u8 *load_file_from_ISO(const char *iso, char *name, int *size)
{
int ret;
u32 lba;
u8 *buf;
ret = isoOpen(iso);
if (ret < 0) {
return NULL;
}
ret = isoGetFileInfo(name, (u32*)size, &lba);
if (ret < 0) {
isoClose();
return NULL;
}
buf = malloc(*size);
if (buf == NULL) {
isoClose();
return NULL;
}
ret = isoRead(buf, lba, 0, *size);
if (ret < 0) {
isoClose();
return NULL;
}
isoClose();
return buf;
}
static int has_file(char *file)
{
int ret;
u32 size, lba;
ret = isoGetFileInfo(file, &size, &lba);
ret = (ret >= 0) ? 1 : 0;
return ret;
}
static int has_prometheus_module(VirtualPBP *vpbp)
{
int ret;
u32 size, lba;
ret = isoOpen(vpbp->name);
if (ret < 0) {
return 0;
}
ret = isoGetFileInfo("/PSP_GAME/SYSDIR/EBOOT.OLD", &size, &lba);
ret = (ret >= 0) ? 1 : 0;
isoClose();
return ret;
}
static int build_vpbp(VirtualPBP *vpbp)
{
int ret, i;
u32 off;
printk("Need to build vpbp %s\n", vpbp->name);
memset(vpbp->header, 0, sizeof(vpbp->header));
memset(vpbp->sects, 0, sizeof(vpbp->sects));
vpbp->enabled = 1;
vpbp->file_pointer = 0;
vpbp->header[0] = 0x50425000; // PBP magic
vpbp->header[1] = 0x10000; // version
// fill vpbp offsets
off = 0x28;
ret = isoOpen(vpbp->name);
if (ret < 0) {
printk("%s: isoOpen -> %d\n", __func__, ret);
ret = add_cache(vpbp);
return ret;
}
for(i=0; i<NELEMS(pbp_entries); ++i) {
vpbp->header[i+2] = off;
if (pbp_entries[i].enabled) {
PBPSection *sec = &vpbp->sects[i];
ret = isoGetFileInfo(pbp_entries[i].name, &sec->size, &sec->lba);
if (ret < 0) {
if (i == 0) {
// no PARAM.SFO?
// then it's a bad ISO
isoClose();
return -36;
} else {
continue;
}
}
if (i == 0) {
off += sizeof(virtualsfo);
} else {
off += sec->size;
}
}
}
vpbp->pbp_total_size = vpbp->header[9];
get_iso_file_size(vpbp->name, &vpbp->iso_total_size);
ret = add_cache(vpbp);
printk("%s: add_cache -> %d\n", __func__, ret);
isoClose();
return ret;
}
