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-rw-r--r--src/vendorcode/google/chromeos/vboot2/vboot_logic.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/vendorcode/google/chromeos/vboot2/vboot_logic.c b/src/vendorcode/google/chromeos/vboot2/vboot_logic.c
index a4829c097e..d43fb276d0 100644
--- a/src/vendorcode/google/chromeos/vboot2/vboot_logic.c
+++ b/src/vendorcode/google/chromeos/vboot2/vboot_logic.c
@@ -311,6 +311,15 @@ void verstage_main(void)
antirollback_read_space_firmware(&ctx);
timestamp_add_now(TS_END_TPMINIT);
+ /* Set S3 resume flag if vboot should behave differently when selecting
+ * which slot to boot. This is only relevant to vboot if the platform
+ * does verification of memory init and thus must ensure it resumes with
+ * the same slot that it booted from. */
+ if (IS_ENABLED(CONFIG_RESUME_PATH_SAME_AS_BOOT) &&
+ IS_ENABLED(CONFIG_VBOOT_STARTS_IN_BOOTBLOCK) &&
+ vboot_platform_is_resuming())
+ ctx.flags |= VB2_CONTEXT_S3_RESUME;
+
if (!IS_ENABLED(CONFIG_VIRTUAL_DEV_SWITCH) &&
get_developer_mode_switch())
ctx.flags |= VB2_CONTEXT_FORCE_DEVELOPER_MODE;