eden-emu
/
eden
mirror of https://git.eden-emu.dev/eden-emu/eden.git
1
0
Fork 0
Code Releases Wiki Activity
Browse Source

[dynarmic] enforce higher constraints 

Signed-off-by: lizzie <lizzie@eden-emu.dev>
pull/358/head
lizzie 5 months ago
committed by crueter
parent
d816f40d8c
commit
cab25827bf
1 changed files with 43 additions and 50 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 93
      src/dynarmic/src/dynarmic/backend/x64/emit_x64_memory.cpp.inc

93
src/dynarmic/src/dynarmic/backend/x64/emit_x64_memory.cpp.inc
View File

@ -273,34 +273,31 @@ void AxxEmitX64::EmitExclusiveWriteMemory(AxxEmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
const bool ordered = IsOrdered(args[3].GetImmediateAccType());
if constexpr (bitsize != 128) {
ctx.reg_alloc.HostCall(inst, {}, args[1], args[2]);
} else {
if constexpr (bitsize == 128) {
ctx.reg_alloc.Use(args[1], ABI_PARAM2);
ctx.reg_alloc.Use(args[2], HostLoc::XMM1);
ctx.reg_alloc.EndOfAllocScope();
ctx.reg_alloc.HostCall(inst);
} else {
ctx.reg_alloc.HostCall(inst, {}, args[1], args[2]);
}
const Xbyak::Reg64 tmp = ctx.reg_alloc.ScratchGpr();
Xbyak::Label end;
code.mov(code.ABI_RETURN, u32(1));
code.cmp(code.byte[code.ABI_JIT_PTR + offsetof(AxxJitState, exclusive_state)], u8(0));
code.movzx(tmp.cvt32(), code.byte[code.ABI_JIT_PTR + offsetof(AxxJitState, exclusive_state)]);
code.test(tmp.cvt8(), tmp.cvt8());
code.je(end);
code.mov(code.byte[code.ABI_JIT_PTR + offsetof(AxxJitState, exclusive_state)], u8(0));
code.mov(code.ABI_PARAM1, reinterpret_cast<u64>(&conf));
code.xor_(tmp.cvt32(), tmp.cvt32());
code.xchg(tmp.cvt8(), code.byte[code.ABI_JIT_PTR + offsetof(AxxJitState, exclusive_state)]);
code.mov(code.ABI_PARAM1, u64(&conf));
if constexpr (bitsize != 128) {
using T = mcl::unsigned_integer_of_size<bitsize>;
code.CallLambda(
[](AxxUserConfig& conf, Axx::VAddr vaddr, T value) -> u32 {
return conf.global_monitor->DoExclusiveOperation<T>(conf.processor_id, vaddr,
[&](T expected) -> bool {
return (conf.callbacks->*callback)(vaddr, value, expected);
})
? 0
: 1;
});
code.CallLambda([](AxxUserConfig& conf, Axx::VAddr vaddr, T value) -> u32 {
return conf.global_monitor->DoExclusiveOperation<T>(conf.processor_id, vaddr, [&](T expected) -> bool {
return (conf.callbacks->*callback)(vaddr, value, expected);
}) ? 0 : 1;
});
if (ordered) {
code.mfence();
}
@ -308,15 +305,11 @@ void AxxEmitX64::EmitExclusiveWriteMemory(AxxEmitContext& ctx, IR::Inst* inst) {
ctx.reg_alloc.AllocStackSpace(16 + ABI_SHADOW_SPACE);
code.lea(code.ABI_PARAM3, ptr[rsp + ABI_SHADOW_SPACE]);
code.movaps(xword[code.ABI_PARAM3], xmm1);
code.CallLambda(
[](AxxUserConfig& conf, Axx::VAddr vaddr, Vector& value) -> u32 {
return conf.global_monitor->DoExclusiveOperation<Vector>(conf.processor_id, vaddr,
[&](Vector expected) -> bool {
return (conf.callbacks->*callback)(vaddr, value, expected);
})
? 0
: 1;
});
code.CallLambda([](AxxUserConfig& conf, Axx::VAddr vaddr, Vector& value) -> u32 {
return conf.global_monitor->DoExclusiveOperation<Vector>(conf.processor_id, vaddr, [&](Vector expected) -> bool {
return (conf.callbacks->*callback)(vaddr, value, expected);
}) ? 0 : 1;
});
if (ordered) {
code.mfence();
}
@ -437,10 +430,11 @@ void AxxEmitX64::EmitExclusiveWriteMemoryInline(AxxEmitContext& ctx, IR::Inst* i
SharedLabel end = GenSharedLabel();
code.mov(tmp, mcl::bit_cast<u64>(GetExclusiveMonitorAddressPointer(conf.global_monitor, conf.processor_id)));
code.mov(status, u32(1));
code.cmp(code.byte[code.ABI_JIT_PTR + offsetof(AxxJitState, exclusive_state)], u8(0));
code.movzx(tmp.cvt32(), code.byte[code.ABI_JIT_PTR + offsetof(AxxJitState, exclusive_state)]);
code.test(tmp.cvt8(), tmp.cvt8());
code.je(*end, code.T_NEAR);
code.mov(tmp, mcl::bit_cast<u64>(GetExclusiveMonitorAddressPointer(conf.global_monitor, conf.processor_id)));
code.cmp(qword[tmp], vaddr);
code.jne(*end, code.T_NEAR);
@ -474,30 +468,29 @@ void AxxEmitX64::EmitExclusiveWriteMemoryInline(AxxEmitContext& ctx, IR::Inst* i
const auto location = code.getCurr();
if constexpr (bitsize == 128) {
switch (bitsize) {
case 8:
code.lock();
code.cmpxchg(code.byte[dest_ptr], value.cvt8());
break;
case 16:
code.lock();
code.cmpxchg(word[dest_ptr], value.cvt16());
break;
case 32:
code.lock();
code.cmpxchg(dword[dest_ptr], value.cvt32());
break;
case 64:
code.lock();
code.cmpxchg(qword[dest_ptr], value.cvt64());
break;
case 128:
code.lock();
code.cmpxchg16b(ptr[dest_ptr]);
} else {
switch (bitsize) {
case 8:
code.lock();
code.cmpxchg(code.byte[dest_ptr], value.cvt8());
break;
case 16:
code.lock();
code.cmpxchg(word[dest_ptr], value.cvt16());
break;
case 32:
code.lock();
code.cmpxchg(dword[dest_ptr], value.cvt32());
break;
case 64:
code.lock();
code.cmpxchg(qword[dest_ptr], value.cvt64());
break;
default:
UNREACHABLE();
}
break;
default:
UNREACHABLE();
}
code.setnz(status.cvt8());

Write Preview
Loading…
Cancel
Save