1 /*
2  * Copyright (C) 2021 Marcin Niestroj
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 
7 #include <zephyr/shell/shell.h>
8 #include <mbedtls/memory_buffer_alloc.h>
9 
10 #if defined(MBEDTLS_MEMORY_DEBUG)
cmd_mbedtls_heap_details(const struct shell * sh,size_t argc,char ** argv)11 static int cmd_mbedtls_heap_details(const struct shell *sh, size_t argc,
12 				    char **argv)
13 {
14 	mbedtls_memory_buffer_alloc_status();
15 
16 	return 0;
17 }
18 
cmd_mbedtls_heap_max_reset(const struct shell * sh,size_t argc,char ** argv)19 static int cmd_mbedtls_heap_max_reset(const struct shell *sh, size_t argc,
20 				  char **argv)
21 {
22 	mbedtls_memory_buffer_alloc_max_reset();
23 
24 	return 0;
25 }
26 
cmd_mbedtls_heap(const struct shell * sh,size_t argc,char ** argv)27 static int cmd_mbedtls_heap(const struct shell *sh, size_t argc, char **argv)
28 {
29 	size_t max_used, max_blocks;
30 	size_t cur_used, cur_blocks;
31 
32 	mbedtls_memory_buffer_alloc_max_get(&max_used, &max_blocks);
33 	mbedtls_memory_buffer_alloc_cur_get(&cur_used, &cur_blocks);
34 
35 	shell_print(sh, "Maximum (peak): %zu bytes, %zu blocks",
36 		    max_used, max_blocks);
37 	shell_print(sh, "Current: %zu bytes, %zu blocks",
38 		    cur_used, cur_blocks);
39 
40 	return 0;
41 }
42 
43 SHELL_STATIC_SUBCMD_SET_CREATE(mbedtls_heap_cmds,
44 	SHELL_CMD_ARG(details, NULL, "Print heap details",
45 		      cmd_mbedtls_heap_details, 1, 0),
46 	SHELL_CMD_ARG(max_reset, NULL, "Reset max heap statistics",
47 		      cmd_mbedtls_heap_max_reset, 1, 0),
48 	SHELL_SUBCMD_SET_END /* Array terminated. */
49 );
50 #endif
51 
52 SHELL_STATIC_SUBCMD_SET_CREATE(mbedtls_cmds,
53 #if defined(MBEDTLS_MEMORY_DEBUG)
54 	SHELL_CMD_ARG(heap, &mbedtls_heap_cmds, "Show heap status",
55 		      cmd_mbedtls_heap, 1, 0),
56 #endif
57 	SHELL_SUBCMD_SET_END /* Array terminated. */
58 );
59 
60 SHELL_CMD_REGISTER(mbedtls, &mbedtls_cmds, "mbed TLS commands", NULL);
61