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Proper implementation of Arm::Translate

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This commit is contained in:
MerryMage 2016-07-04 21:37:50 +08:00
parent d743adf518
commit 14388ea690
29 changed files with 276 additions and 90 deletions
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10
src/backend_x64/emit_x64.cpp
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@ -9,6 +9,7 @@
#include "backend_x64/emit_x64.h"
#include "common/x64/emitter.h"
#include "frontend/arm_types.h"
// TODO: More optimal use of immediates.
// TODO: Have ARM flags in host flags and not have them use up GPR registers unless necessary.
@ -34,6 +35,9 @@ static IR::Inst* FindUseWithOpcode(IR::Inst* inst, IR::Opcode opcode) {
}
CodePtr EmitX64::Emit(Arm::LocationDescriptor descriptor, Dynarmic::IR::Block block) {
inhibit_emission.clear();
reg_alloc.Reset();
code->INT3();
CodePtr code_ptr = code->GetCodePtr();
@ -46,6 +50,7 @@ CodePtr EmitX64::Emit(Arm::LocationDescriptor descriptor, Dynarmic::IR::Block bl
reg_alloc.EndOfAllocScope();
}
EmitAddCycles(block.cycle_count);
EmitReturnToDispatch();
return code_ptr;
@ -378,6 +383,11 @@ void EmitX64::EmitArithmeticShiftRight(IR::Value* value_) {
}
}
void EmitX64::EmitAddCycles(size_t cycles) {
ASSERT(cycles < std::numeric_limits<u32>::max());
code->SUB(64, MDisp(R15, offsetof(JitState, cycles_remaining)), Imm32(cycles));
}
void EmitX64::EmitReturnToDispatch() {
// TODO: Update cycle counts