int mac_partition(struct parsed_partitions *state) { Sector sect; unsigned char *data; int slot, blocks_in_map; unsigned secsize; #ifdef CONFIG_PPC_PMAC int found_root = 0; int found_root_goodness = 0; #endif struct mac_partition *part; struct mac_driver_desc *md; /* */ md = read_part_sector(state, 0, §); if (!md) return -1; if (be16_to_cpu(md->signature) != MAC_DRIVER_MAGIC) { put_dev_sector(sect); return 0; } secsize = be16_to_cpu(md->block_size); put_dev_sector(sect); data = read_part_sector(state, secsize/512, §); if (!data) return -1; part = (struct mac_partition *) (data + secsize%512); if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC) { put_dev_sector(sect); return 0; /* */ } blocks_in_map = be32_to_cpu(part->map_count); if (blocks_in_map < 0 || blocks_in_map >= DISK_MAX_PARTS) { put_dev_sector(sect); return 0; } strlcat(state->pp_buf, " [mac]", PAGE_SIZE); for (slot = 1; slot <= blocks_in_map; ++slot) { int pos = slot * secsize; put_dev_sector(sect); data = read_part_sector(state, pos/512, §); if (!data) return -1; part = (struct mac_partition *) (data + pos%512); if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC) break; put_partition(state, slot, be32_to_cpu(part->start_block) * (secsize/512), be32_to_cpu(part->block_count) * (secsize/512)); if (!strnicmp(part->type, "Linux_RAID", 10)) state->parts[slot].flags = ADDPART_FLAG_RAID; #ifdef CONFIG_PPC_PMAC /* */ if (machine_is(powermac)) { int goodness = 0; mac_fix_string(part->processor, 16); mac_fix_string(part->name, 32); mac_fix_string(part->type, 32); if ((be32_to_cpu(part->status) & MAC_STATUS_BOOTABLE) && strcasecmp(part->processor, "powerpc") == 0) goodness++; if (strcasecmp(part->type, "Apple_UNIX_SVR2") == 0 || (strnicmp(part->type, "Linux", 5) == 0 && strcasecmp(part->type, "Linux_swap") != 0)) { int i, l; goodness++; l = strlen(part->name); if (strcmp(part->name, "/") == 0) goodness++; for (i = 0; i <= l - 4; ++i) { if (strnicmp(part->name + i, "root", 4) == 0) { goodness += 2; break; } } if (strnicmp(part->name, "swap", 4) == 0) goodness--; } if (goodness > found_root_goodness) { found_root = slot; found_root_goodness = goodness; } } #endif /* */ } #ifdef CONFIG_PPC_PMAC if (found_root_goodness) note_bootable_part(state->bdev->bd_dev, found_root, found_root_goodness); #endif put_dev_sector(sect); strlcat(state->pp_buf, "\n", PAGE_SIZE); return 1; }
int mac_partition(struct parsed_partitions *state, struct block_device *bdev) { int slot = 1; Sector sect; unsigned char *data; int blk, blocks_in_map; unsigned secsize; #ifdef CONFIG_PPC_PMAC int found_root = 0; int found_root_goodness = 0; #endif struct mac_partition *part; struct tivo_bigpartition *bigpart; struct mac_driver_desc *md; #ifdef CONFIG_TIVO int tivo_only = 0; #endif /* Get 0th block and look at the first partition map entry. */ md = (struct mac_driver_desc *) read_dev_sector(bdev, 0, §); if (!md) return -1; #ifdef CONFIG_TIVO switch(be16_to_cpu(md->signature)) { case MAC_DRIVER_MAGIC: secsize = be16_to_cpu(md->block_size); put_dev_sector(sect); data = read_dev_sector(bdev, secsize/512, §); if (!data) return -1; part = (struct mac_partition *)(data + secsize % 512); break; case TIVO_BOOT_MAGIC: tivo_only = 0; secsize = 512; data = read_dev_sector(bdev, 1, §); if (!data) return -1; part = (struct mac_partition *)data; break; default: put_dev_sector(sect); printk("block 0 has signature %x rather than %x or %x\n", be16_to_cpu(md->signature), MAC_DRIVER_MAGIC, TIVO_BOOT_MAGIC); return 0; } #else if (be16_to_cpu(md->signature) != MAC_DRIVER_MAGIC) { put_dev_sector(sect); return 0; } secsize = be16_to_cpu(md->block_size); put_dev_sector(sect); data = read_dev_sector(bdev, secsize/512, §); if (!data) return -1; part = (struct mac_partition *) (data + secsize%512); #endif if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC) { put_dev_sector(sect); return 0; /* not a MacOS disk */ } #ifdef CONFIG_TIVO printk(" [%s]", (be16_to_cpu(md->signature) == TIVO_BOOT_MAGIC) ? "tivo" : "mac"); #else printk(" [mac]"); #endif blocks_in_map = be32_to_cpu(part->map_count); for (blk = 1; blk <= blocks_in_map; ++blk) { int pos = blk * secsize; put_dev_sector(sect); data = read_dev_sector(bdev, pos/512, §); if (!data) return -1; part = (struct mac_partition *) (data + pos%512); switch (be16_to_cpu(part->signature)) { case MAC_PARTITION_MAGIC: #ifdef CONFIG_TIVO if (tivo_only && strncmp(part->type, "TiVo", 4) != 0) { continue; } #endif put_partition(state, slot, be32_to_cpu(part->start_block) * (secsize/512), be32_to_cpu(part->block_count) * (secsize/512)); #ifdef CONFIG_TIVO /* Check for media partition */ if (be32_to_cpu(part->status) & 0x100) { state->parts[slot].driver_flags = 1; printk("[M]"); } #endif #ifdef CONFIG_PPC_PMAC /* * If this is the first bootable partition, tell the * setup code, in case it wants to make this the root. */ if (machine_is(powermac)) { int goodness = 0; mac_fix_string(part->processor, 16); mac_fix_string(part->name, 32); mac_fix_string(part->type, 32); if ((be32_to_cpu(part->status) & MAC_STATUS_BOOTABLE) && strcasecmp(part->processor, "powerpc") == 0) goodness++; if (strcasecmp(part->type, "Apple_UNIX_SVR2") == 0 || (strnicmp(part->type, "Linux", 5) == 0 && strcasecmp(part->type, "Linux_swap") != 0)) { int i, l; goodness++; l = strlen(part->name); if (strcmp(part->name, "/") == 0) goodness++; for (i = 0; i <= l - 4; ++i) { if (strnicmp(part->name + i, "root", 4) == 0) { goodness += 2; break; } } if (strnicmp(part->name, "swap", 4) == 0) goodness--; } if (goodness > found_root_goodness) { found_root = blk; found_root_goodness = goodness; } } #endif /* CONFIG_PPC_PMAC */ ++slot; break; #ifdef CONFIG_TIVO case TIVO_BIGPARTITION_MAGIC: bigpart = (struct tivo_bigpartition *) part; put_partition(state, slot, be64_to_cpu(bigpart->start_block) * (secsize/512), be64_to_cpu(bigpart->block_count) * (secsize/512)); /* Show that we found the big-partition code */ printk("!"); /* Check for media partition */ if (be32_to_cpu(bigpart->status) & 0x100) { state->parts[slot].driver_flags = 1; printk("[M]"); } ++slot; #endif break; default: break; } } #ifdef CONFIG_PPC_PMAC if (found_root_goodness) note_bootable_part(bdev->bd_dev, found_root, found_root_goodness); #endif put_dev_sector(sect); printk("\n"); return 1; }
int mac_partition(struct parsed_partitions *state, struct block_device *bdev) { Sector sect; unsigned char *data; int slot, blocks_in_map; unsigned secsize; #ifdef CONFIG_PPC_PMAC int found_root = 0; int found_root_goodness = 0; #endif struct mac_partition *part; struct mac_driver_desc *md; /* Get 0th block and look at the first partition map entry. */ md = (struct mac_driver_desc *) read_dev_sector(bdev, 0, §); if (!md) return -1; if (be16_to_cpu(md->signature) != MAC_DRIVER_MAGIC) { put_dev_sector(sect); return 0; } secsize = be16_to_cpu(md->block_size); put_dev_sector(sect); data = read_dev_sector(bdev, secsize/512, §); if (!data) return -1; part = (struct mac_partition *) (data + secsize%512); if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC) { put_dev_sector(sect); return 0; /* not a MacOS disk */ } blocks_in_map = be32_to_cpu(part->map_count); if (blocks_in_map < 0 || blocks_in_map >= DISK_MAX_PARTS) { put_dev_sector(sect); return 0; } printk(" [mac]"); for (slot = 1; slot <= blocks_in_map; ++slot) { int pos = slot * secsize; put_dev_sector(sect); data = read_dev_sector(bdev, pos/512, §); if (!data) return -1; part = (struct mac_partition *) (data + pos%512); if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC) break; put_partition(state, slot, be32_to_cpu(part->start_block) * (secsize/512), be32_to_cpu(part->block_count) * (secsize/512)); if (!strnicmp(part->type, "Linux_RAID", 10)) state->parts[slot].flags = 1; #ifdef CONFIG_PPC_PMAC /* * If this is the first bootable partition, tell the * setup code, in case it wants to make this the root. */ if (machine_is(powermac)) { int goodness = 0; mac_fix_string(part->processor, 16); mac_fix_string(part->name, 32); mac_fix_string(part->type, 32); if ((be32_to_cpu(part->status) & MAC_STATUS_BOOTABLE) && strcasecmp(part->processor, "powerpc") == 0) goodness++; if (strcasecmp(part->type, "Apple_UNIX_SVR2") == 0 || (strnicmp(part->type, "Linux", 5) == 0 && strcasecmp(part->type, "Linux_swap") != 0)) { int i, l; goodness++; l = strlen(part->name); if (strcmp(part->name, "/") == 0) goodness++; for (i = 0; i <= l - 4; ++i) { if (strnicmp(part->name + i, "root", 4) == 0) { goodness += 2; break; } } if (strnicmp(part->name, "swap", 4) == 0) goodness--; } if (goodness > found_root_goodness) { found_root = slot; found_root_goodness = goodness; } } #endif /* CONFIG_PPC_PMAC */ } #ifdef CONFIG_PPC_PMAC if (found_root_goodness) note_bootable_part(bdev->bd_dev, found_root, found_root_goodness); #endif put_dev_sector(sect); printk("\n"); return 1; }
int mac_partition(struct parsed_partitions *state) { Sector sect; unsigned char *data; int slot, blocks_in_map; unsigned secsize; #ifdef CONFIG_PPC_PMAC int found_root = 0; int found_root_goodness = 0; #endif #ifdef CONFIG_TIVO_DISKPARTITION int num_parts=-1; // count number of valid tivo partitions #endif struct mac_partition *part; struct mac_driver_desc *md; /* Get 0th block and look at the first partition map entry. */ md = read_part_sector(state, 0, §); if (!md) return -1; #ifdef CONFIG_TIVO_DISKPARTITION switch(md->signature) { case MAC_DRIVER_MAGIC: secsize = md->block_size; put_dev_sector(sect); data = read_part_sector(state, secsize/512, §); if (!data) return -1; part = (struct mac_partition *)(data + secsize % 512); break; case TIVO_BOOT_MAGIC: secsize = 512; data = read_part_sector(state, 1, §); if (!data) return -1; part = (struct mac_partition *)data; break; default: put_dev_sector(sect); printk("block 0 has signature %x rather than %x or %x\n", md->signature, MAC_DRIVER_MAGIC, TIVO_BOOT_MAGIC); return 0; } if (part->signature != MAC_PARTITION_MAGIC) { put_dev_sector(sect); return 0; /* not a MacOS disk */ } blocks_in_map = part->map_count; #else if (be16_to_cpu(md->signature) != MAC_DRIVER_MAGIC) { put_dev_sector(sect); return 0; } secsize = be16_to_cpu(md->block_size); put_dev_sector(sect); data = read_part_sector(state, secsize/512, §); if (!data) return -1; part = (struct mac_partition *) (data + secsize%512); if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC) { put_dev_sector(sect); return 0; /* not a MacOS disk */ } blocks_in_map = be32_to_cpu(part->map_count); #endif if (blocks_in_map < 0 || blocks_in_map >= DISK_MAX_PARTS) { put_dev_sector(sect); return 0; } #ifdef CONFIG_TIVO_DISKPARTITION if (md->signature == TIVO_BOOT_MAGIC) { strlcat(state->pp_buf," [tivo]", PAGE_SIZE); num_parts=0; } else #endif strlcat(state->pp_buf, " [mac]", PAGE_SIZE); for (slot = 1; slot <= blocks_in_map; ++slot) { int pos = slot * secsize; put_dev_sector(sect); data = read_part_sector(state, pos/512, §); if (!data) return -1; part = (struct mac_partition *) (data + pos%512); #ifdef CONFIG_TIVO_DISKPARTITION if (part->signature == TIVO_BIGPARTITION_MAGIC) { struct tivo_bigpartition *bigpart = (void *) part; put_partition(state, slot, bigpart->start_block * (secsize/512), bigpart->block_count * (secsize/512)); /* Show that we found the big-partition code */ strlcat(state->pp_buf,"!",PAGE_SIZE); /* Check for media partition */ if (bigpart->status & 0x100) { state->parts[slot].driver_flags = 1; strlcat(state->pp_buf,"[M]",PAGE_SIZE); } } else { if (part->signature != MAC_PARTITION_MAGIC) break; put_partition(state, slot, part->start_block * (secsize/512), part->block_count * (secsize/512)); /* Check for media partition */ if (part->status & 0x100) { state->parts[slot].driver_flags = 1; strlcat(state->pp_buf,"[M]",PAGE_SIZE); } } if (num_parts >= 0) num_parts++; #else if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC) break; put_partition(state, slot, be32_to_cpu(part->start_block) * (secsize/512), be32_to_cpu(part->block_count) * (secsize/512)); if (!strnicmp(part->type, "Linux_RAID", 10)) state->parts[slot].flags = ADDPART_FLAG_RAID; #endif #ifdef CONFIG_PPC_PMAC /* * If this is the first bootable partition, tell the * setup code, in case it wants to make this the root. */ if (machine_is(powermac)) { int goodness = 0; mac_fix_string(part->processor, 16); mac_fix_string(part->name, 32); mac_fix_string(part->type, 32); if ((be32_to_cpu(part->status) & MAC_STATUS_BOOTABLE) && strcasecmp(part->processor, "powerpc") == 0) goodness++; if (strcasecmp(part->type, "Apple_UNIX_SVR2") == 0 || (strnicmp(part->type, "Linux", 5) == 0 && strcasecmp(part->type, "Linux_swap") != 0)) { int i, l; goodness++; l = strlen(part->name); if (strcmp(part->name, "/") == 0) goodness++; for (i = 0; i <= l - 4; ++i) { if (strnicmp(part->name + i, "root", 4) == 0) { goodness += 2; break; } } if (strnicmp(part->name, "swap", 4) == 0) goodness--; } if (goodness > found_root_goodness) { found_root = slot; found_root_goodness = goodness; } } #endif /* CONFIG_PPC_PMAC */ } #ifdef CONFIG_PPC_PMAC if (found_root_goodness) note_bootable_part(state->bdev->bd_dev, found_root, found_root_goodness); #endif put_dev_sector(sect); #ifdef CONFIG_TIVO_DISKPARTITION if (num_parts == 14) { // We found a TiVo signature plus exactly 14 partitions strlcat(state->pp_buf, " :)", PAGE_SIZE); state->bdev->bd_disk->tivo=1; // tell sysfs } #endif strlcat(state->pp_buf, "\n", PAGE_SIZE); return 1; }