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IOP JIT: Switch LUT to DynamicHeapArray

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This commit is contained in:
Ziemas
2026-03-08 14:46:09 -04:00
committed by Ty
parent c1d46b1866
commit 50605bd0e9
1 changed files with 21 additions and 26 deletions
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pcsx2/x86/iR3000A.cpp
+21 -26
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@@ -8,6 +8,7 @@
#include "IopBios.h"
#include "IopHw.h"
#include "Common.h"
#include "common/HeapArray.h"
#include "VMManager.h"
#include <time.h>
@@ -840,37 +841,31 @@ void psxRecompileCodeConst3(R3000AFNPTR constcode, R3000AFNPTR_INFO constscode,
noconstcode(info);
}
static u8* m_recBlockAlloc = NULL;
static DynamicHeapArray<BASEBLOCK, 4096> recLutReserve;
static size_t recLutEntries;
static bool extraRam = false;
static void recReserveRAM()
{
uint m_recBlockAllocSize =
(((Ps2MemSize::ExposedIopRam + Ps2MemSize::Rom + Ps2MemSize::Rom1 + Ps2MemSize::Rom2) / 4) * sizeof(BASEBLOCK));
// Goal: Allocate BASEBLOCKs for every possible branch target in IOP memory.
// Any 4-byte aligned address makes a valid branch target as per MIPS design (all instructions are
// always 4 bytes long).
if (m_recBlockAlloc)
{
_aligned_free(m_recBlockAlloc);
}
recLutEntries =
((Ps2MemSize::ExposedIopRam + Ps2MemSize::Rom + Ps2MemSize::Rom1 + Ps2MemSize::Rom2) / 4);
// We're on 64-bit, if these memory allocations fail, we're in real trouble.
m_recBlockAlloc = (u8*)_aligned_malloc(m_recBlockAllocSize, 4096);
if (!m_recBlockAlloc)
pxFailRel("Failed to allocate R3000A BASEBLOCK lookup tables");
if (recLutReserve.size() != recLutEntries)
recLutReserve.resize(recLutEntries);
u8* curpos = m_recBlockAlloc;
recRAM = (BASEBLOCK*)curpos;
curpos += (Ps2MemSize::ExposedIopRam / 4) * sizeof(BASEBLOCK);
recROM = (BASEBLOCK*)curpos;
curpos += (Ps2MemSize::Rom / 4) * sizeof(BASEBLOCK);
recROM1 = (BASEBLOCK*)curpos;
curpos += (Ps2MemSize::Rom1 / 4) * sizeof(BASEBLOCK);
recROM2 = (BASEBLOCK*)curpos;
curpos += (Ps2MemSize::Rom2 / 4) * sizeof(BASEBLOCK);
BASEBLOCK* curpos = recLutReserve.data();
recRAM = curpos;
curpos += (Ps2MemSize::ExposedIopRam / 4);
recROM = curpos;
curpos += (Ps2MemSize::Rom / 4);
recROM1 = curpos;
curpos += (Ps2MemSize::Rom1 / 4);
recROM2 = curpos;
curpos += (Ps2MemSize::Rom2 / 4);
}
static void recReserve()
@@ -901,8 +896,8 @@ void recResetIOP()
_DynGen_Dispatchers();
recPtr = xGetPtr();
iopClearRecLUT((BASEBLOCK*)m_recBlockAlloc,
(((Ps2MemSize::ExposedIopRam + Ps2MemSize::Rom + Ps2MemSize::Rom1 + Ps2MemSize::Rom2) / 4)));
iopClearRecLUT(reinterpret_cast<BASEBLOCK*>(recLutReserve.data()),
Ps2MemSize::ExposedIopRam + Ps2MemSize::Rom + Ps2MemSize::Rom1 + Ps2MemSize::Rom2);
for (int i = 0; i < 0x10000; i++)
recLUT_SetPage(psxRecLUT, 0, 0, 0, i, 0);
@@ -956,7 +951,7 @@ void recResetIOP()
static void recShutdown()
{
safe_aligned_free(m_recBlockAlloc);
recLutReserve.deallocate();
safe_free(s_pInstCache);
s_nInstCacheSize = 0;
@@ -967,7 +962,7 @@ static void recShutdown()
static void iopClearRecLUT(BASEBLOCK* base, int count)
{
for (int i = 0; i < count; i++)
for (int i = 0; i < count / 4; i++)
base[i].SetFnptr((uptr)iopJITCompile);
}
@@ -1055,7 +1050,7 @@ static __fi u32 psxRecClearMem(u32 pc)
}
}
iopClearRecLUT(PSX_GETBLOCK(lowerextent), (upperextent - lowerextent) / 4);
iopClearRecLUT(PSX_GETBLOCK(lowerextent), upperextent - lowerextent);
return upperextent - pc;
}