2 * This file is part of the coreboot project.
4 * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
6 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/arch/timestamp.h>
11 #include <asm/arch/sysinfo.h>
12 #include <linux/compiler.h>
14 struct timestamp_entry {
19 struct timestamp_table {
23 struct timestamp_entry entries[0]; /* Variable number of entries */
26 static struct timestamp_table *ts_table __attribute__((section(".data")));
28 void timestamp_init(void)
30 timestamp_add_now(TS_U_BOOT_INITTED);
33 void timestamp_add(enum timestamp_id id, uint64_t ts_time)
35 struct timestamp_entry *tse;
37 if (!ts_table || (ts_table->num_entries == ts_table->max_entries))
40 tse = &ts_table->entries[ts_table->num_entries++];
42 tse->entry_stamp = ts_time - ts_table->base_time;
45 void timestamp_add_now(enum timestamp_id id)
47 timestamp_add(id, rdtsc());
50 int timestamp_add_to_bootstage(void)
57 for (i = 0; i < ts_table->num_entries; i++) {
58 struct timestamp_entry *tse = &ts_table->entries[i];
59 const char *name = NULL;
61 switch (tse->entry_id) {
62 case TS_START_ROMSTAGE:
63 name = "start-romstage";
65 case TS_BEFORE_INITRAM:
66 name = "before-initram";
68 case TS_DEVICE_INITIALIZE:
69 name = "device-initialize";
74 case TS_SELFBOOT_JUMP:
75 name = "selfboot-jump";
79 bootstage_add_record(0, name, BOOTSTAGEF_ALLOC,