Fix PCSX on big-endian systems

[pcsx_rearmed.git] / libpcsxcore / misc.c

diff --git a/libpcsxcore/misc.c b/libpcsxcore/misc.c
index be501a2..f820868 100644 (file)
--- a/libpcsxcore/misc.c
+++ b/libpcsxcore/misc.c
@@ -61,7 +61,7 @@ void mmssdd( char *b, char *p )
 #if defined(__arm__)
        unsigned char *u = (void *)b;
        int block = (u[3] << 24) | (u[2] << 16) | (u[1] << 8) | u[0];
-#elif defined(__BIGENDIAN__)
+#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
        int block = (b[0] & 0xff) | ((b[1] & 0xff) << 8) | ((b[2] & 0xff) << 16) | (b[3] << 24);
 #else
        int block = *((int*)b);
@@ -254,7 +254,7 @@ int LoadCdrom() {
                incTime();
                READTRACK();
 
-               if (ptr != NULL) memcpy(ptr, buf+12, 2048);
+               if (ptr != INVALID_PTR) memcpy(ptr, buf+12, 2048);
 
                tmpHead.t_size -= 2048;
                tmpHead.t_addr += 2048;
@@ -300,7 +300,7 @@ int LoadCdromFile(const char *filename, EXE_HEADER *head) {
                READTRACK();
 
                mem = PSXM(addr);
-               if (mem)
+               if (mem != INVALID_PTR)
                        memcpy(mem, buf + 12, 2048);
 
                size -= 2048;
@@ -489,7 +489,7 @@ int Load(const char *ExePath) {
                                section_address = SWAP32(tmpHead.t_addr);
                                section_size = SWAP32(tmpHead.t_size);
                                mem = PSXM(section_address);
-                               if (mem != NULL) {
+                               if (mem != INVALID_PTR) {
                                        fseek(tmpFile, 0x800, SEEK_SET);
                                        fread_to_ram(mem, section_size, 1, tmpFile);
                                        psxCpu->Clear(section_address, section_size / 4);
@@ -518,7 +518,7 @@ int Load(const char *ExePath) {
                                                        EMU_LOG("Loading %08X bytes from %08X to %08X\n", section_size, ftell(tmpFile), section_address);
 #endif
                                                        mem = PSXM(section_address);
-                                                       if (mem != NULL) {
+                                                       if (mem != INVALID_PTR) {
                                                                fread_to_ram(mem, section_size, 1, tmpFile);
                                                                psxCpu->Clear(section_address, section_size / 4);
                                                        }
@@ -603,6 +603,15 @@ static const char PcsxHeader[32] = "STv4 PCSX v" PCSX_VERSION;
 // If you make changes to the savestate version, please increment the value below.
 static const u32 SaveVersion = 0x8b410006;
 
+static int drc_is_lightrec(void)
+{
+#if defined(LIGHTREC)
+       return 1;
+#else
+       return 0;
+#endif
+}
+
 int SaveState(const char *file) {
        void *f;
        GPUFreeze_t *gpufP;
@@ -615,6 +624,9 @@ int SaveState(const char *file) {
 
        new_dyna_before_save();
 
+       if (drc_is_lightrec() && Config.Cpu != CPU_INTERPRETER)
+               lightrec_plugin_prepare_save_state();
+
        SaveFuncs.write(f, (void *)PcsxHeader, 32);
        SaveFuncs.write(f, (void *)&SaveVersion, sizeof(u32));
        SaveFuncs.write(f, (void *)&Config.HLE, sizeof(boolean));
@@ -690,12 +702,8 @@ int LoadState(const char *file) {
        if (Config.HLE)
                psxBiosInit();
 
-#if defined(LIGHTREC)
-       if (Config.Cpu != CPU_INTERPRETER)
-               psxCpu->Clear(0, UINT32_MAX); //clear all
-       else
-#endif
-       psxCpu->Reset();
+       if (!drc_is_lightrec() || Config.Cpu == CPU_INTERPRETER)
+               psxCpu->Reset();
        SaveFuncs.seek(f, 128 * 96 * 3, SEEK_CUR);
 
        SaveFuncs.read(f, psxM, 0x00200000);
@@ -704,6 +712,9 @@ int LoadState(const char *file) {
        SaveFuncs.read(f, &psxRegs, offsetof(psxRegisters, gteBusyCycle));
        psxRegs.gteBusyCycle = psxRegs.cycle;
 
+       if (drc_is_lightrec() && Config.Cpu != CPU_INTERPRETER)
+               lightrec_plugin_prepare_load_state();
+
        if (Config.HLE)
                psxBiosFreeze(0);