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1 /*\r
2  * FreeRTOS Kernel V10.0.0\r
3  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.\r
4  *\r
5  * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
6  * this software and associated documentation files (the "Software"), to deal in\r
7  * the Software without restriction, including without limitation the rights to\r
8  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
9  * the Software, and to permit persons to whom the Software is furnished to do so,\r
10  * subject to the following conditions:\r
11  *\r
12  * The above copyright notice and this permission notice shall be included in all\r
13  * copies or substantial portions of the Software. If you wish to use our Amazon\r
14  * FreeRTOS name, please do so in a fair use way that does not cause confusion.\r
15  *\r
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
18  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
19  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
20  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
22  *\r
23  * http://www.FreeRTOS.org\r
24  * http://aws.amazon.com/freertos\r
25  *\r
26  * 1 tab == 4 spaces!\r
27  */\r
28 \r
29 #ifndef PORTMACRO_H\r
30 #define PORTMACRO_H\r
31 \r
32 #ifdef __cplusplus\r
33 extern "C" {\r
34 #endif\r
35 \r
36 /*-----------------------------------------------------------\r
37  * Port specific definitions.\r
38  *\r
39  * The settings in this file configure FreeRTOS correctly for the\r
40  * given hardware and compiler.\r
41  *\r
42  * These settings should not be altered.\r
43  *-----------------------------------------------------------\r
44  */\r
45 \r
46 /* Type definitions. */\r
47 #define portCHAR                char\r
48 #define portFLOAT               float\r
49 #define portDOUBLE              double\r
50 #define portLONG                long\r
51 #define portSHORT               short\r
52 #define portSTACK_TYPE  uint32_t\r
53 #define portBASE_TYPE   long\r
54 \r
55 typedef portSTACK_TYPE StackType_t;\r
56 typedef long BaseType_t;\r
57 typedef unsigned long UBaseType_t;\r
58 \r
59 #if( configUSE_16_BIT_TICKS == 1 )\r
60         typedef uint16_t TickType_t;\r
61         #define portMAX_DELAY ( TickType_t ) 0xffff\r
62 #else\r
63         typedef uint32_t TickType_t;\r
64         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
65 \r
66         /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do\r
67         not need to be guarded with a critical section. */\r
68         #define portTICK_TYPE_IS_ATOMIC 1\r
69 #endif\r
70 /*-----------------------------------------------------------*/\r
71 \r
72 /* Interrupt control macros. */\r
73 void microblaze_disable_interrupts( void );\r
74 void microblaze_enable_interrupts( void );\r
75 #define portDISABLE_INTERRUPTS()        microblaze_disable_interrupts()\r
76 #define portENABLE_INTERRUPTS()         microblaze_enable_interrupts()\r
77 /*-----------------------------------------------------------*/\r
78 \r
79 /* Critical section macros. */\r
80 void vPortEnterCritical( void );\r
81 void vPortExitCritical( void );\r
82 #define portENTER_CRITICAL()            {                                                                                                               \\r
83                                                                                 extern UBaseType_t uxCriticalNesting;   \\r
84                                                                                 microblaze_disable_interrupts();                                        \\r
85                                                                                 uxCriticalNesting++;                                                            \\r
86                                                                         }\r
87 \r
88 #define portEXIT_CRITICAL()                     {                                                                                                               \\r
89                                                                                 extern UBaseType_t uxCriticalNesting;   \\r
90                                                                                 /* Interrupts are disabled, so we can */                        \\r
91                                                                                 /* access the variable directly. */                                     \\r
92                                                                                 uxCriticalNesting--;                                                            \\r
93                                                                                 if( uxCriticalNesting == 0 )                    \\r
94                                                                                 {                                                                                                       \\r
95                                                                                         /* The nesting has unwound and we                               \\r
96                                                                                         can enable interrupts again. */                                 \\r
97                                                                                         portENABLE_INTERRUPTS();                                                \\r
98                                                                                 }                                                                                                       \\r
99                                                                         }\r
100 \r
101 /*-----------------------------------------------------------*/\r
102 \r
103 /* Task utilities. */\r
104 void vPortYield( void );\r
105 #define portYIELD() vPortYield()\r
106 \r
107 void vTaskSwitchContext();\r
108 #define portYIELD_FROM_ISR() vTaskSwitchContext()\r
109 /*-----------------------------------------------------------*/\r
110 \r
111 /* Hardware specifics. */\r
112 #define portBYTE_ALIGNMENT                      4\r
113 #define portSTACK_GROWTH                        ( -1 )\r
114 #define portTICK_PERIOD_MS                      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
115 #define portNOP()                                       asm volatile ( "NOP" )\r
116 /*-----------------------------------------------------------*/\r
117 \r
118 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
119 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
120 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
121 \r
122 #ifdef __cplusplus\r
123 }\r
124 #endif\r
125 \r
126 #endif /* PORTMACRO_H */\r
127 \r