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-rw-r--r--board/trab/auto_update.c82
1 files changed, 38 insertions, 44 deletions
diff --git a/board/trab/auto_update.c b/board/trab/auto_update.c
index 54d3645..bd9ee0c 100644
--- a/board/trab/auto_update.c
+++ b/board/trab/auto_update.c
@@ -209,20 +209,16 @@ int
au_check_cksum_valid(int idx, long nbytes)
{
image_header_t *hdr;
- unsigned long checksum;
hdr = (image_header_t *)LOAD_ADDR;
- if (nbytes != (sizeof(*hdr) + ntohl(hdr->ih_size)))
+ if (nbytes != image_get_image_size (hdr))
{
printf ("Image %s bad total SIZE\n", aufile[idx]);
return -1;
}
/* check the data CRC */
- checksum = ntohl(hdr->ih_dcrc);
-
- if (crc32 (0, (uchar *)(LOAD_ADDR + sizeof(*hdr)), ntohl(hdr->ih_size))
- != checksum)
+ if (!image_check_dcrc (hdr)) {
{
printf ("Image %s bad data checksum\n", aufile[idx]);
return -1;
@@ -241,50 +237,46 @@ au_check_header_valid(int idx, 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_ARM);
- 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_ARM);
+ 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", aufile[idx]);
return -1;
}
- if (ntohl(hdr->ih_magic) != IH_MAGIC || hdr->ih_arch != IH_CPU_ARM)
+ if (!image_check_magic (hdr) || !image_check_arch (hdr, IH_ARCH_ARM))
{
printf ("Image %s bad MAGIC or ARCH\n", aufile[idx]);
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", aufile[idx]);
return -1;
}
- hdr->ih_hcrc = htonl(checksum);
/* check the type - could do this all in one gigantic if() */
- if ((idx == IDX_FIRMWARE) && (hdr->ih_type != IH_TYPE_FIRMWARE)) {
+ if ((idx == IDX_FIRMWARE) && !image_check_type (hdr, IH_TYPE_FIRMWARE)) {
printf ("Image %s wrong type\n", aufile[idx]);
return -1;
}
- if ((idx == IDX_KERNEL) && (hdr->ih_type != IH_TYPE_KERNEL)) {
+ if ((idx == IDX_KERNEL) && !image_check_type (hdr, IH_TYPE_KERNEL)) {
printf ("Image %s wrong type\n", aufile[idx]);
return -1;
}
- if ((idx == IDX_DISK) && (hdr->ih_type != IH_TYPE_FILESYSTEM)) {
+ if ((idx == IDX_DISK) && !image_check_type (hdr, IH_TYPE_FILESYSTEM)) {
printf ("Image %s wrong type\n", aufile[idx]);
return -1;
}
- if ((idx == IDX_APP) && (hdr->ih_type != IH_TYPE_RAMDISK)
- && (hdr->ih_type != IH_TYPE_FILESYSTEM)) {
+ if ((idx == IDX_APP) && !image_check_type (hdr, IH_TYPE_RAMDISK)
+ && !image_check_type (hdr, FILESYSTEM)) {
printf ("Image %s wrong type\n", aufile[idx]);
return -1;
}
if ((idx == IDX_PREPARE || idx == IDX_PREINST || idx == IDX_POSTINST)
- && (hdr->ih_type != IH_TYPE_SCRIPT))
+ && !image_check_type (hdr, IH_TYPE_SCRIPT))
{
printf ("Image %s wrong type\n", aufile[idx]);
return -1;
@@ -293,10 +285,10 @@ au_check_header_valid(int idx, long nbytes)
if (idx == IDX_PREPARE)
return 0;
/* recycle checksum */
- checksum = ntohl(hdr->ih_size);
+ checksum = image_get_data_size (hdr);
/* for kernel and app the image header must also fit into flash */
if ((idx != IDX_DISK) && (idx != IDX_FIRMWARE))
- 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)) {
@@ -310,10 +302,10 @@ au_check_header_valid(int idx, long nbytes)
printf ("buf[0] %#x buf[1] %#x buf[2] %#x buf[3] %#x "
"as int %#x time %#x\n",
buf[0], buf[1], buf[2], buf[3],
- *((unsigned int *)buf), ntohl(hdr->ih_time));
+ *((unsigned int *)buf), image_get_time (hdr));
#endif
/* check it */
- if (*((unsigned int *)buf) >= ntohl(hdr->ih_time)) {
+ if (*((unsigned int *)buf) >= image_get_time (hdr)) {
printf ("Image %s is too old\n", aufile[idx]);
return -1;
}
@@ -340,11 +332,11 @@ au_do_update(int idx, long sz)
*CPLD_VFD_BK |= POWER_OFF;
/* 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;
parse_string_outer(addr, FLAG_PARSE_SEMICOLON);
return 0;
@@ -372,19 +364,20 @@ au_do_update(int idx, long sz)
flash_sect_erase(start, end);
wait_ms(100);
/* strip the header - except for the kernel and ramdisk */
- if (hdr->ih_type == IH_TYPE_KERNEL || hdr->ih_type == IH_TYPE_RAMDISK) {
+ if (image_check_type (hdr, IH_TYPE_KERNEL) ||
+ image_check_type (hdr, IH_TYPE_RAMDISK)) {
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 ());
#ifdef AU_UPDATE_TEST
/* copy it to where Linux goes */
if (idx == IDX_FIRMWARE)
start = aufl_layout[1].start;
#endif
off = 0;
- nbytes = ntohl(hdr->ih_size);
+ nbytes = image_get_data_size (hdr);
}
/* copy the data from RAM to FLASH */
@@ -396,7 +389,8 @@ au_do_update(int idx, long sz)
}
/* check the dcrc of the copy */
- if (crc32 (0, (uchar *)(start + off), ntohl(hdr->ih_size)) != ntohl(hdr->ih_dcrc)) {
+ if (crc32 (0, (uchar *)(start + off), image_get_data_size (hdr)) !=
+ image_get_dcrc (hdr)) {
printf ("Image %s Bad Data Checksum After COPY\n", aufile[idx]);
return -1;
}
@@ -425,15 +419,15 @@ au_update_eeprom(int idx)
hdr = (image_header_t *)LOAD_ADDR;
/* write the time field into EEPROM */
off = auee_off[idx].time;
- val = ntohl(hdr->ih_time);
+ val = image_get_time (hdr);
i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
/* write the size field into EEPROM */
off = auee_off[idx].size;
- val = ntohl(hdr->ih_size);
+ val = image_get_data_size (hdr);
i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
/* write the dcrc field into EEPROM */
off = auee_off[idx].dcrc;
- val = ntohl(hdr->ih_dcrc);
+ val = image_get_dcrc (hdr);
i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
/* enable the power switch */
*CPLD_VFD_BK &= ~POWER_OFF;
@@ -577,10 +571,10 @@ do_auto_update(void)
/* just loop thru all the possible files */
for (i = 0; i < AU_MAXFILES; i++) {
/* just read the header */
- sz = file_fat_read(aufile[i], LOAD_ADDR, sizeof(image_header_t));
+ sz = file_fat_read(aufile[i], LOAD_ADDR, image_get_header_size ());
debug ("read %s sz %ld hdr %d\n",
- aufile[i], sz, sizeof(image_header_t));
- if (sz <= 0 || sz < sizeof(image_header_t)) {
+ aufile[i], sz, image_get_header_size ());
+ if (sz <= 0 || sz < image_get_header_size ()) {
debug ("%s not found\n", aufile[i]);
continue;
}
@@ -590,8 +584,8 @@ do_auto_update(void)
}
sz = file_fat_read(aufile[i], LOAD_ADDR, MAX_LOADSZ);
debug ("read %s sz %ld hdr %d\n",
- aufile[i], sz, sizeof(image_header_t));
- if (sz <= 0 || sz <= sizeof(image_header_t)) {
+ aufile[i], sz, image_get_header_size ());
+ if (sz <= 0 || sz <= image_get_header_size ()) {
debug ("%s not found\n", aufile[i]);
continue;
}
generated by cgit v1.1 at 2024-11-28 11:15:04 +0000