5397d8058c
Coreboot provides a lot of useful timing information. Provide a facility to add this to bootstage on start-up. Signed-off-by: Simon Glass <sjg@chromium.org>
60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
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*/
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#ifndef __COREBOOT_TIMESTAMP_H__
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#define __COREBOOT_TIMESTAMP_H__
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enum timestamp_id {
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/* coreboot specific timestamp IDs */
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TS_START_ROMSTAGE = 1,
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TS_BEFORE_INITRAM = 2,
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TS_AFTER_INITRAM = 3,
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TS_END_ROMSTAGE = 4,
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TS_START_COPYRAM = 8,
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TS_END_COPYRAM = 9,
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TS_START_RAMSTAGE = 10,
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TS_DEVICE_ENUMERATE = 30,
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TS_DEVICE_CONFIGURE = 40,
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TS_DEVICE_ENABLE = 50,
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TS_DEVICE_INITIALIZE = 60,
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TS_DEVICE_DONE = 70,
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TS_CBMEM_POST = 75,
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TS_WRITE_TABLES = 80,
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TS_LOAD_PAYLOAD = 90,
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TS_ACPI_WAKE_JUMP = 98,
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TS_SELFBOOT_JUMP = 99,
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/* U-Boot entry IDs start at 1000 */
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TS_U_BOOT_INITTED = 1000, /* This is where u-boot starts */
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TS_U_BOOT_START_KERNEL = 1100, /* Right before jumping to kernel. */
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};
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void timestamp_init(void);
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void timestamp_add(enum timestamp_id id, uint64_t ts_time);
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void timestamp_add_now(enum timestamp_id id);
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/**
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* timestamp_add_to_bootstage - Add important coreboot timestamps to bootstage
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*
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* @return 0 if ok, -1 if no timestamps were found
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*/
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int timestamp_add_to_bootstage(void);
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#endif
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