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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_MTB_MXCHIP_EMW3166/tz_context.h@166:5aab5a7997ee, 2018-04-20 (annotated)

Committer:
Anna Bridge
Date:
Fri Apr 20 11:08:29 2018 +0100
Revision:
166:5aab5a7997ee
Parent:
161:aa5281ff4a02
Child:
169:a7c7b631e539
Updating mbed 2 version number

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 161:aa5281ff4a02 1 /*
AnnaBridge 161:aa5281ff4a02 2 * Copyright (c) 2015-2016 ARM Limited. All rights reserved.
AnnaBridge 161:aa5281ff4a02 3 *
AnnaBridge 161:aa5281ff4a02 4 * SPDX-License-Identifier: Apache-2.0
AnnaBridge 161:aa5281ff4a02 5 *
AnnaBridge 161:aa5281ff4a02 6 * Licensed under the Apache License, Version 2.0 (the License); you may
AnnaBridge 161:aa5281ff4a02 7 * not use this file except in compliance with the License.
AnnaBridge 161:aa5281ff4a02 8 * You may obtain a copy of the License at
AnnaBridge 161:aa5281ff4a02 9 *
AnnaBridge 161:aa5281ff4a02 10 * www.apache.org/licenses/LICENSE-2.0
AnnaBridge 161:aa5281ff4a02 11 *
AnnaBridge 161:aa5281ff4a02 12 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 161:aa5281ff4a02 13 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
AnnaBridge 161:aa5281ff4a02 14 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 161:aa5281ff4a02 15 * See the License for the specific language governing permissions and
AnnaBridge 161:aa5281ff4a02 16 * limitations under the License.
AnnaBridge 161:aa5281ff4a02 17 *
AnnaBridge 161:aa5281ff4a02 18 * ----------------------------------------------------------------------------
AnnaBridge 161:aa5281ff4a02 19 *
AnnaBridge 161:aa5281ff4a02 20 * $Date: 21. September 2016
AnnaBridge 161:aa5281ff4a02 21 * $Revision: V1.0
AnnaBridge 161:aa5281ff4a02 22 *
AnnaBridge 161:aa5281ff4a02 23 * Project: TrustZone for ARMv8-M
AnnaBridge 161:aa5281ff4a02 24 * Title: Context Management for ARMv8-M TrustZone
AnnaBridge 161:aa5281ff4a02 25 *
AnnaBridge 161:aa5281ff4a02 26 * Version 1.0
AnnaBridge 161:aa5281ff4a02 27 * Initial Release
AnnaBridge 161:aa5281ff4a02 28 *---------------------------------------------------------------------------*/
AnnaBridge 161:aa5281ff4a02 29
AnnaBridge 161:aa5281ff4a02 30 #ifndef TZ_CONTEXT_H
AnnaBridge 161:aa5281ff4a02 31 #define TZ_CONTEXT_H
AnnaBridge 161:aa5281ff4a02 32
AnnaBridge 161:aa5281ff4a02 33 #include <stdint.h>
AnnaBridge 161:aa5281ff4a02 34
AnnaBridge 161:aa5281ff4a02 35 #ifndef TZ_MODULEID_T
AnnaBridge 161:aa5281ff4a02 36 #define TZ_MODULEID_T
AnnaBridge 161:aa5281ff4a02 37 /// \details Data type that identifies secure software modules called by a process.
AnnaBridge 161:aa5281ff4a02 38 typedef uint32_t TZ_ModuleId_t;
AnnaBridge 161:aa5281ff4a02 39 #endif
AnnaBridge 161:aa5281ff4a02 40
AnnaBridge 161:aa5281ff4a02 41 /// \details TZ Memory ID identifies an allocated memory slot.
AnnaBridge 161:aa5281ff4a02 42 typedef uint32_t TZ_MemoryId_t;
AnnaBridge 161:aa5281ff4a02 43
AnnaBridge 161:aa5281ff4a02 44 /// Initialize secure context memory system
AnnaBridge 161:aa5281ff4a02 45 /// \return execution status (1: success, 0: error)
AnnaBridge 161:aa5281ff4a02 46 uint32_t TZ_InitContextSystem_S (void);
AnnaBridge 161:aa5281ff4a02 47
AnnaBridge 161:aa5281ff4a02 48 /// Allocate context memory for calling secure software modules in TrustZone
AnnaBridge 161:aa5281ff4a02 49 /// \param[in] module identifies software modules called from non-secure mode
AnnaBridge 161:aa5281ff4a02 50 /// \return value != 0 id TrustZone memory slot identifier
AnnaBridge 161:aa5281ff4a02 51 /// \return value 0 no memory available or internal error
AnnaBridge 161:aa5281ff4a02 52 TZ_MemoryId_t TZ_AllocModuleContext_S (TZ_ModuleId_t module);
AnnaBridge 161:aa5281ff4a02 53
AnnaBridge 161:aa5281ff4a02 54 /// Free context memory that was previously allocated with \ref TZ_AllocModuleContext_S
AnnaBridge 161:aa5281ff4a02 55 /// \param[in] id TrustZone memory slot identifier
AnnaBridge 161:aa5281ff4a02 56 /// \return execution status (1: success, 0: error)
AnnaBridge 161:aa5281ff4a02 57 uint32_t TZ_FreeModuleContext_S (TZ_MemoryId_t id);
AnnaBridge 161:aa5281ff4a02 58
AnnaBridge 161:aa5281ff4a02 59 /// Load secure context (called on RTOS thread context switch)
AnnaBridge 161:aa5281ff4a02 60 /// \param[in] id TrustZone memory slot identifier
AnnaBridge 161:aa5281ff4a02 61 /// \return execution status (1: success, 0: error)
AnnaBridge 161:aa5281ff4a02 62 uint32_t TZ_LoadContext_S (TZ_MemoryId_t id);
AnnaBridge 161:aa5281ff4a02 63
AnnaBridge 161:aa5281ff4a02 64 /// Store secure context (called on RTOS thread context switch)
AnnaBridge 161:aa5281ff4a02 65 /// \param[in] id TrustZone memory slot identifier
AnnaBridge 161:aa5281ff4a02 66 /// \return execution status (1: success, 0: error)
AnnaBridge 161:aa5281ff4a02 67 uint32_t TZ_StoreContext_S (TZ_MemoryId_t id);
AnnaBridge 161:aa5281ff4a02 68
AnnaBridge 161:aa5281ff4a02 69 #endif // TZ_CONTEXT_H