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ARM: Add a mechanism for faking CPU time elapsed during HLE.

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- Also a few cleanups.
This commit is contained in:
bunnei
2014-12-23 22:45:52 -05:00
parent 5241e7a9c3
commit 4783133bbd
6 changed files with 39 additions and 95 deletions
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49
src/core/arm/dyncom/arm_dyncom.cpp
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@ -47,68 +47,38 @@ ARM_DynCom::ARM_DynCom() : ticks(0) {
ARM_DynCom::~ARM_DynCom() {
}
/**
* Set the Program Counter to an address
* @param addr Address to set PC to
*/
void ARM_DynCom::SetPC(u32 pc) {
state->pc = state->Reg[15] = pc;
}
/*
* Get the current Program Counter
* @return Returns current PC
*/
u32 ARM_DynCom::GetPC() const {
return state->Reg[15];
}
/**
* Get an ARM register
* @param index Register index (0-15)
* @return Returns the value in the register
*/
u32 ARM_DynCom::GetReg(int index) const {
return state->Reg[index];
}
/**
* Set an ARM register
* @param index Register index (0-15)
* @param value Value to set register to
*/
void ARM_DynCom::SetReg(int index, u32 value) {
state->Reg[index] = value;
}
/**
* Get the current CPSR register
* @return Returns the value of the CPSR register
*/
u32 ARM_DynCom::GetCPSR() const {
return state->Cpsr;
}
/**
* Set the current CPSR register
* @param cpsr Value to set CPSR to
*/
void ARM_DynCom::SetCPSR(u32 cpsr) {
state->Cpsr = cpsr;
}
/**
* Returns the number of clock ticks since the last reset
* @return Returns number of clock ticks
*/
u64 ARM_DynCom::GetTicks() const {
return ticks;
}
/**
* Executes the given number of instructions
* @param num_instructions Number of instructions to executes
*/
void ARM_DynCom::AddTicks(u64 ticks) {
this->ticks += ticks;
}
void ARM_DynCom::ExecuteInstructions(int num_instructions) {
state->NumInstrsToExecute = num_instructions;
@ -118,11 +88,6 @@ void ARM_DynCom::ExecuteInstructions(int num_instructions) {
ticks += InterpreterMainLoop(state.get());
}
/**
* Saves the current CPU context
* @param ctx Thread context to save
* @todo Do we need to save Reg[15] and NextInstr?
*/
void ARM_DynCom::SaveContext(ThreadContext& ctx) {
memcpy(ctx.cpu_registers, state->Reg, sizeof(ctx.cpu_registers));
memcpy(ctx.fpu_registers, state->ExtReg, sizeof(ctx.fpu_registers));
@ -139,11 +104,6 @@ void ARM_DynCom::SaveContext(ThreadContext& ctx) {
ctx.mode = state->NextInstr;
}
/**
* Loads a CPU context
* @param ctx Thread context to load
* @param Do we need to load Reg[15] and NextInstr?
*/
void ARM_DynCom::LoadContext(const ThreadContext& ctx) {
memcpy(state->Reg, ctx.cpu_registers, sizeof(ctx.cpu_registers));
memcpy(state->ExtReg, ctx.fpu_registers, sizeof(ctx.fpu_registers));
@ -160,7 +120,6 @@ void ARM_DynCom::LoadContext(const ThreadContext& ctx) {
state->NextInstr = ctx.mode;
}
/// Prepare core for thread reschedule (if needed to correctly handle state)
void ARM_DynCom::PrepareReschedule() {
state->NumInstrsToExecute = 0;
}