#include "psxmem_map.h"
#include "r3000a.h"
#include "psxhw.h"
-#include "debug.h"
-#include <sys/mman.h>
+//#include "debug.h"
+#define DebugCheckBP(...)
+
+#include "lightrec/mem.h"
+#include "memmap.h"
+
+#ifdef USE_LIBRETRO_VFS
+#include <streams/file_stream_transforms.h>
+#endif
#ifndef MAP_ANONYMOUS
#define MAP_ANONYMOUS MAP_ANON
#endif
+static void * psxMapDefault(unsigned long addr, size_t size,
+ int is_fixed, enum psxMapTag tag)
+{
+ void *ptr;
+#if !P_HAVE_MMAP
+ ptr = calloc(1, size);
+ return ptr ? ptr : MAP_FAILED;
+#else
+ int flags = MAP_PRIVATE | MAP_ANONYMOUS;
+
+ ptr = mmap((void *)(uintptr_t)addr, size,
+ PROT_READ | PROT_WRITE, flags, -1, 0);
+#ifdef MADV_HUGEPAGE
+ if (size >= 2*1024*1024) {
+ if (ptr != MAP_FAILED && ((uintptr_t)ptr & (2*1024*1024 - 1))) {
+ // try to manually realign assuming bottom-to-top alloc
+ munmap(ptr, size);
+ addr = (uintptr_t)ptr & ~(2*1024*1024 - 1);
+ ptr = mmap((void *)(uintptr_t)addr, size,
+ PROT_READ | PROT_WRITE, flags, -1, 0);
+ }
+ if (ptr != MAP_FAILED)
+ madvise(ptr, size, MADV_HUGEPAGE);
+ }
+#endif
+ return ptr;
+#endif
+}
+
+static void psxUnmapDefault(void *ptr, size_t size, enum psxMapTag tag)
+{
+#if !P_HAVE_MMAP
+ free(ptr);
+#else
+ munmap(ptr, size);
+#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);
+ enum psxMapTag tag) = psxMapDefault;
+void (*psxUnmapHook)(void *ptr, size_t size,
+ enum psxMapTag tag) = psxUnmapDefault;
void *psxMap(unsigned long addr, size_t size, int is_fixed,
enum psxMapTag tag)
{
- int flags = MAP_PRIVATE | MAP_ANONYMOUS;
- int tried_to_align = 0;
+ int try_ = 0;
unsigned long mask;
- void *req, *ret;
+ void *ret;
retry:
- if (psxMapHook != NULL) {
- ret = psxMapHook(addr, size, is_fixed, tag);
- goto out;
- }
+ ret = psxMapHook(addr, size, 0, tag);
+ if (ret == NULL)
+ return MAP_FAILED;
- if (is_fixed)
- flags |= MAP_FIXED;
-
- req = (void *)addr;
- ret = mmap(req, size, PROT_READ | PROT_WRITE, flags, -1, 0);
- if (ret == MAP_FAILED)
- return NULL;
-
-out:
- 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);
- if (ret != NULL && ((addr ^ (long)ret) & 0x00ffffff)
- && !tried_to_align)
+ if (is_fixed) {
+ psxUnmap(ret, size, tag);
+ return MAP_FAILED;
+ }
+
+ 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 = (addr - 1) & ~addr & 0x07ffffff;
- addr = (unsigned long)(ret + mask) & ~mask;
- tried_to_align = 1;
+ mask = try_ ? 0xffff : 0xffffff;
+ addr = ((uintptr_t)ret + mask) & ~mask;
+ try_++;
goto retry;
}
}
void psxUnmap(void *ptr, size_t size, enum psxMapTag tag)
{
- if (psxUnmapHook != NULL) {
- psxUnmapHook(ptr, size, tag);
- return;
- }
-
- munmap(ptr, size);
+ psxUnmapHook(ptr, size, tag);
}
s8 *psxM = NULL; // Kernel & User Memory (2 Meg)
0xbfc0_0000-0xbfc7_ffff BIOS Mirror (512K) Uncached
*/
-int psxMemInit() {
- int i;
-
- psxMemRLUT = (u8 **)malloc(0x10000 * sizeof(void *));
- psxMemWLUT = (u8 **)malloc(0x10000 * sizeof(void *));
- memset(psxMemRLUT, 0, 0x10000 * sizeof(void *));
- memset(psxMemWLUT, 0, 0x10000 * sizeof(void *));
-
+static int psxMemInitMap(void)
+{
psxM = psxMap(0x80000000, 0x00210000, 1, MAP_TAG_RAM);
-#ifndef RAM_FIXED
-#ifdef __BLACKBERRY_QNX__
- if (psxM == NULL)
- psxM = psxMap(0x70000000, 0x00210000, 0, MAP_TAG_RAM);
-#else
- if (psxM == NULL)
- psxM = psxMap(0x78000000, 0x00210000, 0, MAP_TAG_RAM);
-#endif
-#endif
- if (psxM == NULL) {
+ if (psxM == MAP_FAILED)
+ 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, 1, MAP_TAG_OTHER);
+
+ psxH = psxMap(0x1f800000, 0x10000, 0, MAP_TAG_OTHER);
+ if (psxH == MAP_FAILED) {
+ SysMessage(_("Error allocating memory!"));
+ psxMemShutdown();
+ return -1;
+ }
+
psxR = psxMap(0x1fc00000, 0x80000, 0, MAP_TAG_OTHER);
+ if (psxR == MAP_FAILED) {
+ SysMessage(_("Error allocating memory!"));
+ psxMemShutdown();
+ return -1;
+ }
+
+ return 0;
+}
+
+static void psxMemFreeMap(void)
+{
+ 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)
+{
+ unsigned int i;
+ int ret;
+
+ if (LIGHTREC_CUSTOM_MAP)
+ ret = lightrec_init_mmap();
+ else
+ ret = psxMemInitMap();
+ if (ret) {
+ SysMessage(_("Error allocating memory!"));
+ psxMemShutdown();
+ return -1;
+ }
+
+ if (DISABLE_MEM_LUTS)
+ return 0;
+
+ psxMemRLUT = (u8 **)malloc(0x10000 * sizeof(void *));
+ psxMemWLUT = (u8 **)malloc(0x10000 * sizeof(void *));
- if (psxMemRLUT == NULL || psxMemWLUT == NULL ||
- psxR == NULL || psxP == NULL || psxH != (void *)0x1f800000) {
+ if (psxMemRLUT == NULL || psxMemWLUT == NULL) {
SysMessage(_("Error allocating memory!"));
+ psxMemShutdown();
return -1;
}
+ 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];
memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *));
memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *));
- psxMemWLUT[0x1f00] = (u8 *)psxP;
+ // Don't allow writes to PIO Expansion region (psxP) to take effect.
+ // NOTE: Not sure if this is needed to fix any games but seems wise,
+ // seeing as some games do read from PIO as part of copy-protection
+ // check. (See fix in psxMemReset() regarding psxP region reads).
+ psxMemWLUT[0x1f00] = INVALID_PTR;
psxMemWLUT[0x1f80] = (u8 *)psxH;
return 0;
char bios[1024];
memset(psxM, 0, 0x00200000);
- memset(psxP, 0, 0x00010000);
+ memset(psxP, 0xff, 0x00010000);
+
+ Config.HLE = TRUE;
if (strcmp(Config.Bios, "HLE") != 0) {
sprintf(bios, "%s/%s", Config.BiosDir, Config.Bios);
if (f == NULL) {
SysMessage(_("Could not open BIOS:\"%s\". Enabling HLE Bios!\n"), bios);
memset(psxR, 0, 0x80000);
- Config.HLE = TRUE;
} else {
- fread(psxR, 1, 0x80000, f);
+ if (fread(psxR, 1, 0x80000, f) == 0x80000) {
+ Config.HLE = FALSE;
+ } else {
+ SysMessage(_("The selected BIOS:\"%s\" is of wrong size. Enabling HLE Bios!\n"), bios);
+ }
fclose(f);
- Config.HLE = FALSE;
}
- } else Config.HLE = TRUE;
+ }
}
void psxMemShutdown() {
- psxUnmap(psxM, 0x00210000, MAP_TAG_RAM);
- psxUnmap(psxH, 0x10000, MAP_TAG_OTHER);
- psxUnmap(psxR, 0x80000, MAP_TAG_OTHER);
+ if (LIGHTREC_CUSTOM_MAP)
+ lightrec_free_mmap();
+ else
+ psxMemFreeMap();
- free(psxMemRLUT);
- free(psxMemWLUT);
+ free(psxMemRLUT); psxMemRLUT = NULL;
+ free(psxMemWLUT); psxMemWLUT = NULL;
}
-static int writeok = 1;
+int cache_isolated;
+
+void psxMemOnIsolate(int enable)
+{
+ if (!DISABLE_MEM_LUTS) {
+ 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 *));
+ }
+ }
+
+ cache_isolated = enable;
+ psxCpu->Notify(enable ? R3000ACPU_NOTIFY_CACHE_ISOLATED
+ : R3000ACPU_NOTIFY_CACHE_UNISOLATED, NULL);
+}
u8 psxMemRead8(u32 mem) {
char *p;
else
return psxHwRead8(mem);
} else {
- p = (char *)(psxMemRLUT[t]);
- if (p != NULL) {
+ p = psxm(mem, 0);
+ if (p != INVALID_PTR) {
if (Config.Debug)
DebugCheckBP((mem & 0xffffff) | 0x80000000, R1);
- return *(u8 *)(p + (mem & 0xffff));
+ return *(u8 *)p;
} else {
#ifdef PSXMEM_LOG
PSXMEM_LOG("err lb %8.8lx\n", mem);
#endif
- return 0;
+ return 0xFF;
}
}
}
else
return psxHwRead16(mem);
} else {
- p = (char *)(psxMemRLUT[t]);
- if (p != NULL) {
+ p = psxm(mem, 0);
+ if (p != INVALID_PTR) {
if (Config.Debug)
DebugCheckBP((mem & 0xffffff) | 0x80000000, R2);
- return SWAPu16(*(u16 *)(p + (mem & 0xffff)));
+ return SWAPu16(*(u16 *)p);
} else {
#ifdef PSXMEM_LOG
PSXMEM_LOG("err lh %8.8lx\n", mem);
#endif
- return 0;
+ return 0xFFFF;
}
}
}
else
return psxHwRead32(mem);
} else {
- p = (char *)(psxMemRLUT[t]);
- if (p != NULL) {
+ p = psxm(mem, 0);
+ if (p != INVALID_PTR) {
if (Config.Debug)
DebugCheckBP((mem & 0xffffff) | 0x80000000, R4);
- return SWAPu32(*(u32 *)(p + (mem & 0xffff)));
+ return SWAPu32(*(u32 *)p);
} 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 0;
+ return 0xFFFFFFFF;
}
}
}
-void psxMemWrite8(u32 mem, u8 value) {
+void psxMemWrite8(u32 mem, u32 value) {
char *p;
u32 t;
else
psxHwWrite8(mem, value);
} else {
- p = (char *)(psxMemWLUT[t]);
- if (p != NULL) {
+ p = psxm(mem, 1);
+ if (p != INVALID_PTR) {
if (Config.Debug)
DebugCheckBP((mem & 0xffffff) | 0x80000000, W1);
- *(u8 *)(p + (mem & 0xffff)) = value;
-#ifdef PSXREC
+ *(u8 *)p = value;
+#ifndef DRC_DISABLE
psxCpu->Clear((mem & (~3)), 1);
#endif
} else {
}
}
-void psxMemWrite16(u32 mem, u16 value) {
+void psxMemWrite16(u32 mem, u32 value) {
char *p;
u32 t;
else
psxHwWrite16(mem, value);
} else {
- p = (char *)(psxMemWLUT[t]);
- if (p != NULL) {
+ p = psxm(mem, 1);
+ if (p != INVALID_PTR) {
if (Config.Debug)
DebugCheckBP((mem & 0xffffff) | 0x80000000, W2);
- *(u16 *)(p + (mem & 0xffff)) = SWAPu16(value);
-#ifdef PSXREC
+ *(u16 *)p = SWAPu16(value);
+#ifndef DRC_DISABLE
psxCpu->Clear((mem & (~3)), 1);
#endif
} else {
else
psxHwWrite32(mem, value);
} else {
- p = (char *)(psxMemWLUT[t]);
- if (p != NULL) {
+ p = psxm(mem, 1);
+ if (p != INVALID_PTR) {
if (Config.Debug)
DebugCheckBP((mem & 0xffffff) | 0x80000000, W4);
- *(u32 *)(p + (mem & 0xffff)) = SWAPu32(value);
-#ifdef PSXREC
+ *(u32 *)p = SWAPu32(value);
+#ifndef DRC_DISABLE
psxCpu->Clear(mem, 1);
#endif
} else {
- if (mem != 0xfffe0130) {
-#ifdef PSXREC
- 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, 0, 0x80 * sizeof(void *));
- memset(psxMemWLUT + 0x8000, 0, 0x80 * sizeof(void *));
- memset(psxMemWLUT + 0xa000, 0, 0x80 * sizeof(void *));
- 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 *));
- 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;
- }
- }
}
}
}
else
return NULL;
} else {
- p = (char *)(psxMemWLUT[t]);
- if (p != NULL) {
- return (void *)(p + (mem & 0xffff));
+ p = psxm(mem, 1);
+ if (p != INVALID_PTR) {
+ return (void *)p;
}
return NULL;
}
notaz.gp2x.de / pcsx_rearmed.git / blobdiff