2 * FreeRTOS Kernel <DEVELOPMENT BRANCH>
3 * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
5 * SPDX-License-Identifier: MIT
7 * Permission is hereby granted, free of charge, to any person obtaining a copy of
8 * this software and associated documentation files (the "Software"), to deal in
9 * the Software without restriction, including without limitation the rights to
10 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
11 * the Software, and to permit persons to whom the Software is furnished to do so,
12 * subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in all
15 * copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
19 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
20 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
21 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 * https://www.FreeRTOS.org
25 * https://github.com/FreeRTOS
38 /*-----------------------------------------------------------
39 * Port specific definitions.
41 * The settings in this file configure FreeRTOS correctly for the
42 * given hardware and compiler.
44 * These settings should not be altered.
45 *-----------------------------------------------------------
48 /* Type definitions. */
50 #define portFLOAT float
51 #define portDOUBLE double
53 #define portSHORT short
54 #define portSTACK_TYPE uint32_t
55 #define portBASE_TYPE long
57 typedef portSTACK_TYPE StackType_t;
58 typedef long BaseType_t;
59 typedef unsigned long UBaseType_t;
61 #if( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
62 typedef uint16_t TickType_t;
63 #define portMAX_DELAY ( TickType_t ) 0xffff
64 #elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
65 typedef uint32_t TickType_t;
66 #define portMAX_DELAY ( TickType_t ) ( 0xFFFFFFFFUL )
68 #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
70 /*-----------------------------------------------------------*/
72 /* Hardware specifics. */
73 #define portBYTE_ALIGNMENT 4
74 #define portSTACK_GROWTH -1
75 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
76 /*-----------------------------------------------------------*/
77 uint32_t ulPortSetIPL( uint32_t );
78 #define portDISABLE_INTERRUPTS() ulPortSetIPL( configMAX_SYSCALL_INTERRUPT_PRIORITY )
79 #define portENABLE_INTERRUPTS() ulPortSetIPL( 0 )
82 extern void vPortEnterCritical( void );
83 extern void vPortExitCritical( void );
84 #define portENTER_CRITICAL() vPortEnterCritical()
85 #define portEXIT_CRITICAL() vPortExitCritical()
87 extern UBaseType_t uxPortSetInterruptMaskFromISR( void );
88 extern void vPortClearInterruptMaskFromISR( UBaseType_t );
89 #define portSET_INTERRUPT_MASK_FROM_ISR() ulPortSetIPL( configMAX_SYSCALL_INTERRUPT_PRIORITY )
90 #define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusRegister ) ulPortSetIPL( uxSavedStatusRegister )
92 /*-----------------------------------------------------------*/
96 #define portNOP() asm volatile ( "nop" )
98 /* Note this will overwrite all other bits in the force register, it is done this way for speed. */
99 #define portYIELD() MCF_INTC0_INTFRCL = ( 1UL << configYIELD_INTERRUPT_VECTOR ); portNOP(); portNOP() /* -32 as we are using the high word of the 64bit mask. */
101 /*-----------------------------------------------------------*/
103 /* Task function macros as described on the FreeRTOS.org WEB site. */
104 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) __attribute__((noreturn))
105 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
106 /*-----------------------------------------------------------*/
108 #define portEND_SWITCHING_ISR( xSwitchRequired ) \
111 if( xSwitchRequired != pdFALSE ) \
113 traceISR_EXIT_TO_SCHEDULER(); \
128 #endif /* PORTMACRO_H */