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CPU/Recompiler: Reduced forced PC flushes

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This commit is contained in:
Connor McLaughlin
2019-12-28 14:04:15 +10:00
parent 620284f7d1
commit d118377c9e
7 changed files with 174 additions and 67 deletions
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47
src/core/cpu_recompiler_thunks.h
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@@ -1,27 +1,48 @@
#pragma once
#include "common/jit_code_buffer.h"
#include "cpu_core.h"
#include <array>
#include "cpu_types.h"
namespace CPU::Recompiler {
class JitCodeBuffer;
namespace CPU {
struct CodeBlockInstruction;
class Core;
namespace Recompiler {
class Thunks
{
public:
union RaiseExceptionInfo
{
u32 bits;
struct
{
u8 excode;
bool BD;
u8 CE;
u8 unused;
};
};
static u32 MakeRaiseExceptionInfo(Exception excode, const CodeBlockInstruction& cbi);
//////////////////////////////////////////////////////////////////////////
// Trampolines for calling back from the JIT
// Needed because we can't cast member functions to void*...
// TODO: Abuse carry flag or something else for exception
//////////////////////////////////////////////////////////////////////////
static u64 ReadMemoryByte(Core* cpu, u32 address);
static u64 ReadMemoryHalfWord(Core* cpu, u32 address);
static u64 ReadMemoryWord(Core* cpu, u32 address);
static bool WriteMemoryByte(Core* cpu, u32 address, u8 value);
static bool WriteMemoryHalfWord(Core* cpu, u32 address, u16 value);
static bool WriteMemoryWord(Core* cpu, u32 address, u32 value);
static u64 ReadMemoryByte(Core* cpu, u32 pc, u32 address);
static u64 ReadMemoryHalfWord(Core* cpu, u32 pc, u32 address);
static u64 ReadMemoryWord(Core* cpu, u32 pc, u32 address);
static bool WriteMemoryByte(Core* cpu, u32 pc, u32 address, u8 value);
static bool WriteMemoryHalfWord(Core* cpu, u32 pc, u32 address, u16 value);
static bool WriteMemoryWord(Core* cpu, u32 pc, u32 address, u32 value);
static bool InterpretInstruction(Core* cpu);
static void UpdateLoadDelay(Core* cpu);
static void RaiseException(Core* cpu, u8 excode);
static void RaiseException(Core* cpu, u32 epc, u32 ri_bits);
static void RaiseAddressException(Core* cpu, u32 address, bool store, bool branch);
static void ExecuteGTEInstruction(Core* cpu, u32 instruction_bits);
static u32 ReadGTERegister(Core* cpu, u32 reg);
@@ -41,4 +62,6 @@ public:
void Generate(JitCodeBuffer* code_buffer);
};
} // namespace CPU_X86::Recompiler
} // namespace Recompiler
} // namespace CPU