2 * FreeRTOS SMP Kernel V202110.00
3 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
6 * this software and associated documentation files (the "Software"), to deal in
7 * the Software without restriction, including without limitation the rights to
8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
9 * the Software, and to permit persons to whom the Software is furnished to do so,
10 * subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in all
13 * copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 * https://www.FreeRTOS.org
23 * https://github.com/FreeRTOS
35 #include "sys/alt_irq.h"
37 /*-----------------------------------------------------------
38 * Port specific definitions.
40 * The settings in this file configure FreeRTOS correctly for the
41 * given hardware and compiler.
43 * These settings should not be altered.
44 *-----------------------------------------------------------
47 /* Type definitions. */
49 #define portFLOAT float
50 #define portDOUBLE double
52 #define portSHORT short
53 #define portSTACK_TYPE uint32_t
54 #define portBASE_TYPE long
56 typedef portSTACK_TYPE StackType_t;
57 typedef long BaseType_t;
58 typedef unsigned long UBaseType_t;
60 #if( configUSE_16_BIT_TICKS == 1 )
61 typedef uint16_t TickType_t;
62 #define portMAX_DELAY ( TickType_t ) 0xffff
64 typedef uint32_t TickType_t;
65 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
67 /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
68 not need to be guarded with a critical section. */
69 #define portTICK_TYPE_IS_ATOMIC 1
71 /*-----------------------------------------------------------*/
73 /* Architecture specifics. */
74 #define portSTACK_GROWTH ( -1 )
75 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
76 #define portBYTE_ALIGNMENT 4
77 #define portNOP() asm volatile ( "NOP" )
78 #define portCRITICAL_NESTING_IN_TCB 1
79 /*-----------------------------------------------------------*/
81 extern void vTaskSwitchContext( void );
82 #define portYIELD() asm volatile ( "trap" );
83 #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) vTaskSwitchContext()
86 /* Include the port_asm.S file where the Context saving/restoring is defined. */
87 __asm__( "\n\t.globl save_context" );
89 /*-----------------------------------------------------------*/
91 extern void vTaskEnterCritical( void );
92 extern void vTaskExitCritical( void );
94 #define portDISABLE_INTERRUPTS() alt_irq_disable_all()
95 #define portENABLE_INTERRUPTS() alt_irq_enable_all( 0x01 );
96 #define portENTER_CRITICAL() vTaskEnterCritical()
97 #define portEXIT_CRITICAL() vTaskExitCritical()
98 /*-----------------------------------------------------------*/
100 /* Task function macros as described on the FreeRTOS.org WEB site. */
101 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
102 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
108 #endif /* PORTMACRO_H */