saulteafarmer/XenonRecomp
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Implement more instructions.

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This commit is contained in:
Skyth 2024-09-15 15:32:29 +03:00
parent 26122def54
commit d2c5000af1
2 changed files with 76 additions and 0 deletions
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75
PowerRecomp/main.cpp
View File

@ -413,8 +413,21 @@ int main()
break;
case PPC_INST_DCBTST:
// no op
break;
case PPC_INST_DCBZ:
print("\tmemset(base + ((");
if (insn.operands[0] != 0)
print("ctx.r{}.u32 + ", insn.operands[0]);
println("ctx.r{}.u32) & ~31), 0, 32);", insn.operands[1]);
break;
case PPC_INST_DCBZL:
print("\tmemset(base + ((");
if (insn.operands[0] != 0)
print("ctx.r{}.u32 + ", insn.operands[0]);
println("ctx.r{}.u32) & ~127), 0, 128);", insn.operands[1]);
break;
case PPC_INST_DIVD:
@ -604,6 +617,11 @@ int main()
break;
case PPC_INST_LDARX:
print("\tctx.reserved.u64 = PPC_LOAD_U64(");
if (insn.operands[1] != 0)
print("ctx.r{}.u32 + ", insn.operands[1]);
println("ctx.r{}.u32);", insn.operands[2]);
println("\tctx.r{}.u64 = ctx.reserved.u64;", insn.operands[0]);
break;
case PPC_INST_LDU:
@ -705,6 +723,11 @@ int main()
break;
case PPC_INST_LWARX:
print("\tctx.reserved.u32 = PPC_LOAD_U32(");
if (insn.operands[1] != 0)
print("ctx.r{}.u32 + ", insn.operands[1]);
println("ctx.r{}.u32);", insn.operands[2]);
println("\tctx.r{}.u64 = ctx.reserved.u32;", insn.operands[0]);
break;
case PPC_INST_LWAX:
@ -856,14 +879,32 @@ int main()
case PPC_INST_ROTLDI:
case PPC_INST_ROTLW:
case PPC_INST_ROTLWI:
break;
case PPC_INST_SLD:
println("\tctx.r{}.u64 = ctx.r{}.u8 & 0x40 ? 0 : ctx.r{}.u64 << (ctx.r{}.u8 & 0x7F);", insn.operands[0], insn.operands[2], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_SLW:
println("\tctx.r{}.u64 = ctx.r{}.u8 & 0x20 ? 0 : ctx.r{}.u32 << (ctx.r{}.u8 & 0x3F);", insn.operands[0], insn.operands[2], insn.operands[1], insn.operands[2]);
if (insn.opcode->opcode & 0x1)
println("\tctx.cr0.compare<int32_t>(ctx.r{}.s32, 0, ctx.xer);", insn.operands[0]);
break;
case PPC_INST_SRAD:
case PPC_INST_SRADI:
case PPC_INST_SRAW:
case PPC_INST_SRAWI:
break;
case PPC_INST_SRD:
println("\tctx.r{}.u64 = ctx.r{}.u8 & 0x40 ? 0 : ctx.r{}.u64 >> (ctx.r{}.u8 & 0x7F);", insn.operands[0], insn.operands[2], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_SRW:
println("\tctx.r{}.u64 = ctx.r{}.u8 & 0x20 ? 0 : ctx.r{}.u32 >> (ctx.r{}.u8 & 0x3F);", insn.operands[0], insn.operands[2], insn.operands[1], insn.operands[2]);
if (insn.opcode->opcode & 0x1)
println("\tctx.cr0.compare<int32_t>(ctx.r{}.s32, 0, ctx.xer);", insn.operands[0]);
break;
case PPC_INST_STB:
@ -894,6 +935,14 @@ int main()
break;
case PPC_INST_STDCX:
println("\tctx.cr0.lt = 0;");
println("\tctx.cr0.gt = 0;");
print("\tctx.cr0.eq = _InterlockedCompareExchange64(reinterpret_cast<__int64*>(base + ");
if (insn.operands[1] != 0)
print("ctx.r{}.u32 + ", insn.operands[1]);
println("ctx.r{}.u32), _byteswap_uint64(ctx.r{}.s64), _byteswap_uint64(ctx.reserved.s64)) == _byteswap_uint64(ctx.reserved.s64);",
insn.operands[2], insn.operands[0]);
println("\tctx.cr0.so = ctx.xer.so;");
break;
case PPC_INST_STDU:
@ -993,6 +1042,14 @@ int main()
break;
case PPC_INST_STWCX:
println("\tctx.cr0.lt = 0;");
println("\tctx.cr0.gt = 0;");
print("\tctx.cr0.eq = _InterlockedCompareExchange(reinterpret_cast<long*>(base + ");
if (insn.operands[1] != 0)
print("ctx.r{}.u32 + ", insn.operands[1]);
println("ctx.r{}.u32), _byteswap_ulong(ctx.r{}.s32), _byteswap_ulong(ctx.reserved.s32)) == _byteswap_ulong(ctx.reserved.s32);",
insn.operands[2], insn.operands[0]);
println("\tctx.cr0.so = ctx.xer.so;");
break;
case PPC_INST_STWU:
@ -1035,11 +1092,29 @@ int main()
break;
case PPC_INST_SYNC:
// no op?
break;
case PPC_INST_TDLGEI:
// no op
break;
case PPC_INST_TDLLEI:
// no op
break;
case PPC_INST_TWI:
// no op
break;
case PPC_INST_TWLGEI:
// no op
break;
case PPC_INST_TWLLEI:
// no op
break;
case PPC_INST_VADDFP:
case PPC_INST_VADDFP128:
case PPC_INST_VADDSHS:

1
PowerUtils/ppc_context.h
View File

@ -104,6 +104,7 @@ struct PPCContext
uint64_t lr;
uint64_t ctr;
PPCXERRegister xer;
PPCRegister reserved;
union
{