| /* |
| * Copyright (C) 2017 C-SKY Microsystems Co., Ltd. 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. |
| * |
| */ |
| |
| #ifndef PORTMACRO_H |
| #define PORTMACRO_H |
| |
| #include <stdlib.h> |
| #include <stdint.h> |
| #include <csi_core.h> |
| |
| extern void vPortYield(void); |
| #ifdef __cplusplus |
| class vPortYield; |
| 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 uint32_t |
| #define portBASE_TYPE long |
| |
| typedef portSTACK_TYPE StackType_t; |
| typedef long BaseType_t; |
| typedef unsigned long UBaseType_t; |
| typedef void (*portvectorfunc)(void); |
| |
| #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 |
| #endif |
| |
| |
| /* Hardware specifics. */ |
| #define portBYTE_ALIGNMENT 8 |
| #define portSTACK_GROWTH -1 |
| #define portMS_PERIOD_TICK 10 |
| #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) |
| |
| |
| static inline void vPortEnableInterrupt( void ) |
| { |
| __enable_irq(); |
| } |
| |
| static inline void vPortDisableInterrupt( void ) |
| { |
| __disable_irq(); |
| } |
| |
| static inline portLONG GetCurrentPSR (void) |
| { |
| return __get_PSR(); |
| } |
| |
| static inline portLONG SaveLocalPSR (void) |
| { |
| portLONG flags = __get_PSR(); |
| __disable_irq(); |
| return flags; |
| } |
| |
| static inline void RestoreLocalPSR (portLONG newMask) |
| { |
| __asm__ __volatile__( |
| "mtcr %0, psr \n" |
| : |
| :"r" (newMask) |
| :"memory" |
| ); |
| } |
| |
| extern void vPortEnterCritical( void ); |
| extern void vPortExitCritical( void ); |
| extern __attribute__((naked)) void cpu_yeild(void); |
| |
| #define portDISABLE_INTERRUPTS() vPortDisableInterrupt() |
| #define portENABLE_INTERRUPTS() vPortEnableInterrupt() |
| #define portENTER_CRITICAL() vPortEnterCritical() |
| #define portEXIT_CRITICAL() vPortExitCritical() |
| #define portSET_INTERRUPT_MASK_FROM_ISR() SaveLocalPSR() |
| #define portCLEAR_INTERRUPT_MASK_FROM_ISR(a) RestoreLocalPSR(a) |
| |
| #define portNOP() asm("nop") |
| |
| extern portLONG ulCriticalNesting; |
| extern portLONG pendsvflag; |
| |
| #define portYIELD() if (ulCriticalNesting == 0) \ |
| { \ |
| vPortYield(); \ |
| } \ |
| else \ |
| { \ |
| pendsvflag = 1; \ |
| } \ |
| portNOP();portNOP() |
| |
| /*-----------------------------------------------------------*/ |
| |
| /* Task function macros as described on the FreeRTOS.org WEB site. */ |
| #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) __attribute__((noreturn)) |
| #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters ) |
| /*-----------------------------------------------------------*/ |
| |
| #define portEND_SWITCHING_ISR( xSwitchRequired ) do { \ |
| if( xSwitchRequired != pdFALSE ) \ |
| { \ |
| portYIELD(); \ |
| } \ |
| }while(0) |
| |
| #define portYIELD_FROM_ISR( a ) vTaskSwitchContext() |
| |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* PORTMACRO_H */ |
| |