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[a64] Implement `OPCODE_{LOAD,STORE}_MMIO`

This commit is contained in:
Wunkolo 2024-05-06 12:50:47 -07:00
parent b5d55e1464
commit 018e484d6b
1 changed files with 20 additions and 22 deletions
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42
src/xenia/cpu/backend/a64/a64_seq_memory.cc
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@ -566,17 +566,16 @@ struct LOAD_MMIO_I32
: Sequence<LOAD_MMIO_I32, I<OPCODE_LOAD_MMIO, I32Op, OffsetOp, OffsetOp>> {
static void Emit(A64Emitter& e, const EmitArgType& i) {
// uint64_t (context, addr)
auto mmio_range = reinterpret_cast<MMIORange*>(i.src1.value);
auto read_address = uint32_t(i.src2.value);
// e.mov(e.GetNativeParam(0), uint64_t(mmio_range->callback_context));
// e.mov(e.GetNativeParam(1).cvt32(), read_address);
// e.CallNativeSafe(reinterpret_cast<void*>(mmio_range->read));
// e.bswap(e.eax);
// e.mov(i.dest, e.eax);
const auto mmio_range = reinterpret_cast<MMIORange*>(i.src1.value);
const auto read_address = uint32_t(i.src2.value);
e.MOV(e.GetNativeParam(0), uint64_t(mmio_range->callback_context));
e.MOV(e.GetNativeParam(1).toW(), read_address);
e.CallNativeSafe(reinterpret_cast<void*>(mmio_range->read));
e.REV(i.dest, W0);
if (IsTracingData()) {
// e.mov(e.GetNativeParam(0), i.dest);
// e.mov(e.edx, read_address);
// e.CallNative(reinterpret_cast<void*>(TraceContextLoadI32));
e.MOV(e.GetNativeParam(0).toW(), i.dest);
e.MOV(X1, read_address);
e.CallNative(reinterpret_cast<void*>(TraceContextLoadI32));
}
}
};
@ -591,25 +590,24 @@ struct STORE_MMIO_I32
I<OPCODE_STORE_MMIO, VoidOp, OffsetOp, OffsetOp, I32Op>> {
static void Emit(A64Emitter& e, const EmitArgType& i) {
// void (context, addr, value)
auto mmio_range = reinterpret_cast<MMIORange*>(i.src1.value);
auto write_address = uint32_t(i.src2.value);
// e.mov(e.GetNativeParam(0), uint64_t(mmio_range->callback_context));
// e.mov(e.GetNativeParam(1).cvt32(), write_address);
const auto mmio_range = reinterpret_cast<MMIORange*>(i.src1.value);
const auto write_address = uint32_t(i.src2.value);
e.MOV(e.GetNativeParam(0), uint64_t(mmio_range->callback_context));
e.MOV(e.GetNativeParam(1).toW(), write_address);
if (i.src3.is_constant) {
// e.mov(e.GetNativeParam(2).cvt32(), xe::byte_swap(i.src3.constant()));
e.MOV(e.GetNativeParam(2).toW(), xe::byte_swap(i.src3.constant()));
} else {
// e.mov(e.GetNativeParam(2).cvt32(), i.src3);
// e.bswap(e.GetNativeParam(2).cvt32());
e.REV(e.GetNativeParam(2).toW(), i.src3);
}
// e.CallNativeSafe(reinterpret_cast<void*>(mmio_range->write));
e.CallNativeSafe(reinterpret_cast<void*>(mmio_range->write));
if (IsTracingData()) {
if (i.src3.is_constant) {
// e.mov(e.GetNativeParam(0).cvt32(), i.src3.constant());
e.MOV(e.GetNativeParam(0).toW(), i.src3.constant());
} else {
// e.mov(e.GetNativeParam(0).cvt32(), i.src3);
e.MOV(e.GetNativeParam(0).toW(), i.src3);
}
// e.mov(e.edx, write_address);
// e.CallNative(reinterpret_cast<void*>(TraceContextStoreI32));
e.MOV(X1, write_address);
e.CallNative(reinterpret_cast<void*>(TraceContextStoreI32));
}
}
};