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elog: Add ELOG_TYPE_BOOT event using fake boot count if necessary 

This makes it so that we always log the generic "system boot" event.
If boot count support has not been implemented, fake it.

BUG=chrome-os-partner:28772
BRANCH=nyan
TEST=booted on Big, ran "mosys eventlog list" and saw
"System boot" event logged with boot count == 0

Original-Change-Id: I729e28feb94546acf6173e7b67990f5b29d02fc7
Original-Signed-off-by: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/204525
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
(cherry picked from commit 2598dc63ddc0d76bcdf9814cadd4c75653fd9832)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>

Change-Id: Ieb4e2e36870e97d9c5f88f0190291863a65a6351
Reviewed-on: http://review.coreboot.org/8142
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
David Hendricks 2014-06-18 13:03:03 -07:00 committed by Marc Jones
parent c25318938f
commit 6a29e6c6b6
1 changed files with 3 additions and 0 deletions
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3
src/drivers/elog/elog.c
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@ -622,6 +622,9 @@ int elog_init(void)
if (!acpi_is_wakeup_s3()) if (!acpi_is_wakeup_s3())
#endif #endif
elog_add_event_dword(ELOG_TYPE_BOOT, boot_count_read()); elog_add_event_dword(ELOG_TYPE_BOOT, boot_count_read());
#else
/* If boot count is not implemented, fake it. */
elog_add_event_dword(ELOG_TYPE_BOOT, 0);
#endif #endif
#if CONFIG_ARCH_X86 #if CONFIG_ARCH_X86