Index: head/stand/common/disk.c =================================================================== --- head/stand/common/disk.c +++ head/stand/common/disk.c @@ -270,6 +270,9 @@ dev->d_offset = part.start; od->entrysize = part.end - part.start + 1; } + } else if (ptable_gettype(od->table) == PTABLE_ISO9660) { + dev->d_offset = 0; + od->entrysize = mediasize; } else if (slice >= 0) { /* Try to get information about partition */ if (slice == 0) Index: head/stand/common/part.h =================================================================== --- head/stand/common/part.h +++ head/stand/common/part.h @@ -36,7 +36,8 @@ PTABLE_BSD, PTABLE_MBR, PTABLE_GPT, - PTABLE_VTOC8 + PTABLE_VTOC8, + PTABLE_ISO9660 }; enum partition_type { @@ -52,6 +53,7 @@ PART_LINUX, PART_LINUX_SWAP, PART_DOS, + PART_ISO9660 }; struct ptable_entry { Index: head/stand/common/part.c =================================================================== --- head/stand/common/part.c +++ head/stand/common/part.c @@ -37,6 +37,8 @@ #include #include +#include + #include #include #include @@ -97,6 +99,7 @@ { PART_LINUX, "Linux" }, { PART_LINUX_SWAP, "Linux swap" }, { PART_DOS, "DOS/Windows" }, + { PART_ISO9660, "ISO9660" }, }; const char * @@ -603,6 +606,45 @@ } #endif /* LOADER_VTOC8_SUPPORT */ +#define cdb2devb(bno) ((bno) * ISO_DEFAULT_BLOCK_SIZE / table->sectorsize) + +static struct ptable * +ptable_iso9660read(struct ptable *table, void *dev, diskread_t dread) +{ + uint8_t *buf; + struct iso_primary_descriptor *vd; + struct pentry *entry; + + buf = malloc(table->sectorsize); + if (buf == NULL) + return (table); + + if (dread(dev, buf, 1, cdb2devb(16)) != 0) { + DEBUG("read failed"); + ptable_close(table); + table = NULL; + goto out; + } + vd = (struct iso_primary_descriptor *)buf; + if (bcmp(vd->id, ISO_STANDARD_ID, sizeof vd->id) != 0) + goto out; + + entry = malloc(sizeof(*entry)); + if (entry == NULL) + goto out; + entry->part.start = 0; + entry->part.end = table->sectors; + entry->part.type = PART_ISO9660; + entry->part.index = 0; + STAILQ_INSERT_TAIL(&table->entries, entry, entry); + + table->type = PTABLE_ISO9660; + +out: + free(buf); + return (table); +} + struct ptable * ptable_open(void *dev, uint64_t sectors, uint16_t sectorsize, diskread_t *dread) @@ -633,6 +675,11 @@ table->sectorsize = sectorsize; table->type = PTABLE_NONE; STAILQ_INIT(&table->entries); + + if (ptable_iso9660read(table, dev, dread) != NULL) { + if (table->type == PTABLE_ISO9660) + goto out; + } #ifdef LOADER_VTOC8_SUPPORT if (be16dec(buf + offsetof(struct vtoc8, magic)) == VTOC_MAGIC) {