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Diffstat (limited to 'src/lib/cbfs.c')
-rw-r--r--src/lib/cbfs.c18
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);