/*
* Searches for the U-Boot API signature
*
* returns 1/0 depending on found/not found result
*/
int
api_search_sig(struct api_signature **sig)
{
unsigned char *sp, *spend;
if (sig == NULL)
return (0);
if (uboot_address == 0)
uboot_address = 255 * 1024 * 1024;
sp = (void *)(uboot_address & ~0x000fffff);
spend = sp + 0x00300000 - API_SIG_MAGLEN;
while (sp < spend) {
if (!bcmp(sp, API_SIG_MAGIC, API_SIG_MAGLEN)) {
*sig = (struct api_signature *)sp;
if (valid_sig(*sig))
return (1);
}
sp += API_SIG_MAGLEN;
}
*sig = NULL;
return (0);
}
/*
* Searches for the U-Boot API signature
*
* returns 1/0 depending on found/not found result
*/
int api_search_sig(struct api_signature **sig)
{
unsigned char *sp;
uint32_t search_start = 0;
uint32_t search_end = 0;
if (sig == NULL)
return 0;
if (search_hint == 0)
search_hint = 255 * 1024 * 1024;
search_start = search_hint & ~0x000fffff;
search_end = search_start + API_SEARCH_LEN - API_SIG_MAGLEN;
sp = (unsigned char *)search_start;
while ((sp + API_SIG_MAGLEN) < (unsigned char *)search_end) {
if (!memcmp(sp, API_SIG_MAGIC, API_SIG_MAGLEN)) {
*sig = (struct api_signature *)sp;
if (valid_sig(*sig))
return 1;
}
sp += API_SIG_MAGLEN;
}
*sig = NULL;
return 0;
}
