piwalker/melonDS
1
0
Fork 0
mirror of https://github.com/melonDS-emu/melonDS.git synced 2025-07-23 14:19:55 -06:00
Code Issues Packages Projects Releases Wiki Activity

jit: make everything configurable

Browse Source
This commit is contained in:
RSDuck
2019-07-14 04:33:36 +02:00
committed by RSDuck
parent dcf6e1cad2
commit 9d76d63af5
12 changed files with 192 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
src/ARMJIT.cpp
View File

@ -2,6 +2,8 @@
#include <string.h>
#include "Config.h"
#include "ARMJIT_x64/ARMJIT_Compiler.h"
namespace ARMJIT
@ -125,18 +127,21 @@ CompiledBlock CompileBlock(ARM* cpu)
{
bool thumb = cpu->CPSR & 0x20;
FetchedInstr instrs[12];
if (Config::JIT_MaxBlockSize < 1)
Config::JIT_MaxBlockSize = 1;
if (Config::JIT_MaxBlockSize > 32)
Config::JIT_MaxBlockSize = 32;
FetchedInstr instrs[Config::JIT_MaxBlockSize];
int i = 0;
u32 r15Initial = cpu->R[15];
u32 blockAddr = cpu->R[15] - (thumb ? 2 : 4);
u32 r15 = cpu->R[15];
u32 nextInstr[2] = {cpu->NextInstr[0], cpu->NextInstr[1]};
//printf("block %x %d\n", r15, thumb);
do
{
r15 += thumb ? 2 : 4;
instrs[i].Instr = nextInstr[0];
//printf("%x %x\n", instrs[i].Instr, r15);
instrs[i].NextInstr[0] = nextInstr[0] = nextInstr[1];
if (cpu->Num == 0)
@ -166,16 +171,16 @@ CompiledBlock CompileBlock(ARM* cpu)
instrs[i].Info = ARMInstrInfo::Decode(thumb, cpu->Num, instrs[i].Instr);
i++;
} while(!instrs[i - 1].Info.Branches() && i < 10);
} while(!instrs[i - 1].Info.Branches() && i < Config::JIT_MaxBlockSize);
CompiledBlock block = compiler->CompileBlock(cpu, instrs, i);
InsertBlock(cpu->Num, r15Initial - (thumb ? 2 : 4), block);
InsertBlock(cpu->Num, blockAddr, block);
return block;
}
void ResetBlocks()
void InvalidateBlockCache()
{
memset(cache.MainRAM, 0, sizeof(cache.MainRAM));
memset(cache.SWRAM, 0, sizeof(cache.SWRAM));
@ -185,6 +190,8 @@ void ResetBlocks()
memset(cache.ARM7_BIOS, 0, sizeof(cache.ARM7_BIOS));
memset(cache.ARM7_WRAM, 0, sizeof(cache.ARM7_WRAM));
memset(cache.ARM7_WVRAM, 0, sizeof(cache.ARM7_WVRAM));
compiler->Reset();
}
}