1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include "stdlib.h"
33 #include "shcmd.h"
34 #include "shell.h"
35 #include "los_memory.h"
36
37 #define MEM_SIZE_1K 0x400
38 #define MEM_SIZE_1M 0x100000
39
40 #define MEM_SIZE_TO_KB(size) (((size) + (MEM_SIZE_1K >> 1)) / MEM_SIZE_1K)
41 #define MEM_SIZE_TO_MB(size) (((size) + (MEM_SIZE_1M >> 1)) / MEM_SIZE_1M)
42
OsShellCmdFreeInfo(INT32 argc,const CHAR * argv[])43 LITE_OS_SEC_TEXT_MINOR STATIC UINT32 OsShellCmdFreeInfo(INT32 argc, const CHAR *argv[])
44 {
45 UINT32 memUsed = LOS_MemTotalUsedGet(m_aucSysMem0);
46 UINT32 totalMem = LOS_MemPoolSizeGet(m_aucSysMem0);
47 UINT32 freeMem = totalMem - memUsed;
48
49 if ((argc == 0) ||
50 ((argc == 1) && (strcmp(argv[0], "-k") == 0)) ||
51 ((argc == 1) && (strcmp(argv[0], "-m") == 0))) {
52 PRINTK("\n total used free\n");
53 }
54
55 if ((argc == 1) && (strcmp(argv[0], "-k") == 0)) {
56 PRINTK("Mem: %-9u %-10u %-10u\n", MEM_SIZE_TO_KB(totalMem), MEM_SIZE_TO_KB(memUsed),
57 MEM_SIZE_TO_KB(freeMem));
58 } else if ((argc == 1) && (strcmp(argv[0], "-m") == 0)) {
59 PRINTK("Mem: %-9u %-10u %-10u\n", MEM_SIZE_TO_MB(totalMem), MEM_SIZE_TO_MB(memUsed),
60 MEM_SIZE_TO_MB(freeMem));
61 } else if (argc == 0) {
62 PRINTK("Mem: %-9u %-10u %-10u\n", totalMem, memUsed, freeMem);
63 } else {
64 PRINTK("\nUsage: free or free [-k/-m]\n");
65 return OS_ERROR;
66 }
67 return 0;
68 }
69
OsShellCmdFree(INT32 argc,const CHAR * argv[])70 LITE_OS_SEC_TEXT_MINOR UINT32 OsShellCmdFree(INT32 argc, const CHAR *argv[])
71 {
72 if (argc > 1) {
73 PRINTK("\nUsage: free or free [-k/-m]\n");
74 return OS_ERROR;
75 }
76 if (OsShellCmdFreeInfo(argc, argv) != 0) {
77 return OS_ERROR;
78 }
79 return 0;
80 }
81
82 #if (LOSCFG_MEM_WATERLINE == 1)
OsShellCmdWaterLine(INT32 argc,const CHAR * argv[])83 LITE_OS_SEC_TEXT_MINOR UINT32 OsShellCmdWaterLine(INT32 argc, const CHAR *argv[])
84 {
85 LOS_MEM_POOL_STATUS poolStatus;
86
87 if (argc > 1) {
88 PRINTK("\nUsage: memusage or memusage [-k/-m]\n");
89 return OS_ERROR;
90 }
91
92 if (LOS_MemInfoGet(m_aucSysMem0, &poolStatus) != LOS_OK) {
93 return OS_ERROR;
94 }
95
96 if ((argc == 1) && (strcmp(argv[0], "-k") == 0)) {
97 PRINTK("Mem WaterLine: %-9u\n", MEM_SIZE_TO_KB(poolStatus.usageWaterLine));
98 } else if ((argc == 1) && (strcmp(argv[0], "-m") == 0)) {
99 PRINTK("Mem WaterLine: %-9u\n", MEM_SIZE_TO_MB(poolStatus.usageWaterLine));
100 } else if (argc == 0) {
101 PRINTK("Mem WaterLine: %-9u\n", poolStatus.usageWaterLine);
102 } else {
103 PRINTK("\nUsage: memusage or memusage [-k/-m]\n");
104 return OS_ERROR;
105 }
106
107 return 0;
108 }
109 #endif
110