/*\r
- FreeRTOS V9.0.0 - Copyright (C) 2016 Real Time Engineers Ltd.\r
- All rights reserved\r
-\r
- VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
-\r
- This file is part of the FreeRTOS distribution.\r
-\r
- FreeRTOS is free software; you can redistribute it and/or modify it under\r
- the terms of the GNU General Public License (version 2) as published by the\r
- Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.\r
-\r
- ***************************************************************************\r
- >>! NOTE: The modification to the GPL is included to allow you to !<<\r
- >>! distribute a combined work that includes FreeRTOS without being !<<\r
- >>! obliged to provide the source code for proprietary components !<<\r
- >>! outside of the FreeRTOS kernel. !<<\r
- ***************************************************************************\r
-\r
- FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
- FOR A PARTICULAR PURPOSE. Full license text is available on the following\r
- link: http://www.freertos.org/a00114.html\r
-\r
- ***************************************************************************\r
- * *\r
- * FreeRTOS provides completely free yet professionally developed, *\r
- * robust, strictly quality controlled, supported, and cross *\r
- * platform software that is more than just the market leader, it *\r
- * is the industry's de facto standard. *\r
- * *\r
- * Help yourself get started quickly while simultaneously helping *\r
- * to support the FreeRTOS project by purchasing a FreeRTOS *\r
- * tutorial book, reference manual, or both: *\r
- * http://www.FreeRTOS.org/Documentation *\r
- * *\r
- ***************************************************************************\r
-\r
- http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading\r
- the FAQ page "My application does not run, what could be wrong?". Have you\r
- defined configASSERT()?\r
-\r
- http://www.FreeRTOS.org/support - In return for receiving this top quality\r
- embedded software for free we request you assist our global community by\r
- participating in the support forum.\r
-\r
- http://www.FreeRTOS.org/training - Investing in training allows your team to\r
- be as productive as possible as early as possible. Now you can receive\r
- FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers\r
- Ltd, and the world's leading authority on the world's leading RTOS.\r
-\r
- http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
- including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
- compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
-\r
- http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.\r
- Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.\r
-\r
- http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High\r
- Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS\r
- licenses offer ticketed support, indemnification and commercial middleware.\r
-\r
- http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
- engineered and independently SIL3 certified version for use in safety and\r
- mission critical applications that require provable dependability.\r
-\r
- 1 tab == 4 spaces!\r
-*/\r
+ * FreeRTOS Kernel V10.3.0\r
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
+ *\r
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
+ * this software and associated documentation files (the "Software"), to deal in\r
+ * the Software without restriction, including without limitation the rights to\r
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
+ * the Software, and to permit persons to whom the Software is furnished to do so,\r
+ * subject to the following conditions:\r
+ *\r
+ * The above copyright notice and this permission notice shall be included in all\r
+ * copies or substantial portions of the Software.\r
+ *\r
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
+ *\r
+ * http://www.FreeRTOS.org\r
+ * http://aws.amazon.com/freertos\r
+ *\r
+ * 1 tab == 4 spaces!\r
+ */\r
\r
\r
#ifndef PORTMACRO_H\r
#define portUSING_MPU_WRAPPERS 1\r
#define portPRIVILEGE_BIT ( 0x80000000UL )\r
\r
-#define portMPU_REGION_READ_WRITE ( 0x03UL << 24UL )\r
-#define portMPU_REGION_PRIVILEGED_READ_ONLY ( 0x05UL << 24UL )\r
-#define portMPU_REGION_READ_ONLY ( 0x06UL << 24UL )\r
-#define portMPU_REGION_PRIVILEGED_READ_WRITE ( 0x01UL << 24UL )\r
-#define portMPU_REGION_CACHEABLE_BUFFERABLE ( 0x07UL << 16UL )\r
-#define portMPU_REGION_EXECUTE_NEVER ( 0x01UL << 28UL )\r
+#define portMPU_REGION_READ_WRITE ( 0x03UL << 24UL )\r
+#define portMPU_REGION_PRIVILEGED_READ_ONLY ( 0x05UL << 24UL )\r
+#define portMPU_REGION_READ_ONLY ( 0x06UL << 24UL )\r
+#define portMPU_REGION_PRIVILEGED_READ_WRITE ( 0x01UL << 24UL )\r
+#define portMPU_REGION_PRIVILEGED_READ_WRITE_UNPRIV_READ_ONLY ( 0x02UL << 24UL )\r
+#define portMPU_REGION_CACHEABLE_BUFFERABLE ( 0x07UL << 16UL )\r
+#define portMPU_REGION_EXECUTE_NEVER ( 0x01UL << 28UL )\r
\r
#define portUNPRIVILEGED_FLASH_REGION ( 0UL )\r
#define portPRIVILEGED_FLASH_REGION ( 1UL )\r
#define portPRIVILEGED_RAM_REGION ( 2UL )\r
#define portGENERAL_PERIPHERALS_REGION ( 3UL )\r
#define portSTACK_REGION ( 4UL )\r
-#define portFIRST_CONFIGURABLE_REGION ( 5UL )\r
+#define portFIRST_CONFIGURABLE_REGION ( 5UL )\r
#define portLAST_CONFIGURABLE_REGION ( 7UL )\r
#define portNUM_CONFIGURABLE_REGIONS ( ( portLAST_CONFIGURABLE_REGION - portFIRST_CONFIGURABLE_REGION ) + 1 )\r
#define portTOTAL_NUM_REGIONS ( portNUM_CONFIGURABLE_REGIONS + 1 ) /* Plus one to make space for the stack region. */\r
#ifndef portFORCE_INLINE\r
#define portFORCE_INLINE __forceinline\r
#endif\r
+/*-----------------------------------------------------------*/\r
+\r
+extern BaseType_t xIsPrivileged( void );\r
+extern void vResetPrivilege( void );\r
+\r
+/**\r
+ * @brief Checks whether or not the processor is privileged.\r
+ *\r
+ * @return 1 if the processor is already privileged, 0 otherwise.\r
+ */\r
+#define portIS_PRIVILEGED() xIsPrivileged()\r
\r
+/**\r
+ * @brief Raise an SVC request to raise privilege.\r
+ */\r
+#define portRAISE_PRIVILEGE() __asm { svc portSVC_RAISE_PRIVILEGE }\r
+\r
+/**\r
+ * @brief Lowers the privilege level by setting the bit 0 of the CONTROL\r
+ * register.\r
+ */\r
+#define portRESET_PRIVILEGE() vResetPrivilege()\r
/*-----------------------------------------------------------*/\r
\r
static portFORCE_INLINE void vPortSetBASEPRI( uint32_t ulBASEPRI )\r
}\r
/*-----------------------------------------------------------*/\r
\r
-/* Set the privilege level to user mode if xRunningPrivileged is false. */\r
-portFORCE_INLINE static void vPortResetPrivilege( BaseType_t xRunningPrivileged )\r
-{\r
-uint32_t ulReg;\r
-\r
- if( xRunningPrivileged != pdTRUE )\r
- {\r
- __asm\r
- {\r
- mrs ulReg, control\r
- orr ulReg, #1\r
- msr control, ulReg\r
- }\r
- }\r
-}\r
+#ifndef configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY\r
+ #warning "configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY is not defined. We recommend defining it to 1 in FreeRTOSConfig.h for better security. https://www.freertos.org/FreeRTOS-V10.3.x.html"\r
+ #define configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY 0\r
+#endif\r
/*-----------------------------------------------------------*/\r
\r
-\r
#ifdef __cplusplus\r
}\r
#endif\r
projects / freertos / blobdiff