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emit_arm64_a32: Implement A32CallSupervisor and A32ExceptionRaised

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Merry 2022-08-07 21:14:37 +01:00 committed by merry
parent 882490b372
commit 0f0744cb78
2 changed files with 41 additions and 8 deletions
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4
src/dynarmic/backend/arm64/emit_arm64.h
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@ -44,7 +44,11 @@ enum class LinkTarget {
WriteMemory16,
WriteMemory32,
WriteMemory64,
CallSVC,
ExceptionRaised,
InstructionSynchronizationBarrierRaised,
AddTicks,
GetTicksRemaining,
};
struct Relocation {

45
src/dynarmic/backend/arm64/emit_arm64_a32.cpp
View file

@ -505,18 +505,47 @@ void EmitIR<IR::Opcode::A32UpdateUpperLocationDescriptor>(oaknut::CodeGenerator&
template<>
void EmitIR<IR::Opcode::A32CallSupervisor>(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* inst) {
(void)code;
(void)ctx;
(void)inst;
ASSERT_FALSE("Unimplemented");
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ctx.reg_alloc.PrepareForCall(nullptr);
static_assert(offsetof(StackLayout, cycles_remaining) + sizeof(u64) == offsetof(StackLayout, cycles_to_run));
if (ctx.conf.enable_cycle_counting) {
code.LDP(Xscratch0, Xscratch1, SP, offsetof(StackLayout, cycles_remaining));
code.SUB(Xscratch0, Xscratch1, Xscratch0);
EmitRelocation(code, ctx, LinkTarget::AddTicks);
}
code.MOV(W1, args[0].GetImmediateU32());
EmitRelocation(code, ctx, LinkTarget::CallSVC);
if (ctx.conf.enable_cycle_counting) {
EmitRelocation(code, ctx, LinkTarget::GetTicksRemaining);
code.STP(X0, X0, SP, offsetof(StackLayout, cycles_remaining));
}
}
template<>
void EmitIR<IR::Opcode::A32ExceptionRaised>(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* inst) {
(void)code;
(void)ctx;
(void)inst;
ASSERT_FALSE("Unimplemented");
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ctx.reg_alloc.PrepareForCall(nullptr);
static_assert(offsetof(StackLayout, cycles_remaining) + sizeof(u64) == offsetof(StackLayout, cycles_to_run));
if (ctx.conf.enable_cycle_counting) {
code.LDP(Xscratch0, Xscratch1, SP, offsetof(StackLayout, cycles_remaining));
code.SUB(Xscratch0, Xscratch1, Xscratch0);
EmitRelocation(code, ctx, LinkTarget::AddTicks);
}
code.MOV(W1, args[0].GetImmediateU32());
code.MOV(W2, args[1].GetImmediateU32());
EmitRelocation(code, ctx, LinkTarget::CallSVC);
if (ctx.conf.enable_cycle_counting) {
EmitRelocation(code, ctx, LinkTarget::GetTicksRemaining);
code.STP(X0, X0, SP, offsetof(StackLayout, cycles_remaining));
}
}
template<>