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authorDenis 'GNUtoo' Carikli <GNUtoo@no-log.org>2016-02-20 18:49:13 +0100
committerStefan Reinauer <stefan.reinauer@coreboot.org>2016-02-26 07:02:01 +0100
commit9c44b256458e8d203200f06dbf4a471afaabdf0c (patch)
tree2f91d8b25fb85da612ae6410f9071d0d82efbeac /util
parent0e92bb010f8bd45b2543f2553a4d3c2f35dffc09 (diff)
downloadcoreboot-9c44b256458e8d203200f06dbf4a471afaabdf0c.tar.xz
nvramtool: Print computed and stored checksum in case of mismatch.
This is to make it easier to fix checksum issues. Example: # nvramtool -a [...] nvramtool: Warning: Coreboot CMOS checksum is bad. Computed checksum: 0xfa. Stored checksum: 0x0 # nvramtool -c 0xfa Change-Id: Ifacb68b5693afbdfcb521acd6937e270ead85186 Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@no-log.org> Reviewed-on: https://review.coreboot.org/13770 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'util')
-rw-r--r--util/nvramtool/cmos_ops.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/util/nvramtool/cmos_ops.c b/util/nvramtool/cmos_ops.c
index 8873633cb5..6f616a0335 100644
--- a/util/nvramtool/cmos_ops.c
+++ b/util/nvramtool/cmos_ops.c
@@ -229,6 +229,8 @@ void cmos_checksum_verify(void)
if (computed != actual) {
fprintf(stderr, "%s: Warning: Coreboot CMOS checksum is bad.\n",
prog_name);
+ fprintf(stderr, "Computed checksum: 0x%x. Stored checksum: 0x%x\n",
+ computed, actual);
exit(1);
}
}