/*
 * FreeRTOS Kernel V10.2.1
 * Copyright (C) 2019 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.
 *-----------------------------------------------------------
 */

/* 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
/*-----------------------------------------------------------*/

/* Interrupt control macros. */
void microblaze_disable_interrupts(void);
void microblaze_enable_interrupts(void);
#define portDISABLE_INTERRUPTS()    microblaze_disable_interrupts()
#define portENABLE_INTERRUPTS()     microblaze_enable_interrupts()
/*-----------------------------------------------------------*/

/* Critical section macros. */
void vPortEnterCritical(void);
void vPortExitCritical(void);
#define portENTER_CRITICAL()        {                                                       \
        extern UBaseType_t uxCriticalNesting;   \
        microblaze_disable_interrupts();                    \
        uxCriticalNesting++;                                \
    }

#define portEXIT_CRITICAL()         {                                                       \
        extern UBaseType_t uxCriticalNesting;   \
        /* Interrupts are disabled, so we can */            \
        /* access the variable directly. */                 \
        uxCriticalNesting--;                                \
        if( uxCriticalNesting == 0 )            \
        {                                                   \
            /* The nesting has unwound and we               \
                                         can enable interrupts again. */                 \
            portENABLE_INTERRUPTS();                        \
        }                                                   \
    }

/*-----------------------------------------------------------*/

/* Task utilities. */
void vPortYield(void);
#define portYIELD() vPortYield()

void vTaskSwitchContext();
#define portYIELD_FROM_ISR() vTaskSwitchContext()
/*-----------------------------------------------------------*/

/* Hardware specifics. */
#define portBYTE_ALIGNMENT          4
#define portSTACK_GROWTH            ( -1 )
#define portTICK_PERIOD_MS          ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portNOP()                   asm volatile ( "NOP" )
/*-----------------------------------------------------------*/

/* 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 )

#ifdef __cplusplus
}
#endif

#endif /* PORTMACRO_H */

