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A64: Implement AESE

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Lioncash 2018-02-03 13:16:02 -05:00 • committed by MerryMage
parent 68f46c8334
commit ccef85dbb7
8 changed files with 98 additions and 8 deletions
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16
src/backend_x64/emit_x64_aes.cpp
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@ -16,10 +16,10 @@ namespace Dynarmic::BackendX64 {
using namespace Xbyak::util;
using MixColumnsFn = void(Common::AESState&, const Common::AESState&);
using AESFn = void(Common::AESState&, const Common::AESState&);
static void EmitMixColumns(std::array<Argument, 3> args, EmitContext& ctx, BlockOfCode& code,
IR::Inst* inst, MixColumnsFn fn) {
static void EmitAESFunction(std::array<Argument, 3> args, EmitContext& ctx, BlockOfCode& code,
IR::Inst* inst, AESFn fn) {
constexpr u32 stack_space = static_cast<u32>(sizeof(Common::AESState)) * 2;
const Xbyak::Xmm input = ctx.reg_alloc.UseXmm(args[0]);
ctx.reg_alloc.EndOfAllocScope();
@ -41,6 +41,12 @@ static void EmitMixColumns(std::array<Argument, 3> args, EmitContext& ctx, Block
ctx.reg_alloc.DefineValue(inst, xmm0);
}
void EmitX64::EmitAESEncryptSingleRound(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
EmitAESFunction(args, ctx, code, inst, Common::EncryptSingleRound);
}
void EmitX64::EmitAESInverseMixColumns(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
@ -52,13 +58,13 @@ void EmitX64::EmitAESInverseMixColumns(EmitContext& ctx, IR::Inst* inst) {
ctx.reg_alloc.DefineValue(inst, result);
} else {
EmitMixColumns(args, ctx, code, inst, Common::InverseMixColumns);
EmitAESFunction(args, ctx, code, inst, Common::InverseMixColumns);
}
}
void EmitX64::EmitAESMixColumns(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
EmitMixColumns(args, ctx, code, inst, Common::MixColumns);
EmitAESFunction(args, ctx, code, inst, Common::MixColumns);
}
} // namespace Dynarmic::BackendX64