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jit: add compile option

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This commit is contained in:
RSDuck
2019-07-14 19:24:00 +02:00
parent 360317be8c
commit 411fb57c07
13 changed files with 149 additions and 53 deletions
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55
src/ARMJIT_x64/ARMJIT_Compiler.cpp
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@ -4,7 +4,10 @@
#include <assert.h>
#include "../dolphin/CommonFuncs.h"
#ifdef _WIN32
#include <windows.h>
#else
#include <sys/mman.h>
#include <unistd.h>
@ -32,8 +35,6 @@ const int RegisterCache<Compiler, X64Reg>::NativeRegsAvailable =
#endif
;
int instructionPopularityARM[ARMInstrInfo::ak_Count];
/*
We'll repurpose this .bss memory
@ -42,29 +43,33 @@ u8 CodeMemory[1024 * 1024 * 32];
Compiler::Compiler()
{
#ifdef _WIN32
#else
u64 pagesize = sysconf(_SC_PAGE_SIZE);
#endif
{
#ifdef _WIN32
SYSTEM_INFO sysInfo;
GetSystemInfo(&sysInfo);
u8* pageAligned = (u8*)(((u64)CodeMemory & ~(pagesize - 1)) + pagesize);
u64 alignedSize = (((u64)CodeMemory + sizeof(CodeMemory)) & ~(pagesize - 1)) - (u64)pageAligned;
u64 pageSize = (u64)sysInfo.dwPageSize;
#else
u64 pageSize = sysconf(_SC_PAGE_SIZE);
#endif
#ifdef _WIN32
#else
mprotect(pageAligned, alignedSize, PROT_EXEC | PROT_READ | PROT_WRITE);
#endif
u8* pageAligned = (u8*)(((u64)CodeMemory & ~(pageSize - 1)) + pageSize);
u64 alignedSize = (((u64)CodeMemory + sizeof(CodeMemory)) & ~(pageSize - 1)) - (u64)pageAligned;
region = pageAligned;
region_size = alignedSize;
total_region_size = region_size;
#ifdef _WIN32
DWORD dummy;
VirtualProtect(pageAligned, alignedSize, PAGE_EXECUTE_READWRITE, &dummy);
#else
mprotect(pageAligned, alignedSize, PROT_EXEC | PROT_READ | PROT_WRITE);
#endif
region = pageAligned;
region_size = alignedSize;
total_region_size = region_size;
}
ClearCodeSpace();
SetCodePtr(pageAligned);
memset(instructionPopularityARM, 0, sizeof(instructionPopularityARM));
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 2; j++)
@ -118,7 +123,7 @@ Compiler::Compiler()
SetJumpTarget(und);
MOV(32, R(ABI_PARAM3), MComplex(RCPU, ABI_PARAM2, SCALE_4, offsetof(ARM, R_UND)));
RET();
}
}
{
// RSCRATCH mode
// ABI_PARAM2 reg n
@ -163,7 +168,10 @@ Compiler::Compiler()
RET();
}
ResetStart = (void*)GetWritableCodePtr();
// move the region forward to prevent overwriting the generated functions
region_size -= GetWritableCodePtr() - region;
total_region_size = region_size;
region = GetWritableCodePtr();
}
void Compiler::LoadCPSR()
@ -338,7 +346,7 @@ const Compiler::CompileFunc T_Comp[ARMInstrInfo::tk_Count] = {
void Compiler::Reset()
{
SetCodePtr((u8*)ResetStart);
ClearCodeSpace();
}
CompiledBlock Compiler::CompileBlock(ARM* cpu, FetchedInstr instrs[], int instrsCount)
@ -375,9 +383,6 @@ CompiledBlock Compiler::CompileBlock(ARM* cpu, FetchedInstr instrs[], int instrs
? T_Comp[CurInstr.Info.Kind]
: A_Comp[CurInstr.Info.Kind];
if (!Thumb)
instructionPopularityARM[CurInstr.Info.Kind] += comp == NULL;
if (comp == NULL || i == instrsCount - 1)
{
MOV(32, MDisp(RCPU, offsetof(ARM, R[15])), Imm32(R15));