93 lines
2.3 KiB
C++
93 lines
2.3 KiB
C++
/* This file is part of the dynarmic project.
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* Copyright (c) 2016 MerryMage
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* This software may be used and distributed according to the terms of the GNU
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* General Public License version 2 or any later version.
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*/
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#pragma once
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#include <array>
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#include <xbyak.h>
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#include "common/common_types.h"
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namespace Dynarmic::BackendX64 {
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class BlockOfCode;
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable:4324) // Structure was padded due to alignment specifier
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#endif
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struct A64JitState {
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using ProgramCounterType = u64;
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A64JitState() { ResetRSB(); }
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std::array<u64, 31> reg{};
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u64 sp = 0;
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u64 pc = 0;
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u32 CPSR_nzcv = 0;
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u32 GetPstate() const {
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return CPSR_nzcv;
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}
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void SetPstate(u32 new_pstate) {
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CPSR_nzcv = new_pstate & 0xF0000000;
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}
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alignas(16) std::array<u64, 64> vec{}; // Extension registers.
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static constexpr size_t SpillCount = 64;
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alignas(16) std::array<std::array<u64, 2>, SpillCount> spill{}; // Spill.
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static Xbyak::Address GetSpillLocationFromIndex(size_t i) {
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using namespace Xbyak::util;
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return xword[r15 + offsetof(A64JitState, spill) + i * sizeof(u64) * 2];
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}
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// For internal use (See: BlockOfCode::RunCode)
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u32 guest_MXCSR = 0x00001f80;
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u32 save_host_MXCSR = 0;
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s64 cycles_to_run = 0;
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s64 cycles_remaining = 0;
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bool halt_requested = false;
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bool check_bit = false;
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// Exclusive state
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static constexpr u64 RESERVATION_GRANULE_MASK = 0xFFFF'FFFF'FFFF'FFF0ull;
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u8 exclusive_state = 0;
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u64 exclusive_address = 0;
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static constexpr size_t RSBSize = 8; // MUST be a power of 2.
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static constexpr size_t RSBPtrMask = RSBSize - 1;
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u32 rsb_ptr = 0;
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std::array<u64, RSBSize> rsb_location_descriptors;
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std::array<u64, RSBSize> rsb_codeptrs;
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void ResetRSB() {
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rsb_location_descriptors.fill(0xFFFFFFFFFFFFFFFFull);
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rsb_codeptrs.fill(0);
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}
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u32 fpsr_exc = 0;
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u32 fpsr_qc = 0;
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u32 FPSCR_IDC = 0;
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u32 FPSCR_UFC = 0;
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u32 fpcr = 0;
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u32 GetFpcr() const;
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u32 GetFpsr() const;
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void SetFpcr(u32 new_fpcr);
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void SetFpsr(u32 new_fpcr);
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u64 GetUniqueHash() const;
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};
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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using CodePtr = const void*;
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} // namespace Dynarmic::BackendX64
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