| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2011 The ChromiumOS Authors. 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. |
| */ |
| |
| #ifndef __TIMESTAMP_H__ |
| #define __TIMESTAMP_H__ |
| |
| #include <stdint.h> |
| |
| struct timestamp_entry { |
| uint32_t entry_id; |
| uint64_t entry_stamp; |
| } __attribute__((packed)); |
| |
| struct timestamp_table { |
| uint64_t base_time; |
| uint16_t max_entries; |
| uint16_t tick_freq_mhz; |
| uint32_t num_entries; |
| struct timestamp_entry entries[0]; /* Variable number of entries */ |
| } __attribute__((packed)); |
| |
| enum timestamp_id { |
| TS_START_ROMSTAGE = 1, |
| TS_BEFORE_INITRAM = 2, |
| TS_AFTER_INITRAM = 3, |
| TS_END_ROMSTAGE = 4, |
| TS_START_VBOOT = 5, |
| TS_END_VBOOT = 6, |
| TS_START_COPYRAM = 8, |
| TS_END_COPYRAM = 9, |
| TS_START_RAMSTAGE = 10, |
| TS_START_BOOTBLOCK = 11, |
| TS_END_BOOTBLOCK = 12, |
| TS_START_COPYROM = 13, |
| TS_END_COPYROM = 14, |
| TS_START_ULZMA = 15, |
| TS_END_ULZMA = 16, |
| TS_DEVICE_ENUMERATE = 30, |
| TS_DEVICE_CONFIGURE = 40, |
| TS_DEVICE_ENABLE = 50, |
| TS_DEVICE_INITIALIZE = 60, |
| TS_DEVICE_DONE = 70, |
| TS_CBMEM_POST = 75, |
| TS_WRITE_TABLES = 80, |
| TS_LOAD_PAYLOAD = 90, |
| TS_ACPI_WAKE_JUMP = 98, |
| TS_SELFBOOT_JUMP = 99, |
| |
| /* 500+ reserved for vendorcode extensions (500-600: google/chromeos) */ |
| TS_START_COPYVER = 501, |
| TS_END_COPYVER = 502, |
| TS_START_TPMINIT = 503, |
| TS_END_TPMINIT = 504, |
| TS_START_VERIFY_SLOT = 505, |
| TS_END_VERIFY_SLOT = 506, |
| TS_START_HASH_BODY = 507, |
| TS_DONE_LOADING = 508, |
| TS_DONE_HASHING = 509, |
| TS_END_HASH_BODY = 510, |
| |
| /* 950+ reserved for vendorcode extensions (950-999: intel/fsp) */ |
| TS_FSP_MEMORY_INIT_START = 950, |
| TS_FSP_MEMORY_INIT_END = 951, |
| TS_FSP_TEMP_RAM_EXIT_START = 952, |
| TS_FSP_TEMP_RAM_EXIT_END = 953, |
| TS_FSP_SILICON_INIT_START = 954, |
| TS_FSP_SILICON_INIT_END = 955, |
| TS_FSP_BEFORE_ENUMERATE = 956, |
| TS_FSP_AFTER_ENUMERATE = 957, |
| TS_FSP_BEFORE_FINALIZE = 958, |
| TS_FSP_AFTER_FINALIZE = 959, |
| |
| /* 1000+ reserved for payloads (1000-1200: ChromeOS depthcharge) */ |
| }; |
| |
| #if CONFIG_COLLECT_TIMESTAMPS && (CONFIG_EARLY_CBMEM_INIT || !defined(__PRE_RAM__)) |
| /* |
| * timestamp_init() needs to be called once for each of these cases: |
| * 1. __PRE_RAM__ (bootblock, romstage, verstage, etc) and |
| * 2. !__PRE_RAM__ (ramstage) |
| * The latter is taken care of by the generic coreboot infrastructure so |
| * it's up to the chipset/arch to call timestamp_init() in *one* of |
| * the __PRE_RAM__ stages. If multiple calls are made timestamps will be lost. |
| */ |
| void timestamp_init(uint64_t base); |
| /* |
| * Add a new timestamp. Depending on cbmem is available or not, this timestamp |
| * will be stored to cbmem / timestamp cache. |
| */ |
| void timestamp_add(enum timestamp_id id, uint64_t ts_time); |
| /* Calls timestamp_add with current timestamp. */ |
| void timestamp_add_now(enum timestamp_id id); |
| #else |
| #define timestamp_init(base) |
| #define timestamp_add(id, time) |
| #define timestamp_add_now(id) |
| #endif |
| |
| /* Implemented by the architecture code */ |
| uint64_t timestamp_get(void); |
| uint64_t get_initial_timestamp(void); |
| /* Returns timestamp tick frequency in MHz. */ |
| int timestamp_tick_freq_mhz(void); |
| |
| #endif |