You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
312 lines
12 KiB
C
312 lines
12 KiB
C
/*
|
|
* FreeRTOS Kernel <DEVELOPMENT BRANCH>
|
|
* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
*
|
|
* 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.
|
|
*
|
|
* https://www.FreeRTOS.org
|
|
* https://github.com/FreeRTOS
|
|
*
|
|
*/
|
|
|
|
#ifndef PORTMACROCOMMON_H
|
|
#define PORTMACROCOMMON_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.
|
|
*------------------------------------------------------------------------------
|
|
*/
|
|
|
|
#ifndef configENABLE_FPU
|
|
#error configENABLE_FPU must be defined in FreeRTOSConfig.h. Set configENABLE_FPU to 1 to enable the FPU or 0 to disable the FPU.
|
|
#endif /* configENABLE_FPU */
|
|
|
|
#ifndef configENABLE_MPU
|
|
#error configENABLE_MPU must be defined in FreeRTOSConfig.h. Set configENABLE_MPU to 1 to enable the MPU or 0 to disable the MPU.
|
|
#endif /* configENABLE_MPU */
|
|
|
|
#ifndef configENABLE_TRUSTZONE
|
|
#error configENABLE_TRUSTZONE must be defined in FreeRTOSConfig.h. Set configENABLE_TRUSTZONE to 1 to enable TrustZone or 0 to disable TrustZone.
|
|
#endif /* configENABLE_TRUSTZONE */
|
|
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/**
|
|
* @brief 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
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/**
|
|
* Architecture specifics.
|
|
*/
|
|
#define portSTACK_GROWTH ( -1 )
|
|
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
|
#define portBYTE_ALIGNMENT 8
|
|
#define portNOP()
|
|
#define portINLINE __inline
|
|
#ifndef portFORCE_INLINE
|
|
#define portFORCE_INLINE inline __attribute__( ( always_inline ) )
|
|
#endif
|
|
#define portHAS_STACK_OVERFLOW_CHECKING 1
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/**
|
|
* @brief Extern declarations.
|
|
*/
|
|
extern BaseType_t xPortIsInsideInterrupt( void );
|
|
|
|
extern void vPortYield( void ) /* PRIVILEGED_FUNCTION */;
|
|
|
|
extern void vPortEnterCritical( void ) /* PRIVILEGED_FUNCTION */;
|
|
extern void vPortExitCritical( void ) /* PRIVILEGED_FUNCTION */;
|
|
|
|
extern uint32_t ulSetInterruptMask( void ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */;
|
|
extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */;
|
|
|
|
#if ( configENABLE_TRUSTZONE == 1 )
|
|
extern void vPortAllocateSecureContext( uint32_t ulSecureStackSize ); /* __attribute__ (( naked )) */
|
|
extern void vPortFreeSecureContext( uint32_t * pulTCB ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */;
|
|
#endif /* configENABLE_TRUSTZONE */
|
|
|
|
#if ( configENABLE_MPU == 1 )
|
|
extern BaseType_t xIsPrivileged( void ) /* __attribute__ (( naked )) */;
|
|
extern void vResetPrivilege( void ) /* __attribute__ (( naked )) */;
|
|
#endif /* configENABLE_MPU */
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/**
|
|
* @brief MPU specific constants.
|
|
*/
|
|
#if ( configENABLE_MPU == 1 )
|
|
#define portUSING_MPU_WRAPPERS 1
|
|
#define portPRIVILEGE_BIT ( 0x80000000UL )
|
|
#else
|
|
#define portPRIVILEGE_BIT ( 0x0UL )
|
|
#endif /* configENABLE_MPU */
|
|
|
|
/* MPU settings that can be overriden in FreeRTOSConfig.h. */
|
|
#ifndef configTOTAL_MPU_REGIONS
|
|
/* Define to 8 for backward compatibility. */
|
|
#define configTOTAL_MPU_REGIONS ( 8UL )
|
|
#endif
|
|
|
|
/* MPU regions. */
|
|
#define portPRIVILEGED_FLASH_REGION ( 0UL )
|
|
#define portUNPRIVILEGED_FLASH_REGION ( 1UL )
|
|
#define portUNPRIVILEGED_SYSCALLS_REGION ( 2UL )
|
|
#define portPRIVILEGED_RAM_REGION ( 3UL )
|
|
#define portSTACK_REGION ( 4UL )
|
|
#define portFIRST_CONFIGURABLE_REGION ( 5UL )
|
|
#define portLAST_CONFIGURABLE_REGION ( configTOTAL_MPU_REGIONS - 1UL )
|
|
#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. */
|
|
|
|
/* Device memory attributes used in MPU_MAIR registers.
|
|
*
|
|
* 8-bit values encoded as follows:
|
|
* Bit[7:4] - 0000 - Device Memory
|
|
* Bit[3:2] - 00 --> Device-nGnRnE
|
|
* 01 --> Device-nGnRE
|
|
* 10 --> Device-nGRE
|
|
* 11 --> Device-GRE
|
|
* Bit[1:0] - 00, Reserved.
|
|
*/
|
|
#define portMPU_DEVICE_MEMORY_nGnRnE ( 0x00 ) /* 0000 0000 */
|
|
#define portMPU_DEVICE_MEMORY_nGnRE ( 0x04 ) /* 0000 0100 */
|
|
#define portMPU_DEVICE_MEMORY_nGRE ( 0x08 ) /* 0000 1000 */
|
|
#define portMPU_DEVICE_MEMORY_GRE ( 0x0C ) /* 0000 1100 */
|
|
|
|
/* Normal memory attributes used in MPU_MAIR registers. */
|
|
#define portMPU_NORMAL_MEMORY_NON_CACHEABLE ( 0x44 ) /* Non-cacheable. */
|
|
#define portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE ( 0xFF ) /* Non-Transient, Write-back, Read-Allocate and Write-Allocate. */
|
|
|
|
/* Attributes used in MPU_RBAR registers. */
|
|
#define portMPU_REGION_NON_SHAREABLE ( 0UL << 3UL )
|
|
#define portMPU_REGION_INNER_SHAREABLE ( 1UL << 3UL )
|
|
#define portMPU_REGION_OUTER_SHAREABLE ( 2UL << 3UL )
|
|
|
|
#define portMPU_REGION_PRIVILEGED_READ_WRITE ( 0UL << 1UL )
|
|
#define portMPU_REGION_READ_WRITE ( 1UL << 1UL )
|
|
#define portMPU_REGION_PRIVILEGED_READ_ONLY ( 2UL << 1UL )
|
|
#define portMPU_REGION_READ_ONLY ( 3UL << 1UL )
|
|
|
|
#define portMPU_REGION_EXECUTE_NEVER ( 1UL )
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/**
|
|
* @brief Settings to define an MPU region.
|
|
*/
|
|
typedef struct MPURegionSettings
|
|
{
|
|
uint32_t ulRBAR; /**< RBAR for the region. */
|
|
uint32_t ulRLAR; /**< RLAR for the region. */
|
|
} MPURegionSettings_t;
|
|
|
|
/**
|
|
* @brief MPU settings as stored in the TCB.
|
|
*/
|
|
typedef struct MPU_SETTINGS
|
|
{
|
|
uint32_t ulMAIR0; /**< MAIR0 for the task containing attributes for all the 4 per task regions. */
|
|
MPURegionSettings_t xRegionsSettings[ portTOTAL_NUM_REGIONS ]; /**< Settings for 4 per task regions. */
|
|
} xMPU_SETTINGS;
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/**
|
|
* @brief SVC numbers.
|
|
*/
|
|
#define portSVC_ALLOCATE_SECURE_CONTEXT 0
|
|
#define portSVC_FREE_SECURE_CONTEXT 1
|
|
#define portSVC_START_SCHEDULER 2
|
|
#define portSVC_RAISE_PRIVILEGE 3
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/**
|
|
* @brief Scheduler utilities.
|
|
*/
|
|
#define portYIELD() vPortYield()
|
|
#define portNVIC_INT_CTRL_REG ( *( ( volatile uint32_t * ) 0xe000ed04 ) )
|
|
#define portNVIC_PENDSVSET_BIT ( 1UL << 28UL )
|
|
#define portEND_SWITCHING_ISR( xSwitchRequired ) do { if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT; } while( 0 )
|
|
#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/**
|
|
* @brief Critical section management.
|
|
*/
|
|
#define portSET_INTERRUPT_MASK_FROM_ISR() ulSetInterruptMask()
|
|
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( x ) vClearInterruptMask( x )
|
|
#define portENTER_CRITICAL() vPortEnterCritical()
|
|
#define portEXIT_CRITICAL() vPortExitCritical()
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/**
|
|
* @brief Tickless idle/low power functionality.
|
|
*/
|
|
#ifndef portSUPPRESS_TICKS_AND_SLEEP
|
|
extern void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime );
|
|
#define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime )
|
|
#endif
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/**
|
|
* @brief 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 )
|
|
/*-----------------------------------------------------------*/
|
|
|
|
#if ( configENABLE_TRUSTZONE == 1 )
|
|
|
|
/**
|
|
* @brief Allocate a secure context for the task.
|
|
*
|
|
* Tasks are not created with a secure context. Any task that is going to call
|
|
* secure functions must call portALLOCATE_SECURE_CONTEXT() to allocate itself a
|
|
* secure context before it calls any secure function.
|
|
*
|
|
* @param[in] ulSecureStackSize The size of the secure stack to be allocated.
|
|
*/
|
|
#define portALLOCATE_SECURE_CONTEXT( ulSecureStackSize ) vPortAllocateSecureContext( ulSecureStackSize )
|
|
|
|
/**
|
|
* @brief Called when a task is deleted to delete the task's secure context,
|
|
* if it has one.
|
|
*
|
|
* @param[in] pxTCB The TCB of the task being deleted.
|
|
*/
|
|
#define portCLEAN_UP_TCB( pxTCB ) vPortFreeSecureContext( ( uint32_t * ) pxTCB )
|
|
#endif /* configENABLE_TRUSTZONE */
|
|
/*-----------------------------------------------------------*/
|
|
|
|
#if ( configENABLE_MPU == 1 )
|
|
|
|
/**
|
|
* @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.
|
|
*
|
|
* The SVC handler checks that the SVC was raised from a system call and only
|
|
* then it raises the privilege. If this is called from any other place,
|
|
* the privilege is not raised.
|
|
*/
|
|
#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()
|
|
#else
|
|
#define portIS_PRIVILEGED()
|
|
#define portRAISE_PRIVILEGE()
|
|
#define portRESET_PRIVILEGE()
|
|
#endif /* configENABLE_MPU */
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/**
|
|
* @brief Barriers.
|
|
*/
|
|
#define portMEMORY_BARRIER() __asm volatile ( "" ::: "memory" )
|
|
/*-----------------------------------------------------------*/
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* PORTMACROCOMMON_H */
|