blob: 24b14c0b29d0f201ccd4606e36177d740db0bc38 (
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
|
/*
* Copyright (c) 2021, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <platform/interface/trng.h>
/*
* A platform trng driver that provides a mock implementation that
* always returns a fixed value. Intended for test purposes only.
*/
static int mock_poll(void *context, unsigned char *output, size_t nbyte, size_t *len)
{
(void)context;
(void)output;
*len = 0;
if (nbyte < sizeof(unsigned char) )
return 0;
*len = sizeof(unsigned char);
return 0;
}
int platform_trng_create(struct platform_trng_driver *driver,
const struct device_region *device_region)
{
static const struct platform_trng_iface iface = { .poll = mock_poll };
(void)device_region;
driver->context = NULL;
driver->iface = &iface;
return 0;
}
void platform_trng_destroy(struct platform_trng_driver *driver)
{
(void)driver;
}
|