Fix PCSX on big-endian systems

[pcsx_rearmed.git] / libpcsxcore / misc.c

diff --git a/libpcsxcore/misc.c b/libpcsxcore/misc.c
index 1b38e28..3a06306 100644 (file)
--- a/libpcsxcore/misc.c
+++ b/libpcsxcore/misc.c
@@ -21,6 +21,7 @@
 * Miscellaneous functions, including savestates and CD-ROM loading.
 */
 
+#include <stddef.h>
 #include "misc.h"
 #include "cdrom.h"
 #include "mdec.h"
@@ -60,7 +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);
@@ -244,6 +245,7 @@ int LoadCdrom() {
        tmpHead.t_addr = SWAP32(tmpHead.t_addr);
 
        psxCpu->Clear(tmpHead.t_addr, tmpHead.t_size / 4);
+       psxCpu->Reset();
 
        // Read the rest of the main executable
        while (tmpHead.t_size & ~2047) {
@@ -291,6 +293,7 @@ int LoadCdromFile(const char *filename, EXE_HEADER *head) {
        addr = head->t_addr;
 
        psxCpu->Clear(addr, size / 4);
+       psxCpu->Reset();
 
        while (size & ~2047) {
                incTime();
@@ -600,7 +603,8 @@ int SaveState(const char *file) {
        SaveFuncs.write(f, psxM, 0x00200000);
        SaveFuncs.write(f, psxR, 0x00080000);
        SaveFuncs.write(f, psxH, 0x00010000);
-       SaveFuncs.write(f, (void *)&psxRegs, sizeof(psxRegs));
+       // only partial save of psxRegisters to maintain savestate compat
+       SaveFuncs.write(f, &psxRegs, offsetof(psxRegisters, gteBusyCycle));
 
        // gpu
        gpufP = (GPUFreeze_t *)malloc(sizeof(GPUFreeze_t));
@@ -664,7 +668,8 @@ int LoadState(const char *file) {
        SaveFuncs.read(f, psxM, 0x00200000);
        SaveFuncs.read(f, psxR, 0x00080000);
        SaveFuncs.read(f, psxH, 0x00010000);
-       SaveFuncs.read(f, (void *)&psxRegs, sizeof(psxRegs));
+       SaveFuncs.read(f, &psxRegs, offsetof(psxRegisters, gteBusyCycle));
+       psxRegs.gteBusyCycle = psxRegs.cycle;
 
        if (Config.HLE)
                psxBiosFreeze(0);