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MCC200: Fixes for update procedure

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- fix logic error in image type handling
- make sure file system images (cramfs etc.) get stored in flash
  with image header stripped so they can be mounted through MTD
This commit is contained in:
Sergei Poselenov 2007-02-27 20:15:30 +03:00 • committed by Wolfgang Denk
parent 743571145b
commit e344568b1b
1 changed files with 7 additions and 5 deletions
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12
board/mcc200/auto_update.c
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@ -162,7 +162,7 @@ int au_check_cksum_valid(int idx, long nbytes)
int au_check_header_valid(int idx, long nbytes) int au_check_header_valid(int idx, long nbytes)
{ {
image_header_t *hdr; image_header_t *hdr;
unsigned long checksum; unsigned long checksum, fsize;
hdr = (image_header_t *)LOAD_ADDR; hdr = (image_header_t *)LOAD_ADDR;
/* check the easy ones first */ /* check the easy ones first */
@ -205,7 +205,7 @@ int au_check_header_valid(int idx, long nbytes)
return -1; return -1;
} }
if ((idx == IDX_ROOTFS) && if ((idx == IDX_ROOTFS) &&
( (hdr->ih_type != IH_TYPE_RAMDISK) || (hdr->ih_type != IH_TYPE_FILESYSTEM) ) ( (hdr->ih_type != IH_TYPE_RAMDISK) && (hdr->ih_type != IH_TYPE_FILESYSTEM) )
) { ) {
printf ("Image %s wrong type\n", aufile[idx]); printf ("Image %s wrong type\n", aufile[idx]);
ausize[idx] = 0; ausize[idx] = 0;
@ -213,8 +213,10 @@ int au_check_header_valid(int idx, long nbytes)
} }
/* recycle checksum */ /* recycle checksum */
checksum = ntohl(hdr->ih_size); checksum = ntohl(hdr->ih_size);
/* for kernel and app the image header must also fit into flash */
if (idx != IDX_FIRMWARE) fsize = checksum + sizeof(*hdr);
/* for kernel and ramdisk the image header must also fit into flash */
if (idx == IDX_KERNEL || hdr->ih_type == IH_TYPE_RAMDISK)
checksum += sizeof(*hdr); checksum += sizeof(*hdr);
/* check the size does not exceed space in flash. HUSH scripts */ /* check the size does not exceed space in flash. HUSH scripts */
@ -224,7 +226,7 @@ int au_check_header_valid(int idx, long nbytes)
return -1; return -1;
} }
/* Update with the real filesize */ /* Update with the real filesize */
ausize[idx] = (idx == IDX_FIRMWARE ? checksum + sizeof(*hdr) : checksum); ausize[idx] = fsize;
return checksum; /* return size to be written to flash */ return checksum; /* return size to be written to flash */
} }