diff options
Diffstat (limited to 'source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/timer_fvp.c')
-rw-r--r-- | source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/timer_fvp.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/timer_fvp.c b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/timer_fvp.c new file mode 100644 index 0000000..b7a7232 --- /dev/null +++ b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/timer_fvp.c @@ -0,0 +1,56 @@ +/* + * 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 */ +} |