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EC: Prepare to read and log last post code from previous boot 

(elog portion, support in EC code pending)

- Use a new EC command to read the last post code
from the previous boot
- If the post code is not well-known final boot
or resume code then log it

Change-Id: Id6249e9a182243eb87c777edd56f48de72125e77
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/1703
Reviewed-by: Marc Jones <marcj303@gmail.com>
Tested-by: build bot (Jenkins)
This commit is contained in:
Duncan Laurie 2012-08-13 09:40:02 -07:00 committed by Stefan Reinauer
parent 357bb2daf0
commit 4dceba25af
1 changed files with 3 additions and 0 deletions
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src/include/elog.h
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@ -109,6 +109,9 @@ struct elog_event_data_wake {
/* Management Engine Events */ /* Management Engine Events */
#define ELOG_TYPE_MANAGEMENT_ENGINE 0xa2 #define ELOG_TYPE_MANAGEMENT_ENGINE 0xa2
/* Last post code from previous boot */
#define ELOG_TYPE_LAST_POST_CODE 0xa3
extern int elog_init(void); extern int elog_init(void);
extern int elog_clear(void); extern int elog_clear(void);
extern void elog_add_event_raw(u8 event_type, void *data, u8 data_size); extern void elog_add_event_raw(u8 event_type, void *data, u8 data_size);