OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Source/] [portable/] [GCC/] [MicroBlaze/] [portmacro.h] - Blame information for rev 857

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 572 jeremybenn
/*
2
    FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
3
 
4
    ***************************************************************************
5
    *                                                                         *
6
    * If you are:                                                             *
7
    *                                                                         *
8
    *    + New to FreeRTOS,                                                   *
9
    *    + Wanting to learn FreeRTOS or multitasking in general quickly       *
10
    *    + Looking for basic training,                                        *
11
    *    + Wanting to improve your FreeRTOS skills and productivity           *
12
    *                                                                         *
13
    * then take a look at the FreeRTOS books - available as PDF or paperback  *
14
    *                                                                         *
15
    *        "Using the FreeRTOS Real Time Kernel - a Practical Guide"        *
16
    *                  http://www.FreeRTOS.org/Documentation                  *
17
    *                                                                         *
18
    * A pdf reference manual is also available.  Both are usually delivered   *
19
    * to your inbox within 20 minutes to two hours when purchased between 8am *
20
    * and 8pm GMT (although please allow up to 24 hours in case of            *
21
    * exceptional circumstances).  Thank you for your support!                *
22
    *                                                                         *
23
    ***************************************************************************
24
 
25
    This file is part of the FreeRTOS distribution.
26
 
27
    FreeRTOS is free software; you can redistribute it and/or modify it under
28
    the terms of the GNU General Public License (version 2) as published by the
29
    Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
30
    ***NOTE*** The exception to the GPL is included to allow you to distribute
31
    a combined work that includes FreeRTOS without being obliged to provide the
32
    source code for proprietary components outside of the FreeRTOS kernel.
33
    FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
34
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
35
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
36
    more details. You should have received a copy of the GNU General Public
37
    License and the FreeRTOS license exception along with FreeRTOS; if not it
38
    can be viewed here: http://www.freertos.org/a00114.html and also obtained
39
    by writing to Richard Barry, contact details for whom are available on the
40
    FreeRTOS WEB site.
41
 
42
    1 tab == 4 spaces!
43
 
44
    http://www.FreeRTOS.org - Documentation, latest information, license and
45
    contact details.
46
 
47
    http://www.SafeRTOS.com - A version that is certified for use in safety
48
    critical systems.
49
 
50
    http://www.OpenRTOS.com - Commercial support, development, porting,
51
    licensing and training services.
52
*/
53
 
54
#ifndef PORTMACRO_H
55
#define PORTMACRO_H
56
 
57
#ifdef __cplusplus
58
extern "C" {
59
#endif
60
 
61
/*-----------------------------------------------------------
62
 * Port specific definitions.
63
 *
64
 * The settings in this file configure FreeRTOS correctly for the
65
 * given hardware and compiler.
66
 *
67
 * These settings should not be altered.
68
 *-----------------------------------------------------------
69
 */
70
 
71
/* Type definitions. */
72
#define portCHAR                char
73
#define portFLOAT               float
74
#define portDOUBLE              double
75
#define portLONG                long
76
#define portSHORT               short
77
#define portSTACK_TYPE  unsigned portLONG
78
#define portBASE_TYPE   portLONG
79
 
80
#if( configUSE_16_BIT_TICKS == 1 )
81
        typedef unsigned portSHORT portTickType;
82
        #define portMAX_DELAY ( portTickType ) 0xffff
83
#else
84
        typedef unsigned portLONG portTickType;
85
        #define portMAX_DELAY ( portTickType ) 0xffffffff
86
#endif
87
/*-----------------------------------------------------------*/
88
 
89
/* Interrupt control macros. */
90
void microblaze_disable_interrupts( void );
91
void microblaze_enable_interrupts( void );
92
#define portDISABLE_INTERRUPTS()        microblaze_disable_interrupts()
93
#define portENABLE_INTERRUPTS()         microblaze_enable_interrupts()
94
/*-----------------------------------------------------------*/
95
 
96
/* Critical section macros. */
97
void vPortEnterCritical( void );
98
void vPortExitCritical( void );
99
#define portENTER_CRITICAL()            {                                                                                                               \
100
                                                                                extern unsigned portBASE_TYPE uxCriticalNesting;        \
101
                                                                                microblaze_disable_interrupts();                                        \
102
                                                                                uxCriticalNesting++;                                                            \
103
                                                                        }
104
 
105
#define portEXIT_CRITICAL()                     {                                                                                                               \
106
                                                                                extern unsigned portBASE_TYPE uxCriticalNesting;        \
107
                                                                                /* Interrupts are disabled, so we can */                        \
108
                                                                                /* access the variable directly. */                                     \
109
                                                                                uxCriticalNesting--;                                                            \
110
                                                                                if( uxCriticalNesting == 0 )                     \
111
                                                                                {                                                                                                       \
112
                                                                                        /* The nesting has unwound and we                               \
113
                                                                                        can enable interrupts again. */                                 \
114
                                                                                        portENABLE_INTERRUPTS();                                                \
115
                                                                                }                                                                                                       \
116
                                                                        }
117
 
118
/*-----------------------------------------------------------*/
119
 
120
/* Task utilities. */
121
void vPortYield( void );
122
#define portYIELD() vPortYield()
123
 
124
void vTaskSwitchContext();
125
#define portYIELD_FROM_ISR() vTaskSwitchContext()
126
/*-----------------------------------------------------------*/
127
 
128
/* Hardware specifics. */
129
#define portBYTE_ALIGNMENT                      4
130
#define portSTACK_GROWTH                        ( -1 )
131
#define portTICK_RATE_MS                        ( ( portTickType ) 1000 / configTICK_RATE_HZ )          
132
#define portNOP()                                       asm volatile ( "NOP" )
133
/*-----------------------------------------------------------*/
134
 
135
/* Task function macros as described on the FreeRTOS.org WEB site. */
136
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
137
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
138
 
139
#ifdef __cplusplus
140
}
141
#endif
142
 
143
#endif /* PORTMACRO_H */
144
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.