summaryrefslogtreecommitdiff
path: root/fw/cdc-dials/Drivers/CMSIS/Core/Include/tz_context.h
diff options
context:
space:
mode:
authorjaseg <git@jaseg.net>2020-10-14 12:49:08 +0200
committerjaseg <git@jaseg.net>2020-10-14 12:49:08 +0200
commit3559d845d29272050d4d44e18e0bb84e676e48ff (patch)
treed8d6ce99e40b1a3745d76f0c9aac2f10e7286481 /fw/cdc-dials/Drivers/CMSIS/Core/Include/tz_context.h
parent491b2acaaa9db1798445f3e174e68ada7424fc33 (diff)
parent6ab94e0b318884bbcb95e2ea3835f951502e1d99 (diff)
downloadminikbd-3559d845d29272050d4d44e18e0bb84e676e48ff.tar.gz
minikbd-3559d845d29272050d4d44e18e0bb84e676e48ff.tar.bz2
minikbd-3559d845d29272050d4d44e18e0bb84e676e48ff.zip
Merge firmware and pcb repos
Diffstat (limited to 'fw/cdc-dials/Drivers/CMSIS/Core/Include/tz_context.h')
-rw-r--r--fw/cdc-dials/Drivers/CMSIS/Core/Include/tz_context.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/fw/cdc-dials/Drivers/CMSIS/Core/Include/tz_context.h b/fw/cdc-dials/Drivers/CMSIS/Core/Include/tz_context.h
new file mode 100644
index 0000000..d4c1474
--- /dev/null
+++ b/fw/cdc-dials/Drivers/CMSIS/Core/Include/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