156 lines
4.3 KiB
C
156 lines
4.3 KiB
C
/*
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* Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "los_magickey.h"
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#include "los_task_pri.h"
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#ifdef LOSCFG_ENABLE_MAGICKEY
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#define MAGIC_KEY_NUM 5
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STATIC VOID OsMagicHelp(VOID);
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STATIC VOID OsMagicTaskShow(VOID);
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STATIC VOID OsMagicPanic(VOID);
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STATIC VOID OsMagicMemCheck(VOID);
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STATIC MagicKeyOp g_magicMemCheckOp = {
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.opHandler = OsMagicMemCheck,
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.helpMsg = "Check system memory(ctrl+e) ",
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.magicKey = 0x05 /* ctrl + e */
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};
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STATIC MagicKeyOp g_magicPanicOp = {
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.opHandler = OsMagicPanic,
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.helpMsg = "System panic(ctrl+p) ",
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.magicKey = 0x10 /* ctrl + p */
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};
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STATIC MagicKeyOp g_magicTaskShowOp = {
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.opHandler = OsMagicTaskShow,
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.helpMsg = "Show task information(ctrl+t) ",
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.magicKey = 0x14 /* ctrl + t */
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};
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STATIC MagicKeyOp g_magicHelpOp = {
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.opHandler = OsMagicHelp,
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.helpMsg = "Show all magic op key(ctrl+z) ",
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.magicKey = 0x1a /* ctrl + z */
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};
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/*
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* NOTICE:Suggest don't use
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* ctrl+h/backspace=0x8,
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* ctrl+i/tab=0x9,
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* ctrl+m/enter=0xd,
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* ctrl+n/shift out=0xe,
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* ctrl+o/shift in=0xf,
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* ctrl+[/esc=0x1b,
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* ctrl+] used for telnet commond mode;
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*/
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STATIC MagicKeyOp *g_magicOpTable[MAGIC_KEY_NUM] = {
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&g_magicMemCheckOp, /* ctrl + e */
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&g_magicPanicOp, /* ctrl + p */
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&g_magicTaskShowOp, /* ctrl + t */
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&g_magicHelpOp, /* ctrl + z */
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NULL /* rserved */
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};
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STATIC VOID OsMagicHelp(VOID)
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{
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INT32 i;
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PRINTK("HELP: ");
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for (i = 0; g_magicOpTable[i] != NULL; ++i) {
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PRINTK("%s ", g_magicOpTable[i]->helpMsg);
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}
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PRINTK("\n");
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return;
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}
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STATIC VOID OsMagicTaskShow(VOID)
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{
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const CHAR *arg = "-a";
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(VOID)OsShellCmdDumpTask(1, &arg);
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return;
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}
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STATIC VOID OsMagicPanic(VOID)
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{
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LOS_Panic("Magic key :\n");
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return;
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}
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STATIC VOID OsMagicMemCheck(VOID)
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{
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if (LOS_MemIntegrityCheck(m_aucSysMem1) == LOS_OK) {
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PRINTK("system memcheck over, all passed!\n");
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}
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return;
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}
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#endif
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INT32 CheckMagicKey(CHAR key)
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{
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#ifdef LOSCFG_ENABLE_MAGICKEY
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INT32 i;
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STATIC UINT32 magicKeySwitch = 0;
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if (key == 0x12) { /* ctrl + r */
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magicKeySwitch = ~magicKeySwitch;
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if (magicKeySwitch != 0) {
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PRINTK("Magic key on\n");
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} else {
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PRINTK("Magic key off\n");
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}
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return 1;
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}
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if (magicKeySwitch != 0) {
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for (i = 0; g_magicOpTable[i] != NULL; ++i) {
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if (key == g_magicOpTable[i]->magicKey) {
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(g_magicOpTable[i])->opHandler();
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return 1;
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}
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}
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}
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#endif
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return 0;
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}
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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