| Vadim Bendebury | 6f72d69 | 2011-09-21 16:12:39 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA |
| 18 | */ |
| 19 | |
| 20 | #ifndef __TIMESTAMP_H__ |
| 21 | #define __TIMESTAMP_H__ |
| 22 | |
| 23 | #include <cpu/x86/tsc.h> |
| 24 | |
| 25 | struct timestamp_entry { |
| 26 | uint32_t entry_id; |
| 27 | uint64_t entry_stamp; |
| 28 | } __attribute__((packed)); |
| 29 | |
| 30 | struct timestamp_table { |
| 31 | uint64_t base_time; |
| 32 | uint32_t max_entries; |
| 33 | uint32_t num_entries; |
| 34 | struct timestamp_entry entries[0]; /* Variable number of entries */ |
| 35 | } __attribute__((packed)); |
| 36 | |
| 37 | enum timestamp_id { |
| 38 | TS_BEFORE_INITRAM = 1, |
| 39 | TS_AFTER_INITRAM = 2, |
| 40 | }; |
| 41 | |
| 42 | void timestamp_init(tsc_t base); |
| 43 | void timestamp_add(enum timestamp_id id, tsc_t ts_time); |
| 44 | void timestamp_add_now(enum timestamp_id id); |
| 45 | |
| 46 | #endif |