mirror of
https://github.com/KytyPS5/KytyPS5.git
synced 2026-10-20 19:07:01 +02:00
nmzik
71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
// SPDX-FileCopyrightText: Copyright 2026 shadPS4 Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#ifndef KYTY_LOADER_GUEST_INSTRUCTION_PATCHER_H_
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#define KYTY_LOADER_GUEST_INSTRUCTION_PATCHER_H_
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#include "common/common.h"
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#include <span>
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#include <vector>
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namespace Loader {
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struct GuestInstructionHostFeatures {
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bool sse4a = false;
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bool rdpid = false;
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bool clwb = false;
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};
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GuestInstructionHostFeatures GetGuestInstructionHostFeatures();
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struct InstructionPatchCounts {
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uint64_t found = 0;
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uint64_t native = 0;
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uint64_t trapped = 0;
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uint64_t Skipped() const { return found - native - trapped; }
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InstructionPatchCounts& operator+=(const InstructionPatchCounts& other) {
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found += other.found;
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native += other.native;
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trapped += other.trapped;
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return *this;
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}
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};
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struct GuestInstructionPatchResult {
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uint64_t function_count = 0;
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uint64_t instruction_count = 0;
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uint64_t red_zone_function_count = 0;
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uint64_t memory_instruction_count = 0;
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uint64_t short_memory_instruction_count = 0;
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uint64_t patched_memory_instruction_count = 0;
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uint64_t stack_dependent_memory_instruction_count = 0;
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uint64_t control_flow_memory_instruction_count = 0;
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uint64_t unrelocatable_memory_instruction_count = 0;
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uint64_t indirect_red_zone_function_count = 0;
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InstructionPatchCounts reciprocal_sqrt;
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InstructionPatchCounts extrq;
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InstructionPatchCounts insertq;
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InstructionPatchCounts rdpid;
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InstructionPatchCounts clwb;
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};
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void RegisterGuestInstructionPatchModule(void* module_ptr, uint64_t module_size,
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void* trampoline_area_ptr, uint64_t trampoline_area_size);
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void UnregisterGuestInstructionPatchModule(void* module_ptr);
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// Apply enabled instruction fixes using native trampolines or safe trap fallbacks.
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GuestInstructionPatchResult PatchGuestInstructions(
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uint64_t segment_addr, uint64_t segment_size, std::span<const uintptr_t> function_starts,
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bool protect_memory, bool emulate_amd,
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GuestInstructionHostFeatures host_features = GetGuestInstructionHostFeatures());
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bool DecodeEhFrameFunctionStarts(uint64_t eh_frame_header_addr, uint64_t eh_frame_header_size,
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std::vector<uintptr_t>* function_starts);
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} // namespace Loader
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#endif /* KYTY_LOADER_GUEST_INSTRUCTION_PATCHER_H_ */
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