misc: invaliadte dynarec on HLE file loads

also add some missing sanity checks.

diff --git a/libpcsxcore/misc.c b/libpcsxcore/misc.c
index 7353c3b..68ad17e 100644 (file)
--- a/libpcsxcore/misc.c
+++ b/libpcsxcore/misc.c
@@ -209,8 +209,10 @@ int LoadCdrom() {
        tmpHead.t_size = SWAP32(tmpHead.t_size);
        tmpHead.t_addr = SWAP32(tmpHead.t_addr);
 
+       psxCpu->Clear(tmpHead.t_addr, tmpHead.t_size / 4);
+
        // Read the rest of the main executable
-       while (tmpHead.t_size) {
+       while (tmpHead.t_size & ~2047) {
                void *ptr = (void *)PSXM(tmpHead.t_addr);
 
                incTime();
@@ -252,7 +254,9 @@ int LoadCdromFile(const char *filename, EXE_HEADER *head) {
        size = head->t_size;
        addr = head->t_addr;
 
-       while (size) {
+       psxCpu->Clear(addr, size / 4);
+
+       while (size & ~2047) {
                incTime();
                READTRACK();
 
@@ -381,6 +385,7 @@ int Load(const char *ExePath) {
        int retval = 0;
        u8 opcode;
        u32 section_address, section_size;
+       void *mem;
 
        strncpy(CdromId, "SLUS99999", 9);
        strncpy(CdromLabel, "SLUS_999.99", 11);
@@ -394,8 +399,14 @@ int Load(const char *ExePath) {
                switch (type) {
                        case PSX_EXE:
                                fread(&tmpHead,sizeof(EXE_HEADER),1,tmpFile);
-                               fseek(tmpFile, 0x800, SEEK_SET);                
-                               fread((void *)PSXM(SWAP32(tmpHead.t_addr)), SWAP32(tmpHead.t_size),1,tmpFile);
+                               section_address = SWAP32(tmpHead.t_addr);
+                               section_size = SWAP32(tmpHead.t_size);
+                               mem = PSXM(section_address);
+                               if (mem != NULL) {
+                                       fseek(tmpFile, 0x800, SEEK_SET);                
+                                       fread(mem, section_size, 1, tmpFile);
+                                       psxCpu->Clear(section_address, section_size / 4);
+                               }
                                fclose(tmpFile);
                                psxRegs.pc = SWAP32(tmpHead.pc0);
                                psxRegs.GPR.n.gp = SWAP32(tmpHead.gp0);
@@ -417,7 +428,11 @@ int Load(const char *ExePath) {
 #ifdef EMU_LOG
                                                        EMU_LOG("Loading %08X bytes from %08X to %08X\n", section_size, ftell(tmpFile), section_address);
 #endif
-                                                       fread(PSXM(section_address), section_size, 1, tmpFile);
+                                                       mem = PSXM(section_address);
+                                                       if (mem != NULL) {
+                                                               fread(mem, section_size, 1, tmpFile);
+                                                               psxCpu->Clear(section_address, section_size / 4);
+                                                       }
                                                        break;
                                                case 3: /* register loading (PC only?) */
                                                        fseek(tmpFile, 2, SEEK_CUR); /* unknown field */