/* * Copyright (c) 2021 Arm Limited. All rights reserved. * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "timer_fvp.h" #include "irqs.h" #include "bsp_core_log.h" fvp_time_counter get_time_counter(void) { fvp_time_counter t = { .counter_systick = Get_SysTick_Cycle_Count() }; debug("counter_systick: %llu\n", t.counter_systick); return t; } void timer_reset(void) { if (0 != Init_SysTick()) { printf_err("Failed to initialise system tick config\n"); } debug("system tick config ready\n"); } uint64_t get_cycle_count_diff(fvp_time_counter *start, fvp_time_counter *end) { if (start->counter_systick > end->counter_systick) { warn("start > end; counter might have overflown\n"); } return end->counter_systick - start->counter_systick; } void start_cycle_counter(void) { /* Add any custom requirement for this platform here */ } void stop_cycle_counter(void) { /* Add any custom requirement for this platform here */ }