1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef CHRE_PLATFORM_FREERTOS_STATIC_NANOAPP_INIT_H_
18 #define CHRE_PLATFORM_FREERTOS_STATIC_NANOAPP_INIT_H_
19 
20 #include "chre/core/nanoapp.h"
21 #include "chre/platform/fatal_error.h"
22 #include "chre/util/unique_ptr.h"
23 
24 /**
25  * Initializes a static nanoapp that is based on the FreeRTOS implementation of
26  * PlatformNanoappBase.
27  *
28  * @param appName the name of the nanoapp. This will be prefixed by gNanoapp
29  * when creating the global instance of the nanoapp.
30  * @param appId the app's unique 64-bit ID
31  * @param appVersion the application-defined 32-bit version number
32  * @param appPerms the declared CHRE_PERMS_ permissions for the nanoapp.
33  */
34 #define CHRE_STATIC_NANOAPP_INIT(appName, appId_, appVersion_, appPerms)     \
35   namespace chre {                                                           \
36                                                                              \
37   UniquePtr<Nanoapp> initializeStaticNanoapp##appName() {                    \
38     UniquePtr<Nanoapp> nanoapp = MakeUnique<Nanoapp>();                      \
39     static struct chreNslNanoappInfo appInfo;                                \
40     appInfo.magic = CHRE_NSL_NANOAPP_INFO_MAGIC;                             \
41     appInfo.structMinorVersion = CHRE_NSL_NANOAPP_INFO_STRUCT_MINOR_VERSION; \
42     appInfo.targetApiVersion = CHRE_API_VERSION;                             \
43     appInfo.vendor = "Google"; /* TODO: make this configurable */            \
44     appInfo.name = #appName;                                                 \
45     appInfo.isSystemNanoapp = true;                                          \
46     appInfo.isTcmNanoapp = false;                                            \
47     appInfo.appId = appId_;                                                  \
48     appInfo.appVersion = appVersion_;                                        \
49     appInfo.entryPoints.start = nanoappStart;                                \
50     appInfo.entryPoints.handleEvent = nanoappHandleEvent;                    \
51     appInfo.entryPoints.end = nanoappEnd;                                    \
52     appInfo.appVersionString = "<undefined>";                                \
53     appInfo.appPermissions = appPerms;                                       \
54     if (nanoapp.isNull()) {                                                  \
55       FATAL_ERROR("Failed to allocate nanoapp " #appName);                   \
56     } else {                                                                 \
57       nanoapp->loadStatic(&appInfo);                                         \
58     }                                                                        \
59                                                                              \
60     return nanoapp;                                                          \
61   }                                                                          \
62   } /* namespace chre */
63 
64 #endif  // CHRE_PLATFORM_FREERTOS_NANOAPP_INIT_H_
65