xref: /system/chre/platform/linux/include/chre/target_platform/static_nanoapp_init.h

/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef CHRE_PLATFORM_LINUX_STATIC_NANOAPP_INIT_H_
#define CHRE_PLATFORM_LINUX_STATIC_NANOAPP_INIT_H_

#include "chre/core/nanoapp.h"
#include "chre/platform/fatal_error.h"
#include "chre/util/unique_ptr.h"

/**
 * Initializes a static nanoapp that is based on the Linux implementation of
 * PlatformNanoappBase.
 *
 * @param appName the name of the nanoapp. This will be prefixed by gNanoapp
 * when creating the global instance of the nanoapp.
 * @param appId the app's unique 64-bit ID
 */
#define CHRE_STATIC_NANOAPP_INIT(appName, appId_, appVersion_)   \
namespace chre {                                                 \
                                                                 \
UniquePtr<Nanoapp> initializeStaticNanoapp##appName() {          \
  UniquePtr<Nanoapp> nanoapp = MakeUnique<Nanoapp>();            \
  static struct chreNslNanoappInfo appInfo;                      \
  appInfo.magic = CHRE_NSL_NANOAPP_INFO_MAGIC;                   \
  appInfo.structMinorVersion =                                   \
    CHRE_NSL_NANOAPP_INFO_STRUCT_MINOR_VERSION;                  \
  appInfo.targetApiVersion = CHRE_API_VERSION;                   \
  appInfo.vendor = "Google"; /* TODO: make this configurable */  \
  appInfo.name = #appName;                                       \
  appInfo.isSystemNanoapp = true;                                \
  appInfo.isTcmNanoapp = false;                                  \
  appInfo.appId = appId_;                                        \
  appInfo.appVersion = appVersion_;                              \
  appInfo.entryPoints.start = nanoappStart;                      \
  appInfo.entryPoints.handleEvent = nanoappHandleEvent;          \
  appInfo.entryPoints.end = nanoappEnd;                          \
  if (nanoapp.isNull()) {                                        \
    FATAL_ERROR("Failed to allocate nanoapp " #appName);         \
  } else {                                                       \
    nanoapp->loadStatic(&appInfo);                               \
  }                                                              \
                                                                 \
  return nanoapp;                                                \
}                                                                \
}  /* namespace chre */

#endif  // CHRE_PLATFORM_LINUX_STATIC_NANOAPP_INIT_H_