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Diffstat (limited to 'FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/portmacro.h')
| -rw-r--r-- | FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/portmacro.h | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/portmacro.h b/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/portmacro.h new file mode 100644 index 0000000..2ce7d12 --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/portmacro.h @@ -0,0 +1,199 @@ +/*
+ FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
+
+ ***************************************************************************
+ * *
+ * If you are: *
+ * *
+ * + New to FreeRTOS, *
+ * + Wanting to learn FreeRTOS or multitasking in general quickly *
+ * + Looking for basic training, *
+ * + Wanting to improve your FreeRTOS skills and productivity *
+ * *
+ * then take a look at the FreeRTOS books - available as PDF or paperback *
+ * *
+ * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
+ * http://www.FreeRTOS.org/Documentation *
+ * *
+ * A pdf reference manual is also available. Both are usually delivered *
+ * to your inbox within 20 minutes to two hours when purchased between 8am *
+ * and 8pm GMT (although please allow up to 24 hours in case of *
+ * exceptional circumstances). Thank you for your support! *
+ * *
+ ***************************************************************************
+
+ This file is part of the FreeRTOS distribution.
+
+ FreeRTOS is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License (version 2) as published by the
+ Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
+ ***NOTE*** The exception to the GPL is included to allow you to distribute
+ a combined work that includes FreeRTOS without being obliged to provide the
+ source code for proprietary components outside of the FreeRTOS kernel.
+ FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ more details. You should have received a copy of the GNU General Public
+ License and the FreeRTOS license exception along with FreeRTOS; if not it
+ can be viewed here: http://www.freertos.org/a00114.html and also obtained
+ by writing to Richard Barry, contact details for whom are available on the
+ FreeRTOS WEB site.
+
+ 1 tab == 4 spaces!
+
+ http://www.FreeRTOS.org - Documentation, latest information, license and
+ contact details.
+
+ http://www.SafeRTOS.com - A version that is certified for use in safety
+ critical systems.
+
+ http://www.OpenRTOS.com - Commercial support, development, porting,
+ licensing and training services.
+*/
+
+
+#ifndef PORTMACRO_H
+#define PORTMACRO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*-----------------------------------------------------------
+ * Port specific definitions.
+ *
+ * The settings in this file configure FreeRTOS correctly for the
+ * given hardware and compiler.
+ *
+ * These settings should not be altered.
+ *-----------------------------------------------------------
+ */
+
+/* Type definitions. */
+#define portCHAR char
+#define portFLOAT float
+#define portDOUBLE double
+#define portLONG long
+#define portSHORT short
+#define portSTACK_TYPE unsigned portLONG
+#define portBASE_TYPE long
+
+#if( configUSE_16_BIT_TICKS == 1 )
+ typedef unsigned portSHORT portTickType;
+ #define portMAX_DELAY ( portTickType ) 0xffff
+#else
+ typedef unsigned portLONG portTickType;
+ #define portMAX_DELAY ( portTickType ) 0xffffffff
+#endif
+/*-----------------------------------------------------------*/
+
+/* MPU specific constants. */
+#define portUSING_MPU_WRAPPERS 1
+#define portPRIVILEGE_BIT ( 0x80000000UL )
+
+#define portMPU_REGION_READ_WRITE ( 0x03UL << 24UL )
+#define portMPU_REGION_PRIVILEGED_READ_ONLY ( 0x05UL << 24UL )
+#define portMPU_REGION_READ_ONLY ( 0x06UL << 24UL )
+#define portMPU_REGION_PRIVILEGED_READ_WRITE ( 0x01UL << 24UL )
+#define portMPU_REGION_CACHEABLE_BUFFERABLE ( 0x07UL << 16UL )
+#define portMPU_REGION_EXECUTE_NEVER ( 0x01UL << 28UL )
+
+#define portUNPRIVILEGED_FLASH_REGION ( 0UL )
+#define portPRIVILEGED_FLASH_REGION ( 1UL )
+#define portPRIVILEGED_RAM_REGION ( 2UL )
+#define portGENERAL_PERIPHERALS_REGION ( 3UL )
+#define portSTACK_REGION ( 4UL )
+#define portFIRST_CONFIGURABLE_REGION ( 5UL )
+#define portLAST_CONFIGURABLE_REGION ( 7UL )
+#define portNUM_CONFIGURABLE_REGIONS ( ( portLAST_CONFIGURABLE_REGION - portFIRST_CONFIGURABLE_REGION ) + 1 )
+#define portTOTAL_NUM_REGIONS ( portNUM_CONFIGURABLE_REGIONS + 1 ) /* Plus one to make space for the stack region. */
+
+#define portSWITCH_TO_USER_MODE() __asm volatile ( " mrs r0, control \n orr r0, #1 \n msr control, r0 " :::"r0" )
+
+typedef struct MPU_REGION_REGISTERS
+{
+ unsigned portLONG ulRegionBaseAddress;
+ unsigned portLONG ulRegionAttribute;
+} xMPU_REGION_REGISTERS;
+
+/* Plus 1 to create space for the stack region. */
+typedef struct MPU_SETTINGS
+{
+ xMPU_REGION_REGISTERS xRegion[ portTOTAL_NUM_REGIONS ];
+} xMPU_SETTINGS;
+
+/* Architecture specifics. */
+#define portSTACK_GROWTH ( -1 )
+#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
+#define portBYTE_ALIGNMENT 8
+/*-----------------------------------------------------------*/
+
+/* SVC numbers for various services. */
+#define portSVC_START_SCHEDULER 0
+#define portSVC_YIELD 1
+#define portSVC_RAISE_PRIVILEGE 2
+
+/* Scheduler utilities. */
+
+#define portYIELD() __asm volatile ( " SVC %0 \n" :: "i" (portSVC_YIELD) )
+#define portYIELD_WITHIN_API() *(portNVIC_INT_CTRL) = portNVIC_PENDSVSET
+
+#define portNVIC_INT_CTRL ( ( volatile unsigned portLONG *) 0xe000ed04 )
+#define portNVIC_PENDSVSET 0x10000000
+#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) *(portNVIC_INT_CTRL) = portNVIC_PENDSVSET
+/*-----------------------------------------------------------*/
+
+
+/* Critical section management. */
+
+/*
+ * Set basepri to portMAX_SYSCALL_INTERRUPT_PRIORITY without effecting other
+ * registers. r0 is clobbered.
+ */
+#define portSET_INTERRUPT_MASK() \
+ __asm volatile \
+ ( \
+ " mov r0, %0 \n" \
+ " msr basepri, r0 \n" \
+ ::"i"(configMAX_SYSCALL_INTERRUPT_PRIORITY):"r0" \
+ )
+
+/*
+ * Set basepri back to 0 without effective other registers.
+ * r0 is clobbered.
+ */
+#define portCLEAR_INTERRUPT_MASK() \
+ __asm volatile \
+ ( \
+ " mov r0, #0 \n" \
+ " msr basepri, r0 \n" \
+ :::"r0" \
+ )
+
+#define portSET_INTERRUPT_MASK_FROM_ISR() 0;portSET_INTERRUPT_MASK()
+#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) portCLEAR_INTERRUPT_MASK();(void)x
+
+
+extern void vPortEnterCritical( void );
+extern void vPortExitCritical( void );
+
+#define portDISABLE_INTERRUPTS() portSET_INTERRUPT_MASK()
+#define portENABLE_INTERRUPTS() portCLEAR_INTERRUPT_MASK()
+#define portENTER_CRITICAL() vPortEnterCritical()
+#define portEXIT_CRITICAL() vPortExitCritical()
+/*-----------------------------------------------------------*/
+
+/* Task function macros as described on the FreeRTOS.org WEB site. */
+#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
+#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
+
+#define portNOP()
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PORTMACRO_H */
+
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