2 * This file is part of the coreboot project.
4 * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
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.
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.
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
21 #include <asm/arch/timestamp.h>
22 #include <asm/arch/sysinfo.h>
23 #include <linux/compiler.h>
25 struct timestamp_entry {
30 struct timestamp_table {
34 struct timestamp_entry entries[0]; /* Variable number of entries */
37 static struct timestamp_table *ts_table __attribute__((section(".data")));
39 void timestamp_init(void)
41 ts_table = lib_sysinfo.tstamp_table;
42 #ifdef CONFIG_SYS_X86_TSC_TIMER
43 timer_set_base(ts_table->base_time);
45 timestamp_add_now(TS_U_BOOT_INITTED);
48 void timestamp_add(enum timestamp_id id, uint64_t ts_time)
50 struct timestamp_entry *tse;
52 if (!ts_table || (ts_table->num_entries == ts_table->max_entries))
55 tse = &ts_table->entries[ts_table->num_entries++];
57 tse->entry_stamp = ts_time - ts_table->base_time;
60 void timestamp_add_now(enum timestamp_id id)
62 timestamp_add(id, rdtsc());
65 int timestamp_add_to_bootstage(void)
72 for (i = 0; i < ts_table->num_entries; i++) {
73 struct timestamp_entry *tse = &ts_table->entries[i];
74 const char *name = NULL;
76 switch (tse->entry_id) {
77 case TS_START_ROMSTAGE:
78 name = "start-romstage";
80 case TS_BEFORE_INITRAM:
81 name = "before-initram";
83 case TS_DEVICE_INITIALIZE:
84 name = "device-initialize";
89 case TS_SELFBOOT_JUMP:
90 name = "selfboot-jump";
94 bootstage_add_record(0, name, BOOTSTAGEF_ALLOC,