Add Cortus port to produce V6.0.5.
Richard Barry
15 years ago
parent
4a5ea9e237
commit
c73b3dc304
@ -1,177 +1,177 @@
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/*
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FreeRTOS V6.0.4 - Copyright (C) 2010 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* If you are: *
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||||
* *
|
||||
* + New to FreeRTOS, *
|
||||
* + Wanting to learn FreeRTOS or multitasking in general quickly *
|
||||
* + Looking for basic training, *
|
||||
* + Wanting to improve your FreeRTOS skills and productivity *
|
||||
* *
|
||||
* then take a look at the FreeRTOS eBook *
|
||||
* *
|
||||
* "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
* A pdf reference manual is also available. Both are usually delivered *
|
||||
* to your inbox within 20 minutes to two hours when purchased between 8am *
|
||||
* and 8pm GMT (although please allow up to 24 hours in case of *
|
||||
* exceptional circumstances). Thank you for your support! *
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||||
* *
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||||
***************************************************************************
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||||
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This file is part of the FreeRTOS distribution.
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||||
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FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
|
||||
***NOTE*** The exception to the GPL is included to allow you to distribute
|
||||
a combined work that includes FreeRTOS without being obliged to provide the
|
||||
source code for proprietary components outside of the FreeRTOS kernel.
|
||||
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 and the FreeRTOS license exception along with FreeRTOS; if not it
|
||||
can be viewed here: http://www.freertos.org/a00114.html and also obtained
|
||||
by writing to Richard Barry, contact details for whom are available on the
|
||||
FreeRTOS WEB site.
|
||||
|
||||
1 tab == 4 spaces!
|
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|
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http://www.FreeRTOS.org - Documentation, latest information, license and
|
||||
contact details.
|
||||
|
||||
http://www.SafeRTOS.com - A version that is certified for use in safety
|
||||
critical systems.
|
||||
|
||||
http://www.OpenRTOS.com - Commercial support, development, porting,
|
||||
licensing and training services.
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||||
*/
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/* Standard includes. */
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#include <stdlib.h>
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/* Kernel includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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/* Machine includes */
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#include <machine/counter.h>
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#include <machine/ic.h>
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/*-----------------------------------------------------------*/
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/* The initial PSR has the Previous Interrupt Enabled (PIEN) flag set. */
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#define portINITIAL_PSR ( 0x00020000 )
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/*-----------------------------------------------------------*/
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/*
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* Perform any hardware configuration necessary to generate the tick interrupt.
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*/
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static void prvSetupTimerInterrupt( void );
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/*-----------------------------------------------------------*/
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portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE * pxTopOfStack, pdTASK_CODE pxCode, void *pvParameters )
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{
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/* Make space on the stack for the context - this leaves a couple of spaces
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empty. */
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pxTopOfStack -= 20;
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/* Fill the registers with known values to assist debugging. */
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pxTopOfStack[ 16 ] = portKERNEL_INTERRUPT_PRIORITY_LEVEL;
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pxTopOfStack[ 15 ] = portINITIAL_PSR;
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pxTopOfStack[ 14 ] = ( unsigned long ) pxCode;
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pxTopOfStack[ 13 ] = 0x00000000UL; /* R15. */
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pxTopOfStack[ 12 ] = 0x00000000UL; /* R14. */
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pxTopOfStack[ 11 ] = 0x0d0d0d0dUL;
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pxTopOfStack[ 10 ] = 0x0c0c0c0cUL;
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pxTopOfStack[ 9 ] = 0x0b0b0b0bUL;
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pxTopOfStack[ 8 ] = 0x0a0a0a0aUL;
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pxTopOfStack[ 7 ] = 0x09090909UL;
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pxTopOfStack[ 6 ] = 0x08080808UL;
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pxTopOfStack[ 5 ] = 0x07070707UL;
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pxTopOfStack[ 4 ] = 0x06060606UL;
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pxTopOfStack[ 3 ] = 0x05050505UL;
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pxTopOfStack[ 2 ] = 0x04040404UL;
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pxTopOfStack[ 1 ] = 0x03030303UL;
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pxTopOfStack[ 0 ] = ( unsigned long ) pvParameters;
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return pxTopOfStack;
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}
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/*-----------------------------------------------------------*/
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portBASE_TYPE xPortStartScheduler( void )
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{
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/* Set-up the timer interrupt. */
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prvSetupTimerInterrupt();
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/* Enable the TRAP yield. */
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irq[ portIRQ_TRAP_YIELD ].ien = 1;
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irq[ portIRQ_TRAP_YIELD ].ipl = portKERNEL_INTERRUPT_PRIORITY_LEVEL;
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/* Integrated Interrupt Controller: Enable all interrupts. */
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ic->ien = 1;
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/* Restore callee saved registers. */
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portRESTORE_CONTEXT();
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/* Should not get here. */
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return 0;
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}
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/*-----------------------------------------------------------*/
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static void prvSetupTimerInterrupt( void )
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{
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/* Enable timer interrupts */
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counter1->reload = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) - 1;
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counter1->value = counter1->reload;
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counter1->mask = 1;
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/* Set the IRQ Handler priority and enable it. */
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irq[ IRQ_COUNTER1 ].ien = 1;
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irq[ IRQ_COUNTER1 ].ipl = portKERNEL_INTERRUPT_PRIORITY_LEVEL;
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}
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/*-----------------------------------------------------------*/
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/* Trap 31 handler. */
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void interrupt31_handler( void ) __attribute__((naked));
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void interrupt31_handler( void )
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{
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portSAVE_CONTEXT();
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__asm volatile ( "call vTaskSwitchContext" );
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portRESTORE_CONTEXT();
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}
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/*-----------------------------------------------------------*/
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static void prvProcessTick( void ) __attribute__((noinline));
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static void prvProcessTick( void )
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{
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vTaskIncrementTick();
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#if configUSE_PREEMPTION == 1
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vTaskSwitchContext();
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#endif
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/* Clear the Tick Interrupt. */
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counter1->expired = 0;
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}
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/*-----------------------------------------------------------*/
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/* Timer 1 interrupt handler, used for tick interrupt. */
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void interrupt7_handler( void ) __attribute__((naked));
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void interrupt7_handler( void )
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{
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portSAVE_CONTEXT();
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prvProcessTick();
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portRESTORE_CONTEXT();
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}
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/*-----------------------------------------------------------*/
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void vPortEndScheduler( void )
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{
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/* Nothing to do. Unlikely to want to end. */
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}
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/*-----------------------------------------------------------*/
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/*
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FreeRTOS V6.0.5 - Copyright (C) 2010 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* If you are: *
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||||
* *
|
||||
* + New to FreeRTOS, *
|
||||
* + Wanting to learn FreeRTOS or multitasking in general quickly *
|
||||
* + Looking for basic training, *
|
||||
* + Wanting to improve your FreeRTOS skills and productivity *
|
||||
* *
|
||||
* then take a look at the FreeRTOS eBook *
|
||||
* *
|
||||
* "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
* A pdf reference manual is also available. Both are usually delivered *
|
||||
* to your inbox within 20 minutes to two hours when purchased between 8am *
|
||||
* and 8pm GMT (although please allow up to 24 hours in case of *
|
||||
* exceptional circumstances). Thank you for your support! *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
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 (version 2) as published by the
|
||||
Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
|
||||
***NOTE*** The exception to the GPL is included to allow you to distribute
|
||||
a combined work that includes FreeRTOS without being obliged to provide the
|
||||
source code for proprietary components outside of the FreeRTOS kernel.
|
||||
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 and the FreeRTOS license exception along with FreeRTOS; if not it
|
||||
can be viewed here: http://www.freertos.org/a00114.html and also obtained
|
||||
by writing to Richard Barry, contact details for whom are available on the
|
||||
FreeRTOS WEB site.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
|
||||
http://www.FreeRTOS.org - Documentation, latest information, license and
|
||||
contact details.
|
||||
|
||||
http://www.SafeRTOS.com - A version that is certified for use in safety
|
||||
critical systems.
|
||||
|
||||
http://www.OpenRTOS.com - Commercial support, development, porting,
|
||||
licensing and training services.
|
||||
*/
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/* Standard includes. */
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#include <stdlib.h>
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/* Kernel includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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/* Machine includes */
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#include <machine/counter.h>
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#include <machine/ic.h>
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/*-----------------------------------------------------------*/
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/* The initial PSR has the Previous Interrupt Enabled (PIEN) flag set. */
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#define portINITIAL_PSR ( 0x00020000 )
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/*-----------------------------------------------------------*/
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/*
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* Perform any hardware configuration necessary to generate the tick interrupt.
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*/
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static void prvSetupTimerInterrupt( void );
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/*-----------------------------------------------------------*/
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portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE * pxTopOfStack, pdTASK_CODE pxCode, void *pvParameters )
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{
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/* Make space on the stack for the context - this leaves a couple of spaces
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empty. */
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pxTopOfStack -= 20;
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/* Fill the registers with known values to assist debugging. */
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pxTopOfStack[ 16 ] = portKERNEL_INTERRUPT_PRIORITY_LEVEL;
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pxTopOfStack[ 15 ] = portINITIAL_PSR;
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pxTopOfStack[ 14 ] = ( unsigned long ) pxCode;
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pxTopOfStack[ 13 ] = 0x00000000UL; /* R15. */
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pxTopOfStack[ 12 ] = 0x00000000UL; /* R14. */
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pxTopOfStack[ 11 ] = 0x0d0d0d0dUL;
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pxTopOfStack[ 10 ] = 0x0c0c0c0cUL;
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pxTopOfStack[ 9 ] = 0x0b0b0b0bUL;
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pxTopOfStack[ 8 ] = 0x0a0a0a0aUL;
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pxTopOfStack[ 7 ] = 0x09090909UL;
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pxTopOfStack[ 6 ] = 0x08080808UL;
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pxTopOfStack[ 5 ] = 0x07070707UL;
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pxTopOfStack[ 4 ] = 0x06060606UL;
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pxTopOfStack[ 3 ] = 0x05050505UL;
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pxTopOfStack[ 2 ] = 0x04040404UL;
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pxTopOfStack[ 1 ] = 0x03030303UL;
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pxTopOfStack[ 0 ] = ( unsigned long ) pvParameters;
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return pxTopOfStack;
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}
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/*-----------------------------------------------------------*/
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portBASE_TYPE xPortStartScheduler( void )
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{
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/* Set-up the timer interrupt. */
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prvSetupTimerInterrupt();
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/* Enable the TRAP yield. */
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irq[ portIRQ_TRAP_YIELD ].ien = 1;
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irq[ portIRQ_TRAP_YIELD ].ipl = portKERNEL_INTERRUPT_PRIORITY_LEVEL;
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/* Integrated Interrupt Controller: Enable all interrupts. */
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ic->ien = 1;
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/* Restore callee saved registers. */
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portRESTORE_CONTEXT();
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/* Should not get here. */
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return 0;
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}
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/*-----------------------------------------------------------*/
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static void prvSetupTimerInterrupt( void )
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{
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/* Enable timer interrupts */
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counter1->reload = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) - 1;
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counter1->value = counter1->reload;
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counter1->mask = 1;
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/* Set the IRQ Handler priority and enable it. */
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irq[ IRQ_COUNTER1 ].ien = 1;
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irq[ IRQ_COUNTER1 ].ipl = portKERNEL_INTERRUPT_PRIORITY_LEVEL;
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}
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/*-----------------------------------------------------------*/
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/* Trap 31 handler. */
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void interrupt31_handler( void ) __attribute__((naked));
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void interrupt31_handler( void )
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{
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portSAVE_CONTEXT();
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__asm volatile ( "call vTaskSwitchContext" );
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portRESTORE_CONTEXT();
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}
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/*-----------------------------------------------------------*/
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static void prvProcessTick( void ) __attribute__((noinline));
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static void prvProcessTick( void )
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{
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vTaskIncrementTick();
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#if configUSE_PREEMPTION == 1
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vTaskSwitchContext();
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#endif
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/* Clear the Tick Interrupt. */
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counter1->expired = 0;
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}
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/*-----------------------------------------------------------*/
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/* Timer 1 interrupt handler, used for tick interrupt. */
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void interrupt7_handler( void ) __attribute__((naked));
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void interrupt7_handler( void )
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{
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portSAVE_CONTEXT();
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prvProcessTick();
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portRESTORE_CONTEXT();
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}
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/*-----------------------------------------------------------*/
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void vPortEndScheduler( void )
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{
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/* Nothing to do. Unlikely to want to end. */
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}
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/*-----------------------------------------------------------*/
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@ -1,176 +1,176 @@
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/*
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FreeRTOS V6.0.4 - Copyright (C) 2010 Real Time Engineers Ltd.
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* If you are: *
|
||||
* *
|
||||
* + New to FreeRTOS, *
|
||||
* + Wanting to learn FreeRTOS or multitasking in general quickly *
|
||||
* + Looking for basic training, *
|
||||
* + Wanting to improve your FreeRTOS skills and productivity *
|
||||
* *
|
||||
* then take a look at the FreeRTOS eBook *
|
||||
* *
|
||||
* "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
* A pdf reference manual is also available. Both are usually delivered *
|
||||
* to your inbox within 20 minutes to two hours when purchased between 8am *
|
||||
* and 8pm GMT (although please allow up to 24 hours in case of *
|
||||
* exceptional circumstances). Thank you for your support! *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
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 (version 2) as published by the
|
||||
Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
|
||||
***NOTE*** The exception to the GPL is included to allow you to distribute
|
||||
a combined work that includes FreeRTOS without being obliged to provide the
|
||||
source code for proprietary components outside of the FreeRTOS kernel.
|
||||
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 and the FreeRTOS license exception along with FreeRTOS; if not it
|
||||
can be viewed here: http://www.freertos.org/a00114.html and also obtained
|
||||
by writing to Richard Barry, contact details for whom are available on the
|
||||
FreeRTOS WEB site.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
|
||||
http://www.FreeRTOS.org - Documentation, latest information, license and
|
||||
contact details.
|
||||
|
||||
http://www.SafeRTOS.com - A version that is certified for use in safety
|
||||
critical systems.
|
||||
|
||||
http://www.OpenRTOS.com - Commercial support, development, porting,
|
||||
licensing and training services.
|
||||
*/
|
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#ifndef PORTMACRO_H
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#define PORTMACRO_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <machine/ic.h>
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/*-----------------------------------------------------------
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* Port specific definitions.
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*
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||||
* The settings in this file configure FreeRTOS correctly for the
|
||||
* given hardware and compiler.
|
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*
|
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* These settings should not be altered.
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*-----------------------------------------------------------
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*/
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/* Type definitions. */
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#define portCHAR char
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#define portFLOAT float
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#define portDOUBLE double
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#define portLONG long
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#define portSHORT short
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#define portSTACK_TYPE unsigned portLONG
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#define portBASE_TYPE portLONG
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#if( configUSE_16_BIT_TICKS == 1 )
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typedef unsigned portSHORT portTickType;
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#define portMAX_DELAY ( portTickType ) 0xffff
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#else
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typedef unsigned portLONG portTickType;
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#define portMAX_DELAY ( portTickType ) 0xffffffff
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#endif
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/*-----------------------------------------------------------*/
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/* Architecture specifics. */
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#define portSTACK_GROWTH ( -1 )
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#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
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#define portBYTE_ALIGNMENT 4
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#define portNOP() __asm__ volatile ( "mov r0, r0" )
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#define portCRITICAL_NESTING_IN_TCB 1
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#define portIRQ_TRAP_YIELD 31
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#define portKERNEL_INTERRUPT_PRIORITY_LEVEL 0
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#define portSYSTEM_INTERRUPT_PRIORITY_LEVEL 0
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/*-----------------------------------------------------------*/
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|
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/* Task utilities. */
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extern void vPortYield( void );
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/*---------------------------------------------------------------------------*/
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|
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#define portYIELD() asm __volatile__( " trap #%0 "::"i"(portIRQ_TRAP_YIELD):"memory")
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/*---------------------------------------------------------------------------*/
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extern void vTaskEnterCritical( void );
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extern void vTaskExitCritical( void );
|
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#define portENTER_CRITICAL() vTaskEnterCritical()
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#define portEXIT_CRITICAL() vTaskExitCritical()
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/*---------------------------------------------------------------------------*/
|
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|
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/* Critical section management. */
|
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#define portDISABLE_INTERRUPTS() ic->cpl = ( portSYSTEM_INTERRUPT_PRIORITY_LEVEL + 1 )
|
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#define portENABLE_INTERRUPTS() ic->cpl = portKERNEL_INTERRUPT_PRIORITY_LEVEL
|
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|
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/*---------------------------------------------------------------------------*/
|
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|
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#define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) if( xHigherPriorityTaskWoken != pdFALSE ) vTaskSwitchContext()
|
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|
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/*---------------------------------------------------------------------------*/
|
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|
||||
#define portSAVE_CONTEXT() \
|
||||
asm __volatile__ \
|
||||
( \
|
||||
"sub r1, #68 \n" /* Make space on the stack for the context. */ \
|
||||
"std r2, [r1] + 0 \n" \
|
||||
"stq r4, [r1] + 8 \n" \
|
||||
"stq r8, [r1] + 24 \n" \
|
||||
"stq r12, [r1] + 40 \n" \
|
||||
"mov r6, rtt \n" \
|
||||
"mov r7, psr \n" \
|
||||
"std r6, [r1] + 56 \n" \
|
||||
"movhi r2, #16384 \n" /* Set the pointer to the IC. */ \
|
||||
"ldub r3, [r2] + 2 \n" /* Load the current interrupt mask. */ \
|
||||
"st r3, [r1]+ 64 \n" /* Store the interrupt mask on the stack. */ \
|
||||
"ld r2, [r0]+short(pxCurrentTCB) \n" /* Load the pointer to the TCB. */ \
|
||||
"st r1, [r2] \n" /* Save the stack pointer into the TCB. */ \
|
||||
"mov r14, r1 \n" /* Compiler expects r14 to be set to the function stack. */ \
|
||||
);
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
#define portRESTORE_CONTEXT() \
|
||||
asm __volatile__( \
|
||||
"ld r2, [r0]+short(pxCurrentTCB) \n" /* Load the TCB to find the stack pointer and context. */ \
|
||||
"ld r1, [r2] \n" \
|
||||
"movhi r2, #16384 \n" /* Set the pointer to the IC. */ \
|
||||
"ld r3, [r1] + 64 \n" /* Load the previous interrupt mask. */ \
|
||||
"stb r3, [r2] + 2 \n" /* Set the current interrupt mask to be the previous. */ \
|
||||
"ldd r6, [r1] + 56 \n" /* Restore context. */ \
|
||||
"mov rtt, r6 \n" \
|
||||
"mov psr, r7 \n" \
|
||||
"ldd r2, [r1] + 0 \n" \
|
||||
"ldq r4, [r1] + 8 \n" \
|
||||
"ldq r8, [r1] + 24 \n" \
|
||||
"ldq r12, [r1] + 40 \n" \
|
||||
"add r1, #68 \n" \
|
||||
"rti \n" \
|
||||
);
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
/* 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 )
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
/*
|
||||
FreeRTOS V6.0.5 - Copyright (C) 2010 Real Time Engineers Ltd.
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* If you are: *
|
||||
* *
|
||||
* + New to FreeRTOS, *
|
||||
* + Wanting to learn FreeRTOS or multitasking in general quickly *
|
||||
* + Looking for basic training, *
|
||||
* + Wanting to improve your FreeRTOS skills and productivity *
|
||||
* *
|
||||
* then take a look at the FreeRTOS eBook *
|
||||
* *
|
||||
* "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
* A pdf reference manual is also available. Both are usually delivered *
|
||||
* to your inbox within 20 minutes to two hours when purchased between 8am *
|
||||
* and 8pm GMT (although please allow up to 24 hours in case of *
|
||||
* exceptional circumstances). Thank you for your support! *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
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 (version 2) as published by the
|
||||
Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
|
||||
***NOTE*** The exception to the GPL is included to allow you to distribute
|
||||
a combined work that includes FreeRTOS without being obliged to provide the
|
||||
source code for proprietary components outside of the FreeRTOS kernel.
|
||||
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 and the FreeRTOS license exception along with FreeRTOS; if not it
|
||||
can be viewed here: http://www.freertos.org/a00114.html and also obtained
|
||||
by writing to Richard Barry, contact details for whom are available on the
|
||||
FreeRTOS WEB site.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
|
||||
http://www.FreeRTOS.org - Documentation, latest information, license and
|
||||
contact details.
|
||||
|
||||
http://www.SafeRTOS.com - A version that is certified for use in safety
|
||||
critical systems.
|
||||
|
||||
http://www.OpenRTOS.com - Commercial support, development, porting,
|
||||
licensing and training services.
|
||||
*/
|
||||
|
||||
#ifndef PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#include <machine/ic.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 portLONG
|
||||
#define portBASE_TYPE portLONG
|
||||
|
||||
#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
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Architecture specifics. */
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
|
||||
#define portBYTE_ALIGNMENT 4
|
||||
#define portNOP() __asm__ volatile ( "mov r0, r0" )
|
||||
#define portCRITICAL_NESTING_IN_TCB 1
|
||||
#define portIRQ_TRAP_YIELD 31
|
||||
#define portKERNEL_INTERRUPT_PRIORITY_LEVEL 0
|
||||
#define portSYSTEM_INTERRUPT_PRIORITY_LEVEL 0
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Task utilities. */
|
||||
|
||||
extern void vPortYield( void );
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
#define portYIELD() asm __volatile__( " trap #%0 "::"i"(portIRQ_TRAP_YIELD):"memory")
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
extern void vTaskEnterCritical( void );
|
||||
extern void vTaskExitCritical( void );
|
||||
#define portENTER_CRITICAL() vTaskEnterCritical()
|
||||
#define portEXIT_CRITICAL() vTaskExitCritical()
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
/* Critical section management. */
|
||||
#define portDISABLE_INTERRUPTS() ic->cpl = ( portSYSTEM_INTERRUPT_PRIORITY_LEVEL + 1 )
|
||||
#define portENABLE_INTERRUPTS() ic->cpl = portKERNEL_INTERRUPT_PRIORITY_LEVEL
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
#define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) if( xHigherPriorityTaskWoken != pdFALSE ) vTaskSwitchContext()
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
#define portSAVE_CONTEXT() \
|
||||
asm __volatile__ \
|
||||
( \
|
||||
"sub r1, #68 \n" /* Make space on the stack for the context. */ \
|
||||
"std r2, [r1] + 0 \n" \
|
||||
"stq r4, [r1] + 8 \n" \
|
||||
"stq r8, [r1] + 24 \n" \
|
||||
"stq r12, [r1] + 40 \n" \
|
||||
"mov r6, rtt \n" \
|
||||
"mov r7, psr \n" \
|
||||
"std r6, [r1] + 56 \n" \
|
||||
"movhi r2, #16384 \n" /* Set the pointer to the IC. */ \
|
||||
"ldub r3, [r2] + 2 \n" /* Load the current interrupt mask. */ \
|
||||
"st r3, [r1]+ 64 \n" /* Store the interrupt mask on the stack. */ \
|
||||
"ld r2, [r0]+short(pxCurrentTCB) \n" /* Load the pointer to the TCB. */ \
|
||||
"st r1, [r2] \n" /* Save the stack pointer into the TCB. */ \
|
||||
"mov r14, r1 \n" /* Compiler expects r14 to be set to the function stack. */ \
|
||||
);
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
#define portRESTORE_CONTEXT() \
|
||||
asm __volatile__( \
|
||||
"ld r2, [r0]+short(pxCurrentTCB) \n" /* Load the TCB to find the stack pointer and context. */ \
|
||||
"ld r1, [r2] \n" \
|
||||
"movhi r2, #16384 \n" /* Set the pointer to the IC. */ \
|
||||
"ld r3, [r1] + 64 \n" /* Load the previous interrupt mask. */ \
|
||||
"stb r3, [r2] + 2 \n" /* Set the current interrupt mask to be the previous. */ \
|
||||
"ldd r6, [r1] + 56 \n" /* Restore context. */ \
|
||||
"mov rtt, r6 \n" \
|
||||
"mov psr, r7 \n" \
|
||||
"ldd r2, [r1] + 0 \n" \
|
||||
"ldq r4, [r1] + 8 \n" \
|
||||
"ldq r8, [r1] + 24 \n" \
|
||||
"ldq r12, [r1] + 40 \n" \
|
||||
"add r1, #68 \n" \
|
||||
"rti \n" \
|
||||
);
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
/* 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 )
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in New Issue