boot: Allow boot order=g-m option to choose boot SCSI ID
Add support to boot from a specific SCSI ID by mapping drives
g-m to SCSI IDs 0-7, e.g.
-boot order=g for SCSI ID 0, and
-boot order=l for SCSI ID 5
Signed-off-by: Helge Deller <deller@gmx.de>
diff --git a/src/boot.c b/src/boot.c
index be0d734..f2ded31 100644
--- a/src/boot.c
+++ b/src/boot.c
@@ -820,10 +820,19 @@
/* try each boot device */
hlist_for_each_entry(pos, &BootList, node) {
if (((bootdrive == 'd') && (pos->type == IPL_TYPE_CDROM)) ||
- ((bootdrive != 'd') && (pos->type == IPL_TYPE_HARDDISK))) {
+ ((bootdrive == 'c') && (pos->type == IPL_TYPE_HARDDISK))) {
printf("\nBooting from %s\n",pos->description);
return pos->drive;
}
+ /* -boot order=g-m: machine implementation dependent drives */
+ if ((bootdrive >= 'g') && (bootdrive <= 'm')) {
+ int scsi_index = (int)bootdrive - 'g';
+ if (pos->drive->target == scsi_index) {
+ printf("\nBooting from SCSI target %d: %s\n",
+ scsi_index, pos->description);
+ return pos->drive;
+ }
+ }
}
/* if none found, choose first bootable device */
hlist_for_each_entry(pos, &BootList, node) {
