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Diffstat (limited to 'include/bootstage.h')
-rw-r--r-- | include/bootstage.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/bootstage.h b/include/bootstage.h new file mode 100644 index 0000000000..ddfb07a225 --- /dev/null +++ b/include/bootstage.h @@ -0,0 +1,58 @@ +/* + * This file implements recording of each stage of the boot process. It is + * intended to implement timing of each stage, reporting this information + * to the user and passing it to the OS for logging / further analysis. + * + * Copyright (c) 2011 The Chromium OS Authors. + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _BOOTSTAGE_H +#define _BOOTSTAGE_H + +/* + * A list of boot stages that we know about. Each of these indicates the + * state that we are at, and the action that we are about to perform. For + * errors, we issue an error for an item when it fails. Therefore the + * normal sequence is: + * + * progress action1 + * progress action2 + * progress action3 + * + * and an error condition where action 3 failed would be: + * + * progress action1 + * progress action2 + * progress action3 + * error on action3 + */ +enum bootstage_id { + BOOTSTAGE_ID_RUN_OS = 15, /* Exiting U-Boot, entering OS */ +}; + +/* + * Board code can implement show_boot_progress() if needed. + * + * @param val Progress state (enum bootstage_id), or -id if an error + * has occurred. + */ +void show_boot_progress(int val); + +#endif |