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Partial EC software sync implementation

Browse Source 
Doesn't check the EC hash, but does jump to the correct image, for now
assuming the hash is good.

BUG=chrome-os-partner:11087
TEST=manual

- Power+refresh.  System boots.  EC is in RO (verify via 'ectool version')
- Create a BIOS signed *without* RO-normal.
- Power+refresh.  System boots.  EC ends up in A.
- ectool eventgetb.  Event 0x2000 IS present, indicating EC has rebooted
- ectool eventclearb -1
- Power button to shut down, then power button to power back on.
- ectool eventgetb.  Event 0x2000 is NOT present.
- crossystem recovery_request=123 && reboot.  System reboots to recovery mode
  and EC is in read-only (verify via EC console 'sysinfo')
- Power off and on.  System boots.  EC ends up in A again.

Change-Id: I39682d1bf7215c62a4b20613d029e78194b98826
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27574
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
This commit is contained in:
Randall Spangler
2012-07-16 16:42:40 -07:00
committed by Gerrit
parent cc36ff4073
commit d4faa060cc
5 changed files with 118 additions and 1 deletions
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3
firmware/lib/vboot_api_init.c
View File

@@ -49,6 +49,7 @@ VbError_t VbInit(VbCommonParams* cparams, VbInitParams* iparams) {
shared->timer_vb_init_enter = VbExGetTimer();
/* Copy some boot switch flags */
/* TODO: in next refactor, just save in/out flags in VbSharedData */
shared->flags = 0;
if (iparams->flags & VB_INIT_FLAG_REC_BUTTON_PRESSED)
shared->flags |= VBSD_BOOT_REC_SWITCH_ON;
@@ -58,6 +59,8 @@ VbError_t VbInit(VbCommonParams* cparams, VbInitParams* iparams) {
shared->flags |= VBSD_BOOT_S3_RESUME;
if (iparams->flags & VB_INIT_FLAG_RO_NORMAL_SUPPORT)
shared->flags |= VBSD_BOOT_RO_NORMAL_SUPPORT;
if (iparams->flags & VB_INIT_FLAG_EC_SOFTWARE_SYNC)
shared->flags |= VBSD_EC_SOFTWARE_SYNC;
is_s3_resume = (iparams->flags & VB_INIT_FLAG_S3_RESUME ? 1 : 0);