diff options
-rw-r--r-- | arch/arm26/boot/compressed/hw-bse.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/arch/arm26/boot/compressed/hw-bse.c b/arch/arm26/boot/compressed/hw-bse.c deleted file mode 100644 index 3e8f07f..0000000 --- a/arch/arm26/boot/compressed/hw-bse.c +++ /dev/null @@ -1,74 +0,0 @@ -/* - * Bright Star Engineering Inc. - * - * code for readng parameters from the - * parameter blocks of the boot block - * flash memory - * - */ - -static int strcmp(const char *s1, const char *s2) -{ - while (*s1 != '\0' && *s1 == *s2) - { - s1++; - s2++; - } - - return (*(unsigned char *) s1) - (*(unsigned char *) s2); -} - -struct pblk_t { - char type; - unsigned short size; -}; - -static char *bse_getflashparam(char *name) { - unsigned int esize; - char *q,*r; - unsigned char *p,*e; - struct pblk_t *thepb = (struct pblk_t *) 0x00004000; - struct pblk_t *altpb = (struct pblk_t *) 0x00006000; - if (thepb->type&1) { - if (altpb->type&1) { - /* no valid param block */ - return (char*)0; - } else { - /* altpb is valid */ - struct pblk_t *tmp; - tmp = thepb; - thepb = altpb; - altpb = tmp; - } - } - p = (char*)thepb + sizeof(struct pblk_t); - e = p + thepb->size; - while (p < e) { - q = p; - esize = *p; - if (esize == 0xFF) break; - if (esize == 0) break; - if (esize > 127) { - esize = (esize&0x7F)<<8 | p[1]; - q++; - } - q++; - r=q; - if (*r && ((name == 0) || (!strcmp(name,r)))) { - while (*q++) ; - return q; - } - p+=esize; - } - return (char*)0; -} - -void bse_setup(void) { - /* extract the linux cmdline from flash */ - char *name=bse_getflashparam("linuxboot"); - char *x = (char *)0xc0000100; - if (name) { - while (*name) *x++=*name++; - } - *x=0; -} |