#include "r3000a.h"
#include "psxhw.h"
#include "debug.h"
-#include <sys/mman.h>
+
+#include "memmap.h"
#ifndef MAP_ANONYMOUS
#define MAP_ANONYMOUS MAP_ANON
enum psxMapTag tag)
{
int flags = MAP_PRIVATE | MAP_ANONYMOUS;
- int tried_to_align = 0;
+ int try_ = 0;
unsigned long mask;
void *req, *ret;
retry:
if (psxMapHook != NULL) {
- ret = psxMapHook(addr, size, is_fixed, tag);
- goto out;
+ ret = psxMapHook(addr, size, 0, tag);
+ if (ret == NULL)
+ return NULL;
+ }
+ else {
+ /* avoid MAP_FIXED, it overrides existing mappings.. */
+ /* 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;
}
- /* avoid MAP_FIXED, it overrides existing mappings.. */
- /* 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) {
SysMessage("psxMap: warning: wanted to map @%08x, got %p\n",
addr, ret);
return NULL;
}
- if (ret != NULL && ((addr ^ (long)ret) & 0x00ffffff)
- && !tried_to_align)
+ if (((addr ^ (unsigned long)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 = ((unsigned long)ret + mask) & ~mask;
+ try_++;
goto retry;
}
}
psxM = psxMap(0x80000000, 0x00210000, 1, MAP_TAG_RAM);
#ifndef RAM_FIXED
-#ifdef __BLACKBERRY_QNX__
if (psxM == NULL)
psxM = psxMap(0x77000000, 0x00210000, 0, MAP_TAG_RAM);
-#else
- if (psxM == NULL)
- psxM = psxMap(0x78000000, 0x00210000, 0, MAP_TAG_RAM);
-#endif
#endif
if (psxM == NULL) {
SysMessage(_("mapping main RAM failed"));
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] = NULL;
psxMemWLUT[0x1f80] = (u8 *)psxH;
return 0;
char bios[1024];
memset(psxM, 0, 0x00200000);
- memset(psxP, 0, 0x00010000);
+ memset(psxP, 0xff, 0x00010000);
if (strcmp(Config.Bios, "HLE") != 0) {
sprintf(bios, "%s/%s", Config.BiosDir, Config.Bios);
#ifdef PSXMEM_LOG
PSXMEM_LOG("err lb %8.8lx\n", mem);
#endif
- return 0;
+ return 0xFF;
}
}
}
#ifdef PSXMEM_LOG
PSXMEM_LOG("err lh %8.8lx\n", mem);
#endif
- return 0;
+ return 0xFFFF;
}
}
}
#ifdef PSXMEM_LOG
if (writeok) { PSXMEM_LOG("err lw %8.8lx\n", mem); }
#endif
- return 0;
+ return 0xFFFFFFFF;
}
}
}
if (Config.Debug)
DebugCheckBP((mem & 0xffffff) | 0x80000000, W1);
*(u8 *)(p + (mem & 0xffff)) = value;
-#ifdef PSXREC
+#ifndef DRC_DISABLE
psxCpu->Clear((mem & (~3)), 1);
#endif
} else {
if (Config.Debug)
DebugCheckBP((mem & 0xffffff) | 0x80000000, W2);
*(u16 *)(p + (mem & 0xffff)) = SWAPu16(value);
-#ifdef PSXREC
+#ifndef DRC_DISABLE
psxCpu->Clear((mem & (~3)), 1);
#endif
} else {
if (Config.Debug)
DebugCheckBP((mem & 0xffffff) | 0x80000000, W4);
*(u32 *)(p + (mem & 0xffff)) = SWAPu32(value);
-#ifdef PSXREC
+#ifndef DRC_DISABLE
psxCpu->Clear(mem, 1);
#endif
} else {
if (mem != 0xfffe0130) {
-#ifdef PSXREC
+#ifndef DRC_DISABLE
if (!writeok)
psxCpu->Clear(mem, 1);
#endif