From 525492428d3b1ccbe2096944a7525b242d4c9e7b Mon Sep 17 00:00:00 2001 From: Subv Date: Sun, 20 May 2018 14:23:49 -0500 Subject: [PATCH] GPU: Implemented the nvmap Free ioctl. It releases a reference to an nvmap object --- src/core/hle/service/nvdrv/devices/nvmap.cpp | 35 ++++++++++++++++++++ src/core/hle/service/nvdrv/devices/nvmap.h | 14 +++++++- 2 files changed, 48 insertions(+), 1 deletion(-) diff --git a/src/core/hle/service/nvdrv/devices/nvmap.cpp b/src/core/hle/service/nvdrv/devices/nvmap.cpp index 8d883209f..d66fb3a9c 100644 --- a/src/core/hle/service/nvdrv/devices/nvmap.cpp +++ b/src/core/hle/service/nvdrv/devices/nvmap.cpp @@ -30,6 +30,8 @@ u32 nvmap::ioctl(Ioctl command, const std::vector& input, std::vector& o return IocFromId(input, output); case IoctlCommand::Param: return IocParam(input, output); + case IoctlCommand::Free: + return IocFree(input, output); } UNIMPLEMENTED_MSG("Unimplemented ioctl"); @@ -45,6 +47,7 @@ u32 nvmap::IocCreate(const std::vector& input, std::vector& output) { object->id = next_id++; object->size = params.size; object->status = Object::Status::Created; + object->refcount = 1; u32 handle = next_handle++; handles[handle] = std::move(object); @@ -101,6 +104,8 @@ u32 nvmap::IocFromId(const std::vector& input, std::vector& output) { [&](const auto& entry) { return entry.second->id == params.id; }); ASSERT(itr != handles.end()); + itr->second->refcount++; + // Return the existing handle instead of creating a new one. params.handle = itr->first; @@ -142,4 +147,34 @@ u32 nvmap::IocParam(const std::vector& input, std::vector& output) { return 0; } +u32 nvmap::IocFree(const std::vector& input, std::vector& output) { + enum FreeFlags { + Freed = 0, + NotFreedYet = 1, + }; + + IocFreeParams params; + std::memcpy(¶ms, input.data(), sizeof(params)); + + NGLOG_WARNING(Service_NVDRV, "(STUBBED) called"); + + auto itr = handles.find(params.handle); + ASSERT(itr != handles.end()); + + itr->second->refcount--; + + params.refcount = itr->second->refcount; + params.size = itr->second->size; + + if (itr->second->refcount == 0) + params.flags = Freed; + else + params.flags = NotFreedYet; + + handles.erase(params.handle); + + std::memcpy(output.data(), ¶ms, sizeof(params)); + return 0; +} + } // namespace Service::Nvidia::Devices diff --git a/src/core/hle/service/nvdrv/devices/nvmap.h b/src/core/hle/service/nvdrv/devices/nvmap.h index 431eb3773..5a3044167 100644 --- a/src/core/hle/service/nvdrv/devices/nvmap.h +++ b/src/core/hle/service/nvdrv/devices/nvmap.h @@ -34,6 +34,7 @@ public: u8 kind; VAddr addr; Status status; + u32 refcount; }; std::shared_ptr GetObject(u32 handle) const { @@ -59,7 +60,8 @@ private: FromId = 0xC0080103, Alloc = 0xC0200104, Param = 0xC00C0109, - GetId = 0xC008010E + GetId = 0xC008010E, + Free = 0xC0180105, }; struct IocCreateParams { @@ -102,11 +104,21 @@ private: u32_le value; }; + struct IocFreeParams { + u32_le handle; + INSERT_PADDING_BYTES(4); + u64_le refcount; + u32_le size; + u32_le flags; + }; + static_assert(sizeof(IocFreeParams) == 24, "IocFreeParams has wrong size"); + u32 IocCreate(const std::vector& input, std::vector& output); u32 IocAlloc(const std::vector& input, std::vector& output); u32 IocGetId(const std::vector& input, std::vector& output); u32 IocFromId(const std::vector& input, std::vector& output); u32 IocParam(const std::vector& input, std::vector& output); + u32 IocFree(const std::vector& input, std::vector& output); }; } // namespace Service::Nvidia::Devices