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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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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_SAKURAIO_EVB_01/tz_context.h@160:5571c4ff569f, 2018-01-17 (annotated)

Committer:
Anna Bridge
Date:
Wed Jan 17 16:13:02 2018 +0000
Revision:
160:5571c4ff569f
Child:
169:a7c7b631e539
mbed library. Release version 158

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Anna Bridge 160:5571c4ff569f 1 /*
Anna Bridge 160:5571c4ff569f 2 * Copyright (c) 2015-2016 ARM Limited. All rights reserved.
Anna Bridge 160:5571c4ff569f 3 *
Anna Bridge 160:5571c4ff569f 4 * SPDX-License-Identifier: Apache-2.0
Anna Bridge 160:5571c4ff569f 5 *
Anna Bridge 160:5571c4ff569f 6 * Licensed under the Apache License, Version 2.0 (the License); you may
Anna Bridge 160:5571c4ff569f 7 * not use this file except in compliance with the License.
Anna Bridge 160:5571c4ff569f 8 * You may obtain a copy of the License at
Anna Bridge 160:5571c4ff569f 9 *
Anna Bridge 160:5571c4ff569f 10 * www.apache.org/licenses/LICENSE-2.0
Anna Bridge 160:5571c4ff569f 11 *
Anna Bridge 160:5571c4ff569f 12 * Unless required by applicable law or agreed to in writing, software
Anna Bridge 160:5571c4ff569f 13 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
Anna Bridge 160:5571c4ff569f 14 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Anna Bridge 160:5571c4ff569f 15 * See the License for the specific language governing permissions and
Anna Bridge 160:5571c4ff569f 16 * limitations under the License.
Anna Bridge 160:5571c4ff569f 17 *
Anna Bridge 160:5571c4ff569f 18 * ----------------------------------------------------------------------------
Anna Bridge 160:5571c4ff569f 19 *
Anna Bridge 160:5571c4ff569f 20 * $Date: 21. September 2016
Anna Bridge 160:5571c4ff569f 21 * $Revision: V1.0
Anna Bridge 160:5571c4ff569f 22 *
Anna Bridge 160:5571c4ff569f 23 * Project: TrustZone for ARMv8-M
Anna Bridge 160:5571c4ff569f 24 * Title: Context Management for ARMv8-M TrustZone
Anna Bridge 160:5571c4ff569f 25 *
Anna Bridge 160:5571c4ff569f 26 * Version 1.0
Anna Bridge 160:5571c4ff569f 27 * Initial Release
Anna Bridge 160:5571c4ff569f 28 *---------------------------------------------------------------------------*/
Anna Bridge 160:5571c4ff569f 29
Anna Bridge 160:5571c4ff569f 30 #ifndef TZ_CONTEXT_H
Anna Bridge 160:5571c4ff569f 31 #define TZ_CONTEXT_H
Anna Bridge 160:5571c4ff569f 32
Anna Bridge 160:5571c4ff569f 33 #include <stdint.h>
Anna Bridge 160:5571c4ff569f 34
Anna Bridge 160:5571c4ff569f 35 #ifndef TZ_MODULEID_T
Anna Bridge 160:5571c4ff569f 36 #define TZ_MODULEID_T
Anna Bridge 160:5571c4ff569f 37 /// \details Data type that identifies secure software modules called by a process.
Anna Bridge 160:5571c4ff569f 38 typedef uint32_t TZ_ModuleId_t;
Anna Bridge 160:5571c4ff569f 39 #endif
Anna Bridge 160:5571c4ff569f 40
Anna Bridge 160:5571c4ff569f 41 /// \details TZ Memory ID identifies an allocated memory slot.
Anna Bridge 160:5571c4ff569f 42 typedef uint32_t TZ_MemoryId_t;
Anna Bridge 160:5571c4ff569f 43
Anna Bridge 160:5571c4ff569f 44 /// Initialize secure context memory system
Anna Bridge 160:5571c4ff569f 45 /// \return execution status (1: success, 0: error)
Anna Bridge 160:5571c4ff569f 46 uint32_t TZ_InitContextSystem_S (void);
Anna Bridge 160:5571c4ff569f 47
Anna Bridge 160:5571c4ff569f 48 /// Allocate context memory for calling secure software modules in TrustZone
Anna Bridge 160:5571c4ff569f 49 /// \param[in] module identifies software modules called from non-secure mode
Anna Bridge 160:5571c4ff569f 50 /// \return value != 0 id TrustZone memory slot identifier
Anna Bridge 160:5571c4ff569f 51 /// \return value 0 no memory available or internal error
Anna Bridge 160:5571c4ff569f 52 TZ_MemoryId_t TZ_AllocModuleContext_S (TZ_ModuleId_t module);
Anna Bridge 160:5571c4ff569f 53
Anna Bridge 160:5571c4ff569f 54 /// Free context memory that was previously allocated with \ref TZ_AllocModuleContext_S
Anna Bridge 160:5571c4ff569f 55 /// \param[in] id TrustZone memory slot identifier
Anna Bridge 160:5571c4ff569f 56 /// \return execution status (1: success, 0: error)
Anna Bridge 160:5571c4ff569f 57 uint32_t TZ_FreeModuleContext_S (TZ_MemoryId_t id);
Anna Bridge 160:5571c4ff569f 58
Anna Bridge 160:5571c4ff569f 59 /// Load secure context (called on RTOS thread context switch)
Anna Bridge 160:5571c4ff569f 60 /// \param[in] id TrustZone memory slot identifier
Anna Bridge 160:5571c4ff569f 61 /// \return execution status (1: success, 0: error)
Anna Bridge 160:5571c4ff569f 62 uint32_t TZ_LoadContext_S (TZ_MemoryId_t id);
Anna Bridge 160:5571c4ff569f 63
Anna Bridge 160:5571c4ff569f 64 /// Store secure context (called on RTOS thread context switch)
Anna Bridge 160:5571c4ff569f 65 /// \param[in] id TrustZone memory slot identifier
Anna Bridge 160:5571c4ff569f 66 /// \return execution status (1: success, 0: error)
Anna Bridge 160:5571c4ff569f 67 uint32_t TZ_StoreContext_S (TZ_MemoryId_t id);
Anna Bridge 160:5571c4ff569f 68
Anna Bridge 160:5571c4ff569f 69 #endif // TZ_CONTEXT_H