// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. * * Modified from the coreboot version */ #include #include #include #include #include static struct timestamp_table *ts_table __attribute__((section(".data"))); void timestamp_init(void) { timestamp_add_now(TS_U_BOOT_INITTED); } 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) { timestamp_add(id, rdtsc()); } int timestamp_add_to_bootstage(void) { uint i; if (!ts_table) return -1; for (i = 0; i < ts_table->num_entries; i++) { struct timestamp_entry *tse = &ts_table->entries[i]; const char *name = NULL; switch (tse->entry_id) { case TS_START_ROMSTAGE: name = "start-romstage"; break; case TS_BEFORE_INITRAM: name = "before-initram"; break; case TS_DEVICE_INITIALIZE: name = "device-initialize"; break; case TS_DEVICE_DONE: name = "device-done"; break; case TS_SELFBOOT_JUMP: name = "selfboot-jump"; break; } if (name) { bootstage_add_record(0, name, BOOTSTAGEF_ALLOC, tse->entry_stamp / get_tbclk_mhz()); } } return 0; }