| /* |
| * FreeRTOS Kernel V10.3.1 |
| * Portion Copyright © 2020 STMicroelectronics International N.V. All rights reserved. |
| * Copyright (C) 2020 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 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. |
| *----------------------------------------------------------- |
| */ |
| |
| /* IAR includes. */ |
| #include <intrinsics.h> |
| |
| /* Type definitions. */ |
| #define portCHAR char |
| #define portFLOAT float |
| #define portDOUBLE double |
| #define portLONG long |
| #define portSHORT short |
| #define portSTACK_TYPE uint32_t |
| #define portBASE_TYPE long |
| |
| typedef portSTACK_TYPE StackType_t; |
| typedef long BaseType_t; |
| typedef unsigned long UBaseType_t; |
| |
| #if( configUSE_16_BIT_TICKS == 1 ) |
| typedef uint16_t TickType_t; |
| #define portMAX_DELAY ( TickType_t ) 0xffff |
| #else |
| typedef uint32_t TickType_t; |
| #define portMAX_DELAY ( TickType_t ) 0xffffffffUL |
| |
| /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do |
| not need to be guarded with a critical section. */ |
| #define portTICK_TYPE_IS_ATOMIC 1 |
| #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_PRIVILEGED_READ_WRITE_UNPRIV_READ_ONLY ( 0x02UL << 24UL ) |
| #define portMPU_REGION_CACHEABLE_BUFFERABLE ( 0x03UL << 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, r0, #1 \n msr control, r0 " ::: "r0", "memory" ) |
| |
| typedef struct MPU_REGION_REGISTERS |
| { |
| uint32_t ulRegionBaseAddress; |
| uint32_t 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_PERIOD_MS ( ( TickType_t ) 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) : "memory" ) |
| #define portYIELD_WITHIN_API() \ |
| { \ |
| /* Set a PendSV to request a context switch. */ \ |
| portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT; \ |
| __DSB(); \ |
| __ISB(); \ |
| } |
| |
| #define portNVIC_INT_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed04 ) ) |
| #define portNVIC_PENDSVSET_BIT ( 1UL << 28UL ) |
| #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired != pdFALSE ) portYIELD_WITHIN_API() |
| #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) |
| /*-----------------------------------------------------------*/ |
| |
| /* Architecture specific optimisations. */ |
| #ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION |
| #define configUSE_PORT_OPTIMISED_TASK_SELECTION 1 |
| #endif |
| |
| #if( configUSE_PORT_OPTIMISED_TASK_SELECTION == 1 ) |
| |
| /* Check the configuration. */ |
| #if( configMAX_PRIORITIES > 32 ) |
| #error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice. |
| #endif |
| |
| /* Store/clear the ready priorities in a bit map. */ |
| #define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) ) |
| #define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) ) |
| |
| /*-----------------------------------------------------------*/ |
| |
| #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - ( ( uint32_t ) __CLZ( ( uxReadyPriorities ) ) ) ) |
| |
| #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */ |
| /*-----------------------------------------------------------*/ |
| |
| /* Critical section management. */ |
| extern void vPortEnterCritical( void ); |
| extern void vPortExitCritical( void ); |
| |
| #define portDISABLE_INTERRUPTS() \ |
| { \ |
| __disable_interrupt(); \ |
| __set_BASEPRI( configMAX_SYSCALL_INTERRUPT_PRIORITY ); \ |
| __DSB(); \ |
| __ISB(); \ |
| __enable_interrupt(); \ |
| } |
| |
| #define portENABLE_INTERRUPTS() __set_BASEPRI( 0 ) |
| #define portENTER_CRITICAL() vPortEnterCritical() |
| #define portEXIT_CRITICAL() vPortExitCritical() |
| #define portSET_INTERRUPT_MASK_FROM_ISR() __get_BASEPRI(); portDISABLE_INTERRUPTS() |
| #define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) __set_BASEPRI( x ) |
| /*-----------------------------------------------------------*/ |
| |
| /* Task function macros as described on the FreeRTOS.org WEB site. These are |
| not necessary for to use this port. They are defined so the common demo files |
| (which build with all the ports) will build. */ |
| #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) |
| #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters ) |
| /*-----------------------------------------------------------*/ |
| |
| #ifdef configASSERT |
| void vPortValidateInterruptPriority( void ); |
| #define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() vPortValidateInterruptPriority() |
| #endif |
| |
| /* portNOP() is not required by this port. */ |
| #define portNOP() |
| |
| #define portINLINE __inline |
| |
| #ifndef portFORCE_INLINE |
| #define portFORCE_INLINE inline __attribute__(( always_inline)) |
| #endif |
| |
| /*-----------------------------------------------------------*/ |
| |
| portFORCE_INLINE static BaseType_t xPortIsInsideInterrupt( void ) |
| { |
| uint32_t ulCurrentInterrupt; |
| BaseType_t xReturn; |
| |
| /* Obtain the number of the currently executing interrupt. */ |
| __asm volatile( "mrs %0, ipsr" : "=r"( ulCurrentInterrupt ) :: "memory" ); |
| |
| if( ulCurrentInterrupt == 0 ) |
| { |
| xReturn = pdFALSE; |
| } |
| else |
| { |
| xReturn = pdTRUE; |
| } |
| |
| return xReturn; |
| } |
| |
| |
| /*-----------------------------------------------------------*/ |
| |
| extern BaseType_t xIsPrivileged( void ); |
| extern void vResetPrivilege( void ); |
| |
| /** |
| * @brief Checks whether or not the processor is privileged. |
| * |
| * @return 1 if the processor is already privileged, 0 otherwise. |
| */ |
| #define portIS_PRIVILEGED() xIsPrivileged() |
| |
| /** |
| * @brief Raise an SVC request to raise privilege. |
| */ |
| #define portRAISE_PRIVILEGE() __asm volatile ( "svc %0 \n" :: "i" ( portSVC_RAISE_PRIVILEGE ) : "memory" ); |
| |
| /** |
| * @brief Lowers the privilege level by setting the bit 0 of the CONTROL |
| * register. |
| */ |
| #define portRESET_PRIVILEGE() vResetPrivilege() |
| /*-----------------------------------------------------------*/ |
| |
| #ifndef configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY |
| #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" |
| #define configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY 0 |
| #endif |
| /*-----------------------------------------------------------*/ |
| |
| /* Suppress warnings that are generated by the IAR tools, but cannot be fixed in |
| the source code because to do so would cause other compilers to generate |
| warnings. */ |
| #pragma diag_suppress=Pe191 |
| #pragma diag_suppress=Pa082 |
| #pragma diag_suppress=Be006 |
| /*-----------------------------------------------------------*/ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* PORTMACRO_H */ |
| |