X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fpsxmem.c;h=fb48f77bf28be897895fd24b4798e23b5be0ab1a;hb=4d74a45a59e004497a65359666ac47867093143f;hp=1f7aa8cda92c56f8a988e3bab5972fea3f4ed6f3;hpb=aa314e8ebc2281c4b2d3db3378f143de5d68f335;p=pcsx_rearmed.git diff --git a/libpcsxcore/psxmem.c b/libpcsxcore/psxmem.c index 1f7aa8cd..fb48f77b 100644 --- a/libpcsxcore/psxmem.c +++ b/libpcsxcore/psxmem.c @@ -27,7 +27,8 @@ #include "psxmem_map.h" #include "r3000a.h" #include "psxhw.h" -#include "debug.h" +//#include "debug.h" +#define DebugCheckBP(...) #include "lightrec/mem.h" #include "memmap.h" @@ -40,14 +41,6 @@ #define MAP_ANONYMOUS MAP_ANON #endif -boolean writeok = TRUE; - -#ifndef NDEBUG -#include "debug.h" -#else -void DebugCheckBP(u32 address, enum breakpoint_types type) {} -#endif - void *(*psxMapHook)(unsigned long addr, size_t size, int is_fixed, enum psxMapTag tag); void (*psxUnmapHook)(void *ptr, size_t size, enum psxMapTag tag); @@ -71,13 +64,13 @@ retry: /* if (is_fixed) flags |= MAP_FIXED; */ - req = (void *)addr; + req = (void *)(uintptr_t)addr; ret = mmap(req, size, PROT_READ | PROT_WRITE, flags, -1, 0); if (ret == MAP_FAILED) return ret; } - if (addr != 0 && ret != (void *)addr) { + if (addr != 0 && ret != (void *)(uintptr_t)addr) { SysMessage("psxMap: warning: wanted to map @%08x, got %p\n", addr, ret); @@ -86,14 +79,14 @@ retry: return MAP_FAILED; } - if (((addr ^ (unsigned long)ret) & ~0xff000000l) && try_ < 2) + if (((addr ^ (unsigned long)(uintptr_t)ret) & ~0xff000000l) && try_ < 2) { psxUnmap(ret, size, tag); // try to use similarly aligned memory instead // (recompiler needs this) mask = try_ ? 0xffff : 0xffffff; - addr = ((unsigned long)ret + mask) & ~mask; + addr = ((uintptr_t)ret + mask) & ~mask; try_++; goto retry; } @@ -147,14 +140,20 @@ static int psxMemInitMap(void) psxM = psxMap(0x77000000, 0x00210000, 0, MAP_TAG_RAM); if (psxM == MAP_FAILED) { SysMessage(_("mapping main RAM failed")); + psxM = NULL; return -1; } - psxP = &psxM[0x200000]; + psxH = psxMap(0x1f800000, 0x10000, 0, MAP_TAG_OTHER); - psxR = psxMap(0x1fc00000, 0x80000, 0, MAP_TAG_OTHER); + if (psxH == MAP_FAILED) { + SysMessage(_("Error allocating memory!")); + psxMemShutdown(); + return -1; + } - if (psxR == MAP_FAILED || psxH == MAP_FAILED) { + psxR = psxMap(0x1fc00000, 0x80000, 0, MAP_TAG_OTHER); + if (psxR == MAP_FAILED) { SysMessage(_("Error allocating memory!")); psxMemShutdown(); return -1; @@ -165,9 +164,11 @@ static int psxMemInitMap(void) static void psxMemFreeMap(void) { - psxUnmap(psxM, 0x00210000, MAP_TAG_RAM); psxM = NULL; - psxUnmap(psxH, 0x10000, MAP_TAG_OTHER); psxH = NULL; - psxUnmap(psxR, 0x80000, MAP_TAG_OTHER); psxR = NULL; + if (psxM) psxUnmap(psxM, 0x00210000, MAP_TAG_RAM); + if (psxH) psxUnmap(psxH, 0x10000, MAP_TAG_OTHER); + if (psxR) psxUnmap(psxR, 0x80000, MAP_TAG_OTHER); + psxM = psxH = psxR = NULL; + psxP = NULL; } int psxMemInit(void) @@ -175,7 +176,7 @@ int psxMemInit(void) unsigned int i; int ret; - if (LIGHTREC_CUSTOM_MAP && Config.Cpu == CPU_DYNAREC) + if (LIGHTREC_CUSTOM_MAP) ret = lightrec_init_mmap(); else ret = psxMemInitMap(); @@ -194,8 +195,8 @@ int psxMemInit(void) return -1; } - memset(psxMemRLUT, 0xff, 0x10000 * sizeof(void *)); - memset(psxMemWLUT, 0xff, 0x10000 * sizeof(void *)); + memset(psxMemRLUT, (int)(uintptr_t)INVALID_PTR, 0x10000 * sizeof(void *)); + memset(psxMemWLUT, (int)(uintptr_t)INVALID_PTR, 0x10000 * sizeof(void *)); // MemR for (i = 0; i < 0x80; i++) psxMemRLUT[i + 0x0000] = (u8 *)&psxM[(i & 0x1f) << 16]; @@ -255,7 +256,7 @@ void psxMemReset() { } void psxMemShutdown() { - if (LIGHTREC_CUSTOM_MAP && Config.Cpu == CPU_DYNAREC) + if (LIGHTREC_CUSTOM_MAP) lightrec_free_mmap(); else psxMemFreeMap(); @@ -264,6 +265,23 @@ void psxMemShutdown() { free(psxMemWLUT); psxMemWLUT = NULL; } +void psxMemOnIsolate(int enable) +{ + if (enable) { + memset(psxMemWLUT + 0x0000, (int)(uintptr_t)INVALID_PTR, 0x80 * sizeof(void *)); + memset(psxMemWLUT + 0x8000, (int)(uintptr_t)INVALID_PTR, 0x80 * sizeof(void *)); + //memset(psxMemWLUT + 0xa000, (int)(uintptr_t)INVALID_PTR, 0x80 * sizeof(void *)); + } else { + int i; + for (i = 0; i < 0x80; i++) + psxMemWLUT[i + 0x0000] = (void *)&psxM[(i & 0x1f) << 16]; + memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *)); + memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *)); + } + psxCpu->Notify(enable ? R3000ACPU_NOTIFY_CACHE_ISOLATED + : R3000ACPU_NOTIFY_CACHE_UNISOLATED, NULL); +} + u8 psxMemRead8(u32 mem) { char *p; u32 t; @@ -331,8 +349,10 @@ u32 psxMemRead32(u32 mem) { DebugCheckBP((mem & 0xffffff) | 0x80000000, R4); return SWAPu32(*(u32 *)(p + (mem & 0xffff))); } else { + if (mem == 0xfffe0130) + return psxRegs.biuReg; #ifdef PSXMEM_LOG - if (writeok) { PSXMEM_LOG("err lw %8.8lx\n", mem); } + PSXMEM_LOG("err lw %8.8lx\n", mem); #endif return 0xFFFFFFFF; } @@ -414,44 +434,13 @@ void psxMemWrite32(u32 mem, u32 value) { psxCpu->Clear(mem, 1); #endif } else { - if (mem != 0xfffe0130) { -#ifndef DRC_DISABLE - if (!writeok) - psxCpu->Clear(mem, 1); -#endif - -#ifdef PSXMEM_LOG - if (writeok) { PSXMEM_LOG("err sw %8.8lx\n", mem); } -#endif - } else { - int i; - - switch (value) { - case 0x800: case 0x804: - if (writeok == 0) break; - writeok = 0; - memset(psxMemWLUT + 0x0000, 0xff, 0x80 * sizeof(void *)); - memset(psxMemWLUT + 0x8000, 0xff, 0x80 * sizeof(void *)); - memset(psxMemWLUT + 0xa000, 0xff, 0x80 * sizeof(void *)); - /* Required for icache interpreter otherwise Armored Core won't boot on icache interpreter */ - psxCpu->Notify(R3000ACPU_NOTIFY_CACHE_ISOLATED, NULL); - break; - case 0x00: case 0x1e988: - if (writeok == 1) break; - writeok = 1; - for (i = 0; i < 0x80; i++) psxMemWLUT[i + 0x0000] = (void *)&psxM[(i & 0x1f) << 16]; - memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *)); - memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *)); - /* Dynarecs might take this opportunity to flush their code cache */ - psxCpu->Notify(R3000ACPU_NOTIFY_CACHE_UNISOLATED, NULL); - break; - default: + if (mem == 0xfffe0130) { + psxRegs.biuReg = value; + return; + } #ifdef PSXMEM_LOG - PSXMEM_LOG("unk %8.8lx = %x\n", mem, value); + PSXMEM_LOG("err sw %8.8lx\n", mem); #endif - break; - } - } } } }