1 /*
2  * FreeRTOS Kernel V11.1.0
3  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
4  *
5  * SPDX-License-Identifier: MIT
6  *
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:
13  *
14  * The above copyright notice and this permission notice shall be included in all
15  * copies or substantial portions of the Software.
16  *
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.
23  *
24  * https://www.FreeRTOS.org
25  * https://github.com/FreeRTOS
26  *
27  */
28 
29 #ifndef PORTMACRO_H
30 #define PORTMACRO_H
31 
32 /* *INDENT-OFF* */
33 #ifdef __cplusplus
34     extern "C" {
35 #endif
36 /* *INDENT-ON* */
37 
38 /*-----------------------------------------------------------
39  * Port specific definitions.
40  *
41  * The settings in this file configure FreeRTOS correctly for the
42  * given hardware and compiler.
43  *
44  * These settings should not be altered.
45  *-----------------------------------------------------------
46  */
47 
48 /* Type definitions. */
49 #define portCHAR        char
50 #define portFLOAT       float
51 #define portDOUBLE      long
52 #define portLONG        long
53 #define portSHORT       int
54 #define portSTACK_TYPE  uint16_t
55 #define portBASE_TYPE   short
56 
57 typedef portSTACK_TYPE StackType_t;
58 typedef short BaseType_t;
59 typedef unsigned short UBaseType_t;
60 
61 
62 typedef void ( __interrupt __far *pxISR )();
63 
64 #if( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
65     typedef uint16_t TickType_t;
66     #define portMAX_DELAY ( TickType_t ) 0xffff
67 #elif ( configTICK_TYPE_WIDTH_IN_BITS  == TICK_TYPE_WIDTH_32_BITS )
68     typedef uint32_t             TickType_t;
69     #define portMAX_DELAY    ( TickType_t ) 0xffffffffUL
70 #else
71     #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
72 #endif
73 /*-----------------------------------------------------------*/
74 
75 /* Critical section handling. */
76 #define portENTER_CRITICAL()            __asm{ pushf }  \
77                                         __asm{ cli   }  \
78 
79 #define portEXIT_CRITICAL()             __asm{ popf }
80 
81 #define portDISABLE_INTERRUPTS()        __asm{ cli }
82 
83 #define portENABLE_INTERRUPTS()         __asm{ sti }
84 /*-----------------------------------------------------------*/
85 
86 /* Hardware specifics. */
87 #define portNOP()                       __asm{ nop }
88 #define portSTACK_GROWTH                ( -1 )
89 #define portSWITCH_INT_NUMBER           0x80
90 #define portYIELD()                     __asm{ int portSWITCH_INT_NUMBER }
91 #define portTICK_PERIOD_MS              ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
92 #define portBYTE_ALIGNMENT              2
93 #define portINITIAL_SW                  ( ( portSTACK_TYPE ) 0x0202 )   /* Start the tasks with interrupts enabled. */
94 /*-----------------------------------------------------------*/
95 
96 /* Compiler specifics. */
97 #define portINPUT_BYTE( xAddr )             inp( xAddr )
98 #define portOUTPUT_BYTE( xAddr, ucValue )   outp( xAddr, ucValue )
99 #define portINPUT_WORD( xAddr )             inpw( xAddr )
100 #define portOUTPUT_WORD( xAddr, usValue )   outpw( xAddr, usValue )
101 /*-----------------------------------------------------------*/
102 
103 /* Task function macros as described on the FreeRTOS.org WEB site. */
104 #define portTASK_FUNCTION_PROTO( vTaskFunction, vParameters ) void vTaskFunction( void *pvParameters )
105 #define portTASK_FUNCTION( vTaskFunction, vParameters ) void vTaskFunction( void *pvParameters )
106 
107 /* *INDENT-OFF* */
108 #ifdef __cplusplus
109     }
110 #endif
111 /* *INDENT-ON* */
112 
113 #endif /* PORTMACRO_H */
114