diff options
Diffstat (limited to 'src/lib/cbfs.c')
| -rw-r--r-- | src/lib/cbfs.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/src/lib/cbfs.c b/src/lib/cbfs.c index 5a8b5f7762..ad45ece95a 100644 --- a/src/lib/cbfs.c +++ b/src/lib/cbfs.c @@ -124,13 +124,27 @@ struct cbfs_stage *cbfs_find_file(const char *name, int type) return (void *) CBFS_SUBHEADER(file); } +static int tohex4(unsigned int c) +{ + return (c<=9)?(c+'0'):(c-10+'a'); +} + +static void tohex16(unsigned int val, char* dest) +{ + dest[0]=tohex4(val>>12); + dest[1]=tohex4((val>>8) & 0xf); + dest[2]=tohex4((val>>4) & 0xf); + dest[3]=tohex4(val & 0xf); +} + void *cbfs_load_optionrom(u16 vendor, u16 device, void * dest) { - char name[17]; + char name[17]="pciXXXX,XXXX.rom"; struct cbfs_optionrom *orom; u8 *src; - sprintf(name,"pci%04x,%04x.rom", vendor, device); + tohex16(vendor, name+3); + tohex16(device, name+8); orom = (struct cbfs_optionrom *) cbfs_find_file(name, CBFS_TYPE_OPTIONROM); |