shifathosn
/
AnyPS5
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix(relinker): decode EMMS without a ModRM byte

This commit is contained in:
SamG-Coder 2026-09-29 07:39:01 +10:00
parent 64066b6e9a
commit ee57519cb0
2 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
core/relinker/codegen/include/codegen/x86/X64OpcodeConstants.hpp
View File

@ -130,6 +130,7 @@ inline constexpr std::uint8_t TwoByteModRmRangeFMin = 0x38;
inline constexpr std::uint8_t TwoByteModRmRangeFMax = 0x3A;
inline constexpr std::uint8_t TwoByteModRmRangeGMin = 0x54;
inline constexpr std::uint8_t TwoByteModRmRangeGMax = 0x7F;
inline constexpr std::uint8_t TwoByteEmms = 0x77;
inline constexpr std::uint8_t TwoByteModRmRangeHMin = 0xD0;
inline constexpr std::uint8_t TwoByteModRmRangeHMax = 0xFE;
inline constexpr std::uint8_t TwoByteNopModRm = 0x1F;

2
core/relinker/codegen/src/x86/X64InstructionDecoder.cpp
View File

@ -252,7 +252,7 @@ std::size_t X64InstructionDecoder::Decode(const std::uint8_t* data, std::size_t
(opcode >= TwoByteModRmRangeCMin && opcode <= TwoByteModRmRangeCMax) ||
(opcode >= TwoByteModRmRangeDMin && opcode <= TwoByteModRmRangeDMax) ||
(opcode >= TwoByteModRmRangeEMin && opcode <= TwoByteModRmRangeEMax) ||
(opcode >= TwoByteModRmRangeGMin && opcode <= TwoByteModRmRangeGMax) ||
(opcode >= TwoByteModRmRangeGMin && opcode <= TwoByteModRmRangeGMax && opcode != TwoByteEmms) ||
(opcode >= TwoByteModRmRangeHMin && opcode <= TwoByteModRmRangeHMax) ||
(opcode >= TwoByteModRmRangeIMin && opcode <= TwoByteModRmRangeIMax) ||
(opcode >= TwoBytePrefetchGrpMin && opcode <= TwoBytePrefetchGrpMax) ||