2 * FreeRTOS Kernel V10.4.3
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
31 #include "xexception_l.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 /*-----------------------------------------------------------*/
69 /* This port uses the critical nesting count from the TCB rather than
70 maintaining a separate value and then saving this value in the task stack. */
71 #define portCRITICAL_NESTING_IN_TCB 1
73 /* Interrupt control macros. */
74 #define portDISABLE_INTERRUPTS() XExc_mDisableExceptions( XEXC_NON_CRITICAL );
75 #define portENABLE_INTERRUPTS() XExc_mEnableExceptions( XEXC_NON_CRITICAL );
77 /*-----------------------------------------------------------*/
79 /* Critical section macros. */
80 void vTaskEnterCritical( void );
81 void vTaskExitCritical( void );
82 #define portENTER_CRITICAL() vTaskEnterCritical()
83 #define portEXIT_CRITICAL() vTaskExitCritical()
85 /*-----------------------------------------------------------*/
88 void vPortYield( void );
89 #define portYIELD() asm volatile ( "SC \n\t NOP" )
90 #define portYIELD_FROM_ISR() vTaskSwitchContext()
92 /*-----------------------------------------------------------*/
94 /* Hardware specifics. */
95 #define portBYTE_ALIGNMENT 8
96 #define portSTACK_GROWTH ( -1 )
97 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
98 #define portNOP() asm volatile ( "NOP" )
100 /* There are 32 * 32bit floating point regieters, plus the FPSCR to save. */
101 #define portNO_FLOP_REGISTERS_TO_SAVE ( 32 + 1 )
103 /*-----------------------------------------------------------*/
105 /* Task function macros as described on the FreeRTOS.org WEB site. */
106 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
107 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
109 /* Port specific interrupt handling functions. */
110 void vPortSetupInterruptController( void );
111 BaseType_t xPortInstallInterruptHandler( uint8_t ucInterruptID, XInterruptHandler pxHandler, void *pvCallBackRef );
117 #endif /* PORTMACRO_H */