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decouple JIT from Config. bahahahahah

This commit is contained in:
Arisotura 2021-11-17 18:15:50 +01:00
parent 53dfcfb18a
commit c1dcd585be
13 changed files with 104 additions and 72 deletions
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3
src/ARM.cpp
View File

@ -22,7 +22,6 @@
#include "DSi.h"
#include "ARM.h"
#include "ARMInterpreter.h"
#include "Config.h"
#include "AREngine.h"
#include "ARMJIT.h"
#include "Config.h"
@ -215,7 +214,7 @@ void ARM::DoSavestate(Savestate* file)
file->VarArray(R_UND, 3*sizeof(u32));
file->Var32(&CurInstr);
#ifdef JIT_ENABLED
if (!file->Saving && Config::JIT_Enable)
if (!file->Saving && NDS::EnableJIT)
{
// hack, the JIT doesn't really pipeline
// but we still want JIT save states to be

48
src/ARMJIT.cpp
View File

@ -25,7 +25,7 @@
#define XXH_STATIC_LINKING_ONLY
#include "xxhash/xxhash.h"
#include "Config.h"
#include "Platform.h"
#include "ARMJIT_Internal.h"
#include "ARMJIT_Memory.h"
@ -57,6 +57,11 @@ namespace ARMJIT
Compiler* JITCompiler;
int MaxBlockSize;
bool LiteralOptimizations;
bool BranchOptimizations;
bool FastMemory;
std::unordered_map<u32, JitBlock*> JitBlocks9;
std::unordered_map<u32, JitBlock*> JitBlocks7;
@ -326,6 +331,16 @@ void DeInit()
void Reset()
{
MaxBlockSize = Platform::GetConfigInt(Platform::JIT_MaxBlockSize);
LiteralOptimizations = Platform::GetConfigBool(Platform::JIT_LiteralOptimizations);
BranchOptimizations = Platform::GetConfigBool(Platform::JIT_BranchOptimizations);
FastMemory = Platform::GetConfigBool(Platform::JIT_FastMemory);
if (MaxBlockSize < 1)
MaxBlockSize = 1;
if (MaxBlockSize > 32)
MaxBlockSize = 32;
JitEnableWrite();
ResetBlockCache();
@ -574,11 +589,6 @@ void CompileBlock(ARM* cpu)
{
bool thumb = cpu->CPSR & 0x20;
if (Config::JIT_MaxBlockSize < 1)
Config::JIT_MaxBlockSize = 1;
if (Config::JIT_MaxBlockSize > 32)
Config::JIT_MaxBlockSize = 32;
u32 blockAddr = cpu->R[15] - (thumb ? 2 : 4);
u32 localAddr = LocaliseCodeAddress(cpu->Num, blockAddr);
@ -611,24 +621,24 @@ void CompileBlock(ARM* cpu)
map.erase(existingBlockIt);
}
FetchedInstr instrs[Config::JIT_MaxBlockSize];
FetchedInstr instrs[MaxBlockSize];
int i = 0;
u32 r15 = cpu->R[15];
u32 addressRanges[Config::JIT_MaxBlockSize];
u32 addressMasks[Config::JIT_MaxBlockSize];
memset(addressMasks, 0, Config::JIT_MaxBlockSize * sizeof(u32));
u32 addressRanges[MaxBlockSize];
u32 addressMasks[MaxBlockSize];
memset(addressMasks, 0, MaxBlockSize * sizeof(u32));
u32 numAddressRanges = 0;
u32 numLiterals = 0;
u32 literalLoadAddrs[Config::JIT_MaxBlockSize];
u32 literalLoadAddrs[MaxBlockSize];
// they are going to be hashed
u32 literalValues[Config::JIT_MaxBlockSize];
u32 instrValues[Config::JIT_MaxBlockSize];
u32 literalValues[MaxBlockSize];
u32 instrValues[MaxBlockSize];
// due to instruction merging i might not reflect the amount of actual instructions
u32 numInstrs = 0;
u32 writeAddrs[Config::JIT_MaxBlockSize];
u32 writeAddrs[MaxBlockSize];
u32 numWriteAddrs = 0, writeAddrsTranslated = 0;
cpu->FillPipeline();
@ -747,7 +757,7 @@ void CompileBlock(ARM* cpu)
instrs[i].DataRegion = cpu->DataRegion;
u32 literalAddr;
if (Config::JIT_LiteralOptimisations
if (LiteralOptimizations
&& instrs[i].Info.SpecialKind == ARMInstrInfo::special_LoadLiteral
&& DecodeLiteral(thumb, instrs[i], literalAddr))
{
@ -786,7 +796,7 @@ void CompileBlock(ARM* cpu)
JIT_DEBUGPRINT("merged BL\n");
}
if (instrs[i].Info.Branches() && Config::JIT_BranchOptimisations
if (instrs[i].Info.Branches() && BranchOptimizations
&& instrs[i].Info.Kind != (thumb ? ARMInstrInfo::tk_SVC : ARMInstrInfo::ak_SVC))
{
bool hasBranched = cpu->R[15] != r15;
@ -823,7 +833,7 @@ void CompileBlock(ARM* cpu)
JIT_DEBUGPRINT("found %s idle loop %d in block %08x\n", thumb ? "thumb" : "arm", cpu->Num, blockAddr);
}
}
else if (hasBranched && !isBackJump && i + 1 < Config::JIT_MaxBlockSize)
else if (hasBranched && !isBackJump && i + 1 < MaxBlockSize)
{
if (link)
{
@ -851,7 +861,7 @@ void CompileBlock(ARM* cpu)
}
}
if (!hasBranched && cond < 0xE && i + 1 < Config::JIT_MaxBlockSize)
if (!hasBranched && cond < 0xE && i + 1 < MaxBlockSize)
{
JIT_DEBUGPRINT("block lengthened by untaken branch\n");
instrs[i].Info.EndBlock = false;
@ -865,7 +875,7 @@ void CompileBlock(ARM* cpu)
bool secondaryFlagReadCond = !canCompile || (instrs[i - 1].BranchFlags & (branch_FollowCondTaken | branch_FollowCondNotTaken));
if (instrs[i - 1].Info.ReadFlags != 0 || secondaryFlagReadCond)
FloodFillSetFlags(instrs, i - 2, !secondaryFlagReadCond ? instrs[i - 1].Info.ReadFlags : 0xF);
} while(!instrs[i - 1].Info.EndBlock && i < Config::JIT_MaxBlockSize && !cpu->Halted && (!cpu->IRQ || (cpu->CPSR & 0x80)));
} while(!instrs[i - 1].Info.EndBlock && i < MaxBlockSize && !cpu->Halted && (!cpu->IRQ || (cpu->CPSR & 0x80)));
if (numLiterals)
{

5
src/ARMJIT.h
View File

@ -33,6 +33,11 @@ namespace ARMJIT
typedef void (*JitBlockEntry)();
extern int MaxBlockSize;
extern bool LiteralOptimizations;
extern bool BranchOptimizations;
extern bool FastMemory;
void Init();
void DeInit();

10
src/ARMJIT_x64/ARMJIT_LoadStore.cpp
View File

@ -119,7 +119,7 @@ void Compiler::Comp_MemAccess(int rd, int rn, const Op2& op2, int size, int flag
if (size == 16)
addressMask = ~1;
if (Config::JIT_LiteralOptimisations && rn == 15 && rd != 15 && op2.IsImm && !(flags & (memop_Post|memop_Store|memop_Writeback)))
if (LiteralOptimizations && rn == 15 && rd != 15 && op2.IsImm && !(flags & (memop_Post|memop_Store|memop_Writeback)))
{
u32 addr = R15 + op2.Imm * ((flags & memop_SubtractOffset) ? -1 : 1);
@ -136,7 +136,7 @@ void Compiler::Comp_MemAccess(int rd, int rn, const Op2& op2, int size, int flag
Comp_AddCycles_CDI();
}
bool addrIsStatic = Config::JIT_LiteralOptimisations
bool addrIsStatic = LiteralOptimizations
&& RegCache.IsLiteral(rn) && op2.IsImm && !(flags & (memop_Writeback|memop_Post));
u32 staticAddress;
if (addrIsStatic)
@ -200,7 +200,7 @@ void Compiler::Comp_MemAccess(int rd, int rn, const Op2& op2, int size, int flag
? ARMJIT_Memory::ClassifyAddress9(CurInstr.DataRegion)
: ARMJIT_Memory::ClassifyAddress7(CurInstr.DataRegion);
if (Config::JIT_FastMemory && ((!Thumb && CurInstr.Cond() != 0xE) || ARMJIT_Memory::IsFastmemCompatible(expectedTarget)))
if (ARMJIT::FastMemory && ((!Thumb && CurInstr.Cond() != 0xE) || ARMJIT_Memory::IsFastmemCompatible(expectedTarget)))
{
if (rdMapped.IsImm())
{
@ -431,7 +431,7 @@ s32 Compiler::Comp_MemAccessBlock(int rn, BitSet16 regs, bool store, bool preinc
else
Comp_AddCycles_CD();
bool compileFastPath = Config::JIT_FastMemory
bool compileFastPath = FastMemory
&& !usermode && (CurInstr.Cond() < 0xE || ARMJIT_Memory::IsFastmemCompatible(expectedTarget));
// we need to make sure that the stack stays aligned to 16 bytes
@ -809,7 +809,7 @@ void Compiler::T_Comp_LoadPCRel()
{
u32 offset = (CurInstr.Instr & 0xFF) << 2;
u32 addr = (R15 & ~0x2) + offset;
if (!Config::JIT_LiteralOptimisations || !Comp_MemLoadLiteral(32, false, CurInstr.T_Reg(8), addr))
if (!LiteralOptimizations || !Comp_MemLoadLiteral(32, false, CurInstr.T_Reg(8), addr))
Comp_MemAccess(CurInstr.T_Reg(8), 15, Op2(offset), 32, 0);
}

4
src/ARM_InstrInfo.cpp
View File

@ -20,7 +20,7 @@
#include <stdio.h>
#include "Config.h"
#include "ARMJIT.h"
namespace ARMInstrInfo
{
@ -386,7 +386,7 @@ Info Decode(bool thumb, u32 num, u32 instr)
{
if (res.Kind == tk_LDR_PCREL)
{
if (!Config::JIT_LiteralOptimisations)
if (!ARMJIT::LiteralOptimizations)
res.SrcRegs |= 1 << 15;
res.SpecialKind = special_LoadLiteral;
}

20
src/Config.cpp
View File

@ -49,14 +49,6 @@ char DSiNANDPath[1024];
int RandomizeMAC;
int AudioBitrate;
#ifdef JIT_ENABLED
int JIT_Enable = false;
int JIT_MaxBlockSize = 32;
int JIT_BranchOptimisations = true;
int JIT_LiteralOptimisations = true;
int JIT_FastMemory = true;
#endif
ConfigEntry ConfigFile[] =
{
{"ExternalBIOSEnable", 0, &ExternalBIOSEnable, 0, NULL, 0},
@ -80,18 +72,6 @@ ConfigEntry ConfigFile[] =
{"RandomizeMAC", 0, &RandomizeMAC, 0, NULL, 0},
{"AudioBitrate", 0, &AudioBitrate, 0, NULL, 0},
#ifdef JIT_ENABLED
{"JIT_Enable", 0, &JIT_Enable, 0, NULL, 0},
{"JIT_MaxBlockSize", 0, &JIT_MaxBlockSize, 32, NULL, 0},
{"JIT_BranchOptimisations", 0, &JIT_BranchOptimisations, 1, NULL, 0},
{"JIT_LiteralOptimisations", 0, &JIT_LiteralOptimisations, 1, NULL, 0},
#ifdef __APPLE__
{"JIT_FastMemory", 0, &JIT_FastMemory, 0, NULL, 0},
#else
{"JIT_FastMemory", 0, &JIT_FastMemory, 1, NULL, 0},
#endif
#endif
{"", -1, NULL, 0, NULL, 0}
};

8
src/Config.h
View File

@ -62,14 +62,6 @@ extern char DSiNANDPath[1024];
extern int RandomizeMAC;
extern int AudioBitrate;
#ifdef JIT_ENABLED
extern int JIT_Enable;
extern int JIT_MaxBlockSize;
extern int JIT_BranchOptimisations;
extern int JIT_LiteralOptimisations;
extern int JIT_FastMemory;
#endif
}
#endif // CONFIG_H

6
src/NDS.cpp
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@ -80,6 +80,8 @@ u32 ARM7Regions[0x20000];
ARMv5* ARM9;
ARMv4* ARM7;
bool EnableJIT;
u32 NumFrames;
u32 NumLagFrames;
bool LagFrameFlag;
@ -477,6 +479,8 @@ void Reset()
FILE* f;
u32 i;
EnableJIT = Platform::GetConfigBool(Platform::JIT_Enable);
RunningGame = false;
LastSysClockCycles = 0;
@ -1103,7 +1107,7 @@ u32 RunFrame()
u32 RunFrame()
{
#ifdef JIT_ENABLED
if (Config::JIT_Enable)
if (EnableJIT)
return NDS::ConsoleType == 1
? RunFrame<true, 1>()
: RunFrame<true, 0>();

1
src/NDS.h
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@ -162,6 +162,7 @@ struct MemRegion
u32 Mask;
};
extern bool EnableJIT;
extern int ConsoleType;
extern int CurCPU;

6
src/Platform.h
View File

@ -36,6 +36,12 @@ void StopEmu();
enum ConfigEntry
{
JIT_Enable,
JIT_MaxBlockSize,
JIT_LiteralOptimizations,
JIT_BranchOptimizations,
JIT_FastMemory,
DLDI_Enable,
DLDI_ImagePath,
DLDI_ImageSize,

7
src/frontend/qt_sdl/Platform.cpp
View File

@ -133,6 +133,8 @@ int GetConfigInt(ConfigEntry entry)
switch (entry)
{
case JIT_MaxBlockSize: return Config::JIT_MaxBlockSize;
case DLDI_ImageSize: return imgsizes[Config::DLDISize];
case DSiSD_ImageSize: return imgsizes[Config::DSiSDSize];
@ -145,6 +147,11 @@ bool GetConfigBool(ConfigEntry entry)
{
switch (entry)
{
case JIT_Enable: return Config::JIT_Enable != 0;
case JIT_LiteralOptimizations: return Config::JIT_LiteralOptimisations != 0;
case JIT_BranchOptimizations: return Config::JIT_BranchOptimisations != 0;
case JIT_FastMemory: return Config::JIT_FastMemory != 0;
case DLDI_Enable: return Config::DLDIEnable != 0;
case DLDI_ReadOnly: return Config::DLDIReadOnly != 0;
case DLDI_FolderSync: return Config::DLDIFolderSync != 0;

20
src/frontend/qt_sdl/PlatformConfig.cpp
View File

@ -63,6 +63,14 @@ int ShowOSD;
int ConsoleType;
int DirectBoot;
#ifdef JIT_ENABLED
int JIT_Enable = false;
int JIT_MaxBlockSize = 32;
int JIT_BranchOptimisations = true;
int JIT_LiteralOptimisations = true;
int JIT_FastMemory = true;
#endif
int DLDIEnable;
char DLDISDPath[1024];
int DLDISize;
@ -186,6 +194,18 @@ ConfigEntry PlatformConfigFile[] =
{"ConsoleType", 0, &ConsoleType, 0, NULL, 0},
{"DirectBoot", 0, &DirectBoot, 1, NULL, 0},
#ifdef JIT_ENABLED
{"JIT_Enable", 0, &JIT_Enable, 0, NULL, 0},
{"JIT_MaxBlockSize", 0, &JIT_MaxBlockSize, 32, NULL, 0},
{"JIT_BranchOptimisations", 0, &JIT_BranchOptimisations, 1, NULL, 0},
{"JIT_LiteralOptimisations", 0, &JIT_LiteralOptimisations, 1, NULL, 0},
#ifdef __APPLE__
{"JIT_FastMemory", 0, &JIT_FastMemory, 0, NULL, 0},
#else
{"JIT_FastMemory", 0, &JIT_FastMemory, 1, NULL, 0},
#endif
#endif
{"DLDIEnable", 0, &DLDIEnable, 0, NULL, 0},
{"DLDISDPath", 1, DLDISDPath, 0, "dldi.bin", 1023},
{"DLDISize", 0, &DLDISize, 0, NULL, 0},

8
src/frontend/qt_sdl/PlatformConfig.h
View File

@ -79,6 +79,14 @@ extern int ShowOSD;
extern int ConsoleType;
extern int DirectBoot;
#ifdef JIT_ENABLED
extern int JIT_Enable;
extern int JIT_MaxBlockSize;
extern int JIT_BranchOptimisations;
extern int JIT_LiteralOptimisations;
extern int JIT_FastMemory;
#endif
extern int DLDIEnable;
extern char DLDISDPath[1024];
extern int DLDISize;