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cmd: mvebu/bubt: Check also A8K boot image checksum

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Signed-off-by: Pali Rohár <pali@kernel.org>
This commit is contained in:
Pali Rohár 2023-01-29 18:49:04 +01:00 committed by Stefan Roese
parent 7d9c083844
commit f5860c567b
1 changed files with 11 additions and 3 deletions
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14
cmd/mvebu/bubt.c
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@ -725,9 +725,8 @@ static int check_image_header(void)
{ {
struct mvebu_image_header *hdr = struct mvebu_image_header *hdr =
(struct mvebu_image_header *)get_load_addr(); (struct mvebu_image_header *)get_load_addr();
u32 header_len = hdr->prolog_size;
u32 checksum; u32 checksum;
u32 checksum_ref = hdr->prolog_checksum; u32 checksum_ref;
/* /*
* For now compare checksum, and magic. Later we can * For now compare checksum, and magic. Later we can
@ -739,8 +738,17 @@ static int check_image_header(void)
return -ENOEXEC; return -ENOEXEC;
} }
checksum = do_checksum32((u32 *)hdr, header_len); checksum_ref = hdr->prolog_checksum;
checksum = do_checksum32((u32 *)hdr, hdr->prolog_size);
checksum -= hdr->prolog_checksum; checksum -= hdr->prolog_checksum;
if (checksum != checksum_ref) {
printf("Error: Bad Prolog checksum. 0x%x != 0x%x\n",
checksum, checksum_ref);
return -ENOEXEC;
}
checksum_ref = hdr->boot_image_checksum;
checksum = do_checksum32((u32 *)((u8 *)hdr + hdr->prolog_size), hdr->boot_image_size);
if (checksum != checksum_ref) { if (checksum != checksum_ref) {
printf("Error: Bad Image checksum. 0x%x != 0x%x\n", printf("Error: Bad Image checksum. 0x%x != 0x%x\n",
checksum, checksum_ref); checksum, checksum_ref);