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Disable dev mode on recovery, when configured.

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If so desired by the firmware, disable developer mode each time the
recovery mode is entered.

BRANCH=storm
BUG=chrome-os-partner:36059
TEST=with the rest of the patches applied observed desired behavior on
     an SP5 (developer mode state wiped out on entering recovery)

Change-Id: If08dc517363bcc36fcc8b0b875a8700bbcefde4c
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/261630
Reviewed-by: Randall Spangler <rspangler@chromium.org>
This commit is contained in:
Vadim Bendebury
2015-03-20 16:19:57 -07:00
committed by ChromeOS Commit Bot
parent f80ceeb432
commit 39392528f4
2 changed files with 11 additions and 0 deletions
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8
firmware/2lib/2misc.c
View File

@@ -224,6 +224,14 @@ int vb2_check_dev_switch(struct vb2_context *ctx)
vb2_nv_set(ctx, VB2_NV_DISABLE_DEV_REQUEST, 0);
}
if (ctx->flags & VB2_DISABLE_DEVELOPER_MODE) {
/*
* Hardware switch and GBB flag will take precedence over
* this.
*/
flags &= ~VB2_SECDATA_FLAG_DEV_MODE;
}
/* Check virtual dev switch */
if (flags & VB2_SECDATA_FLAG_DEV_MODE)
is_dev = 1;

3
firmware/2lib/include/2api.h
View File

@@ -90,6 +90,9 @@ enum vb2_context_flags {
/* Wipeout by the app should be requested. */
VB2_CONTEXT_FORCE_WIPEOUT_MODE = (1 << 8),
/* Erase TPM developer mode state if it is enabled. */
VB2_DISABLE_DEVELOPER_MODE = (1 << 9),
};
/*