The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Dependents: hello SerialTestv11 SerialTestv12 Sierpinski ... more
mbed 2
This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.
Diff: TARGET_NUCLEO_F207ZG/TOOLCHAIN_IAR/tz_context.h
- Revision:
- 171:3a7713b1edbc
- Parent:
- 169:a7c7b631e539
diff -r e95d10626187 -r 3a7713b1edbc TARGET_NUCLEO_F207ZG/TOOLCHAIN_IAR/tz_context.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_NUCLEO_F207ZG/TOOLCHAIN_IAR/tz_context.h Thu Nov 08 11:45:42 2018 +0000 @@ -0,0 +1,70 @@ +/****************************************************************************** + * @file tz_context.h + * @brief Context Management for Armv8-M TrustZone + * @version V1.0.1 + * @date 10. January 2018 + ******************************************************************************/ +/* + * Copyright (c) 2017-2018 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 + * + * 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. + */ + +#if defined ( __ICCARM__ ) + #pragma system_include /* treat file as system include file for MISRA check */ +#elif defined (__clang__) + #pragma clang system_header /* treat file as system include file */ +#endif + +#ifndef TZ_CONTEXT_H +#define TZ_CONTEXT_H + +#include <stdint.h> + +#ifndef TZ_MODULEID_T +#define TZ_MODULEID_T +/// \details Data type that identifies secure software modules called by a process. +typedef uint32_t TZ_ModuleId_t; +#endif + +/// \details TZ Memory ID identifies an allocated memory slot. +typedef uint32_t TZ_MemoryId_t; + +/// Initialize secure context memory system +/// \return execution status (1: success, 0: error) +uint32_t TZ_InitContextSystem_S (void); + +/// Allocate context memory for calling secure software modules in TrustZone +/// \param[in] module identifies software modules called from non-secure mode +/// \return value != 0 id TrustZone memory slot identifier +/// \return value 0 no memory available or internal error +TZ_MemoryId_t TZ_AllocModuleContext_S (TZ_ModuleId_t module); + +/// Free context memory that was previously allocated with \ref TZ_AllocModuleContext_S +/// \param[in] id TrustZone memory slot identifier +/// \return execution status (1: success, 0: error) +uint32_t TZ_FreeModuleContext_S (TZ_MemoryId_t id); + +/// Load secure context (called on RTOS thread context switch) +/// \param[in] id TrustZone memory slot identifier +/// \return execution status (1: success, 0: error) +uint32_t TZ_LoadContext_S (TZ_MemoryId_t id); + +/// Store secure context (called on RTOS thread context switch) +/// \param[in] id TrustZone memory slot identifier +/// \return execution status (1: success, 0: error) +uint32_t TZ_StoreContext_S (TZ_MemoryId_t id); + +#endif // TZ_CONTEXT_H