1 /*
2 * Copyright (c) 2012-2014 Wind River Systems, Inc.
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/kernel.h>
8 #include <zephyr/sys/printk.h>
9 #include <zephyr/ztest.h>
10
11 #include "test_lib.h"
12
13 /*
14 * These values will typically be placed in the appropriate sections, but may be moved around
15 * by the compiler; for instance var_sram2_data might end up in .rodata if the compiler can prove
16 * that it's never modified. To prevent that, we explicitly specify sections.
17 */
18 __in_section(data, sram2, var) uint32_t var_sram2_data = 10U;
19 __in_section(bss, sram2, var) uint32_t var_sram2_bss;
20 K_SEM_DEFINE(test, 0, 1);
21 __in_section(rodata, sram2, var) const uint32_t var_sram2_rodata = 100U;
22
23 __in_section(custom_section, static, var) uint32_t var_custom_data = 1U;
24
25 extern void function_in_sram(int32_t value);
26 void function_in_custom_section(void);
27
28 #define HAS_SRAM2_DATA_SECTION (CONFIG_ARM)
29
ZTEST(code_relocation,test_function_in_sram2)30 ZTEST(code_relocation, test_function_in_sram2)
31 {
32 extern uintptr_t __sram2_text_reloc_start;
33 extern uintptr_t __sram2_text_reloc_end;
34 extern uintptr_t __sram2_data_reloc_start;
35 extern uintptr_t __sram2_data_reloc_end;
36 extern uintptr_t __sram2_bss_reloc_start;
37 extern uintptr_t __sram2_bss_reloc_end;
38 extern uintptr_t __sram2_rodata_reloc_start;
39 extern uintptr_t __sram2_rodata_reloc_end;
40 extern uintptr_t __custom_section_start;
41 extern uintptr_t __custom_section_end;
42
43 /* Print values from sram2 */
44 printk("Address of var_sram2_data %p\n", &var_sram2_data);
45 printk("Address of k_sem_give %p\n", &k_sem_give);
46 printk("Address of var_sram2_rodata %p\n", &var_sram2_rodata);
47 printk("Address of var_sram2_bss %p\n\n", &var_sram2_bss);
48
49 zassert_between_inclusive((uintptr_t)&var_sram2_data,
50 (uintptr_t)&__sram2_data_reloc_start,
51 (uintptr_t)&__sram2_data_reloc_end,
52 "var_sram2_data not in sram2 region");
53 zassert_between_inclusive((uintptr_t)&k_sem_give,
54 (uintptr_t)&__sram2_text_reloc_start,
55 (uintptr_t)&__sram2_text_reloc_end,
56 "k_sem_give not in sram_text region");
57 zassert_between_inclusive((uintptr_t)&var_sram2_rodata,
58 (uintptr_t)&__sram2_rodata_reloc_start,
59 (uintptr_t)&__sram2_rodata_reloc_end,
60 "var_sram2_rodata not in sram2_rodata region");
61 zassert_between_inclusive((uintptr_t)&var_sram2_bss,
62 (uintptr_t)&__sram2_bss_reloc_start,
63 (uintptr_t)&__sram2_bss_reloc_end,
64 "var_sram2_bss not in sram2_bss region");
65
66 /* Print values from sram */
67 function_in_sram(var_sram2_data);
68 /* Call library function */
69 relocated_library();
70
71 /* Print values which were placed using attributes */
72 printk("Address of custom_section, func placed using attributes %p\n",
73 &function_in_custom_section);
74 printk("Address of custom_section data placed using attributes %p\n\n",
75 &var_custom_data);
76 zassert_between_inclusive((uintptr_t)&function_in_custom_section,
77 (uintptr_t)&__custom_section_start,
78 (uintptr_t)&__custom_section_end,
79 "function_in_custom_section not in custom_section region");
80 zassert_between_inclusive((uintptr_t)&var_custom_data,
81 (uintptr_t)&__custom_section_start,
82 (uintptr_t)&__custom_section_end,
83 "var_custom_data not in custom_section region");
84
85 k_sem_give(&test);
86 }
87
__in_section(custom_section,static,fun)88 __in_section(custom_section, static, fun) void function_in_custom_section(void)
89 {
90 }
91
