| /* |
| * Copyright 2012 Google Inc. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA |
| */ |
| |
| #include <stdint.h> |
| #include <sysinfo.h> |
| |
| #include "base/init_funcs.h" |
| #include "base/time.h" |
| #include "base/timestamp.h" |
| #include "drivers/timer/timer.h" |
| |
| struct timestamp_entry { |
| uint32_t entry_id; |
| uint64_t entry_stamp; |
| } __attribute__((packed)); |
| |
| struct timestamp_table { |
| uint64_t base_time; |
| uint32_t max_entries; |
| uint32_t num_entries; |
| struct timestamp_entry entries[0]; /* Variable number of entries */ |
| } __attribute__((packed)); |
| |
| static struct timestamp_table *ts_table; |
| |
| static int timestamp_init(void) |
| { |
| ts_table = get_sysinfo()->tstamp_table; |
| timestamp_add_now(TS_START); |
| return 0; |
| } |
| |
| INIT_FUNC_TIMESTAMP(timestamp_init) |
| |
| void timestamp_add(enum timestamp_id id, uint64_t ts_time) |
| { |
| struct timestamp_entry *tse; |
| |
| if (!ts_table || (ts_table->num_entries == ts_table->max_entries)) |
| return; |
| |
| tse = &ts_table->entries[ts_table->num_entries++]; |
| tse->entry_id = id; |
| tse->entry_stamp = ts_time - ts_table->base_time; |
| } |
| |
| void timestamp_add_now(enum timestamp_id id) |
| { |
| if (CONFIG_TIMESTAMP_RAW) |
| timestamp_add(id, timer_raw_value()); |
| else |
| timestamp_add(id, time_us(0)); |
| } |