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[JIT]: Respect Microsoft calling convention too

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This commit is contained in:
Simone Coco
2025-01-23 14:23:27 +01:00
parent 0d4e8d0e89
commit f27780a16e
4 changed files with 60 additions and 35 deletions
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5
src/backend/core/JIT.hpp
View File

@@ -3,6 +3,7 @@
#include <Mem.hpp>
#include <vector>
#include <xbyak.h>
#include <jit/helpers.hpp>
namespace n64 {
struct Core;
@@ -35,7 +36,7 @@ struct JIT : BaseCPU {
[[nodiscard]] Disassembler::DisassemblyResult Disassemble(u32, u32) const override { return {}; }
private:
Xbyak::CodeGenerator code{kCodeCacheSize};
Xbyak::CodeGenerator code{kCodeCacheAllocSize};
Registers regs;
Mem mem;
u64 cop2Latch{};
@@ -83,7 +84,7 @@ private:
thisPtr += arr[1];
#endif
code.mov(code.rdi, thisPtr);
code.mov(code.ARG1, thisPtr);
code.mov(code.rax, functionPtr);
code.sub(code.rsp, 8);
code.call(code.rax);

14
src/backend/core/jit/helpers.hpp
View File

@@ -71,4 +71,18 @@ static bool IsBranchLikely(const u32 instr) {
return false;
}
}
#ifdef _WIN32
#define ARG1 rcx
#define ARG2 rdx
#define ARG3 r8
#define ARG4 r9
#else
#define ARG1 rdi
#define ARG2 rsi
#define ARG3 rdx
#define ARG4 rcx
#define ARG5 r8
#define ARG6 r9
#endif
} // namespace n64

69
src/backend/core/jit/instructions.cpp
View File

@@ -899,8 +899,9 @@ void JIT::lbu(u32 instr) {
// regs.cop0.FireException(Cop0::GetTLBExceptionCode(regs.cop0.tlbError, Cop0::LOAD), 0, regs.oldPC);
Util::panic("[JIT]: Unhandled TLBL exception in LBU!");
} else {
code.mov(code.rsi, code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.edx, paddr);
code.mov(code.ARG2,
code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.ARG3, paddr);
emitMemberFunctionCall(&Mem::Read<u8>, &mem);
regs.Write<u8>(RT(instr), code.rax);
}
@@ -917,8 +918,9 @@ void JIT::lb(u32 instr) {
// regs.cop0.FireException(Cop0::GetTLBExceptionCode(regs.cop0.tlbError, Cop0::LOAD), 0, regs.oldPC);
Util::panic("[JIT]: Unhandled TLBL exception in LB!");
} else {
code.mov(code.rsi, code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.edx, paddr);
code.mov(code.ARG2,
code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.ARG3, paddr);
emitMemberFunctionCall(&Mem::Read<u8>, &mem);
regs.Write<s8>(RT(instr), code.rax);
}
@@ -943,8 +945,9 @@ void JIT::ld(u32 instr) {
// regs.cop0.FireException(Cop0::GetTLBExceptionCode(regs.cop0.tlbError, Cop0::LOAD), 0, regs.oldPC);
Util::panic("[JIT]: Unhandled TLBL exception in LD!");
} else {
code.mov(code.rsi, code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.edx, paddr);
code.mov(code.ARG2,
code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.ARG3, paddr);
emitMemberFunctionCall(&Mem::Read<u64>, &mem);
regs.Write<u64>(RT(instr), code.rax);
}
@@ -1032,8 +1035,8 @@ void JIT::lh(u32 instr) {
return;
}
code.mov(code.rsi, code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.edx, paddr);
code.mov(code.ARG2, code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.ARG3, paddr);
emitMemberFunctionCall(&Mem::Read<u16>, &mem);
regs.Write<s16>(RT(instr), code.rax);
return;
@@ -1068,21 +1071,21 @@ void JIT::lw(u32 instr) {
return;
}
code.mov(code.rsi, code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.edx, paddr);
code.mov(code.ARG2, code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.ARG3, paddr);
emitMemberFunctionCall(&Mem::Read<u32>, &mem);
regs.Write<s32>(RT(instr), code.rax);
return;
}
code.mov(code.esi, Cop0::LOAD);
code.mov(code.ARG2, Cop0::LOAD);
regs.Read<s64>(RS(instr), code.rdx);
code.add(code.rdx, offset);
code.mov(code.rcx, reinterpret_cast<uintptr_t>(&paddr));
code.add(code.ARG3, offset);
code.mov(code.ARG4, reinterpret_cast<uintptr_t>(&paddr));
emitMemberFunctionCall(&Cop0::MapVAddr, &regs.cop0);
code.mov(code.rsi, code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.edx, paddr);
code.mov(code.ARG2, code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.ARG3, paddr);
emitMemberFunctionCall(&Mem::Read<u32>, &mem);
regs.Write<s32>(RT(instr), code.rax);
}
@@ -1305,9 +1308,10 @@ void JIT::sw(const u32 instr) {
// regs.cop0.FireException(Cop0::GetTLBExceptionCode(regs.cop0.tlbError, Cop0::STORE), 0, regs.oldPC);
Util::panic("[JIT]: Unhandled TLBS exception in SW!");
} else {
code.lea(code.rsi, code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.edx, physical);
code.mov(code.rcx, regs.Read<s64>(RT(instr)));
code.lea(code.ARG2,
code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.ARG3, physical);
code.mov(code.ARG4, regs.Read<s64>(RT(instr)));
emitMemberFunctionCall(&Mem::WriteJIT<u32>, &mem);
}
@@ -1329,8 +1333,9 @@ void JIT::sw(const u32 instr) {
// regs.cop0.FireException(Cop0::GetTLBExceptionCode(regs.cop0.tlbError, Cop0::STORE), 0, regs.oldPC);
Util::panic("[JIT]: Unhandled TLBS exception in SW!");
} else {
code.mov(code.rsi, code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.edx, physical);
code.mov(code.ARG2,
code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.ARG3, physical);
regs.Read<s64>(RT(instr), code.rcx);
emitMemberFunctionCall(&Mem::WriteJIT<u32>, &mem);
}
@@ -1341,16 +1346,16 @@ void JIT::sw(const u32 instr) {
if (regs.IsRegConstant(RT(instr))) {
const s16 offset = instr;
regs.Read<s64>(RS(instr), code.rdx);
code.add(code.rdx, offset);
code.add(code.ARG3, offset);
code.mov(code.esi, Cop0::STORE);
code.mov(code.ARG2, Cop0::STORE);
code.mov(code.rcx, reinterpret_cast<uintptr_t>(&physical));
code.mov(code.ARG4, reinterpret_cast<uintptr_t>(&physical));
emitMemberFunctionCall(&Cop0::MapVAddr, &regs.cop0);
code.mov(code.rsi, code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.edx, physical);
code.mov(code.rcx, regs.Read<s64>(RT(instr)));
code.mov(code.ARG2, code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.ARG3, physical);
code.mov(code.ARG4, regs.Read<s64>(RT(instr)));
emitMemberFunctionCall(&Mem::WriteJIT<u32>, &mem);
return;
@@ -1358,16 +1363,16 @@ void JIT::sw(const u32 instr) {
const s16 offset = instr;
regs.Read<s64>(RS(instr), code.rdx);
code.add(code.rdx, offset);
code.add(code.ARG3, offset);
code.mov(code.esi, Cop0::STORE);
code.mov(code.ARG2, Cop0::STORE);
code.mov(code.rcx, reinterpret_cast<uintptr_t>(&physical));
code.mov(code.ARG4, reinterpret_cast<uintptr_t>(&physical));
emitMemberFunctionCall(&Cop0::MapVAddr, &regs.cop0);
code.mov(code.rsi, code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.edx, physical);
regs.Read<s64>(RT(instr), code.rcx);
code.mov(code.ARG2, code.ptr[code.rbp + (reinterpret_cast<uintptr_t>(&regs) - reinterpret_cast<uintptr_t>(this))]);
code.mov(code.ARG3, physical);
regs.Read<s64>(RT(instr), code.ARG4);
emitMemberFunctionCall(&Mem::WriteJIT<u32>, &mem);
}