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authorSheng-Liang Song <ssl@chromium.org>2014-04-30 15:46:45 -0700
committerMarc Jones <marc.jones@se-eng.com>2014-12-30 23:30:52 +0100
commit1d6560fc60d66d36c0a7cf5c51a25f7b185499a7 (patch)
treed2d44426c2d11c1b57436ccd9485ad7c442f5a9b /src/vendorcode/google/chromeos
parentafde961adfcba92b30b422b8eb681d91c257de34 (diff)
downloadcoreboot-1d6560fc60d66d36c0a7cf5c51a25f7b185499a7.tar.xz
chromeos: Unconditionally clear the EC recovery request
Add the empty weak function clear_recovery_mode_switch(). Problem: If GBB_FLAG_DISABLE_EC_SOFTWARE_SYNC is set, the following will happen: 1. Boot device in recovery mode with Esc + F3 + Pwr. 2. Turn device off with Pwr button. 3. Turn device on with Pwr button. Device still boots to recovery screen with recovery_reason:0x02 recovery button pressed. If GBB_FLAG_DISABLE_EC_SOFTWARE_SYNC isn't set, turning the device off and on again with the Pwr button does a normal boot. Solution: Unconditionally clear the recovery flag. BUG=chromium:279607 BRANCH=TOT TEST=Compile OK. Original-Change-Id: Ie1e3251a6db12e75e385220e9d3791078393b1bf Original-Signed-off-by: Sheng-Liang Song <ssl@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/197780 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Reviewed-by: Randall Spangler <rspangler@chromium.org> Original-Commit-Queue: Sheng-liang Song <ssl@google.com> Original-Tested-by: Sheng-liang Song <ssl@google.com> (cherry picked from commit 18908bb64cef34ca41812814817ef887961bed34) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: I71ca9f3ea8d816c865375ec66a0603ca211f23ae Reviewed-on: http://review.coreboot.org/7895 Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/vendorcode/google/chromeos')
-rw-r--r--src/vendorcode/google/chromeos/vboot_handoff.c6
-rw-r--r--src/vendorcode/google/chromeos/vboot_loader.c4
2 files changed, 9 insertions, 1 deletions
diff --git a/src/vendorcode/google/chromeos/vboot_handoff.c b/src/vendorcode/google/chromeos/vboot_handoff.c
index 1a66f56828..7ef2c7ee5a 100644
--- a/src/vendorcode/google/chromeos/vboot_handoff.c
+++ b/src/vendorcode/google/chromeos/vboot_handoff.c
@@ -54,6 +54,12 @@ int vboot_enable_recovery(void)
return !!(vbho->init_params.out_flags & VB_INIT_OUT_ENABLE_RECOVERY);
}
+int __attribute__((weak)) clear_recovery_mode_switch(void)
+{
+ // Can be implemented by a mainboard
+ return 0;
+}
+
int vboot_skip_display_init(void)
{
struct vboot_handoff *vbho;
diff --git a/src/vendorcode/google/chromeos/vboot_loader.c b/src/vendorcode/google/chromeos/vboot_loader.c
index 240b6b6fc5..80e2aea1bb 100644
--- a/src/vendorcode/google/chromeos/vboot_loader.c
+++ b/src/vendorcode/google/chromeos/vboot_loader.c
@@ -245,8 +245,10 @@ static void vboot_invoke_wrapper(struct vboot_handoff *vboot_handoff)
iflags = &vboot_handoff->init_params.flags;
if (get_developer_mode_switch())
*iflags |= VB_INIT_FLAG_DEV_SWITCH_ON;
- if (get_recovery_mode_switch())
+ if (get_recovery_mode_switch()) {
+ clear_recovery_mode_switch();
*iflags |= VB_INIT_FLAG_REC_BUTTON_PRESSED;
+ }
if (get_write_protect_state())
*iflags |= VB_INIT_FLAG_WP_ENABLED;
if (vboot_get_sw_write_protect())