mbed-os/features/FEATURE_UVISOR/source/rtx/tz_context.c

43 lines
1.2 KiB
C

/*
* Copyright (c) 2017, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* 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.
*/
#include "tz_context.h"
#include <stdint.h>
/* Provide do-nothing stubs for RTX's trustzone context saving hooks. uVisor
* doesn't use these on ARMv8-M. */
uint32_t TZ_InitContextSystem_S(void) {
return 1; /* Success */
}
TZ_MemoryId_t TZ_AllocModuleContext_S(TZ_ModuleId_t module) {
return 1; /* Always hand out slot 1. */
}
uint32_t TZ_FreeModuleContext_S(TZ_MemoryId_t id) {
return 1; /* Success */
}
uint32_t TZ_LoadContext_S(TZ_MemoryId_t id) {
return 1; /* Success */
}
uint32_t TZ_StoreContext_S(TZ_MemoryId_t id) {
return 1; /* Success */
}