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cleanup: Poke the watchdog when dumping lots of memory

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If you use the "md" command to display lots of memory, it can
cause the watchdog to trip. This just pokes it every now and then
to be sure it's happy.

BUG=none
BRANCH=none
TEST=manual

Print a lot, see that it doesn't timeout:

  md 0 0x4000

Change-Id: Ic4e2746c07f4fbdf922e87ea3efbe90b88ae08c9
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/251011
Reviewed-by: Randall Spangler <rspangler@chromium.org>
This commit is contained in:
Bill Richardson
2015-02-11 16:29:50 -08:00
committed by ChromeOS Commit Bot
parent 91268fb85e
commit 86340a75d2
1 changed files with 9 additions and 0 deletions
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9
common/memory_commands.c
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@@ -6,7 +6,9 @@
/* System module for Chrome EC */
#include "console.h"
#include "timer.h"
#include "util.h"
#include "watchdog.h"
static int command_mem_dump(int argc, char **argv)
{
@@ -31,6 +33,13 @@ static int command_mem_dump(int argc, char **argv)
else
ccprintf(" %08x", value);
cflush();
/* Lots of output could take a while.
* Let other things happen, too */
if (!(i % 0x100)) {
watchdog_reload();
usleep(10 * MSEC);
}
}
ccprintf("\n");
cflush();