| /* | |
| * FreeRTOS Kernel V10.3.1 | |
| * 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 | |
| * | |
| */ | |
| #ifndef PORTMACRO_H | |
| #define PORTMACRO_H | |
| #include "intrinsics.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. */ | |
| #if __riscv_xlen == 64 | |
| #define portSTACK_TYPE uint64_t | |
| #define portBASE_TYPE int64_t | |
| #define portUBASE_TYPE uint64_t | |
| #define portMAX_DELAY ( TickType_t ) 0xffffffffffffffffUL | |
| #define portPOINTER_SIZE_TYPE uint64_t | |
| #elif __riscv_xlen == 32 | |
| #define portSTACK_TYPE uint32_t | |
| #define portBASE_TYPE int32_t | |
| #define portUBASE_TYPE uint32_t | |
| #define portMAX_DELAY ( TickType_t ) 0xffffffffUL | |
| #else /* if __riscv_xlen == 64 */ | |
| #error Assembler did not define __riscv_xlen | |
| #endif /* if __riscv_xlen == 64 */ | |
| typedef portSTACK_TYPE StackType_t; | |
| typedef portBASE_TYPE BaseType_t; | |
| typedef portUBASE_TYPE UBaseType_t; | |
| typedef portUBASE_TYPE TickType_t; | |
| /* Legacy type definitions. */ | |
| #define portCHAR char | |
| #define portFLOAT float | |
| #define portDOUBLE double | |
| #define portLONG long | |
| #define portSHORT short | |
| /* 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 | |
| /*-----------------------------------------------------------*/ | |
| /* Architecture specifics. */ | |
| #define portSTACK_GROWTH ( -1 ) | |
| #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) | |
| #ifdef __riscv64 | |
| #error This is the RV32 port that has not yet been adapted for 64. | |
| #define portBYTE_ALIGNMENT 16 | |
| #else | |
| #define portBYTE_ALIGNMENT 16 | |
| #endif | |
| /*-----------------------------------------------------------*/ | |
| /* Scheduler utilities. */ | |
| extern void vTaskSwitchContext( void ); | |
| #define portYIELD() __asm volatile ( "ecall" ); | |
| #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) vTaskSwitchContext() | |
| #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) | |
| /*-----------------------------------------------------------*/ | |
| /* Critical section management. */ | |
| #define portCRITICAL_NESTING_IN_TCB 1 | |
| extern void vTaskEnterCritical( void ); | |
| extern void vTaskExitCritical( void ); | |
| #define portSET_INTERRUPT_MASK_FROM_ISR() 0 | |
| #define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusValue ) ( void ) uxSavedStatusValue | |
| #define portDISABLE_INTERRUPTS() __disable_interrupt() | |
| #define portENABLE_INTERRUPTS() __enable_interrupt() | |
| #define portENTER_CRITICAL() vTaskEnterCritical() | |
| #define portEXIT_CRITICAL() vTaskExitCritical() | |
| /*-----------------------------------------------------------*/ | |
| /* Architecture specific optimisations. */ | |
| #if ( configUSE_PORT_OPTIMISED_TASK_SELECTION == 1 ) | |
| #error configUSE_PORT_OPTIMISED_TASK_SELECTION cannot yet be used in the IAR RISC-V port, the CLZ instruction needs to be emulated. | |
| #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */ | |
| /*-----------------------------------------------------------*/ | |
| /* 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 ) | |
| /*-----------------------------------------------------------*/ | |
| #define portNOP() __asm volatile ( " nop " ) | |
| #define portINLINE __inline | |
| #ifndef portFORCE_INLINE | |
| #define portFORCE_INLINE inline __attribute__( ( always_inline ) ) | |
| #endif | |
| #define portMEMORY_BARRIER() __asm volatile ( "" ::: "memory" ) | |
| /* 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=Pa082 | |
| /* configCLINT_BASE_ADDRESS is a legacy definition that was replaced by the | |
| * configMTIME_BASE_ADDRESS and configMTIMECMP_BASE_ADDRESS definitions. For | |
| * backward compatibility derive the newer definitions from the old if the old | |
| * definition is found. */ | |
| #if defined( configCLINT_BASE_ADDRESS ) && !defined( configMTIME_BASE_ADDRESS ) && ( configCLINT_BASE_ADDRESS == 0 ) | |
| /* Legacy case where configCLINT_BASE_ADDRESS was defined as 0 to indicate | |
| * there was no CLINT. Equivalent now is to set the MTIME and MTIMECMP | |
| * addresses to 0. */ | |
| #define configMTIME_BASE_ADDRESS ( 0 ) | |
| #define configMTIMECMP_BASE_ADDRESS ( 0 ) | |
| #elif defined( configCLINT_BASE_ADDRESS ) && !defined( configMTIME_BASE_ADDRESS ) | |
| /* Legacy case where configCLINT_BASE_ADDRESS was set to the base address of | |
| * the CLINT. Equivalent now is to derive the MTIME and MTIMECMP addresses | |
| * from the CLINT address. */ | |
| #define configMTIME_BASE_ADDRESS ( ( configCLINT_BASE_ADDRESS ) + 0xBFF8UL ) | |
| #define configMTIMECMP_BASE_ADDRESS ( ( configCLINT_BASE_ADDRESS ) + 0x4000UL ) | |
| #elif !defined( configMTIME_BASE_ADDRESS ) || !defined( configMTIMECMP_BASE_ADDRESS ) | |
| #error configMTIME_BASE_ADDRESS and configMTIMECMP_BASE_ADDRESS must be defined in FreeRTOSConfig.h. Set them to zero if there is no MTIME (machine time) clock. See https: /*www.freertos.org/Using-FreeRTOS-on-RISC-V.html */ | |
| #endif /* if defined( configCLINT_BASE_ADDRESS ) && !defined( configMTIME_BASE_ADDRESS ) && ( configCLINT_BASE_ADDRESS == 0 ) */ | |
| #ifdef __cplusplus | |
| } | |
| #endif | |
| #endif /* PORTMACRO_H */ |