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authorrichardbarry <richardbarry@1d2547de-c912-0410-9cb9-b8ca96c0e9e2>2008-08-07 18:51:34 +0000
committerrichardbarry <richardbarry@1d2547de-c912-0410-9cb9-b8ca96c0e9e2>2008-08-07 18:51:34 +0000
commit5c9afb08bd4bd89637ab6cabf391826a78405ee2 (patch)
tree52d94d484611dea6bc18bb29c3b736f6b35c2b09 /Source
parent0fdbb8f6fac336d4fdd932a46f34c261603dcc0a (diff)
downloadfreertos-5c9afb08bd4bd89637ab6cabf391826a78405ee2.tar.gz
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Prepare for V2 port.
git-svn-id: https://freertos.svn.sourceforge.net/svnroot/freertos/trunk@429 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
Diffstat (limited to 'Source')
-rw-r--r--Source/portable/GCC/ColdFire_V2/mcf5xxx_lo.S402
-rw-r--r--Source/portable/GCC/ColdFire_V2/port.c70
-rw-r--r--Source/portable/GCC/ColdFire_V2/portmacro.h135
3 files changed, 607 insertions, 0 deletions
diff --git a/Source/portable/GCC/ColdFire_V2/mcf5xxx_lo.S b/Source/portable/GCC/ColdFire_V2/mcf5xxx_lo.S
new file mode 100644
index 00000000..ee7cf13d
--- /dev/null
+++ b/Source/portable/GCC/ColdFire_V2/mcf5xxx_lo.S
@@ -0,0 +1,402 @@
+
+/*
+ * File: mcf5xxx.s
+ * Purpose: Lowest level routines for all ColdFire processors.
+ *
+ * Notes:
+ *
+ * File provided by FreeScale.
+ */
+
+ .global french_cheese
+
+ .text
+
+/********************************************************************
+ * This routine is the lowest-level exception handler.
+ */
+ /*
+asm_exception_handler:
+_asm_exception_handler:
+ lea -16(SP),SP
+ movem.l D0-D1/A0-A1,(SP)
+ lea 16(SP),A1
+ move.l A1,-(SP)
+ jsr mcf5xxx_exception_handler
+ lea 4(SP),SP
+ movem.l (SP),D0-D1/A0-A1
+ lea 16(SP),SP
+ rte
+
+/********************************************************************/
+/*
+ * This routines changes the IPL to the value passed into the routine.
+ * It also returns the old IPL value back.
+ * Calling convention from C:
+ * old_ipl = asm_set_ipl(new_ipl);
+ * For the Diab Data C compiler, it passes return value thru D0.
+ * Note that only the least significant three bits of the passed
+ * value are used.
+ */
+
+french_cheese:
+ link A6,#-8
+ movem.l D6-D7,(SP)
+
+ move.w SR,D7 /* current sr */
+
+ move.l D7,D0 /* prepare return value */
+ andi.l #0x0700,D0 /* mask out IPL */
+ lsr.l #8,D0 /* IPL */
+
+ move.l 8(A6),D6 /* get argument */
+ andi.l #0x07,D6 /* least significant three bits */
+ lsl.l #8,D6 /* move over to make mask */
+
+ andi.l #0x0000F8FF,D7 /* zero out current IPL */
+ or.l D6,D7 /* place new IPL in sr */
+ move.w D7,SR
+
+ movem.l (SP),D6-D7
+ lea 8(SP),SP
+ unlk A6
+ rts
+
+/********************************************************************/
+ .end
+
+
+
+
+#if 0
+
+/*
+ * File: mcf5xxx.s
+ * Purpose: Lowest level routines for all ColdFire processors.
+ *
+ * Notes:
+ *
+ */
+
+#define mcf5xxx_exception_handler _mcf5xxx_exception_handler
+
+ .extern mcf5xxx_exception_handler
+
+ //.global asm_exception_handler
+ //.global _asm_exception_handler
+ .global asm_set_ipl
+ .global _asm_set_ipl
+ .global mcf5xxx_exe_wdebug
+ .global _mcf5xxx_exe_wdebug
+ //.global mcf5xxx_wr_cacr
+ //.global _mcf5xxx_wr_cacr
+ .global mcf5xxx_wr_asid
+ .global _mcf5xxx_wr_asid
+ .global mcf5xxx_wr_acr0
+ .global _mcf5xxx_wr_acr0
+ .global mcf5xxx_wr_acr1
+ .global _mcf5xxx_wr_acr1
+ .global mcf5xxx_wr_acr2
+ .global _mcf5xxx_wr_acr2
+ .global mcf5xxx_wr_acr3
+ .global _mcf5xxx_wr_acr3
+ .global mcf5xxx_wr_mmubar
+ .global _mcf5xxx_wr_mmubar
+ .global mcf5xxx_wr_other_a7
+ .global _mcf5xxx_wr_other_a7
+ // .global mcf5xxx_wr_vbr
+ // .global _mcf5xxx_wr_vbr
+ .global mcf5xxx_wr_macsr
+ .global _mcf5xxx_wr_macsr
+ .global mcf5xxx_wr_mask
+ .global _mcf5xxx_wr_mask
+ .global mcf5xxx_wr_acc0
+ .global _mcf5xxx_wr_acc0
+ .global mcf5xxx_wr_accext01
+ .global _mcf5xxx_wr_accext01
+ .global mcf5xxx_wr_accext23
+ .global _mcf5xxx_wr_accext23
+ .global mcf5xxx_wr_acc1
+ .global _mcf5xxx_wr_acc1
+ .global mcf5xxx_wr_acc2
+ .global _mcf5xxx_wr_acc2
+ .global mcf5xxx_wr_acc3
+ .global _mcf5xxx_wr_acc3
+ .global mcf5xxx_wr_sr
+ .global _mcf5xxx_wr_sr
+ .global mcf5xxx_wr_pc
+ .global _mcf5xxx_wr_pc
+ .global mcf5xxx_wr_rombar0
+ .global _mcf5xxx_wr_rombar0
+ .global mcf5xxx_wr_rombar1
+ .global _mcf5xxx_wr_rombar1
+ .global mcf5xxx_wr_rambar0
+ .global _mcf5xxx_wr_rambar0
+ .global mcf5xxx_wr_rambar1
+ .global _mcf5xxx_wr_rambar1
+ .global mcf5xxx_wr_mpcr
+ .global _mcf5xxx_wr_mpcr
+ .global mcf5xxx_wr_secmbar
+ .global _mcf5xxx_wr_secmbar
+ .global mcf5xxx_wr_mbar
+ .global _mcf5xxx_wr_mbar
+
+ .text
+
+/********************************************************************
+ * This routine is the lowest-level exception handler.
+ */
+ /*
+asm_exception_handler:
+_asm_exception_handler:
+ lea -16(SP),SP
+ movem.l D0-D1/A0-A1,(SP)
+ lea 16(SP),A1
+ move.l A1,-(SP)
+ jsr mcf5xxx_exception_handler
+ lea 4(SP),SP
+ movem.l (SP),D0-D1/A0-A1
+ lea 16(SP),SP
+ rte
+
+/********************************************************************/
+/*
+ * This routines changes the IPL to the value passed into the routine.
+ * It also returns the old IPL value back.
+ * Calling convention from C:
+ * old_ipl = asm_set_ipl(new_ipl);
+ * For the Diab Data C compiler, it passes return value thru D0.
+ * Note that only the least significant three bits of the passed
+ * value are used.
+ */
+
+asm_set_ipl:
+_asm_set_ipl:
+ link A6,#-8
+ movem.l D6-D7,(SP)
+
+ move.w SR,D7 /* current sr */
+
+ move.l D7,D0 /* prepare return value */
+ andi.l #0x0700,D0 /* mask out IPL */
+ lsr.l #8,D0 /* IPL */
+
+ move.l 8(A6),D6 /* get argument */
+ andi.l #0x07,D6 /* least significant three bits */
+ lsl.l #8,D6 /* move over to make mask */
+
+ andi.l #0x0000F8FF,D7 /* zero out current IPL */
+ or.l D6,D7 /* place new IPL in sr */
+ move.w D7,SR
+
+ movem.l (SP),D6-D7
+ lea 8(SP),SP
+ unlk A6
+ rts
+
+/********************************************************************/
+/*
+ * These routines execute special ColdFire instructions
+ */
+
+mcf5xxx_exe_wdebug:
+_mcf5xxx_exe_wdebug:
+ move.l 4(sp),a0
+ wdebug.l (a0)
+ rts
+
+/********************************************************************/
+/*
+ * These routines write to the special purpose registers in the ColdFire
+ * core. Since these registers are write-only in the supervisor model,
+ * no corresponding read routines exist.
+ */
+
+mcf5xxx_wr_sr:
+_mcf5xxx_wr_sr:
+ move.l 4(SP),D0
+ move.w D0,SR
+ rts
+/*
+mcf5xxx_wr_cacr:
+_mcf5xxx_wr_cacr:
+ move.l 4(SP),D0
+ .long 0x4e7b0002 /* movec d0,cacr */
+/*
+ nop
+ rts
+*/
+mcf5xxx_wr_asid:
+_mcf5xxx_wr_asid:
+ move.l 4(SP),D0
+ .long 0x4e7b0003 /* movec d0,asid */
+ nop
+ rts
+
+mcf5xxx_wr_acr0:
+_mcf5xxx_wr_acr0:
+ move.l 4(SP),D0
+ .long 0x4e7b0004 /* movec d0,ACR0 */
+ nop
+ rts
+
+mcf5xxx_wr_acr1:
+_mcf5xxx_wr_acr1:
+ move.l 4(SP),D0
+ .long 0x4e7b0005 /* movec d0,ACR1 */
+ nop
+ rts
+
+mcf5xxx_wr_acr2:
+_mcf5xxx_wr_acr2:
+ move.l 4(SP),D0
+ .long 0x4e7b0006 /* movec d0,ACR2 */
+ nop
+ rts
+
+mcf5xxx_wr_acr3:
+_mcf5xxx_wr_acr3:
+ move.l 4(SP),D0
+ .long 0x4e7b0007 /* movec d0,ACR3 */
+ nop
+ rts
+
+mcf5xxx_wr_mmubar:
+_mcf5xxx_wr_mmubar:
+ move.l 4(SP),D0
+ .long 0x4e7b0008 /* movec d0,MBAR */
+ nop
+ rts
+
+mcf5xxx_wr_other_a7:
+_mcf5xxx_wr_other_a7:
+ move.l 4(SP),D0
+ .long 0x4e7b0800 /* movec d0,OTHER_A7 */
+ nop
+ rts
+
+/*
+mcf5xxx_wr_vbr:
+_mcf5xxx_wr_vbr:
+ move.l 4(SP),D0
+ .long 0x4e7b0801 /* movec d0,VBR */
+ /*
+ nop
+ rts
+*/
+mcf5xxx_wr_macsr:
+_mcf5xxx_wr_macsr:
+ move.l 4(SP),D0
+ .long 0x4e7b0804 /* movec d0,MACSR */
+ nop
+ rts
+
+mcf5xxx_wr_mask:
+_mcf5xxx_wr_mask:
+ move.l 4(SP),D0
+ .long 0x4e7b0805 /* movec d0,MASK */
+ nop
+ rts
+
+mcf5xxx_wr_acc0:
+_mcf5xxx_wr_acc0:
+ move.l 4(SP),D0
+ .long 0x4e7b0806 /* movec d0,ACC0 */
+ nop
+ rts
+
+mcf5xxx_wr_accext01:
+_mcf5xxx_wr_accext01:
+ move.l 4(SP),D0
+ .long 0x4e7b0807 /* movec d0,ACCEXT01 */
+ nop
+ rts
+
+mcf5xxx_wr_accext23:
+_mcf5xxx_wr_accext23:
+ move.l 4(SP),D0
+ .long 0x4e7b0808 /* movec d0,ACCEXT23 */
+ nop
+ rts
+
+mcf5xxx_wr_acc1:
+_mcf5xxx_wr_acc1:
+ move.l 4(SP),D0
+ .long 0x4e7b0809 /* movec d0,ACC1 */
+ nop
+ rts
+
+mcf5xxx_wr_acc2:
+_mcf5xxx_wr_acc2:
+ move.l 4(SP),D0
+ .long 0x4e7b080A /* movec d0,ACC2 */
+ nop
+ rts
+
+mcf5xxx_wr_acc3:
+_mcf5xxx_wr_acc3:
+ move.l 4(SP),D0
+ .long 0x4e7b080B /* movec d0,ACC3 */
+ nop
+ rts
+
+mcf5xxx_wr_pc:
+_mcf5xxx_wr_pc:
+ move.l 4(SP),D0
+ .long 0x4e7b080F /* movec d0,PC */
+ nop
+ rts
+
+mcf5xxx_wr_rombar0:
+_mcf5xxx_wr_rombar0:
+ move.l 4(SP),D0
+ .long 0x4e7b0C00 /* movec d0,ROMBAR0 */
+ nop
+ rts
+
+mcf5xxx_wr_rombar1:
+_mcf5xxx_wr_rombar1:
+ move.l 4(SP),D0
+ .long 0x4e7b0C01 /* movec d0,ROMBAR1 */
+ nop
+ rts
+
+mcf5xxx_wr_rambar0:
+_mcf5xxx_wr_rambar0:
+ move.l 4(SP),D0
+ .long 0x4e7b0C04 /* movec d0,RAMBAR0 */
+ nop
+ rts
+
+mcf5xxx_wr_rambar1:
+_mcf5xxx_wr_rambar1:
+ move.l 4(SP),D0
+ .long 0x4e7b0C05 /* movec d0,RAMBAR1 */
+ nop
+ rts
+
+mcf5xxx_wr_mpcr:
+_mcf5xxx_wr_mpcr:
+ move.l 4(SP),D0
+ .long 0x4e7b0C0C /* movec d0,MPCR */
+ nop
+ rts
+
+mcf5xxx_wr_secmbar:
+_mcf5xxx_wr_secmbar:
+ move.l 4(SP),D0
+ .long 0x4e7b0C0E /* movec d0,MBAR1 */
+ nop
+ rts
+
+mcf5xxx_wr_mbar:
+_mcf5xxx_wr_mbar:
+ move.l 4(SP),D0
+ .long 0x4e7b0C0F /* movec d0,MBAR0 */
+ nop
+ rts
+
+/********************************************************************/
+ .end
+
+#endif
diff --git a/Source/portable/GCC/ColdFire_V2/port.c b/Source/portable/GCC/ColdFire_V2/port.c
new file mode 100644
index 00000000..17bc0ae2
--- /dev/null
+++ b/Source/portable/GCC/ColdFire_V2/port.c
@@ -0,0 +1,70 @@
+/*
+ FreeRTOS.org V5.0.3 - Copyright (C) 2003-2008 Richard Barry.
+
+ This file is part of the FreeRTOS.org distribution.
+
+ FreeRTOS.org 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.org 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.org; 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.org, 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.
+
+ ***************************************************************************
+ ***************************************************************************
+ * *
+ * SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, *
+ * and even write all or part of your application on your behalf. *
+ * See http://www.OpenRTOS.com for details of the services we provide to *
+ * expedite your project. *
+ * *
+ ***************************************************************************
+ ***************************************************************************
+
+ Please ensure to read the configuration and relevant port sections of the
+ online documentation.
+
+ 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.
+*/
+
+/* Kernel includes. */
+
+#include "FreeRTOS.h"
+#include "task.h"
+
+
+portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE * pxTopOfStack, pdTASK_CODE pxCode, void *pvParameters )
+{
+ return NULL;
+}
+/*-----------------------------------------------------------*/
+
+portBASE_TYPE xPortStartScheduler( void )
+{
+}
+/*-----------------------------------------------------------*/
+
+void vPortEndScheduler( void )
+{
+}
+/*-----------------------------------------------------------*/ \ No newline at end of file
diff --git a/Source/portable/GCC/ColdFire_V2/portmacro.h b/Source/portable/GCC/ColdFire_V2/portmacro.h
new file mode 100644
index 00000000..f503d8a8
--- /dev/null
+++ b/Source/portable/GCC/ColdFire_V2/portmacro.h
@@ -0,0 +1,135 @@
+/*
+ FreeRTOS.org V5.0.3 - Copyright (C) 2003-2008 Richard Barry.
+
+ This file is part of the FreeRTOS.org distribution.
+
+ FreeRTOS.org 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.org 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.org; 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.org, 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.
+
+ ***************************************************************************
+ ***************************************************************************
+ * *
+ * SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, *
+ * and even write all or part of your application on your behalf. *
+ * See http://www.OpenRTOS.com for details of the services we provide to *
+ * expedite your project. *
+ * *
+ ***************************************************************************
+ ***************************************************************************
+
+ Please ensure to read the configuration and relevant port sections of the
+ online documentation.
+
+ 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
+
+/* System include files */
+#include <plib.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*-----------------------------------------------------------
+ * 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 long
+#define portBASE_TYPE long
+
+#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 4
+#define portSTACK_GROWTH -4
+#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
+/*-----------------------------------------------------------*/
+
+#define portDISABLE_INTERRUPTS()
+#define portENABLE_INTERRUPTS()
+
+
+extern void vTaskEnterCritical( void );
+extern void vTaskExitCritical( void );
+#define portENTER_CRITICAL() vPortEnterCritical()
+#define portEXIT_CRITICAL() vPortExitCritical()
+
+extern unsigned portBASE_TYPE uxPortSetInterruptMaskFromISR();
+extern void vPortClearInterruptMaskFromISR( unsigned portBASE_TYPE );
+#define portSET_INTERRUPT_MASK_FROM_ISR() uxPortSetInterruptMaskFromISR()
+#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusRegister ) vPortClearInterruptMaskFromISR( uxSavedStatusRegister )
+
+/*-----------------------------------------------------------*/
+
+/* Task utilities. */
+
+#define portYIELD()
+
+
+#define portNOP() asm volatile ( "nop" )
+
+/*-----------------------------------------------------------*/
+
+/* Task function macros as described on the FreeRTOS.org WEB site. */
+#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) __attribute__((noreturn))
+#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
+/*-----------------------------------------------------------*/
+
+#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) \
+ { \
+ portYIELD(); \
+ }
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PORTMACRO_H */
+