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author | Ali Labbene <ali.labbene@st.com> | 2019-12-11 08:59:21 +0100 |
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committer | Ali Labbene <ali.labbene@st.com> | 2019-12-16 16:35:24 +0100 |
commit | e2fd8448cfaf68d2b29f3602a0608054b1d4ee4c (patch) | |
tree | 5052b4f15970fcf822ebb290c3cb939e28452d36 /tz_context.h | |
parent | fbb3d05ee030039ba227b12d9d096b269721e907 (diff) | |
download | st-cmsis-core-lowfat-e2fd8448cfaf68d2b29f3602a0608054b1d4ee4c.tar.gz st-cmsis-core-lowfat-e2fd8448cfaf68d2b29f3602a0608054b1d4ee4c.tar.bz2 st-cmsis-core-lowfat-e2fd8448cfaf68d2b29f3602a0608054b1d4ee4c.zip |
Official ARM version: v5.4.0
Add CMSIS V5.4.0, please refer to index.html available under \docs folder.
Note: content of \CMSIS\Core\Include has been copied under \Include to keep the same structure
used in existing projects, and thus avoid projects mass update
Note: the following components have been removed from ARM original delivery (as not used in ST packages)
- CMSIS_EW2018.pdf
- .gitattributes
- .gitignore
- \Device
- \CMSIS
- \CoreValidation
- \DAP
- \Documentation
- \DoxyGen
- \Driver
- \Pack
- \RTOS\CMSIS_RTOS_Tutorial.pdf
- \RTOS\RTX
- \RTOS\Template
- \RTOS2\RTX
- \Utilities
- All ARM/GCC projects files are deleted from \DSP, \RTOS and \RTOS2
Change-Id: Ia026c3f0f0d016627a4fb5a9032852c33d24b4d3
Diffstat (limited to 'tz_context.h')
-rw-r--r-- | tz_context.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/tz_context.h b/tz_context.h new file mode 100644 index 0000000..0d09749 --- /dev/null +++ b/tz_context.h @@ -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 |