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| author | richardbarry <richardbarry@1d2547de-c912-0410-9cb9-b8ca96c0e9e2> | 2006-05-02 09:39:15 +0000 |
|---|---|---|
| committer | richardbarry <richardbarry@1d2547de-c912-0410-9cb9-b8ca96c0e9e2> | 2006-05-02 09:39:15 +0000 |
| commit | d7dbc0659d07553731bf22aa298adcf5e5e7774d (patch) | |
| tree | f263718a33f9a800d8ad8bfae7d7728cc24cff76 /Source/portable/GCC/H8S2329/portmacro.h | |
| parent | 007f75782c094f12e9fb8832dddb6b06bce236f8 (diff) | |
| download | freertos-d7dbc0659d07553731bf22aa298adcf5e5e7774d.tar.gz freertos-d7dbc0659d07553731bf22aa298adcf5e5e7774d.tar.bz2 freertos-d7dbc0659d07553731bf22aa298adcf5e5e7774d.tar.xz | |
First version under SVN is V4.0.1
git-svn-id: https://freertos.svn.sourceforge.net/svnroot/freertos/trunk@4 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
Diffstat (limited to 'Source/portable/GCC/H8S2329/portmacro.h')
| -rw-r--r-- | Source/portable/GCC/H8S2329/portmacro.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/Source/portable/GCC/H8S2329/portmacro.h b/Source/portable/GCC/H8S2329/portmacro.h new file mode 100644 index 00000000..f672a5ea --- /dev/null +++ b/Source/portable/GCC/H8S2329/portmacro.h @@ -0,0 +1,131 @@ +/*
+ FreeRTOS V4.0.1 - Copyright (C) 2003-2006 Richard Barry.
+
+ This file is part of the FreeRTOS distribution.
+
+ FreeRTOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ FreeRTOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with FreeRTOS; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+ A special exception to the GPL can be applied should you wish to distribute
+ a combined work that includes FreeRTOS, without being obliged to provide
+ the source code for any proprietary components. See the licensing section
+ of http://www.FreeRTOS.org for full details of how and when the exception
+ can be applied.
+
+ ***************************************************************************
+ See http://www.FreeRTOS.org for documentation, latest information, license
+ and contact details. Please ensure to read the configuration and relevant
+ port sections of the online documentation.
+ ***************************************************************************
+*/
+
+
+#ifndef PORTMACRO_H
+#define PORTMACRO_H
+
+/*-----------------------------------------------------------
+ * Port specific definitions.
+ *
+ * The settings in this file configure FreeRTOS correctly for the
+ * given hardware and compiler.
+ *
+ * These settings should not be altered.
+ *-----------------------------------------------------------
+ */
+
+/* Type definitions. */
+#define portCHAR char
+#define portFLOAT float
+#define portDOUBLE double
+#define portLONG long
+#define portSHORT short
+#define portSTACK_TYPE unsigned portCHAR
+#define portBASE_TYPE char
+
+#if( configUSE_16_BIT_TICKS == 1 )
+ typedef unsigned portSHORT portTickType;
+ #define portMAX_DELAY ( portTickType ) 0xffff
+#else
+ typedef unsigned portLONG portTickType;
+ #define portMAX_DELAY ( portTickType ) 0xffffffff
+#endif
+/*-----------------------------------------------------------*/
+
+/* Hardware specifics. */
+#define portBYTE_ALIGNMENT 2
+#define portSTACK_GROWTH ( -1 )
+#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
+#define portYIELD() asm volatile( "TRAPA #0" )
+#define portNOP() asm volatile( "NOP" )
+/*-----------------------------------------------------------*/
+
+/* Critical section handling. */
+#define portENABLE_INTERRUPTS() asm volatile( "ANDC #0x7F, CCR" );
+#define portDISABLE_INTERRUPTS() asm volatile( "ORC #0x80, CCR" );
+
+/* Push the CCR then disable interrupts. */
+#define portENTER_CRITICAL() asm volatile( "STC CCR, @-ER7" ); \
+ portDISABLE_INTERRUPTS();
+
+/* Pop the CCR to set the interrupt masking back to its previous state. */
+#define portEXIT_CRITICAL() asm volatile( "LDC @ER7+, CCR" );
+/*-----------------------------------------------------------*/
+
+/* Task utilities. */
+
+/* Context switch macros. These macros are very simple as the context
+is saved simply by selecting the saveall attribute of the context switch
+interrupt service routines. These macros save and restore the stack
+pointer to the TCB. */
+
+#define portSAVE_STACK_POINTER() \
+extern void* pxCurrentTCB; \
+ \
+ asm volatile( \
+ "MOV.L @_pxCurrentTCB, ER5 \n\t" \
+ "MOV.L ER7, @ER5 \n\t" \
+ ); \
+ ( void ) pxCurrentTCB;
+
+
+#define portRESTORE_STACK_POINTER() \
+extern void* pxCurrentTCB; \
+ \
+ asm volatile( \
+ "MOV.L @_pxCurrentTCB, ER5 \n\t" \
+ "MOV.L @ER5, ER7 \n\t" \
+ ); \
+ ( void ) pxCurrentTCB;
+
+/*-----------------------------------------------------------*/
+
+/* Macros to allow a context switch from within an application ISR. */
+
+#define portENTER_SWITCHING_ISR() portSAVE_STACK_POINTER(); {
+
+#define portEXIT_SWITCHING_ISR( x ) \
+ if( x ) \
+ { \
+ extern void vTaskSwitchContext( void ); \
+ vTaskSwitchContext(); \
+ } \
+ } portRESTORE_STACK_POINTER();
+/*-----------------------------------------------------------*/
+
+/* Task function macros as described on the FreeRTOS.org WEB site. */
+#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
+#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
+
+#endif /* PORTMACRO_H */
+
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