src/include/timestamp.h

/*
 * This file is part of the coreboot project.
 *
 * Copyright 2011 Google Inc.
 *
 * 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; version 2 of the License.
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
 */

#ifndef __TIMESTAMP_H__
#define __TIMESTAMP_H__

#include <stdint.h>

struct timestamp_entry {
	uint32_t	entry_id;
	uint64_t	entry_stamp;
} __attribute__((packed));

struct timestamp_table {
	uint64_t	base_time;
	uint32_t	max_entries;
	uint32_t	num_entries;
	struct timestamp_entry entries[0]; /* Variable number of entries */
} __attribute__((packed));

enum timestamp_id {
	TS_START_ROMSTAGE = 1,
	TS_BEFORE_INITRAM = 2,
	TS_AFTER_INITRAM = 3,
	TS_END_ROMSTAGE = 4,
	TS_START_VBOOT = 5,
	TS_END_VBOOT = 6,
	TS_START_COPYRAM = 8,
	TS_END_COPYRAM = 9,
	TS_START_RAMSTAGE = 10,
	TS_DEVICE_ENUMERATE = 30,
	TS_DEVICE_CONFIGURE = 40,
	TS_DEVICE_ENABLE = 50,
	TS_DEVICE_INITIALIZE = 60,
	TS_DEVICE_DONE = 70,
	TS_CBMEM_POST = 75,
	TS_WRITE_TABLES = 80,
	TS_LOAD_PAYLOAD = 90,
	TS_ACPI_WAKE_JUMP = 98,
	TS_SELFBOOT_JUMP = 99,
};

#if CONFIG_COLLECT_TIMESTAMPS
void timestamp_init(uint64_t base);
void timestamp_add(enum timestamp_id id, uint64_t ts_time);
void timestamp_add_now(enum timestamp_id id);
void timestamp_stash(enum timestamp_id id);
void timestamp_sync(void);
/* Implemented by the architecture code */
uint64_t timestamp_get(void);
#else
#define timestamp_init(base)
#define timestamp_add(id, time)
#define timestamp_add_now(id)
#define timestamp_stash(id)
#define timestamp_sync()
#endif

#endif