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author | Mary Ruthven <mruthven@google.com> | 2015-10-06 10:42:31 -0700 |
---|---|---|
committer | chrome-bot <chrome-bot@chromium.org> | 2015-10-13 14:02:26 -0700 |
commit | 12a55f255aaea2f12362e4f832a0bd48eb29f5dd (patch) | |
tree | f235ebf2cd846c852371a96cf76e3282ff0c26be /utility/crossystem.c | |
parent | 73a6372d22f74d0396253f6e5080442edec55d7f (diff) | |
download | vboot-12a55f255aaea2f12362e4f832a0bd48eb29f5dd.tar.gz |
Add NV flag to default boot legacy OS
In developer mode, this option will make the system try to boot into
a legacy OS first after the 30 second timeout. This removes the need to
press a key during boot to try legacy mode and the need to remove the
write protect screw to boot legacy as default.
BUG=chromium:310697
BRANCH=none
TEST=make runtests
Change-Id: I9a9f64c14ad015e21d08eec36e8fc187189cd2f2
Signed-off-by: Mary Ruthven <mruthven@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/304077
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Diffstat (limited to 'utility/crossystem.c')
-rw-r--r-- | utility/crossystem.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/utility/crossystem.c b/utility/crossystem.c index 2c017aff..a1ef6e06 100644 --- a/utility/crossystem.c +++ b/utility/crossystem.c @@ -46,6 +46,8 @@ const Param sys_param_list[] = { "Enable developer mode boot Legacy OSes (writable)"}, {"dev_boot_signed_only", CAN_WRITE, "Enable developer mode boot only from official kernels (writable)"}, + {"dev_default_boot", IS_STRING|CAN_WRITE, + "default boot from legacy or usb (writable)"}, {"devsw_boot", 0, "Developer switch position at boot"}, {"devsw_cur", 0, "Developer switch current position"}, {"disable_dev_request", CAN_WRITE, "Disable virtual dev-mode on next boot"}, |