etc/yuzu
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

various cleanups / remove unused code

Browse source
This commit is contained in:
bunnei 2014-05-13 22:29:31 -04:00
parent 3838d46b90
commit 7d078189da
2 changed files with 29 additions and 65 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

93
src/core/hle/kernel/thread.cpp
View file

@ -427,10 +427,11 @@ std::vector<UID> g_thread_queue;
// Lists only ready thread ids // Lists only ready thread ids
ThreadQueueList g_thread_ready_queue; ThreadQueueList g_thread_ready_queue;
UID g_current_thread; UID g_current_thread = 0;
Thread* g_current_thread_ptr; Thread* g_current_thread_ptr = NULL;
const char *g_hle_current_thread_name = NULL; const char* g_hle_current_thread_name = NULL;
/// Creates a new thread
Thread* __KernelCreateThread(UID& id, UID module_id, const char* name, u32 priority, Thread* __KernelCreateThread(UID& id, UID module_id, const char* name, u32 priority,
u32 entrypoint, u32 arg, u32 stack_top, u32 processor_id, int stack_size) { u32 entrypoint, u32 arg, u32 stack_top, u32 processor_id, int stack_size) {
@ -459,38 +460,25 @@ Thread* __KernelCreateThread(UID& id, UID module_id, const char* name, u32 prior
return t; return t;
} }
/// Resets the specified thread back to initial calling state
void __KernelResetThread(Thread *t, int lowest_priority) { void __KernelResetThread(Thread *t, int lowest_priority) {
t->context.reset(); t->context.reset();
t->context.pc = t->nt.entry_point; t->context.pc = t->nt.entry_point;
// If the thread would be better than lowestPriority, reset to its initial. Yes, kinda odd... // If the thread would be better than lowestPriority, reset to its initial. Yes, kinda odd...
if (t->nt.current_priority < lowest_priority) if (t->nt.current_priority < lowest_priority) {
t->nt.current_priority = t->nt.initial_priority; t->nt.current_priority = t->nt.initial_priority;
}
//t->nt.wait_type = WAITTYPE_NONE;
//t->nt.wait_id = 0;
memset(&t->waitInfo, 0, sizeof(t->waitInfo)); memset(&t->waitInfo, 0, sizeof(t->waitInfo));
//t->nt.exitStatus = SCE_KERNEL_ERROR_NOT_DORMANT;
//t->isProcessingCallbacks = false;
//t->currentCallbackId = 0;
//t->currentMipscallId = 0;
//t->pendingMipsCalls.clear();
//t->context.r[MIPS_REG_RA] = threadReturnHackAddr; //hack! TODO fix
// TODO: Not sure if it's reset here, but this makes sense.
//t->context.r[MIPS_REG_GP] = t->nt.gpreg;
//t->FillStack();
//if (!t->waitingThreads.empty())
// ERROR_LOG(KERNEL, "Resetting thread with threads waiting on end?");
} }
/// Returns the current executing thread
inline Thread *__GetCurrentThread() { inline Thread *__GetCurrentThread() {
return g_current_thread_ptr; return g_current_thread_ptr;
} }
/// Sets the current executing thread
inline void __SetCurrentThread(Thread *thread, UID thread_id, const char *name) { inline void __SetCurrentThread(Thread *thread, UID thread_id, const char *name) {
g_current_thread = thread_id; g_current_thread = thread_id;
g_current_thread_ptr = thread; g_current_thread_ptr = thread;
@ -526,30 +514,29 @@ void __KernelChangeReadyState(UID thread_id, bool ready) {
} }
} }
// Returns NULL if the current thread is fine. /// Returns NULL if the current thread is fine.
Thread* __KernelNextThread() { Thread* __KernelNextThread() {
UID bestThread; UID best_thread;
// If the current thread is running, it's a valid candidate. // If the current thread is running, it's a valid candidate.
Thread *cur = __GetCurrentThread(); Thread *cur = __GetCurrentThread();
if (cur && cur->IsRunning()) { if (cur && cur->IsRunning()) {
bestThread = g_thread_ready_queue.pop_first_better(cur->nt.current_priority); best_thread = g_thread_ready_queue.pop_first_better(cur->nt.current_priority);
if (bestThread != 0) { if (best_thread != 0) {
__KernelChangeReadyState(cur, g_current_thread, true); __KernelChangeReadyState(cur, g_current_thread, true);
} }
} else { } else {
bestThread = g_thread_ready_queue.pop_first(); best_thread = g_thread_ready_queue.pop_first();
} }
// Assume g_thread_ready_queue has not become corrupt. // Assume g_thread_ready_queue has not become corrupt.
if (bestThread != 0) { if (best_thread != 0) {
return g_kernel_objects.GetFast<Thread>(bestThread); return g_kernel_objects.GetFast<Thread>(best_thread);
} else { } else {
return NULL; return NULL;
} }
} }
// Saves the current CPU context /// Saves the current CPU context
void __KernelSaveContext(ThreadContext *ctx) { void __KernelSaveContext(ThreadContext *ctx) {
ctx->reg[0] = Core::g_app_core->GetReg(0); ctx->reg[0] = Core::g_app_core->GetReg(0);
ctx->reg[1] = Core::g_app_core->GetReg(1); ctx->reg[1] = Core::g_app_core->GetReg(1);
@ -571,7 +558,7 @@ void __KernelSaveContext(ThreadContext *ctx) {
ctx->cpsr = Core::g_app_core->GetCPSR(); ctx->cpsr = Core::g_app_core->GetCPSR();
} }
// Loads a CPU context /// Loads a CPU context
void __KernelLoadContext(ThreadContext *ctx) { void __KernelLoadContext(ThreadContext *ctx) {
Core::g_app_core->SetReg(0, ctx->reg[0]); Core::g_app_core->SetReg(0, ctx->reg[0]);
Core::g_app_core->SetReg(1, ctx->reg[1]); Core::g_app_core->SetReg(1, ctx->reg[1]);
@ -593,59 +580,35 @@ void __KernelLoadContext(ThreadContext *ctx) {
Core::g_app_core->SetCPSR(ctx->cpsr); Core::g_app_core->SetCPSR(ctx->cpsr);
} }
/// Switches thread context
void __KernelSwitchContext(Thread *target, const char *reason) { void __KernelSwitchContext(Thread *target, const char *reason) {
u32 oldPC = 0; u32 old_pc = 0;
UID oldUID = 0; UID old_uid = 0;
const char *oldName = g_hle_current_thread_name != NULL ? g_hle_current_thread_name : "(none)"; const char *old_name = g_hle_current_thread_name != NULL ? g_hle_current_thread_name : "(none)";
Thread *cur = __GetCurrentThread(); Thread *cur = __GetCurrentThread();
if (cur) { // It might just have been deleted. if (cur) { // It might just have been deleted.
__KernelSaveContext(&cur->context); __KernelSaveContext(&cur->context);
oldPC = Core::g_app_core->GetPC(); old_pc = Core::g_app_core->GetPC();
oldUID = cur->GetUID(); old_uid = cur->GetUID();
// Normally this is taken care of in __KernelNextThread(). // Normally this is taken care of in __KernelNextThread().
if (cur->IsRunning()) if (cur->IsRunning())
__KernelChangeReadyState(cur, oldUID, true); __KernelChangeReadyState(cur, old_uid, true);
} }
if (target) { if (target) {
__SetCurrentThread(target, target->GetUID(), target->nt.name); __SetCurrentThread(target, target->GetUID(), target->nt.name);
__KernelChangeReadyState(target, g_current_thread, false); __KernelChangeReadyState(target, g_current_thread, false);
target->nt.status = (target->nt.status | THREADSTATUS_RUNNING) & ~THREADSTATUS_READY; target->nt.status = (target->nt.status | THREADSTATUS_RUNNING) & ~THREADSTATUS_READY;
__KernelLoadContext(&target->context); __KernelLoadContext(&target->context);
} else { } else {
__SetCurrentThread(NULL, 0, NULL); __SetCurrentThread(NULL, 0, NULL);
} }
#if DEBUG_LEVEL <= MAX_LOGLEVEL || DEBUG_LOG == NOTICE_LOG
//bool fromIdle = oldUID == threadIdleID[0] || oldUID == threadIdleID[1];
//bool toIdle = currentThread == threadIdleID[0] || currentThread == threadIdleID[1];
//if (!(fromIdle && toIdle))
//{
// u64 nowCycles = CoreTiming::GetTicks();
// s64 consumedCycles = nowCycles - lastSwitchCycles;
// lastSwitchCycles = nowCycles;
// DEBUG_LOG(SCEKERNEL, "Context switch: %s -> %s (%i->%i, pc: %08x->%08x, %s) +%lldus",
// oldName, hleCurrentThreadName,
// oldUID, currentThread,
// oldPC, currentMIPS->pc,
// reason,
// cyclesToUs(consumedCycles));
//}
#endif
if (target) {
//// No longer waiting.
//target->nt.waitType = WAITTYPE_NONE;
//target->nt.waitID = 0;
//__KernelExecutePendingARMCalls(target, true);
}
} }
/// Sets up the root (primary) thread of execution
UID __KernelSetupRootThread(UID module_id, int arg, int prio, int stack_size) { UID __KernelSetupRootThread(UID module_id, int arg, int prio, int stack_size) {
UID id; UID id;

1
src/core/hle/kernel/thread.h
View file

@ -5,6 +5,7 @@
#pragma once #pragma once
#include "common/common_types.h" #include "common/common_types.h"
#include "core/hle/kernel/kernel.h"
enum ThreadStatus { enum ThreadStatus {
THREADSTATUS_RUNNING = 1, THREADSTATUS_RUNNING = 1,