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-rw-r--r--board/esd/common/auto_update.c73
1 files changed, 33 insertions, 40 deletions
diff --git a/board/esd/common/auto_update.c b/board/esd/common/auto_update.c
index a76b00f..cb8087b 100644
--- a/board/esd/common/auto_update.c
+++ b/board/esd/common/auto_update.c
@@ -89,24 +89,22 @@ extern block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
int au_check_cksum_valid(int i, long nbytes)
{
image_header_t *hdr;
- unsigned long checksum;
hdr = (image_header_t *)LOAD_ADDR;
- if ((au_image[i].type == AU_FIRMWARE) && (au_image[i].size != ntohl(hdr->ih_size))) {
+ if ((au_image[i].type == AU_FIRMWARE) &&
+ (au_image[i].size != image_get_data_size (hdr))) {
printf ("Image %s has wrong size\n", au_image[i].name);
return -1;
}
- if (nbytes != (sizeof(*hdr) + ntohl(hdr->ih_size))) {
+ if (nbytes != (image_get_image_size (hdr))) {
printf ("Image %s bad total SIZE\n", au_image[i].name);
return -1;
}
- /* check the data CRC */
- checksum = ntohl(hdr->ih_dcrc);
- if (crc32 (0, (uchar *)(LOAD_ADDR + sizeof(*hdr)), ntohl(hdr->ih_size))
- != checksum) {
+ /* check the data CRC */
+ if (!image_check_dcrc (hdr)) {
printf ("Image %s bad data checksum\n", au_image[i].name);
return -1;
}
@@ -123,48 +121,43 @@ int au_check_header_valid(int i, long nbytes)
/* check the easy ones first */
#undef CHECK_VALID_DEBUG
#ifdef CHECK_VALID_DEBUG
- printf("magic %#x %#x ", ntohl(hdr->ih_magic), IH_MAGIC);
- printf("arch %#x %#x ", hdr->ih_arch, IH_CPU_PPC);
- printf("size %#x %#lx ", ntohl(hdr->ih_size), nbytes);
- printf("type %#x %#x ", hdr->ih_type, IH_TYPE_KERNEL);
+ printf("magic %#x %#x ", image_get_magic (hdr), IH_MAGIC);
+ printf("arch %#x %#x ", image_get_arch (hdr), IH_ARCH_PPC);
+ printf("size %#x %#lx ", image_get_data_size (hdr), nbytes);
+ printf("type %#x %#x ", image_get_type (hdr), IH_TYPE_KERNEL);
#endif
- if (nbytes < sizeof(*hdr))
+ if (nbytes < image_get_header_size ())
{
printf ("Image %s bad header SIZE\n", au_image[i].name);
return -1;
}
- if (ntohl(hdr->ih_magic) != IH_MAGIC || hdr->ih_arch != IH_CPU_PPC)
+ if (!image_check_magic (hdr) || !image_check_arch (hdr, IH_ARCH_PPC))
{
printf ("Image %s bad MAGIC or ARCH\n", au_image[i].name);
return -1;
}
- /* check the hdr CRC */
- checksum = ntohl(hdr->ih_hcrc);
- hdr->ih_hcrc = 0;
-
- if (crc32 (0, (uchar *)hdr, sizeof(*hdr)) != checksum) {
+ if (!image_check_hcrc (hdr)) {
printf ("Image %s bad header checksum\n", au_image[i].name);
return -1;
}
- hdr->ih_hcrc = htonl(checksum);
/* check the type - could do this all in one gigantic if() */
- if ((au_image[i].type == AU_FIRMWARE) && (hdr->ih_type != IH_TYPE_FIRMWARE)) {
+ if ((au_image[i].type == AU_FIRMWARE) && !image_check_type (hdr, IH_TYPE_FIRMWARE)) {
printf ("Image %s wrong type\n", au_image[i].name);
return -1;
}
- if ((au_image[i].type == AU_SCRIPT) && (hdr->ih_type != IH_TYPE_SCRIPT)) {
+ if ((au_image[i].type == AU_SCRIPT) && !image_check_type (hdr, IH_TYPE_SCRIPT)) {
printf ("Image %s wrong type\n", au_image[i].name);
return -1;
}
/* recycle checksum */
- checksum = ntohl(hdr->ih_size);
+ checksum = image_get_data_size (hdr);
#if 0 /* test-only */
/* for kernel and app the image header must also fit into flash */
if (idx != IDX_DISK)
- checksum += sizeof(*hdr);
+ checksum += image_get_header_size ();
/* check the size does not exceed space in flash. HUSH scripts */
/* all have ausize[] set to 0 */
if ((ausize[idx] != 0) && (ausize[idx] < checksum)) {
@@ -196,11 +189,11 @@ int au_do_update(int i, long sz)
printf("Executing script %s\n", au_image[i].name);
/* execute a script */
- if (hdr->ih_type == IH_TYPE_SCRIPT) {
- addr = (char *)((char *)hdr + sizeof(*hdr));
+ if (image_check_type (hdr, IH_TYPE_SCRIPT)) {
+ addr = (char *)((char *)hdr + image_get_header_size ());
/* stick a NULL at the end of the script, otherwise */
/* parse_string_outer() runs off the end. */
- addr[ntohl(hdr->ih_size)] = 0;
+ addr[image_get_data_size (hdr)] = 0;
addr += 8;
/*
@@ -231,8 +224,8 @@ int au_do_update(int i, long sz)
*/
if (au_image[i].type == AU_FIRMWARE) {
char *orig = (char*)start;
- char *new = (char *)((char *)hdr + sizeof(*hdr));
- nbytes = ntohl(hdr->ih_size);
+ char *new = (char *)((char *)hdr + image_get_header_size ());
+ nbytes = image_get_data_size (hdr);
while(--nbytes) {
if (*orig++ != *new++) {
@@ -272,12 +265,12 @@ int au_do_update(int i, long sz)
/* strip the header - except for the kernel and ramdisk */
if (au_image[i].type != AU_FIRMWARE) {
addr = (char *)hdr;
- off = sizeof(*hdr);
- nbytes = sizeof(*hdr) + ntohl(hdr->ih_size);
+ off = image_get_header_size ();
+ nbytes = image_get_image_size (hdr);
} else {
- addr = (char *)((char *)hdr + sizeof(*hdr));
+ addr = (char *)((char *)hdr + image_get_header_size ());
off = 0;
- nbytes = ntohl(hdr->ih_size);
+ nbytes = image_get_data_size (hdr);
}
/*
@@ -305,15 +298,15 @@ int au_do_update(int i, long sz)
* check the dcrc of the copy
*/
if (au_image[i].type != AU_NAND) {
- rc = crc32 (0, (uchar *)(start + off), ntohl(hdr->ih_size));
+ rc = crc32 (0, (uchar *)(start + off), image_get_data_size (hdr));
} else {
#if defined(CONFIG_CMD_NAND) && defined(CFG_NAND_LEGACY)
rc = nand_legacy_rw(nand_dev_desc, NANDRW_READ | NANDRW_JFFS2 | NANDRW_JFFS2_SKIP,
start, nbytes, (size_t *)&total, (uchar *)addr);
- rc = crc32 (0, (uchar *)(addr + off), ntohl(hdr->ih_size));
+ rc = crc32 (0, (uchar *)(addr + off), image_get_data_size (hdr));
#endif
}
- if (rc != ntohl(hdr->ih_dcrc)) {
+ if (rc != image_get_dcrc (hdr)) {
printf ("Image %s Bad Data Checksum After COPY\n", au_image[i].name);
return -1;
}
@@ -497,10 +490,10 @@ int do_auto_update(void)
printf("Reading %s ...", au_image[i].name);
/* just read the header */
- sz = do_fat_read(au_image[i].name, LOAD_ADDR, sizeof(image_header_t), LS_NO);
+ sz = do_fat_read(au_image[i].name, LOAD_ADDR, image_get_header_size (), LS_NO);
debug ("read %s sz %ld hdr %d\n",
- au_image[i].name, sz, sizeof(image_header_t));
- if (sz <= 0 || sz < sizeof(image_header_t)) {
+ au_image[i].name, sz, image_get_header_size ());
+ if (sz <= 0 || sz < image_get_header_size ()) {
puts(" not found\n");
continue;
}
@@ -510,8 +503,8 @@ int do_auto_update(void)
}
sz = do_fat_read(au_image[i].name, LOAD_ADDR, MAX_LOADSZ, LS_NO);
debug ("read %s sz %ld hdr %d\n",
- au_image[i].name, sz, sizeof(image_header_t));
- if (sz <= 0 || sz <= sizeof(image_header_t)) {
+ au_image[i].name, sz, image_get_header_size ());
+ if (sz <= 0 || sz <= image_get_header_size ()) {
puts(" not found\n");
continue;
}
generated by cgit v1.1 at 2024-11-25 16:53:07 +0000