chromeos: Check for recovery reason code in shared data

When using RW firmware path the proper recovery reason can
be retrieved from the shared data region.  This will result
in the actual reason being logged instead of the default
"recovery button pressed" reason.

BUG=chrome-os-partner:20788
BRANCH=falco
TEST=manual:

1) build and boot on falco
2) crossystem recovery_request=193
3) reboot into recovery mode, check reason with <TAB>
4) reboot back into chromeos
5) check event log entry for previous recovery mode:

25 | 2013-07-15 10:34:23 | Chrome OS Recovery Mode | Test from User Mode

Change-Id: I6f9dfed501f06881e9cf4392724ad28b97521305
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/61906
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Duncan Laurie 2013-07-15 10:38:12 -07:00 committed by ChromeBot
commit 6577d1932a

View file

@ -29,6 +29,7 @@
#include "gnvs.h"
#if CONFIG_VBOOT_VERIFY_FIRMWARE
#include "vboot_handoff.h"
#include <vboot_struct.h>
#endif
chromeos_acpi_t *vboot_data = NULL;
@ -60,6 +61,13 @@ void chromeos_init_vboot(chromeos_acpi_t *chromeos)
elog_add_event(ELOG_TYPE_CROS_DEVELOPER_MODE);
if (recovery_mode_enabled()) {
int reason = get_recovery_mode_from_vbnv();
#if CONFIG_VBOOT_VERIFY_FIRMWARE
if (vboot_handoff && !reason) {
VbSharedDataHeader *sd = (VbSharedDataHeader *)
vboot_handoff->shared_data;
reason = sd->recovery_reason;
}
#endif
elog_add_event_byte(ELOG_TYPE_CROS_RECOVERY_MODE,
reason ? reason : ELOG_CROS_RECOVERY_MODE_BUTTON);
}