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cmsis/tz_context.h@167:e84263d55307, 2017-06-21 (annotated)

Committer:
AnnaBridge
Date:
Wed Jun 21 17:46:44 2017 +0100
Revision:
167:e84263d55307
This updates the lib to the mbed lib v 145

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AnnaBridge 167:e84263d55307 1 /*
AnnaBridge 167:e84263d55307 2 * Copyright (c) 2015-2016 ARM Limited. All rights reserved.
AnnaBridge 167:e84263d55307 3 *
AnnaBridge 167:e84263d55307 4 * SPDX-License-Identifier: Apache-2.0
AnnaBridge 167:e84263d55307 5 *
AnnaBridge 167:e84263d55307 6 * Licensed under the Apache License, Version 2.0 (the License); you may
AnnaBridge 167:e84263d55307 7 * not use this file except in compliance with the License.
AnnaBridge 167:e84263d55307 8 * You may obtain a copy of the License at
AnnaBridge 167:e84263d55307 9 *
AnnaBridge 167:e84263d55307 10 * www.apache.org/licenses/LICENSE-2.0
AnnaBridge 167:e84263d55307 11 *
AnnaBridge 167:e84263d55307 12 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 167:e84263d55307 13 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
AnnaBridge 167:e84263d55307 14 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 167:e84263d55307 15 * See the License for the specific language governing permissions and
AnnaBridge 167:e84263d55307 16 * limitations under the License.
AnnaBridge 167:e84263d55307 17 *
AnnaBridge 167:e84263d55307 18 * ----------------------------------------------------------------------------
AnnaBridge 167:e84263d55307 19 *
AnnaBridge 167:e84263d55307 20 * $Date: 21. September 2016
AnnaBridge 167:e84263d55307 21 * $Revision: V1.0
AnnaBridge 167:e84263d55307 22 *
AnnaBridge 167:e84263d55307 23 * Project: TrustZone for ARMv8-M
AnnaBridge 167:e84263d55307 24 * Title: Context Management for ARMv8-M TrustZone
AnnaBridge 167:e84263d55307 25 *
AnnaBridge 167:e84263d55307 26 * Version 1.0
AnnaBridge 167:e84263d55307 27 * Initial Release
AnnaBridge 167:e84263d55307 28 *---------------------------------------------------------------------------*/
AnnaBridge 167:e84263d55307 29
AnnaBridge 167:e84263d55307 30 #ifndef TZ_CONTEXT_H
AnnaBridge 167:e84263d55307 31 #define TZ_CONTEXT_H
AnnaBridge 167:e84263d55307 32
AnnaBridge 167:e84263d55307 33 #include <stdint.h>
AnnaBridge 167:e84263d55307 34
AnnaBridge 167:e84263d55307 35 #ifndef TZ_MODULEID_T
AnnaBridge 167:e84263d55307 36 #define TZ_MODULEID_T
AnnaBridge 167:e84263d55307 37 /// \details Data type that identifies secure software modules called by a process.
AnnaBridge 167:e84263d55307 38 typedef uint32_t TZ_ModuleId_t;
AnnaBridge 167:e84263d55307 39 #endif
AnnaBridge 167:e84263d55307 40
AnnaBridge 167:e84263d55307 41 /// \details TZ Memory ID identifies an allocated memory slot.
AnnaBridge 167:e84263d55307 42 typedef uint32_t TZ_MemoryId_t;
AnnaBridge 167:e84263d55307 43
AnnaBridge 167:e84263d55307 44 /// Initialize secure context memory system
AnnaBridge 167:e84263d55307 45 /// \return execution status (1: success, 0: error)
AnnaBridge 167:e84263d55307 46 uint32_t TZ_InitContextSystem_S (void);
AnnaBridge 167:e84263d55307 47
AnnaBridge 167:e84263d55307 48 /// Allocate context memory for calling secure software modules in TrustZone
AnnaBridge 167:e84263d55307 49 /// \param[in] module identifies software modules called from non-secure mode
AnnaBridge 167:e84263d55307 50 /// \return value != 0 id TrustZone memory slot identifier
AnnaBridge 167:e84263d55307 51 /// \return value 0 no memory available or internal error
AnnaBridge 167:e84263d55307 52 TZ_MemoryId_t TZ_AllocModuleContext_S (TZ_ModuleId_t module);
AnnaBridge 167:e84263d55307 53
AnnaBridge 167:e84263d55307 54 /// Free context memory that was previously allocated with \ref TZ_AllocModuleContext_S
AnnaBridge 167:e84263d55307 55 /// \param[in] id TrustZone memory slot identifier
AnnaBridge 167:e84263d55307 56 /// \return execution status (1: success, 0: error)
AnnaBridge 167:e84263d55307 57 uint32_t TZ_FreeModuleContext_S (TZ_MemoryId_t id);
AnnaBridge 167:e84263d55307 58
AnnaBridge 167:e84263d55307 59 /// Load secure context (called on RTOS thread context switch)
AnnaBridge 167:e84263d55307 60 /// \param[in] id TrustZone memory slot identifier
AnnaBridge 167:e84263d55307 61 /// \return execution status (1: success, 0: error)
AnnaBridge 167:e84263d55307 62 uint32_t TZ_LoadContext_S (TZ_MemoryId_t id);
AnnaBridge 167:e84263d55307 63
AnnaBridge 167:e84263d55307 64 /// Store secure context (called on RTOS thread context switch)
AnnaBridge 167:e84263d55307 65 /// \param[in] id TrustZone memory slot identifier
AnnaBridge 167:e84263d55307 66 /// \return execution status (1: success, 0: error)
AnnaBridge 167:e84263d55307 67 uint32_t TZ_StoreContext_S (TZ_MemoryId_t id);
AnnaBridge 167:e84263d55307 68
AnnaBridge 167:e84263d55307 69 #endif // TZ_CONTEXT_H