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Disable EC jump after RW image starts

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TEST=Built and booted Peppy. Ran flashrom from user space and
verified the EC firmware was updated after reboot.

CQ-DEPEND=CL:172651, CL:172652, CL:178324
BRANCH=none
BUG=chromium:325286
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Change-Id: Ia73da70dbf3abb5ced48666e86715c8d24a431a0
Reviewed-on: https://chromium-review.googlesource.com/172635
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Tested-by: Daisuke Nojiri <dnojiri@google.com>
Commit-Queue: Daisuke Nojiri <dnojiri@google.com>
This commit is contained in:
Daisuke Nojiri
2013-10-10 11:51:45 -07:00
committed by chrome-internal-fetch
parent a3d70a3d2b
commit 8912169231
4 changed files with 17 additions and 10 deletions
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7
firmware/include/vboot_api.h
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@@ -752,11 +752,10 @@ VbError_t VbExEcRunningRW(int *in_rw);
VbError_t VbExEcJumpToRW(void);
/**
* Tell the EC to stay in RO code until it reboots. Subsequent calls to
* VbExEcJumpToRW() this boot will fail. Fails if the EC is not currently in
* RO code.
* Tell the EC to refuse another jump until it reboots. Subsequent calls to
* VbExEcJumpToRW() in this boot will fail.
*/
VbError_t VbExEcStayInRO(void);
VbError_t VbExEcDisableJump(void);
/**
* Read the SHA-256 hash of the rewriteable EC image.