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authorVadim Bendebury <vbendeb@chromium.org>2015-03-20 16:11:13 -0700
committerPatrick Georgi <pgeorgi@google.com>2015-04-22 08:44:52 +0200
commit30773d23bbf3e032bd25f993b6541ffe20e5c0bf (patch)
tree0755cc3cbab61be4967a98a251370ecb2d6b4e41 /src/vendorcode
parentff3af5f6a04a973563bb8d8b7264065cb9a65ebb (diff)
downloadcoreboot-30773d23bbf3e032bd25f993b6541ffe20e5c0bf.tar.xz
vboot2: provide config option to clear dev mode state on recovery
On embedded devices with limited input capabilities it is necessary to clear the developer mode condition when entering recovery. The new configuration option will enable such behavior using the new vboot2 flag. CQ-DEPEND=CL:261630 BRANCH=storm BUG=chrome-os-partner:36059 TEST=with the rest of the patches applies observed desired behavior on SP5 Change-Id: I99c3d1330bea9980a2af3b9fd99e29ab96f2cf07 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 4c0a6315d6b4ede8d43e736ee6c82f1023f4716d Original-Change-Id: I8e4a521e574b53a670daf692f7b45dc21635f272 Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/261620 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/9878 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/vendorcode')
-rw-r--r--src/vendorcode/google/chromeos/vboot2/Kconfig9
-rw-r--r--src/vendorcode/google/chromeos/vboot2/verstage.c2
2 files changed, 11 insertions, 0 deletions
diff --git a/src/vendorcode/google/chromeos/vboot2/Kconfig b/src/vendorcode/google/chromeos/vboot2/Kconfig
index 20d2f1fc85..7ea53fda29 100644
--- a/src/vendorcode/google/chromeos/vboot2/Kconfig
+++ b/src/vendorcode/google/chromeos/vboot2/Kconfig
@@ -41,3 +41,12 @@ config VBOOT_ROMSTAGE_INDEX
help
This is the index of the romstage component in the verified
firmware block.
+
+config VBOOT_DISABLE_DEV_ON_RECOVERY
+ bool "Disable dev mode on recovery requests"
+ default n
+ depends on VBOOT2_VERIFY_FIRMWARE
+ help
+ When this option is enabled, the Chrome OS device leaves the
+ developer mode as soon as recovery request is detected. This is
+ handy on embedded devices with limited input capabilities.
diff --git a/src/vendorcode/google/chromeos/vboot2/verstage.c b/src/vendorcode/google/chromeos/vboot2/verstage.c
index ee574751a0..c62c102c45 100644
--- a/src/vendorcode/google/chromeos/vboot2/verstage.c
+++ b/src/vendorcode/google/chromeos/vboot2/verstage.c
@@ -247,6 +247,8 @@ void verstage_main(void)
if (get_recovery_mode_switch()) {
clear_recovery_mode_switch();
ctx.flags |= VB2_CONTEXT_FORCE_RECOVERY_MODE;
+ if (IS_ENABLED(CONFIG_VBOOT_DISABLE_DEV_ON_RECOVERY))
+ ctx.flags |= VB2_DISABLE_DEVELOPER_MODE;
}
if (IS_ENABLED(CONFIG_WIPEOUT_SUPPORTED) && get_wipeout_mode_switch())