| /* |
| * 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_simple_platform.h" |
| |
| #include "irqs.h" |
| #include "bsp_core_log.h" |
| |
| #include <inttypes.h> |
| |
| generic_time_counter get_time_counter(void) |
| { |
| generic_time_counter t = { |
| .counter_systick = Get_SysTick_Cycle_Count() |
| }; |
| debug("counter_systick: %" PRIu64 "\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(generic_time_counter *start, |
| generic_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 */ |
| } |