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clean up old files

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pineappleEA 2023-05-11 11:15:30 +02:00
parent 7897a2b9e5
commit cb385e8241
75 changed files with 0 additions and 11001 deletions
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59
src/common/cache_management.cpp
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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <cstdint>
#include <cstring>
#include "common/cache_management.h"
namespace Common {
#if defined(ARCHITECTURE_x86_64)
// Most cache operations are no-ops on x86
void DataCacheLineCleanByVAToPoU(void* start, size_t size) {}
void DataCacheLineCleanAndInvalidateByVAToPoC(void* start, size_t size) {}
void DataCacheLineCleanByVAToPoC(void* start, size_t size) {}
void DataCacheZeroByVA(void* start, size_t size) {
std::memset(start, 0, size);
}
#elif defined(ARCHITECTURE_arm64)
// BS/DminLine is log2(cache size in words), we want size in bytes
#define EXTRACT_DMINLINE(ctr_el0) (1 << ((((ctr_el0) >> 16) & 0xf) + 2))
#define EXTRACT_BS(dczid_el0) (1 << (((dczid_el0)&0xf) + 2))
#define DEFINE_DC_OP(op_name, function_name) \
void function_name(void* start, size_t size) { \
size_t ctr_el0; \
asm volatile("mrs %[ctr_el0], ctr_el0\n\t" : [ctr_el0] "=r"(ctr_el0)); \
size_t cacheline_size = EXTRACT_DMINLINE(ctr_el0); \
uintptr_t va_start = reinterpret_cast<uintptr_t>(start); \
uintptr_t va_end = va_start + size; \
for (uintptr_t va = va_start; va < va_end; va += cacheline_size) { \
asm volatile("dc " #op_name ", %[va]\n\t" : : [va] "r"(va) : "memory"); \
} \
}
#define DEFINE_DC_OP_DCZID(op_name, function_name) \
void function_name(void* start, size_t size) { \
size_t dczid_el0; \
asm volatile("mrs %[dczid_el0], dczid_el0\n\t" : [dczid_el0] "=r"(dczid_el0)); \
size_t cacheline_size = EXTRACT_BS(dczid_el0); \
uintptr_t va_start = reinterpret_cast<uintptr_t>(start); \
uintptr_t va_end = va_start + size; \
for (uintptr_t va = va_start; va < va_end; va += cacheline_size) { \
asm volatile("dc " #op_name ", %[va]\n\t" : : [va] "r"(va) : "memory"); \
} \
}
DEFINE_DC_OP(cvau, DataCacheLineCleanByVAToPoU);
DEFINE_DC_OP(civac, DataCacheLineCleanAndInvalidateByVAToPoC);
DEFINE_DC_OP(cvac, DataCacheLineCleanByVAToPoC);
DEFINE_DC_OP_DCZID(zva, DataCacheZeroByVA);
#endif
} // namespace Common

27
src/common/cache_management.h
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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <cstddef>
namespace Common {
// Data cache instructions enabled at EL0 by SCTLR_EL1.UCI.
// VA = virtual address
// PoC = point of coherency
// PoU = point of unification
// dc cvau
void DataCacheLineCleanByVAToPoU(void* start, size_t size);
// dc civac
void DataCacheLineCleanAndInvalidateByVAToPoC(void* start, size_t size);
// dc cvac
void DataCacheLineCleanByVAToPoC(void* start, size_t size);
// dc zva
void DataCacheZeroByVA(void* start, size_t size);
} // namespace Common

12
src/common/common_headers.h
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// SPDX-FileCopyrightText: 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <algorithm>
#include <chrono>
#include <memory>
#include <fmt/format.h>
#include "common/assert.h"

58
src/core/core_timing_util.h
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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <chrono>
#include "common/common_types.h"
#include "core/hardware_properties.h"
namespace Core::Timing {
namespace detail {
constexpr u64 CNTFREQ_ADJUSTED = Hardware::CNTFREQ / 1000;
constexpr u64 BASE_CLOCK_RATE_ADJUSTED = Hardware::BASE_CLOCK_RATE / 1000;
} // namespace detail
[[nodiscard]] constexpr s64 msToCycles(std::chrono::milliseconds ms) {
return ms.count() * detail::BASE_CLOCK_RATE_ADJUSTED;
}
[[nodiscard]] constexpr s64 usToCycles(std::chrono::microseconds us) {
return us.count() * detail::BASE_CLOCK_RATE_ADJUSTED / 1000;
}
[[nodiscard]] constexpr s64 nsToCycles(std::chrono::nanoseconds ns) {
return ns.count() * detail::BASE_CLOCK_RATE_ADJUSTED / 1000000;
}
[[nodiscard]] constexpr u64 msToClockCycles(std::chrono::milliseconds ms) {
return static_cast<u64>(ms.count()) * detail::CNTFREQ_ADJUSTED;
}
[[nodiscard]] constexpr u64 usToClockCycles(std::chrono::microseconds us) {
return us.count() * detail::CNTFREQ_ADJUSTED / 1000;
}
[[nodiscard]] constexpr u64 nsToClockCycles(std::chrono::nanoseconds ns) {
return ns.count() * detail::CNTFREQ_ADJUSTED / 1000000;
}
[[nodiscard]] constexpr u64 CpuCyclesToClockCycles(u64 ticks) {
return ticks * detail::CNTFREQ_ADJUSTED / detail::BASE_CLOCK_RATE_ADJUSTED;
}
[[nodiscard]] constexpr std::chrono::milliseconds CyclesToMs(s64 cycles) {
return std::chrono::milliseconds(cycles / detail::BASE_CLOCK_RATE_ADJUSTED);
}
[[nodiscard]] constexpr std::chrono::nanoseconds CyclesToNs(s64 cycles) {
return std::chrono::nanoseconds(cycles * 1000000 / detail::BASE_CLOCK_RATE_ADJUSTED);
}
[[nodiscard]] constexpr std::chrono::microseconds CyclesToUs(s64 cycles) {
return std::chrono::microseconds(cycles * 1000 / detail::BASE_CLOCK_RATE_ADJUSTED);
}
} // namespace Core::Timing

505
src/core/hle/ipc_helpers.h
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// SPDX-FileCopyrightText: 2016 Citra Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <cstring>
#include <memory>
#include <type_traits>
#include <utility>
#include "common/assert.h"
#include "common/common_types.h"
#include "core/hle/ipc.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/k_process.h"
#include "core/hle/kernel/k_resource_limit.h"
#include "core/hle/kernel/k_session.h"
#include "core/hle/result.h"
#include "core/hle/service/server_manager.h"
namespace IPC {
constexpr Result ERR_REMOTE_PROCESS_DEAD{ErrorModule::HIPC, 301};
class RequestHelperBase {
protected:
Kernel::HLERequestContext* context = nullptr;
u32* cmdbuf;
u32 index = 0;
public:
explicit RequestHelperBase(u32* command_buffer) : cmdbuf(command_buffer) {}
explicit RequestHelperBase(Kernel::HLERequestContext& ctx)
: context(&ctx), cmdbuf(ctx.CommandBuffer()) {}
void Skip(u32 size_in_words, bool set_to_null) {
if (set_to_null) {
memset(cmdbuf + index, 0, size_in_words * sizeof(u32));
}
index += size_in_words;
}
/**
* Aligns the current position forward to a 16-byte boundary, padding with zeros.
*/
void AlignWithPadding() {
if (index & 3) {
Skip(static_cast<u32>(4 - (index & 3)), true);
}
}
u32 GetCurrentOffset() const {
return index;
}
void SetCurrentOffset(u32 offset) {
index = offset;
}
};
class ResponseBuilder : public RequestHelperBase {
public:
/// Flags used for customizing the behavior of ResponseBuilder
enum class Flags : u32 {
None = 0,
/// Uses move handles to move objects in the response, even when in a domain. This is
/// required when PushMoveObjects is used.
AlwaysMoveHandles = 1,
};
explicit ResponseBuilder(Kernel::HLERequestContext& ctx, u32 normal_params_size_,
u32 num_handles_to_copy_ = 0, u32 num_objects_to_move_ = 0,
Flags flags = Flags::None)
: RequestHelperBase(ctx), normal_params_size(normal_params_size_),
num_handles_to_copy(num_handles_to_copy_),
num_objects_to_move(num_objects_to_move_), kernel{ctx.kernel} {
memset(cmdbuf, 0, sizeof(u32) * IPC::COMMAND_BUFFER_LENGTH);
IPC::CommandHeader header{};
// The entire size of the raw data section in u32 units, including the 16 bytes of mandatory
// padding.
u32 raw_data_size = ctx.write_size =
ctx.IsTipc() ? normal_params_size - 1 : normal_params_size;
u32 num_handles_to_move{};
u32 num_domain_objects{};
const bool always_move_handles{
(static_cast<u32>(flags) & static_cast<u32>(Flags::AlwaysMoveHandles)) != 0};
if (!ctx.GetManager()->IsDomain() || always_move_handles) {
num_handles_to_move = num_objects_to_move;
} else {
num_domain_objects = num_objects_to_move;
}
if (ctx.GetManager()->IsDomain()) {
raw_data_size +=
static_cast<u32>(sizeof(DomainMessageHeader) / sizeof(u32) + num_domain_objects);
ctx.write_size += num_domain_objects;
}
if (ctx.IsTipc()) {
header.type.Assign(ctx.GetCommandType());
} else {
raw_data_size += static_cast<u32>(sizeof(IPC::DataPayloadHeader) / sizeof(u32) + 4 +
normal_params_size);
}
header.data_size.Assign(raw_data_size);
if (num_handles_to_copy || num_handles_to_move) {
header.enable_handle_descriptor.Assign(1);
}
PushRaw(header);
if (header.enable_handle_descriptor) {
IPC::HandleDescriptorHeader handle_descriptor_header{};
handle_descriptor_header.num_handles_to_copy.Assign(num_handles_to_copy_);
handle_descriptor_header.num_handles_to_move.Assign(num_handles_to_move);
PushRaw(handle_descriptor_header);
ctx.handles_offset = index;
Skip(num_handles_to_copy + num_handles_to_move, true);
}
if (!ctx.IsTipc()) {
AlignWithPadding();
if (ctx.GetManager()->IsDomain() && ctx.HasDomainMessageHeader()) {
IPC::DomainMessageHeader domain_header{};
domain_header.num_objects = num_domain_objects;
PushRaw(domain_header);
}
IPC::DataPayloadHeader data_payload_header{};
data_payload_header.magic = Common::MakeMagic('S', 'F', 'C', 'O');
PushRaw(data_payload_header);
}
data_payload_index = index;
ctx.data_payload_offset = index;
ctx.write_size += index;
ctx.domain_offset = static_cast<u32>(index + raw_data_size / sizeof(u32));
}
template <class T>
void PushIpcInterface(std::shared_ptr<T> iface) {
auto manager{context->GetManager()};
if (manager->IsDomain()) {
context->AddDomainObject(std::move(iface));
} else {
kernel.ApplicationProcess()->GetResourceLimit()->Reserve(
Kernel::LimitableResource::SessionCountMax, 1);
auto* session = Kernel::KSession::Create(kernel);
session->Initialize(nullptr, iface->GetServiceName());
auto next_manager = std::make_shared<Kernel::SessionRequestManager>(
kernel, manager->GetServerManager());
next_manager->SetSessionHandler(iface);
manager->GetServerManager().RegisterSession(&session->GetServerSession(), next_manager);
context->AddMoveObject(&session->GetClientSession());
}
}
template <class T, class... Args>
void PushIpcInterface(Args&&... args) {
PushIpcInterface<T>(std::make_shared<T>(std::forward<Args>(args)...));
}
void PushImpl(s8 value);
void PushImpl(s16 value);
void PushImpl(s32 value);
void PushImpl(s64 value);
void PushImpl(u8 value);
void PushImpl(u16 value);
void PushImpl(u32 value);
void PushImpl(u64 value);
void PushImpl(float value);
void PushImpl(double value);
void PushImpl(bool value);
void PushImpl(Result value);
template <typename T>
void Push(T value) {
return PushImpl(value);
}
template <typename First, typename... Other>
void Push(const First& first_value, const Other&... other_values);
/**
* Helper function for pushing strongly-typed enumeration values.
*
* @tparam Enum The enumeration type to be pushed
*
* @param value The value to push.
*
* @note The underlying size of the enumeration type is the size of the
* data that gets pushed. e.g. "enum class SomeEnum : u16" will
* push a u16-sized amount of data.
*/
template <typename Enum>
void PushEnum(Enum value) {
static_assert(std::is_enum_v<Enum>, "T must be an enum type within a PushEnum call.");
static_assert(!std::is_convertible_v<Enum, int>,
"enum type in PushEnum must be a strongly typed enum.");
Push(static_cast<std::underlying_type_t<Enum>>(value));
}
/**
* @brief Copies the content of the given trivially copyable class to the buffer as a normal
* param
* @note: The input class must be correctly packed/padded to fit hardware layout.
*/
template <typename T>
void PushRaw(const T& value);
template <typename... O>
void PushMoveObjects(O*... pointers);
template <typename... O>
void PushMoveObjects(O&... pointers);
template <typename... O>
void PushCopyObjects(O*... pointers);
template <typename... O>
void PushCopyObjects(O&... pointers);
private:
u32 normal_params_size{};
u32 num_handles_to_copy{};
u32 num_objects_to_move{}; ///< Domain objects or move handles, context dependent
u32 data_payload_index{};
Kernel::KernelCore& kernel;
};
/// Push ///
inline void ResponseBuilder::PushImpl(s32 value) {
cmdbuf[index++] = value;
}
inline void ResponseBuilder::PushImpl(u32 value) {
cmdbuf[index++] = value;
}
template <typename T>
void ResponseBuilder::PushRaw(const T& value) {
static_assert(std::is_trivially_copyable_v<T>,
"It's undefined behavior to use memcpy with non-trivially copyable objects");
std::memcpy(cmdbuf + index, &value, sizeof(T));
index += (sizeof(T) + 3) / 4; // round up to word length
}
inline void ResponseBuilder::PushImpl(Result value) {
// Result codes are actually 64-bit in the IPC buffer, but only the high part is discarded.
Push(value.raw);
Push<u32>(0);
}
inline void ResponseBuilder::PushImpl(s8 value) {
PushRaw(value);
}
inline void ResponseBuilder::PushImpl(s16 value) {
PushRaw(value);
}
inline void ResponseBuilder::PushImpl(s64 value) {
PushImpl(static_cast<u32>(value));
PushImpl(static_cast<u32>(value >> 32));
}
inline void ResponseBuilder::PushImpl(u8 value) {
PushRaw(value);
}
inline void ResponseBuilder::PushImpl(u16 value) {
PushRaw(value);
}
inline void ResponseBuilder::PushImpl(u64 value) {
PushImpl(static_cast<u32>(value));
PushImpl(static_cast<u32>(value >> 32));
}
inline void ResponseBuilder::PushImpl(float value) {
u32 integral;
std::memcpy(&integral, &value, sizeof(u32));
PushImpl(integral);
}
inline void ResponseBuilder::PushImpl(double value) {
u64 integral;
std::memcpy(&integral, &value, sizeof(u64));
PushImpl(integral);
}
inline void ResponseBuilder::PushImpl(bool value) {
PushImpl(static_cast<u8>(value));
}
template <typename First, typename... Other>
void ResponseBuilder::Push(const First& first_value, const Other&... other_values) {
Push(first_value);
Push(other_values...);
}
template <typename... O>
inline void ResponseBuilder::PushCopyObjects(O*... pointers) {
auto objects = {pointers...};
for (auto& object : objects) {
context->AddCopyObject(object);
}
}
template <typename... O>
inline void ResponseBuilder::PushCopyObjects(O&... pointers) {
auto objects = {&pointers...};
for (auto& object : objects) {
context->AddCopyObject(object);
}
}
template <typename... O>
inline void ResponseBuilder::PushMoveObjects(O*... pointers) {
auto objects = {pointers...};
for (auto& object : objects) {
context->AddMoveObject(object);
}
}
template <typename... O>
inline void ResponseBuilder::PushMoveObjects(O&... pointers) {
auto objects = {&pointers...};
for (auto& object : objects) {
context->AddMoveObject(object);
}
}
class RequestParser : public RequestHelperBase {
public:
explicit RequestParser(u32* command_buffer) : RequestHelperBase(command_buffer) {}
explicit RequestParser(Kernel::HLERequestContext& ctx) : RequestHelperBase(ctx) {
// TIPC does not have data payload offset
if (!ctx.IsTipc()) {
ASSERT_MSG(ctx.GetDataPayloadOffset(), "context is incomplete");
Skip(ctx.GetDataPayloadOffset(), false);
}
// Skip the u64 command id, it's already stored in the context
static constexpr u32 CommandIdSize = 2;
Skip(CommandIdSize, false);
}
template <typename T>
T Pop();
template <typename T>
void Pop(T& value);
template <typename First, typename... Other>
void Pop(First& first_value, Other&... other_values);
template <typename T>
T PopEnum() {
static_assert(std::is_enum_v<T>, "T must be an enum type within a PopEnum call.");
static_assert(!std::is_convertible_v<T, int>,
"enum type in PopEnum must be a strongly typed enum.");
return static_cast<T>(Pop<std::underlying_type_t<T>>());
}
/**
* @brief Reads the next normal parameters as a struct, by copying it
* @note: The output class must be correctly packed/padded to fit hardware layout.
*/
template <typename T>
void PopRaw(T& value);
/**
* @brief Reads the next normal parameters as a struct, by copying it into a new value
* @note: The output class must be correctly packed/padded to fit hardware layout.
*/
template <typename T>
T PopRaw();
template <class T>
std::weak_ptr<T> PopIpcInterface() {
ASSERT(context->GetManager()->IsDomain());
ASSERT(context->GetDomainMessageHeader().input_object_count > 0);
return context->GetDomainHandler<T>(Pop<u32>() - 1);
}
};
/// Pop ///
template <>
inline u32 RequestParser::Pop() {
return cmdbuf[index++];
}
template <>
inline s32 RequestParser::Pop() {
return static_cast<s32>(Pop<u32>());
}
// Ignore the -Wclass-memaccess warning on memcpy for non-trivially default constructible objects.
#if defined(__GNUC__) && !defined(__clang__) && !defined(__INTEL_COMPILER)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wclass-memaccess"
#endif
template <typename T>
void RequestParser::PopRaw(T& value) {
static_assert(std::is_trivially_copyable_v<T>,
"It's undefined behavior to use memcpy with non-trivially copyable objects");
std::memcpy(&value, cmdbuf + index, sizeof(T));
index += (sizeof(T) + 3) / 4; // round up to word length
}
#if defined(__GNUC__) && !defined(__clang__) && !defined(__INTEL_COMPILER)
#pragma GCC diagnostic pop
#endif
template <typename T>
T RequestParser::PopRaw() {
T value;
PopRaw(value);
return value;
}
template <>
inline u8 RequestParser::Pop() {
return PopRaw<u8>();
}
template <>
inline u16 RequestParser::Pop() {
return PopRaw<u16>();
}
template <>
inline u64 RequestParser::Pop() {
const u64 lsw = Pop<u32>();
const u64 msw = Pop<u32>();
return msw << 32 | lsw;
}
template <>
inline s8 RequestParser::Pop() {
return static_cast<s8>(Pop<u8>());
}
template <>
inline s16 RequestParser::Pop() {
return static_cast<s16>(Pop<u16>());
}
template <>
inline s64 RequestParser::Pop() {
return static_cast<s64>(Pop<u64>());
}
template <>
inline float RequestParser::Pop() {
const u32 value = Pop<u32>();
float real;
std::memcpy(&real, &value, sizeof(real));
return real;
}
template <>
inline double RequestParser::Pop() {
const u64 value = Pop<u64>();
double real;
std::memcpy(&real, &value, sizeof(real));
return real;
}
template <>
inline bool RequestParser::Pop() {
return Pop<u8>() != 0;
}
template <>
inline Result RequestParser::Pop() {
return Result{Pop<u32>()};
}
template <typename T>
void RequestParser::Pop(T& value) {
value = Pop<T>();
}
template <typename First, typename... Other>
void RequestParser::Pop(First& first_value, Other&... other_values) {
first_value = Pop<First>();
Pop(other_values...);
}
} // namespace IPC

531
src/core/hle/kernel/hle_ipc.cpp
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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <algorithm>
#include <array>
#include <sstream>
#include <boost/range/algorithm_ext/erase.hpp>
#include "common/assert.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/logging/log.h"
#include "common/scratch_buffer.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/k_auto_object.h"
#include "core/hle/kernel/k_handle_table.h"
#include "core/hle/kernel/k_process.h"
#include "core/hle/kernel/k_server_port.h"
#include "core/hle/kernel/k_server_session.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/kernel.h"
#include "core/memory.h"
namespace Kernel {
SessionRequestHandler::SessionRequestHandler(KernelCore& kernel_, const char* service_name_)
: kernel{kernel_} {}
SessionRequestHandler::~SessionRequestHandler() = default;
SessionRequestManager::SessionRequestManager(KernelCore& kernel_,
Service::ServerManager& server_manager_)
: kernel{kernel_}, server_manager{server_manager_} {}
SessionRequestManager::~SessionRequestManager() = default;
bool SessionRequestManager::HasSessionRequestHandler(const HLERequestContext& context) const {
if (IsDomain() && context.HasDomainMessageHeader()) {
const auto& message_header = context.GetDomainMessageHeader();
const auto object_id = message_header.object_id;
if (object_id > DomainHandlerCount()) {
LOG_CRITICAL(IPC, "object_id {} is too big!", object_id);
return false;
}
return !DomainHandler(object_id - 1).expired();
} else {
return session_handler != nullptr;
}
}
Result SessionRequestManager::CompleteSyncRequest(KServerSession* server_session,
HLERequestContext& context) {
Result result = ResultSuccess;
// If the session has been converted to a domain, handle the domain request
if (this->HasSessionRequestHandler(context)) {
if (IsDomain() && context.HasDomainMessageHeader()) {
result = HandleDomainSyncRequest(server_session, context);
// If there is no domain header, the regular session handler is used
} else if (this->HasSessionHandler()) {
// If this manager has an associated HLE handler, forward the request to it.
result = this->SessionHandler().HandleSyncRequest(*server_session, context);
}
} else {
ASSERT_MSG(false, "Session handler is invalid, stubbing response!");
IPC::ResponseBuilder rb(context, 2);
rb.Push(ResultSuccess);
}
if (convert_to_domain) {
ASSERT_MSG(!IsDomain(), "ServerSession is already a domain instance.");
this->ConvertToDomain();
convert_to_domain = false;
}
return result;
}
Result SessionRequestManager::HandleDomainSyncRequest(KServerSession* server_session,
HLERequestContext& context) {
if (!context.HasDomainMessageHeader()) {
return ResultSuccess;
}
// Set domain handlers in HLE context, used for domain objects (IPC interfaces) as inputs
ASSERT(context.GetManager().get() == this);
// If there is a DomainMessageHeader, then this is CommandType "Request"
const auto& domain_message_header = context.GetDomainMessageHeader();
const u32 object_id{domain_message_header.object_id};
switch (domain_message_header.command) {
case IPC::DomainMessageHeader::CommandType::SendMessage:
if (object_id > this->DomainHandlerCount()) {
LOG_CRITICAL(IPC,
"object_id {} is too big! This probably means a recent service call "
"needed to return a new interface!",
object_id);
ASSERT(false);
return ResultSuccess; // Ignore error if asserts are off
}
if (auto strong_ptr = this->DomainHandler(object_id - 1).lock()) {
return strong_ptr->HandleSyncRequest(*server_session, context);
} else {
ASSERT(false);
return ResultSuccess;
}
case IPC::DomainMessageHeader::CommandType::CloseVirtualHandle: {
LOG_DEBUG(IPC, "CloseVirtualHandle, object_id=0x{:08X}", object_id);
this->CloseDomainHandler(object_id - 1);
IPC::ResponseBuilder rb{context, 2};
rb.Push(ResultSuccess);
return ResultSuccess;
}
}
LOG_CRITICAL(IPC, "Unknown domain command={}", domain_message_header.command.Value());
ASSERT(false);
return ResultSuccess;
}
HLERequestContext::HLERequestContext(KernelCore& kernel_, Core::Memory::Memory& memory_,
KServerSession* server_session_, KThread* thread_)
: server_session(server_session_), thread(thread_), kernel{kernel_}, memory{memory_} {
cmd_buf[0] = 0;
}
HLERequestContext::~HLERequestContext() = default;
void HLERequestContext::ParseCommandBuffer(const KHandleTable& handle_table, u32_le* src_cmdbuf,
bool incoming) {
IPC::RequestParser rp(src_cmdbuf);
command_header = rp.PopRaw<IPC::CommandHeader>();
if (command_header->IsCloseCommand()) {
// Close does not populate the rest of the IPC header
return;
}
// If handle descriptor is present, add size of it
if (command_header->enable_handle_descriptor) {
handle_descriptor_header = rp.PopRaw<IPC::HandleDescriptorHeader>();
if (handle_descriptor_header->send_current_pid) {
pid = rp.Pop<u64>();
}
if (incoming) {
// Populate the object lists with the data in the IPC request.
incoming_copy_handles.reserve(handle_descriptor_header->num_handles_to_copy);
incoming_move_handles.reserve(handle_descriptor_header->num_handles_to_move);
for (u32 handle = 0; handle < handle_descriptor_header->num_handles_to_copy; ++handle) {
incoming_copy_handles.push_back(rp.Pop<Handle>());
}
for (u32 handle = 0; handle < handle_descriptor_header->num_handles_to_move; ++handle) {
incoming_move_handles.push_back(rp.Pop<Handle>());
}
} else {
// For responses we just ignore the handles, they're empty and will be populated when
// translating the response.
rp.Skip(handle_descriptor_header->num_handles_to_copy, false);
rp.Skip(handle_descriptor_header->num_handles_to_move, false);
}
}
buffer_x_desciptors.reserve(command_header->num_buf_x_descriptors);
buffer_a_desciptors.reserve(command_header->num_buf_a_descriptors);
buffer_b_desciptors.reserve(command_header->num_buf_b_descriptors);
buffer_w_desciptors.reserve(command_header->num_buf_w_descriptors);
for (u32 i = 0; i < command_header->num_buf_x_descriptors; ++i) {
buffer_x_desciptors.push_back(rp.PopRaw<IPC::BufferDescriptorX>());
}
for (u32 i = 0; i < command_header->num_buf_a_descriptors; ++i) {
buffer_a_desciptors.push_back(rp.PopRaw<IPC::BufferDescriptorABW>());
}
for (u32 i = 0; i < command_header->num_buf_b_descriptors; ++i) {
buffer_b_desciptors.push_back(rp.PopRaw<IPC::BufferDescriptorABW>());
}
for (u32 i = 0; i < command_header->num_buf_w_descriptors; ++i) {
buffer_w_desciptors.push_back(rp.PopRaw<IPC::BufferDescriptorABW>());
}
const auto buffer_c_offset = rp.GetCurrentOffset() + command_header->data_size;
if (!command_header->IsTipc()) {
// Padding to align to 16 bytes
rp.AlignWithPadding();
if (GetManager()->IsDomain() &&
((command_header->type == IPC::CommandType::Request ||
command_header->type == IPC::CommandType::RequestWithContext) ||
!incoming)) {
// If this is an incoming message, only CommandType "Request" has a domain header
// All outgoing domain messages have the domain header, if only incoming has it
if (incoming || domain_message_header) {
domain_message_header = rp.PopRaw<IPC::DomainMessageHeader>();
} else {
if (GetManager()->IsDomain()) {
LOG_WARNING(IPC, "Domain request has no DomainMessageHeader!");
}
}
}
data_payload_header = rp.PopRaw<IPC::DataPayloadHeader>();
data_payload_offset = rp.GetCurrentOffset();
if (domain_message_header &&
domain_message_header->command ==
IPC::DomainMessageHeader::CommandType::CloseVirtualHandle) {
// CloseVirtualHandle command does not have SFC* or any data
return;
}
if (incoming) {
ASSERT(data_payload_header->magic == Common::MakeMagic('S', 'F', 'C', 'I'));
} else {
ASSERT(data_payload_header->magic == Common::MakeMagic('S', 'F', 'C', 'O'));
}
}
rp.SetCurrentOffset(buffer_c_offset);
// For Inline buffers, the response data is written directly to buffer_c_offset
// and in this case we don't have any BufferDescriptorC on the request.
if (command_header->buf_c_descriptor_flags >
IPC::CommandHeader::BufferDescriptorCFlag::InlineDescriptor) {
if (command_header->buf_c_descriptor_flags ==
IPC::CommandHeader::BufferDescriptorCFlag::OneDescriptor) {
buffer_c_desciptors.push_back(rp.PopRaw<IPC::BufferDescriptorC>());
} else {
u32 num_buf_c_descriptors =
static_cast<u32>(command_header->buf_c_descriptor_flags.Value()) - 2;
// This is used to detect possible underflows, in case something is broken
// with the two ifs above and the flags value is == 0 || == 1.
ASSERT(num_buf_c_descriptors < 14);
for (u32 i = 0; i < num_buf_c_descriptors; ++i) {
buffer_c_desciptors.push_back(rp.PopRaw<IPC::BufferDescriptorC>());
}
}
}
rp.SetCurrentOffset(data_payload_offset);
command = rp.Pop<u32_le>();
rp.Skip(1, false); // The command is actually an u64, but we don't use the high part.
}
Result HLERequestContext::PopulateFromIncomingCommandBuffer(const KHandleTable& handle_table,
u32_le* src_cmdbuf) {
ParseCommandBuffer(handle_table, src_cmdbuf, true);
if (command_header->IsCloseCommand()) {
// Close does not populate the rest of the IPC header
return ResultSuccess;
}
std::copy_n(src_cmdbuf, IPC::COMMAND_BUFFER_LENGTH, cmd_buf.begin());
return ResultSuccess;
}
Result HLERequestContext::WriteToOutgoingCommandBuffer(KThread& requesting_thread) {
auto current_offset = handles_offset;
auto& owner_process = *requesting_thread.GetOwnerProcess();
auto& handle_table = owner_process.GetHandleTable();
for (auto& object : outgoing_copy_objects) {
Handle handle{};
if (object) {
R_TRY(handle_table.Add(&handle, object));
}
cmd_buf[current_offset++] = handle;
}
for (auto& object : outgoing_move_objects) {
Handle handle{};
if (object) {
R_TRY(handle_table.Add(&handle, object));
// Close our reference to the object, as it is being moved to the caller.
object->Close();
}
cmd_buf[current_offset++] = handle;
}
// Write the domain objects to the command buffer, these go after the raw untranslated data.
// TODO(Subv): This completely ignores C buffers.
if (GetManager()->IsDomain()) {
current_offset = domain_offset - static_cast<u32>(outgoing_domain_objects.size());
for (auto& object : outgoing_domain_objects) {
GetManager()->AppendDomainHandler(std::move(object));
cmd_buf[current_offset++] = static_cast<u32_le>(GetManager()->DomainHandlerCount());
}
}
// Copy the translated command buffer back into the thread's command buffer area.
memory.WriteBlock(owner_process, requesting_thread.GetTLSAddress(), cmd_buf.data(),
write_size * sizeof(u32));
return ResultSuccess;
}
std::vector<u8> HLERequestContext::ReadBufferCopy(std::size_t buffer_index) const {
const bool is_buffer_a{BufferDescriptorA().size() > buffer_index &&
BufferDescriptorA()[buffer_index].Size()};
if (is_buffer_a) {
ASSERT_OR_EXECUTE_MSG(
BufferDescriptorA().size() > buffer_index, { return {}; },
"BufferDescriptorA invalid buffer_index {}", buffer_index);
std::vector<u8> buffer(BufferDescriptorA()[buffer_index].Size());
memory.ReadBlock(BufferDescriptorA()[buffer_index].Address(), buffer.data(), buffer.size());
return buffer;
} else {
ASSERT_OR_EXECUTE_MSG(
BufferDescriptorX().size() > buffer_index, { return {}; },
"BufferDescriptorX invalid buffer_index {}", buffer_index);
std::vector<u8> buffer(BufferDescriptorX()[buffer_index].Size());
memory.ReadBlock(BufferDescriptorX()[buffer_index].Address(), buffer.data(), buffer.size());
return buffer;
}
}
std::span<const u8> HLERequestContext::ReadBuffer(std::size_t buffer_index) const {
static thread_local std::array<Common::ScratchBuffer<u8>, 2> read_buffer_a;
static thread_local std::array<Common::ScratchBuffer<u8>, 2> read_buffer_x;
const bool is_buffer_a{BufferDescriptorA().size() > buffer_index &&
BufferDescriptorA()[buffer_index].Size()};
if (is_buffer_a) {
ASSERT_OR_EXECUTE_MSG(
BufferDescriptorA().size() > buffer_index, { return {}; },
"BufferDescriptorA invalid buffer_index {}", buffer_index);
auto& read_buffer = read_buffer_a[buffer_index];
read_buffer.resize_destructive(BufferDescriptorA()[buffer_index].Size());
memory.ReadBlock(BufferDescriptorA()[buffer_index].Address(), read_buffer.data(),
read_buffer.size());
return read_buffer;
} else {
ASSERT_OR_EXECUTE_MSG(
BufferDescriptorX().size() > buffer_index, { return {}; },
"BufferDescriptorX invalid buffer_index {}", buffer_index);
auto& read_buffer = read_buffer_x[buffer_index];
read_buffer.resize_destructive(BufferDescriptorX()[buffer_index].Size());
memory.ReadBlock(BufferDescriptorX()[buffer_index].Address(), read_buffer.data(),
read_buffer.size());
return read_buffer;
}
}
std::size_t HLERequestContext::WriteBuffer(const void* buffer, std::size_t size,
std::size_t buffer_index) const {
if (size == 0) {
LOG_WARNING(Core, "skip empty buffer write");
return 0;
}
const bool is_buffer_b{BufferDescriptorB().size() > buffer_index &&
BufferDescriptorB()[buffer_index].Size()};
const std::size_t buffer_size{GetWriteBufferSize(buffer_index)};
if (size > buffer_size) {
LOG_CRITICAL(Core, "size ({:016X}) is greater than buffer_size ({:016X})", size,
buffer_size);
size = buffer_size; // TODO(bunnei): This needs to be HW tested
}
if (is_buffer_b) {
ASSERT_OR_EXECUTE_MSG(
BufferDescriptorB().size() > buffer_index &&
BufferDescriptorB()[buffer_index].Size() >= size,
{ return 0; }, "BufferDescriptorB is invalid, index={}, size={}", buffer_index, size);
WriteBufferB(buffer, size, buffer_index);
} else {
ASSERT_OR_EXECUTE_MSG(
BufferDescriptorC().size() > buffer_index &&
BufferDescriptorC()[buffer_index].Size() >= size,
{ return 0; }, "BufferDescriptorC is invalid, index={}, size={}", buffer_index, size);
WriteBufferC(buffer, size, buffer_index);
}
return size;
}
std::size_t HLERequestContext::WriteBufferB(const void* buffer, std::size_t size,
std::size_t buffer_index) const {
if (buffer_index >= BufferDescriptorB().size() || size == 0) {
return 0;
}
const auto buffer_size{BufferDescriptorB()[buffer_index].Size()};
if (size > buffer_size) {
LOG_CRITICAL(Core, "size ({:016X}) is greater than buffer_size ({:016X})", size,
buffer_size);
size = buffer_size; // TODO(bunnei): This needs to be HW tested
}
memory.WriteBlock(BufferDescriptorB()[buffer_index].Address(), buffer, size);
return size;
}
std::size_t HLERequestContext::WriteBufferC(const void* buffer, std::size_t size,
std::size_t buffer_index) const {
if (buffer_index >= BufferDescriptorC().size() || size == 0) {
return 0;
}
const auto buffer_size{BufferDescriptorC()[buffer_index].Size()};
if (size > buffer_size) {
LOG_CRITICAL(Core, "size ({:016X}) is greater than buffer_size ({:016X})", size,
buffer_size);
size = buffer_size; // TODO(bunnei): This needs to be HW tested
}
memory.WriteBlock(BufferDescriptorC()[buffer_index].Address(), buffer, size);
return size;
}
std::size_t HLERequestContext::GetReadBufferSize(std::size_t buffer_index) const {
const bool is_buffer_a{BufferDescriptorA().size() > buffer_index &&
BufferDescriptorA()[buffer_index].Size()};
if (is_buffer_a) {
ASSERT_OR_EXECUTE_MSG(
BufferDescriptorA().size() > buffer_index, { return 0; },
"BufferDescriptorA invalid buffer_index {}", buffer_index);
return BufferDescriptorA()[buffer_index].Size();
} else {
ASSERT_OR_EXECUTE_MSG(
BufferDescriptorX().size() > buffer_index, { return 0; },
"BufferDescriptorX invalid buffer_index {}", buffer_index);
return BufferDescriptorX()[buffer_index].Size();
}
}
std::size_t HLERequestContext::GetWriteBufferSize(std::size_t buffer_index) const {
const bool is_buffer_b{BufferDescriptorB().size() > buffer_index &&
BufferDescriptorB()[buffer_index].Size()};
if (is_buffer_b) {
ASSERT_OR_EXECUTE_MSG(
BufferDescriptorB().size() > buffer_index, { return 0; },
"BufferDescriptorB invalid buffer_index {}", buffer_index);
return BufferDescriptorB()[buffer_index].Size();
} else {
ASSERT_OR_EXECUTE_MSG(
BufferDescriptorC().size() > buffer_index, { return 0; },
"BufferDescriptorC invalid buffer_index {}", buffer_index);
return BufferDescriptorC()[buffer_index].Size();
}
return 0;
}
bool HLERequestContext::CanReadBuffer(std::size_t buffer_index) const {
const bool is_buffer_a{BufferDescriptorA().size() > buffer_index &&
BufferDescriptorA()[buffer_index].Size()};
if (is_buffer_a) {
return BufferDescriptorA().size() > buffer_index;
} else {
return BufferDescriptorX().size() > buffer_index;
}
}
bool HLERequestContext::CanWriteBuffer(std::size_t buffer_index) const {
const bool is_buffer_b{BufferDescriptorB().size() > buffer_index &&
BufferDescriptorB()[buffer_index].Size()};
if (is_buffer_b) {
return BufferDescriptorB().size() > buffer_index;
} else {
return BufferDescriptorC().size() > buffer_index;
}
}
std::string HLERequestContext::Description() const {
if (!command_header) {
return "No command header available";
}
std::ostringstream s;
s << "IPC::CommandHeader: Type:" << static_cast<u32>(command_header->type.Value());
s << ", X(Pointer):" << command_header->num_buf_x_descriptors;
if (command_header->num_buf_x_descriptors) {
s << '[';
for (u64 i = 0; i < command_header->num_buf_x_descriptors; ++i) {
s << "0x" << std::hex << BufferDescriptorX()[i].Size();
if (i < command_header->num_buf_x_descriptors - 1)
s << ", ";
}
s << ']';
}
s << ", A(Send):" << command_header->num_buf_a_descriptors;
if (command_header->num_buf_a_descriptors) {
s << '[';
for (u64 i = 0; i < command_header->num_buf_a_descriptors; ++i) {
s << "0x" << std::hex << BufferDescriptorA()[i].Size();
if (i < command_header->num_buf_a_descriptors - 1)
s << ", ";
}
s << ']';
}
s << ", B(Receive):" << command_header->num_buf_b_descriptors;
if (command_header->num_buf_b_descriptors) {
s << '[';
for (u64 i = 0; i < command_header->num_buf_b_descriptors; ++i) {
s << "0x" << std::hex << BufferDescriptorB()[i].Size();
if (i < command_header->num_buf_b_descriptors - 1)
s << ", ";
}
s << ']';
}
s << ", C(ReceiveList):" << BufferDescriptorC().size();
if (!BufferDescriptorC().empty()) {
s << '[';
for (u64 i = 0; i < BufferDescriptorC().size(); ++i) {
s << "0x" << std::hex << BufferDescriptorC()[i].Size();
if (i < BufferDescriptorC().size() - 1)
s << ", ";
}
s << ']';
}
s << ", data_size:" << command_header->data_size.Value();
return s.str();
}
} // namespace Kernel

421
src/core/hle/kernel/hle_ipc.h
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@ -1,421 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <functional>
#include <memory>
#include <optional>
#include <span>
#include <string>
#include <type_traits>
#include <vector>
#include "common/assert.h"
#include "common/common_types.h"
#include "common/concepts.h"
#include "common/swap.h"
#include "core/hle/ipc.h"
#include "core/hle/kernel/svc_common.h"
union Result;
namespace Core::Memory {
class Memory;
}
namespace IPC {
class ResponseBuilder;
}
namespace Service {
class ServiceFrameworkBase;
class ServerManager;
} // namespace Service
namespace Kernel {
class Domain;
class HLERequestContext;
class KAutoObject;
class KernelCore;
class KEvent;
class KHandleTable;
class KServerPort;
class KProcess;
class KServerSession;
class KThread;
class KReadableEvent;
class KSession;
class SessionRequestManager;
/**
* Interface implemented by HLE Session handlers.
* This can be provided to a ServerSession in order to hook into several relevant events
* (such as a new connection or a SyncRequest) so they can be implemented in the emulator.
*/
class SessionRequestHandler : public std::enable_shared_from_this<SessionRequestHandler> {
public:
SessionRequestHandler(KernelCore& kernel_, const char* service_name_);
virtual ~SessionRequestHandler();
/**
* Handles a sync request from the emulated application.
* @param server_session The ServerSession that was triggered for this sync request,
* it should be used to differentiate which client (As in ClientSession) we're answering to.
* TODO(Subv): Use a wrapper structure to hold all the information relevant to
* this request (ServerSession, Originator thread, Translated command buffer, etc).
* @returns Result the result code of the translate operation.
*/
virtual Result HandleSyncRequest(Kernel::KServerSession& session,
Kernel::HLERequestContext& context) = 0;
protected:
KernelCore& kernel;
};
using SessionRequestHandlerWeakPtr = std::weak_ptr<SessionRequestHandler>;
using SessionRequestHandlerPtr = std::shared_ptr<SessionRequestHandler>;
/**
* Manages the underlying HLE requests for a session, and whether (or not) the session should be
* treated as a domain. This is managed separately from server sessions, as this state is shared
* when objects are cloned.
*/
class SessionRequestManager final {
public:
explicit SessionRequestManager(KernelCore& kernel, Service::ServerManager& server_manager);
~SessionRequestManager();
bool IsDomain() const {
return is_domain;
}
void ConvertToDomain() {
domain_handlers = {session_handler};
is_domain = true;
}
void ConvertToDomainOnRequestEnd() {
convert_to_domain = true;
}
std::size_t DomainHandlerCount() const {
return domain_handlers.size();
}
bool HasSessionHandler() const {
return session_handler != nullptr;
}
SessionRequestHandler& SessionHandler() {
return *session_handler;
}
const SessionRequestHandler& SessionHandler() const {
return *session_handler;
}
void CloseDomainHandler(std::size_t index) {
if (index < DomainHandlerCount()) {
domain_handlers[index] = nullptr;
} else {
ASSERT_MSG(false, "Unexpected handler index {}", index);
}
}
SessionRequestHandlerWeakPtr DomainHandler(std::size_t index) const {
ASSERT_MSG(index < DomainHandlerCount(), "Unexpected handler index {}", index);
return domain_handlers.at(index);
}
void AppendDomainHandler(SessionRequestHandlerPtr&& handler) {
domain_handlers.emplace_back(std::move(handler));
}
void SetSessionHandler(SessionRequestHandlerPtr&& handler) {
session_handler = std::move(handler);
}
bool HasSessionRequestHandler(const HLERequestContext& context) const;
Result HandleDomainSyncRequest(KServerSession* server_session, HLERequestContext& context);
Result CompleteSyncRequest(KServerSession* server_session, HLERequestContext& context);
Service::ServerManager& GetServerManager() {
return server_manager;
}
// TODO: remove this when sm: is implemented with the proper IUserInterface
// abstraction, creating a new C++ handler object for each session:
bool GetIsInitializedForSm() const {
return is_initialized_for_sm;
}
void SetIsInitializedForSm() {
is_initialized_for_sm = true;
}
private:
bool convert_to_domain{};
bool is_domain{};
bool is_initialized_for_sm{};
SessionRequestHandlerPtr session_handler;
std::vector<SessionRequestHandlerPtr> domain_handlers;
private:
KernelCore& kernel;
Service::ServerManager& server_manager;
};
/**
* Class containing information about an in-flight IPC request being handled by an HLE service
* implementation. Services should avoid using old global APIs (e.g. Kernel::GetCommandBuffer()) and
* when possible use the APIs in this class to service the request.
*
* HLE handle protocol
* ===================
*
* To avoid needing HLE services to keep a separate handle table, or having to directly modify the
* requester's table, a tweaked protocol is used to receive and send handles in requests. The kernel
* will decode the incoming handles into object pointers and insert a id in the buffer where the
* handle would normally be. The service then calls GetIncomingHandle() with that id to get the
* pointer to the object. Similarly, instead of inserting a handle into the command buffer, the
* service calls AddOutgoingHandle() and stores the returned id where the handle would normally go.
*
* The end result is similar to just giving services their own real handle tables, but since these
* ids are local to a specific context, it avoids requiring services to manage handles for objects
* across multiple calls and ensuring that unneeded handles are cleaned up.
*/
class HLERequestContext {
public:
explicit HLERequestContext(KernelCore& kernel, Core::Memory::Memory& memory,
KServerSession* session, KThread* thread);
~HLERequestContext();
/// Returns a pointer to the IPC command buffer for this request.
[[nodiscard]] u32* CommandBuffer() {
return cmd_buf.data();
}
/**
* Returns the session through which this request was made. This can be used as a map key to
* access per-client data on services.
*/
[[nodiscard]] Kernel::KServerSession* Session() {
return server_session;
}
/// Populates this context with data from the requesting process/thread.
Result PopulateFromIncomingCommandBuffer(const KHandleTable& handle_table, u32_le* src_cmdbuf);
/// Writes data from this context back to the requesting process/thread.
Result WriteToOutgoingCommandBuffer(KThread& requesting_thread);
[[nodiscard]] u32_le GetHipcCommand() const {
return command;
}
[[nodiscard]] u32_le GetTipcCommand() const {
return static_cast<u32_le>(command_header->type.Value()) -
static_cast<u32_le>(IPC::CommandType::TIPC_CommandRegion);
}
[[nodiscard]] u32_le GetCommand() const {
return command_header->IsTipc() ? GetTipcCommand() : GetHipcCommand();
}
[[nodiscard]] bool IsTipc() const {
return command_header->IsTipc();
}
[[nodiscard]] IPC::CommandType GetCommandType() const {
return command_header->type;
}
[[nodiscard]] u64 GetPID() const {
return pid;
}
[[nodiscard]] u32 GetDataPayloadOffset() const {
return data_payload_offset;
}
[[nodiscard]] const std::vector<IPC::BufferDescriptorX>& BufferDescriptorX() const {
return buffer_x_desciptors;
}
[[nodiscard]] const std::vector<IPC::BufferDescriptorABW>& BufferDescriptorA() const {
return buffer_a_desciptors;
}
[[nodiscard]] const std::vector<IPC::BufferDescriptorABW>& BufferDescriptorB() const {
return buffer_b_desciptors;
}
[[nodiscard]] const std::vector<IPC::BufferDescriptorC>& BufferDescriptorC() const {
return buffer_c_desciptors;
}
[[nodiscard]] const IPC::DomainMessageHeader& GetDomainMessageHeader() const {
return domain_message_header.value();
}
[[nodiscard]] bool HasDomainMessageHeader() const {
return domain_message_header.has_value();
}
/// Helper function to get a span of a buffer using the appropriate buffer descriptor
[[nodiscard]] std::span<const u8> ReadBuffer(std::size_t buffer_index = 0) const;
/// Helper function to read a copy of a buffer using the appropriate buffer descriptor
[[nodiscard]] std::vector<u8> ReadBufferCopy(std::size_t buffer_index = 0) const;
/// Helper function to write a buffer using the appropriate buffer descriptor
std::size_t WriteBuffer(const void* buffer, std::size_t size,
std::size_t buffer_index = 0) const;
/// Helper function to write buffer B
std::size_t WriteBufferB(const void* buffer, std::size_t size,
std::size_t buffer_index = 0) const;
/// Helper function to write buffer C
std::size_t WriteBufferC(const void* buffer, std::size_t size,
std::size_t buffer_index = 0) const;
/* Helper function to write a buffer using the appropriate buffer descriptor
*
* @tparam T an arbitrary container that satisfies the
* ContiguousContainer concept in the C++ standard library or a trivially copyable type.
*
* @param data The container/data to write into a buffer.
* @param buffer_index The buffer in particular to write to.
*/
template <typename T, typename = std::enable_if_t<!std::is_pointer_v<T>>>
std::size_t WriteBuffer(const T& data, std::size_t buffer_index = 0) const {
if constexpr (Common::IsContiguousContainer<T>) {
using ContiguousType = typename T::value_type;
static_assert(std::is_trivially_copyable_v<ContiguousType>,
"Container to WriteBuffer must contain trivially copyable objects");
return WriteBuffer(std::data(data), std::size(data) * sizeof(ContiguousType),
buffer_index);
} else {
static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable");
return WriteBuffer(&data, sizeof(T), buffer_index);
}
}
/// Helper function to get the size of the input buffer
[[nodiscard]] std::size_t GetReadBufferSize(std::size_t buffer_index = 0) const;
/// Helper function to get the size of the output buffer
[[nodiscard]] std::size_t GetWriteBufferSize(std::size_t buffer_index = 0) const;
/// Helper function to derive the number of elements able to be contained in the read buffer
template <typename T>
[[nodiscard]] std::size_t GetReadBufferNumElements(std::size_t buffer_index = 0) const {
return GetReadBufferSize(buffer_index) / sizeof(T);
}
/// Helper function to derive the number of elements able to be contained in the write buffer
template <typename T>
[[nodiscard]] std::size_t GetWriteBufferNumElements(std::size_t buffer_index = 0) const {
return GetWriteBufferSize(buffer_index) / sizeof(T);
}
/// Helper function to test whether the input buffer at buffer_index can be read
[[nodiscard]] bool CanReadBuffer(std::size_t buffer_index = 0) const;
/// Helper function to test whether the output buffer at buffer_index can be written
[[nodiscard]] bool CanWriteBuffer(std::size_t buffer_index = 0) const;
[[nodiscard]] Handle GetCopyHandle(std::size_t index) const {
return incoming_copy_handles.at(index);
}
[[nodiscard]] Handle GetMoveHandle(std::size_t index) const {
return incoming_move_handles.at(index);
}
void AddMoveObject(KAutoObject* object) {
outgoing_move_objects.emplace_back(object);
}
void AddCopyObject(KAutoObject* object) {
outgoing_copy_objects.emplace_back(object);
}
void AddDomainObject(SessionRequestHandlerPtr object) {
outgoing_domain_objects.emplace_back(std::move(object));
}
template <typename T>
std::shared_ptr<T> GetDomainHandler(std::size_t index) const {
return std::static_pointer_cast<T>(GetManager()->DomainHandler(index).lock());
}
void SetSessionRequestManager(std::weak_ptr<SessionRequestManager> manager_) {
manager = manager_;
}
[[nodiscard]] std::string Description() const;
[[nodiscard]] KThread& GetThread() {
return *thread;
}
[[nodiscard]] std::shared_ptr<SessionRequestManager> GetManager() const {
return manager.lock();
}
bool GetIsDeferred() const {
return is_deferred;
}
void SetIsDeferred(bool is_deferred_ = true) {
is_deferred = is_deferred_;
}
private:
friend class IPC::ResponseBuilder;
void ParseCommandBuffer(const KHandleTable& handle_table, u32_le* src_cmdbuf, bool incoming);
std::array<u32, IPC::COMMAND_BUFFER_LENGTH> cmd_buf;
Kernel::KServerSession* server_session{};
KThread* thread;
std::vector<Handle> incoming_move_handles;
std::vector<Handle> incoming_copy_handles;
std::vector<KAutoObject*> outgoing_move_objects;
std::vector<KAutoObject*> outgoing_copy_objects;
std::vector<SessionRequestHandlerPtr> outgoing_domain_objects;
std::optional<IPC::CommandHeader> command_header;
std::optional<IPC::HandleDescriptorHeader> handle_descriptor_header;
std::optional<IPC::DataPayloadHeader> data_payload_header;
std::optional<IPC::DomainMessageHeader> domain_message_header;
std::vector<IPC::BufferDescriptorX> buffer_x_desciptors;
std::vector<IPC::BufferDescriptorABW> buffer_a_desciptors;
std::vector<IPC::BufferDescriptorABW> buffer_b_desciptors;
std::vector<IPC::BufferDescriptorABW> buffer_w_desciptors;
std::vector<IPC::BufferDescriptorC> buffer_c_desciptors;
u32_le command{};
u64 pid{};
u32 write_size{};
u32 data_payload_offset{};
u32 handles_offset{};
u32 domain_offset{};
std::weak_ptr<SessionRequestManager> manager{};
bool is_deferred{false};
KernelCore& kernel;
Core::Memory::Memory& memory;
};
} // namespace Kernel

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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <boost/intrusive/list.hpp>
#include "common/assert.h"
#include "core/hle/kernel/slab_helpers.h"
namespace Kernel {
class KernelCore;
class KLinkedListNode : public boost::intrusive::list_base_hook<>,
public KSlabAllocated<KLinkedListNode> {
public:
explicit KLinkedListNode(KernelCore&) {}
KLinkedListNode() = default;
void Initialize(void* it) {
m_item = it;
}
void* GetItem() const {
return m_item;
}
private:
void* m_item = nullptr;
};
template <typename T>
class KLinkedList : private boost::intrusive::list<KLinkedListNode> {
private:
using BaseList = boost::intrusive::list<KLinkedListNode>;
public:
template <bool Const>
class Iterator;
using value_type = T;
using size_type = size_t;
using difference_type = ptrdiff_t;
using pointer = value_type*;
using const_pointer = const value_type*;
using reference = value_type&;
using const_reference = const value_type&;
using iterator = Iterator<false>;
using const_iterator = Iterator<true>;
using reverse_iterator = std::reverse_iterator<iterator>;
using const_reverse_iterator = std::reverse_iterator<const_iterator>;
template <bool Const>
class Iterator {
private:
using BaseIterator = BaseList::iterator;
friend class KLinkedList;
public:
using iterator_category = std::bidirectional_iterator_tag;
using value_type = typename KLinkedList::value_type;
using difference_type = typename KLinkedList::difference_type;
using pointer = std::conditional_t<Const, KLinkedList::const_pointer, KLinkedList::pointer>;
using reference =
std::conditional_t<Const, KLinkedList::const_reference, KLinkedList::reference>;
public:
explicit Iterator(BaseIterator it) : m_base_it(it) {}
pointer GetItem() const {
return static_cast<pointer>(m_base_it->GetItem());
}
bool operator==(const Iterator& rhs) const {
return m_base_it == rhs.m_base_it;
}
bool operator!=(const Iterator& rhs) const {
return !(*this == rhs);
}
pointer operator->() const {
return this->GetItem();
}
reference operator*() const {
return *this->GetItem();
}
Iterator& operator++() {
++m_base_it;
return *this;
}
Iterator& operator--() {
--m_base_it;
return *this;
}
Iterator operator++(int) {
const Iterator it{*this};
++(*this);
return it;
}
Iterator operator--(int) {
const Iterator it{*this};
--(*this);
return it;
}
operator Iterator<true>() const {
return Iterator<true>(m_base_it);
}
private:
BaseIterator m_base_it;
};
public:
constexpr KLinkedList(KernelCore& kernel_) : BaseList(), kernel{kernel_} {}
~KLinkedList() {
// Erase all elements.
for (auto it = begin(); it != end(); it = erase(it)) {
}
// Ensure we succeeded.
ASSERT(this->empty());
}
// Iterator accessors.
iterator begin() {
return iterator(BaseList::begin());
}
const_iterator begin() const {
return const_iterator(BaseList::begin());
}
iterator end() {
return iterator(BaseList::end());
}
const_iterator end() const {
return const_iterator(BaseList::end());
}
const_iterator cbegin() const {
return this->begin();
}
const_iterator cend() const {
return this->end();
}
reverse_iterator rbegin() {
return reverse_iterator(this->end());
}
const_reverse_iterator rbegin() const {
return const_reverse_iterator(this->end());
}
reverse_iterator rend() {
return reverse_iterator(this->begin());
}
const_reverse_iterator rend() const {
return const_reverse_iterator(this->begin());
}
const_reverse_iterator crbegin() const {
return this->rbegin();
}
const_reverse_iterator crend() const {
return this->rend();
}
// Content management.
using BaseList::empty;
using BaseList::size;
reference back() {
return *(--this->end());
}
const_reference back() const {
return *(--this->end());
}
reference front() {
return *this->begin();
}
const_reference front() const {
return *this->begin();
}
iterator insert(const_iterator pos, reference ref) {
KLinkedListNode* new_node = KLinkedListNode::Allocate(kernel);
ASSERT(new_node != nullptr);
new_node->Initialize(std::addressof(ref));
return iterator(BaseList::insert(pos.m_base_it, *new_node));
}
void push_back(reference ref) {
this->insert(this->end(), ref);
}
void push_front(reference ref) {
this->insert(this->begin(), ref);
}
void pop_back() {
this->erase(--this->end());
}
void pop_front() {
this->erase(this->begin());
}
iterator erase(const iterator pos) {
KLinkedListNode* freed_node = std::addressof(*pos.m_base_it);
iterator ret = iterator(BaseList::erase(pos.m_base_it));
KLinkedListNode::Free(kernel, freed_node);
return ret;
}
private:
KernelCore& kernel;
};
} // namespace Kernel

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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/alignment.h"
#include "common/literals.h"
#include "core/hle/kernel/k_memory_layout.h"
#include "core/hle/kernel/k_memory_manager.h"
#include "core/hle/kernel/k_system_control.h"
#include "core/hle/kernel/k_trace.h"
namespace Kernel {
namespace {
using namespace Common::Literals;
constexpr size_t CarveoutAlignment = 0x20000;
constexpr size_t CarveoutSizeMax = (512_MiB) - CarveoutAlignment;
bool SetupPowerManagementControllerMemoryRegion(KMemoryLayout& memory_layout) {
// Above firmware 2.0.0, the PMC is not mappable.
return memory_layout.GetPhysicalMemoryRegionTree().Insert(
0x7000E000, 0x400, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap) &&
memory_layout.GetPhysicalMemoryRegionTree().Insert(
0x7000E400, 0xC00,
KMemoryRegionType_PowerManagementController | KMemoryRegionAttr_NoUserMap);
}
void InsertPoolPartitionRegionIntoBothTrees(KMemoryLayout& memory_layout, size_t start, size_t size,
KMemoryRegionType phys_type,
KMemoryRegionType virt_type, u32& cur_attr) {
const u32 attr = cur_attr++;
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(start, size,
static_cast<u32>(phys_type), attr));
const KMemoryRegion* phys = memory_layout.GetPhysicalMemoryRegionTree().FindByTypeAndAttribute(
static_cast<u32>(phys_type), attr);
ASSERT(phys != nullptr);
ASSERT(phys->GetEndAddress() != 0);
ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(phys->GetPairAddress(), size,
static_cast<u32>(virt_type), attr));
}
} // namespace
namespace Init {
void SetupDevicePhysicalMemoryRegions(KMemoryLayout& memory_layout) {
ASSERT(SetupPowerManagementControllerMemoryRegion(memory_layout));
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
0x70019000, 0x1000, KMemoryRegionType_MemoryController | KMemoryRegionAttr_NoUserMap));
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
0x7001C000, 0x1000, KMemoryRegionType_MemoryController0 | KMemoryRegionAttr_NoUserMap));
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
0x7001D000, 0x1000, KMemoryRegionType_MemoryController1 | KMemoryRegionAttr_NoUserMap));
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
0x50040000, 0x1000, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
0x50041000, 0x1000,
KMemoryRegionType_InterruptDistributor | KMemoryRegionAttr_ShouldKernelMap));
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
0x50042000, 0x1000,
KMemoryRegionType_InterruptCpuInterface | KMemoryRegionAttr_ShouldKernelMap));
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
0x50043000, 0x1D000, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
// Map IRAM unconditionally, to support debug-logging-to-iram build config.
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
0x40000000, 0x40000, KMemoryRegionType_LegacyLpsIram | KMemoryRegionAttr_ShouldKernelMap));
// Above firmware 2.0.0, prevent mapping the bpmp exception vectors or the ipatch region.
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
0x6000F000, 0x1000, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
0x6001DC00, 0x400, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
}
void SetupDramPhysicalMemoryRegions(KMemoryLayout& memory_layout) {
const size_t intended_memory_size = KSystemControl::Init::GetIntendedMemorySize();
const PAddr physical_memory_base_address =
KSystemControl::Init::GetKernelPhysicalBaseAddress(DramPhysicalAddress);
// Insert blocks into the tree.
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
physical_memory_base_address, intended_memory_size, KMemoryRegionType_Dram));
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
physical_memory_base_address, ReservedEarlyDramSize, KMemoryRegionType_DramReservedEarly));
// Insert the KTrace block at the end of Dram, if KTrace is enabled.
static_assert(!IsKTraceEnabled || KTraceBufferSize > 0);
if constexpr (IsKTraceEnabled) {
const PAddr ktrace_buffer_phys_addr =
physical_memory_base_address + intended_memory_size - KTraceBufferSize;
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
ktrace_buffer_phys_addr, KTraceBufferSize, KMemoryRegionType_KernelTraceBuffer));
}
}
void SetupPoolPartitionMemoryRegions(KMemoryLayout& memory_layout) {
// Start by identifying the extents of the DRAM memory region.
const auto dram_extents = memory_layout.GetMainMemoryPhysicalExtents();
ASSERT(dram_extents.GetEndAddress() != 0);
// Determine the end of the pool region.
const u64 pool_end = dram_extents.GetEndAddress() - KTraceBufferSize;
// Find the start of the kernel DRAM region.
const KMemoryRegion* kernel_dram_region =
memory_layout.GetPhysicalMemoryRegionTree().FindFirstDerived(
KMemoryRegionType_DramKernelBase);
ASSERT(kernel_dram_region != nullptr);
const u64 kernel_dram_start = kernel_dram_region->GetAddress();
ASSERT(Common::IsAligned(kernel_dram_start, CarveoutAlignment));
// Find the start of the pool partitions region.
const KMemoryRegion* pool_partitions_region =
memory_layout.GetPhysicalMemoryRegionTree().FindByTypeAndAttribute(
KMemoryRegionType_DramPoolPartition, 0);
ASSERT(pool_partitions_region != nullptr);
const u64 pool_partitions_start = pool_partitions_region->GetAddress();
// Setup the pool partition layouts.
// On 5.0.0+, setup modern 4-pool-partition layout.
// Get Application and Applet pool sizes.
const size_t application_pool_size = KSystemControl::Init::GetApplicationPoolSize();
const size_t applet_pool_size = KSystemControl::Init::GetAppletPoolSize();
const size_t unsafe_system_pool_min_size =
KSystemControl::Init::GetMinimumNonSecureSystemPoolSize();
// Decide on starting addresses for our pools.
const u64 application_pool_start = pool_end - application_pool_size;
const u64 applet_pool_start = application_pool_start - applet_pool_size;
const u64 unsafe_system_pool_start = std::min(
kernel_dram_start + CarveoutSizeMax,
Common::AlignDown(applet_pool_start - unsafe_system_pool_min_size, CarveoutAlignment));
const size_t unsafe_system_pool_size = applet_pool_start - unsafe_system_pool_start;
// We want to arrange application pool depending on where the middle of dram is.
const u64 dram_midpoint = (dram_extents.GetAddress() + dram_extents.GetEndAddress()) / 2;
u32 cur_pool_attr = 0;
size_t total_overhead_size = 0;
if (dram_extents.GetEndAddress() <= dram_midpoint || dram_midpoint <= application_pool_start) {
InsertPoolPartitionRegionIntoBothTrees(
memory_layout, application_pool_start, application_pool_size,
KMemoryRegionType_DramApplicationPool, KMemoryRegionType_VirtualDramApplicationPool,
cur_pool_attr);
total_overhead_size +=
KMemoryManager::CalculateManagementOverheadSize(application_pool_size);
} else {
const size_t first_application_pool_size = dram_midpoint - application_pool_start;
const size_t second_application_pool_size =
application_pool_start + application_pool_size - dram_midpoint;
InsertPoolPartitionRegionIntoBothTrees(
memory_layout, application_pool_start, first_application_pool_size,
KMemoryRegionType_DramApplicationPool, KMemoryRegionType_VirtualDramApplicationPool,
cur_pool_attr);
InsertPoolPartitionRegionIntoBothTrees(
memory_layout, dram_midpoint, second_application_pool_size,
KMemoryRegionType_DramApplicationPool, KMemoryRegionType_VirtualDramApplicationPool,
cur_pool_attr);
total_overhead_size +=
KMemoryManager::CalculateManagementOverheadSize(first_application_pool_size);
total_overhead_size +=
KMemoryManager::CalculateManagementOverheadSize(second_application_pool_size);
}
// Insert the applet pool.
InsertPoolPartitionRegionIntoBothTrees(memory_layout, applet_pool_start, applet_pool_size,
KMemoryRegionType_DramAppletPool,
KMemoryRegionType_VirtualDramAppletPool, cur_pool_attr);
total_overhead_size += KMemoryManager::CalculateManagementOverheadSize(applet_pool_size);
// Insert the nonsecure system pool.
InsertPoolPartitionRegionIntoBothTrees(
memory_layout, unsafe_system_pool_start, unsafe_system_pool_size,
KMemoryRegionType_DramSystemNonSecurePool, KMemoryRegionType_VirtualDramSystemNonSecurePool,
cur_pool_attr);
total_overhead_size += KMemoryManager::CalculateManagementOverheadSize(unsafe_system_pool_size);
// Insert the pool management region.
total_overhead_size += KMemoryManager::CalculateManagementOverheadSize(
(unsafe_system_pool_start - pool_partitions_start) - total_overhead_size);
const u64 pool_management_start = unsafe_system_pool_start - total_overhead_size;
const size_t pool_management_size = total_overhead_size;
u32 pool_management_attr = 0;
InsertPoolPartitionRegionIntoBothTrees(
memory_layout, pool_management_start, pool_management_size,
KMemoryRegionType_DramPoolManagement, KMemoryRegionType_VirtualDramPoolManagement,
pool_management_attr);
// Insert the system pool.
const u64 system_pool_size = pool_management_start - pool_partitions_start;
InsertPoolPartitionRegionIntoBothTrees(memory_layout, pool_partitions_start, system_pool_size,
KMemoryRegionType_DramSystemPool,
KMemoryRegionType_VirtualDramSystemPool, cur_pool_attr);
}
} // namespace Init
} // namespace Kernel

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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <functional>
#include <map>
#include <mutex>
#include <thread>
#include <vector>
#include "common/polyfill_thread.h"
#include "common/scope_exit.h"
#include "common/thread.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/kernel/k_scoped_resource_reservation.h"
#include "core/hle/kernel/k_session.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/service_thread.h"
namespace Kernel {
class ServiceThread::Impl final {
public:
explicit Impl(KernelCore& kernel, const std::string& service_name);
~Impl();
void WaitAndProcessImpl();
void SessionClosed(KServerSession* server_session,
std::shared_ptr<SessionRequestManager> manager);
void LoopProcess();
void RegisterServerSession(KServerSession* session,
std::shared_ptr<SessionRequestManager> manager);
private:
KernelCore& kernel;
const std::string m_service_name;
std::jthread m_host_thread{};
std::mutex m_session_mutex{};
std::map<KServerSession*, std::shared_ptr<SessionRequestManager>> m_sessions{};
KEvent* m_wakeup_event{};
KThread* m_thread{};
std::atomic<bool> m_shutdown_requested{};
};
void ServiceThread::Impl::WaitAndProcessImpl() {
// Create local list of waitable sessions.
std::vector<KSynchronizationObject*> objs;
std::vector<std::shared_ptr<SessionRequestManager>> managers;
{
// Lock to get the set.
std::scoped_lock lk{m_session_mutex};
// Reserve the needed quantity.
objs.reserve(m_sessions.size() + 1);
managers.reserve(m_sessions.size());
// Copy to our local list.
for (const auto& [session, manager] : m_sessions) {
objs.push_back(session);
managers.push_back(manager);
}
// Insert the wakeup event at the end.
objs.push_back(&m_wakeup_event->GetReadableEvent());
}
// Wait on the list of sessions.
s32 index{-1};
Result rc = KSynchronizationObject::Wait(kernel, &index, objs.data(),
static_cast<s32>(objs.size()), -1);
ASSERT(!rc.IsFailure());
// If this was the wakeup event, clear it and finish.
if (index >= static_cast<s64>(objs.size() - 1)) {
m_wakeup_event->Clear();
return;
}
// This event is from a server session.
auto* server_session = static_cast<KServerSession*>(objs[index]);
auto& manager = managers[index];
// Fetch the HLE request context.
std::shared_ptr<HLERequestContext> context;
rc = server_session->ReceiveRequest(&context, manager);
// If the session was closed, handle that.
if (rc == ResultSessionClosed) {
SessionClosed(server_session, manager);
// Finish.
return;
}
// TODO: handle other cases
ASSERT(rc == ResultSuccess);
// Perform the request.
Result service_rc = manager->CompleteSyncRequest(server_session, *context);
// Reply to the client.
rc = server_session->SendReplyHLE();
if (rc == ResultSessionClosed || service_rc == IPC::ERR_REMOTE_PROCESS_DEAD) {
SessionClosed(server_session, manager);
return;
}
// TODO: handle other cases
ASSERT(rc == ResultSuccess);
ASSERT(service_rc == ResultSuccess);
}
void ServiceThread::Impl::SessionClosed(KServerSession* server_session,
std::shared_ptr<SessionRequestManager> manager) {
{
// Lock to get the set.
std::scoped_lock lk{m_session_mutex};
// Erase the session.
ASSERT(m_sessions.erase(server_session) == 1);
}
// Close our reference to the server session.
server_session->Close();
}
void ServiceThread::Impl::LoopProcess() {
Common::SetCurrentThreadName(m_service_name.c_str());
kernel.RegisterHostThread(m_thread);
while (!m_shutdown_requested.load()) {
WaitAndProcessImpl();
}
}
void ServiceThread::Impl::RegisterServerSession(KServerSession* server_session,
std::shared_ptr<SessionRequestManager> manager) {
// Open the server session.
server_session->Open();
{
// Lock to get the set.
std::scoped_lock lk{m_session_mutex};
// Insert the session and manager.
m_sessions[server_session] = manager;
}
// Signal the wakeup event.
m_wakeup_event->Signal();
}
ServiceThread::Impl::~Impl() {
// Shut down the processing thread.
m_shutdown_requested.store(true);
m_wakeup_event->Signal();
m_host_thread.join();
// Close all remaining sessions.
for (const auto& [server_session, manager] : m_sessions) {
server_session->Close();
}
// Destroy remaining managers.
m_sessions.clear();
// Close event.
m_wakeup_event->GetReadableEvent().Close();
m_wakeup_event->Close();
// Close thread.
m_thread->Close();
}
ServiceThread::Impl::Impl(KernelCore& kernel_, const std::string& service_name)
: kernel{kernel_}, m_service_name{service_name} {
// Initialize event.
m_wakeup_event = KEvent::Create(kernel);
m_wakeup_event->Initialize(nullptr);
// Initialize thread.
m_thread = KThread::Create(kernel);
ASSERT(KThread::InitializeDummyThread(m_thread, nullptr).IsSuccess());
// Start thread.
m_host_thread = std::jthread([this] { LoopProcess(); });
}
ServiceThread::ServiceThread(KernelCore& kernel, const std::string& name)
: impl{std::make_unique<Impl>(kernel, name)} {}
ServiceThread::~ServiceThread() = default;
void ServiceThread::RegisterServerSession(KServerSession* session,
std::shared_ptr<SessionRequestManager> manager) {
impl->RegisterServerSession(session, manager);
}
} // namespace Kernel

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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <memory>
#include <string>
namespace Kernel {
class HLERequestContext;
class KernelCore;
class KSession;
class SessionRequestManager;
class ServiceThread final {
public:
explicit ServiceThread(KernelCore& kernel, const std::string& name);
~ServiceThread();
void RegisterServerSession(KServerSession* session,
std::shared_ptr<SessionRequestManager> manager);
private:
class Impl;
std::unique_ptr<Impl> impl;
};
} // namespace Kernel

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src/core/hle/kernel/svc_wrap.h
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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "common/common_types.h"
#include "core/arm/arm_interface.h"
#include "core/core.h"
#include "core/hle/kernel/svc_types.h"
#include "core/hle/result.h"
#include "core/memory.h"
namespace Kernel {
static inline u64 Param(const Core::System& system, int n) {
return system.CurrentArmInterface().GetReg(n);
}
static inline u32 Param32(const Core::System& system, int n) {
return static_cast<u32>(system.CurrentArmInterface().GetReg(n));
}
/**
* HLE a function return from the current ARM userland process
* @param system System context
* @param result Result to return
*/
static inline void FuncReturn(Core::System& system, u64 result) {
system.CurrentArmInterface().SetReg(0, result);
}
static inline void FuncReturn32(Core::System& system, u32 result) {
system.CurrentArmInterface().SetReg(0, (u64)result);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// Function wrappers that return type Result
template <Result func(Core::System&, u64)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, Param(system, 0)).raw);
}
template <Result func(Core::System&, u64, u64)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, Param(system, 0), Param(system, 1)).raw);
}
template <Result func(Core::System&, u32)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, static_cast<u32>(Param(system, 0))).raw);
}
template <Result func(Core::System&, u32, u32)>
void SvcWrap64(Core::System& system) {
FuncReturn(
system,
func(system, static_cast<u32>(Param(system, 0)), static_cast<u32>(Param(system, 1))).raw);
}
// Used by SetThreadActivity
template <Result func(Core::System&, Handle, Svc::ThreadActivity)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, static_cast<u32>(Param(system, 0)),
static_cast<Svc::ThreadActivity>(Param(system, 1)))
.raw);
}
template <Result func(Core::System&, u32, u64, u64, u64)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, static_cast<u32>(Param(system, 0)), Param(system, 1),
Param(system, 2), Param(system, 3))
.raw);
}
// Used by MapProcessMemory and UnmapProcessMemory
template <Result func(Core::System&, u64, u32, u64, u64)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, Param(system, 0), static_cast<u32>(Param(system, 1)),
Param(system, 2), Param(system, 3))
.raw);
}
// Used by ControlCodeMemory
template <Result func(Core::System&, Handle, u32, VAddr, size_t, Svc::MemoryPermission)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, static_cast<Handle>(Param(system, 0)),
static_cast<u32>(Param(system, 1)), Param(system, 2), Param(system, 3),
static_cast<Svc::MemoryPermission>(Param(system, 4)))
.raw);
}
template <Result func(Core::System&, u32*)>
void SvcWrap64(Core::System& system) {
u32 param = 0;
const u32 retval = func(system, &param).raw;
system.CurrentArmInterface().SetReg(1, param);
FuncReturn(system, retval);
}
template <Result func(Core::System&, u32*, u32)>
void SvcWrap64(Core::System& system) {
u32 param_1 = 0;
const u32 retval = func(system, &param_1, static_cast<u32>(Param(system, 1))).raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
template <Result func(Core::System&, u32*, u32*)>
void SvcWrap64(Core::System& system) {
u32 param_1 = 0;
u32 param_2 = 0;
const u32 retval = func(system, &param_1, &param_2).raw;
auto& arm_interface = system.CurrentArmInterface();
arm_interface.SetReg(1, param_1);
arm_interface.SetReg(2, param_2);
FuncReturn(system, retval);
}
template <Result func(Core::System&, u32*, u64)>
void SvcWrap64(Core::System& system) {
u32 param_1 = 0;
const u32 retval = func(system, &param_1, Param(system, 1)).raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
template <Result func(Core::System&, u32*, u64, u32)>
void SvcWrap64(Core::System& system) {
u32 param_1 = 0;
const u32 retval =
func(system, &param_1, Param(system, 1), static_cast<u32>(Param(system, 2))).raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
template <Result func(Core::System&, u64*, u32)>
void SvcWrap64(Core::System& system) {
u64 param_1 = 0;
const u32 retval = func(system, &param_1, static_cast<u32>(Param(system, 1))).raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
template <Result func(Core::System&, u64, u32)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, Param(system, 0), static_cast<u32>(Param(system, 1))).raw);
}
template <Result func(Core::System&, u64*, u64)>
void SvcWrap64(Core::System& system) {
u64 param_1 = 0;
const u32 retval = func(system, &param_1, Param(system, 1)).raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
template <Result func(Core::System&, u64*, u32, u32)>
void SvcWrap64(Core::System& system) {
u64 param_1 = 0;
const u32 retval = func(system, &param_1, static_cast<u32>(Param(system, 1)),
static_cast<u32>(Param(system, 2)))
.raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
// Used by GetResourceLimitLimitValue.
template <Result func(Core::System&, u64*, Handle, LimitableResource)>
void SvcWrap64(Core::System& system) {
u64 param_1 = 0;
const u32 retval = func(system, &param_1, static_cast<Handle>(Param(system, 1)),
static_cast<LimitableResource>(Param(system, 2)))
.raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
template <Result func(Core::System&, u32, u64)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, static_cast<u32>(Param(system, 0)), Param(system, 1)).raw);
}
// Used by SetResourceLimitLimitValue
template <Result func(Core::System&, Handle, LimitableResource, u64)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, static_cast<Handle>(Param(system, 0)),
static_cast<LimitableResource>(Param(system, 1)), Param(system, 2))
.raw);
}
// Used by SetThreadCoreMask
template <Result func(Core::System&, Handle, s32, u64)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, static_cast<u32>(Param(system, 0)),
static_cast<s32>(Param(system, 1)), Param(system, 2))
.raw);
}
// Used by GetThreadCoreMask
template <Result func(Core::System&, Handle, s32*, u64*)>
void SvcWrap64(Core::System& system) {
s32 param_1 = 0;
u64 param_2 = 0;
const Result retval = func(system, static_cast<u32>(Param(system, 2)), &param_1, &param_2);
system.CurrentArmInterface().SetReg(1, param_1);
system.CurrentArmInterface().SetReg(2, param_2);
FuncReturn(system, retval.raw);
}
template <Result func(Core::System&, u64, u64, u32, u32)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, Param(system, 0), Param(system, 1),
static_cast<u32>(Param(system, 2)), static_cast<u32>(Param(system, 3)))
.raw);
}
template <Result func(Core::System&, u64, u64, u32, u64)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, Param(system, 0), Param(system, 1),
static_cast<u32>(Param(system, 2)), Param(system, 3))
.raw);
}
template <Result func(Core::System&, u32, u64, u32)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, static_cast<u32>(Param(system, 0)), Param(system, 1),
static_cast<u32>(Param(system, 2)))
.raw);
}
template <Result func(Core::System&, u64, u64, u64)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, Param(system, 0), Param(system, 1), Param(system, 2)).raw);
}
template <Result func(Core::System&, u64, u64, u32)>
void SvcWrap64(Core::System& system) {
FuncReturn(
system,
func(system, Param(system, 0), Param(system, 1), static_cast<u32>(Param(system, 2))).raw);
}
// Used by SetMemoryPermission
template <Result func(Core::System&, u64, u64, Svc::MemoryPermission)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, Param(system, 0), Param(system, 1),
static_cast<Svc::MemoryPermission>(Param(system, 2)))
.raw);
}
// Used by MapSharedMemory
template <Result func(Core::System&, Handle, u64, u64, Svc::MemoryPermission)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, static_cast<Handle>(Param(system, 0)), Param(system, 1),
Param(system, 2), static_cast<Svc::MemoryPermission>(Param(system, 3)))
.raw);
}
template <Result func(Core::System&, u32, u64, u64)>
void SvcWrap64(Core::System& system) {
FuncReturn(
system,
func(system, static_cast<u32>(Param(system, 0)), Param(system, 1), Param(system, 2)).raw);
}
// Used by WaitSynchronization
template <Result func(Core::System&, s32*, u64, s32, s64)>
void SvcWrap64(Core::System& system) {
s32 param_1 = 0;
const u32 retval = func(system, &param_1, Param(system, 1), static_cast<s32>(Param(system, 2)),
static_cast<s64>(Param(system, 3)))
.raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
template <Result func(Core::System&, u64, u64, u32, s64)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, Param(system, 0), Param(system, 1),
static_cast<u32>(Param(system, 2)), static_cast<s64>(Param(system, 3)))
.raw);
}
// Used by GetInfo
template <Result func(Core::System&, u64*, u64, Handle, u64)>
void SvcWrap64(Core::System& system) {
u64 param_1 = 0;
const u32 retval = func(system, &param_1, Param(system, 1),
static_cast<Handle>(Param(system, 2)), Param(system, 3))
.raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
template <Result func(Core::System&, u32*, u64, u64, u64, u32, s32)>
void SvcWrap64(Core::System& system) {
u32 param_1 = 0;
const u32 retval = func(system, &param_1, Param(system, 1), Param(system, 2), Param(system, 3),
static_cast<u32>(Param(system, 4)), static_cast<s32>(Param(system, 5)))
.raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
// Used by CreateTransferMemory
template <Result func(Core::System&, Handle*, u64, u64, Svc::MemoryPermission)>
void SvcWrap64(Core::System& system) {
u32 param_1 = 0;
const u32 retval = func(system, &param_1, Param(system, 1), Param(system, 2),
static_cast<Svc::MemoryPermission>(Param(system, 3)))
.raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
// Used by CreateCodeMemory
template <Result func(Core::System&, Handle*, VAddr, size_t)>
void SvcWrap64(Core::System& system) {
u32 param_1 = 0;
const u32 retval = func(system, &param_1, Param(system, 1), Param(system, 2)).raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
template <Result func(Core::System&, Handle*, u64, u32, u32)>
void SvcWrap64(Core::System& system) {
u32 param_1 = 0;
const u32 retval = func(system, &param_1, Param(system, 1), static_cast<u32>(Param(system, 2)),
static_cast<u32>(Param(system, 3)))
.raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
// Used by CreateSession
template <Result func(Core::System&, Handle*, Handle*, u32, u64)>
void SvcWrap64(Core::System& system) {
Handle param_1 = 0;
Handle param_2 = 0;
const u32 retval = func(system, &param_1, &param_2, static_cast<u32>(Param(system, 2)),
static_cast<u32>(Param(system, 3)))
.raw;
system.CurrentArmInterface().SetReg(1, param_1);
system.CurrentArmInterface().SetReg(2, param_2);
FuncReturn(system, retval);
}
// Used by ReplyAndReceive
template <Result func(Core::System&, s32*, Handle*, s32, Handle, s64)>
void SvcWrap64(Core::System& system) {
s32 param_1 = 0;
s32 num_handles = static_cast<s32>(Param(system, 2));
std::vector<Handle> handles(num_handles);
system.Memory().ReadBlock(Param(system, 1), handles.data(), num_handles * sizeof(Handle));
const u32 retval = func(system, &param_1, handles.data(), num_handles,
static_cast<s32>(Param(system, 3)), static_cast<s64>(Param(system, 4)))
.raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
// Used by WaitForAddress
template <Result func(Core::System&, u64, Svc::ArbitrationType, s32, s64)>
void SvcWrap64(Core::System& system) {
FuncReturn(system,
func(system, Param(system, 0), static_cast<Svc::ArbitrationType>(Param(system, 1)),
static_cast<s32>(Param(system, 2)), static_cast<s64>(Param(system, 3)))
.raw);
}
// Used by SignalToAddress
template <Result func(Core::System&, u64, Svc::SignalType, s32, s32)>
void SvcWrap64(Core::System& system) {
FuncReturn(system,
func(system, Param(system, 0), static_cast<Svc::SignalType>(Param(system, 1)),
static_cast<s32>(Param(system, 2)), static_cast<s32>(Param(system, 3)))
.raw);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// Function wrappers that return type u32
template <u32 func(Core::System&)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system));
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// Function wrappers that return type u64
template <u64 func(Core::System&)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system));
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// Function wrappers that return type void
template <void func(Core::System&)>
void SvcWrap64(Core::System& system) {
func(system);
}
template <void func(Core::System&, u32)>
void SvcWrap64(Core::System& system) {
func(system, static_cast<u32>(Param(system, 0)));
}
template <void func(Core::System&, u32, u64, u64, u64)>
void SvcWrap64(Core::System& system) {
func(system, static_cast<u32>(Param(system, 0)), Param(system, 1), Param(system, 2),
Param(system, 3));
}
template <void func(Core::System&, s64)>
void SvcWrap64(Core::System& system) {
func(system, static_cast<s64>(Param(system, 0)));
}
template <void func(Core::System&, u64, s32)>
void SvcWrap64(Core::System& system) {
func(system, Param(system, 0), static_cast<s32>(Param(system, 1)));
}
template <void func(Core::System&, u64, u64)>
void SvcWrap64(Core::System& system) {
func(system, Param(system, 0), Param(system, 1));
}
template <void func(Core::System&, u64, u64, u64)>
void SvcWrap64(Core::System& system) {
func(system, Param(system, 0), Param(system, 1), Param(system, 2));
}
template <void func(Core::System&, u32, u64, u64)>
void SvcWrap64(Core::System& system) {
func(system, static_cast<u32>(Param(system, 0)), Param(system, 1), Param(system, 2));
}
// Used by QueryMemory32, ArbitrateLock32
template <Result func(Core::System&, u32, u32, u32)>
void SvcWrap32(Core::System& system) {
FuncReturn32(system,
func(system, Param32(system, 0), Param32(system, 1), Param32(system, 2)).raw);
}
// Used by Break32
template <void func(Core::System&, u32, u32, u32)>
void SvcWrap32(Core::System& system) {
func(system, Param32(system, 0), Param32(system, 1), Param32(system, 2));
}
// Used by ExitProcess32, ExitThread32
template <void func(Core::System&)>
void SvcWrap32(Core::System& system) {
func(system);
}
// Used by GetCurrentProcessorNumber32
template <u32 func(Core::System&)>
void SvcWrap32(Core::System& system) {
FuncReturn32(system, func(system));
}
// Used by SleepThread32
template <void func(Core::System&, u32, u32)>
void SvcWrap32(Core::System& system) {
func(system, Param32(system, 0), Param32(system, 1));
}
// Used by CreateThread32
template <Result func(Core::System&, Handle*, u32, u32, u32, u32, s32)>
void SvcWrap32(Core::System& system) {
Handle param_1 = 0;
const u32 retval = func(system, &param_1, Param32(system, 0), Param32(system, 1),
Param32(system, 2), Param32(system, 3), Param32(system, 4))
.raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
// Used by GetInfo32
template <Result func(Core::System&, u32*, u32*, u32, u32, u32, u32)>
void SvcWrap32(Core::System& system) {
u32 param_1 = 0;
u32 param_2 = 0;
const u32 retval = func(system, &param_1, &param_2, Param32(system, 0), Param32(system, 1),
Param32(system, 2), Param32(system, 3))
.raw;
system.CurrentArmInterface().SetReg(1, param_1);
system.CurrentArmInterface().SetReg(2, param_2);
FuncReturn(system, retval);
}
// Used by GetThreadPriority32, ConnectToNamedPort32
template <Result func(Core::System&, u32*, u32)>
void SvcWrap32(Core::System& system) {
u32 param_1 = 0;
const u32 retval = func(system, &param_1, Param32(system, 1)).raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
// Used by GetThreadId32
template <Result func(Core::System&, u32*, u32*, u32)>
void SvcWrap32(Core::System& system) {
u32 param_1 = 0;
u32 param_2 = 0;
const u32 retval = func(system, &param_1, &param_2, Param32(system, 1)).raw;
system.CurrentArmInterface().SetReg(1, param_1);
system.CurrentArmInterface().SetReg(2, param_2);
FuncReturn(system, retval);
}
// Used by GetSystemTick32
template <void func(Core::System&, u32*, u32*)>
void SvcWrap32(Core::System& system) {
u32 param_1 = 0;
u32 param_2 = 0;
func(system, &param_1, &param_2);
system.CurrentArmInterface().SetReg(0, param_1);
system.CurrentArmInterface().SetReg(1, param_2);
}
// Used by CreateEvent32
template <Result func(Core::System&, Handle*, Handle*)>
void SvcWrap32(Core::System& system) {
Handle param_1 = 0;
Handle param_2 = 0;
const u32 retval = func(system, &param_1, &param_2).raw;
system.CurrentArmInterface().SetReg(1, param_1);
system.CurrentArmInterface().SetReg(2, param_2);
FuncReturn(system, retval);
}
// Used by GetThreadId32
template <Result func(Core::System&, Handle, u32*, u32*, u32*)>
void SvcWrap32(Core::System& system) {
u32 param_1 = 0;
u32 param_2 = 0;
u32 param_3 = 0;
const u32 retval = func(system, Param32(system, 2), &param_1, &param_2, &param_3).raw;
system.CurrentArmInterface().SetReg(1, param_1);
system.CurrentArmInterface().SetReg(2, param_2);
system.CurrentArmInterface().SetReg(3, param_3);
FuncReturn(system, retval);
}
// Used by GetThreadCoreMask32
template <Result func(Core::System&, Handle, s32*, u32*, u32*)>
void SvcWrap32(Core::System& system) {
s32 param_1 = 0;
u32 param_2 = 0;
u32 param_3 = 0;
const u32 retval = func(system, Param32(system, 2), &param_1, &param_2, &param_3).raw;
system.CurrentArmInterface().SetReg(1, param_1);
system.CurrentArmInterface().SetReg(2, param_2);
system.CurrentArmInterface().SetReg(3, param_3);
FuncReturn(system, retval);
}
// Used by SignalProcessWideKey32
template <void func(Core::System&, u32, s32)>
void SvcWrap32(Core::System& system) {
func(system, static_cast<u32>(Param(system, 0)), static_cast<s32>(Param(system, 1)));
}
// Used by SetThreadActivity32
template <Result func(Core::System&, Handle, Svc::ThreadActivity)>
void SvcWrap32(Core::System& system) {
const u32 retval = func(system, static_cast<Handle>(Param(system, 0)),
static_cast<Svc::ThreadActivity>(Param(system, 1)))
.raw;
FuncReturn(system, retval);
}
// Used by SetThreadPriority32
template <Result func(Core::System&, Handle, u32)>
void SvcWrap32(Core::System& system) {
const u32 retval =
func(system, static_cast<Handle>(Param(system, 0)), static_cast<u32>(Param(system, 1))).raw;
FuncReturn(system, retval);
}
// Used by SetMemoryAttribute32
template <Result func(Core::System&, Handle, u32, u32, u32)>
void SvcWrap32(Core::System& system) {
const u32 retval =
func(system, static_cast<Handle>(Param(system, 0)), static_cast<u32>(Param(system, 1)),
static_cast<u32>(Param(system, 2)), static_cast<u32>(Param(system, 3)))
.raw;
FuncReturn(system, retval);
}
// Used by MapSharedMemory32
template <Result func(Core::System&, Handle, u32, u32, Svc::MemoryPermission)>
void SvcWrap32(Core::System& system) {
const u32 retval = func(system, static_cast<Handle>(Param(system, 0)),
static_cast<u32>(Param(system, 1)), static_cast<u32>(Param(system, 2)),
static_cast<Svc::MemoryPermission>(Param(system, 3)))
.raw;
FuncReturn(system, retval);
}
// Used by SetThreadCoreMask32
template <Result func(Core::System&, Handle, s32, u32, u32)>
void SvcWrap32(Core::System& system) {
const u32 retval =
func(system, static_cast<Handle>(Param(system, 0)), static_cast<s32>(Param(system, 1)),
static_cast<u32>(Param(system, 2)), static_cast<u32>(Param(system, 3)))
.raw;
FuncReturn(system, retval);
}
// Used by WaitProcessWideKeyAtomic32
template <Result func(Core::System&, u32, u32, Handle, u32, u32)>
void SvcWrap32(Core::System& system) {
const u32 retval =
func(system, static_cast<u32>(Param(system, 0)), static_cast<u32>(Param(system, 1)),
static_cast<Handle>(Param(system, 2)), static_cast<u32>(Param(system, 3)),
static_cast<u32>(Param(system, 4)))
.raw;
FuncReturn(system, retval);
}
// Used by WaitForAddress32
template <Result func(Core::System&, u32, Svc::ArbitrationType, s32, u32, u32)>
void SvcWrap32(Core::System& system) {
const u32 retval = func(system, static_cast<u32>(Param(system, 0)),
static_cast<Svc::ArbitrationType>(Param(system, 1)),
static_cast<s32>(Param(system, 2)), static_cast<u32>(Param(system, 3)),
static_cast<u32>(Param(system, 4)))
.raw;
FuncReturn(system, retval);
}
// Used by SignalToAddress32
template <Result func(Core::System&, u32, Svc::SignalType, s32, s32)>
void SvcWrap32(Core::System& system) {
const u32 retval = func(system, static_cast<u32>(Param(system, 0)),
static_cast<Svc::SignalType>(Param(system, 1)),
static_cast<s32>(Param(system, 2)), static_cast<s32>(Param(system, 3)))
.raw;
FuncReturn(system, retval);
}
// Used by SendSyncRequest32, ArbitrateUnlock32
template <Result func(Core::System&, u32)>
void SvcWrap32(Core::System& system) {
FuncReturn(system, func(system, static_cast<u32>(Param(system, 0))).raw);
}
// Used by CreateTransferMemory32
template <Result func(Core::System&, Handle*, u32, u32, Svc::MemoryPermission)>
void SvcWrap32(Core::System& system) {
Handle handle = 0;
const u32 retval = func(system, &handle, Param32(system, 1), Param32(system, 2),
static_cast<Svc::MemoryPermission>(Param32(system, 3)))
.raw;
system.CurrentArmInterface().SetReg(1, handle);
FuncReturn(system, retval);
}
// Used by WaitSynchronization32
template <Result func(Core::System&, u32, u32, s32, u32, s32*)>
void SvcWrap32(Core::System& system) {
s32 param_1 = 0;
const u32 retval = func(system, Param32(system, 0), Param32(system, 1), Param32(system, 2),
Param32(system, 3), &param_1)
.raw;
system.CurrentArmInterface().SetReg(1, param_1);
FuncReturn(system, retval);
}
// Used by CreateCodeMemory32
template <Result func(Core::System&, Handle*, u32, u32)>
void SvcWrap32(Core::System& system) {
Handle handle = 0;
const u32 retval = func(system, &handle, Param32(system, 1), Param32(system, 2)).raw;
system.CurrentArmInterface().SetReg(1, handle);
FuncReturn(system, retval);
}
// Used by ControlCodeMemory32
template <Result func(Core::System&, Handle, u32, u64, u64, Svc::MemoryPermission)>
void SvcWrap32(Core::System& system) {
const u32 retval =
func(system, Param32(system, 0), Param32(system, 1), Param(system, 2), Param(system, 4),
static_cast<Svc::MemoryPermission>(Param32(system, 6)))
.raw;
FuncReturn(system, retval);
}
// Used by Invalidate/Store/FlushProcessDataCache32
template <Result func(Core::System&, Handle, u64, u64)>
void SvcWrap32(Core::System& system) {
const u64 address = (Param(system, 3) << 32) | Param(system, 2);
const u64 size = (Param(system, 4) << 32) | Param(system, 1);
FuncReturn32(system, func(system, Param32(system, 0), address, size).raw);
}
} // namespace Kernel

44
src/core/hle/kernel/time_manager.cpp
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@ -1,44 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/assert.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/hle/kernel/k_scheduler.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/time_manager.h"
namespace Kernel {
TimeManager::TimeManager(Core::System& system_) : system{system_} {
time_manager_event_type = Core::Timing::CreateEvent(
"Kernel::TimeManagerCallback",
[this](std::uintptr_t thread_handle, s64 time,
std::chrono::nanoseconds) -> std::optional<std::chrono::nanoseconds> {
KThread* thread = reinterpret_cast<KThread*>(thread_handle);
{
KScopedSchedulerLock sl(system.Kernel());
thread->OnTimer();
}
return std::nullopt;
});
}
void TimeManager::ScheduleTimeEvent(KThread* thread, s64 nanoseconds) {
std::scoped_lock lock{mutex};
if (nanoseconds > 0) {
ASSERT(thread);
ASSERT(thread->GetState() != ThreadState::Runnable);
system.CoreTiming().ScheduleEvent(std::chrono::nanoseconds{nanoseconds},
time_manager_event_type,
reinterpret_cast<uintptr_t>(thread));
}
}
void TimeManager::UnscheduleTimeEvent(KThread* thread) {
std::scoped_lock lock{mutex};
system.CoreTiming().UnscheduleEvent(time_manager_event_type,
reinterpret_cast<uintptr_t>(thread));
}
} // namespace Kernel

41
src/core/hle/kernel/time_manager.h
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@ -1,41 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <memory>
#include <mutex>
namespace Core {
class System;
} // namespace Core
namespace Core::Timing {
struct EventType;
} // namespace Core::Timing
namespace Kernel {
class KThread;
/**
* The `TimeManager` takes care of scheduling time events on threads and executes their TimeUp
* method when the event is triggered.
*/
class TimeManager {
public:
explicit TimeManager(Core::System& system);
/// Schedule a time event on `timetask` thread that will expire in 'nanoseconds'
void ScheduleTimeEvent(KThread* time_task, s64 nanoseconds);
/// Unschedule an existing time event
void UnscheduleTimeEvent(KThread* thread);
private:
Core::System& system;
std::shared_ptr<Core::Timing::EventType> time_manager_event_type;
std::mutex mutex;
};
} // namespace Kernel

22
src/core/hle/service/am/tcap.cpp
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@ -1,22 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "core/hle/service/am/tcap.h"
namespace Service::AM {
TCAP::TCAP(Core::System& system_) : ServiceFramework{system_, "tcap"} {
// clang-format off
static const FunctionInfo functions[] = {
{0, nullptr, "GetContinuousHighSkinTemperatureEvent"},
{1, nullptr, "SetOperationMode"},
{2, nullptr, "LoadAndApplySettings"},
};
// clang-format on
RegisterHandlers(functions);
}
TCAP::~TCAP() = default;
} // namespace Service::AM

20
src/core/hle/service/am/tcap.h
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@ -1,20 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "core/hle/service/service.h"
namespace Core {
class System;
}
namespace Service::AM {
class TCAP final : public ServiceFramework<TCAP> {
public:
explicit TCAP(Core::System& system_);
~TCAP() override;
};
} // namespace Service::AM

21
src/core/hle/service/audio/auddbg.cpp
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@ -1,21 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "core/hle/service/audio/auddbg.h"
namespace Service::Audio {
AudDbg::AudDbg(Core::System& system_, const char* name) : ServiceFramework{system_, name} {
// clang-format off
static const FunctionInfo functions[] = {
{0, nullptr, "RequestSuspendForDebug"},
{1, nullptr, "RequestResumeForDebug"},
};
// clang-format on
RegisterHandlers(functions);
}
AudDbg::~AudDbg() = default;
} // namespace Service::Audio

20
src/core/hle/service/audio/auddbg.h
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@ -1,20 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "core/hle/service/service.h"
namespace Core {
class System;
}
namespace Service::Audio {
class AudDbg final : public ServiceFramework<AudDbg> {
public:
explicit AudDbg(Core::System& system_, const char* name);
~AudDbg() override;
};
} // namespace Service::Audio

23
src/core/hle/service/audio/audin_a.cpp
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@ -1,23 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "core/hle/service/audio/audin_a.h"
namespace Service::Audio {
AudInA::AudInA(Core::System& system_) : ServiceFramework{system_, "audin:a"} {
// clang-format off
static const FunctionInfo functions[] = {
{0, nullptr, "RequestSuspend"},
{1, nullptr, "RequestResume"},
{2, nullptr, "GetProcessMasterVolume"},
{3, nullptr, "SetProcessMasterVolume"},
};
// clang-format on
RegisterHandlers(functions);
}
AudInA::~AudInA() = default;
} // namespace Service::Audio

20
src/core/hle/service/audio/audin_a.h
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@ -1,20 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "core/hle/service/service.h"
namespace Core {
class System;
}
namespace Service::Audio {
class AudInA final : public ServiceFramework<AudInA> {
public:
explicit AudInA(Core::System& system_);
~AudInA() override;
};
} // namespace Service::Audio

25
src/core/hle/service/audio/audout_a.cpp
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@ -1,25 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "core/hle/service/audio/audout_a.h"
namespace Service::Audio {
AudOutA::AudOutA(Core::System& system_) : ServiceFramework{system_, "audout:a"} {
// clang-format off
static const FunctionInfo functions[] = {
{0, nullptr, "RequestSuspend"},
{1, nullptr, "RequestResume"},
{2, nullptr, "GetProcessMasterVolume"},
{3, nullptr, "SetProcessMasterVolume"},
{4, nullptr, "GetProcessRecordVolume"},
{5, nullptr, "SetProcessRecordVolume"},
};
// clang-format on
RegisterHandlers(functions);
}
AudOutA::~AudOutA() = default;
} // namespace Service::Audio

20
src/core/hle/service/audio/audout_a.h
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@ -1,20 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "core/hle/service/service.h"
namespace Core {
class System;
}
namespace Service::Audio {
class AudOutA final : public ServiceFramework<AudOutA> {
public:
explicit AudOutA(Core::System& system_);
~AudOutA() override;
};
} // namespace Service::Audio

27
src/core/hle/service/audio/audren_a.cpp
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@ -1,27 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "core/hle/service/audio/audren_a.h"
namespace Service::Audio {
AudRenA::AudRenA(Core::System& system_) : ServiceFramework{system_, "audren:a"} {
// clang-format off
static const FunctionInfo functions[] = {
{0, nullptr, "RequestSuspend"},
{1, nullptr, "RequestResume"},
{2, nullptr, "GetProcessMasterVolume"},
{3, nullptr, "SetProcessMasterVolume"},
{4, nullptr, "RegisterAppletResourceUserId"},
{5, nullptr, "UnregisterAppletResourceUserId"},
{6, nullptr, "GetProcessRecordVolume"},
{7, nullptr, "SetProcessRecordVolume"},
};
// clang-format on
RegisterHandlers(functions);
}
AudRenA::~AudRenA() = default;
} // namespace Service::Audio

20
src/core/hle/service/audio/audren_a.h
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@ -1,20 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "core/hle/service/service.h"
namespace Core {
class System;
}
namespace Service::Audio {
class AudRenA final : public ServiceFramework<AudRenA> {
public:
explicit AudRenA(Core::System& system_);
~AudRenA() override;
};
} // namespace Service::Audio

29
src/core/hle/service/audio/codecctl.cpp
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@ -1,29 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "core/hle/service/audio/codecctl.h"
namespace Service::Audio {
CodecCtl::CodecCtl(Core::System& system_) : ServiceFramework{system_, "codecctl"} {
static const FunctionInfo functions[] = {
{0, nullptr, "Initialize"},
{1, nullptr, "Finalize"},
{2, nullptr, "Sleep"},
{3, nullptr, "Wake"},
{4, nullptr, "SetVolume"},
{5, nullptr, "GetVolumeMax"},
{6, nullptr, "GetVolumeMin"},
{7, nullptr, "SetActiveTarget"},
{8, nullptr, "GetActiveTarget"},
{9, nullptr, "BindHeadphoneMicJackInterrupt"},
{10, nullptr, "IsHeadphoneMicJackInserted"},
{11, nullptr, "ClearHeadphoneMicJackInterrupt"},
{12, nullptr, "IsRequested"},
};
RegisterHandlers(functions);
}
CodecCtl::~CodecCtl() = default;
} // namespace Service::Audio

20
src/core/hle/service/audio/codecctl.h
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@ -1,20 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "core/hle/service/service.h"
namespace Core {
class System;
}
namespace Service::Audio {
class CodecCtl final : public ServiceFramework<CodecCtl> {
public:
explicit CodecCtl(Core::System& system_);
~CodecCtl() override;
};
} // namespace Service::Audio

11
src/core/hle/service/friend/errors.h
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@ -1,11 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "core/hle/result.h"
namespace Service::Friend {
constexpr Result ERR_NO_NOTIFICATIONS{ErrorModule::Account, 15};
}

400
src/core/hle/service/nfc/mifare_user.cpp
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@ -1,400 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/logging/log.h"
#include "core/core.h"
#include "core/hid/hid_types.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/service/ipc_helpers.h"
#include "core/hle/service/nfc/mifare_user.h"
#include "core/hle/service/nfc/nfc_device.h"
#include "core/hle/service/nfc/nfc_result.h"
namespace Service::NFC {
MFIUser::MFIUser(Core::System& system_)
: ServiceFramework{system_, "NFC::MFIUser"}, service_context{system_, service_name} {
static const FunctionInfo functions[] = {
{0, &MFIUser::Initialize, "Initialize"},
{1, &MFIUser::Finalize, "Finalize"},
{2, &MFIUser::ListDevices, "ListDevices"},
{3, &MFIUser::StartDetection, "StartDetection"},
{4, &MFIUser::StopDetection, "StopDetection"},
{5, &MFIUser::Read, "Read"},
{6, &MFIUser::Write, "Write"},
{7, &MFIUser::GetTagInfo, "GetTagInfo"},
{8, &MFIUser::GetActivateEventHandle, "GetActivateEventHandle"},
{9, &MFIUser::GetDeactivateEventHandle, "GetDeactivateEventHandle"},
{10, &MFIUser::GetState, "GetState"},
{11, &MFIUser::GetDeviceState, "GetDeviceState"},
{12, &MFIUser::GetNpadId, "GetNpadId"},
{13, &MFIUser::GetAvailabilityChangeEventHandle, "GetAvailabilityChangeEventHandle"},
};
RegisterHandlers(functions);
availability_change_event = service_context.CreateEvent("MFIUser:AvailabilityChangeEvent");
for (u32 device_index = 0; device_index < 10; device_index++) {
devices[device_index] =
std::make_shared<NfcDevice>(Core::HID::IndexToNpadIdType(device_index), system,
service_context, availability_change_event);
}
}
MFIUser ::~MFIUser() {
availability_change_event->Close();
}
void MFIUser::Initialize(HLERequestContext& ctx) {
LOG_INFO(Service_NFC, "called");
state = State::Initialized;
for (auto& device : devices) {
device->Initialize();
}
IPC::ResponseBuilder rb{ctx, 2, 0};
rb.Push(ResultSuccess);
}
void MFIUser::Finalize(HLERequestContext& ctx) {
LOG_INFO(Service_NFC, "called");
state = State::NonInitialized;
for (auto& device : devices) {
device->Finalize();
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void MFIUser::ListDevices(HLERequestContext& ctx) {
LOG_DEBUG(Service_NFC, "called");
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareNfcDisabled);
return;
}
if (!ctx.CanWriteBuffer()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareInvalidArgument);
return;
}
if (ctx.GetWriteBufferSize() == 0) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareInvalidArgument);
return;
}
std::vector<u64> nfp_devices;
const std::size_t max_allowed_devices = ctx.GetWriteBufferNumElements<u64>();
for (const auto& device : devices) {
if (nfp_devices.size() >= max_allowed_devices) {
continue;
}
if (device->GetCurrentState() != NFP::DeviceState::Unavailable) {
nfp_devices.push_back(device->GetHandle());
}
}
if (nfp_devices.empty()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareDeviceNotFound);
return;
}
ctx.WriteBuffer(nfp_devices);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(static_cast<s32>(nfp_devices.size()));
}
void MFIUser::StartDetection(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_INFO(Service_NFC, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareNfcDisabled);
return;
}
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareDeviceNotFound);
return;
}
const auto result = device.value()->StartDetection(NFP::TagProtocol::All);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void MFIUser::StopDetection(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_INFO(Service_NFC, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareNfcDisabled);
return;
}
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareDeviceNotFound);
return;
}
const auto result = device.value()->StopDetection();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void MFIUser::Read(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
const auto buffer{ctx.ReadBuffer()};
const auto number_of_commands{ctx.GetReadBufferNumElements<NFP::MifareReadBlockParameter>()};
std::vector<NFP::MifareReadBlockParameter> read_commands(number_of_commands);
memcpy(read_commands.data(), buffer.data(),
number_of_commands * sizeof(NFP::MifareReadBlockParameter));
LOG_INFO(Service_NFC, "(STUBBED) called, device_handle={}, read_commands_size={}",
device_handle, number_of_commands);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareNfcDisabled);
return;
}
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareDeviceNotFound);
return;
}
Result result = ResultSuccess;
std::vector<NFP::MifareReadBlockData> out_data(number_of_commands);
for (std::size_t i = 0; i < number_of_commands; i++) {
result = device.value()->MifareRead(read_commands[i], out_data[i]);
if (result.IsError()) {
break;
}
}
ctx.WriteBuffer(out_data);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void MFIUser::Write(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
const auto buffer{ctx.ReadBuffer()};
const auto number_of_commands{ctx.GetReadBufferNumElements<NFP::MifareWriteBlockParameter>()};
std::vector<NFP::MifareWriteBlockParameter> write_commands(number_of_commands);
memcpy(write_commands.data(), buffer.data(),
number_of_commands * sizeof(NFP::MifareWriteBlockParameter));
LOG_INFO(Service_NFC, "(STUBBED) called, device_handle={}, write_commands_size={}",
device_handle, number_of_commands);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareNfcDisabled);
return;
}
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareDeviceNotFound);
return;
}
Result result = ResultSuccess;
std::vector<NFP::MifareReadBlockData> out_data(number_of_commands);
for (std::size_t i = 0; i < number_of_commands; i++) {
result = device.value()->MifareWrite(write_commands[i]);
if (result.IsError()) {
break;
}
}
if (result.IsSuccess()) {
result = device.value()->Flush();
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void MFIUser::GetTagInfo(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_INFO(Service_NFC, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareNfcDisabled);
return;
}
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareDeviceNotFound);
return;
}
NFP::TagInfo tag_info{};
const auto result = device.value()->GetTagInfo(tag_info, true);
ctx.WriteBuffer(tag_info);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void MFIUser::GetActivateEventHandle(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareNfcDisabled);
return;
}
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareDeviceNotFound);
return;
}
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(device.value()->GetActivateEvent());
}
void MFIUser::GetDeactivateEventHandle(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareNfcDisabled);
return;
}
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareDeviceNotFound);
return;
}
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(device.value()->GetDeactivateEvent());
}
void MFIUser::GetState(HLERequestContext& ctx) {
LOG_DEBUG(Service_NFC, "called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(state);
}
void MFIUser::GetDeviceState(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle);
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareDeviceNotFound);
return;
}
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(device.value()->GetCurrentState());
}
void MFIUser::GetNpadId(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareNfcDisabled);
return;
}
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareDeviceNotFound);
return;
}
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(device.value()->GetNpadId());
}
void MFIUser::GetAvailabilityChangeEventHandle(HLERequestContext& ctx) {
LOG_INFO(Service_NFC, "called");
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(MifareNfcDisabled);
return;
}
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(availability_change_event->GetReadableEvent());
}
std::optional<std::shared_ptr<NfcDevice>> MFIUser::GetNfcDevice(u64 handle) {
for (auto& device : devices) {
if (device->GetHandle() == handle) {
return device;
}
}
return std::nullopt;
}
} // namespace Service::NFC

52
src/core/hle/service/nfc/mifare_user.h
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@ -1,52 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <memory>
#include <optional>
#include "core/hle/service/kernel_helpers.h"
#include "core/hle/service/service.h"
namespace Service::NFC {
class NfcDevice;
class MFIUser final : public ServiceFramework<MFIUser> {
public:
explicit MFIUser(Core::System& system_);
~MFIUser();
private:
enum class State : u32 {
NonInitialized,
Initialized,
};
void Initialize(HLERequestContext& ctx);
void Finalize(HLERequestContext& ctx);
void ListDevices(HLERequestContext& ctx);
void StartDetection(HLERequestContext& ctx);
void StopDetection(HLERequestContext& ctx);
void Read(HLERequestContext& ctx);
void Write(HLERequestContext& ctx);
void GetTagInfo(HLERequestContext& ctx);
void GetActivateEventHandle(HLERequestContext& ctx);
void GetDeactivateEventHandle(HLERequestContext& ctx);
void GetState(HLERequestContext& ctx);
void GetDeviceState(HLERequestContext& ctx);
void GetNpadId(HLERequestContext& ctx);
void GetAvailabilityChangeEventHandle(HLERequestContext& ctx);
std::optional<std::shared_ptr<NfcDevice>> GetNfcDevice(u64 handle);
KernelHelpers::ServiceContext service_context;
std::array<std::shared_ptr<NfcDevice>, 10> devices{};
State state{State::NonInitialized};
Kernel::KEvent* availability_change_event;
};
} // namespace Service::NFC

288
src/core/hle/service/nfc/nfc_device.cpp
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@ -1,288 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/input.h"
#include "common/logging/log.h"
#include "core/core.h"
#include "core/hid/emulated_controller.h"
#include "core/hid/hid_core.h"
#include "core/hid/hid_types.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/service/ipc_helpers.h"
#include "core/hle/service/nfc/nfc_device.h"
#include "core/hle/service/nfc/nfc_result.h"
#include "core/hle/service/nfc/nfc_user.h"
namespace Service::NFC {
NfcDevice::NfcDevice(Core::HID::NpadIdType npad_id_, Core::System& system_,
KernelHelpers::ServiceContext& service_context_,
Kernel::KEvent* availability_change_event_)
: npad_id{npad_id_}, system{system_}, service_context{service_context_},
availability_change_event{availability_change_event_} {
activate_event = service_context.CreateEvent("IUser:NFCActivateEvent");
deactivate_event = service_context.CreateEvent("IUser:NFCDeactivateEvent");
npad_device = system.HIDCore().GetEmulatedController(npad_id);
Core::HID::ControllerUpdateCallback engine_callback{
.on_change = [this](Core::HID::ControllerTriggerType type) { NpadUpdate(type); },
.is_npad_service = false,
};
is_controller_set = true;
callback_key = npad_device->SetCallback(engine_callback);
}
NfcDevice::~NfcDevice() {
activate_event->Close();
deactivate_event->Close();
if (!is_controller_set) {
return;
}
npad_device->DeleteCallback(callback_key);
is_controller_set = false;
};
void NfcDevice::NpadUpdate(Core::HID::ControllerTriggerType type) {
if (!is_initalized) {
return;
}
if (type == Core::HID::ControllerTriggerType::Connected) {
Initialize();
availability_change_event->Signal();
return;
}
if (type == Core::HID::ControllerTriggerType::Disconnected) {
device_state = NFP::DeviceState::Unavailable;
availability_change_event->Signal();
return;
}
if (type != Core::HID::ControllerTriggerType::Nfc) {
return;
}
if (!npad_device->IsConnected()) {
return;
}
const auto nfc_status = npad_device->GetNfc();
switch (nfc_status.state) {
case Common::Input::NfcState::NewAmiibo:
LoadNfcTag(nfc_status.data);
break;
case Common::Input::NfcState::AmiiboRemoved:
if (device_state != NFP::DeviceState::SearchingForTag) {
CloseNfcTag();
}
break;
default:
break;
}
}
bool NfcDevice::LoadNfcTag(std::span<const u8> data) {
if (device_state != NFP::DeviceState::SearchingForTag) {
LOG_ERROR(Service_NFC, "Game is not looking for nfc tag, current state {}", device_state);
return false;
}
if (data.size() < sizeof(NFP::EncryptedNTAG215File)) {
LOG_ERROR(Service_NFC, "Not an amiibo, size={}", data.size());
return false;
}
tag_data.resize(data.size());
memcpy(tag_data.data(), data.data(), data.size());
memcpy(&encrypted_tag_data, data.data(), sizeof(NFP::EncryptedNTAG215File));
device_state = NFP::DeviceState::TagFound;
deactivate_event->GetReadableEvent().Clear();
activate_event->Signal();
return true;
}
void NfcDevice::CloseNfcTag() {
LOG_INFO(Service_NFC, "Remove nfc tag");
device_state = NFP::DeviceState::TagRemoved;
encrypted_tag_data = {};
activate_event->GetReadableEvent().Clear();
deactivate_event->Signal();
}
Kernel::KReadableEvent& NfcDevice::GetActivateEvent() const {
return activate_event->GetReadableEvent();
}
Kernel::KReadableEvent& NfcDevice::GetDeactivateEvent() const {
return deactivate_event->GetReadableEvent();
}
void NfcDevice::Initialize() {
device_state =
npad_device->HasNfc() ? NFP::DeviceState::Initialized : NFP::DeviceState::Unavailable;
encrypted_tag_data = {};
is_initalized = true;
}
void NfcDevice::Finalize() {
if (device_state == NFP::DeviceState::SearchingForTag ||
device_state == NFP::DeviceState::TagRemoved) {
StopDetection();
}
device_state = NFP::DeviceState::Unavailable;
is_initalized = false;
}
Result NfcDevice::StartDetection(NFP::TagProtocol allowed_protocol) {
if (device_state != NFP::DeviceState::Initialized &&
device_state != NFP::DeviceState::TagRemoved) {
LOG_ERROR(Service_NFC, "Wrong device state {}", device_state);
return WrongDeviceState;
}
if (npad_device->SetPollingMode(Core::HID::EmulatedDeviceIndex::RightIndex,
Common::Input::PollingMode::NFC) !=
Common::Input::DriverResult::Success) {
LOG_ERROR(Service_NFC, "Nfc not supported");
return NfcDisabled;
}
device_state = NFP::DeviceState::SearchingForTag;
allowed_protocols = allowed_protocol;
return ResultSuccess;
}
Result NfcDevice::StopDetection() {
npad_device->SetPollingMode(Core::HID::EmulatedDeviceIndex::RightIndex,
Common::Input::PollingMode::Active);
if (device_state == NFP::DeviceState::Initialized) {
return ResultSuccess;
}
if (device_state == NFP::DeviceState::TagFound ||
device_state == NFP::DeviceState::TagMounted) {
CloseNfcTag();
return ResultSuccess;
}
if (device_state == NFP::DeviceState::SearchingForTag ||
device_state == NFP::DeviceState::TagRemoved) {
device_state = NFP::DeviceState::Initialized;
return ResultSuccess;
}
LOG_ERROR(Service_NFC, "Wrong device state {}", device_state);
return WrongDeviceState;
}
Result NfcDevice::Flush() {
if (device_state != NFP::DeviceState::TagFound &&
device_state != NFP::DeviceState::TagMounted) {
LOG_ERROR(Service_NFC, "Wrong device state {}", device_state);
if (device_state == NFP::DeviceState::TagRemoved) {
return TagRemoved;
}
return WrongDeviceState;
}
if (!npad_device->WriteNfc(tag_data)) {
LOG_ERROR(Service_NFP, "Error writing to file");
return MifareReadError;
}
return ResultSuccess;
}
Result NfcDevice::GetTagInfo(NFP::TagInfo& tag_info, bool is_mifare) const {
if (device_state != NFP::DeviceState::TagFound &&
device_state != NFP::DeviceState::TagMounted) {
LOG_ERROR(Service_NFC, "Wrong device state {}", device_state);
if (device_state == NFP::DeviceState::TagRemoved) {
return TagRemoved;
}
return WrongDeviceState;
}
if (is_mifare) {
tag_info = {
.uuid = encrypted_tag_data.uuid.uid,
.uuid_length = static_cast<u8>(encrypted_tag_data.uuid.uid.size()),
.protocol = NFP::TagProtocol::TypeA,
.tag_type = NFP::TagType::Type4,
};
return ResultSuccess;
}
// Protocol and tag type may change here
tag_info = {
.uuid = encrypted_tag_data.uuid.uid,
.uuid_length = static_cast<u8>(encrypted_tag_data.uuid.uid.size()),
.protocol = NFP::TagProtocol::TypeA,
.tag_type = NFP::TagType::Type2,
};
return ResultSuccess;
}
Result NfcDevice::MifareRead(const NFP::MifareReadBlockParameter& parameter,
NFP::MifareReadBlockData& read_block_data) {
const std::size_t sector_index = parameter.sector_number * sizeof(NFP::DataBlock);
read_block_data.sector_number = parameter.sector_number;
if (device_state != NFP::DeviceState::TagFound &&
device_state != NFP::DeviceState::TagMounted) {
LOG_ERROR(Service_NFC, "Wrong device state {}", device_state);
if (device_state == NFP::DeviceState::TagRemoved) {
return TagRemoved;
}
return WrongDeviceState;
}
if (tag_data.size() < sector_index + sizeof(NFP::DataBlock)) {
return MifareReadError;
}
// TODO: Use parameter.sector_key to read encrypted data
memcpy(read_block_data.data.data(), tag_data.data() + sector_index, sizeof(NFP::DataBlock));
return ResultSuccess;
}
Result NfcDevice::MifareWrite(const NFP::MifareWriteBlockParameter& parameter) {
const std::size_t sector_index = parameter.sector_number * sizeof(NFP::DataBlock);
if (device_state != NFP::DeviceState::TagFound &&
device_state != NFP::DeviceState::TagMounted) {
LOG_ERROR(Service_NFC, "Wrong device state {}", device_state);
if (device_state == NFP::DeviceState::TagRemoved) {
return TagRemoved;
}
return WrongDeviceState;
}
if (tag_data.size() < sector_index + sizeof(NFP::DataBlock)) {
return MifareReadError;
}
// TODO: Use parameter.sector_key to encrypt the data
memcpy(tag_data.data() + sector_index, parameter.data.data(), sizeof(NFP::DataBlock));
return ResultSuccess;
}
u64 NfcDevice::GetHandle() const {
// Generate a handle based of the npad id
return static_cast<u64>(npad_id);
}
NFP::DeviceState NfcDevice::GetCurrentState() const {
return device_state;
}
Core::HID::NpadIdType NfcDevice::GetNpadId() const {
return npad_id;
}
} // namespace Service::NFC

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src/core/hle/service/nfc/nfc_device.h
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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "common/common_types.h"
#include "core/hle/service/kernel_helpers.h"
#include "core/hle/service/nfp/nfp_types.h"
#include "core/hle/service/service.h"
namespace Kernel {
class KEvent;
class KReadableEvent;
} // namespace Kernel
namespace Core {
class System;
} // namespace Core
namespace Core::HID {
class EmulatedController;
enum class ControllerTriggerType;
enum class NpadIdType : u32;
} // namespace Core::HID
namespace Service::NFC {
class NfcDevice {
public:
NfcDevice(Core::HID::NpadIdType npad_id_, Core::System& system_,
KernelHelpers::ServiceContext& service_context_,
Kernel::KEvent* availability_change_event_);
~NfcDevice();
void Initialize();
void Finalize();
Result StartDetection(NFP::TagProtocol allowed_protocol);
Result StopDetection();
Result Flush();
Result GetTagInfo(NFP::TagInfo& tag_info, bool is_mifare) const;
Result MifareRead(const NFP::MifareReadBlockParameter& parameter,
NFP::MifareReadBlockData& read_block_data);
Result MifareWrite(const NFP::MifareWriteBlockParameter& parameter);
u64 GetHandle() const;
NFP::DeviceState GetCurrentState() const;
Core::HID::NpadIdType GetNpadId() const;
Kernel::KReadableEvent& GetActivateEvent() const;
Kernel::KReadableEvent& GetDeactivateEvent() const;
private:
void NpadUpdate(Core::HID::ControllerTriggerType type);
bool LoadNfcTag(std::span<const u8> data);
void CloseNfcTag();
bool is_controller_set{};
int callback_key;
const Core::HID::NpadIdType npad_id;
Core::System& system;
Core::HID::EmulatedController* npad_device = nullptr;
KernelHelpers::ServiceContext& service_context;
Kernel::KEvent* activate_event = nullptr;
Kernel::KEvent* deactivate_event = nullptr;
Kernel::KEvent* availability_change_event = nullptr;
bool is_initalized{};
NFP::TagProtocol allowed_protocols{};
NFP::DeviceState device_state{NFP::DeviceState::Unavailable};
NFP::EncryptedNTAG215File encrypted_tag_data{};
std::vector<u8> tag_data{};
};
} // namespace Service::NFC

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src/core/hle/service/nfc/nfc_user.cpp
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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/logging/log.h"
#include "core/core.h"
#include "core/hid/hid_types.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/service/ipc_helpers.h"
#include "core/hle/service/nfc/nfc_device.h"
#include "core/hle/service/nfc/nfc_result.h"
#include "core/hle/service/nfc/nfc_user.h"
#include "core/hle/service/time/clock_types.h"
namespace Service::NFC {
IUser::IUser(Core::System& system_)
: ServiceFramework{system_, "NFC::IUser"}, service_context{system_, service_name} {
static const FunctionInfo functions[] = {
{0, &IUser::Initialize, "InitializeOld"},
{1, &IUser::Finalize, "FinalizeOld"},
{2, &IUser::GetState, "GetStateOld"},
{3, &IUser::IsNfcEnabled, "IsNfcEnabledOld"},
{400, &IUser::Initialize, "Initialize"},
{401, &IUser::Finalize, "Finalize"},
{402, &IUser::GetState, "GetState"},
{403, &IUser::IsNfcEnabled, "IsNfcEnabled"},
{404, &IUser::ListDevices, "ListDevices"},
{405, &IUser::GetDeviceState, "GetDeviceState"},
{406, &IUser::GetNpadId, "GetNpadId"},
{407, &IUser::AttachAvailabilityChangeEvent, "AttachAvailabilityChangeEvent"},
{408, &IUser::StartDetection, "StartDetection"},
{409, &IUser::StopDetection, "StopDetection"},
{410, &IUser::GetTagInfo, "GetTagInfo"},
{411, &IUser::AttachActivateEvent, "AttachActivateEvent"},
{412, &IUser::AttachDeactivateEvent, "AttachDeactivateEvent"},
{1000, nullptr, "ReadMifare"},
{1001, nullptr, "WriteMifare"},
{1300, &IUser::SendCommandByPassThrough, "SendCommandByPassThrough"},
{1301, nullptr, "KeepPassThroughSession"},
{1302, nullptr, "ReleasePassThroughSession"},
};
RegisterHandlers(functions);
availability_change_event = service_context.CreateEvent("IUser:AvailabilityChangeEvent");
for (u32 device_index = 0; device_index < 10; device_index++) {
devices[device_index] =
std::make_shared<NfcDevice>(Core::HID::IndexToNpadIdType(device_index), system,
service_context, availability_change_event);
}
}
IUser ::~IUser() {
availability_change_event->Close();
}
void IUser::Initialize(HLERequestContext& ctx) {
LOG_INFO(Service_NFC, "called");
state = State::Initialized;
for (auto& device : devices) {
device->Initialize();
}
IPC::ResponseBuilder rb{ctx, 2, 0};
rb.Push(ResultSuccess);
}
void IUser::Finalize(HLERequestContext& ctx) {
LOG_INFO(Service_NFC, "called");
state = State::NonInitialized;
for (auto& device : devices) {
device->Finalize();
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void IUser::GetState(HLERequestContext& ctx) {
LOG_DEBUG(Service_NFC, "called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(state);
}
void IUser::IsNfcEnabled(HLERequestContext& ctx) {
LOG_DEBUG(Service_NFC, "called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(state != State::NonInitialized);
}
void IUser::ListDevices(HLERequestContext& ctx) {
LOG_DEBUG(Service_NFC, "called");
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
if (!ctx.CanWriteBuffer()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(InvalidArgument);
return;
}
if (ctx.GetWriteBufferSize() == 0) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(InvalidArgument);
return;
}
std::vector<u64> nfp_devices;
const std::size_t max_allowed_devices = ctx.GetWriteBufferNumElements<u64>();
for (auto& device : devices) {
if (nfp_devices.size() >= max_allowed_devices) {
continue;
}
if (device->GetCurrentState() != NFP::DeviceState::Unavailable) {
nfp_devices.push_back(device->GetHandle());
}
}
if (nfp_devices.empty()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
ctx.WriteBuffer(nfp_devices);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(static_cast<s32>(nfp_devices.size()));
}
void IUser::GetDeviceState(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle);
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(device.value()->GetCurrentState());
}
void IUser::GetNpadId(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(device.value()->GetNpadId());
}
void IUser::AttachAvailabilityChangeEvent(HLERequestContext& ctx) {
LOG_INFO(Service_NFC, "called");
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(availability_change_event->GetReadableEvent());
}
void IUser::StartDetection(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
const auto nfp_protocol{rp.PopEnum<NFP::TagProtocol>()};
LOG_INFO(Service_NFC, "called, device_handle={}, nfp_protocol={}", device_handle, nfp_protocol);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
const auto result = device.value()->StartDetection(nfp_protocol);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::StopDetection(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_INFO(Service_NFC, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
const auto result = device.value()->StopDetection();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::GetTagInfo(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_INFO(Service_NFC, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
NFP::TagInfo tag_info{};
const auto result = device.value()->GetTagInfo(tag_info, false);
ctx.WriteBuffer(tag_info);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::AttachActivateEvent(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(device.value()->GetActivateEvent());
}
void IUser::AttachDeactivateEvent(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(device.value()->GetDeactivateEvent());
}
void IUser::SendCommandByPassThrough(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
const auto timeout{rp.PopRaw<Time::Clock::TimeSpanType>()};
const auto command_data{ctx.ReadBuffer()};
LOG_INFO(Service_NFC, "(STUBBED) called, device_handle={}, timeout={}, data_size={}",
device_handle, timeout.ToSeconds(), command_data.size());
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfcDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
std::vector<u8> out_data(1);
// TODO: Request data from nfc device
ctx.WriteBuffer(out_data);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(static_cast<u32>(out_data.size()));
}
std::optional<std::shared_ptr<NfcDevice>> IUser::GetNfcDevice(u64 handle) {
for (auto& device : devices) {
if (device->GetHandle() == handle) {
return device;
}
}
return std::nullopt;
}
} // namespace Service::NFC

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src/core/hle/service/nfc/nfc_user.h
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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <memory>
#include <optional>
#include "core/hle/service/kernel_helpers.h"
#include "core/hle/service/service.h"
namespace Service::NFC {
class NfcDevice;
class IUser final : public ServiceFramework<IUser> {
public:
explicit IUser(Core::System& system_);
~IUser();
private:
enum class State : u32 {
NonInitialized,
Initialized,
};
void Initialize(HLERequestContext& ctx);
void Finalize(HLERequestContext& ctx);
void GetState(HLERequestContext& ctx);
void IsNfcEnabled(HLERequestContext& ctx);
void ListDevices(HLERequestContext& ctx);
void GetDeviceState(HLERequestContext& ctx);
void GetNpadId(HLERequestContext& ctx);
void AttachAvailabilityChangeEvent(HLERequestContext& ctx);
void StartDetection(HLERequestContext& ctx);
void StopDetection(HLERequestContext& ctx);
void GetTagInfo(HLERequestContext& ctx);
void AttachActivateEvent(HLERequestContext& ctx);
void AttachDeactivateEvent(HLERequestContext& ctx);
void SendCommandByPassThrough(HLERequestContext& ctx);
std::optional<std::shared_ptr<NfcDevice>> GetNfcDevice(u64 handle);
KernelHelpers::ServiceContext service_context;
std::array<std::shared_ptr<NfcDevice>, 10> devices{};
State state{State::NonInitialized};
Kernel::KEvent* availability_change_event;
};
} // namespace Service::NFC

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src/core/hle/service/nfp/amiibo_crypto.cpp
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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2017 socram8888/amiitool
// SPDX-License-Identifier: MIT
#include <array>
#include <mbedtls/aes.h>
#include <mbedtls/hmac_drbg.h>
#include "common/fs/file.h"
#include "common/fs/fs.h"
#include "common/fs/path_util.h"
#include "common/logging/log.h"
#include "core/hle/service/nfp/amiibo_crypto.h"
namespace Service::NFP::AmiiboCrypto {
bool IsAmiiboValid(const EncryptedNTAG215File& ntag_file) {
const auto& amiibo_data = ntag_file.user_memory;
LOG_DEBUG(Service_NFP, "uuid_lock=0x{0:x}", ntag_file.static_lock);
LOG_DEBUG(Service_NFP, "compability_container=0x{0:x}", ntag_file.compability_container);
LOG_DEBUG(Service_NFP, "write_count={}", static_cast<u16>(amiibo_data.write_counter));
LOG_DEBUG(Service_NFP, "character_id=0x{0:x}", amiibo_data.model_info.character_id);
LOG_DEBUG(Service_NFP, "character_variant={}", amiibo_data.model_info.character_variant);
LOG_DEBUG(Service_NFP, "amiibo_type={}", amiibo_data.model_info.amiibo_type);
LOG_DEBUG(Service_NFP, "model_number=0x{0:x}",
static_cast<u16>(amiibo_data.model_info.model_number));
LOG_DEBUG(Service_NFP, "series={}", amiibo_data.model_info.series);
LOG_DEBUG(Service_NFP, "tag_type=0x{0:x}", amiibo_data.model_info.tag_type);
LOG_DEBUG(Service_NFP, "tag_dynamic_lock=0x{0:x}", ntag_file.dynamic_lock);
LOG_DEBUG(Service_NFP, "tag_CFG0=0x{0:x}", ntag_file.CFG0);
LOG_DEBUG(Service_NFP, "tag_CFG1=0x{0:x}", ntag_file.CFG1);
// Validate UUID
constexpr u8 CT = 0x88; // As defined in `ISO / IEC 14443 - 3`
if ((CT ^ ntag_file.uuid.uid[0] ^ ntag_file.uuid.uid[1] ^ ntag_file.uuid.uid[2]) !=
ntag_file.uuid.uid[3]) {
return false;
}
if ((ntag_file.uuid.uid[4] ^ ntag_file.uuid.uid[5] ^ ntag_file.uuid.uid[6] ^
ntag_file.uuid.nintendo_id) != ntag_file.uuid.lock_bytes[0]) {
return false;
}
// Check against all know constants on an amiibo binary
if (ntag_file.static_lock != 0xE00F) {
return false;
}
if (ntag_file.compability_container != 0xEEFF10F1U) {
return false;
}
if (amiibo_data.constant_value != 0xA5) {
return false;
}
if (amiibo_data.model_info.tag_type != PackedTagType::Type2) {
return false;
}
if ((ntag_file.dynamic_lock & 0xFFFFFF) != 0x0F0001U) {
return false;
}
if (ntag_file.CFG0 != 0x04000000U) {
return false;
}
if (ntag_file.CFG1 != 0x5F) {
return false;
}
return true;
}
bool IsAmiiboValid(const NTAG215File& ntag_file) {
return IsAmiiboValid(EncodedDataToNfcData(ntag_file));
}
NTAG215File NfcDataToEncodedData(const EncryptedNTAG215File& nfc_data) {
NTAG215File encoded_data{};
encoded_data.uid = nfc_data.uuid.uid;
encoded_data.nintendo_id = nfc_data.uuid.nintendo_id;
encoded_data.static_lock = nfc_data.static_lock;
encoded_data.compability_container = nfc_data.compability_container;
encoded_data.hmac_data = nfc_data.user_memory.hmac_data;
encoded_data.constant_value = nfc_data.user_memory.constant_value;
encoded_data.write_counter = nfc_data.user_memory.write_counter;
encoded_data.amiibo_version = nfc_data.user_memory.amiibo_version;
encoded_data.settings = nfc_data.user_memory.settings;
encoded_data.owner_mii = nfc_data.user_memory.owner_mii;
encoded_data.application_id = nfc_data.user_memory.application_id;
encoded_data.application_write_counter = nfc_data.user_memory.application_write_counter;
encoded_data.application_area_id = nfc_data.user_memory.application_area_id;
encoded_data.application_id_byte = nfc_data.user_memory.application_id_byte;
encoded_data.unknown = nfc_data.user_memory.unknown;
encoded_data.mii_extension = nfc_data.user_memory.mii_extension;
encoded_data.unknown2 = nfc_data.user_memory.unknown2;
encoded_data.register_info_crc = nfc_data.user_memory.register_info_crc;
encoded_data.application_area = nfc_data.user_memory.application_area;
encoded_data.hmac_tag = nfc_data.user_memory.hmac_tag;
encoded_data.lock_bytes = nfc_data.uuid.lock_bytes;
encoded_data.model_info = nfc_data.user_memory.model_info;
encoded_data.keygen_salt = nfc_data.user_memory.keygen_salt;
encoded_data.dynamic_lock = nfc_data.dynamic_lock;
encoded_data.CFG0 = nfc_data.CFG0;
encoded_data.CFG1 = nfc_data.CFG1;
encoded_data.password = nfc_data.password;
return encoded_data;
}
EncryptedNTAG215File EncodedDataToNfcData(const NTAG215File& encoded_data) {
EncryptedNTAG215File nfc_data{};
nfc_data.uuid.uid = encoded_data.uid;
nfc_data.uuid.nintendo_id = encoded_data.nintendo_id;
nfc_data.uuid.lock_bytes = encoded_data.lock_bytes;
nfc_data.static_lock = encoded_data.static_lock;
nfc_data.compability_container = encoded_data.compability_container;
nfc_data.user_memory.hmac_data = encoded_data.hmac_data;
nfc_data.user_memory.constant_value = encoded_data.constant_value;
nfc_data.user_memory.write_counter = encoded_data.write_counter;
nfc_data.user_memory.amiibo_version = encoded_data.amiibo_version;
nfc_data.user_memory.settings = encoded_data.settings;
nfc_data.user_memory.owner_mii = encoded_data.owner_mii;
nfc_data.user_memory.application_id = encoded_data.application_id;
nfc_data.user_memory.application_write_counter = encoded_data.application_write_counter;
nfc_data.user_memory.application_area_id = encoded_data.application_area_id;
nfc_data.user_memory.application_id_byte = encoded_data.application_id_byte;
nfc_data.user_memory.unknown = encoded_data.unknown;
nfc_data.user_memory.mii_extension = encoded_data.mii_extension;
nfc_data.user_memory.unknown2 = encoded_data.unknown2;
nfc_data.user_memory.register_info_crc = encoded_data.register_info_crc;
nfc_data.user_memory.application_area = encoded_data.application_area;
nfc_data.user_memory.hmac_tag = encoded_data.hmac_tag;
nfc_data.user_memory.model_info = encoded_data.model_info;
nfc_data.user_memory.keygen_salt = encoded_data.keygen_salt;
nfc_data.dynamic_lock = encoded_data.dynamic_lock;
nfc_data.CFG0 = encoded_data.CFG0;
nfc_data.CFG1 = encoded_data.CFG1;
nfc_data.password = encoded_data.password;
return nfc_data;
}
u32 GetTagPassword(const TagUuid& uuid) {
// Verify that the generated password is correct
u32 password = 0xAA ^ (uuid.uid[1] ^ uuid.uid[3]);
password &= (0x55 ^ (uuid.uid[2] ^ uuid.uid[4])) << 8;
password &= (0xAA ^ (uuid.uid[3] ^ uuid.uid[5])) << 16;
password &= (0x55 ^ (uuid.uid[4] ^ uuid.uid[6])) << 24;
return password;
}
HashSeed GetSeed(const NTAG215File& data) {
HashSeed seed{
.magic = data.write_counter,
.padding = {},
.uid_1 = data.uid,
.nintendo_id_1 = data.nintendo_id,
.uid_2 = data.uid,
.nintendo_id_2 = data.nintendo_id,
.keygen_salt = data.keygen_salt,
};
return seed;
}
std::vector<u8> GenerateInternalKey(const InternalKey& key, const HashSeed& seed) {
const std::size_t seedPart1Len = sizeof(key.magic_bytes) - key.magic_length;
const std::size_t string_size = key.type_string.size();
std::vector<u8> output(string_size + seedPart1Len);
// Copy whole type string
memccpy(output.data(), key.type_string.data(), '\0', string_size);
// Append (16 - magic_length) from the input seed
memcpy(output.data() + string_size, &seed, seedPart1Len);
// Append all bytes from magicBytes
output.insert(output.end(), key.magic_bytes.begin(),
key.magic_bytes.begin() + key.magic_length);
output.insert(output.end(), seed.uid_1.begin(), seed.uid_1.end());
output.emplace_back(seed.nintendo_id_1);
output.insert(output.end(), seed.uid_2.begin(), seed.uid_2.end());
output.emplace_back(seed.nintendo_id_2);
for (std::size_t i = 0; i < sizeof(seed.keygen_salt); i++) {
output.emplace_back(static_cast<u8>(seed.keygen_salt[i] ^ key.xor_pad[i]));
}
return output;
}
void CryptoInit(CryptoCtx& ctx, mbedtls_md_context_t& hmac_ctx, const HmacKey& hmac_key,
const std::vector<u8>& seed) {
// Initialize context
ctx.used = false;
ctx.counter = 0;
ctx.buffer_size = sizeof(ctx.counter) + seed.size();
memcpy(ctx.buffer.data() + sizeof(u16), seed.data(), seed.size());
// Initialize HMAC context
mbedtls_md_init(&hmac_ctx);
mbedtls_md_setup(&hmac_ctx, mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), 1);
mbedtls_md_hmac_starts(&hmac_ctx, hmac_key.data(), hmac_key.size());
}
void CryptoStep(CryptoCtx& ctx, mbedtls_md_context_t& hmac_ctx, DrgbOutput& output) {
// If used at least once, reinitialize the HMAC
if (ctx.used) {
mbedtls_md_hmac_reset(&hmac_ctx);
}
ctx.used = true;
// Store counter in big endian, and increment it
ctx.buffer[0] = static_cast<u8>(ctx.counter >> 8);
ctx.buffer[1] = static_cast<u8>(ctx.counter >> 0);
ctx.counter++;
// Do HMAC magic
mbedtls_md_hmac_update(&hmac_ctx, reinterpret_cast<const unsigned char*>(ctx.buffer.data()),
ctx.buffer_size);
mbedtls_md_hmac_finish(&hmac_ctx, output.data());
}
DerivedKeys GenerateKey(const InternalKey& key, const NTAG215File& data) {
const auto seed = GetSeed(data);
// Generate internal seed
const std::vector<u8> internal_key = GenerateInternalKey(key, seed);
// Initialize context
CryptoCtx ctx{};
mbedtls_md_context_t hmac_ctx;
CryptoInit(ctx, hmac_ctx, key.hmac_key, internal_key);
// Generate derived keys
DerivedKeys derived_keys{};
std::array<DrgbOutput, 2> temp{};
CryptoStep(ctx, hmac_ctx, temp[0]);
CryptoStep(ctx, hmac_ctx, temp[1]);
memcpy(&derived_keys, temp.data(), sizeof(DerivedKeys));
// Cleanup context
mbedtls_md_free(&hmac_ctx);
return derived_keys;
}
void Cipher(const DerivedKeys& keys, const NTAG215File& in_data, NTAG215File& out_data) {
mbedtls_aes_context aes;
std::size_t nc_off = 0;
std::array<u8, sizeof(keys.aes_iv)> nonce_counter{};
std::array<u8, sizeof(keys.aes_iv)> stream_block{};
const auto aes_key_size = static_cast<u32>(keys.aes_key.size() * 8);
mbedtls_aes_setkey_enc(&aes, keys.aes_key.data(), aes_key_size);
memcpy(nonce_counter.data(), keys.aes_iv.data(), sizeof(keys.aes_iv));
constexpr std::size_t encrypted_data_size = HMAC_TAG_START - SETTINGS_START;
mbedtls_aes_crypt_ctr(&aes, encrypted_data_size, &nc_off, nonce_counter.data(),
stream_block.data(),
reinterpret_cast<const unsigned char*>(&in_data.settings),
reinterpret_cast<unsigned char*>(&out_data.settings));
// Copy the rest of the data directly
out_data.uid = in_data.uid;
out_data.nintendo_id = in_data.nintendo_id;
out_data.lock_bytes = in_data.lock_bytes;
out_data.static_lock = in_data.static_lock;
out_data.compability_container = in_data.compability_container;
out_data.constant_value = in_data.constant_value;
out_data.write_counter = in_data.write_counter;
out_data.model_info = in_data.model_info;
out_data.keygen_salt = in_data.keygen_salt;
out_data.dynamic_lock = in_data.dynamic_lock;
out_data.CFG0 = in_data.CFG0;
out_data.CFG1 = in_data.CFG1;
out_data.password = in_data.password;
}
bool LoadKeys(InternalKey& locked_secret, InternalKey& unfixed_info) {
const auto yuzu_keys_dir = Common::FS::GetYuzuPath(Common::FS::YuzuPath::KeysDir);
const Common::FS::IOFile keys_file{yuzu_keys_dir / "key_retail.bin",
Common::FS::FileAccessMode::Read,
Common::FS::FileType::BinaryFile};
if (!keys_file.IsOpen()) {
LOG_ERROR(Service_NFP, "Failed to open key file");
return false;
}
if (keys_file.Read(unfixed_info) != 1) {
LOG_ERROR(Service_NFP, "Failed to read unfixed_info");
return false;
}
if (keys_file.Read(locked_secret) != 1) {
LOG_ERROR(Service_NFP, "Failed to read locked-secret");
return false;
}
return true;
}
bool IsKeyAvailable() {
const auto yuzu_keys_dir = Common::FS::GetYuzuPath(Common::FS::YuzuPath::KeysDir);
return Common::FS::Exists(yuzu_keys_dir / "key_retail.bin");
}
bool DecodeAmiibo(const EncryptedNTAG215File& encrypted_tag_data, NTAG215File& tag_data) {
InternalKey locked_secret{};
InternalKey unfixed_info{};
if (!LoadKeys(locked_secret, unfixed_info)) {
return false;
}
// Generate keys
NTAG215File encoded_data = NfcDataToEncodedData(encrypted_tag_data);
const auto data_keys = GenerateKey(unfixed_info, encoded_data);
const auto tag_keys = GenerateKey(locked_secret, encoded_data);
// Decrypt
Cipher(data_keys, encoded_data, tag_data);
// Regenerate tag HMAC. Note: order matters, data HMAC depends on tag HMAC!
constexpr std::size_t input_length = DYNAMIC_LOCK_START - UUID_START;
mbedtls_md_hmac(mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), tag_keys.hmac_key.data(),
sizeof(HmacKey), reinterpret_cast<const unsigned char*>(&tag_data.uid),
input_length, reinterpret_cast<unsigned char*>(&tag_data.hmac_tag));
// Regenerate data HMAC
constexpr std::size_t input_length2 = DYNAMIC_LOCK_START - WRITE_COUNTER_START;
mbedtls_md_hmac(mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), data_keys.hmac_key.data(),
sizeof(HmacKey),
reinterpret_cast<const unsigned char*>(&tag_data.write_counter), input_length2,
reinterpret_cast<unsigned char*>(&tag_data.hmac_data));
if (tag_data.hmac_data != encrypted_tag_data.user_memory.hmac_data) {
LOG_ERROR(Service_NFP, "hmac_data doesn't match");
return false;
}
if (tag_data.hmac_tag != encrypted_tag_data.user_memory.hmac_tag) {
LOG_ERROR(Service_NFP, "hmac_tag doesn't match");
return false;
}
return true;
}
bool EncodeAmiibo(const NTAG215File& tag_data, EncryptedNTAG215File& encrypted_tag_data) {
InternalKey locked_secret{};
InternalKey unfixed_info{};
if (!LoadKeys(locked_secret, unfixed_info)) {
return false;
}
// Generate keys
const auto data_keys = GenerateKey(unfixed_info, tag_data);
const auto tag_keys = GenerateKey(locked_secret, tag_data);
NTAG215File encoded_tag_data{};
// Generate tag HMAC
constexpr std::size_t input_length = DYNAMIC_LOCK_START - UUID_START;
constexpr std::size_t input_length2 = HMAC_TAG_START - WRITE_COUNTER_START;
mbedtls_md_hmac(mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), tag_keys.hmac_key.data(),
sizeof(HmacKey), reinterpret_cast<const unsigned char*>(&tag_data.uid),
input_length, reinterpret_cast<unsigned char*>(&encoded_tag_data.hmac_tag));
// Init mbedtls HMAC context
mbedtls_md_context_t ctx;
mbedtls_md_init(&ctx);
mbedtls_md_setup(&ctx, mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), 1);
// Generate data HMAC
mbedtls_md_hmac_starts(&ctx, data_keys.hmac_key.data(), sizeof(HmacKey));
mbedtls_md_hmac_update(&ctx, reinterpret_cast<const unsigned char*>(&tag_data.write_counter),
input_length2); // Data
mbedtls_md_hmac_update(&ctx, reinterpret_cast<unsigned char*>(&encoded_tag_data.hmac_tag),
sizeof(HashData)); // Tag HMAC
mbedtls_md_hmac_update(&ctx, reinterpret_cast<const unsigned char*>(&tag_data.uid),
input_length);
mbedtls_md_hmac_finish(&ctx, reinterpret_cast<unsigned char*>(&encoded_tag_data.hmac_data));
// HMAC cleanup
mbedtls_md_free(&ctx);
// Encrypt
Cipher(data_keys, tag_data, encoded_tag_data);
// Convert back to hardware
encrypted_tag_data = EncodedDataToNfcData(encoded_tag_data);
return true;
}
} // namespace Service::NFP::AmiiboCrypto

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src/core/hle/service/nfp/amiibo_crypto.h
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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <array>
#include "core/hle/service/nfp/nfp_types.h"
struct mbedtls_md_context_t;
namespace Service::NFP::AmiiboCrypto {
// Byte locations in Service::NFP::NTAG215File
constexpr std::size_t HMAC_DATA_START = 0x8;
constexpr std::size_t SETTINGS_START = 0x2c;
constexpr std::size_t WRITE_COUNTER_START = 0x29;
constexpr std::size_t HMAC_TAG_START = 0x1B4;
constexpr std::size_t UUID_START = 0x1D4;
constexpr std::size_t DYNAMIC_LOCK_START = 0x208;
using HmacKey = std::array<u8, 0x10>;
using DrgbOutput = std::array<u8, 0x20>;
struct HashSeed {
u16_be magic;
std::array<u8, 0xE> padding;
UniqueSerialNumber uid_1;
u8 nintendo_id_1;
UniqueSerialNumber uid_2;
u8 nintendo_id_2;
std::array<u8, 0x20> keygen_salt;
};
static_assert(sizeof(HashSeed) == 0x40, "HashSeed is an invalid size");
struct InternalKey {
HmacKey hmac_key;
std::array<char, 0xE> type_string;
u8 reserved;
u8 magic_length;
std::array<u8, 0x10> magic_bytes;
std::array<u8, 0x20> xor_pad;
};
static_assert(sizeof(InternalKey) == 0x50, "InternalKey is an invalid size");
static_assert(std::is_trivially_copyable_v<InternalKey>, "InternalKey must be trivially copyable.");
struct CryptoCtx {
std::array<char, 480> buffer;
bool used;
std::size_t buffer_size;
s16 counter;
};
struct DerivedKeys {
std::array<u8, 0x10> aes_key;
std::array<u8, 0x10> aes_iv;
std::array<u8, 0x10> hmac_key;
};
static_assert(sizeof(DerivedKeys) == 0x30, "DerivedKeys is an invalid size");
/// Validates that the amiibo file is not corrupted
bool IsAmiiboValid(const EncryptedNTAG215File& ntag_file);
/// Validates that the amiibo file is not corrupted
bool IsAmiiboValid(const NTAG215File& ntag_file);
/// Converts from encrypted file format to encoded file format
NTAG215File NfcDataToEncodedData(const EncryptedNTAG215File& nfc_data);
/// Converts from encoded file format to encrypted file format
EncryptedNTAG215File EncodedDataToNfcData(const NTAG215File& encoded_data);
/// Returns password needed to allow write access to protected memory
u32 GetTagPassword(const TagUuid& uuid);
// Generates Seed needed for key derivation
HashSeed GetSeed(const NTAG215File& data);
// Middle step on the generation of derived keys
std::vector<u8> GenerateInternalKey(const InternalKey& key, const HashSeed& seed);
// Initializes mbedtls context
void CryptoInit(CryptoCtx& ctx, mbedtls_md_context_t& hmac_ctx, const HmacKey& hmac_key,
const std::vector<u8>& seed);
// Feeds data to mbedtls context to generate the derived key
void CryptoStep(CryptoCtx& ctx, mbedtls_md_context_t& hmac_ctx, DrgbOutput& output);
// Generates the derived key from amiibo data
DerivedKeys GenerateKey(const InternalKey& key, const NTAG215File& data);
// Encodes or decodes amiibo data
void Cipher(const DerivedKeys& keys, const NTAG215File& in_data, NTAG215File& out_data);
/// Loads both amiibo keys from key_retail.bin
bool LoadKeys(InternalKey& locked_secret, InternalKey& unfixed_info);
/// Returns true if key_retail.bin exist
bool IsKeyAvailable();
/// Decodes encrypted amiibo data returns true if output is valid
bool DecodeAmiibo(const EncryptedNTAG215File& encrypted_tag_data, NTAG215File& tag_data);
/// Encodes plain amiibo data returns true if output is valid
bool EncodeAmiibo(const NTAG215File& tag_data, EncryptedNTAG215File& encrypted_tag_data);
} // namespace Service::NFP::AmiiboCrypto

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src/core/hle/service/nfp/nfp_device.cpp
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src/core/hle/service/nfp/nfp_device.h
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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <span>
#include <vector>
#include "common/common_types.h"
#include "core/hle/service/kernel_helpers.h"
#include "core/hle/service/nfp/nfp_types.h"
#include "core/hle/service/service.h"
namespace Kernel {
class KEvent;
class KReadableEvent;
} // namespace Kernel
namespace Core {
class System;
} // namespace Core
namespace Core::HID {
class EmulatedController;
enum class ControllerTriggerType;
enum class NpadIdType : u32;
} // namespace Core::HID
namespace Service::NFP {
class NfpDevice {
public:
NfpDevice(Core::HID::NpadIdType npad_id_, Core::System& system_,
KernelHelpers::ServiceContext& service_context_,
Kernel::KEvent* availability_change_event_);
~NfpDevice();
void Initialize();
void Finalize();
Result StartDetection(TagProtocol allowed_protocol);
Result StopDetection();
Result Mount(MountTarget mount_target);
Result Unmount();
Result Flush();
Result FlushDebug();
Result FlushWithBreak(BreakType break_type);
Result GetTagInfo(TagInfo& tag_info) const;
Result GetCommonInfo(CommonInfo& common_info) const;
Result GetModelInfo(ModelInfo& model_info) const;
Result GetRegisterInfo(RegisterInfo& register_info) const;
Result GetRegisterInfoPrivate(RegisterInfoPrivate& register_info) const;
Result GetAdminInfo(AdminInfo& admin_info) const;
Result DeleteRegisterInfo();
Result SetRegisterInfoPrivate(const AmiiboName& amiibo_name);
Result RestoreAmiibo();
Result Format();
Result OpenApplicationArea(u32 access_id);
Result GetApplicationAreaId(u32& application_area_id) const;
Result GetApplicationArea(std::vector<u8>& data) const;
Result SetApplicationArea(std::span<const u8> data);
Result CreateApplicationArea(u32 access_id, std::span<const u8> data);
Result RecreateApplicationArea(u32 access_id, std::span<const u8> data);
Result DeleteApplicationArea();
Result ExistApplicationArea(bool& has_application_area);
Result GetAll(NfpData& data) const;
Result SetAll(const NfpData& data);
Result BreakTag(BreakType break_type);
Result ReadBackupData();
Result WriteBackupData();
Result WriteNtf();
u64 GetHandle() const;
u32 GetApplicationAreaSize() const;
DeviceState GetCurrentState() const;
Core::HID::NpadIdType GetNpadId() const;
Kernel::KReadableEvent& GetActivateEvent() const;
Kernel::KReadableEvent& GetDeactivateEvent() const;
private:
void NpadUpdate(Core::HID::ControllerTriggerType type);
bool LoadAmiibo(std::span<const u8> data);
void CloseAmiibo();
AmiiboName GetAmiiboName(const AmiiboSettings& settings) const;
void SetAmiiboName(AmiiboSettings& settings, const AmiiboName& amiibo_name);
AmiiboDate GetAmiiboDate(s64 posix_time) const;
u64 RemoveVersionByte(u64 application_id) const;
void UpdateSettingsCrc();
void UpdateRegisterInfoCrc();
bool is_controller_set{};
int callback_key;
const Core::HID::NpadIdType npad_id;
Core::System& system;
Core::HID::EmulatedController* npad_device = nullptr;
KernelHelpers::ServiceContext& service_context;
Kernel::KEvent* activate_event = nullptr;
Kernel::KEvent* deactivate_event = nullptr;
Kernel::KEvent* availability_change_event = nullptr;
bool is_initalized{};
bool is_data_moddified{};
bool is_app_area_open{};
bool is_plain_amiibo{};
TagProtocol allowed_protocols{};
s64 current_posix_time{};
MountTarget mount_target{MountTarget::None};
DeviceState device_state{DeviceState::Unavailable};
NTAG215File tag_data{};
EncryptedNTAG215File encrypted_tag_data{};
};
} // namespace Service::NFP

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src/core/hle/service/nfp/nfp_user.cpp
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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/logging/log.h"
#include "core/core.h"
#include "core/hid/hid_types.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/service/ipc_helpers.h"
#include "core/hle/service/nfp/nfp_device.h"
#include "core/hle/service/nfp/nfp_result.h"
#include "core/hle/service/nfp/nfp_user.h"
namespace Service::NFP {
IUser::IUser(Core::System& system_)
: ServiceFramework{system_, "NFP::IUser"}, service_context{system_, service_name} {
static const FunctionInfo functions[] = {
{0, &IUser::Initialize, "Initialize"},
{1, &IUser::Finalize, "Finalize"},
{2, &IUser::ListDevices, "ListDevices"},
{3, &IUser::StartDetection, "StartDetection"},
{4, &IUser::StopDetection, "StopDetection"},
{5, &IUser::Mount, "Mount"},
{6, &IUser::Unmount, "Unmount"},
{7, &IUser::OpenApplicationArea, "OpenApplicationArea"},
{8, &IUser::GetApplicationArea, "GetApplicationArea"},
{9, &IUser::SetApplicationArea, "SetApplicationArea"},
{10, &IUser::Flush, "Flush"},
{11, &IUser::Restore, "Restore"},
{12, &IUser::CreateApplicationArea, "CreateApplicationArea"},
{13, &IUser::GetTagInfo, "GetTagInfo"},
{14, &IUser::GetRegisterInfo, "GetRegisterInfo"},
{15, &IUser::GetCommonInfo, "GetCommonInfo"},
{16, &IUser::GetModelInfo, "GetModelInfo"},
{17, &IUser::AttachActivateEvent, "AttachActivateEvent"},
{18, &IUser::AttachDeactivateEvent, "AttachDeactivateEvent"},
{19, &IUser::GetState, "GetState"},
{20, &IUser::GetDeviceState, "GetDeviceState"},
{21, &IUser::GetNpadId, "GetNpadId"},
{22, &IUser::GetApplicationAreaSize, "GetApplicationAreaSize"},
{23, &IUser::AttachAvailabilityChangeEvent, "AttachAvailabilityChangeEvent"},
{24, &IUser::RecreateApplicationArea, "RecreateApplicationArea"},
};
RegisterHandlers(functions);
availability_change_event = service_context.CreateEvent("IUser:AvailabilityChangeEvent");
for (u32 device_index = 0; device_index < 10; device_index++) {
devices[device_index] =
std::make_shared<NfpDevice>(Core::HID::IndexToNpadIdType(device_index), system,
service_context, availability_change_event);
}
}
IUser ::~IUser() {
availability_change_event->Close();
}
void IUser::Initialize(HLERequestContext& ctx) {
LOG_INFO(Service_NFP, "called");
state = State::Initialized;
for (auto& device : devices) {
device->Initialize();
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void IUser::Finalize(HLERequestContext& ctx) {
LOG_INFO(Service_NFP, "called");
state = State::NonInitialized;
for (auto& device : devices) {
device->Finalize();
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void IUser::ListDevices(HLERequestContext& ctx) {
LOG_DEBUG(Service_NFP, "called");
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
if (!ctx.CanWriteBuffer()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(InvalidArgument);
return;
}
if (ctx.GetWriteBufferSize() == 0) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(InvalidArgument);
return;
}
std::vector<u64> nfp_devices;
const std::size_t max_allowed_devices = ctx.GetWriteBufferNumElements<u64>();
for (const auto& device : devices) {
if (nfp_devices.size() >= max_allowed_devices) {
continue;
}
if (device->GetCurrentState() != DeviceState::Unavailable) {
nfp_devices.push_back(device->GetHandle());
}
}
if (nfp_devices.empty()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
ctx.WriteBuffer(nfp_devices);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(static_cast<s32>(nfp_devices.size()));
}
void IUser::StartDetection(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
const auto nfp_protocol{rp.PopEnum<TagProtocol>()};
LOG_INFO(Service_NFP, "called, device_handle={}, nfp_protocol={}", device_handle, nfp_protocol);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
const auto result = device.value()->StartDetection(nfp_protocol);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::StopDetection(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_INFO(Service_NFP, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
const auto result = device.value()->StopDetection();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::Mount(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
const auto model_type{rp.PopEnum<ModelType>()};
const auto mount_target{rp.PopEnum<MountTarget>()};
LOG_INFO(Service_NFP, "called, device_handle={}, model_type={}, mount_target={}", device_handle,
model_type, mount_target);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
const auto result = device.value()->Mount(mount_target);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::Unmount(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_INFO(Service_NFP, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
const auto result = device.value()->Unmount();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::OpenApplicationArea(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
const auto access_id{rp.Pop<u32>()};
LOG_INFO(Service_NFP, "called, device_handle={}, access_id={}", device_handle, access_id);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
const auto result = device.value()->OpenApplicationArea(access_id);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::GetApplicationArea(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
const auto data_size = ctx.GetWriteBufferSize();
LOG_INFO(Service_NFP, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
if (!ctx.CanWriteBuffer()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(InvalidArgument);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
std::vector<u8> data(data_size);
const auto result = device.value()->GetApplicationArea(data);
ctx.WriteBuffer(data);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(result);
rb.Push(static_cast<u32>(data_size));
}
void IUser::SetApplicationArea(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
const auto data{ctx.ReadBuffer()};
LOG_INFO(Service_NFP, "called, device_handle={}, data_size={}", device_handle, data.size());
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
if (!ctx.CanReadBuffer()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(InvalidArgument);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
const auto result = device.value()->SetApplicationArea(data);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::Flush(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_INFO(Service_NFP, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
const auto result = device.value()->Flush();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::Restore(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_WARNING(Service_NFP, "(STUBBED) called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
const auto result = device.value()->RestoreAmiibo();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::CreateApplicationArea(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
const auto access_id{rp.Pop<u32>()};
const auto data{ctx.ReadBuffer()};
LOG_INFO(Service_NFP, "called, device_handle={}, data_size={}, access_id={}", device_handle,
access_id, data.size());
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
if (!ctx.CanReadBuffer()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(InvalidArgument);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
const auto result = device.value()->CreateApplicationArea(access_id, data);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::GetTagInfo(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_INFO(Service_NFP, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
TagInfo tag_info{};
const auto result = device.value()->GetTagInfo(tag_info);
ctx.WriteBuffer(tag_info);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::GetRegisterInfo(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_INFO(Service_NFP, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
RegisterInfo register_info{};
const auto result = device.value()->GetRegisterInfo(register_info);
ctx.WriteBuffer(register_info);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::GetCommonInfo(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_INFO(Service_NFP, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
CommonInfo common_info{};
const auto result = device.value()->GetCommonInfo(common_info);
ctx.WriteBuffer(common_info);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::GetModelInfo(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_INFO(Service_NFP, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
ModelInfo model_info{};
const auto result = device.value()->GetModelInfo(model_info);
ctx.WriteBuffer(model_info);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::AttachActivateEvent(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_DEBUG(Service_NFP, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(device.value()->GetActivateEvent());
}
void IUser::AttachDeactivateEvent(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_DEBUG(Service_NFP, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(device.value()->GetDeactivateEvent());
}
void IUser::GetState(HLERequestContext& ctx) {
LOG_DEBUG(Service_NFP, "called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(state);
}
void IUser::GetDeviceState(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_DEBUG(Service_NFP, "called, device_handle={}", device_handle);
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(device.value()->GetCurrentState());
}
void IUser::GetNpadId(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_DEBUG(Service_NFP, "called, device_handle={}", device_handle);
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(device.value()->GetNpadId());
}
void IUser::GetApplicationAreaSize(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
LOG_DEBUG(Service_NFP, "called, device_handle={}", device_handle);
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(device.value()->GetApplicationAreaSize());
}
void IUser::AttachAvailabilityChangeEvent(HLERequestContext& ctx) {
LOG_INFO(Service_NFP, "called");
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(availability_change_event->GetReadableEvent());
}
void IUser::RecreateApplicationArea(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
const auto access_id{rp.Pop<u32>()};
const auto data{ctx.ReadBuffer()};
LOG_INFO(Service_NFP, "called, device_handle={}, data_size={}, access_id={}", device_handle,
access_id, data.size());
if (state == State::NonInitialized) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(NfcDisabled);
return;
}
auto device = GetNfpDevice(device_handle);
if (!device.has_value()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(DeviceNotFound);
return;
}
const auto result = device.value()->RecreateApplicationArea(access_id, data);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
std::optional<std::shared_ptr<NfpDevice>> IUser::GetNfpDevice(u64 handle) {
for (auto& device : devices) {
if (device->GetHandle() == handle) {
return device;
}
}
return std::nullopt;
}
} // namespace Service::NFP

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src/core/hle/service/nfp/nfp_user.h
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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <memory>
#include <optional>
#include "core/hle/service/kernel_helpers.h"
#include "core/hle/service/service.h"
namespace Service::NFP {
class NfpDevice;
class IUser final : public ServiceFramework<IUser> {
public:
explicit IUser(Core::System& system_);
~IUser();
private:
enum class State : u32 {
NonInitialized,
Initialized,
};
void Initialize(HLERequestContext& ctx);
void Finalize(HLERequestContext& ctx);
void ListDevices(HLERequestContext& ctx);
void StartDetection(HLERequestContext& ctx);
void StopDetection(HLERequestContext& ctx);
void Mount(HLERequestContext& ctx);
void Unmount(HLERequestContext& ctx);
void OpenApplicationArea(HLERequestContext& ctx);
void GetApplicationArea(HLERequestContext& ctx);
void SetApplicationArea(HLERequestContext& ctx);
void Flush(HLERequestContext& ctx);
void Restore(HLERequestContext& ctx);
void CreateApplicationArea(HLERequestContext& ctx);
void GetTagInfo(HLERequestContext& ctx);
void GetRegisterInfo(HLERequestContext& ctx);
void GetCommonInfo(HLERequestContext& ctx);
void GetModelInfo(HLERequestContext& ctx);
void AttachActivateEvent(HLERequestContext& ctx);
void AttachDeactivateEvent(HLERequestContext& ctx);
void GetState(HLERequestContext& ctx);
void GetDeviceState(HLERequestContext& ctx);
void GetNpadId(HLERequestContext& ctx);
void GetApplicationAreaSize(HLERequestContext& ctx);
void AttachAvailabilityChangeEvent(HLERequestContext& ctx);
void RecreateApplicationArea(HLERequestContext& ctx);
std::optional<std::shared_ptr<NfpDevice>> GetNfpDevice(u64 handle);
KernelHelpers::ServiceContext service_context;
std::array<std::shared_ptr<NfpDevice>, 10> devices{};
State state{State::NonInitialized};
Kernel::KEvent* availability_change_event;
};
} // namespace Service::NFP

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src/core/hle/service/nvflinger/binder.h
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2014 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/binder/IBinder.h
#pragma once
#include "common/common_types.h"
namespace Kernel {
class HLERequestContext;
class KReadableEvent;
} // namespace Kernel
namespace Service::android {
enum class TransactionId {
RequestBuffer = 1,
SetBufferCount = 2,
DequeueBuffer = 3,
DetachBuffer = 4,
DetachNextBuffer = 5,
AttachBuffer = 6,
QueueBuffer = 7,
CancelBuffer = 8,
Query = 9,
Connect = 10,
Disconnect = 11,
AllocateBuffers = 13,
SetPreallocatedBuffer = 14,
GetBufferHistory = 17,
};
class IBinder {
public:
virtual ~IBinder() = default;
virtual void Transact(Kernel::HLERequestContext& ctx, android::TransactionId code,
u32 flags) = 0;
virtual Kernel::KReadableEvent& GetNativeHandle() = 0;
};
} // namespace Service::android

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src/core/hle/service/nvflinger/buffer_item.h
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2014 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/BufferItem.h
#pragma once
#include <memory>
#include "common/common_types.h"
#include "common/math_util.h"
#include "core/hle/service/nvflinger/ui/fence.h"
#include "core/hle/service/nvflinger/window.h"
namespace Service::android {
class GraphicBuffer;
class BufferItem final {
public:
constexpr BufferItem() = default;
std::shared_ptr<GraphicBuffer> graphic_buffer;
Fence fence;
Common::Rectangle<s32> crop;
NativeWindowTransform transform{};
u32 scaling_mode{};
s64 timestamp{};
bool is_auto_timestamp{};
u64 frame_number{};
// The default value for buf, used to indicate this doesn't correspond to a slot.
static constexpr s32 INVALID_BUFFER_SLOT = -1;
union {
s32 slot{INVALID_BUFFER_SLOT};
s32 buf;
};
bool is_droppable{};
bool acquire_called{};
bool transform_to_display_inverse{};
s32 swap_interval{};
};
} // namespace Service::android

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src/core/hle/service/nvflinger/buffer_item_consumer.cpp
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@ -1,59 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2012 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/libs/gui/BufferItemConsumer.cpp
#include "common/assert.h"
#include "common/logging/log.h"
#include "core/hle/service/nvflinger/buffer_item.h"
#include "core/hle/service/nvflinger/buffer_item_consumer.h"
#include "core/hle/service/nvflinger/buffer_queue_consumer.h"
namespace Service::android {
BufferItemConsumer::BufferItemConsumer(std::unique_ptr<BufferQueueConsumer> consumer_)
: ConsumerBase{std::move(consumer_)} {}
Status BufferItemConsumer::AcquireBuffer(BufferItem* item, std::chrono::nanoseconds present_when,
bool wait_for_fence) {
if (!item) {
return Status::BadValue;
}
std::scoped_lock lock{mutex};
if (const auto status = AcquireBufferLocked(item, present_when); status != Status::NoError) {
if (status != Status::NoBufferAvailable) {
LOG_ERROR(Service_NVFlinger, "Failed to acquire buffer: {}", status);
}
return status;
}
if (wait_for_fence) {
UNIMPLEMENTED();
}
item->graphic_buffer = slots[item->slot].graphic_buffer;
return Status::NoError;
}
Status BufferItemConsumer::ReleaseBuffer(const BufferItem& item, const Fence& release_fence) {
std::scoped_lock lock{mutex};
if (const auto status = AddReleaseFenceLocked(item.buf, item.graphic_buffer, release_fence);
status != Status::NoError) {
LOG_ERROR(Service_NVFlinger, "Failed to add fence: {}", status);
}
if (const auto status = ReleaseBufferLocked(item.buf, item.graphic_buffer);
status != Status::NoError) {
LOG_WARNING(Service_NVFlinger, "Failed to release buffer: {}", status);
return status;
}
return Status::NoError;
}
} // namespace Service::android

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src/core/hle/service/nvflinger/buffer_item_consumer.h
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2012 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/BufferItemConsumer.h
#pragma once
#include <chrono>
#include <memory>
#include "common/common_types.h"
#include "core/hle/service/nvflinger/consumer_base.h"
#include "core/hle/service/nvflinger/status.h"
namespace Service::android {
class BufferItem;
class BufferItemConsumer final : public ConsumerBase {
public:
explicit BufferItemConsumer(std::unique_ptr<BufferQueueConsumer> consumer);
Status AcquireBuffer(BufferItem* item, std::chrono::nanoseconds present_when,
bool wait_for_fence = true);
Status ReleaseBuffer(const BufferItem& item, const Fence& release_fence);
};
} // namespace Service::android

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src/core/hle/service/nvflinger/buffer_queue_consumer.cpp
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2014 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/libs/gui/BufferQueueConsumer.cpp
#include "common/logging/log.h"
#include "core/hle/service/nvdrv/core/nvmap.h"
#include "core/hle/service/nvflinger/buffer_item.h"
#include "core/hle/service/nvflinger/buffer_queue_consumer.h"
#include "core/hle/service/nvflinger/buffer_queue_core.h"
#include "core/hle/service/nvflinger/producer_listener.h"
#include "core/hle/service/nvflinger/ui/graphic_buffer.h"
namespace Service::android {
BufferQueueConsumer::BufferQueueConsumer(std::shared_ptr<BufferQueueCore> core_,
Service::Nvidia::NvCore::NvMap& nvmap_)
: core{std::move(core_)}, slots{core->slots}, nvmap(nvmap_) {}
BufferQueueConsumer::~BufferQueueConsumer() = default;
Status BufferQueueConsumer::AcquireBuffer(BufferItem* out_buffer,
std::chrono::nanoseconds expected_present) {
std::scoped_lock lock{core->mutex};
// Check that the consumer doesn't currently have the maximum number of buffers acquired.
const s32 num_acquired_buffers{
static_cast<s32>(std::count_if(slots.begin(), slots.end(), [](const auto& slot) {
return slot.buffer_state == BufferState::Acquired;
}))};
if (num_acquired_buffers >= core->max_acquired_buffer_count + 1) {
LOG_ERROR(Service_NVFlinger, "max acquired buffer count reached: {} (max {})",
num_acquired_buffers, core->max_acquired_buffer_count);
return Status::InvalidOperation;
}
// Check if the queue is empty.
if (core->queue.empty()) {
return Status::NoBufferAvailable;
}
auto front(core->queue.begin());
// If expected_present is specified, we may not want to return a buffer yet.
if (expected_present.count() != 0) {
constexpr auto MAX_REASONABLE_NSEC = 1000000000LL; // 1 second
// The expected_present argument indicates when the buffer is expected to be presented
// on-screen.
while (core->queue.size() > 1 && !core->queue[0].is_auto_timestamp) {
const auto& buffer_item{core->queue[1]};
// If entry[1] is timely, drop entry[0] (and repeat).
const auto desired_present = buffer_item.timestamp;
if (desired_present < expected_present.count() - MAX_REASONABLE_NSEC ||
desired_present > expected_present.count()) {
// This buffer is set to display in the near future, or desired_present is garbage.
LOG_DEBUG(Service_NVFlinger, "nodrop desire={} expect={}", desired_present,
expected_present.count());
break;
}
LOG_DEBUG(Service_NVFlinger, "drop desire={} expect={} size={}", desired_present,
expected_present.count(), core->queue.size());
if (core->StillTracking(*front)) {
// Front buffer is still in mSlots, so mark the slot as free
slots[front->slot].buffer_state = BufferState::Free;
}
core->queue.erase(front);
front = core->queue.begin();
}
// See if the front buffer is ready to be acquired.
const auto desired_present = front->timestamp;
if (desired_present > expected_present.count() &&
desired_present < expected_present.count() + MAX_REASONABLE_NSEC) {
LOG_DEBUG(Service_NVFlinger, "defer desire={} expect={}", desired_present,
expected_present.count());
return Status::PresentLater;
}
LOG_DEBUG(Service_NVFlinger, "accept desire={} expect={}", desired_present,
expected_present.count());
}
const auto slot = front->slot;
*out_buffer = *front;
LOG_DEBUG(Service_NVFlinger, "acquiring slot={}", slot);
// If the buffer has previously been acquired by the consumer, set graphic_buffer to nullptr to
// avoid unnecessarily remapping this buffer on the consumer side.
if (out_buffer->acquire_called) {
out_buffer->graphic_buffer = nullptr;
}
core->queue.erase(front);
// We might have freed a slot while dropping old buffers, or the producer may be blocked
// waiting for the number of buffers in the queue to decrease.
core->SignalDequeueCondition();
return Status::NoError;
}
Status BufferQueueConsumer::ReleaseBuffer(s32 slot, u64 frame_number, const Fence& release_fence) {
if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) {
LOG_ERROR(Service_NVFlinger, "slot {} out of range", slot);
return Status::BadValue;
}
std::shared_ptr<IProducerListener> listener;
{
std::scoped_lock lock{core->mutex};
// If the frame number has changed because the buffer has been reallocated, we can ignore
// this ReleaseBuffer for the old buffer.
if (frame_number != slots[slot].frame_number) {
return Status::StaleBufferSlot;
}
// Make sure this buffer hasn't been queued while acquired by the consumer.
auto current(core->queue.begin());
while (current != core->queue.end()) {
if (current->slot == slot) {
LOG_ERROR(Service_NVFlinger, "buffer slot {} pending release is currently queued",
slot);
return Status::BadValue;
}
++current;
}
slots[slot].buffer_state = BufferState::Free;
nvmap.FreeHandle(slots[slot].graphic_buffer->BufferId(), true);
listener = core->connected_producer_listener;
LOG_DEBUG(Service_NVFlinger, "releasing slot {}", slot);
core->SignalDequeueCondition();
}
// Call back without lock held
if (listener != nullptr) {
listener->OnBufferReleased();
}
return Status::NoError;
}
Status BufferQueueConsumer::Connect(std::shared_ptr<IConsumerListener> consumer_listener,
bool controlled_by_app) {
if (consumer_listener == nullptr) {
LOG_ERROR(Service_NVFlinger, "consumer_listener may not be nullptr");
return Status::BadValue;
}
LOG_DEBUG(Service_NVFlinger, "controlled_by_app={}", controlled_by_app);
std::scoped_lock lock{core->mutex};
if (core->is_abandoned) {
LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned");
return Status::NoInit;
}
core->consumer_listener = std::move(consumer_listener);
core->consumer_controlled_by_app = controlled_by_app;
return Status::NoError;
}
Status BufferQueueConsumer::GetReleasedBuffers(u64* out_slot_mask) {
if (out_slot_mask == nullptr) {
LOG_ERROR(Service_NVFlinger, "out_slot_mask may not be nullptr");
return Status::BadValue;
}
std::scoped_lock lock{core->mutex};
if (core->is_abandoned) {
LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned");
return Status::NoInit;
}
u64 mask = 0;
for (int s = 0; s < BufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
if (!slots[s].acquire_called) {
mask |= (1ULL << s);
}
}
// Remove from the mask queued buffers for which acquire has been called, since the consumer
// will not receive their buffer addresses and so must retain their cached information
auto current(core->queue.begin());
while (current != core->queue.end()) {
if (current->acquire_called) {
mask &= ~(1ULL << current->slot);
}
++current;
}
LOG_DEBUG(Service_NVFlinger, "returning mask {}", mask);
*out_slot_mask = mask;
return Status::NoError;
}
} // namespace Service::android

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src/core/hle/service/nvflinger/buffer_queue_consumer.h
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@ -1,43 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2014 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/BufferQueueConsumer.h
#pragma once
#include <chrono>
#include <memory>
#include "common/common_types.h"
#include "core/hle/service/nvflinger/buffer_queue_defs.h"
#include "core/hle/service/nvflinger/status.h"
namespace Service::Nvidia::NvCore {
class NvMap;
} // namespace Service::Nvidia::NvCore
namespace Service::android {
class BufferItem;
class BufferQueueCore;
class IConsumerListener;
class BufferQueueConsumer final {
public:
explicit BufferQueueConsumer(std::shared_ptr<BufferQueueCore> core_,
Service::Nvidia::NvCore::NvMap& nvmap_);
~BufferQueueConsumer();
Status AcquireBuffer(BufferItem* out_buffer, std::chrono::nanoseconds expected_present);
Status ReleaseBuffer(s32 slot, u64 frame_number, const Fence& release_fence);
Status Connect(std::shared_ptr<IConsumerListener> consumer_listener, bool controlled_by_app);
Status GetReleasedBuffers(u64* out_slot_mask);
private:
std::shared_ptr<BufferQueueCore> core;
BufferQueueDefs::SlotsType& slots;
Service::Nvidia::NvCore::NvMap& nvmap;
};
} // namespace Service::android

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src/core/hle/service/nvflinger/buffer_queue_core.cpp
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2014 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/libs/gui/BufferQueueCore.cpp
#include "common/assert.h"
#include "core/hle/service/nvflinger/buffer_queue_core.h"
namespace Service::android {
BufferQueueCore::BufferQueueCore() = default;
BufferQueueCore::~BufferQueueCore() = default;
void BufferQueueCore::NotifyShutdown() {
std::scoped_lock lock{mutex};
is_shutting_down = true;
SignalDequeueCondition();
}
void BufferQueueCore::SignalDequeueCondition() {
dequeue_possible.store(true);
dequeue_condition.notify_all();
}
bool BufferQueueCore::WaitForDequeueCondition(std::unique_lock<std::mutex>& lk) {
if (is_shutting_down) {
return false;
}
dequeue_condition.wait(lk, [&] { return dequeue_possible.load(); });
dequeue_possible.store(false);
return true;
}
s32 BufferQueueCore::GetMinUndequeuedBufferCountLocked(bool async) const {
// If DequeueBuffer is allowed to error out, we don't have to add an extra buffer.
if (!use_async_buffer) {
return max_acquired_buffer_count;
}
if (dequeue_buffer_cannot_block || async) {
return max_acquired_buffer_count + 1;
}
return max_acquired_buffer_count;
}
s32 BufferQueueCore::GetMinMaxBufferCountLocked(bool async) const {
return GetMinUndequeuedBufferCountLocked(async) + 1;
}
s32 BufferQueueCore::GetMaxBufferCountLocked(bool async) const {
const auto min_buffer_count = GetMinMaxBufferCountLocked(async);
auto max_buffer_count = std::max(default_max_buffer_count, min_buffer_count);
if (override_max_buffer_count != 0) {
ASSERT(override_max_buffer_count >= min_buffer_count);
max_buffer_count = override_max_buffer_count;
}
// Any buffers that are dequeued by the producer or sitting in the queue waiting to be consumed
// need to have their slots preserved.
for (s32 slot = max_buffer_count; slot < BufferQueueDefs::NUM_BUFFER_SLOTS; ++slot) {
const auto state = slots[slot].buffer_state;
if (state == BufferState::Queued || state == BufferState::Dequeued) {
max_buffer_count = slot + 1;
}
}
return max_buffer_count;
}
s32 BufferQueueCore::GetPreallocatedBufferCountLocked() const {
return static_cast<s32>(std::count_if(slots.begin(), slots.end(),
[](const auto& slot) { return slot.is_preallocated; }));
}
void BufferQueueCore::FreeBufferLocked(s32 slot) {
LOG_DEBUG(Service_NVFlinger, "slot {}", slot);
slots[slot].graphic_buffer.reset();
slots[slot].buffer_state = BufferState::Free;
slots[slot].frame_number = UINT32_MAX;
slots[slot].acquire_called = false;
slots[slot].fence = Fence::NoFence();
}
void BufferQueueCore::FreeAllBuffersLocked() {
buffer_has_been_queued = false;
for (s32 slot = 0; slot < BufferQueueDefs::NUM_BUFFER_SLOTS; ++slot) {
FreeBufferLocked(slot);
}
}
bool BufferQueueCore::StillTracking(const BufferItem& item) const {
const BufferSlot& slot = slots[item.slot];
return (slot.graphic_buffer != nullptr) && (item.graphic_buffer == slot.graphic_buffer);
}
void BufferQueueCore::WaitWhileAllocatingLocked() const {
while (is_allocating) {
is_allocating_condition.wait(mutex);
}
}
} // namespace Service::android

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src/core/hle/service/nvflinger/buffer_queue_core.h
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2014 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/BufferQueueCore.h
#pragma once
#include <condition_variable>
#include <list>
#include <memory>
#include <mutex>
#include <set>
#include <vector>
#include "core/hle/service/nvflinger/buffer_item.h"
#include "core/hle/service/nvflinger/buffer_queue_defs.h"
#include "core/hle/service/nvflinger/pixel_format.h"
#include "core/hle/service/nvflinger/status.h"
#include "core/hle/service/nvflinger/window.h"
namespace Service::android {
class IConsumerListener;
class IProducerListener;
class BufferQueueCore final {
friend class BufferQueueProducer;
friend class BufferQueueConsumer;
public:
static constexpr s32 INVALID_BUFFER_SLOT = BufferItem::INVALID_BUFFER_SLOT;
BufferQueueCore();
~BufferQueueCore();
void NotifyShutdown();
private:
void SignalDequeueCondition();
bool WaitForDequeueCondition(std::unique_lock<std::mutex>& lk);
s32 GetMinUndequeuedBufferCountLocked(bool async) const;
s32 GetMinMaxBufferCountLocked(bool async) const;
s32 GetMaxBufferCountLocked(bool async) const;
s32 GetPreallocatedBufferCountLocked() const;
void FreeBufferLocked(s32 slot);
void FreeAllBuffersLocked();
bool StillTracking(const BufferItem& item) const;
void WaitWhileAllocatingLocked() const;
private:
mutable std::mutex mutex;
bool is_abandoned{};
bool consumer_controlled_by_app{};
std::shared_ptr<IConsumerListener> consumer_listener;
u32 consumer_usage_bit{};
NativeWindowApi connected_api{NativeWindowApi::NoConnectedApi};
std::shared_ptr<IProducerListener> connected_producer_listener;
BufferQueueDefs::SlotsType slots{};
std::vector<BufferItem> queue;
s32 override_max_buffer_count{};
std::condition_variable dequeue_condition;
std::atomic<bool> dequeue_possible{};
const bool use_async_buffer{}; // This is always disabled on HOS
bool dequeue_buffer_cannot_block{};
PixelFormat default_buffer_format{PixelFormat::Rgba8888};
u32 default_width{1};
u32 default_height{1};
s32 default_max_buffer_count{2};
const s32 max_acquired_buffer_count{}; // This is always zero on HOS
bool buffer_has_been_queued{};
u64 frame_counter{};
u32 transform_hint{};
bool is_allocating{};
mutable std::condition_variable_any is_allocating_condition;
bool is_shutting_down{};
};
} // namespace Service::android

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src/core/hle/service/nvflinger/buffer_queue_defs.h
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2014 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/BufferQueueDefs.h
#pragma once
#include <array>
#include "common/common_types.h"
#include "core/hle/service/nvflinger/buffer_slot.h"
namespace Service::android::BufferQueueDefs {
// BufferQueue will keep track of at most this value of buffers.
constexpr s32 NUM_BUFFER_SLOTS = 64;
using SlotsType = std::array<BufferSlot, NUM_BUFFER_SLOTS>;
} // namespace Service::android::BufferQueueDefs

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src/core/hle/service/nvflinger/buffer_queue_producer.cpp
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@ -1,933 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2014 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/libs/gui/BufferQueueProducer.cpp
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/settings.h"
#include "core/core.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/kernel/k_readable_event.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/service/kernel_helpers.h"
#include "core/hle/service/nvdrv/core/nvmap.h"
#include "core/hle/service/nvflinger/buffer_queue_core.h"
#include "core/hle/service/nvflinger/buffer_queue_producer.h"
#include "core/hle/service/nvflinger/consumer_listener.h"
#include "core/hle/service/nvflinger/parcel.h"
#include "core/hle/service/nvflinger/ui/graphic_buffer.h"
#include "core/hle/service/nvflinger/window.h"
#include "core/hle/service/vi/vi.h"
namespace Service::android {
BufferQueueProducer::BufferQueueProducer(Service::KernelHelpers::ServiceContext& service_context_,
std::shared_ptr<BufferQueueCore> buffer_queue_core_,
Service::Nvidia::NvCore::NvMap& nvmap_)
: service_context{service_context_}, core{std::move(buffer_queue_core_)}, slots(core->slots),
nvmap(nvmap_) {
buffer_wait_event = service_context.CreateEvent("BufferQueue:WaitEvent");
}
BufferQueueProducer::~BufferQueueProducer() {
service_context.CloseEvent(buffer_wait_event);
}
Status BufferQueueProducer::RequestBuffer(s32 slot, std::shared_ptr<GraphicBuffer>* buf) {
LOG_DEBUG(Service_NVFlinger, "slot {}", slot);
std::scoped_lock lock{core->mutex};
if (core->is_abandoned) {
LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned");
return Status::NoInit;
}
if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) {
LOG_ERROR(Service_NVFlinger, "slot index {} out of range [0, {})", slot,
BufferQueueDefs::NUM_BUFFER_SLOTS);
return Status::BadValue;
} else if (slots[slot].buffer_state != BufferState::Dequeued) {
LOG_ERROR(Service_NVFlinger, "slot {} is not owned by the producer (state = {})", slot,
slots[slot].buffer_state);
return Status::BadValue;
}
slots[slot].request_buffer_called = true;
*buf = slots[slot].graphic_buffer;
return Status::NoError;
}
Status BufferQueueProducer::SetBufferCount(s32 buffer_count) {
LOG_DEBUG(Service_NVFlinger, "count = {}", buffer_count);
std::shared_ptr<IConsumerListener> listener;
{
std::scoped_lock lock{core->mutex};
core->WaitWhileAllocatingLocked();
if (core->is_abandoned) {
LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned");
return Status::NoInit;
}
if (buffer_count > BufferQueueDefs::NUM_BUFFER_SLOTS) {
LOG_ERROR(Service_NVFlinger, "buffer_count {} too large (max {})", buffer_count,
BufferQueueDefs::NUM_BUFFER_SLOTS);
return Status::BadValue;
}
// There must be no dequeued buffers when changing the buffer count.
for (s32 s{}; s < BufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
if (slots[s].buffer_state == BufferState::Dequeued) {
LOG_ERROR(Service_NVFlinger, "buffer owned by producer");
return Status::BadValue;
}
}
if (buffer_count == 0) {
core->override_max_buffer_count = 0;
core->SignalDequeueCondition();
return Status::NoError;
}
const s32 min_buffer_slots = core->GetMinMaxBufferCountLocked(false);
if (buffer_count < min_buffer_slots) {
LOG_ERROR(Service_NVFlinger, "requested buffer count {} is less than minimum {}",
buffer_count, min_buffer_slots);
return Status::BadValue;
}
// Here we are guaranteed that the producer doesn't have any dequeued buffers and will
// release all of its buffer references.
if (core->GetPreallocatedBufferCountLocked() <= 0) {
core->FreeAllBuffersLocked();
}
core->override_max_buffer_count = buffer_count;
core->SignalDequeueCondition();
buffer_wait_event->Signal();
listener = core->consumer_listener;
}
// Call back without lock held
if (listener != nullptr) {
listener->OnBuffersReleased();
}
return Status::NoError;
}
Status BufferQueueProducer::WaitForFreeSlotThenRelock(bool async, s32* found, Status* return_flags,
std::unique_lock<std::mutex>& lk) const {
bool try_again = true;
while (try_again) {
if (core->is_abandoned) {
LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned");
return Status::NoInit;
}
const s32 max_buffer_count = core->GetMaxBufferCountLocked(async);
if (async && core->override_max_buffer_count) {
if (core->override_max_buffer_count < max_buffer_count) {
LOG_ERROR(Service_NVFlinger, "async mode is invalid with buffer count override");
return Status::BadValue;
}
}
// Free up any buffers that are in slots beyond the max buffer count
for (s32 s = max_buffer_count; s < BufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
ASSERT(slots[s].buffer_state == BufferState::Free);
if (slots[s].graphic_buffer != nullptr) {
core->FreeBufferLocked(s);
*return_flags |= Status::ReleaseAllBuffers;
}
}
// Look for a free buffer to give to the client
*found = BufferQueueCore::INVALID_BUFFER_SLOT;
s32 dequeued_count{};
s32 acquired_count{};
for (s32 s{}; s < max_buffer_count; ++s) {
switch (slots[s].buffer_state) {
case BufferState::Dequeued:
++dequeued_count;
break;
case BufferState::Acquired:
++acquired_count;
break;
case BufferState::Free:
// We return the oldest of the free buffers to avoid stalling the producer if
// possible, since the consumer may still have pending reads of in-flight buffers
if (*found == BufferQueueCore::INVALID_BUFFER_SLOT ||
slots[s].frame_number < slots[*found].frame_number) {
*found = s;
}
break;
default:
break;
}
}
// Producers are not allowed to dequeue more than one buffer if they did not set a buffer
// count
if (!core->override_max_buffer_count && dequeued_count) {
LOG_ERROR(Service_NVFlinger,
"can't dequeue multiple buffers without setting the buffer count");
return Status::InvalidOperation;
}
// See whether a buffer has been queued since the last SetBufferCount so we know whether to
// perform the min undequeued buffers check below
if (core->buffer_has_been_queued) {
// Make sure the producer is not trying to dequeue more buffers than allowed
const s32 new_undequeued_count = max_buffer_count - (dequeued_count + 1);
const s32 min_undequeued_count = core->GetMinUndequeuedBufferCountLocked(async);
if (new_undequeued_count < min_undequeued_count) {
LOG_ERROR(Service_NVFlinger,
"min undequeued buffer count({}) exceeded (dequeued={} undequeued={})",
min_undequeued_count, dequeued_count, new_undequeued_count);
return Status::InvalidOperation;
}
}
// If we disconnect and reconnect quickly, we can be in a state where our slots are empty
// but we have many buffers in the queue. This can cause us to run out of memory if we
// outrun the consumer. Wait here if it looks like we have too many buffers queued up.
const bool too_many_buffers = core->queue.size() > static_cast<size_t>(max_buffer_count);
if (too_many_buffers) {
LOG_ERROR(Service_NVFlinger, "queue size is {}, waiting", core->queue.size());
}
// If no buffer is found, or if the queue has too many buffers outstanding, wait for a
// buffer to be acquired or released, or for the max buffer count to change.
try_again = (*found == BufferQueueCore::INVALID_BUFFER_SLOT) || too_many_buffers;
if (try_again) {
// Return an error if we're in non-blocking mode (producer and consumer are controlled
// by the application).
if (core->dequeue_buffer_cannot_block &&
(acquired_count <= core->max_acquired_buffer_count)) {
return Status::WouldBlock;
}
if (!core->WaitForDequeueCondition(lk)) {
// We are no longer running
return Status::NoError;
}
}
}
return Status::NoError;
}
Status BufferQueueProducer::DequeueBuffer(s32* out_slot, Fence* out_fence, bool async, u32 width,
u32 height, PixelFormat format, u32 usage) {
LOG_DEBUG(Service_NVFlinger, "async={} w={} h={} format={}, usage={}", async ? "true" : "false",
width, height, format, usage);
if ((width != 0 && height == 0) || (width == 0 && height != 0)) {
LOG_ERROR(Service_NVFlinger, "invalid size: w={} h={}", width, height);
return Status::BadValue;
}
Status return_flags = Status::NoError;
bool attached_by_consumer = false;
{
std::unique_lock lock{core->mutex};
core->WaitWhileAllocatingLocked();
if (format == PixelFormat::NoFormat) {
format = core->default_buffer_format;
}
// Enable the usage bits the consumer requested
usage |= core->consumer_usage_bit;
s32 found{};
Status status = WaitForFreeSlotThenRelock(async, &found, &return_flags, lock);
if (status != Status::NoError) {
return status;
}
// This should not happen
if (found == BufferQueueCore::INVALID_BUFFER_SLOT) {
LOG_ERROR(Service_NVFlinger, "no available buffer slots");
return Status::Busy;
}
*out_slot = found;
attached_by_consumer = slots[found].attached_by_consumer;
const bool use_default_size = !width && !height;
if (use_default_size) {
width = core->default_width;
height = core->default_height;
}
slots[found].buffer_state = BufferState::Dequeued;
const std::shared_ptr<GraphicBuffer>& buffer(slots[found].graphic_buffer);
if ((buffer == nullptr) || (buffer->Width() != width) || (buffer->Height() != height) ||
(buffer->Format() != format) || ((buffer->Usage() & usage) != usage)) {
slots[found].acquire_called = false;
slots[found].graphic_buffer = nullptr;
slots[found].request_buffer_called = false;
slots[found].fence = Fence::NoFence();
return_flags |= Status::BufferNeedsReallocation;
}
*out_fence = slots[found].fence;
slots[found].fence = Fence::NoFence();
}
if ((return_flags & Status::BufferNeedsReallocation) != Status::None) {
LOG_DEBUG(Service_NVFlinger, "allocating a new buffer for slot {}", *out_slot);
auto graphic_buffer = std::make_shared<GraphicBuffer>(width, height, format, usage);
if (graphic_buffer == nullptr) {
LOG_ERROR(Service_NVFlinger, "creating GraphicBuffer failed");
return Status::NoMemory;
}
{
std::scoped_lock lock{core->mutex};
if (core->is_abandoned) {
LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned");
return Status::NoInit;
}
slots[*out_slot].frame_number = UINT32_MAX;
slots[*out_slot].graphic_buffer = graphic_buffer;
}
}
if (attached_by_consumer) {
return_flags |= Status::BufferNeedsReallocation;
}
LOG_DEBUG(Service_NVFlinger, "returning slot={} frame={}, flags={}", *out_slot,
slots[*out_slot].frame_number, return_flags);
return return_flags;
}
Status BufferQueueProducer::DetachBuffer(s32 slot) {
LOG_DEBUG(Service_NVFlinger, "slot {}", slot);
std::scoped_lock lock{core->mutex};
if (core->is_abandoned) {
LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned");
return Status::NoInit;
}
if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) {
LOG_ERROR(Service_NVFlinger, "slot {} out of range [0, {})", slot,
BufferQueueDefs::NUM_BUFFER_SLOTS);
return Status::BadValue;
} else if (slots[slot].buffer_state != BufferState::Dequeued) {
LOG_ERROR(Service_NVFlinger, "slot {} is not owned by the producer (state = {})", slot,
slots[slot].buffer_state);
return Status::BadValue;
} else if (!slots[slot].request_buffer_called) {
LOG_ERROR(Service_NVFlinger, "buffer in slot {} has not been requested", slot);
return Status::BadValue;
}
core->FreeBufferLocked(slot);
core->SignalDequeueCondition();
return Status::NoError;
}
Status BufferQueueProducer::DetachNextBuffer(std::shared_ptr<GraphicBuffer>* out_buffer,
Fence* out_fence) {
if (out_buffer == nullptr) {
LOG_ERROR(Service_NVFlinger, "out_buffer must not be nullptr");
return Status::BadValue;
} else if (out_fence == nullptr) {
LOG_ERROR(Service_NVFlinger, "out_fence must not be nullptr");
return Status::BadValue;
}
std::scoped_lock lock{core->mutex};
core->WaitWhileAllocatingLocked();
if (core->is_abandoned) {
LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned");
return Status::NoInit;
}
// Find the oldest valid slot
int found = BufferQueueCore::INVALID_BUFFER_SLOT;
for (int s = 0; s < BufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
if (slots[s].buffer_state == BufferState::Free && slots[s].graphic_buffer != nullptr) {
if (found == BufferQueueCore::INVALID_BUFFER_SLOT ||
slots[s].frame_number < slots[found].frame_number) {
found = s;
}
}
}
if (found == BufferQueueCore::INVALID_BUFFER_SLOT) {
return Status::NoMemory;
}
LOG_DEBUG(Service_NVFlinger, "Detached slot {}", found);
*out_buffer = slots[found].graphic_buffer;
*out_fence = slots[found].fence;
core->FreeBufferLocked(found);
return Status::NoError;
}
Status BufferQueueProducer::AttachBuffer(s32* out_slot,
const std::shared_ptr<GraphicBuffer>& buffer) {
if (out_slot == nullptr) {
LOG_ERROR(Service_NVFlinger, "out_slot must not be nullptr");
return Status::BadValue;
} else if (buffer == nullptr) {
LOG_ERROR(Service_NVFlinger, "Cannot attach nullptr buffer");
return Status::BadValue;
}
std::unique_lock lock{core->mutex};
core->WaitWhileAllocatingLocked();
Status return_flags = Status::NoError;
s32 found{};
const auto status = WaitForFreeSlotThenRelock(false, &found, &return_flags, lock);
if (status != Status::NoError) {
return status;
}
// This should not happen
if (found == BufferQueueCore::INVALID_BUFFER_SLOT) {
LOG_ERROR(Service_NVFlinger, "No available buffer slots");
return Status::Busy;
}
*out_slot = found;
LOG_DEBUG(Service_NVFlinger, "Returning slot {} flags={}", *out_slot, return_flags);
slots[*out_slot].graphic_buffer = buffer;
slots[*out_slot].buffer_state = BufferState::Dequeued;
slots[*out_slot].fence = Fence::NoFence();
slots[*out_slot].request_buffer_called = true;
return return_flags;
}
Status BufferQueueProducer::QueueBuffer(s32 slot, const QueueBufferInput& input,
QueueBufferOutput* output) {
s64 timestamp{};
bool is_auto_timestamp{};
Common::Rectangle<s32> crop;
NativeWindowScalingMode scaling_mode{};
NativeWindowTransform transform;
u32 sticky_transform_{};
bool async{};
s32 swap_interval{};
Fence fence{};
input.Deflate(&timestamp, &is_auto_timestamp, &crop, &scaling_mode, &transform,
&sticky_transform_, &async, &swap_interval, &fence);
switch (scaling_mode) {
case NativeWindowScalingMode::Freeze:
case NativeWindowScalingMode::ScaleToWindow:
case NativeWindowScalingMode::ScaleCrop:
case NativeWindowScalingMode::NoScaleCrop:
break;
default:
LOG_ERROR(Service_NVFlinger, "unknown scaling mode {}", scaling_mode);
return Status::BadValue;
}
std::shared_ptr<IConsumerListener> frame_available_listener;
std::shared_ptr<IConsumerListener> frame_replaced_listener;
s32 callback_ticket{};
BufferItem item;
{
std::scoped_lock lock{core->mutex};
if (core->is_abandoned) {
LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned");
return Status::NoInit;
}
const s32 max_buffer_count = core->GetMaxBufferCountLocked(async);
if (async && core->override_max_buffer_count) {
if (core->override_max_buffer_count < max_buffer_count) {
LOG_ERROR(Service_NVFlinger, "async mode is invalid with "
"buffer count override");
return Status::BadValue;
}
}
if (slot < 0 || slot >= max_buffer_count) {
LOG_ERROR(Service_NVFlinger, "slot index {} out of range [0, {})", slot,
max_buffer_count);
return Status::BadValue;
} else if (slots[slot].buffer_state != BufferState::Dequeued) {
LOG_ERROR(Service_NVFlinger,
"slot {} is not owned by the producer "
"(state = {})",
slot, slots[slot].buffer_state);
return Status::BadValue;
} else if (!slots[slot].request_buffer_called) {
LOG_ERROR(Service_NVFlinger,
"slot {} was queued without requesting "
"a buffer",
slot);
return Status::BadValue;
}
LOG_DEBUG(Service_NVFlinger,
"slot={} frame={} time={} crop=[{},{},{},{}] transform={} scale={}", slot,
core->frame_counter + 1, timestamp, crop.Left(), crop.Top(), crop.Right(),
crop.Bottom(), transform, scaling_mode);
const std::shared_ptr<GraphicBuffer>& graphic_buffer(slots[slot].graphic_buffer);
Common::Rectangle<s32> buffer_rect(graphic_buffer->Width(), graphic_buffer->Height());
Common::Rectangle<s32> cropped_rect;
[[maybe_unused]] const bool unused = crop.Intersect(buffer_rect, &cropped_rect);
if (cropped_rect != crop) {
LOG_ERROR(Service_NVFlinger, "crop rect is not contained within the buffer in slot {}",
slot);
return Status::BadValue;
}
slots[slot].fence = fence;
slots[slot].buffer_state = BufferState::Queued;
++core->frame_counter;
slots[slot].frame_number = core->frame_counter;
item.acquire_called = slots[slot].acquire_called;
item.graphic_buffer = slots[slot].graphic_buffer;
item.crop = crop;
item.transform = transform & ~NativeWindowTransform::InverseDisplay;
item.transform_to_display_inverse =
(transform & NativeWindowTransform::InverseDisplay) != NativeWindowTransform::None;
item.scaling_mode = static_cast<u32>(scaling_mode);
item.timestamp = timestamp;
item.is_auto_timestamp = is_auto_timestamp;
item.frame_number = core->frame_counter;
item.slot = slot;
item.fence = fence;
item.is_droppable = core->dequeue_buffer_cannot_block || async;
item.swap_interval = swap_interval;
nvmap.DuplicateHandle(item.graphic_buffer->BufferId(), true);
sticky_transform = sticky_transform_;
if (core->queue.empty()) {
// When the queue is empty, we can simply queue this buffer
core->queue.push_back(item);
frame_available_listener = core->consumer_listener;
} else {
// When the queue is not empty, we need to look at the front buffer
// state to see if we need to replace it
auto front(core->queue.begin());
if (front->is_droppable) {
// If the front queued buffer is still being tracked, we first
// mark it as freed
if (core->StillTracking(*front)) {
slots[front->slot].buffer_state = BufferState::Free;
// Reset the frame number of the freed buffer so that it is the first in line to
// be dequeued again
slots[front->slot].frame_number = 0;
}
// Overwrite the droppable buffer with the incoming one
*front = item;
frame_replaced_listener = core->consumer_listener;
} else {
core->queue.push_back(item);
frame_available_listener = core->consumer_listener;
}
}
core->buffer_has_been_queued = true;
core->SignalDequeueCondition();
output->Inflate(core->default_width, core->default_height, core->transform_hint,
static_cast<u32>(core->queue.size()));
// Take a ticket for the callback functions
callback_ticket = next_callback_ticket++;
}
// Don't send the GraphicBuffer through the callback, and don't send the slot number, since the
// consumer shouldn't need it
item.graphic_buffer.reset();
item.slot = BufferItem::INVALID_BUFFER_SLOT;
// Call back without the main BufferQueue lock held, but with the callback lock held so we can
// ensure that callbacks occur in order
{
std::scoped_lock lock{callback_mutex};
while (callback_ticket != current_callback_ticket) {
callback_condition.wait(callback_mutex);
}
if (frame_available_listener != nullptr) {
frame_available_listener->OnFrameAvailable(item);
} else if (frame_replaced_listener != nullptr) {
frame_replaced_listener->OnFrameReplaced(item);
}
++current_callback_ticket;
callback_condition.notify_all();
}
return Status::NoError;
}
void BufferQueueProducer::CancelBuffer(s32 slot, const Fence& fence) {
LOG_DEBUG(Service_NVFlinger, "slot {}", slot);
std::scoped_lock lock{core->mutex};
if (core->is_abandoned) {
LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned");
return;
}
if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) {
LOG_ERROR(Service_NVFlinger, "slot index {} out of range [0, {})", slot,
BufferQueueDefs::NUM_BUFFER_SLOTS);
return;
} else if (slots[slot].buffer_state != BufferState::Dequeued) {
LOG_ERROR(Service_NVFlinger, "slot {} is not owned by the producer (state = {})", slot,
slots[slot].buffer_state);
return;
}
slots[slot].buffer_state = BufferState::Free;
slots[slot].frame_number = 0;
slots[slot].fence = fence;
core->SignalDequeueCondition();
buffer_wait_event->Signal();
}
Status BufferQueueProducer::Query(NativeWindow what, s32* out_value) {
std::scoped_lock lock{core->mutex};
if (out_value == nullptr) {
LOG_ERROR(Service_NVFlinger, "outValue was nullptr");
return Status::BadValue;
}
if (core->is_abandoned) {
LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned");
return Status::NoInit;
}
u32 value{};
switch (what) {
case NativeWindow::Width:
value = core->default_width;
break;
case NativeWindow::Height:
value = core->default_height;
break;
case NativeWindow::Format:
value = static_cast<u32>(core->default_buffer_format);
break;
case NativeWindow::MinUndequeedBuffers:
value = core->GetMinUndequeuedBufferCountLocked(false);
break;
case NativeWindow::StickyTransform:
value = sticky_transform;
break;
case NativeWindow::ConsumerRunningBehind:
value = (core->queue.size() > 1);
break;
case NativeWindow::ConsumerUsageBits:
value = core->consumer_usage_bit;
break;
default:
ASSERT(false);
return Status::BadValue;
}
LOG_DEBUG(Service_NVFlinger, "what = {}, value = {}", what, value);
*out_value = static_cast<s32>(value);
return Status::NoError;
}
Status BufferQueueProducer::Connect(const std::shared_ptr<IProducerListener>& listener,
NativeWindowApi api, bool producer_controlled_by_app,
QueueBufferOutput* output) {
std::scoped_lock lock{core->mutex};
LOG_DEBUG(Service_NVFlinger, "api = {} producer_controlled_by_app = {}", api,
producer_controlled_by_app);
if (core->is_abandoned) {
LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned");
return Status::NoInit;
}
if (core->consumer_listener == nullptr) {
LOG_ERROR(Service_NVFlinger, "BufferQueue has no consumer");
return Status::NoInit;
}
if (output == nullptr) {
LOG_ERROR(Service_NVFlinger, "output was nullptr");
return Status::BadValue;
}
if (core->connected_api != NativeWindowApi::NoConnectedApi) {
LOG_ERROR(Service_NVFlinger, "already connected (cur = {} req = {})", core->connected_api,
api);
return Status::BadValue;
}
Status status = Status::NoError;
switch (api) {
case NativeWindowApi::Egl:
case NativeWindowApi::Cpu:
case NativeWindowApi::Media:
case NativeWindowApi::Camera:
core->connected_api = api;
output->Inflate(core->default_width, core->default_height, core->transform_hint,
static_cast<u32>(core->queue.size()));
core->connected_producer_listener = listener;
break;
default:
LOG_ERROR(Service_NVFlinger, "unknown api = {}", api);
status = Status::BadValue;
break;
}
core->buffer_has_been_queued = false;
core->dequeue_buffer_cannot_block =
core->consumer_controlled_by_app && producer_controlled_by_app;
return status;
}
Status BufferQueueProducer::Disconnect(NativeWindowApi api) {
LOG_DEBUG(Service_NVFlinger, "api = {}", api);
Status status = Status::NoError;
std::shared_ptr<IConsumerListener> listener;
{
std::scoped_lock lock{core->mutex};
core->WaitWhileAllocatingLocked();
if (core->is_abandoned) {
// Disconnecting after the surface has been abandoned is a no-op.
return Status::NoError;
}
// HACK: We are not Android. Remove handle for items in queue, and clear queue.
// Allows synchronous destruction of nvmap handles.
for (auto& item : core->queue) {
nvmap.FreeHandle(item.graphic_buffer->BufferId(), true);
}
core->queue.clear();
switch (api) {
case NativeWindowApi::Egl:
case NativeWindowApi::Cpu:
case NativeWindowApi::Media:
case NativeWindowApi::Camera:
if (core->connected_api == api) {
core->FreeAllBuffersLocked();
core->connected_producer_listener = nullptr;
core->connected_api = NativeWindowApi::NoConnectedApi;
core->SignalDequeueCondition();
buffer_wait_event->Signal();
listener = core->consumer_listener;
} else {
LOG_ERROR(Service_NVFlinger, "still connected to another api (cur = {} req = {})",
core->connected_api, api);
status = Status::BadValue;
}
break;
default:
LOG_ERROR(Service_NVFlinger, "unknown api = {}", api);
status = Status::BadValue;
break;
}
}
// Call back without lock held
if (listener != nullptr) {
listener->OnBuffersReleased();
}
return status;
}
Status BufferQueueProducer::SetPreallocatedBuffer(s32 slot,
const std::shared_ptr<GraphicBuffer>& buffer) {
LOG_DEBUG(Service_NVFlinger, "slot {}", slot);
if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) {
return Status::BadValue;
}
std::scoped_lock lock{core->mutex};
slots[slot] = {};
slots[slot].graphic_buffer = buffer;
slots[slot].frame_number = 0;
// Most games preallocate a buffer and pass a valid buffer here. However, it is possible for
// this to be called with an empty buffer, Naruto Ultimate Ninja Storm is a game that does this.
if (buffer) {
slots[slot].is_preallocated = true;
core->override_max_buffer_count = core->GetPreallocatedBufferCountLocked();
core->default_width = buffer->Width();
core->default_height = buffer->Height();
core->default_buffer_format = buffer->Format();
}
core->SignalDequeueCondition();
buffer_wait_event->Signal();
return Status::NoError;
}
void BufferQueueProducer::Transact(Kernel::HLERequestContext& ctx, TransactionId code, u32 flags) {
Status status{Status::NoError};
InputParcel parcel_in{ctx.ReadBuffer()};
OutputParcel parcel_out{};
switch (code) {
case TransactionId::Connect: {
const auto enable_listener = parcel_in.Read<bool>();
const auto api = parcel_in.Read<NativeWindowApi>();
const auto producer_controlled_by_app = parcel_in.Read<bool>();
UNIMPLEMENTED_IF_MSG(enable_listener, "Listener is unimplemented!");
std::shared_ptr<IProducerListener> listener;
QueueBufferOutput output{};
status = Connect(listener, api, producer_controlled_by_app, &output);
parcel_out.Write(output);
break;
}
case TransactionId::SetPreallocatedBuffer: {
const auto slot = parcel_in.Read<s32>();
const auto buffer = parcel_in.ReadObject<GraphicBuffer>();
status = SetPreallocatedBuffer(slot, buffer);
break;
}
case TransactionId::DequeueBuffer: {
const auto is_async = parcel_in.Read<bool>();
const auto width = parcel_in.Read<u32>();
const auto height = parcel_in.Read<u32>();
const auto pixel_format = parcel_in.Read<PixelFormat>();
const auto usage = parcel_in.Read<u32>();
s32 slot{};
Fence fence{};
status = DequeueBuffer(&slot, &fence, is_async, width, height, pixel_format, usage);
parcel_out.Write(slot);
parcel_out.WriteObject(&fence);
break;
}
case TransactionId::RequestBuffer: {
const auto slot = parcel_in.Read<s32>();
std::shared_ptr<GraphicBuffer> buf;
status = RequestBuffer(slot, &buf);
parcel_out.WriteObject(buf);
break;
}
case TransactionId::QueueBuffer: {
const auto slot = parcel_in.Read<s32>();
QueueBufferInput input{parcel_in};
QueueBufferOutput output;
status = QueueBuffer(slot, input, &output);
parcel_out.Write(output);
break;
}
case TransactionId::Query: {
const auto what = parcel_in.Read<NativeWindow>();
s32 value{};
status = Query(what, &value);
parcel_out.Write(value);
break;
}
case TransactionId::CancelBuffer: {
const auto slot = parcel_in.Read<s32>();
const auto fence = parcel_in.ReadFlattened<Fence>();
CancelBuffer(slot, fence);
break;
}
case TransactionId::Disconnect: {
const auto api = parcel_in.Read<NativeWindowApi>();
status = Disconnect(api);
break;
}
case TransactionId::DetachBuffer: {
const auto slot = parcel_in.Read<s32>();
status = DetachBuffer(slot);
break;
}
case TransactionId::SetBufferCount: {
const auto buffer_count = parcel_in.Read<s32>();
status = SetBufferCount(buffer_count);
break;
}
case TransactionId::GetBufferHistory:
LOG_WARNING(Service_NVFlinger, "(STUBBED) called, transaction=GetBufferHistory");
break;
default:
ASSERT_MSG(false, "Unimplemented TransactionId {}", code);
break;
}
parcel_out.Write(status);
ctx.WriteBuffer(parcel_out.Serialize());
}
Kernel::KReadableEvent& BufferQueueProducer::GetNativeHandle() {
return buffer_wait_event->GetReadableEvent();
}
} // namespace Service::android

90
src/core/hle/service/nvflinger/buffer_queue_producer.h
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@ -1,90 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2014 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/BufferQueueProducer.h
#pragma once
#include <condition_variable>
#include <memory>
#include <mutex>
#include "common/common_funcs.h"
#include "core/hle/service/nvdrv/nvdata.h"
#include "core/hle/service/nvflinger/binder.h"
#include "core/hle/service/nvflinger/buffer_queue_defs.h"
#include "core/hle/service/nvflinger/buffer_slot.h"
#include "core/hle/service/nvflinger/graphic_buffer_producer.h"
#include "core/hle/service/nvflinger/pixel_format.h"
#include "core/hle/service/nvflinger/status.h"
#include "core/hle/service/nvflinger/window.h"
namespace Kernel {
class KernelCore;
class KEvent;
class KReadableEvent;
} // namespace Kernel
namespace Service::KernelHelpers {
class ServiceContext;
} // namespace Service::KernelHelpers
namespace Service::Nvidia::NvCore {
class NvMap;
} // namespace Service::Nvidia::NvCore
namespace Service::android {
class BufferQueueCore;
class IProducerListener;
class BufferQueueProducer final : public IBinder {
public:
explicit BufferQueueProducer(Service::KernelHelpers::ServiceContext& service_context_,
std::shared_ptr<BufferQueueCore> buffer_queue_core_,
Service::Nvidia::NvCore::NvMap& nvmap_);
~BufferQueueProducer();
void Transact(Kernel::HLERequestContext& ctx, android::TransactionId code, u32 flags) override;
Kernel::KReadableEvent& GetNativeHandle() override;
public:
Status RequestBuffer(s32 slot, std::shared_ptr<GraphicBuffer>* buf);
Status SetBufferCount(s32 buffer_count);
Status DequeueBuffer(s32* out_slot, android::Fence* out_fence, bool async, u32 width,
u32 height, PixelFormat format, u32 usage);
Status DetachBuffer(s32 slot);
Status DetachNextBuffer(std::shared_ptr<GraphicBuffer>* out_buffer, Fence* out_fence);
Status AttachBuffer(s32* outSlot, const std::shared_ptr<GraphicBuffer>& buffer);
Status QueueBuffer(s32 slot, const QueueBufferInput& input, QueueBufferOutput* output);
void CancelBuffer(s32 slot, const Fence& fence);
Status Query(NativeWindow what, s32* out_value);
Status Connect(const std::shared_ptr<IProducerListener>& listener, NativeWindowApi api,
bool producer_controlled_by_app, QueueBufferOutput* output);
Status Disconnect(NativeWindowApi api);
Status SetPreallocatedBuffer(s32 slot, const std::shared_ptr<GraphicBuffer>& buffer);
private:
BufferQueueProducer(const BufferQueueProducer&) = delete;
Status WaitForFreeSlotThenRelock(bool async, s32* found, Status* return_flags,
std::unique_lock<std::mutex>& lk) const;
Kernel::KEvent* buffer_wait_event{};
Service::KernelHelpers::ServiceContext& service_context;
std::shared_ptr<BufferQueueCore> core;
BufferQueueDefs::SlotsType& slots;
u32 sticky_transform{};
std::mutex callback_mutex;
s32 next_callback_ticket{};
s32 current_callback_ticket{};
std::condition_variable_any callback_condition;
Service::Nvidia::NvCore::NvMap& nvmap;
};
} // namespace Service::android

38
src/core/hle/service/nvflinger/buffer_slot.h
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@ -1,38 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2014 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/BufferSlot.h
#pragma once
#include <memory>
#include "common/common_types.h"
#include "core/hle/service/nvflinger/ui/fence.h"
namespace Service::android {
class GraphicBuffer;
enum class BufferState : u32 {
Free = 0,
Dequeued = 1,
Queued = 2,
Acquired = 3,
};
struct BufferSlot final {
constexpr BufferSlot() = default;
std::shared_ptr<GraphicBuffer> graphic_buffer;
BufferState buffer_state{BufferState::Free};
bool request_buffer_called{};
u64 frame_number{};
Fence fence;
bool acquire_called{};
bool attached_by_consumer{};
bool is_preallocated{};
};
} // namespace Service::android

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src/core/hle/service/nvflinger/buffer_transform_flags.h
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include "common/common_types.h"
namespace Service::android {
enum class BufferTransformFlags : u32 {
/// No transform flags are set
Unset = 0x00,
/// Flip source image horizontally (around the vertical axis)
FlipH = 0x01,
/// Flip source image vertically (around the horizontal axis)
FlipV = 0x02,
/// Rotate source image 90 degrees clockwise
Rotate90 = 0x04,
/// Rotate source image 180 degrees
Rotate180 = 0x03,
/// Rotate source image 270 degrees clockwise
Rotate270 = 0x07,
};
} // namespace Service::android

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src/core/hle/service/nvflinger/consumer_base.cpp
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2010 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/libs/gui/ConsumerBase.cpp
#include "common/assert.h"
#include "common/logging/log.h"
#include "core/hle/service/nvflinger/buffer_item.h"
#include "core/hle/service/nvflinger/buffer_queue_consumer.h"
#include "core/hle/service/nvflinger/buffer_queue_core.h"
#include "core/hle/service/nvflinger/consumer_base.h"
#include "core/hle/service/nvflinger/ui/graphic_buffer.h"
namespace Service::android {
ConsumerBase::ConsumerBase(std::unique_ptr<BufferQueueConsumer> consumer_)
: consumer{std::move(consumer_)} {}
ConsumerBase::~ConsumerBase() {
std::scoped_lock lock{mutex};
ASSERT_MSG(is_abandoned, "consumer is not abandoned!");
}
void ConsumerBase::Connect(bool controlled_by_app) {
consumer->Connect(shared_from_this(), controlled_by_app);
}
void ConsumerBase::FreeBufferLocked(s32 slot_index) {
LOG_DEBUG(Service_NVFlinger, "slot_index={}", slot_index);
slots[slot_index].graphic_buffer = nullptr;
slots[slot_index].fence = Fence::NoFence();
slots[slot_index].frame_number = 0;
}
void ConsumerBase::OnFrameAvailable(const BufferItem& item) {
LOG_DEBUG(Service_NVFlinger, "called");
}
void ConsumerBase::OnFrameReplaced(const BufferItem& item) {
LOG_DEBUG(Service_NVFlinger, "called");
}
void ConsumerBase::OnBuffersReleased() {
std::scoped_lock lock{mutex};
LOG_DEBUG(Service_NVFlinger, "called");
if (is_abandoned) {
// Nothing to do if we're already abandoned.
return;
}
u64 mask = 0;
consumer->GetReleasedBuffers(&mask);
for (int i = 0; i < BufferQueueDefs::NUM_BUFFER_SLOTS; i++) {
if (mask & (1ULL << i)) {
FreeBufferLocked(i);
}
}
}
void ConsumerBase::OnSidebandStreamChanged() {}
Status ConsumerBase::AcquireBufferLocked(BufferItem* item, std::chrono::nanoseconds present_when) {
Status err = consumer->AcquireBuffer(item, present_when);
if (err != Status::NoError) {
return err;
}
if (item->graphic_buffer != nullptr) {
slots[item->slot].graphic_buffer = item->graphic_buffer;
}
slots[item->slot].frame_number = item->frame_number;
slots[item->slot].fence = item->fence;
LOG_DEBUG(Service_NVFlinger, "slot={}", item->slot);
return Status::NoError;
}
Status ConsumerBase::AddReleaseFenceLocked(s32 slot,
const std::shared_ptr<GraphicBuffer>& graphic_buffer,
const Fence& fence) {
LOG_DEBUG(Service_NVFlinger, "slot={}", slot);
// If consumer no longer tracks this graphic_buffer, we can safely
// drop this fence, as it will never be received by the producer.
if (!StillTracking(slot, graphic_buffer)) {
return Status::NoError;
}
slots[slot].fence = fence;
return Status::NoError;
}
Status ConsumerBase::ReleaseBufferLocked(s32 slot,
const std::shared_ptr<GraphicBuffer>& graphic_buffer) {
// If consumer no longer tracks this graphic_buffer (we received a new
// buffer on the same slot), the buffer producer is definitely no longer
// tracking it.
if (!StillTracking(slot, graphic_buffer)) {
return Status::NoError;
}
LOG_DEBUG(Service_NVFlinger, "slot={}", slot);
Status err = consumer->ReleaseBuffer(slot, slots[slot].frame_number, slots[slot].fence);
if (err == Status::StaleBufferSlot) {
FreeBufferLocked(slot);
}
slots[slot].fence = Fence::NoFence();
return err;
}
bool ConsumerBase::StillTracking(s32 slot,
const std::shared_ptr<GraphicBuffer>& graphic_buffer) const {
if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) {
return false;
}
return (slots[slot].graphic_buffer != nullptr &&
slots[slot].graphic_buffer->Handle() == graphic_buffer->Handle());
}
} // namespace Service::android

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src/core/hle/service/nvflinger/consumer_base.h
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2010 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/ConsumerBase.h
#pragma once
#include <array>
#include <chrono>
#include <memory>
#include <mutex>
#include "common/common_types.h"
#include "core/hle/service/nvflinger/buffer_queue_defs.h"
#include "core/hle/service/nvflinger/consumer_listener.h"
#include "core/hle/service/nvflinger/status.h"
namespace Service::android {
class BufferItem;
class BufferQueueConsumer;
class ConsumerBase : public IConsumerListener, public std::enable_shared_from_this<ConsumerBase> {
public:
void Connect(bool controlled_by_app);
protected:
explicit ConsumerBase(std::unique_ptr<BufferQueueConsumer> consumer_);
~ConsumerBase() override;
void OnFrameAvailable(const BufferItem& item) override;
void OnFrameReplaced(const BufferItem& item) override;
void OnBuffersReleased() override;
void OnSidebandStreamChanged() override;
void FreeBufferLocked(s32 slot_index);
Status AcquireBufferLocked(BufferItem* item, std::chrono::nanoseconds present_when);
Status ReleaseBufferLocked(s32 slot, const std::shared_ptr<GraphicBuffer>& graphic_buffer);
bool StillTracking(s32 slot, const std::shared_ptr<GraphicBuffer>& graphic_buffer) const;
Status AddReleaseFenceLocked(s32 slot, const std::shared_ptr<GraphicBuffer>& graphic_buffer,
const Fence& fence);
struct Slot final {
std::shared_ptr<GraphicBuffer> graphic_buffer;
Fence fence;
u64 frame_number{};
};
protected:
std::array<Slot, BufferQueueDefs::NUM_BUFFER_SLOTS> slots;
bool is_abandoned{};
std::unique_ptr<BufferQueueConsumer> consumer;
mutable std::mutex mutex;
};
} // namespace Service::android

26
src/core/hle/service/nvflinger/consumer_listener.h
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2014 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/IConsumerListener.h
#pragma once
namespace Service::android {
class BufferItem;
/// ConsumerListener is the interface through which the BufferQueue notifies the consumer of events
/// that the consumer may wish to react to.
class IConsumerListener {
public:
IConsumerListener() = default;
virtual ~IConsumerListener() = default;
virtual void OnFrameAvailable(const BufferItem& item) = 0;
virtual void OnFrameReplaced(const BufferItem& item) = 0;
virtual void OnBuffersReleased() = 0;
virtual void OnSidebandStreamChanged() = 0;
};
}; // namespace Service::android

18
src/core/hle/service/nvflinger/graphic_buffer_producer.cpp
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2010 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/libs/gui/IGraphicBufferProducer.cpp
#include "core/hle/service/nvflinger/graphic_buffer_producer.h"
#include "core/hle/service/nvflinger/parcel.h"
namespace Service::android {
QueueBufferInput::QueueBufferInput(InputParcel& parcel) {
parcel.ReadFlattened(*this);
}
QueueBufferOutput::QueueBufferOutput() = default;
} // namespace Service::android

76
src/core/hle/service/nvflinger/graphic_buffer_producer.h
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2010 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/IGraphicBufferProducer.h
#pragma once
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/math_util.h"
#include "core/hle/service/nvflinger/ui/fence.h"
#include "core/hle/service/nvflinger/window.h"
namespace Service::android {
class InputParcel;
#pragma pack(push, 1)
struct QueueBufferInput final {
explicit QueueBufferInput(InputParcel& parcel);
void Deflate(s64* timestamp_, bool* is_auto_timestamp_, Common::Rectangle<s32>* crop_,
NativeWindowScalingMode* scaling_mode_, NativeWindowTransform* transform_,
u32* sticky_transform_, bool* async_, s32* swap_interval_, Fence* fence_) const {
*timestamp_ = timestamp;
*is_auto_timestamp_ = static_cast<bool>(is_auto_timestamp);
*crop_ = crop;
*scaling_mode_ = scaling_mode;
*transform_ = transform;
*sticky_transform_ = sticky_transform;
*async_ = static_cast<bool>(async);
*swap_interval_ = swap_interval;
*fence_ = fence;
}
private:
s64 timestamp{};
s32 is_auto_timestamp{};
Common::Rectangle<s32> crop{};
NativeWindowScalingMode scaling_mode{};
NativeWindowTransform transform{};
u32 sticky_transform{};
s32 async{};
s32 swap_interval{};
Fence fence{};
};
#pragma pack(pop)
static_assert(sizeof(QueueBufferInput) == 84, "QueueBufferInput has wrong size");
struct QueueBufferOutput final {
QueueBufferOutput();
void Deflate(u32* width_, u32* height_, u32* transform_hint_, u32* num_pending_buffers_) const {
*width_ = width;
*height_ = height;
*transform_hint_ = transform_hint;
*num_pending_buffers_ = num_pending_buffers;
}
void Inflate(u32 width_, u32 height_, u32 transform_hint_, u32 num_pending_buffers_) {
width = width_;
height = height_;
transform_hint = transform_hint_;
num_pending_buffers = num_pending_buffers_;
}
private:
u32 width{};
u32 height{};
u32 transform_hint{};
u32 num_pending_buffers{};
};
static_assert(sizeof(QueueBufferOutput) == 16, "QueueBufferOutput has wrong size");
} // namespace Service::android

36
src/core/hle/service/nvflinger/hos_binder_driver_server.cpp
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#include <mutex>
#include "common/common_types.h"
#include "core/hle/service/nvflinger/hos_binder_driver_server.h"
namespace Service::NVFlinger {
HosBinderDriverServer::HosBinderDriverServer(Core::System& system_)
: service_context(system_, "HosBinderDriverServer") {}
HosBinderDriverServer::~HosBinderDriverServer() {}
u64 HosBinderDriverServer::RegisterProducer(std::unique_ptr<android::IBinder>&& binder) {
std::scoped_lock lk{lock};
last_id++;
producers[last_id] = std::move(binder);
return last_id;
}
android::IBinder* HosBinderDriverServer::TryGetProducer(u64 id) {
std::scoped_lock lk{lock};
if (auto search = producers.find(id); search != producers.end()) {
return search->second.get();
}
return {};
}
} // namespace Service::NVFlinger

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src/core/hle/service/nvflinger/hos_binder_driver_server.h
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <memory>
#include <mutex>
#include <unordered_map>
#include "common/common_types.h"
#include "core/hle/service/kernel_helpers.h"
#include "core/hle/service/nvflinger/binder.h"
namespace Core {
class System;
}
namespace Service::NVFlinger {
class HosBinderDriverServer final {
public:
explicit HosBinderDriverServer(Core::System& system_);
~HosBinderDriverServer();
u64 RegisterProducer(std::unique_ptr<android::IBinder>&& binder);
android::IBinder* TryGetProducer(u64 id);
private:
KernelHelpers::ServiceContext service_context;
std::unordered_map<u64, std::unique_ptr<android::IBinder>> producers;
std::mutex lock;
u64 last_id{};
};
} // namespace Service::NVFlinger

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src/core/hle/service/nvflinger/nvflinger.cpp
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#include <algorithm>
#include <optional>
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/microprofile.h"
#include "common/scope_exit.h"
#include "common/settings.h"
#include "common/thread.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/hle/kernel/k_readable_event.h"
#include "core/hle/service/nvdrv/devices/nvdisp_disp0.h"
#include "core/hle/service/nvdrv/nvdrv.h"
#include "core/hle/service/nvflinger/buffer_item_consumer.h"
#include "core/hle/service/nvflinger/buffer_queue_core.h"
#include "core/hle/service/nvflinger/hos_binder_driver_server.h"
#include "core/hle/service/nvflinger/nvflinger.h"
#include "core/hle/service/nvflinger/ui/graphic_buffer.h"
#include "core/hle/service/vi/display/vi_display.h"
#include "core/hle/service/vi/layer/vi_layer.h"
#include "core/hle/service/vi/vi_results.h"
#include "video_core/gpu.h"
#include "video_core/host1x/host1x.h"
#include "video_core/host1x/syncpoint_manager.h"
namespace Service::NVFlinger {
constexpr auto frame_ns = std::chrono::nanoseconds{1000000000 / 60};
void NVFlinger::SplitVSync(std::stop_token stop_token) {
system.RegisterHostThread();
std::string name = "VSyncThread";
MicroProfileOnThreadCreate(name.c_str());
// Cleanup
SCOPE_EXIT({ MicroProfileOnThreadExit(); });
Common::SetCurrentThreadName(name.c_str());
Common::SetCurrentThreadPriority(Common::ThreadPriority::High);
while (!stop_token.stop_requested()) {
vsync_signal.wait(false);
vsync_signal.store(false);
guard->lock();
Compose();
guard->unlock();
}
}
NVFlinger::NVFlinger(Core::System& system_, HosBinderDriverServer& hos_binder_driver_server_)
: system(system_), service_context(system_, "nvflinger"),
hos_binder_driver_server(hos_binder_driver_server_) {
displays.emplace_back(0, "Default", hos_binder_driver_server, service_context, system);
displays.emplace_back(1, "External", hos_binder_driver_server, service_context, system);
displays.emplace_back(2, "Edid", hos_binder_driver_server, service_context, system);
displays.emplace_back(3, "Internal", hos_binder_driver_server, service_context, system);
displays.emplace_back(4, "Null", hos_binder_driver_server, service_context, system);
guard = std::make_shared<std::mutex>();
// Schedule the screen composition events
multi_composition_event = Core::Timing::CreateEvent(
"ScreenComposition",
[this](std::uintptr_t, s64 time,
std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
vsync_signal.store(true);
vsync_signal.notify_all();
return std::chrono::nanoseconds(GetNextTicks());
});
single_composition_event = Core::Timing::CreateEvent(
"ScreenComposition",
[this](std::uintptr_t, s64 time,
std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
const auto lock_guard = Lock();
Compose();
return std::chrono::nanoseconds(GetNextTicks());
});
if (system.IsMulticore()) {
system.CoreTiming().ScheduleLoopingEvent(frame_ns, frame_ns, multi_composition_event);
vsync_thread = std::jthread([this](std::stop_token token) { SplitVSync(token); });
} else {
system.CoreTiming().ScheduleLoopingEvent(frame_ns, frame_ns, single_composition_event);
}
}
NVFlinger::~NVFlinger() {
if (system.IsMulticore()) {
system.CoreTiming().UnscheduleEvent(multi_composition_event, {});
vsync_thread.request_stop();
vsync_signal.store(true);
vsync_signal.notify_all();
} else {
system.CoreTiming().UnscheduleEvent(single_composition_event, {});
}
ShutdownLayers();
if (nvdrv) {
nvdrv->Close(disp_fd);
}
}
void NVFlinger::ShutdownLayers() {
for (auto& display : displays) {
for (size_t layer = 0; layer < display.GetNumLayers(); ++layer) {
display.GetLayer(layer).Core().NotifyShutdown();
}
}
}
void NVFlinger::SetNVDrvInstance(std::shared_ptr<Nvidia::Module> instance) {
nvdrv = std::move(instance);
disp_fd = nvdrv->Open("/dev/nvdisp_disp0");
}
std::optional<u64> NVFlinger::OpenDisplay(std::string_view name) {
const auto lock_guard = Lock();
LOG_DEBUG(Service_NVFlinger, "Opening \"{}\" display", name);
const auto itr =
std::find_if(displays.begin(), displays.end(),
[&](const VI::Display& display) { return display.GetName() == name; });
if (itr == displays.end()) {
return std::nullopt;
}
return itr->GetID();
}
bool NVFlinger::CloseDisplay(u64 display_id) {
const auto lock_guard = Lock();
auto* const display = FindDisplay(display_id);
if (display == nullptr) {
return false;
}
display->Reset();
return true;
}
std::optional<u64> NVFlinger::CreateLayer(u64 display_id) {
const auto lock_guard = Lock();
auto* const display = FindDisplay(display_id);
if (display == nullptr) {
return std::nullopt;
}
const u64 layer_id = next_layer_id++;
CreateLayerAtId(*display, layer_id);
return layer_id;
}
void NVFlinger::CreateLayerAtId(VI::Display& display, u64 layer_id) {
const auto buffer_id = next_buffer_queue_id++;
display.CreateLayer(layer_id, buffer_id, nvdrv->container);
}
void NVFlinger::CloseLayer(u64 layer_id) {
const auto lock_guard = Lock();
for (auto& display : displays) {
display.CloseLayer(layer_id);
}
}
std::optional<u32> NVFlinger::FindBufferQueueId(u64 display_id, u64 layer_id) {
const auto lock_guard = Lock();
const auto* const layer = FindOrCreateLayer(display_id, layer_id);
if (layer == nullptr) {
return std::nullopt;
}
return layer->GetBinderId();
}
ResultVal<Kernel::KReadableEvent*> NVFlinger::FindVsyncEvent(u64 display_id) {
const auto lock_guard = Lock();
auto* const display = FindDisplay(display_id);
if (display == nullptr) {
return VI::ResultNotFound;
}
return display->GetVSyncEvent();
}
VI::Display* NVFlinger::FindDisplay(u64 display_id) {
const auto itr =
std::find_if(displays.begin(), displays.end(),
[&](const VI::Display& display) { return display.GetID() == display_id; });
if (itr == displays.end()) {
return nullptr;
}
return &*itr;
}
const VI::Display* NVFlinger::FindDisplay(u64 display_id) const {
const auto itr =
std::find_if(displays.begin(), displays.end(),
[&](const VI::Display& display) { return display.GetID() == display_id; });
if (itr == displays.end()) {
return nullptr;
}
return &*itr;
}
VI::Layer* NVFlinger::FindLayer(u64 display_id, u64 layer_id) {
auto* const display = FindDisplay(display_id);
if (display == nullptr) {
return nullptr;
}
return display->FindLayer(layer_id);
}
const VI::Layer* NVFlinger::FindLayer(u64 display_id, u64 layer_id) const {
const auto* const display = FindDisplay(display_id);
if (display == nullptr) {
return nullptr;
}
return display->FindLayer(layer_id);
}
VI::Layer* NVFlinger::FindOrCreateLayer(u64 display_id, u64 layer_id) {
auto* const display = FindDisplay(display_id);
if (display == nullptr) {
return nullptr;
}
auto* layer = display->FindLayer(layer_id);
if (layer == nullptr) {
LOG_DEBUG(Service_NVFlinger, "Layer at id {} not found. Trying to create it.", layer_id);
CreateLayerAtId(*display, layer_id);
return display->FindLayer(layer_id);
}
return layer;
}
void NVFlinger::Compose() {
for (auto& display : displays) {
// Trigger vsync for this display at the end of drawing
SCOPE_EXIT({ display.SignalVSyncEvent(); });
// Don't do anything for displays without layers.
if (!display.HasLayers())
continue;
// TODO(Subv): Support more than 1 layer.
VI::Layer& layer = display.GetLayer(0);
android::BufferItem buffer{};
const auto status = layer.GetConsumer().AcquireBuffer(&buffer, {}, false);
if (status != android::Status::NoError) {
continue;
}
const auto& igbp_buffer = *buffer.graphic_buffer;
if (!system.IsPoweredOn()) {
return; // We are likely shutting down
}
// Now send the buffer to the GPU for drawing.
// TODO(Subv): Support more than just disp0. The display device selection is probably based
// on which display we're drawing (Default, Internal, External, etc)
auto nvdisp = nvdrv->GetDevice<Nvidia::Devices::nvdisp_disp0>(disp_fd);
ASSERT(nvdisp);
guard->unlock();
Common::Rectangle<int> crop_rect{
static_cast<int>(buffer.crop.Left()), static_cast<int>(buffer.crop.Top()),
static_cast<int>(buffer.crop.Right()), static_cast<int>(buffer.crop.Bottom())};
nvdisp->flip(igbp_buffer.BufferId(), igbp_buffer.Offset(), igbp_buffer.ExternalFormat(),
igbp_buffer.Width(), igbp_buffer.Height(), igbp_buffer.Stride(),
static_cast<android::BufferTransformFlags>(buffer.transform), crop_rect,
buffer.fence.fences, buffer.fence.num_fences);
MicroProfileFlip();
guard->lock();
swap_interval = buffer.swap_interval;
layer.GetConsumer().ReleaseBuffer(buffer, android::Fence::NoFence());
}
}
s64 NVFlinger::GetNextTicks() const {
const auto& settings = Settings::values;
auto speed_scale = 1.f;
if (settings.use_multi_core.GetValue()) {
if (settings.use_speed_limit.GetValue()) {
// Scales the speed based on speed_limit setting on MC. SC is handled by
// SpeedLimiter::DoSpeedLimiting.
speed_scale = 100.f / settings.speed_limit.GetValue();
} else {
// Run at unlocked framerate.
speed_scale = 0.01f;
}
}
// As an extension, treat nonpositive swap interval as framerate multiplier.
const f32 effective_fps = swap_interval <= 0 ? 120.f * static_cast<f32>(1 - swap_interval)
: 60.f / static_cast<f32>(swap_interval);
return static_cast<s64>(speed_scale * (1000000000.f / effective_fps));
}
} // namespace Service::NVFlinger

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src/core/hle/service/nvflinger/nvflinger.h
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <list>
#include <memory>
#include <mutex>
#include <optional>
#include <thread>
#include <vector>
#include "common/common_types.h"
#include "common/polyfill_thread.h"
#include "core/hle/result.h"
#include "core/hle/service/kernel_helpers.h"
namespace Common {
class Event;
} // namespace Common
namespace Core::Timing {
class CoreTiming;
struct EventType;
} // namespace Core::Timing
namespace Kernel {
class KReadableEvent;
} // namespace Kernel
namespace Service::Nvidia {
class Module;
} // namespace Service::Nvidia
namespace Service::VI {
class Display;
class Layer;
} // namespace Service::VI
namespace Service::android {
class BufferQueueCore;
class BufferQueueProducer;
} // namespace Service::android
namespace Service::NVFlinger {
class NVFlinger final {
public:
explicit NVFlinger(Core::System& system_, HosBinderDriverServer& hos_binder_driver_server_);
~NVFlinger();
void ShutdownLayers();
/// Sets the NVDrv module instance to use to send buffers to the GPU.
void SetNVDrvInstance(std::shared_ptr<Nvidia::Module> instance);
/// Opens the specified display and returns the ID.
///
/// If an invalid display name is provided, then an empty optional is returned.
[[nodiscard]] std::optional<u64> OpenDisplay(std::string_view name);
/// Closes the specified display by its ID.
///
/// Returns false if an invalid display ID is provided.
[[nodiscard]] bool CloseDisplay(u64 display_id);
/// Creates a layer on the specified display and returns the layer ID.
///
/// If an invalid display ID is specified, then an empty optional is returned.
[[nodiscard]] std::optional<u64> CreateLayer(u64 display_id);
/// Closes a layer on all displays for the given layer ID.
void CloseLayer(u64 layer_id);
/// Finds the buffer queue ID of the specified layer in the specified display.
///
/// If an invalid display ID or layer ID is provided, then an empty optional is returned.
[[nodiscard]] std::optional<u32> FindBufferQueueId(u64 display_id, u64 layer_id);
/// Gets the vsync event for the specified display.
///
/// If an invalid display ID is provided, then VI::ResultNotFound is returned.
/// If the vsync event has already been retrieved, then VI::ResultPermissionDenied is returned.
[[nodiscard]] ResultVal<Kernel::KReadableEvent*> FindVsyncEvent(u64 display_id);
/// Performs a composition request to the emulated nvidia GPU and triggers the vsync events when
/// finished.
void Compose();
[[nodiscard]] s64 GetNextTicks() const;
private:
struct Layer {
std::unique_ptr<android::BufferQueueCore> core;
std::unique_ptr<android::BufferQueueProducer> producer;
};
private:
[[nodiscard]] std::unique_lock<std::mutex> Lock() const {
return std::unique_lock{*guard};
}
/// Finds the display identified by the specified ID.
[[nodiscard]] VI::Display* FindDisplay(u64 display_id);
/// Finds the display identified by the specified ID.
[[nodiscard]] const VI::Display* FindDisplay(u64 display_id) const;
/// Finds the layer identified by the specified ID in the desired display.
[[nodiscard]] VI::Layer* FindLayer(u64 display_id, u64 layer_id);
/// Finds the layer identified by the specified ID in the desired display.
[[nodiscard]] const VI::Layer* FindLayer(u64 display_id, u64 layer_id) const;
/// Finds the layer identified by the specified ID in the desired display,
/// or creates the layer if it is not found.
/// To be used when the system expects the specified ID to already exist.
[[nodiscard]] VI::Layer* FindOrCreateLayer(u64 display_id, u64 layer_id);
/// Creates a layer with the specified layer ID in the desired display.
void CreateLayerAtId(VI::Display& display, u64 layer_id);
void SplitVSync(std::stop_token stop_token);
std::shared_ptr<Nvidia::Module> nvdrv;
s32 disp_fd;
std::list<VI::Display> displays;
/// Id to use for the next layer that is created, this counter is shared among all displays.
u64 next_layer_id = 1;
/// Id to use for the next buffer queue that is created, this counter is shared among all
/// layers.
u32 next_buffer_queue_id = 1;
s32 swap_interval = 1;
/// Event that handles screen composition.
std::shared_ptr<Core::Timing::EventType> multi_composition_event;
std::shared_ptr<Core::Timing::EventType> single_composition_event;
std::shared_ptr<std::mutex> guard;
Core::System& system;
std::atomic<bool> vsync_signal;
std::jthread vsync_thread;
KernelHelpers::ServiceContext service_context;
HosBinderDriverServer& hos_binder_driver_server;
};
} // namespace Service::NVFlinger

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src/core/hle/service/nvflinger/parcel.h
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <memory>
#include <span>
#include <vector>
#include "common/alignment.h"
#include "common/assert.h"
#include "common/common_types.h"
namespace Service::android {
struct ParcelHeader {
u32 data_size;
u32 data_offset;
u32 objects_size;
u32 objects_offset;
};
static_assert(sizeof(ParcelHeader) == 16, "ParcelHeader has wrong size");
class InputParcel final {
public:
explicit InputParcel(std::span<const u8> in_data) : read_buffer(std::move(in_data)) {
DeserializeHeader();
[[maybe_unused]] const std::u16string token = ReadInterfaceToken();
}
template <typename T>
void Read(T& val) {
static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable.");
ASSERT(read_index + sizeof(T) <= read_buffer.size());
std::memcpy(&val, read_buffer.data() + read_index, sizeof(T));
read_index += sizeof(T);
read_index = Common::AlignUp(read_index, 4);
}
template <typename T>
T Read() {
T val;
Read(val);
return val;
}
template <typename T>
void ReadFlattened(T& val) {
const auto flattened_size = Read<s64>();
ASSERT(sizeof(T) == flattened_size);
Read(val);
}
template <typename T>
T ReadFlattened() {
T val;
ReadFlattened(val);
return val;
}
template <typename T>
T ReadUnaligned() {
static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable.");
ASSERT(read_index + sizeof(T) <= read_buffer.size());
T val;
std::memcpy(&val, read_buffer.data() + read_index, sizeof(T));
read_index += sizeof(T);
return val;
}
template <typename T>
const std::shared_ptr<T> ReadObject() {
static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable.");
const auto is_valid{Read<bool>()};
if (is_valid) {
auto result = std::make_shared<T>();
ReadFlattened(*result);
return result;
}
return {};
}
std::u16string ReadInterfaceToken() {
[[maybe_unused]] const u32 unknown = Read<u32>();
const u32 length = Read<u32>();
std::u16string token;
token.reserve(length + 1);
for (u32 ch = 0; ch < length + 1; ++ch) {
token.push_back(ReadUnaligned<u16>());
}
read_index = Common::AlignUp(read_index, 4);
return token;
}
void DeserializeHeader() {
ASSERT(read_buffer.size() > sizeof(ParcelHeader));
ParcelHeader header{};
std::memcpy(&header, read_buffer.data(), sizeof(ParcelHeader));
read_index = header.data_offset;
}
private:
std::span<const u8> read_buffer;
std::size_t read_index = 0;
};
class OutputParcel final {
public:
static constexpr std::size_t DefaultBufferSize = 0x40;
OutputParcel() : buffer(DefaultBufferSize) {}
template <typename T>
explicit OutputParcel(const T& out_data) : buffer(DefaultBufferSize) {
Write(out_data);
}
template <typename T>
void Write(const T& val) {
static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable.");
if (buffer.size() < write_index + sizeof(T)) {
buffer.resize(buffer.size() + sizeof(T) + DefaultBufferSize);
}
std::memcpy(buffer.data() + write_index, &val, sizeof(T));
write_index += sizeof(T);
write_index = Common::AlignUp(write_index, 4);
}
template <typename T>
void WriteObject(const T* ptr) {
static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable.");
if (!ptr) {
Write<u32>(0);
return;
}
Write<u32>(1);
Write<s64>(sizeof(T));
Write(*ptr);
}
template <typename T>
void WriteObject(const std::shared_ptr<T> ptr) {
WriteObject(ptr.get());
}
std::vector<u8> Serialize() const {
ParcelHeader header{};
header.data_size = static_cast<u32>(write_index - sizeof(ParcelHeader));
header.data_offset = sizeof(ParcelHeader);
header.objects_size = 4;
header.objects_offset = static_cast<u32>(sizeof(ParcelHeader) + header.data_size);
std::memcpy(buffer.data(), &header, sizeof(ParcelHeader));
return buffer;
}
private:
mutable std::vector<u8> buffer;
std::size_t write_index = sizeof(ParcelHeader);
};
} // namespace Service::android

21
src/core/hle/service/nvflinger/pixel_format.h
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@ -1,21 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include "common/common_types.h"
namespace Service::android {
enum class PixelFormat : u32 {
NoFormat = 0,
Rgba8888 = 1,
Rgbx8888 = 2,
Rgb888 = 3,
Rgb565 = 4,
Bgra8888 = 5,
Rgba5551 = 6,
Rgba4444 = 7,
};
} // namespace Service::android

17
src/core/hle/service/nvflinger/producer_listener.h
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@ -1,17 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2014 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/IProducerListener.h
#pragma once
namespace Service::android {
class IProducerListener {
public:
virtual ~IProducerListener() = default;
virtual void OnBufferReleased() = 0;
};
} // namespace Service::android

28
src/core/hle/service/nvflinger/status.h
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@ -1,28 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include "common/common_funcs.h"
#include "common/common_types.h"
namespace Service::android {
enum class Status : s32 {
None = 0,
NoError = 0,
StaleBufferSlot = 1,
NoBufferAvailable = 2,
PresentLater = 3,
WouldBlock = -11,
NoMemory = -12,
Busy = -16,
NoInit = -19,
BadValue = -22,
InvalidOperation = -37,
BufferNeedsReallocation = 1,
ReleaseAllBuffers = 2,
};
DECLARE_ENUM_FLAG_OPERATORS(Status);
} // namespace Service::android

32
src/core/hle/service/nvflinger/ui/fence.h
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@ -1,32 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2012 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/ui/Fence.h
#pragma once
#include <array>
#include "common/common_types.h"
#include "core/hle/service/nvdrv/nvdata.h"
namespace Service::android {
class Fence {
public:
constexpr Fence() = default;
static constexpr Fence NoFence() {
Fence fence;
fence.fences[0].id = -1;
return fence;
}
public:
u32 num_fences{};
std::array<Service::Nvidia::NvFence, 4> fences{};
};
static_assert(sizeof(Fence) == 36, "Fence has wrong size");
} // namespace Service::android

100
src/core/hle/service/nvflinger/ui/graphic_buffer.h
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@ -1,100 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2007 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based on:
// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/ui/GraphicBuffer.h
#pragma once
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "core/hle/service/nvflinger/pixel_format.h"
namespace Service::android {
class GraphicBuffer final {
public:
constexpr GraphicBuffer() = default;
constexpr GraphicBuffer(u32 width_, u32 height_, PixelFormat format_, u32 usage_)
: width{static_cast<s32>(width_)}, height{static_cast<s32>(height_)}, format{format_},
usage{static_cast<s32>(usage_)} {}
constexpr u32 Width() const {
return static_cast<u32>(width);
}
constexpr u32 Height() const {
return static_cast<u32>(height);
}
constexpr u32 Stride() const {
return static_cast<u32>(stride);
}
constexpr u32 Usage() const {
return static_cast<u32>(usage);
}
constexpr PixelFormat Format() const {
return format;
}
constexpr u32 BufferId() const {
return buffer_id;
}
constexpr PixelFormat ExternalFormat() const {
return external_format;
}
constexpr u32 Handle() const {
return handle;
}
constexpr u32 Offset() const {
return offset;
}
constexpr bool NeedsReallocation(u32 width_, u32 height_, PixelFormat format_,
u32 usage_) const {
if (static_cast<s32>(width_) != width) {
return true;
}
if (static_cast<s32>(height_) != height) {
return true;
}
if (format_ != format) {
return true;
}
if ((static_cast<u32>(usage) & usage_) != usage_) {
return true;
}
return false;
}
private:
u32 magic{};
s32 width{};
s32 height{};
s32 stride{};
PixelFormat format{};
s32 usage{};
INSERT_PADDING_WORDS(1);
u32 index{};
INSERT_PADDING_WORDS(3);
u32 buffer_id{};
INSERT_PADDING_WORDS(6);
PixelFormat external_format{};
INSERT_PADDING_WORDS(10);
u32 handle{};
u32 offset{};
INSERT_PADDING_WORDS(60);
};
static_assert(sizeof(GraphicBuffer) == 0x16C, "GraphicBuffer has wrong size");
} // namespace Service::android

53
src/core/hle/service/nvflinger/window.h
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@ -1,53 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include "common/common_funcs.h"
#include "common/common_types.h"
namespace Service::android {
/// Attributes queryable with Query
enum class NativeWindow : s32 {
Width = 0,
Height = 1,
Format = 2,
MinUndequeedBuffers = 3,
QueuesToWindowComposer = 4,
ConcreteType = 5,
DefaultWidth = 6,
DefaultHeight = 7,
TransformHint = 8,
ConsumerRunningBehind = 9,
ConsumerUsageBits = 10,
StickyTransform = 11,
DefaultDataSpace = 12,
BufferAge = 13,
};
/// Parameter for Connect/Disconnect
enum class NativeWindowApi : s32 {
NoConnectedApi = 0,
Egl = 1,
Cpu = 2,
Media = 3,
Camera = 4,
};
/// Scaling mode parameter for QueueBuffer
enum class NativeWindowScalingMode : s32 {
Freeze = 0,
ScaleToWindow = 1,
ScaleCrop = 2,
NoScaleCrop = 3,
};
/// Transform parameter for QueueBuffer
enum class NativeWindowTransform : u32 {
None = 0x0,
InverseDisplay = 0x08,
};
DECLARE_ENUM_FLAG_OPERATORS(NativeWindowTransform);
} // namespace Service::android

42
src/core/hle/service/sockets/ethc.cpp
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@ -1,42 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "core/hle/service/sockets/ethc.h"
namespace Service::Sockets {
ETHC_C::ETHC_C(Core::System& system_) : ServiceFramework{system_, "ethc:c"} {
// clang-format off
static const FunctionInfo functions[] = {
{0, nullptr, "Initialize"},
{1, nullptr, "Cancel"},
{2, nullptr, "GetResult"},
{3, nullptr, "GetMediaList"},
{4, nullptr, "SetMediaType"},
{5, nullptr, "GetMediaType"},
{6, nullptr, "Unknown6"},
};
// clang-format on
RegisterHandlers(functions);
}
ETHC_C::~ETHC_C() = default;
ETHC_I::ETHC_I(Core::System& system_) : ServiceFramework{system_, "ethc:i"} {
// clang-format off
static const FunctionInfo functions[] = {
{0, nullptr, "GetReadableHandle"},
{1, nullptr, "Cancel"},
{2, nullptr, "GetResult"},
{3, nullptr, "GetInterfaceList"},
{4, nullptr, "GetInterfaceCount"},
};
// clang-format on
RegisterHandlers(functions);
}
ETHC_I::~ETHC_I() = default;
} // namespace Service::Sockets

26
src/core/hle/service/sockets/ethc.h
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@ -1,26 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "core/hle/service/service.h"
namespace Core {
class System;
}
namespace Service::Sockets {
class ETHC_C final : public ServiceFramework<ETHC_C> {
public:
explicit ETHC_C(Core::System& system_);
~ETHC_C() override;
};
class ETHC_I final : public ServiceFramework<ETHC_I> {
public:
explicit ETHC_I(Core::System& system_);
~ETHC_I() override;
};
} // namespace Service::Sockets

186
src/core/hle/service/wlan/wlan.cpp
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@ -1,186 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <memory>
#include "core/hle/service/service.h"
#include "core/hle/service/sm/sm.h"
#include "core/hle/service/wlan/wlan.h"
namespace Service::WLAN {
class WLANInfra final : public ServiceFramework<WLANInfra> {
public:
explicit WLANInfra(Core::System& system_) : ServiceFramework{system_, "wlan:inf"} {
// clang-format off
static const FunctionInfo functions[] = {
{0, nullptr, "OpenMode"},
{1, nullptr, "CloseMode"},
{2, nullptr, "GetMacAddress"},
{3, nullptr, "StartScan"},
{4, nullptr, "StopScan"},
{5, nullptr, "Connect"},
{6, nullptr, "CancelConnect"},
{7, nullptr, "Disconnect"},
{8, nullptr, "GetConnectionEvent"},
{9, nullptr, "GetConnectionStatus"},
{10, nullptr, "GetState"},
{11, nullptr, "GetScanResult"},
{12, nullptr, "GetRssi"},
{13, nullptr, "ChangeRxAntenna"},
{14, nullptr, "GetFwVersion"},
{15, nullptr, "RequestSleep"},
{16, nullptr, "RequestWakeUp"},
{17, nullptr, "RequestIfUpDown"},
{18, nullptr, "Unknown18"},
{19, nullptr, "Unknown19"},
{20, nullptr, "Unknown20"},
{21, nullptr, "Unknown21"},
{22, nullptr, "Unknown22"},
{23, nullptr, "Unknown23"},
{24, nullptr, "Unknown24"},
{25, nullptr, "Unknown25"},
{26, nullptr, "Unknown26"},
{27, nullptr, "Unknown27"},
{28, nullptr, "Unknown28"},
{29, nullptr, "Unknown29"},
{30, nullptr, "Unknown30"},
{31, nullptr, "Unknown31"},
{32, nullptr, "Unknown32"},
{33, nullptr, "Unknown33"},
{34, nullptr, "Unknown34"},
{35, nullptr, "Unknown35"},
{36, nullptr, "Unknown36"},
{37, nullptr, "Unknown37"},
{38, nullptr, "Unknown38"},
};
// clang-format on
RegisterHandlers(functions);
}
};
class WLANLocal final : public ServiceFramework<WLANLocal> {
public:
explicit WLANLocal(Core::System& system_) : ServiceFramework{system_, "wlan:lcl"} {
// clang-format off
static const FunctionInfo functions[] = {
{0, nullptr, "Unknown0"},
{1, nullptr, "Unknown1"},
{2, nullptr, "Unknown2"},
{3, nullptr, "Unknown3"},
{4, nullptr, "Unknown4"},
{5, nullptr, "Unknown5"},
{6, nullptr, "GetMacAddress"},
{7, nullptr, "CreateBss"},
{8, nullptr, "DestroyBss"},
{9, nullptr, "StartScan"},
{10, nullptr, "StopScan"},
{11, nullptr, "Connect"},
{12, nullptr, "CancelConnect"},
{13, nullptr, "Join"},
{14, nullptr, "CancelJoin"},
{15, nullptr, "Disconnect"},
{16, nullptr, "SetBeaconLostCount"},
{17, nullptr, "Unknown17"},
{18, nullptr, "Unknown18"},
{19, nullptr, "Unknown19"},
{20, nullptr, "GetBssIndicationEvent"},
{21, nullptr, "GetBssIndicationInfo"},
{22, nullptr, "GetState"},
{23, nullptr, "GetAllowedChannels"},
{24, nullptr, "AddIe"},
{25, nullptr, "DeleteIe"},
{26, nullptr, "Unknown26"},
{27, nullptr, "Unknown27"},
{28, nullptr, "CreateRxEntry"},
{29, nullptr, "DeleteRxEntry"},
{30, nullptr, "Unknown30"},
{31, nullptr, "Unknown31"},
{32, nullptr, "AddMatchingDataToRxEntry"},
{33, nullptr, "RemoveMatchingDataFromRxEntry"},
{34, nullptr, "GetScanResult"},
{35, nullptr, "Unknown35"},
{36, nullptr, "SetActionFrameWithBeacon"},
{37, nullptr, "CancelActionFrameWithBeacon"},
{38, nullptr, "CreateRxEntryForActionFrame"},
{39, nullptr, "DeleteRxEntryForActionFrame"},
{40, nullptr, "Unknown40"},
{41, nullptr, "Unknown41"},
{42, nullptr, "CancelGetActionFrame"},
{43, nullptr, "GetRssi"},
{44, nullptr, "Unknown44"},
{45, nullptr, "Unknown45"},
{46, nullptr, "Unknown46"},
{47, nullptr, "Unknown47"},
{48, nullptr, "Unknown48"},
{49, nullptr, "Unknown49"},
{50, nullptr, "Unknown50"},
{51, nullptr, "Unknown51"},
};
// clang-format on
RegisterHandlers(functions);
}
};
class WLANLocalGetFrame final : public ServiceFramework<WLANLocalGetFrame> {
public:
explicit WLANLocalGetFrame(Core::System& system_) : ServiceFramework{system_, "wlan:lg"} {
// clang-format off
static const FunctionInfo functions[] = {
{0, nullptr, "Unknown"},
};
// clang-format on
RegisterHandlers(functions);
}
};
class WLANSocketGetFrame final : public ServiceFramework<WLANSocketGetFrame> {
public:
explicit WLANSocketGetFrame(Core::System& system_) : ServiceFramework{system_, "wlan:sg"} {
// clang-format off
static const FunctionInfo functions[] = {
{0, nullptr, "Unknown"},
};
// clang-format on
RegisterHandlers(functions);
}
};
class WLANSocketManager final : public ServiceFramework<WLANSocketManager> {
public:
explicit WLANSocketManager(Core::System& system_) : ServiceFramework{system_, "wlan:soc"} {
// clang-format off
static const FunctionInfo functions[] = {
{0, nullptr, "Unknown0"},
{1, nullptr, "Unknown1"},
{2, nullptr, "Unknown2"},
{3, nullptr, "Unknown3"},
{4, nullptr, "Unknown4"},
{5, nullptr, "Unknown5"},
{6, nullptr, "GetMacAddress"},
{7, nullptr, "SwitchTsfTimerFunction"},
{8, nullptr, "Unknown8"},
{9, nullptr, "Unknown9"},
{10, nullptr, "Unknown10"},
{11, nullptr, "Unknown11"},
{12, nullptr, "Unknown12"},
};
// clang-format on
RegisterHandlers(functions);
}
};
void InstallInterfaces(SM::ServiceManager& sm, Core::System& system) {
std::make_shared<WLANInfra>(system)->InstallAsService(sm);
std::make_shared<WLANLocal>(system)->InstallAsService(sm);
std::make_shared<WLANLocalGetFrame>(system)->InstallAsService(sm);
std::make_shared<WLANSocketGetFrame>(system)->InstallAsService(sm);
std::make_shared<WLANSocketManager>(system)->InstallAsService(sm);
}
} // namespace Service::WLAN

18
src/core/hle/service/wlan/wlan.h
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@ -1,18 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
namespace Core {
class System;
}
namespace Service::SM {
class ServiceManager;
}
namespace Service::WLAN {
void InstallInterfaces(SM::ServiceManager& sm, Core::System& system);
} // namespace Service::WLAN

8
src/tests/tests.cpp
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@ -1,8 +0,0 @@
// SPDX-FileCopyrightText: 2016 Citra Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#define CATCH_CONFIG_MAIN
#include <catch2/catch.hpp>
// Catch provides the main function since we've given it the
// CATCH_CONFIG_MAIN preprocessor directive.

549
src/tests/video_core/buffer_base.cpp
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@ -1,549 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <stdexcept>
#include <unordered_map>
#include <catch2/catch_test_macros.hpp>
#include "common/alignment.h"
#include "common/common_types.h"
#include "video_core/buffer_cache/buffer_base.h"
namespace {
using VideoCommon::BufferBase;
using Range = std::pair<u64, u64>;
constexpr u64 PAGE = 4096;
constexpr u64 WORD = 4096 * 64;
constexpr VAddr c = 0x1328914000;
class RasterizerInterface {
public:
void UpdatePagesCachedCount(VAddr addr, u64 size, int delta) {
const u64 page_start{addr >> Core::Memory::YUZU_PAGEBITS};
const u64 page_end{(addr + size + Core::Memory::YUZU_PAGESIZE - 1) >>
Core::Memory::YUZU_PAGEBITS};
for (u64 page = page_start; page < page_end; ++page) {
int& value = page_table[page];
value += delta;
if (value < 0) {
throw std::logic_error{"negative page"};
}
if (value == 0) {
page_table.erase(page);
}
}
}
[[nodiscard]] int Count(VAddr addr) const noexcept {
const auto it = page_table.find(addr >> Core::Memory::YUZU_PAGEBITS);
return it == page_table.end() ? 0 : it->second;
}
[[nodiscard]] unsigned Count() const noexcept {
unsigned count = 0;
for (const auto& [index, value] : page_table) {
count += value;
}
return count;
}
private:
std::unordered_map<u64, int> page_table;
};
} // Anonymous namespace
TEST_CASE("BufferBase: Small buffer", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD);
REQUIRE(rasterizer.Count() == 0);
buffer.UnmarkRegionAsCpuModified(c, WORD);
REQUIRE(rasterizer.Count() == WORD / PAGE);
REQUIRE(buffer.ModifiedCpuRegion(c, WORD) == Range{0, 0});
buffer.MarkRegionAsCpuModified(c + PAGE, 1);
REQUIRE(buffer.ModifiedCpuRegion(c, WORD) == Range{PAGE * 1, PAGE * 2});
}
TEST_CASE("BufferBase: Large buffer", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD * 32);
buffer.UnmarkRegionAsCpuModified(c, WORD * 32);
buffer.MarkRegionAsCpuModified(c + 4096, WORD * 4);
REQUIRE(buffer.ModifiedCpuRegion(c, WORD + PAGE * 2) == Range{PAGE, WORD + PAGE * 2});
REQUIRE(buffer.ModifiedCpuRegion(c + PAGE * 2, PAGE * 6) == Range{PAGE * 2, PAGE * 8});
REQUIRE(buffer.ModifiedCpuRegion(c, WORD * 32) == Range{PAGE, WORD * 4 + PAGE});
REQUIRE(buffer.ModifiedCpuRegion(c + WORD * 4, PAGE) == Range{WORD * 4, WORD * 4 + PAGE});
REQUIRE(buffer.ModifiedCpuRegion(c + WORD * 3 + PAGE * 63, PAGE) ==
Range{WORD * 3 + PAGE * 63, WORD * 4});
buffer.MarkRegionAsCpuModified(c + WORD * 5 + PAGE * 6, PAGE);
buffer.MarkRegionAsCpuModified(c + WORD * 5 + PAGE * 8, PAGE);
REQUIRE(buffer.ModifiedCpuRegion(c + WORD * 5, WORD) ==
Range{WORD * 5 + PAGE * 6, WORD * 5 + PAGE * 9});
buffer.UnmarkRegionAsCpuModified(c + WORD * 5 + PAGE * 8, PAGE);
REQUIRE(buffer.ModifiedCpuRegion(c + WORD * 5, WORD) ==
Range{WORD * 5 + PAGE * 6, WORD * 5 + PAGE * 7});
buffer.MarkRegionAsCpuModified(c + PAGE, WORD * 31 + PAGE * 63);
REQUIRE(buffer.ModifiedCpuRegion(c, WORD * 32) == Range{PAGE, WORD * 32});
buffer.UnmarkRegionAsCpuModified(c + PAGE * 4, PAGE);
buffer.UnmarkRegionAsCpuModified(c + PAGE * 6, PAGE);
buffer.UnmarkRegionAsCpuModified(c, WORD * 32);
REQUIRE(buffer.ModifiedCpuRegion(c, WORD * 32) == Range{0, 0});
}
TEST_CASE("BufferBase: Rasterizer counting", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, PAGE * 2);
REQUIRE(rasterizer.Count() == 0);
buffer.UnmarkRegionAsCpuModified(c, PAGE);
REQUIRE(rasterizer.Count() == 1);
buffer.MarkRegionAsCpuModified(c, PAGE * 2);
REQUIRE(rasterizer.Count() == 0);
buffer.UnmarkRegionAsCpuModified(c, PAGE);
buffer.UnmarkRegionAsCpuModified(c + PAGE, PAGE);
REQUIRE(rasterizer.Count() == 2);
buffer.MarkRegionAsCpuModified(c, PAGE * 2);
REQUIRE(rasterizer.Count() == 0);
}
TEST_CASE("BufferBase: Basic range", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD);
buffer.UnmarkRegionAsCpuModified(c, WORD);
buffer.MarkRegionAsCpuModified(c, PAGE);
int num = 0;
buffer.ForEachUploadRange(c, WORD, [&](u64 offset, u64 size) {
REQUIRE(offset == 0U);
REQUIRE(size == PAGE);
++num;
});
REQUIRE(num == 1U);
}
TEST_CASE("BufferBase: Border upload", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD * 2);
buffer.UnmarkRegionAsCpuModified(c, WORD * 2);
buffer.MarkRegionAsCpuModified(c + WORD - PAGE, PAGE * 2);
buffer.ForEachUploadRange(c, WORD * 2, [](u64 offset, u64 size) {
REQUIRE(offset == WORD - PAGE);
REQUIRE(size == PAGE * 2);
});
}
TEST_CASE("BufferBase: Border upload range", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD * 2);
buffer.UnmarkRegionAsCpuModified(c, WORD * 2);
buffer.MarkRegionAsCpuModified(c + WORD - PAGE, PAGE * 2);
buffer.ForEachUploadRange(c + WORD - PAGE, PAGE * 2, [](u64 offset, u64 size) {
REQUIRE(offset == WORD - PAGE);
REQUIRE(size == PAGE * 2);
});
buffer.MarkRegionAsCpuModified(c + WORD - PAGE, PAGE * 2);
buffer.ForEachUploadRange(c + WORD - PAGE, PAGE, [](u64 offset, u64 size) {
REQUIRE(offset == WORD - PAGE);
REQUIRE(size == PAGE);
});
buffer.ForEachUploadRange(c + WORD, PAGE, [](u64 offset, u64 size) {
REQUIRE(offset == WORD);
REQUIRE(size == PAGE);
});
}
TEST_CASE("BufferBase: Border upload partial range", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD * 2);
buffer.UnmarkRegionAsCpuModified(c, WORD * 2);
buffer.MarkRegionAsCpuModified(c + WORD - PAGE, PAGE * 2);
buffer.ForEachUploadRange(c + WORD - 1, 2, [](u64 offset, u64 size) {
REQUIRE(offset == WORD - PAGE);
REQUIRE(size == PAGE * 2);
});
buffer.MarkRegionAsCpuModified(c + WORD - PAGE, PAGE * 2);
buffer.ForEachUploadRange(c + WORD - 1, 1, [](u64 offset, u64 size) {
REQUIRE(offset == WORD - PAGE);
REQUIRE(size == PAGE);
});
buffer.ForEachUploadRange(c + WORD + 50, 1, [](u64 offset, u64 size) {
REQUIRE(offset == WORD);
REQUIRE(size == PAGE);
});
}
TEST_CASE("BufferBase: Partial word uploads", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, 0x9d000);
int num = 0;
buffer.ForEachUploadRange(c, WORD, [&](u64 offset, u64 size) {
REQUIRE(offset == 0U);
REQUIRE(size == WORD);
++num;
});
REQUIRE(num == 1);
buffer.ForEachUploadRange(c + WORD, WORD, [&](u64 offset, u64 size) {
REQUIRE(offset == WORD);
REQUIRE(size == WORD);
++num;
});
REQUIRE(num == 2);
buffer.ForEachUploadRange(c + 0x79000, 0x24000, [&](u64 offset, u64 size) {
REQUIRE(offset == WORD * 2);
REQUIRE(size == PAGE * 0x1d);
++num;
});
REQUIRE(num == 3);
}
TEST_CASE("BufferBase: Partial page upload", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD);
buffer.UnmarkRegionAsCpuModified(c, WORD);
int num = 0;
buffer.MarkRegionAsCpuModified(c + PAGE * 2, PAGE);
buffer.MarkRegionAsCpuModified(c + PAGE * 9, PAGE);
buffer.ForEachUploadRange(c, PAGE * 3, [&](u64 offset, u64 size) {
REQUIRE(offset == PAGE * 2);
REQUIRE(size == PAGE);
++num;
});
REQUIRE(num == 1);
buffer.ForEachUploadRange(c + PAGE * 7, PAGE * 3, [&](u64 offset, u64 size) {
REQUIRE(offset == PAGE * 9);
REQUIRE(size == PAGE);
++num;
});
REQUIRE(num == 2);
}
TEST_CASE("BufferBase: Partial page upload with multiple words on the right") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD * 8);
buffer.UnmarkRegionAsCpuModified(c, WORD * 8);
buffer.MarkRegionAsCpuModified(c + PAGE * 13, WORD * 7);
int num = 0;
buffer.ForEachUploadRange(c + PAGE * 10, WORD * 7, [&](u64 offset, u64 size) {
REQUIRE(offset == PAGE * 13);
REQUIRE(size == WORD * 7 - PAGE * 3);
++num;
});
REQUIRE(num == 1);
buffer.ForEachUploadRange(c + PAGE, WORD * 8, [&](u64 offset, u64 size) {
REQUIRE(offset == WORD * 7 + PAGE * 10);
REQUIRE(size == PAGE * 3);
++num;
});
REQUIRE(num == 2);
}
TEST_CASE("BufferBase: Partial page upload with multiple words on the left", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD * 8);
buffer.UnmarkRegionAsCpuModified(c, WORD * 8);
buffer.MarkRegionAsCpuModified(c + PAGE * 13, WORD * 7);
int num = 0;
buffer.ForEachUploadRange(c + PAGE * 16, WORD * 7, [&](u64 offset, u64 size) {
REQUIRE(offset == PAGE * 16);
REQUIRE(size == WORD * 7 - PAGE * 3);
++num;
});
REQUIRE(num == 1);
buffer.ForEachUploadRange(c + PAGE, WORD, [&](u64 offset, u64 size) {
REQUIRE(offset == PAGE * 13);
REQUIRE(size == PAGE * 3);
++num;
});
REQUIRE(num == 2);
}
TEST_CASE("BufferBase: Partial page upload with multiple words in the middle", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD * 8);
buffer.UnmarkRegionAsCpuModified(c, WORD * 8);
buffer.MarkRegionAsCpuModified(c + PAGE * 13, PAGE * 140);
int num = 0;
buffer.ForEachUploadRange(c + PAGE * 16, WORD, [&](u64 offset, u64 size) {
REQUIRE(offset == PAGE * 16);
REQUIRE(size == WORD);
++num;
});
REQUIRE(num == 1);
buffer.ForEachUploadRange(c, WORD, [&](u64 offset, u64 size) {
REQUIRE(offset == PAGE * 13);
REQUIRE(size == PAGE * 3);
++num;
});
REQUIRE(num == 2);
buffer.ForEachUploadRange(c, WORD * 8, [&](u64 offset, u64 size) {
REQUIRE(offset == WORD + PAGE * 16);
REQUIRE(size == PAGE * 73);
++num;
});
REQUIRE(num == 3);
}
TEST_CASE("BufferBase: Empty right bits", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD * 2048);
buffer.UnmarkRegionAsCpuModified(c, WORD * 2048);
buffer.MarkRegionAsCpuModified(c + WORD - PAGE, PAGE * 2);
buffer.ForEachUploadRange(c, WORD * 2048, [](u64 offset, u64 size) {
REQUIRE(offset == WORD - PAGE);
REQUIRE(size == PAGE * 2);
});
}
TEST_CASE("BufferBase: Out of bound ranges 1", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD);
buffer.UnmarkRegionAsCpuModified(c, WORD);
buffer.MarkRegionAsCpuModified(c, PAGE);
int num = 0;
buffer.ForEachUploadRange(c - WORD, WORD, [&](u64 offset, u64 size) { ++num; });
buffer.ForEachUploadRange(c + WORD, WORD, [&](u64 offset, u64 size) { ++num; });
buffer.ForEachUploadRange(c - PAGE, PAGE, [&](u64 offset, u64 size) { ++num; });
REQUIRE(num == 0);
buffer.ForEachUploadRange(c - PAGE, PAGE * 2, [&](u64 offset, u64 size) { ++num; });
REQUIRE(num == 1);
buffer.MarkRegionAsCpuModified(c, WORD);
REQUIRE(rasterizer.Count() == 0);
}
TEST_CASE("BufferBase: Out of bound ranges 2", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, 0x22000);
REQUIRE_NOTHROW(buffer.UnmarkRegionAsCpuModified(c + 0x22000, PAGE));
REQUIRE_NOTHROW(buffer.UnmarkRegionAsCpuModified(c + 0x28000, PAGE));
REQUIRE(rasterizer.Count() == 0);
REQUIRE_NOTHROW(buffer.UnmarkRegionAsCpuModified(c + 0x21100, PAGE - 0x100));
REQUIRE(rasterizer.Count() == 1);
REQUIRE_NOTHROW(buffer.UnmarkRegionAsCpuModified(c - 0x1000, PAGE * 2));
buffer.UnmarkRegionAsCpuModified(c - 0x3000, PAGE * 2);
buffer.UnmarkRegionAsCpuModified(c - 0x2000, PAGE * 2);
REQUIRE(rasterizer.Count() == 2);
}
TEST_CASE("BufferBase: Out of bound ranges 3", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, 0x310720);
buffer.UnmarkRegionAsCpuModified(c, 0x310720);
REQUIRE(rasterizer.Count(c) == 1);
REQUIRE(rasterizer.Count(c + PAGE) == 1);
REQUIRE(rasterizer.Count(c + WORD) == 1);
REQUIRE(rasterizer.Count(c + WORD + PAGE) == 1);
}
TEST_CASE("BufferBase: Sparse regions 1", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD);
buffer.UnmarkRegionAsCpuModified(c, WORD);
buffer.MarkRegionAsCpuModified(c + PAGE * 1, PAGE);
buffer.MarkRegionAsCpuModified(c + PAGE * 3, PAGE * 4);
buffer.ForEachUploadRange(c, WORD, [i = 0](u64 offset, u64 size) mutable {
static constexpr std::array<u64, 2> offsets{PAGE, PAGE * 3};
static constexpr std::array<u64, 2> sizes{PAGE, PAGE * 4};
REQUIRE(offset == offsets.at(i));
REQUIRE(size == sizes.at(i));
++i;
});
}
TEST_CASE("BufferBase: Sparse regions 2", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, 0x22000);
buffer.UnmarkRegionAsCpuModified(c, 0x22000);
REQUIRE(rasterizer.Count() == 0x22);
buffer.MarkRegionAsCpuModified(c + PAGE * 0x1B, PAGE);
buffer.MarkRegionAsCpuModified(c + PAGE * 0x21, PAGE);
buffer.ForEachUploadRange(c, WORD, [i = 0](u64 offset, u64 size) mutable {
static constexpr std::array<u64, 2> offsets{PAGE * 0x1B, PAGE * 0x21};
static constexpr std::array<u64, 2> sizes{PAGE, PAGE};
REQUIRE(offset == offsets.at(i));
REQUIRE(size == sizes.at(i));
++i;
});
}
TEST_CASE("BufferBase: Single page modified range", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, PAGE);
REQUIRE(buffer.IsRegionCpuModified(c, PAGE));
buffer.UnmarkRegionAsCpuModified(c, PAGE);
REQUIRE(!buffer.IsRegionCpuModified(c, PAGE));
}
TEST_CASE("BufferBase: Two page modified range", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, PAGE * 2);
REQUIRE(buffer.IsRegionCpuModified(c, PAGE));
REQUIRE(buffer.IsRegionCpuModified(c + PAGE, PAGE));
REQUIRE(buffer.IsRegionCpuModified(c, PAGE * 2));
buffer.UnmarkRegionAsCpuModified(c, PAGE);
REQUIRE(!buffer.IsRegionCpuModified(c, PAGE));
}
TEST_CASE("BufferBase: Multi word modified ranges", "[video_core]") {
for (int offset = 0; offset < 4; ++offset) {
const VAddr address = c + WORD * offset;
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, address, WORD * 4);
REQUIRE(buffer.IsRegionCpuModified(address, PAGE));
REQUIRE(buffer.IsRegionCpuModified(address + PAGE * 48, PAGE));
REQUIRE(buffer.IsRegionCpuModified(address + PAGE * 56, PAGE));
buffer.UnmarkRegionAsCpuModified(address + PAGE * 32, PAGE);
REQUIRE(buffer.IsRegionCpuModified(address + PAGE, WORD));
REQUIRE(buffer.IsRegionCpuModified(address + PAGE * 31, PAGE));
REQUIRE(!buffer.IsRegionCpuModified(address + PAGE * 32, PAGE));
REQUIRE(buffer.IsRegionCpuModified(address + PAGE * 33, PAGE));
REQUIRE(buffer.IsRegionCpuModified(address + PAGE * 31, PAGE * 2));
REQUIRE(buffer.IsRegionCpuModified(address + PAGE * 32, PAGE * 2));
buffer.UnmarkRegionAsCpuModified(address + PAGE * 33, PAGE);
REQUIRE(!buffer.IsRegionCpuModified(address + PAGE * 32, PAGE * 2));
}
}
TEST_CASE("BufferBase: Single page in large buffer", "[video_core]") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD * 16);
buffer.UnmarkRegionAsCpuModified(c, WORD * 16);
REQUIRE(!buffer.IsRegionCpuModified(c, WORD * 16));
buffer.MarkRegionAsCpuModified(c + WORD * 12 + PAGE * 8, PAGE);
REQUIRE(buffer.IsRegionCpuModified(c, WORD * 16));
REQUIRE(buffer.IsRegionCpuModified(c + WORD * 10, WORD * 2));
REQUIRE(buffer.IsRegionCpuModified(c + WORD * 11, WORD * 2));
REQUIRE(buffer.IsRegionCpuModified(c + WORD * 12, WORD * 2));
REQUIRE(buffer.IsRegionCpuModified(c + WORD * 12 + PAGE * 4, PAGE * 8));
REQUIRE(buffer.IsRegionCpuModified(c + WORD * 12 + PAGE * 6, PAGE * 8));
REQUIRE(!buffer.IsRegionCpuModified(c + WORD * 12 + PAGE * 6, PAGE));
REQUIRE(buffer.IsRegionCpuModified(c + WORD * 12 + PAGE * 7, PAGE * 2));
REQUIRE(buffer.IsRegionCpuModified(c + WORD * 12 + PAGE * 8, PAGE * 2));
}
TEST_CASE("BufferBase: Out of bounds region query") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD * 16);
REQUIRE(!buffer.IsRegionCpuModified(c - PAGE, PAGE));
REQUIRE(!buffer.IsRegionCpuModified(c - PAGE * 2, PAGE));
REQUIRE(!buffer.IsRegionCpuModified(c + WORD * 16, PAGE));
REQUIRE(buffer.IsRegionCpuModified(c + WORD * 16 - PAGE, WORD * 64));
REQUIRE(!buffer.IsRegionCpuModified(c + WORD * 16, WORD * 64));
}
TEST_CASE("BufferBase: Wrap word regions") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD * 2);
buffer.UnmarkRegionAsCpuModified(c, WORD * 2);
buffer.MarkRegionAsCpuModified(c + PAGE * 63, PAGE * 2);
REQUIRE(buffer.IsRegionCpuModified(c, WORD * 2));
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE * 62, PAGE));
REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 63, PAGE));
REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 64, PAGE));
REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 63, PAGE * 2));
REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 63, PAGE * 8));
REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 60, PAGE * 8));
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE * 127, WORD * 16));
buffer.MarkRegionAsCpuModified(c + PAGE * 127, PAGE);
REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 127, WORD * 16));
REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 127, PAGE));
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE * 126, PAGE));
REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 126, PAGE * 2));
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE * 128, WORD * 16));
}
TEST_CASE("BufferBase: Unaligned page region query") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD);
buffer.UnmarkRegionAsCpuModified(c, WORD);
buffer.MarkRegionAsCpuModified(c + 4000, 1000);
REQUIRE(buffer.IsRegionCpuModified(c, PAGE));
REQUIRE(buffer.IsRegionCpuModified(c + PAGE, PAGE));
REQUIRE(buffer.IsRegionCpuModified(c + 4000, 1000));
REQUIRE(buffer.IsRegionCpuModified(c + 4000, 1));
}
TEST_CASE("BufferBase: Cached write") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD);
buffer.UnmarkRegionAsCpuModified(c, WORD);
buffer.CachedCpuWrite(c + PAGE, PAGE);
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE, PAGE));
buffer.FlushCachedWrites();
REQUIRE(buffer.IsRegionCpuModified(c + PAGE, PAGE));
buffer.MarkRegionAsCpuModified(c, WORD);
REQUIRE(rasterizer.Count() == 0);
}
TEST_CASE("BufferBase: Multiple cached write") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD);
buffer.UnmarkRegionAsCpuModified(c, WORD);
buffer.CachedCpuWrite(c + PAGE, PAGE);
buffer.CachedCpuWrite(c + PAGE * 3, PAGE);
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE, PAGE));
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE * 3, PAGE));
buffer.FlushCachedWrites();
REQUIRE(buffer.IsRegionCpuModified(c + PAGE, PAGE));
REQUIRE(buffer.IsRegionCpuModified(c + PAGE * 3, PAGE));
buffer.MarkRegionAsCpuModified(c, WORD);
REQUIRE(rasterizer.Count() == 0);
}
TEST_CASE("BufferBase: Cached write unmarked") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD);
buffer.UnmarkRegionAsCpuModified(c, WORD);
buffer.CachedCpuWrite(c + PAGE, PAGE);
buffer.UnmarkRegionAsCpuModified(c + PAGE, PAGE);
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE, PAGE));
buffer.FlushCachedWrites();
REQUIRE(buffer.IsRegionCpuModified(c + PAGE, PAGE));
buffer.MarkRegionAsCpuModified(c, WORD);
REQUIRE(rasterizer.Count() == 0);
}
TEST_CASE("BufferBase: Cached write iterated") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD);
buffer.UnmarkRegionAsCpuModified(c, WORD);
buffer.CachedCpuWrite(c + PAGE, PAGE);
int num = 0;
buffer.ForEachUploadRange(c, WORD, [&](u64 offset, u64 size) { ++num; });
REQUIRE(num == 0);
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE, PAGE));
buffer.FlushCachedWrites();
REQUIRE(buffer.IsRegionCpuModified(c + PAGE, PAGE));
buffer.MarkRegionAsCpuModified(c, WORD);
REQUIRE(rasterizer.Count() == 0);
}
TEST_CASE("BufferBase: Cached write downloads") {
RasterizerInterface rasterizer;
BufferBase buffer(rasterizer, c, WORD);
buffer.UnmarkRegionAsCpuModified(c, WORD);
REQUIRE(rasterizer.Count() == 64);
buffer.CachedCpuWrite(c + PAGE, PAGE);
REQUIRE(rasterizer.Count() == 63);
buffer.MarkRegionAsGpuModified(c + PAGE, PAGE);
int num = 0;
buffer.ForEachDownloadRangeAndClear(c, WORD, [&](u64 offset, u64 size) { ++num; });
buffer.ForEachUploadRange(c, WORD, [&](u64 offset, u64 size) { ++num; });
REQUIRE(num == 0);
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE, PAGE));
REQUIRE(!buffer.IsRegionGpuModified(c + PAGE, PAGE));
buffer.FlushCachedWrites();
REQUIRE(buffer.IsRegionCpuModified(c + PAGE, PAGE));
REQUIRE(!buffer.IsRegionGpuModified(c + PAGE, PAGE));
buffer.MarkRegionAsCpuModified(c, WORD);
REQUIRE(rasterizer.Count() == 0);
}

13
src/video_core/host_shaders/vulkan_blit_color_float.frag
View File

@ -1,13 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#version 450
layout(binding = 0) uniform sampler2D tex;
layout(location = 0) in vec2 texcoord;
layout(location = 0) out vec4 color;
void main() {
color = textureLod(tex, texcoord, 0);
}