src/vendorcode/google/chromeos/elog.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2014 The ChromiumOS Authors.  All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <bootstate.h>
  17 #include <console/console.h>
  18 #include <elog.h>
  19 #include <vboot/vboot_common.h>
  20
  21 static void elog_add_boot_reason(void *unused)
  22 {
  23         int rec = vboot_recovery_mode_enabled();
  24         int dev = vboot_developer_mode_enabled();
  25
  26         if (!rec && !dev)
  27                 return;
  28
  29         if (rec) {
  30                 u8 reason = vboot_check_recovery_request();
  31                 elog_add_event_byte(ELOG_TYPE_CROS_RECOVERY_MODE, reason);
  32                 printk(BIOS_DEBUG, "%s: Logged recovery mode boot%s, "
  33                        "reason: 0x%02x\n", __func__,
  34                        dev ? " (Dev-switch on)" : "", reason);
  35         }
  36
  37         if (dev) {
  38                 elog_add_event(ELOG_TYPE_CROS_DEVELOPER_MODE);
  39                 printk(BIOS_DEBUG, "%s: Logged dev mode boot\n", __func__);
  40         }
  41 }
  42
  43 BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY, elog_add_boot_reason, NULL);