mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-04-19 21:11:57 -04:00
More work in progress on NEC port and demo.
This commit is contained in:
Richard Barry
parent
d811a00690
commit
cadd182942
171
Source/portable/IAR/V850ES_Fx3/ISR_Support.h
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171
Source/portable/IAR/V850ES_Fx3/ISR_Support.h
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@ -0,0 +1,171 @@
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/*
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FreeRTOS.org V5.1.1 - Copyright (C) 2003-2008 Richard Barry.
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify
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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.
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||||||
|
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||||||
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FreeRTOS is distributed in the hope that it will be useful,
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||||||
|
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
|
||||||
|
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||||||
|
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
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||||||
|
can be applied.
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||||||
|
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||||||
|
***************************************************************************
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||||||
|
***************************************************************************
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||||||
|
* *
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||||||
|
* SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, *
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||||||
|
* 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 *
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||||||
|
* expedite your project. *
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||||||
|
* *
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||||||
|
***************************************************************************
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***************************************************************************
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||||||
|
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||||||
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Please ensure to read the configuration and relevant port sections of the
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online documentation.
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||||||
|
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||||||
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http://www.FreeRTOS.org - Documentation, latest information, license and
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||||||
|
contact details.
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||||||
|
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||||||
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http://www.SafeRTOS.com - A version that is certified for use in safety
|
||||||
|
critical systems.
|
||||||
|
|
||||||
|
http://www.OpenRTOS.com - Commercial support, development, porting,
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||||||
|
licensing and training services.
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*/
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EXTERN pxCurrentTCB
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EXTERN usCriticalNesting
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#include "FreeRTOSConfig.h"
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Context save and restore macro definitions
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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portSAVE_CONTEXT MACRO
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add -0x0C,sp ; prepare stack to save necessary values
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st.w lp,8[sp] ; store LP to stack
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stsr 0,r31
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st.w lp,4[sp] ; store EIPC to stack
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stsr 1,lp
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st.w lp,0[sp] ; store EIPSW to stack
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#if configDATA_MODE == 1 ; Using the Tiny data model
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prepare {r20,r21,r22,r23,r24,r25,r26,r27,r28,r29,r30},76,sp ; save general purpose registers
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sst.w r19,72[ep]
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sst.w r18,68[ep]
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sst.w r17,64[ep]
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sst.w r16,60[ep]
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sst.w r15,56[ep]
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sst.w r14,52[ep]
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sst.w r13,48[ep]
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sst.w r12,44[ep]
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sst.w r11,40[ep]
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sst.w r10,36[ep]
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sst.w r9,32[ep]
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sst.w r8,28[ep]
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sst.w r7,24[ep]
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sst.w r6,20[ep]
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sst.w r5,16[ep]
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sst.w r4,12[ep]
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#else ; Using the Small/Large data model
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prepare {r20,r21,r22,r23,r24,r26,r27,r28,r29,r30},72,sp ; save general purpose registers
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sst.w r19,68[ep]
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sst.w r18,64[ep]
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sst.w r17,60[ep]
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sst.w r16,56[ep]
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sst.w r15,52[ep]
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sst.w r14,48[ep]
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sst.w r13,44[ep]
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sst.w r12,40[ep]
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sst.w r11,36[ep]
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sst.w r10,32[ep]
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sst.w r9,28[ep]
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sst.w r8,24[ep]
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sst.w r7,20[ep]
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sst.w r6,16[ep]
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sst.w r5,12[ep]
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#endif /* configDATA_MODE */
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sst.w r2,8[ep]
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sst.w r1,4[ep]
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MOVHI hi1(usCriticalNesting),r0,r1 ; save usCriticalNesting value to stack
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ld.w lw1(usCriticalNesting)[r1],r2
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sst.w r2,0[ep]
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MOVHI hi1(pxCurrentTCB),r0,r1 ; save SP to top of current TCB
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ld.w lw1(pxCurrentTCB)[r1],r2
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st.w sp,0[r2]
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ENDM
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portRESTORE_CONTEXT MACRO
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MOVHI hi1(pxCurrentTCB),r0,r1 ; get Stackpointer address
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ld.w lw1(pxCurrentTCB)[r1],sp
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MOV sp,r1
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ld.w 0[r1],sp ; load stackpointer
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MOV sp,ep ; set stack pointer to element pointer
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sld.w 0[ep],r1 ; load usCriticalNesting value from stack
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MOVHI hi1(usCriticalNesting),r0,r2
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st.w r1,lw1(usCriticalNesting)[r2]
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sld.w 4[ep],r1 ; restore general purpose registers
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sld.w 8[ep],r2
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#if configDATA_MODE == 1 ; Using Tiny data model
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sld.w 12[ep],r4
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sld.w 16[ep],r5
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sld.w 20[ep],r6
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sld.w 24[ep],r7
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sld.w 28[ep],r8
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sld.w 32[ep],r9
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sld.w 36[ep],r10
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sld.w 40[ep],r11
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sld.w 44[ep],r12
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sld.w 48[ep],r13
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sld.w 52[ep],r14
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sld.w 56[ep],r15
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sld.w 60[ep],r16
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sld.w 64[ep],r17
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sld.w 68[ep],r18
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sld.w 72[ep],r19
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dispose 76,{r20,r21,r22,r23,r24,r25,r26,r27,r28,r29,r30}
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#else ; Using Small/Large data model
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sld.w 12[ep],r5
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sld.w 16[ep],r6
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sld.w 20[ep],r7
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sld.w 24[ep],r8
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sld.w 28[ep],r9
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sld.w 32[ep],r10
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sld.w 36[ep],r11
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sld.w 40[ep],r12
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sld.w 44[ep],r13
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sld.w 48[ep],r14
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sld.w 52[ep],r15
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sld.w 56[ep],r16
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sld.w 60[ep],r17
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sld.w 64[ep],r18
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sld.w 68[ep],r19
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dispose 72,{r20,r21,r22,r23,r24,r26,r27,r28,r29,r30}
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#endif /* configDATA_MODE */
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ld.w 0[sp],lp ; restore EIPSW from stack
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ldsr lp,1
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ld.w 4[sp],lp ; restore EIPC from stack
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ldsr lp,0
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ld.w 8[sp],lp ; restore LP from stack
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add 0x0C,sp ; set SP to right position
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RETI
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ENDM
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@ -29,17 +29,17 @@
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; ***************************************************************************
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; ***************************************************************************
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;
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;
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;------------------------------------------------------------------------------
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;------------------------------------------------------------------------------
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||||||
; Note: Select the correct include files for the device used by the application.
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; Note: Select the correct include files for the device used by the application.
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#include "FreeRTOSConfig.h"
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#include "FreeRTOSConfig.h"
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;------------------------------------------------------------------------------
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;------------------------------------------------------------------------------
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; Functions used by scheduler
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; Functions used by scheduler
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;------------------------------------------------------------------------------
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;------------------------------------------------------------------------------
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EXTERN vTaskSwitchContext
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EXTERN vTaskSwitchContext
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EXTERN vTaskIncrementTick
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EXTERN vTaskIncrementTick
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; Variables used by scheduler
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; Variables used by scheduler
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;------------------------------------------------------------------------------
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;------------------------------------------------------------------------------
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EXTERN pxCurrentTCB
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EXTERN pxCurrentTCB
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EXTERN usCriticalNesting
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EXTERN usCriticalNesting
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@ -49,7 +49,7 @@
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PUBLIC vPortStart
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PUBLIC vPortStart
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; Security ID definition
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; Security ID definition
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;------------------------------------------------------------------------------
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;------------------------------------------------------------------------------
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#define CG_SECURITY0 0FFH
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#define CG_SECURITY0 0FFH
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#define CG_SECURITY1 0FFH
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#define CG_SECURITY1 0FFH
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#define CG_SECURITY2 0FFH
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#define CG_SECURITY2 0FFH
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@ -84,7 +84,7 @@ MD_INTTM0EQ0 SYMBOL "MD_INTTM0EQ0"
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; and the usCriticalNesting Value of the active Task onto the task stack
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; and the usCriticalNesting Value of the active Task onto the task stack
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; saves stack pointer to the TCB
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; saves stack pointer to the TCB
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;------------------------------------------------------------------------------
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;------------------------------------------------------------------------------
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portSAVE_CONTEXT MACRO
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portSAVE_CONTEXT MACRO
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#if configDATA_MODE == 1 ; Using the Tiny data model
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#if configDATA_MODE == 1 ; Using the Tiny data model
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prepare {r20,r21,r22,r23,r24,r25,r26,r27,r28,r29,r30},76,sp ; save general purpose registers
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prepare {r20,r21,r22,r23,r24,r25,r26,r27,r28,r29,r30},76,sp ; save general purpose registers
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sst.w r19,72[ep]
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sst.w r19,72[ep]
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@ -123,7 +123,7 @@ portSAVE_CONTEXT MACRO
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#endif /* configDATA_MODE */
|
#endif /* configDATA_MODE */
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sst.w r2,8[ep]
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sst.w r2,8[ep]
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sst.w r1,4[ep]
|
sst.w r1,4[ep]
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MOVHI hi1(usCriticalNesting),r0,r1 ; save usCriticalNesting value to stack
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MOVHI hi1(usCriticalNesting),r0,r1 ; save usCriticalNesting value to stack
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ld.w lw1(usCriticalNesting)[r1],r2
|
ld.w lw1(usCriticalNesting)[r1],r2
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sst.w r2,0[ep]
|
sst.w r2,0[ep]
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MOVHI hi1(pxCurrentTCB),r0,r1 ; save SP to top of current TCB
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MOVHI hi1(pxCurrentTCB),r0,r1 ; save SP to top of current TCB
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|
@ -136,7 +136,7 @@ portSAVE_CONTEXT MACRO
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; portRESTORE_CONTEXT MACRO
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; portRESTORE_CONTEXT MACRO
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; Gets stack pointer from the current TCB
|
; Gets stack pointer from the current TCB
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; Restores the context of the usCriticalNesting value and general purpose
|
; Restores the context of the usCriticalNesting value and general purpose
|
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; registers of the selected task from the task stack
|
; registers of the selected task from the task stack
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;------------------------------------------------------------------------------
|
;------------------------------------------------------------------------------
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portRESTORE_CONTEXT MACRO
|
portRESTORE_CONTEXT MACRO
|
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MOVHI hi1(pxCurrentTCB),r0,r1 ; get Stackpointer address
|
MOVHI hi1(pxCurrentTCB),r0,r1 ; get Stackpointer address
|
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|
|
@ -148,7 +148,7 @@ portRESTORE_CONTEXT MACRO
|
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MOVHI hi1(usCriticalNesting),r0,r2
|
MOVHI hi1(usCriticalNesting),r0,r2
|
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st.w r1,lw1(usCriticalNesting)[r2]
|
st.w r1,lw1(usCriticalNesting)[r2]
|
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sld.w 4[ep],r1 ; restore general purpose registers
|
sld.w 4[ep],r1 ; restore general purpose registers
|
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sld.w 8[ep],r2
|
sld.w 8[ep],r2
|
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#if configDATA_MODE == 1 ; Using Tiny data model
|
#if configDATA_MODE == 1 ; Using Tiny data model
|
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sld.w 12[ep],r4
|
sld.w 12[ep],r4
|
||||||
sld.w 16[ep],r5
|
sld.w 16[ep],r5
|
||||||
|
|
@ -184,7 +184,7 @@ portRESTORE_CONTEXT MACRO
|
||||||
sld.w 64[ep],r18
|
sld.w 64[ep],r18
|
||||||
sld.w 68[ep],r19
|
sld.w 68[ep],r19
|
||||||
dispose 72,{r20,r21,r22,r23,r24,r26,r27,r28,r29,r30}
|
dispose 72,{r20,r21,r22,r23,r24,r26,r27,r28,r29,r30}
|
||||||
#endif /* configDATA_MODE */
|
#endif /* configDATA_MODE */
|
||||||
ENDM
|
ENDM
|
||||||
;------------------------------------------------------------------------------
|
;------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
|
@ -200,7 +200,7 @@ portRESTORE_CONTEXT MACRO
|
||||||
RSEG CODE:CODE
|
RSEG CODE:CODE
|
||||||
vPortStart:
|
vPortStart:
|
||||||
portRESTORE_CONTEXT ; Restore the context of whichever task the ...
|
portRESTORE_CONTEXT ; Restore the context of whichever task the ...
|
||||||
ld.w 0[sp],lp
|
ld.w 0[sp],lp
|
||||||
ldsr lp,5 ; restore PSW
|
ldsr lp,5 ; restore PSW
|
||||||
DI
|
DI
|
||||||
ld.w 4[sp],lp ; restore LP
|
ld.w 4[sp],lp ; restore LP
|
||||||
|
|
@ -208,10 +208,10 @@ vPortStart:
|
||||||
ADD 0x0C,sp ; set SP to right position
|
ADD 0x0C,sp ; set SP to right position
|
||||||
EI
|
EI
|
||||||
jmp [lp]
|
jmp [lp]
|
||||||
;------------------------------------------------------------------------------
|
;------------------------------------------------------------------------------
|
||||||
|
|
||||||
;------------------------------------------------------------------------------
|
;------------------------------------------------------------------------------
|
||||||
; Port Yield function to check for a Task switch in the cooperative and
|
; Port Yield function to check for a Task switch in the cooperative and
|
||||||
; preemptive mode
|
; preemptive mode
|
||||||
;
|
;
|
||||||
; Input: NONE
|
; Input: NONE
|
||||||
|
|
@ -220,6 +220,9 @@ vPortStart:
|
||||||
;
|
;
|
||||||
; Output: NONE
|
; Output: NONE
|
||||||
;------------------------------------------------------------------------------
|
;------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
#if 0
|
||||||
|
|
||||||
RSEG CODE:CODE
|
RSEG CODE:CODE
|
||||||
vPortYield:
|
vPortYield:
|
||||||
DI
|
DI
|
||||||
|
|
@ -236,24 +239,50 @@ vPortYield:
|
||||||
ld.w 4[sp],lp ; restore PIPC
|
ld.w 4[sp],lp ; restore PIPC
|
||||||
ldsr lp,0
|
ldsr lp,0
|
||||||
ld.w 8[sp],lp ; restore LP
|
ld.w 8[sp],lp ; restore LP
|
||||||
add 0x0C,sp
|
add 0x0C,sp
|
||||||
RETI
|
RETI
|
||||||
|
|
||||||
|
#else
|
||||||
|
|
||||||
|
RSEG CODE:CODE
|
||||||
|
vPortYield:
|
||||||
|
|
||||||
|
add -0x0C,sp ; prepare stack to save necessary values
|
||||||
|
st.w lp,8[sp] ; store LP to stack
|
||||||
|
stsr 0,r31
|
||||||
|
st.w lp,4[sp] ; store EIPC to stack
|
||||||
|
stsr 1,lp
|
||||||
|
st.w lp,0[sp] ; store EIPSW to stack
|
||||||
|
portSAVE_CONTEXT ; Save the context of the current task.
|
||||||
|
jarl vTaskSwitchContext,lp ; Call the scheduler.
|
||||||
|
portRESTORE_CONTEXT ; Restore the context of whichever task the ...
|
||||||
|
; ... scheduler decided should run.
|
||||||
|
ld.w 0[sp],lp ; restore EIPSW from stack
|
||||||
|
ldsr lp,1
|
||||||
|
ld.w 4[sp],lp ; restore EIPC from stack
|
||||||
|
ldsr lp,0
|
||||||
|
ld.w 8[sp],lp ; restore LP from stack
|
||||||
|
add 0x0C,sp ; set SP to right position
|
||||||
|
|
||||||
|
RETI
|
||||||
|
|
||||||
|
#endif
|
||||||
;------------------------------------------------------------------------------
|
;------------------------------------------------------------------------------
|
||||||
|
|
||||||
;------------------------------------------------------------------------------
|
;------------------------------------------------------------------------------
|
||||||
; Perform the necessary steps of the Tick Count Increment and Task Switch
|
; Perform the necessary steps of the Tick Count Increment and Task Switch
|
||||||
; depending on the chosen kernel configuration
|
; depending on the chosen kernel configuration
|
||||||
;
|
;
|
||||||
; Input: NONE
|
; Input: NONE
|
||||||
;
|
;
|
||||||
; Call: ISR
|
; Call: ISR
|
||||||
;
|
;
|
||||||
; Output: NONE
|
; Output: NONE
|
||||||
;------------------------------------------------------------------------------
|
;------------------------------------------------------------------------------
|
||||||
#if configUSE_PREEMPTION == 1 ; use preemptive kernel mode
|
#if configUSE_PREEMPTION == 1 ; use preemptive kernel mode
|
||||||
|
|
||||||
MD_INTTM0EQ0:
|
MD_INTTM0EQ0:
|
||||||
|
|
||||||
add -0x0C,sp ; prepare stack to save necessary values
|
add -0x0C,sp ; prepare stack to save necessary values
|
||||||
st.w lp,8[sp] ; store LP to stack
|
st.w lp,8[sp] ; store LP to stack
|
||||||
stsr 0,r31
|
stsr 0,r31
|
||||||
|
|
@ -272,8 +301,8 @@ MD_INTTM0EQ0:
|
||||||
ld.w 8[sp],lp ; restore LP from stack
|
ld.w 8[sp],lp ; restore LP from stack
|
||||||
add 0x0C,sp ; set SP to right position
|
add 0x0C,sp ; set SP to right position
|
||||||
|
|
||||||
RETI
|
RETI
|
||||||
;------------------------------------------------------------------------------
|
;------------------------------------------------------------------------------
|
||||||
#else ; use cooperative kernel mode
|
#else ; use cooperative kernel mode
|
||||||
|
|
||||||
MD_INTTM0EQ0:
|
MD_INTTM0EQ0:
|
||||||
|
|
@ -284,7 +313,7 @@ MD_INTTM0EQ0:
|
||||||
sld.w 0[ep],r5
|
sld.w 0[ep],r5
|
||||||
sld.w 4[ep],r1
|
sld.w 4[ep],r1
|
||||||
dispose 8,{lp,ep}
|
dispose 8,{lp,ep}
|
||||||
RETI
|
RETI
|
||||||
#endif /* configUSE_PREEMPTION */
|
#endif /* configUSE_PREEMPTION */
|
||||||
|
|
||||||
;------------------------------------------------------------------------------
|
;------------------------------------------------------------------------------
|
||||||
|
|
@ -296,8 +325,13 @@ MD_INTTM0EQ0:
|
||||||
RSEG NEAR_ID:CONST:SORT:NOROOT(2)
|
RSEG NEAR_ID:CONST:SORT:NOROOT(2)
|
||||||
`?<Initializer for usCriticalNesting>`:
|
`?<Initializer for usCriticalNesting>`:
|
||||||
DW 10
|
DW 10
|
||||||
|
|
||||||
;------------------------------------------------------------------------------
|
COMMON INTVEC:CODE:ROOT(2)
|
||||||
|
ORG 40H
|
||||||
|
`??vPortYield??INTVEC 40`:
|
||||||
|
JR vPortYield
|
||||||
|
|
||||||
|
;------------------------------------------------------------------------------
|
||||||
; set microcontroller security ID
|
; set microcontroller security ID
|
||||||
|
|
||||||
COMMON INTVEC:CODE:ROOT(2)
|
COMMON INTVEC:CODE:ROOT(2)
|
||||||
|
|
@ -314,7 +348,7 @@ MD_INTTM0EQ0:
|
||||||
DB CG_SECURITY8
|
DB CG_SECURITY8
|
||||||
DB CG_SECURITY9
|
DB CG_SECURITY9
|
||||||
|
|
||||||
;------------------------------------------------------------------------------
|
;------------------------------------------------------------------------------
|
||||||
; set microcontroller option bytes
|
; set microcontroller option bytes
|
||||||
|
|
||||||
COMMON INTVEC:CODE:ROOT(2)
|
COMMON INTVEC:CODE:ROOT(2)
|
||||||
|
|
@ -326,5 +360,5 @@ MD_INTTM0EQ0:
|
||||||
DB OPT7D
|
DB OPT7D
|
||||||
DB OPT7E
|
DB OPT7E
|
||||||
DB OPT7F
|
DB OPT7F
|
||||||
|
|
||||||
END
|
END
|
||||||
|
|
@ -19,7 +19,7 @@
|
||||||
|
|
||||||
A special exception to the GPL can be applied should you wish to distribute
|
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
|
a combined work that includes FreeRTOS.org, without being obliged to provide
|
||||||
the source code for any proprietary components. See the licensing section
|
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
|
of http://www.FreeRTOS.org for full details of how and when the exception
|
||||||
can be applied.
|
can be applied.
|
||||||
|
|
||||||
|
|
@ -37,13 +37,13 @@
|
||||||
Please ensure to read the configuration and relevant port sections of the
|
Please ensure to read the configuration and relevant port sections of the
|
||||||
online documentation.
|
online documentation.
|
||||||
|
|
||||||
http://www.FreeRTOS.org - Documentation, latest information, license and
|
http://www.FreeRTOS.org - Documentation, latest information, license and
|
||||||
contact details.
|
contact details.
|
||||||
|
|
||||||
http://www.SafeRTOS.com - A version that is certified for use in safety
|
http://www.SafeRTOS.com - A version that is certified for use in safety
|
||||||
critical systems.
|
critical systems.
|
||||||
|
|
||||||
http://www.OpenRTOS.com - Commercial support, development, porting,
|
http://www.OpenRTOS.com - Commercial support, development, porting,
|
||||||
licensing and training services.
|
licensing and training services.
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
|
@ -55,7 +55,7 @@ extern "C" {
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/*-----------------------------------------------------------
|
/*-----------------------------------------------------------
|
||||||
* Port specific definitions.
|
* Port specific definitions.
|
||||||
*
|
*
|
||||||
* The settings in this file configure FreeRTOS correctly for the
|
* The settings in this file configure FreeRTOS correctly for the
|
||||||
* given hardware and compiler.
|
* given hardware and compiler.
|
||||||
|
|
@ -127,7 +127,8 @@ extern void vPortYield( void );
|
||||||
extern void vPortStart( void );
|
extern void vPortStart( void );
|
||||||
extern void portSAVE_CONTEXT( void );
|
extern void portSAVE_CONTEXT( void );
|
||||||
extern void portRESTORE_CONTEXT( void );
|
extern void portRESTORE_CONTEXT( void );
|
||||||
#define portYIELD() vPortYield()
|
//#define portYIELD() vPortYield()
|
||||||
|
#define portYIELD() __asm ( "trap 0" )
|
||||||
#define portNOP() __asm ( "NOP" )
|
#define portNOP() __asm ( "NOP" )
|
||||||
/*-----------------------------------------------------------*/
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue