lib_hook_exports.h

00001 /*
00002  * Copyright (c) 2016, ARM Limited, All Rights Reserved
00003  * SPDX-License-Identifier: Apache-2.0
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License"); you may
00006  * not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  * http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00013  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 #ifndef __UVISOR_API_LIB_HOOK_EXPORTS_H__
00018 #define __UVISOR_API_LIB_HOOK_EXPORTS_H__
00019 
00020 #include <stdint.h>
00021 
00022 /* Predeclaration */
00023 typedef struct uvisor_semaphore UvisorSemaphore;
00024 
00025 /*
00026  * uVisor library hooks
00027  *
00028  * All functions that uVisor needs to call that are implemented in uvisor-lib.
00029  * These functions will be run by unprivileged code only. */
00030 typedef struct {
00031     void (*box_init)(void * lib_config);
00032     int (*semaphore_init)(UvisorSemaphore * semaphore, uint32_t initial_count, uint32_t max_count);
00033     int (*semaphore_pend)(UvisorSemaphore * semaphore, uint32_t timeout_ms);
00034 } UvisorLibHooks;
00035 
00036 #endif