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Diffstat (limited to 'Middlewares/Third_Party/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context.h')
-rw-r--r--Middlewares/Third_Party/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context.h111
1 files changed, 111 insertions, 0 deletions
diff --git a/Middlewares/Third_Party/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context.h b/Middlewares/Third_Party/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context.h
new file mode 100644
index 000000000..e148bff8e
--- /dev/null
+++ b/Middlewares/Third_Party/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context.h
@@ -0,0 +1,111 @@
+/*
+ * FreeRTOS Kernel V10.2.1
+ * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ *
+ * 1 tab == 4 spaces!
+ */
+
+#ifndef __SECURE_CONTEXT_H__
+#define __SECURE_CONTEXT_H__
+
+/* Standard includes. */
+#include <stdint.h>
+
+/* FreeRTOS includes. */
+#include "FreeRTOSConfig.h"
+
+/**
+ * @brief PSP value when no task's context is loaded.
+ */
+#define securecontextNO_STACK 0x0
+
+/**
+ * @brief Opaque handle.
+ */
+struct SecureContext;
+typedef struct SecureContext* SecureContextHandle_t;
+/*-----------------------------------------------------------*/
+
+/**
+ * @brief Initializes the secure context management system.
+ *
+ * PSP is set to NULL and therefore a task must allocate and load a context
+ * before calling any secure side function in the thread mode.
+ *
+ * @note This function must be called in the handler mode. It is no-op if called
+ * in the thread mode.
+ */
+void SecureContext_Init( void );
+
+/**
+ * @brief Allocates a context on the secure side.
+ *
+ * @note This function must be called in the handler mode. It is no-op if called
+ * in the thread mode.
+ *
+ * @param[in] ulSecureStackSize Size of the stack to allocate on secure side.
+ * @param[in] ulIsTaskPrivileged 1 if the calling task is privileged, 0 otherwise.
+ *
+ * @return Opaque context handle if context is successfully allocated, NULL
+ * otherwise.
+ */
+#if( configENABLE_MPU == 1 )
+ SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize, uint32_t ulIsTaskPrivileged );
+#else /* configENABLE_MPU */
+ SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize );
+#endif /* configENABLE_MPU */
+
+/**
+ * @brief Frees the given context.
+ *
+ * @note This function must be called in the handler mode. It is no-op if called
+ * in the thread mode.
+ *
+ * @param[in] xSecureContextHandle Context handle corresponding to the
+ * context to be freed.
+ */
+void SecureContext_FreeContext( SecureContextHandle_t xSecureContextHandle );
+
+/**
+ * @brief Loads the given context.
+ *
+ * @note This function must be called in the handler mode. It is no-op if called
+ * in the thread mode.
+ *
+ * @param[in] xSecureContextHandle Context handle corresponding to the context
+ * to be loaded.
+ */
+void SecureContext_LoadContext( SecureContextHandle_t xSecureContextHandle );
+
+/**
+ * @brief Saves the given context.
+ *
+ * @note This function must be called in the handler mode. It is no-op if called
+ * in the thread mode.
+ *
+ * @param[in] xSecureContextHandle Context handle corresponding to the context
+ * to be saved.
+ */
+void SecureContext_SaveContext( SecureContextHandle_t xSecureContextHandle );
+
+#endif /* __SECURE_CONTEXT_H__ */