diff options
Diffstat (limited to 'src/boot.c')
| -rw-r--r-- | src/boot.c | 36 |
1 files changed, 28 insertions, 8 deletions
@@ -71,6 +71,30 @@ build_pci_path(char *buf, int max, const char *devname, struct pci_device *pci) return p; } +static char * +build_scsi_path(char *buf, int max, + struct pci_device *pci, int target, int lun) +{ + // Build the string path of a scsi drive - for example: + // /pci@i0cf8/scsi@5/channel@0/disk@1,0 + char *p; + p = build_pci_path(buf, max, "*", pci); + p += snprintf(p, buf+max-p, "/*@0/*@%x,%x", target, lun); + return p; +} + +static char * +build_ata_path(char *buf, int max, + struct pci_device *pci, int chanid, int slave) +{ + // Build the string path of an ata drive - for example: + // /pci@i0cf8/ide@1,1/drive@1/disk@0 + char *p; + p = build_pci_path(buf, max, "*", pci); + p += snprintf(p, buf+max-p, "/drive@%x/disk@%x", chanid, slave); + return p; +} + /**************************************************************** * Boot device logical geometry @@ -221,10 +245,8 @@ int bootprio_find_scsi_device(struct pci_device *pci, int target, int lun) if (!pci) // support only pci machine for now return -1; - // Find scsi drive - for example: /pci@i0cf8/scsi@5/channel@0/disk@1,0 - char desc[256], *p; - p = build_pci_path(desc, sizeof(desc), "*", pci); - snprintf(p, desc+sizeof(desc)-p, "/*@0/*@%x,%x", target, lun); + char desc[256]; + build_scsi_path(desc, sizeof(desc), pci, target, lun); return find_prio(desc); } @@ -237,10 +259,8 @@ int bootprio_find_ata_device(struct pci_device *pci, int chanid, int slave) if (!pci) // support only pci machine for now return -1; - // Find ata drive - for example: /pci@i0cf8/ide@1,1/drive@1/disk@0 - char desc[256], *p; - p = build_pci_path(desc, sizeof(desc), "*", pci); - snprintf(p, desc+sizeof(desc)-p, "/drive@%x/disk@%x", chanid, slave); + char desc[256]; + build_ata_path(desc, sizeof(desc), pci, chanid, slave); return find_prio(desc); } |