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pc-bios/s390-ccw: add boot entry selection for ECKD DASD

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1. change a bit definition of ScsiMbr to allow an array of pointers
2. add loadparm fetch to boot script processing
3. apply loadparm index to boot entry selection, if any

Initial patch from Eugene (jno) Dvurechenski.

Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
Farhan Ali 2016-04-18 13:45:32 +02:00 • committed by Cornelia Huck
parent 9dd7823b70
commit 82ca394194
2 changed files with 12 additions and 6 deletions
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2
pc-bios/s390-ccw/bootmap.h
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@ -70,7 +70,7 @@ typedef struct ScsiMbr {
uint8_t magic[4];
uint32_t version_id;
uint8_t reserved[8];
ScsiBlockPtr blockptr;
ScsiBlockPtr blockptr[];
} __attribute__ ((packed)) ScsiMbr;
#define ZIPL_MAGIC "zIPL"