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arm: ResetContext shouldn't be part of ARM_Interface.

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This commit is contained in:
bunnei 2016-09-02 08:53:42 -04:00
parent 85861d44b7
commit 05e120a4cc
6 changed files with 17 additions and 30 deletions
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9
src/core/arm/arm_interface.h
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@ -121,15 +121,6 @@ public:
*/
virtual void AddTicks(u64 ticks) = 0;
/**
* Initializes a CPU context for use on this CPU
* @param context Thread context to reset
* @param stack_top Pointer to the top of the stack
* @param entry_point Entry point for execution
* @param arg User argument for thread
*/
virtual void ResetContext(Core::ThreadContext& context, u32 stack_top, u32 entry_point, u32 arg) = 0;
/**
* Saves the current CPU context
* @param ctx Thread context to save

9
src/core/arm/dynarmic/arm_dynarmic.cpp
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@ -130,15 +130,6 @@ void ARM_Dynarmic::ExecuteInstructions(int num_instructions) {
AddTicks(num_instructions);
}
void ARM_Dynarmic::ResetContext(Core::ThreadContext& context, u32 stack_top, u32 entry_point, u32 arg) {
memset(&context, 0, sizeof(Core::ThreadContext));
context.cpu_registers[0] = arg;
context.pc = entry_point;
context.sp = stack_top;
context.cpsr = USER32MODE | ((entry_point & 1) << 5); // Usermode and THUMB mode
}
void ARM_Dynarmic::SaveContext(Core::ThreadContext& ctx) {
memcpy(ctx.cpu_registers, jit->Regs().data(), sizeof(ctx.cpu_registers));
memcpy(ctx.fpu_registers, jit->ExtRegs().data(), sizeof(ctx.fpu_registers));

1
src/core/arm/dynarmic/arm_dynarmic.h
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@ -36,7 +36,6 @@ public:
void AddTicks(u64 ticks) override;
void ResetContext(Core::ThreadContext& context, u32 stack_top, u32 entry_point, u32 arg) override;
void SaveContext(Core::ThreadContext& ctx) override;
void LoadContext(const Core::ThreadContext& ctx) override;

9
src/core/arm/dyncom/arm_dyncom.cpp
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@ -93,15 +93,6 @@ void ARM_DynCom::ExecuteInstructions(int num_instructions) {
AddTicks(ticks_executed);
}
void ARM_DynCom::ResetContext(Core::ThreadContext& context, u32 stack_top, u32 entry_point, u32 arg) {
memset(&context, 0, sizeof(Core::ThreadContext));
context.cpu_registers[0] = arg;
context.pc = entry_point;
context.sp = stack_top;
context.cpsr = USER32MODE | ((entry_point & 1) << 5); // Usermode and THUMB mode
}
void ARM_DynCom::SaveContext(Core::ThreadContext& ctx) {
memcpy(ctx.cpu_registers, state->Reg.data(), sizeof(ctx.cpu_registers));
memcpy(ctx.fpu_registers, state->ExtReg.data(), sizeof(ctx.fpu_registers));

1
src/core/arm/dyncom/arm_dyncom.h
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@ -38,7 +38,6 @@ public:
void AddTicks(u64 ticks) override;
void ResetContext(Core::ThreadContext& context, u32 stack_top, u32 entry_point, u32 arg) override;
void SaveContext(Core::ThreadContext& ctx) override;
void LoadContext(const Core::ThreadContext& ctx) override;

18
src/core/hle/kernel/thread.cpp
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@ -441,6 +441,22 @@ std::tuple<u32, u32, bool> GetFreeThreadLocalSlot(std::vector<std::bitset<8>>& t
return std::make_tuple(0, 0, true);
}
/**
* Resets a thread context, making it ready to be scheduled and run by the CPU
* @param context Thread context to reset
* @param stack_top Address of the top of the stack
* @param entry_point Address of entry point for execution
* @param arg User argument for thread
*/
static void ResetThreadContext(Core::ThreadContext& context, u32 stack_top, u32 entry_point, u32 arg) {
memset(&context, 0, sizeof(Core::ThreadContext));
context.cpu_registers[0] = arg;
context.pc = entry_point;
context.sp = stack_top;
context.cpsr = USER32MODE | ((entry_point & 1) << 5); // Usermode and THUMB mode
}
ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point, s32 priority,
u32 arg, s32 processor_id, VAddr stack_top) {
if (priority < THREADPRIO_HIGHEST || priority > THREADPRIO_LOWEST) {
@ -525,7 +541,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
// TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used
// to initialize the context
Core::g_app_core->ResetContext(thread->context, stack_top, entry_point, arg);
ResetThreadContext(thread->context, stack_top, entry_point, arg);
ready_queue.push_back(thread->current_priority, thread.get());
thread->status = THREADSTATUS_READY;