1 /*
2 * Copyright (c) 2023 Carlo Caione <ccaione@baylibre.com>
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/ztest.h>
8 #include <zephyr/mem_mgmt/mem_attr.h>
9 #include <zephyr/dt-bindings/memory-attr/memory-attr-arm.h>
10
ZTEST(mem_attr,test_mem_attr)11 ZTEST(mem_attr, test_mem_attr)
12 {
13 const struct mem_attr_region_t *region;
14 size_t num_regions;
15
16 num_regions = mem_attr_get_regions(®ion);
17 zassert_equal(num_regions, 2, "No regions returned");
18
19 /*
20 * Check the data in the regions
21 */
22 for (size_t idx = 0; idx < num_regions; idx++) {
23 if (region[idx].dt_size == 0x1000) {
24 zassert_equal(region[idx].dt_addr, 0x10000000, "Wrong region address");
25 zassert_equal(region[idx].dt_size, 0x1000, "Wrong region size");
26 zassert_equal(region[idx].dt_attr, DT_MEM_ARM_MPU_FLASH |
27 DT_MEM_NON_VOLATILE,
28 "Wrong region address");
29 zassert_str_equal(region[idx].dt_name,
30 "memory@10000000", "Wrong name");
31 } else {
32 zassert_equal(region[idx].dt_addr, 0x20000000, "Wrong region address");
33 zassert_equal(region[idx].dt_size, 0x2000, "Wrong region size");
34 zassert_equal(region[idx].dt_attr, DT_MEM_ARM_MPU_RAM_NOCACHE,
35 "Wrong region address");
36 zassert_str_equal(region[idx].dt_name,
37 "memory@20000000", "Wrong name");
38 }
39 }
40
41 /*
42 * Check the input sanitization
43 */
44 zassert_equal(mem_attr_check_buf((void *) 0x10000000, 0x0, DT_MEM_NON_VOLATILE),
45 -ENOTSUP, "Unexpected return value");
46
47 /*
48 * Check a buffer with the correct properties
49 */
50 zassert_equal(mem_attr_check_buf((void *) 0x10000100, 0x100,
51 DT_MEM_ARM_MPU_FLASH | DT_MEM_NON_VOLATILE),
52 0, "Unexpected return value");
53 zassert_equal(mem_attr_check_buf((void *) 0x20000000, 0x2000, DT_MEM_ARM_MPU_RAM_NOCACHE),
54 0, "Unexpected return value");
55
56 /*
57 * Check partial attributes
58 */
59 zassert_equal(mem_attr_check_buf((void *) 0x10000100, 0x100, DT_MEM_NON_VOLATILE),
60 0, "Unexpected return value");
61
62 /*
63 * Check a buffer with the wrong attribute
64 */
65 zassert_equal(mem_attr_check_buf((void *) 0x20000000, 0x2000, DT_MEM_OOO),
66 -EINVAL, "Unexpected return value");
67
68 /*
69 * Check a buffer outsize the regions
70 */
71 zassert_equal(mem_attr_check_buf((void *) 0x40000000, 0x1000, DT_MEM_NON_VOLATILE),
72 -ENOBUFS, "Unexpected return value");
73
74 /*
75 * Check a buffer too big for the region
76 */
77 zassert_equal(mem_attr_check_buf((void *) 0x10000000, 0x2000, DT_MEM_NON_VOLATILE),
78 -ENOSPC, "Unexpected return value");
79
80 /*
81 * Check a buffer in a disabled region
82 */
83 zassert_equal(mem_attr_check_buf((void *) 0x30000000, 0x1000, DT_MEM_OOO),
84 -ENOBUFS, "Unexpected return value");
85 }
86
87 ZTEST_SUITE(mem_attr, NULL, NULL, NULL, NULL, NULL);
88
