begriffs open source - freertos/blob - portable/IAR/RX700v3

1 /*

2 * FreeRTOS Kernel <DEVELOPMENT BRANCH>

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

30 #ifndef PORTMACRO_H

31 #define PORTMACRO_H

32

33 /* Hardware specifics. */

34 #include <intrinsics.h>

35

36 /* *INDENT-OFF* */

37 #ifdef __cplusplus

38 extern "C" {

39 #endif

40 /* *INDENT-ON* */

41

42 /*-----------------------------------------------------------

43 * Port specific definitions.

44 *

45 * The settings in this file configure FreeRTOS correctly for the

46 * given hardware and compiler.

47 *

48 * These settings should not be altered.

49 *-----------------------------------------------------------

50 */

51

52 /* When the FIT configurator or the Smart Configurator is used, platform.h has to be

53 * used. */

54 #ifndef configINCLUDE_PLATFORM_H_INSTEAD_OF_IODEFINE_H

55 #define configINCLUDE_PLATFORM_H_INSTEAD_OF_IODEFINE_H 0

56 #endif

57

58 /* If configUSE_TASK_DPFPU_SUPPORT is set to 1 (or undefined) then each task will

59 * be created without a DPFPU context, and a task must call vTaskUsesDPFPU() before

60 * making use of any DPFPU registers. If configUSE_TASK_DPFPU_SUPPORT is set to 2 then

61 * tasks are created with a DPFPU context by default, and calling vTaskUsesDPFPU() has

62 * no effect. If configUSE_TASK_DPFPU_SUPPORT is set to 0 then tasks never take care

63 * of any DPFPU context (even if DPFPU registers are used). */

64 #ifndef configUSE_TASK_DPFPU_SUPPORT

65 #define configUSE_TASK_DPFPU_SUPPORT 1

66 #endif

67

68 /*-----------------------------------------------------------*/

69

70 /* Type definitions - these are a bit legacy and not really used now, other than

71 * portSTACK_TYPE and portBASE_TYPE. */

72 #define portCHAR char

73 #define portFLOAT float

74 #define portDOUBLE double

75 #define portLONG long

76 #define portSHORT short

77 #define portSTACK_TYPE uint32_t

78 #define portBASE_TYPE long

79

80 typedef portSTACK_TYPE StackType_t;

81 typedef long BaseType_t;

82 typedef unsigned long UBaseType_t;

83

84 #if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )

85 typedef uint16_t TickType_t;

86 #define portMAX_DELAY ( TickType_t ) 0xffff

87 #elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )

88 typedef uint32_t TickType_t;

89 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL

90

91 /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do

92 * not need to be guarded with a critical section. */

93 #define portTICK_TYPE_IS_ATOMIC 1

94 #else

95 #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.

96 #endif

97

98 /*-----------------------------------------------------------*/

99

100 /* Hardware specifics. */

101 #define portBYTE_ALIGNMENT 8 /* Could make four, according to manual. */

102 #define portSTACK_GROWTH -1

103 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )

104 #define portNOP() __no_operation()

105

106 /* Yield equivalent to "*portITU_SWINTR = 0x01; ( void ) *portITU_SWINTR;"

107 * where portITU_SWINTR is the location of the software interrupt register

108 * (0x000872E0). Don't rely on the assembler to select a register, so instead

109 * save and restore clobbered registers manually. */

110 #define portYIELD() \

111 __asm volatile \

112 ( \

113 "PUSH.L R10 \n"\

114 "MOV.L #0x872E0, R10 \n"\

115 "MOV.B #0x1, [R10] \n"\

116 "CMP [R10].UB, R10 \n"\

117 "POP R10 \n"\

118 portCDT_NO_PARSE( ::: ) "cc"\

119 )

120

121 #define portYIELD_FROM_ISR( x ) do { if( ( x ) != pdFALSE ) portYIELD(); } while( 0 )

122

123 /* Workaround to reduce errors/warnings caused by e2 studio CDT's INDEXER and CODAN. */

124 #ifdef __CDT_PARSER__

125 #ifndef __asm

126 #define __asm asm

127 #endif

128 #ifndef __attribute__

129 #define __attribute__( ... )

130 #endif

131 #define portCDT_NO_PARSE( token )

132 #else

133 #define portCDT_NO_PARSE( token ) token

134 #endif

135

136 /* These macros should not be called directly, but through the

137 * taskENTER_CRITICAL() and taskEXIT_CRITICAL() macros. An extra check is

138 * performed if configASSERT() is defined to ensure an assertion handler does not

139 * inadvertently attempt to lower the IPL when the call to assert was triggered

140 * because the IPL value was found to be above configMAX_SYSCALL_INTERRUPT_PRIORITY

141 * when an ISR safe FreeRTOS API function was executed. ISR safe FreeRTOS API

142 * functions are those that end in FromISR. FreeRTOS maintains a separate

143 * interrupt API to ensure API function and interrupt entry is as fast and as

144 * simple as possible. */

145 #define portENABLE_INTERRUPTS() __set_interrupt_level( ( uint8_t ) 0 )

146 #ifdef configASSERT

147 #define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() configASSERT( ( __get_interrupt_level() <= configMAX_SYSCALL_INTERRUPT_PRIORITY ) )

148 #define portDISABLE_INTERRUPTS() if( __get_interrupt_level() < configMAX_SYSCALL_INTERRUPT_PRIORITY ) __set_interrupt_level( ( uint8_t ) configMAX_SYSCALL_INTERRUPT_PRIORITY )

149 #else

150 #define portDISABLE_INTERRUPTS() __set_interrupt_level( ( uint8_t ) configMAX_SYSCALL_INTERRUPT_PRIORITY )

151 #endif

152

153 /* Critical nesting counts are stored in the TCB. */

154 #define portCRITICAL_NESTING_IN_TCB ( 1 )

155

156 /* The critical nesting functions defined within tasks.c. */

157 extern void vTaskEnterCritical( void );

158 extern void vTaskExitCritical( void );

159 #define portENTER_CRITICAL() vTaskEnterCritical()

160 #define portEXIT_CRITICAL() vTaskExitCritical()

161

162 /* As this port allows interrupt nesting... */

163 #define portSET_INTERRUPT_MASK_FROM_ISR() __get_interrupt_level(); portDISABLE_INTERRUPTS()

164 #define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ) __set_interrupt_level( ( uint8_t ) ( uxSavedInterruptStatus ) )

165

166 /*-----------------------------------------------------------*/

167

168 /* Task function macros as described on the FreeRTOS.org WEB site. */

169 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )

170 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )

171

172 /*-----------------------------------------------------------*/

173

174 /* If configUSE_TASK_DPFPU_SUPPORT is set to 1 (or left undefined) then tasks are

175 * created without a DPFPU context and must call vPortTaskUsesDPFPU() to give

176 * themselves a DPFPU context before using any DPFPU instructions. If

177 * configUSE_TASK_DPFPU_SUPPORT is set to 2 then all tasks will have a DPFPU context

178 * by default. */

179 #if( configUSE_TASK_DPFPU_SUPPORT == 1 )

180 void vPortTaskUsesDPFPU( void );

181 #else

182 /* Each task has a DPFPU context already, so define this function away to

183 * nothing to prevent it being called accidentally. */

184 #define vPortTaskUsesDPFPU()

185 #endif

186 #define portTASK_USES_DPFPU() vPortTaskUsesDPFPU()

187

188 /* Definition to allow compatibility with existing FreeRTOS Demo using flop.c. */

189 #define portTASK_USES_FLOATING_POINT() vPortTaskUsesDPFPU()

190

191 /* Prevent warnings of undefined behaviour: the order of volatile accesses is

192 * undefined - all warnings have been manually checked and are not an issue, and

193 * the warnings cannot be prevent by code changes without undesirable effects. */

194 #pragma diag_suppress=Pa082

195

196 /* *INDENT-OFF* */

197 #ifdef __cplusplus

198 }

199 #endif

200 /* *INDENT-ON* */

201

202 #endif /* PORTMACRO_H */