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XenonRecomp/PowerRecomp/main.cpp

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#include <file.h>
#include <image.h>
#include <function.h>
#include <format>
#include <print>
#include <disasm.h>
#include <filesystem>
#include <xbox.h>
#include <cassert>
#define TEST_FILE "default.xex"
int main()
{
const auto file = LoadFile(TEST_FILE).value();
auto image = Image::ParseImage(file.data(), file.size()).value();
std::println("Analysing functions...");
uint32_t cxxFrameHandler = std::byteswap(0x831B1C90);
uint32_t cSpecificFrameHandler = std::byteswap(0x8324B3BC);
image.symbols.emplace("__CxxFrameHandler", 0x831B1C90, 0x38, Symbol_Function);
image.symbols.emplace("__C_specific_handler", 0x82BD7780, 0x38, Symbol_Function);
image.symbols.emplace("__memcpy", 0x831B0ED0, 0x488, Symbol_Function);
image.symbols.emplace("__memset", 0x831B0BA0, 0xA0, Symbol_Function);
image.symbols.emplace("__blkmov", 0x831B1358, 0xA8, Symbol_Function);
image.symbols.emplace(std::format("sub_{:X}", 0x82EF5D78), 0x82EF5D78, 0x3F8, Symbol_Function);
std::vector<Function> functions;
auto& pdata = *image.Find(".pdata");
size_t count = pdata.size / sizeof(IMAGE_CE_RUNTIME_FUNCTION);
auto* pf = (IMAGE_CE_RUNTIME_FUNCTION*)pdata.data;
for (size_t i = 0; i < count; i++)
{
auto fn = pf[i];
fn.BeginAddress = std::byteswap(fn.BeginAddress);
fn.Data = std::byteswap(fn.Data);
auto& f = functions.emplace_back();
f.base = fn.BeginAddress;
f.size = fn.FunctionLength * 4;
image.symbols.emplace(std::format("sub_{:X}", f.base), f.base, f.size, Symbol_Function);
}
std::vector<Function> missingFunctions;
for (const auto& section : image.sections)
{
if (!(section.flags & SectionFlags_Code))
{
continue;
}
size_t base = section.base;
uint8_t* data = section.data;
uint8_t* dataEnd = section.data + section.size;
const Symbol* prevSymbol = nullptr;
while (data < dataEnd)
{
if (*(uint32_t*)data == 0)
{
data += 4;
base += 4;
continue;
}
if (*(uint32_t*)data == cxxFrameHandler || *(uint32_t*)data == cSpecificFrameHandler)
{
data += 8;
base += 8;
continue;
}
auto fnSymbol = image.symbols.find(base);
if (fnSymbol != image.symbols.end() && fnSymbol->type == Symbol_Function)
{
assert(fnSymbol->address == base);
prevSymbol = &*fnSymbol;
base += fnSymbol->size;
data += fnSymbol->size;
}
else
{
auto& missingFn = missingFunctions.emplace_back(Function::Analyze(data, dataEnd - data, base));
image.symbols.emplace(std::format("sub_{:X}", missingFn.base), missingFn.base, missingFn.size, Symbol_Function);
base += missingFn.size;
data += missingFn.size;
}
}
}
std::string out;
out.reserve(512 * 1024 * 1024);
auto print = [&]<class... Args>(std::format_string<Args...> fmt, Args&&... args)
{
std::vformat_to(std::back_inserter(out), fmt.get(), std::make_format_args(args...));
};
auto println = [&]<class... Args>(std::format_string<Args...> fmt, Args&&... args)
{
std::vformat_to(std::back_inserter(out), fmt.get(), std::make_format_args(args...));
out += '\n';
};
println("#include <ppc_context.h>\n");
for (auto& symbol : image.symbols)
println("PPC_FUNC void {}(PPCContext& __restrict ctx, uint8_t* base);", symbol.name);
println("");
for (size_t funcIdx = 0; funcIdx < functions.size(); funcIdx++)
{
if ((funcIdx % 100) == 0)
std::println("Recompiling functions... {}%", static_cast<float>(funcIdx) / functions.size() * 100.0f);
auto& fn = functions[funcIdx];
auto base = fn.base;
auto end = base + fn.size;
auto* data = (uint32_t*)image.Find(base);
auto symbol = image.symbols.find(fn.base);
if (symbol != image.symbols.end())
{
println("PPC_FUNC void {}(PPCContext& __restrict ctx, uint8_t* base) {{", symbol->name);
}
else
{
println("PPC_FUNC void sub_{:X}(PPCContext& __restrict ctx, uint8_t* base) {{", fn.base);
}
println("\tPPCRegister temp;");
println("\tuint32_t ea;\n");
ppc_insn insn;
while (base < end)
{
println("loc_{:X}:", base);
ppc::Disassemble(data, 4, base, insn);
base += 4;
++data;
if (insn.opcode == nullptr)
{
println("\t// {:x} {}", base - 4, insn.op_str);
}
else
{
println("\t// {:x} {} {}", base - 4, insn.opcode->name, insn.op_str);
auto printFunctionCall = [&](uint32_t ea)
{
auto targetSymbol = image.symbols.find(ea);
if (targetSymbol != image.symbols.end() && targetSymbol->type == Symbol_Function)
{
println("\t{}(ctx, base);", targetSymbol->name);
}
else
{
println("\tctx.fn[0x{:X}](ctx, base);", ea / 4);
}
};
auto printConditionalBranch = [&](bool not_, const std::string_view& cond)
{
if (insn.operands[1] < fn.base || insn.operands[1] >= fn.base + fn.size)
{
println("\tif ({}ctx.cr{}.{}) {{", not_ ? "!" : "", insn.operands[0], cond);
print("\t");
printFunctionCall(insn.operands[1]);
println("\t\treturn;");
println("\t}}");
}
else
{
println("\tif ({}ctx.cr{}.{}) goto loc_{:X};", not_ ? "!" : "", insn.operands[0], cond, insn.operands[1]);
}
};
switch (insn.opcode->id)
{
case PPC_INST_ADD:
println("\tctx.r{}.u64 = ctx.r{}.u64 + ctx.r{}.u64;", insn.operands[0], 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_ADDI:
println("\tctx.r{}.s64 = ctx.r{}.s64 + {};", insn.operands[0], insn.operands[1], static_cast<int32_t>(insn.operands[2]));
break;
case PPC_INST_ADDIC:
println("\tctx.xer.ca = _addcarry_u64(0, ctx.r{}.u64, uint64_t(int64_t({})), &ctx.r{}.u64);", insn.operands[1], static_cast<int32_t>(insn.operands[2]), insn.operands[0]);
if (insn.opcode->opcode & 0x1)
println("\tctx.cr0.compare<int32_t>(ctx.r{}.s32, 0, ctx.xer);", insn.operands[0]);
break;
case PPC_INST_ADDIS:
println("\tctx.r{}.s64 = ctx.r{}.s64 + {};", insn.operands[0], insn.operands[1], static_cast<int32_t>(insn.operands[2] << 16));
break;
case PPC_INST_ADDZE:
println("\tctx.xer.ca = _addcarry_u64(ctx.xer.ca, ctx.r{}.u64, 0, &ctx.r{}.u64);", insn.operands[1], insn.operands[0]);
if (insn.opcode->opcode & 0x1)
println("\tctx.cr0.compare<int32_t>(ctx.r{}.s32, 0, ctx.xer);", insn.operands[0]);
break;
case PPC_INST_AND:
println("\tctx.r{}.u64 = ctx.r{}.u64 & ctx.r{}.u64;", insn.operands[0], 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_ANDC:
println("\tctx.r{}.u64 = ctx.r{}.u64 & ~ctx.r{}.u64;", insn.operands[0], 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_ANDI:
println("\tctx.r{}.u64 = ctx.r{}.u64 & {};", insn.operands[0], 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_ANDIS:
println("\tctx.r{}.u64 = ctx.r{}.u64 & {};", insn.operands[0], insn.operands[1], insn.operands[2] << 16);
if (insn.opcode->opcode & 0x1)
println("\tctx.cr0.compare<int32_t>(ctx.r{}.s32, 0, ctx.xer);", insn.operands[0]);
break;
case PPC_INST_ATTN:
// undefined instruction
break;
case PPC_INST_B:
if (insn.operands[0] < fn.base || insn.operands[0] >= fn.base + fn.size)
{
printFunctionCall(insn.operands[0]);
println("\treturn;");
}
else
{
println("\tgoto loc_{:X};", insn.operands[0]);
}
break;
case PPC_INST_BCTR:
println("\tctx.fn[ctx.ctr / 4](ctx, base);");
println("\treturn;");
break;
case PPC_INST_BCTRL:
println("\tctx.lr = 0x{:X};", base);
println("\tctx.fn[ctx.ctr / 4](ctx, base);");
break;
case PPC_INST_BDNZ:
println("\tif (--ctx.ctr != 0) goto loc_{:X};", insn.operands[0]);
break;
case PPC_INST_BDNZF:
break;
case PPC_INST_BEQ:
printConditionalBranch(false, "eq");
break;
case PPC_INST_BEQLR:
println("\tif (ctx.cr{}.eq) return;", insn.operands[0]);
break;
case PPC_INST_BGE:
printConditionalBranch(true, "lt");
break;
case PPC_INST_BGELR:
println("\tif (!ctx.cr{}.lt) return;", insn.operands[0]);
break;
case PPC_INST_BGT:
printConditionalBranch(false, "gt");
break;
case PPC_INST_BGTLR:
println("\tif (ctx.cr{}.gt) return;", insn.operands[0]);
break;
case PPC_INST_BL:
println("\tctx.lr = 0x{:X};", base);
printFunctionCall(insn.operands[0]);
break;
case PPC_INST_BLE:
printConditionalBranch(true, "gt");
break;
case PPC_INST_BLELR:
println("\tif (!ctx.cr{}.gt) return;", insn.operands[0]);
break;
case PPC_INST_BLR:
println("\treturn;");
break;
case PPC_INST_BLRL:
break;
case PPC_INST_BLT:
printConditionalBranch(false, "lt");
break;
case PPC_INST_BLTLR:
println("\tif (ctx.cr{}.lt) return;", insn.operands[0]);
break;
case PPC_INST_BNE:
printConditionalBranch(true, "eq");
break;
case PPC_INST_BNECTR:
break;
case PPC_INST_BNELR:
println("\tif (!ctx.cr{}.eq) return;", insn.operands[0]);
break;
case PPC_INST_CCTPL:
// no op
break;
case PPC_INST_CCTPM:
// no op
break;
case PPC_INST_CLRLDI:
println("\tctx.r{}.u64 = ctx.r{}.u64 & 0x{:X};", insn.operands[0], insn.operands[1], (1ull << (64 - insn.operands[2])) - 1);
break;
case PPC_INST_CLRLWI:
println("\tctx.r{}.u64 = ctx.r{}.u32 & 0x{:X};", insn.operands[0], insn.operands[1], (1ull << (32 - insn.operands[2])) - 1);
if (insn.opcode->opcode & 0x1)
println("\tctx.cr0.compare<int32_t>(ctx.r{}.s32, 0, ctx.xer);", insn.operands[0]);
break;
case PPC_INST_CMPD:
println("\tctx.cr{}.compare<int64_t>(ctx.r{}.s64, ctx.r{}.s64, ctx.xer);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_CMPDI:
println("\tctx.cr{}.compare<int64_t>(ctx.r{}.s64, {}, ctx.xer);", insn.operands[0], insn.operands[1], int32_t(insn.operands[2]));
break;
case PPC_INST_CMPLD:
println("\tctx.cr{}.compare<uint64_t>(ctx.r{}.u64, ctx.r{}.u64, ctx.xer);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_CMPLDI:
println("\tctx.cr{}.compare<uint64_t>(ctx.r{}.u64, {}, ctx.xer);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_CMPLW:
println("\tctx.cr{}.compare<uint32_t>(ctx.r{}.u32, ctx.r{}.u32, ctx.xer);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_CMPLWI:
println("\tctx.cr{}.compare<uint32_t>(ctx.r{}.u32, {}, ctx.xer);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_CMPW:
println("\tctx.cr{}.compare<int32_t>(ctx.r{}.s32, ctx.r{}.s32, ctx.xer);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_CMPWI:
println("\tctx.cr{}.compare<int32_t>(ctx.r{}.s32, {}, ctx.xer);", insn.operands[0], insn.operands[1], int32_t(insn.operands[2]));
break;
case PPC_INST_CNTLZD:
println("\tctx.r{}.u64 = __lzcnt64(ctx.r{}.u64);", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_CNTLZW:
println("\tctx.r{}.u64 = __lzcnt(ctx.r{}.u32);", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_DB16CYC:
// no op
break;
case PPC_INST_DCBF:
// no op
break;
case PPC_INST_DCBT:
// no op
break;
case PPC_INST_DCBTST:
case PPC_INST_DCBZ:
case PPC_INST_DCBZL:
case PPC_INST_DIVD:
case PPC_INST_DIVDU:
case PPC_INST_DIVW:
case PPC_INST_DIVWU:
break;
case PPC_INST_EIEIO:
// no op
break;
case PPC_INST_EXTSB:
println("\tctx.r{}.s64 = ctx.r{}.s8;", insn.operands[0], insn.operands[1]);
if (insn.opcode->opcode & 0x1)
println("\tctx.cr0.compare<int32_t>(ctx.r{}.s32, 0, ctx.xer);", insn.operands[0]);
break;
case PPC_INST_EXTSH:
println("\tctx.r{}.s64 = ctx.r{}.s16;", insn.operands[0], insn.operands[1]);
if (insn.opcode->opcode & 0x1)
println("\tctx.cr0.compare<int32_t>(ctx.r{}.s32, 0, ctx.xer);", insn.operands[0]);
break;
case PPC_INST_EXTSW:
println("\tctx.r{}.s64 = ctx.r{}.s32;", insn.operands[0], insn.operands[1]);
break;
// TODO: fpu operations require denormal flushing checks
case PPC_INST_FABS:
println("\tctx.f{}.f64 = fabs(ctx.f{}.f64);", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_FADD:
println("\tctx.f{}.f64 = ctx.f{}.f64 + ctx.f{}.f64;", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_FADDS:
println("\tctx.f{}.f64 = float(ctx.f{}.f64 + ctx.f{}.f64);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_FCFID:
// TODO: rounding mode?
println("\tctx.f{}.f64 = ctx.f{}.s64;", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_FCMPU:
println("\tctx.cr{}.compare(ctx.f{}.f64, ctx.f{}.f64);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_FCTID:
// TODO: rounding mode?
println("\tctx.f{}.s64 = ctx.f{}.f64;", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_FCTIDZ:
println("\tctx.f{}.s64 = ctx.f{}.f64;", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_FCTIWZ:
println("\tctx.f{}.s32 = ctx.f{}.f64;", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_FDIV:
println("\tctx.f{}.f64 = ctx.f{}.f64 / ctx.f{}.f64;", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_FDIVS:
println("\tctx.f{}.f64 = float(ctx.f{}.f64 / ctx.f{}.f64);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_FMADD:
println("\tctx.f{}.f64 = ctx.f{}.f64 * ctx.f{}.f64 + ctx.f{}.f64;", insn.operands[0], insn.operands[1], insn.operands[2], insn.operands[3]);
break;
case PPC_INST_FMADDS:
println("\tctx.f{}.f64 = float(ctx.f{}.f64 * ctx.f{}.f64 + ctx.f{}.f64);", insn.operands[0], insn.operands[1], insn.operands[2], insn.operands[3]);
break;
case PPC_INST_FMR:
println("\tctx.f{}.f64 = ctx.f{}.f64;", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_FMSUB:
println("\tctx.f{}.f64 = ctx.f{}.f64 * ctx.f{}.f64 - ctx.f{}.f64;", insn.operands[0], insn.operands[1], insn.operands[2], insn.operands[3]);
break;
case PPC_INST_FMSUBS:
println("\tctx.f{}.f64 = float(ctx.f{}.f64 * ctx.f{}.f64 - ctx.f{}.f64);", insn.operands[0], insn.operands[1], insn.operands[2], insn.operands[3]);
break;
case PPC_INST_FMUL:
println("\tctx.f{}.f64 = ctx.f{}.f64 * ctx.f{}.f64;", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_FMULS:
println("\tctx.f{}.f64 = float(ctx.f{}.f64 * ctx.f{}.f64);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_FNABS:
println("\tctx.f{}.f64 = -fabs(ctx.f{}.f64);", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_FNEG:
println("\tctx.f{}.f64 = -ctx.f{}.f64;", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_FNMADDS:
println("\tctx.f{}.f64 = -float(ctx.f{}.f64 * ctx.f{}.f64 + ctx.f{}.f64);", insn.operands[0], insn.operands[1], insn.operands[2], insn.operands[3]);
break;
case PPC_INST_FNMSUB:
println("\tctx.f{}.f64 = -(ctx.f{}.f64 * ctx.f{}.f64 - ctx.f{}.f64);", insn.operands[0], insn.operands[1], insn.operands[2], insn.operands[3]);
break;
case PPC_INST_FNMSUBS:
println("\tctx.f{}.f64 = -float(ctx.f{}.f64 * ctx.f{}.f64 - ctx.f{}.f64);", insn.operands[0], insn.operands[1], insn.operands[2], insn.operands[3]);
break;
case PPC_INST_FRES:
println("\tctx.f{}.f64 = 1.0 / ctx.f{}.f64;", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_FRSP:
println("\tctx.f{}.f64 = float(ctx.f{}.f64);", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_FSEL:
println("\tctx.f{}.f64 = ctx.f{}.f64 >= 0.0 ? ctx.f{}.f64 : ctx.f{}.f64;", insn.operands[0], insn.operands[1], insn.operands[2], insn.operands[3]);
break;
case PPC_INST_FSQRT:
println("\tctx.f{}.f64 = sqrt(ctx.f{}.f64);", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_FSQRTS:
println("\tctx.f{}.f64 = float(sqrt(ctx.f{}.f64));", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_FSUB:
println("\tctx.f{}.f64 = ctx.f{}.f64 - ctx.f{}.f64;", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_FSUBS:
println("\tctx.f{}.f64 = float(ctx.f{}.f64 - ctx.f{}.f64);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_LBZ:
println("\tctx.r{}.u64 = PPC_LOAD_U8({} + ctx.r{}.u32);", insn.operands[0], int32_t(insn.operands[1]), insn.operands[2]);
break;
case PPC_INST_LBZU:
println("\tea = {} + ctx.r{}.u32;", int32_t(insn.operands[1]), insn.operands[2]);
println("\tctx.r{}.u64 = PPC_LOAD_U8(ea);", insn.operands[0]);
println("\tctx.r{}.u64 = ea;", insn.operands[2]);
break;
case PPC_INST_LBZX:
println("\tctx.r{}.u64 = PPC_LOAD_U8(ctx.r{}.u32 + ctx.r{}.u32);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_LD:
println("\tctx.r{}.u64 = PPC_LOAD_U64({} + ctx.r{}.u32);", insn.operands[0], int32_t(insn.operands[1]), insn.operands[2]);
break;
case PPC_INST_LDARX:
break;
case PPC_INST_LDU:
println("\tea = {} + ctx.r{}.u32;", int32_t(insn.operands[1]), insn.operands[2]);
println("\tctx.r{}.u64 = PPC_LOAD_U64(ea);", insn.operands[0]);
println("\tctx.r{}.u64 = ea;", insn.operands[2]);
break;
case PPC_INST_LDX:
println("\tctx.r{}.u64 = PPC_LOAD_U64(ctx.r{}.u32 + ctx.r{}.u32);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_LFD:
println("\tctx.f{}.u64 = PPC_LOAD_U64({} + ctx.r{}.u32);", insn.operands[0], int32_t(insn.operands[1]), insn.operands[2]);
break;
case PPC_INST_LFDX:
println("\tctx.f{}.u64 = PPC_LOAD_U64(ctx.r{}.u32 + ctx.r{}.u32);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_LFS:
println("\ttemp.u32 = PPC_LOAD_U32({} + ctx.r{}.u32);", int32_t(insn.operands[1]), insn.operands[2]);
println("\tctx.f{}.f64 = temp.f32;", insn.operands[0]);
break;
case PPC_INST_LFSX:
println("\ttemp.u32 = PPC_LOAD_U32(ctx.r{}.u32 + ctx.r{}.u32);", insn.operands[1], insn.operands[2]);
println("\tctx.f{}.f64 = temp.f32;", insn.operands[0]);
break;
case PPC_INST_LHA:
println("\tctx.r{}.s64 = int16_t(PPC_LOAD_U16({} + ctx.r{}.u32));", insn.operands[0], int32_t(insn.operands[1]), insn.operands[2]);
break;
case PPC_INST_LHAX:
println("\tctx.r{}.s64 = int16_t(PPC_LOAD_U16(ctx.r{}.u32 + ctx.r{}.u32));", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_LHZ:
println("\tctx.r{}.u64 = PPC_LOAD_U16({} + ctx.r{}.u32);", insn.operands[0], int32_t(insn.operands[1]), insn.operands[2]);
break;
case PPC_INST_LHZX:
println("\tctx.r{}.u64 = PPC_LOAD_U16(ctx.r{}.u32 + ctx.r{}.u32);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_LI:
// TODO: validate the sign extend
println("\tctx.r{}.s64 = {};", insn.operands[0], int32_t(insn.operands[1]));
break;
case PPC_INST_LIS:
// TODO: validate the sign extend
println("\tctx.r{}.s64 = {};", insn.operands[0], int32_t(insn.operands[1] << 16));
break;
case PPC_INST_LVEWX:
case PPC_INST_LVEWX128:
case PPC_INST_LVLX:
case PPC_INST_LVLX128:
case PPC_INST_LVRX:
case PPC_INST_LVRX128:
case PPC_INST_LVSL:
case PPC_INST_LVSR:
case PPC_INST_LVX:
case PPC_INST_LVX128:
break;
case PPC_INST_LWA:
println("\tctx.r{}.s64 = int32_t(PPC_LOAD_U32({} + ctx.r{}.u32));", insn.operands[0], int32_t(insn.operands[1]), insn.operands[2]);
break;
case PPC_INST_LWARX:
break;
case PPC_INST_LWAX:
println("\tctx.r{}.s64 = int32_t(PPC_LOAD_U32(ctx.r{}.u32 + ctx.r{}.u32));", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_LWBRX:
println("\tctx.r{}.u64 = _byteswap_ulong(PPC_LOAD_U32(ctx.r{}.u32 + ctx.r{}.u32));", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_LWSYNC:
// no op
break;
case PPC_INST_LWZ:
println("\tctx.r{}.u64 = PPC_LOAD_U32({} + ctx.r{}.u32);", insn.operands[0], int32_t(insn.operands[1]), insn.operands[2]);
break;
case PPC_INST_LWZU:
println("\tea = {} + ctx.r{}.u32;", int32_t(insn.operands[1]), insn.operands[2]);
println("\tctx.r{}.u64 = PPC_LOAD_U32(ea);", insn.operands[0]);
println("\tctx.r{}.u64 = ea;", insn.operands[2]);
break;
case PPC_INST_LWZX:
println("\tctx.r{}.u64 = PPC_LOAD_U32(ctx.r{}.u32 + ctx.r{}.u32);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_MFCR:
case PPC_INST_MFFS:
break;
case PPC_INST_MFLR:
println("\tctx.r{}.u64 = ctx.lr;", insn.operands[0]);
break;
case PPC_INST_MFMSR:
case PPC_INST_MFOCRF:
case PPC_INST_MFTB:
break;
case PPC_INST_MR:
println("\tctx.r{}.u64 = ctx.r{}.u64;", insn.operands[0], insn.operands[1]);
if (insn.opcode->opcode & 0x1)
println("\tctx.cr0.compare<int32_t>(ctx.r{}.s32, 0, ctx.xer);", insn.operands[0]);
break;
case PPC_INST_MTCR:
break;
case PPC_INST_MTCTR:
println("\tctx.ctr = ctx.r{}.u64;", insn.operands[0]);
break;
case PPC_INST_MTFSF:
break;
case PPC_INST_MTLR:
println("\tctx.lr = ctx.r{}.u64;", insn.operands[0]);
break;
case PPC_INST_MTMSRD:
case PPC_INST_MTXER:
case PPC_INST_MULCHWU:
case PPC_INST_MULHHW:
break;
case PPC_INST_MULHW:
// TODO: might be having 32 bit truncation here
println("\tctx.r{}.s64 = int64_t(ctx.r{}.s32 * ctx.r{}.s32) << 32;", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_MULHWU:
// TODO: might be having 32 bit truncation here
println("\tctx.r{}.u64 = uint64_t(ctx.r{}.u32 * ctx.r{}.u32) << 32;", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_MULLD:
println("\tctx.r{}.s64 = ctx.r{}.s64 * ctx.r{}.s64;", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_MULLI:
println("\tctx.r{}.s64 = ctx.r{}.s64 * {};", insn.operands[0], insn.operands[1], static_cast<int32_t>(insn.operands[2]));
break;
case PPC_INST_MULLW:
println("\tctx.r{}.s64 = ctx.r{}.s32 * ctx.r{}.s32;", insn.operands[0], 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_NAND:
println("\tctx.r{}.u64 = ~(ctx.r{}.u64 & ctx.r{}.u64);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_NEG:
println("\tctx.r{}.s64 = -ctx.r{}.s64;", insn.operands[0], insn.operands[1]);
if (insn.opcode->opcode & 0x1)
println("\tctx.cr0.compare<int32_t>(ctx.r{}.s32, 0, ctx.xer);", insn.operands[0]);
break;
case PPC_INST_NOP:
// no op
break;
case PPC_INST_NOR:
println("\tctx.r{}.u64 = ~(ctx.r{}.u64 | ctx.r{}.u64);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_NOT:
println("\tctx.r{}.u64 = ~ctx.r{}.u64;", insn.operands[0], insn.operands[1]);
if (insn.opcode->opcode & 0x1)
println("\tctx.cr0.compare<int32_t>(ctx.r{}.s32, 0, ctx.xer);", insn.operands[0]);
break;
case PPC_INST_OR:
println("\tctx.r{}.u64 = ctx.r{}.u64 | ctx.r{}.u64;", insn.operands[0], 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_ORC:
println("\tctx.r{}.u64 = ctx.r{}.u64 | ~ctx.r{}.u64;", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_ORI:
println("\tctx.r{}.u64 = ctx.r{}.u64 | {};", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_ORIS:
println("\tctx.r{}.u64 = ctx.r{}.u64 | {};", insn.operands[0], insn.operands[1], insn.operands[2] << 16);
break;
case PPC_INST_RLDICL:
case PPC_INST_RLDICR:
case PPC_INST_RLDIMI:
case PPC_INST_RLWIMI:
case PPC_INST_RLWINM:
case PPC_INST_ROTLDI:
case PPC_INST_ROTLW:
case PPC_INST_ROTLWI:
case PPC_INST_SLD:
case PPC_INST_SLW:
case PPC_INST_SRAD:
case PPC_INST_SRADI:
case PPC_INST_SRAW:
case PPC_INST_SRAWI:
case PPC_INST_SRD:
case PPC_INST_SRW:
break;
case PPC_INST_STB:
println("\tPPC_STORE_U8({} + ctx.r{}.u32, ctx.r{}.u8);", int32_t(insn.operands[1]), insn.operands[2], insn.operands[0]);
break;
case PPC_INST_STBU:
println("\tea = {} + ctx.r{}.u32;", int32_t(insn.operands[1]), insn.operands[2]);
println("\tPPC_STORE_U8(ea, ctx.r{}.u8);", insn.operands[0]);
println("\tctx.r{}.u64 = ea;", insn.operands[0]);
break;
case PPC_INST_STBX:
println("\tPPC_STORE_U8(ctx.r{}.u32 + ctx.r{}.u32, ctx.r{}.u8);", insn.operands[1], insn.operands[2], insn.operands[0]);
break;
case PPC_INST_STD:
println("\tPPC_STORE_U64({} + ctx.r{}.u32, ctx.r{}.u64);", int32_t(insn.operands[1]), insn.operands[2], insn.operands[0]);
break;
case PPC_INST_STDCX:
break;
case PPC_INST_STDU:
println("\tea = {} + ctx.r{}.u32;", int32_t(insn.operands[1]), insn.operands[2]);
println("\tPPC_STORE_U64(ea, ctx.r{}.u64);", insn.operands[0]);
println("\tctx.r{}.u64 = ea;", insn.operands[0]);
break;
case PPC_INST_STDX:
println("\tPPC_STORE_U64(ctx.r{}.u32 + ctx.r{}.u32, ctx.r{}.u64);", insn.operands[1], insn.operands[2], insn.operands[0]);
break;
case PPC_INST_STFD:
println("\tPPC_STORE_U64({} + ctx.r{}.u32, ctx.f{}.u64);", int32_t(insn.operands[1]), insn.operands[2], insn.operands[0]);
break;
case PPC_INST_STFDX:
println("\tPPC_STORE_U64(ctx.r{}.u32 + ctx.r{}.u32, ctx.f{}.u64);", insn.operands[1], insn.operands[2], insn.operands[0]);
break;
case PPC_INST_STFIWX:
println("\tPPC_STORE_U32(ctx.r{}.u32 + ctx.r{}.u32, ctx.f{}.u32);", insn.operands[1], insn.operands[2], insn.operands[0]);
break;
case PPC_INST_STFS:
println("\ttemp.f32 = ctx.f{}.f64;", insn.operands[0]);
println("\tPPC_STORE_U32({} + ctx.r{}.u32, temp.u32);", int32_t(insn.operands[1]), insn.operands[2]);
break;
case PPC_INST_STFSX:
println("\ttemp.f32 = ctx.f{}.f64;", insn.operands[0]);
println("\tPPC_STORE_U32(ctx.r{}.u32 + ctx.r{}.u32, temp.u32);", insn.operands[1], insn.operands[2]);
break;
case PPC_INST_STH:
println("\tPPC_STORE_U16({} + ctx.r{}.u32, ctx.r{}.u16);", int32_t(insn.operands[1]), insn.operands[2], insn.operands[0]);
break;
case PPC_INST_STHBRX:
println("\tPPC_STORE_U16(ctx.r{}.u32 + ctx.r{}.u32, _byteswap_ushort(ctx.r{}.u16));", insn.operands[1], insn.operands[2], insn.operands[0]);
break;
case PPC_INST_STHX:
println("\tPPC_STORE_U16(ctx.r{}.u32 + ctx.r{}.u32, ctx.r{}.u16);", insn.operands[1], insn.operands[2], insn.operands[0]);
break;
case PPC_INST_STVEHX:
case PPC_INST_STVEWX:
case PPC_INST_STVEWX128:
case PPC_INST_STVLX:
case PPC_INST_STVLX128:
case PPC_INST_STVRX:
case PPC_INST_STVRX128:
case PPC_INST_STVX:
case PPC_INST_STVX128:
break;
case PPC_INST_STW:
println("\tPPC_STORE_U32({} + ctx.r{}.u32, ctx.r{}.u32);", int32_t(insn.operands[1]), insn.operands[2], insn.operands[0]);
break;
case PPC_INST_STWBRX:
println("\tPPC_STORE_U32(ctx.r{}.u32 + ctx.r{}.u32, _byteswap_ulong(ctx.r{}.u32));", insn.operands[1], insn.operands[2], insn.operands[0]);
break;
case PPC_INST_STWCX:
break;
case PPC_INST_STWU:
println("\tea = {} + ctx.r{}.u32;", int32_t(insn.operands[1]), insn.operands[2]);
println("\tPPC_STORE_U32(ea, ctx.r{}.u32);", insn.operands[0]);
println("\tctx.r{}.u64 = ea;", insn.operands[0]);
break;
case PPC_INST_STWUX:
println("\tea = ctx.r{}.u32 + ctx.r{}.u32;", insn.operands[1], insn.operands[2]);
println("\tPPC_STORE_U32(ea, ctx.r{}.u32);", insn.operands[0]);
println("\tctx.r{}.u32 = ea;", insn.operands[0]);
break;
case PPC_INST_STWX:
println("\tPPC_STORE_U32(ctx.r{}.u32 + ctx.r{}.u32, ctx.r{}.u32);", insn.operands[1], insn.operands[2], insn.operands[0]);
break;
case PPC_INST_SUBF:
println("\tctx.r{}.s64 = ctx.r{}.s64 - ctx.r{}.s64;", insn.operands[0], 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_SUBFC:
println("\tctx.xer.ca = _subborrow_u64(0, ctx.r{}.u64, ctx.r{}.u64, &ctx.r{}.u64);", insn.operands[2], insn.operands[1], insn.operands[0]);
if (insn.opcode->opcode & 0x1)
println("\tctx.cr0.compare<int32_t>(ctx.r{}.s32, 0, ctx.xer);", insn.operands[0]);
break;
case PPC_INST_SUBFE:
println("\tctx.xer.ca = _addcarry_u64(ctx.xer.ca, ~ctx.r{}.u64, ctx.r{}.u64, &ctx.r{}.u64);", insn.operands[1], insn.operands[2], insn.operands[0]);
break;
case PPC_INST_SUBFIC:
println("\tctx.xer.ca = _subborrow_u64(0, uint64_t(int64_t({})), ctx.r{}.u64, &ctx.r{}.u64);", static_cast<int32_t>(insn.operands[2]), insn.operands[1], insn.operands[0]);
break;
case PPC_INST_SYNC:
case PPC_INST_TDLGEI:
case PPC_INST_TDLLEI:
case PPC_INST_TWI:
case PPC_INST_TWLGEI:
case PPC_INST_TWLLEI:
case PPC_INST_VADDFP:
case PPC_INST_VADDFP128:
case PPC_INST_VADDSHS:
case PPC_INST_VADDUBM:
case PPC_INST_VADDUBS:
case PPC_INST_VADDUHM:
case PPC_INST_VADDUWM:
case PPC_INST_VADDUWS:
case PPC_INST_VAND:
case PPC_INST_VAND128:
case PPC_INST_VANDC128:
case PPC_INST_VAVGSB:
case PPC_INST_VAVGSH:
case PPC_INST_VAVGUB:
case PPC_INST_VCFPSXWS128:
case PPC_INST_VCFSX:
case PPC_INST_VCFUX:
case PPC_INST_VCMPBFP128:
case PPC_INST_VCMPEQFP:
case PPC_INST_VCMPEQFP128:
case PPC_INST_VCMPEQUB:
case PPC_INST_VCMPEQUW:
case PPC_INST_VCMPEQUW128:
case PPC_INST_VCMPGEFP:
case PPC_INST_VCMPGEFP128:
case PPC_INST_VCMPGTFP:
case PPC_INST_VCMPGTFP128:
case PPC_INST_VCMPGTUB:
case PPC_INST_VCMPGTUH:
case PPC_INST_VCSXWFP128:
case PPC_INST_VCTSXS:
case PPC_INST_VCUXWFP128:
case PPC_INST_VEXPTEFP128:
case PPC_INST_VLOGEFP128:
case PPC_INST_VMADDCFP128:
case PPC_INST_VMADDFP:
case PPC_INST_VMADDFP128:
case PPC_INST_VMAXFP:
case PPC_INST_VMAXFP128:
case PPC_INST_VMAXSW:
case PPC_INST_VMINFP:
case PPC_INST_VMINFP128:
case PPC_INST_VMRGHB:
case PPC_INST_VMRGHH:
case PPC_INST_VMRGHW:
case PPC_INST_VMRGHW128:
case PPC_INST_VMRGLB:
case PPC_INST_VMRGLH:
case PPC_INST_VMRGLW:
case PPC_INST_VMRGLW128:
case PPC_INST_VMSUM3FP128:
case PPC_INST_VMSUM4FP128:
case PPC_INST_VMULFP128:
case PPC_INST_VNMSUBFP:
case PPC_INST_VNMSUBFP128:
case PPC_INST_VOR:
case PPC_INST_VOR128:
case PPC_INST_VPERM:
case PPC_INST_VPERM128:
case PPC_INST_VPERMWI128:
case PPC_INST_VPKD3D128:
case PPC_INST_VPKSHUS:
case PPC_INST_VREFP:
case PPC_INST_VREFP128:
case PPC_INST_VRFIM128:
case PPC_INST_VRFIN:
case PPC_INST_VRFIN128:
case PPC_INST_VRFIZ128:
case PPC_INST_VRLIMI128:
case PPC_INST_VRSQRTEFP:
case PPC_INST_VRSQRTEFP128:
case PPC_INST_VSEL:
case PPC_INST_VSLB:
case PPC_INST_VSLDOI:
case PPC_INST_VSLDOI128:
case PPC_INST_VSLW128:
case PPC_INST_VSPLTH:
case PPC_INST_VSPLTISB:
case PPC_INST_VSPLTISW:
case PPC_INST_VSPLTISW128:
case PPC_INST_VSPLTW:
case PPC_INST_VSPLTW128:
case PPC_INST_VSR:
case PPC_INST_VSRAW128:
case PPC_INST_VSRW:
case PPC_INST_VSRW128:
case PPC_INST_VSUBFP:
case PPC_INST_VSUBFP128:
case PPC_INST_VSUBSWS:
case PPC_INST_VSUBUBS:
case PPC_INST_VSUBUHM:
case PPC_INST_VUPKD3D128:
case PPC_INST_VUPKHSB128:
case PPC_INST_VUPKHSH:
case PPC_INST_VUPKLSB128:
case PPC_INST_VUPKLSH:
case PPC_INST_VXOR:
case PPC_INST_VXOR128:
break;
case PPC_INST_XOR:
println("\tctx.r{}.u64 = ctx.r{}.u64 ^ ctx.r{}.u64;", insn.operands[0], 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_XORI:
println("\tctx.r{}.u64 = ctx.r{}.u64 ^ {};", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_XORIS:
println("\tctx.r{}.u64 = ctx.r{}.u64 ^ {};", insn.operands[0], insn.operands[1], insn.operands[2] << 16);
break;
}
}
}
println("}}\n");
}
std::filesystem::create_directory("out");
FILE* f = fopen("out/" TEST_FILE ".cpp", "w");
fwrite(out.data(), 1, out.size(), f);
fclose(f);
return 0;
}
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