/* * Test for a valid MAC partition */ static int part_test_mac(struct blk_desc *dev_desc) { ALLOC_CACHE_ALIGN_BUFFER(mac_driver_desc_t, ddesc, 1); ALLOC_CACHE_ALIGN_BUFFER(mac_partition_t, mpart, 1); ulong i, n; if (part_mac_read_ddb (dev_desc, ddesc)) { /* error reading Driver Desriptor Block, or no valid Signature */ return (-1); } n = 1; /* assuming at least one partition */ for (i=1; i<=n; ++i) { if ((blk_dread(dev_desc, i, 1, (ulong *)mpart) != 1) || (mpart->signature != MAC_PARTITION_MAGIC) ) { return (-1); } /* update partition count */ n = mpart->map_count; } return (0); }
/* * Test for a valid MAC partition */ int test_part_mac (block_dev_desc_t *dev_desc) { mac_driver_desc_t ddesc; mac_partition_t mpart; ulong i, n; if (part_mac_read_ddb (dev_desc, &ddesc)) { /* error reading Driver Desriptor Block, or no valid Signature */ return (-1); } n = 1; /* assuming at least one partition */ for (i=1; i<=n; ++i) { if ((dev_desc->block_read(dev_desc->dev, i, 1, (ulong *)&mpart) != 1) || (mpart.signature != MAC_PARTITION_MAGIC) ) { return (-1); } /* update partition count */ n = mpart.map_count; } return (0); }
static void part_print_mac(struct blk_desc *dev_desc) { ulong i, n; ALLOC_CACHE_ALIGN_BUFFER(mac_driver_desc_t, ddesc, 1); ALLOC_CACHE_ALIGN_BUFFER(mac_partition_t, mpart, 1); ldiv_t mb, gb; if (part_mac_read_ddb (dev_desc, ddesc)) { /* error reading Driver Desriptor Block, or no valid Signature */ return; } n = ddesc->blk_count; mb = ldiv(n, ((1024 * 1024) / ddesc->blk_size)); /* MB */ /* round to 1 digit */ mb.rem *= 10 * ddesc->blk_size; mb.rem += 512 * 1024; mb.rem /= 1024 * 1024; gb = ldiv(10 * mb.quot + mb.rem, 10240); gb.rem += 512; gb.rem /= 1024; printf ("Block Size=%d, Number of Blocks=%d, " "Total Capacity: %ld.%ld MB = %ld.%ld GB\n" "DeviceType=0x%x, DeviceId=0x%x\n\n" " #: type name" " length base (size)\n", ddesc->blk_size, ddesc->blk_count, mb.quot, mb.rem, gb.quot, gb.rem, ddesc->dev_type, ddesc->dev_id ); n = 1; /* assuming at least one partition */ for (i=1; i<=n; ++i) { ulong bytes; char c; printf ("%4ld: ", i); if (blk_dread(dev_desc, i, 1, (ulong *)mpart) != 1) { printf ("** Can't read Partition Map on %d:%ld **\n", dev_desc->devnum, i); return; } if (mpart->signature != MAC_PARTITION_MAGIC) { printf("** Bad Signature on %d:%ld - expected 0x%04x, got 0x%04x\n", dev_desc->devnum, i, MAC_PARTITION_MAGIC, mpart->signature); return; } /* update partition count */ n = mpart->map_count; c = 'k'; bytes = mpart->block_count; bytes /= (1024 / ddesc->blk_size); /* kB; assumes blk_size == 512 */ if (bytes >= 1024) { bytes >>= 10; c = 'M'; } if (bytes >= 1024) { bytes >>= 10; c = 'G'; }