Gan likun / mbed1-dev

001

cmsis/tz_context.h@0:13413ea9a877, 2022-06-12 (annotated)

Committer:
ganlikun
Date:
Sun Jun 12 14:02:44 2022 +0000
Revision:
0:13413ea9a877
00

Who changed what in which revision?

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ganlikun 0:13413ea9a877 1 /*
ganlikun 0:13413ea9a877 2 * Copyright (c) 2015-2016 ARM Limited. All rights reserved.
ganlikun 0:13413ea9a877 3 *
ganlikun 0:13413ea9a877 4 * SPDX-License-Identifier: Apache-2.0
ganlikun 0:13413ea9a877 5 *
ganlikun 0:13413ea9a877 6 * Licensed under the Apache License, Version 2.0 (the License); you may
ganlikun 0:13413ea9a877 7 * not use this file except in compliance with the License.
ganlikun 0:13413ea9a877 8 * You may obtain a copy of the License at
ganlikun 0:13413ea9a877 9 *
ganlikun 0:13413ea9a877 10 * www.apache.org/licenses/LICENSE-2.0
ganlikun 0:13413ea9a877 11 *
ganlikun 0:13413ea9a877 12 * Unless required by applicable law or agreed to in writing, software
ganlikun 0:13413ea9a877 13 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
ganlikun 0:13413ea9a877 14 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ganlikun 0:13413ea9a877 15 * See the License for the specific language governing permissions and
ganlikun 0:13413ea9a877 16 * limitations under the License.
ganlikun 0:13413ea9a877 17 *
ganlikun 0:13413ea9a877 18 * ----------------------------------------------------------------------------
ganlikun 0:13413ea9a877 19 *
ganlikun 0:13413ea9a877 20 * $Date: 21. September 2016
ganlikun 0:13413ea9a877 21 * $Revision: V1.0
ganlikun 0:13413ea9a877 22 *
ganlikun 0:13413ea9a877 23 * Project: TrustZone for ARMv8-M
ganlikun 0:13413ea9a877 24 * Title: Context Management for ARMv8-M TrustZone
ganlikun 0:13413ea9a877 25 *
ganlikun 0:13413ea9a877 26 * Version 1.0
ganlikun 0:13413ea9a877 27 * Initial Release
ganlikun 0:13413ea9a877 28 *---------------------------------------------------------------------------*/
ganlikun 0:13413ea9a877 29
ganlikun 0:13413ea9a877 30 #ifndef TZ_CONTEXT_H
ganlikun 0:13413ea9a877 31 #define TZ_CONTEXT_H
ganlikun 0:13413ea9a877 32
ganlikun 0:13413ea9a877 33 #include <stdint.h>
ganlikun 0:13413ea9a877 34
ganlikun 0:13413ea9a877 35 #ifndef TZ_MODULEID_T
ganlikun 0:13413ea9a877 36 #define TZ_MODULEID_T
ganlikun 0:13413ea9a877 37 /// \details Data type that identifies secure software modules called by a process.
ganlikun 0:13413ea9a877 38 typedef uint32_t TZ_ModuleId_t;
ganlikun 0:13413ea9a877 39 #endif
ganlikun 0:13413ea9a877 40
ganlikun 0:13413ea9a877 41 /// \details TZ Memory ID identifies an allocated memory slot.
ganlikun 0:13413ea9a877 42 typedef uint32_t TZ_MemoryId_t;
ganlikun 0:13413ea9a877 43
ganlikun 0:13413ea9a877 44 /// Initialize secure context memory system
ganlikun 0:13413ea9a877 45 /// \return execution status (1: success, 0: error)
ganlikun 0:13413ea9a877 46 uint32_t TZ_InitContextSystem_S (void);
ganlikun 0:13413ea9a877 47
ganlikun 0:13413ea9a877 48 /// Allocate context memory for calling secure software modules in TrustZone
ganlikun 0:13413ea9a877 49 /// \param[in] module identifies software modules called from non-secure mode
ganlikun 0:13413ea9a877 50 /// \return value != 0 id TrustZone memory slot identifier
ganlikun 0:13413ea9a877 51 /// \return value 0 no memory available or internal error
ganlikun 0:13413ea9a877 52 TZ_MemoryId_t TZ_AllocModuleContext_S (TZ_ModuleId_t module);
ganlikun 0:13413ea9a877 53
ganlikun 0:13413ea9a877 54 /// Free context memory that was previously allocated with \ref TZ_AllocModuleContext_S
ganlikun 0:13413ea9a877 55 /// \param[in] id TrustZone memory slot identifier
ganlikun 0:13413ea9a877 56 /// \return execution status (1: success, 0: error)
ganlikun 0:13413ea9a877 57 uint32_t TZ_FreeModuleContext_S (TZ_MemoryId_t id);
ganlikun 0:13413ea9a877 58
ganlikun 0:13413ea9a877 59 /// Load secure context (called on RTOS thread context switch)
ganlikun 0:13413ea9a877 60 /// \param[in] id TrustZone memory slot identifier
ganlikun 0:13413ea9a877 61 /// \return execution status (1: success, 0: error)
ganlikun 0:13413ea9a877 62 uint32_t TZ_LoadContext_S (TZ_MemoryId_t id);
ganlikun 0:13413ea9a877 63
ganlikun 0:13413ea9a877 64 /// Store secure context (called on RTOS thread context switch)
ganlikun 0:13413ea9a877 65 /// \param[in] id TrustZone memory slot identifier
ganlikun 0:13413ea9a877 66 /// \return execution status (1: success, 0: error)
ganlikun 0:13413ea9a877 67 uint32_t TZ_StoreContext_S (TZ_MemoryId_t id);
ganlikun 0:13413ea9a877 68
ganlikun 0:13413ea9a877 69 #endif // TZ_CONTEXT_H
ganlikun 0:13413ea9a877 70