diff options
Diffstat (limited to 'src/security/vboot/vboot_logic.c')
| -rw-r--r-- | src/security/vboot/vboot_logic.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/security/vboot/vboot_logic.c b/src/security/vboot/vboot_logic.c index 7b98be28e4..62e033a0de 100644 --- a/src/security/vboot/vboot_logic.c +++ b/src/security/vboot/vboot_logic.c @@ -16,6 +16,7 @@ #include <arch/exception.h> #include <assert.h> #include <bootmode.h> +#include <cbmem.h> #include <console/console.h> #include <console/vtxprintf.h> #include <string.h> @@ -281,6 +282,26 @@ static uint32_t extend_pcrs(struct vb2_context *ctx) vboot_extend_pcr(ctx, 1, HWID_DIGEST_PCR); } +static void vboot_log_and_clear_recovery_mode_switch(int unused) +{ + /* Log the recovery mode switches if required, before clearing them. */ + log_recovery_mode_switch(); + + /* + * The recovery mode switch is cleared (typically backed by EC) here + * to allow multiple queries to get_recovery_mode_switch() and have + * them return consistent results during the verified boot path as well + * as dram initialization. x86 systems ignore the saved dram settings + * in the recovery path in order to start from a clean slate. Therefore + * clear the state here since this function is called when memory + * is known to be up. + */ + clear_recovery_mode_switch(); +} +#if !CONFIG(VBOOT_STARTS_IN_ROMSTAGE) +ROMSTAGE_CBMEM_INIT_HOOK(vboot_log_and_clear_recovery_mode_switch) +#endif + /** * Verify and select the firmware in the RW image * @@ -448,6 +469,11 @@ void verstage_main(void) vboot_set_selected_region(region_device_region(&fw_main)); verstage_main_exit: + /* If CBMEM is not up yet, let the ROMSTAGE_CBMEM_INIT_HOOK take care + of running this function. */ + if (ENV_ROMSTAGE && CONFIG(VBOOT_STARTS_IN_ROMSTAGE)) + vboot_log_and_clear_recovery_mode_switch(0); + vboot_finalize_work_context(&ctx); timestamp_add_now(TS_END_VBOOT); } |