/*
* 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';
}
