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/*
* 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);
static inline void show_boot_error(int val)
{
show_boot_progress(-val);
}
#endif
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