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authorGabe Black <gabeblack@google.com>2013-08-09 00:40:06 -0700
committerPatrick Georgi <patrick@georgi-clan.de>2014-07-30 11:49:45 +0200
commit06b13a37f0f4b3545b899e3488762b3ed9c20812 (patch)
tree188fba84c5f5aebfc552abe6d7332f989147ceba /util
parent0dd5e4395e805e3d54b31f3eaf8b432af5bad5e2 (diff)
downloadcoreboot-06b13a37f0f4b3545b899e3488762b3ed9c20812.tar.xz
cbmem: Terminate the cbmem console at the cursor position.
If the cbmem console buffer isn't zero filled before it's used, there won't be a terminator at the end. We need to put one at the cursor position manually. Change-Id: I69870c2b24b67ce3cbcd402b62f3574acb4c2a8f Signed-off-by: Gabe Black <gabeblack@google.com> Reviewed-on: https://gerrit.chromium.org/gerrit/65300 Reviewed-by: Hung-Te Lin <hungte@chromium.org> Commit-Queue: Gabe Black <gabeblack@chromium.org> Tested-by: Gabe Black <gabeblack@chromium.org> (cherry picked from commit 8ec61e52a6a27ed518d0abb5a19d6261edf9dab1) Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com> Reviewed-on: http://review.coreboot.org/6404 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Diffstat (limited to 'util')
-rw-r--r--util/cbmem/cbmem.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/util/cbmem/cbmem.c b/util/cbmem/cbmem.c
index fabede32c4..4dcfe91ad1 100644
--- a/util/cbmem/cbmem.c
+++ b/util/cbmem/cbmem.c
@@ -472,8 +472,8 @@ static void dump_console(void)
* char console[size]
* Hence we have to add 8 to get to the actual console string.
*/
- size = *(uint32_t *)console_p;
- cursor = *(uint32_t *) (console_p + 4);
+ size = ((uint32_t *)console_p)[0];
+ cursor = ((uint32_t *)console_p)[1];
/* Cursor continues to go on even after no more data fits in
* the buffer but the data is dropped in this case.
*/
@@ -489,6 +489,7 @@ static void dump_console(void)
size + sizeof(size) + sizeof(cursor));
memcpy(console_c, console_p + 8, size);
console_c[size] = 0;
+ console_c[cursor] = 0;
printf("%s\n", console_c);
if (size < cursor)