2 * FreeRTOS Kernel V10.0.0
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3 * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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6 * this software and associated documentation files (the "Software"), to deal in
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7 * the Software without restriction, including without limitation the rights to
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8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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9 * the Software, and to permit persons to whom the Software is furnished to do so,
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10 * subject to the following conditions:
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12 * The above copyright notice and this permission notice shall be included in all
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13 * copies or substantial portions of the Software. If you wish to use our Amazon
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14 * FreeRTOS name, please do so in a fair use way that does not cause confusion.
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16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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18 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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19 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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20 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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23 * http://www.FreeRTOS.org
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24 * http://aws.amazon.com/freertos
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26 * 1 tab == 4 spaces!
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32 #include "xexception_l.h"
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38 /*-----------------------------------------------------------
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39 * Port specific definitions.
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41 * The settings in this file configure FreeRTOS correctly for the
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42 * given hardware and compiler.
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44 * These settings should not be altered.
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45 *-----------------------------------------------------------
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48 /* Type definitions. */
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49 #define portCHAR char
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50 #define portFLOAT float
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51 #define portDOUBLE double
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52 #define portLONG long
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53 #define portSHORT short
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54 #define portSTACK_TYPE uint32_t
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55 #define portBASE_TYPE long
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57 typedef portSTACK_TYPE StackType_t;
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58 typedef long BaseType_t;
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59 typedef unsigned long UBaseType_t;
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61 #if( configUSE_16_BIT_TICKS == 1 )
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62 typedef uint16_t TickType_t;
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63 #define portMAX_DELAY ( TickType_t ) 0xffff
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65 typedef uint32_t TickType_t;
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66 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
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68 /*-----------------------------------------------------------*/
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70 /* This port uses the critical nesting count from the TCB rather than
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71 maintaining a separate value and then saving this value in the task stack. */
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72 #define portCRITICAL_NESTING_IN_TCB 1
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74 /* Interrupt control macros. */
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75 #define portDISABLE_INTERRUPTS() XExc_mDisableExceptions( XEXC_NON_CRITICAL );
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76 #define portENABLE_INTERRUPTS() XExc_mEnableExceptions( XEXC_NON_CRITICAL );
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78 /*-----------------------------------------------------------*/
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80 /* Critical section macros. */
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81 void vTaskEnterCritical( void );
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82 void vTaskExitCritical( void );
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83 #define portENTER_CRITICAL() vTaskEnterCritical()
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84 #define portEXIT_CRITICAL() vTaskExitCritical()
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86 /*-----------------------------------------------------------*/
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88 /* Task utilities. */
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89 void vPortYield( void );
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90 #define portYIELD() asm volatile ( "SC \n\t NOP" )
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91 #define portYIELD_FROM_ISR() vTaskSwitchContext()
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93 /*-----------------------------------------------------------*/
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95 /* Hardware specifics. */
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96 #define portBYTE_ALIGNMENT 8
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97 #define portSTACK_GROWTH ( -1 )
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98 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
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99 #define portNOP() asm volatile ( "NOP" )
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101 /* There are 32 * 32bit floating point regieters, plus the FPSCR to save. */
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102 #define portNO_FLOP_REGISTERS_TO_SAVE ( 32 + 1 )
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104 /*-----------------------------------------------------------*/
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106 /* Task function macros as described on the FreeRTOS.org WEB site. */
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107 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
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108 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
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110 /* Port specific interrupt handling functions. */
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111 void vPortSetupInterruptController( void );
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112 BaseType_t xPortInstallInterruptHandler( uint8_t ucInterruptID, XInterruptHandler pxHandler, void *pvCallBackRef );
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118 #endif /* PORTMACRO_H */
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