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crossystem: x86: Write VbNv with mosys if using vboot2

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If this is an x86 system using vboot2 then write VbNv data
to CMOS and also use mosys to write it directly to flash.

BUG=chrome-os-partner:51846
BRANCH=none
TEST=emerge-chell vboot_reference; emerge-oak vboot_reference
verify on chell that "crossystem dev_disable_request=1" is
written to both CMOS and flash.

Change-Id: Ifd5dcee4d401f8de36801c5c0a7db3255e618e28
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/336311
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Duncan Laurie
2016-03-30 09:38:54 -07:00
committed by chrome-bot
parent e98431f52b
commit eb0c8cc39b
1 changed files with 6 additions and 0 deletions
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6
host/arch/x86/lib/crossystem_arch.c
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@@ -18,6 +18,7 @@
#include "crossystem.h"
#include "crossystem_arch.h"
#include "crossystem_vbnv.h"
#include "host_common.h"
#include "utility.h"
#include "vboot_common.h"
@@ -171,6 +172,7 @@ int VbReadNvStorage(VbNvContext* vnc) {
int VbWriteNvStorage(VbNvContext* vnc) {
unsigned offs, blksz;
VbSharedDataHeader *sh = VbSharedDataRead();
if (!vnc->raw_changed)
return 0; /* Nothing changed, so no need to write */
@@ -186,6 +188,10 @@ int VbWriteNvStorage(VbNvContext* vnc) {
if (0 != VbCmosWrite(offs, VBNV_BLOCK_SIZE, vnc->raw))
return -1;
/* Also attempt to write using mosys if using vboot2 */
if (sh && (sh->flags & VBSD_BOOT_FIRMWARE_VBOOT2))
VbWriteNvStorage_mosys(vnc);
return 0;
}