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pc-bios/s390-ccw: add some utility code

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IPL_assert(term,message) is introduced to handle error conditions.
ebcdic_to_ascii() to convert chars (mostly to print VOLSERs).
read_block() provision for unified block-number handling.

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
Eugene (jno) Dvurechenski 2014-05-19 20:09:50 +02:00 • committed by Cornelia Huck
parent 91a03f9b69
commit a94b485e17
2 changed files with 84 additions and 14 deletions
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15
pc-bios/s390-ccw/bootmap.c
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@ -86,25 +86,12 @@ static int zipl_magic(uint8_t *ptr)
return 1;
}
static inline bool unused_space(const void *p, unsigned int size)
{
int i;
const unsigned char *m = p;
for (i = 0; i < size; i++) {
if (m[i] != FREE_SPACE_FILLER) {
return false;
}
}
return true;
}
static int zipl_load_segment(ComponentEntry *entry)
{
const int max_entries = (MAX_SECTOR_SIZE / sizeof(ScsiBlockPtr));
ScsiBlockPtr *bprs = (void *)sec;
const int bprs_size = sizeof(sec);
uint64_t blockno;
block_number_t blockno;
long address;
int i;