1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 #include "bootstage.h"
16 
17 #define INIT_BOOTSTAGE_HOOK_NAME "bootstage"
18 static HOOK_MGR *bootStageHookMgr = NULL;
19 
GetBootStageHookMgr()20 HOOK_MGR *GetBootStageHookMgr()
21 {
22     if (bootStageHookMgr != NULL) {
23         return bootStageHookMgr;
24     }
25 
26     /*
27      * Create bootstage hook manager for booting only.
28      * When boot completed, this manager will be destroyed.
29      */
30     bootStageHookMgr = HookMgrCreate(INIT_BOOTSTAGE_HOOK_NAME);
31     return bootStageHookMgr;
32 }
33