47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
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/*
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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 __TIMESTAMP_H__
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#define __TIMESTAMP_H__
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#include <cpu/x86/tsc.h>
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struct timestamp_entry {
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uint32_t entry_id;
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uint64_t entry_stamp;
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} __attribute__((packed));
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struct timestamp_table {
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uint64_t base_time;
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uint32_t max_entries;
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uint32_t num_entries;
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struct timestamp_entry entries[0]; /* Variable number of entries */
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} __attribute__((packed));
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enum timestamp_id {
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TS_BEFORE_INITRAM = 1,
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TS_AFTER_INITRAM = 2,
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};
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void timestamp_init(tsc_t base);
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void timestamp_add(enum timestamp_id id, tsc_t ts_time);
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void timestamp_add_now(enum timestamp_id id);
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#endif
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