diff options
| author | Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com> | 2016-04-18 13:45:36 +0200 |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2017-05-02 15:08:54 +0200 |
| commit | 7a9762bf89a490d82cd8de3dc7a973f8df3f1efe (patch) | |
| tree | 5710769efe531c9f95a0845911d6ea3a6faab6fb /pc-bios/s390-ccw | |
| parent | 82ca394194342dd050034e25c5a61a854d82911a (diff) | |
pc-bios/s390-ccw: add boot entry selection to El Torito routine
If there is no LOADPARM given or '0' specified, then IPL the first
matched entry. Otherwise IPL the matching entry of that number.
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>
Diffstat (limited to 'pc-bios/s390-ccw')
| -rw-r--r-- | pc-bios/s390-ccw/bootmap.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c index e974350b6f..523fa78c5f 100644 --- a/pc-bios/s390-ccw/bootmap.c +++ b/pc-bios/s390-ccw/bootmap.c @@ -655,6 +655,7 @@ static IsoBcSection *find_iso_bc_entry(void) IsoBcEntry *e = (IsoBcEntry *)sec; uint32_t offset = find_iso_bc(); int i; + unsigned int loadparm = get_loadparm_index(); if (!offset) { return NULL; @@ -675,7 +676,11 @@ static IsoBcSection *find_iso_bc_entry(void) for (i = 1; i < ISO_BC_ENTRY_PER_SECTOR; i++) { if (e[i].id == ISO_BC_BOOTABLE_SECTION) { if (is_iso_bc_entry_compatible(&e[i].body.sect)) { - return &e[i].body.sect; + if (loadparm <= 1) { + /* found, default, or unspecified */ + return &e[i].body.sect; + } + loadparm--; } } } |