dynarmic/src/backend_x64/a32_jitstate.h
2020-04-22 20:38:31 +01:00

81 lines
1.9 KiB
C++

/* This file is part of the dynarmic project.
* Copyright (c) 2016 MerryMage
* This software may be used and distributed according to the terms of the GNU
* General Public License version 2 or any later version.
*/
#pragma once
#include <array>
#include "common/common_types.h"
namespace Dynarmic {
namespace BackendX64 {
class BlockOfCode;
constexpr size_t SpillCount = 64;
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable:4324) // Structure was padded due to alignment specifier
#endif
struct A32JitState {
A32JitState() { ResetRSB(); }
std::array<u32, 16> Reg{}; // Current register file.
// TODO: Mode-specific register sets unimplemented.
u32 CPSR_ge = 0;
u32 CPSR_et = 0;
u32 CPSR_q = 0;
u32 CPSR_nzcv = 0;
u32 CPSR_jaifm = 0;
u32 Cpsr() const;
void SetCpsr(u32 cpsr);
alignas(u64) std::array<u32, 64> ExtReg{}; // Extension registers.
std::array<u64, SpillCount> Spill{}; // Spill.
// For internal use (See: BlockOfCode::RunCode)
u32 guest_MXCSR = 0x00001f80;
u32 save_host_MXCSR = 0;
s64 cycles_to_run = 0;
s64 cycles_remaining = 0;
bool halt_requested = false;
// Exclusive state
static constexpr u32 RESERVATION_GRANULE_MASK = 0xFFFFFFF8;
u32 exclusive_state = 0;
u32 exclusive_address = 0;
static constexpr size_t RSBSize = 8; // MUST be a power of 2.
static constexpr size_t RSBPtrMask = RSBSize - 1;
u32 rsb_ptr = 0;
std::array<u64, RSBSize> rsb_location_descriptors;
std::array<u64, RSBSize> rsb_codeptrs;
void ResetRSB();
u32 FPSCR_IDC = 0;
u32 FPSCR_UFC = 0;
u32 FPSCR_mode = 0;
u32 FPSCR_nzcv = 0;
u32 old_FPSCR = 0;
u32 Fpscr() const;
void SetFpscr(u32 FPSCR);
u64 GetUniqueHash() const;
};
#ifdef _MSC_VER
#pragma warning(pop)
#endif
using CodePtr = const void*;
} // namespace BackendX64
} // namespace Dynarmic