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-rw-r--r--src/lib/romfs.c35
1 files changed, 26 insertions, 9 deletions
diff --git a/src/lib/romfs.c b/src/lib/romfs.c
index 87095cfb07..b95b5e2390 100644
--- a/src/lib/romfs.c
+++ b/src/lib/romfs.c
@@ -73,7 +73,7 @@ struct romfs_header *romfs_master_header(void)
{
struct romfs_header *header;
- unsigned long ptr = *((unsigned long *) ROMFS_HEADPTR_ADDR);
+ void *ptr = (void *)*((unsigned long *) ROMFS_HEADPTR_ADDR);
printk_debug("Check ROMFS header at %p\n", ptr);
header = (struct romfs_header *) ptr;
@@ -130,22 +130,39 @@ struct romfs_stage *romfs_find_file(const char *name, int type)
return (void *) ROMFS_SUBHEADER(file);
}
-int romfs_load_optionrom(const char *name, u32 dest)
+void *romfs_load_optionrom(u16 vendor, u16 device, void * dest)
{
- struct romfs_optionrom *orom = (struct romfs_optionrom *)
+ char name[17];
+ struct romfs_optionrom *orom;
+ u8 *src;
+
+ sprintf(name,"pci%04x,%04x.rom", vendor, device);
+
+ orom = (struct romfs_optionrom *)
romfs_find_file(name, ROMFS_TYPE_OPTIONROM);
if (orom == NULL)
- return -1;
+ return NULL;
+
+ /* They might have specified a dest address. If so, we can decompress.
+ * If not, there's not much hope of decompressing or relocating the rom.
+ * in the common case, the expansion rom is uncompressed, we
+ * pass 0 in for the dest, and all we have to do is find the rom and
+ * return a pointer to it.
+ */
+
+ src = ((unsigned char *) orom) + sizeof(struct romfs_optionrom);
+
+ if (! dest)
+ return src;
if (romfs_decompress(ntohl(orom->compression),
- ((unsigned char *) orom) +
- sizeof(struct romfs_optionrom),
- (void *) dest,
+ src,
+ dest,
ntohl(orom->len)))
- return -1;
+ return NULL;
- return 0;
+ return dest;
}
void * romfs_load_payload(struct lb_memory *lb_mem, const char *name)