blob: b7a723242d5d37a45dbe83ece6d3ac45a400470e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
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 */
}
|
