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Update version number to 9.0.0rc2.
[freertos] / FreeRTOS / Source / portable / GCC / STR75x / portmacro.h
1 /*\r
2     FreeRTOS V9.0.0rc2 - Copyright (C) 2016 Real Time Engineers Ltd.\r
3     All rights reserved\r
4 \r
5     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
6 \r
7     This file is part of the FreeRTOS distribution.\r
8 \r
9     FreeRTOS is free software; you can redistribute it and/or modify it under\r
10     the terms of the GNU General Public License (version 2) as published by the\r
11     Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.\r
12 \r
13     ***************************************************************************\r
14     >>!   NOTE: The modification to the GPL is included to allow you to     !<<\r
15     >>!   distribute a combined work that includes FreeRTOS without being   !<<\r
16     >>!   obliged to provide the source code for proprietary components     !<<\r
17     >>!   outside of the FreeRTOS kernel.                                   !<<\r
18     ***************************************************************************\r
19 \r
20     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
21     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
22     FOR A PARTICULAR PURPOSE.  Full license text is available on the following\r
23     link: http://www.freertos.org/a00114.html\r
24 \r
25     ***************************************************************************\r
26      *                                                                       *\r
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35      *    http://www.FreeRTOS.org/Documentation                              *\r
36      *                                                                       *\r
37     ***************************************************************************\r
38 \r
39     http://www.FreeRTOS.org/FAQHelp.html - Having a problem?  Start by reading\r
40     the FAQ page "My application does not run, what could be wrong?".  Have you\r
41     defined configASSERT()?\r
42 \r
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58 \r
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62 \r
63     http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
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65     mission critical applications that require provable dependability.\r
66 \r
67     1 tab == 4 spaces!\r
68 */\r
69 \r
70 \r
71 #ifndef PORTMACRO_H\r
72 #define PORTMACRO_H\r
73 \r
74 #ifdef __cplusplus\r
75 extern "C" {\r
76 #endif\r
77 \r
78 /*-----------------------------------------------------------\r
79  * Port specific definitions.\r
80  *\r
81  * The settings in this file configure FreeRTOS correctly for the\r
82  * given hardware and compiler.\r
83  *\r
84  * These settings should not be altered.\r
85  *-----------------------------------------------------------\r
86  */\r
87 \r
88 /* Type definitions. */\r
89 #define portCHAR                char\r
90 #define portFLOAT               float\r
91 #define portDOUBLE              double\r
92 #define portLONG                long\r
93 #define portSHORT               short\r
94 #define portSTACK_TYPE  uint32_t\r
95 #define portBASE_TYPE   long\r
96 \r
97 typedef portSTACK_TYPE StackType_t;\r
98 typedef long BaseType_t;\r
99 typedef unsigned long UBaseType_t;\r
100 \r
101 #if( configUSE_16_BIT_TICKS == 1 )\r
102         typedef uint16_t TickType_t;\r
103         #define portMAX_DELAY ( TickType_t ) 0xffff\r
104 #else\r
105         typedef uint32_t TickType_t;\r
106         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
107 #endif\r
108 /*-----------------------------------------------------------*/\r
109 \r
110 /* Hardware specifics. */\r
111 #define portSTACK_GROWTH                        ( -1 )\r
112 #define portTICK_PERIOD_MS                      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
113 #define portBYTE_ALIGNMENT                      8\r
114 #define portYIELD()                                     asm volatile ( "SWI 0" )\r
115 #define portNOP()                                       asm volatile ( "NOP" )\r
116 /*-----------------------------------------------------------*/\r
117 \r
118 /* Critical section handling. */\r
119 /*\r
120  * The interrupt management utilities can only be called from ARM mode.  When\r
121  * THUMB_INTERWORK is defined the utilities are defined as functions in\r
122  * portISR.c to ensure a switch to ARM mode.  When THUMB_INTERWORK is not\r
123  * defined then the utilities are defined as macros here - as per other ports.\r
124  */\r
125 \r
126 #ifdef THUMB_INTERWORK\r
127 \r
128         extern void vPortDisableInterruptsFromThumb( void ) __attribute__ ((naked));\r
129         extern void vPortEnableInterruptsFromThumb( void ) __attribute__ ((naked));\r
130 \r
131         #define portDISABLE_INTERRUPTS()        vPortDisableInterruptsFromThumb()\r
132         #define portENABLE_INTERRUPTS()         vPortEnableInterruptsFromThumb()\r
133 \r
134 #else\r
135 \r
136         #define portDISABLE_INTERRUPTS()                                                                                        \\r
137                 asm volatile (                                                                                                                  \\r
138                         "STMDB  SP!, {R0}               \n\t"   /* Push R0.                                             */      \\r
139                         "MRS    R0, CPSR                \n\t"   /* Get CPSR.                                    */      \\r
140                         "ORR    R0, R0, #0xC0   \n\t"   /* Disable IRQ, FIQ.                    */      \\r
141                         "MSR    CPSR, R0                \n\t"   /* Write back modified value.   */      \\r
142                         "LDMIA  SP!, {R0}                       " )     /* Pop R0.                                              */\r
143 \r
144         #define portENABLE_INTERRUPTS()                                                                                         \\r
145                 asm volatile (                                                                                                                  \\r
146                         "STMDB  SP!, {R0}               \n\t"   /* Push R0.                                             */      \\r
147                         "MRS    R0, CPSR                \n\t"   /* Get CPSR.                                    */      \\r
148                         "BIC    R0, R0, #0xC0   \n\t"   /* Enable IRQ, FIQ.                             */      \\r
149                         "MSR    CPSR, R0                \n\t"   /* Write back modified value.   */      \\r
150                         "LDMIA  SP!, {R0}                       " )     /* Pop R0.                                              */\r
151 \r
152 #endif /* THUMB_INTERWORK */\r
153 \r
154 extern void vPortEnterCritical( void );\r
155 extern void vPortExitCritical( void );\r
156 \r
157 #define portENTER_CRITICAL()            vPortEnterCritical();\r
158 #define portEXIT_CRITICAL()                     vPortExitCritical();\r
159 /*-----------------------------------------------------------*/\r
160 \r
161 /* Task utilities. */\r
162 #define portEND_SWITCHING_ISR( xSwitchRequired )        \\r
163 {                                                                                                       \\r
164 extern void vTaskSwitchContext( void );                         \\r
165                                                                                                         \\r
166         if( xSwitchRequired )                                                   \\r
167         {                                                                                               \\r
168                 vTaskSwitchContext();                                           \\r
169         }                                                                                               \\r
170 }\r
171 /*-----------------------------------------------------------*/\r
172 \r
173 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
174 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )\r
175 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )\r
176 \r
177 #ifdef __cplusplus\r
178 }\r
179 #endif\r
180 \r
181 #endif /* PORTMACRO_H */\r
182 \r
183 \r