mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-04-19 21:11:57 -04:00
Continue 78K0R development.
This commit is contained in:
Richard Barry
parent
299557fed2
commit
bfd67da1e7
99
Source/portable/IAR/78K0R/ISR_Support.h
Normal file
99
Source/portable/IAR/78K0R/ISR_Support.h
Normal file
|
|
@ -0,0 +1,99 @@
|
|||
; FreeRTOS.org V5.1.1 - 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.
|
||||
;
|
||||
; ***************************************************************************
|
||||
; 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.
|
||||
; ***************************************************************************
|
||||
;
|
||||
;------------------------------------------------------------------------------
|
||||
|
||||
#include "FreeRTOSConfig.h"
|
||||
|
||||
; Variables used by scheduler
|
||||
;------------------------------------------------------------------------------
|
||||
EXTERN pxCurrentTCB
|
||||
EXTERN usCriticalNesting
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; portSAVE_CONTEXT MACRO
|
||||
; Saves the context of the remaining general purpose registers, CS and ES
|
||||
; (only in far memory mode) registers
|
||||
; the usCriticalNesting Value and the Stack Pointer
|
||||
; of the active Task onto the task stack
|
||||
;------------------------------------------------------------------------------
|
||||
portSAVE_CONTEXT MACRO
|
||||
|
||||
PUSH AX ; save AX Register to stack
|
||||
PUSH HL
|
||||
#if configMEMORY_MODE == 1
|
||||
MOV A, CS ; save CS register
|
||||
XCH A, X
|
||||
MOV A, ES ; save ES register
|
||||
PUSH AX
|
||||
#else
|
||||
MOV A, CS ; save CS register
|
||||
PUSH AX
|
||||
#endif
|
||||
PUSH DE ; save the remaining general purpose registers
|
||||
PUSH BC
|
||||
MOVW AX, usCriticalNesting ; save the usCriticalNesting value
|
||||
PUSH AX
|
||||
MOVW AX, pxCurrentTCB ; save the Stack pointer
|
||||
MOVW HL, AX
|
||||
MOVW AX, SP
|
||||
MOVW [HL], AX
|
||||
ENDM
|
||||
;------------------------------------------------------------------------------
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; portRESTORE_CONTEXT MACRO
|
||||
; Restores the context of the Stack Pointer, usCriticalNesting
|
||||
; value, general purpose registers and the CS and ES (only in far memory mode)
|
||||
; of the selected task from the task stack
|
||||
;------------------------------------------------------------------------------
|
||||
|
||||
portRESTORE_CONTEXT MACRO
|
||||
MOVW AX, pxCurrentTCB ; restore the Stack pointer
|
||||
MOVW HL, AX
|
||||
MOVW AX, [HL]
|
||||
MOVW SP, AX
|
||||
POP AX ; restore usCriticalNesting value
|
||||
MOVW usCriticalNesting, AX
|
||||
POP BC ; restore the necessary general purpose registers
|
||||
POP DE
|
||||
#if configMEMORY_MODE == 1
|
||||
POP AX ; restore the ES register
|
||||
MOV ES, A
|
||||
XCH A, X ; restore the CS register
|
||||
MOV CS, A
|
||||
#else
|
||||
POP AX
|
||||
MOV CS, A ; restore CS register
|
||||
#endif
|
||||
POP HL ; restore general purpose register HL
|
||||
POP AX ; restore AX
|
||||
ENDM
|
||||
;------------------------------------------------------------------------------
|
||||
|
|
@ -29,8 +29,7 @@
|
|||
; ***************************************************************************
|
||||
;
|
||||
;------------------------------------------------------------------------------
|
||||
; Note: Select the correct include files for the device used by the application.
|
||||
#include "FreeRTOSConfig.h"
|
||||
#include "ISR_Support.h"
|
||||
;------------------------------------------------------------------------------
|
||||
|
||||
#if __CORE__ != __78K0R__
|
||||
|
|
@ -51,12 +50,6 @@
|
|||
EXTERN vTaskSwitchContext
|
||||
EXTERN vTaskIncrementTick
|
||||
|
||||
; Variables used by scheduler
|
||||
;------------------------------------------------------------------------------
|
||||
EXTERN pxCurrentTCB
|
||||
EXTERN usCriticalNesting
|
||||
|
||||
|
||||
; Tick ISR Prototype
|
||||
;------------------------------------------------------------------------------
|
||||
EXTERN ?CL78K0R_V2_L00
|
||||
|
|
@ -68,66 +61,6 @@ MD_INTTM05 SYMBOL "MD_INTTM05"
|
|||
`??MD_INTTM05??INTVEC 68` SYMBOL "??INTVEC 68", MD_INTTM05
|
||||
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; portSAVE_CONTEXT MACRO
|
||||
; Saves the context of the remaining general purpose registers, CS and ES
|
||||
; (only in far memory mode) registers
|
||||
; the usCriticalNesting Value and the Stack Pointer
|
||||
; of the active Task onto the task stack
|
||||
;------------------------------------------------------------------------------
|
||||
portSAVE_CONTEXT MACRO
|
||||
|
||||
PUSH AX ; save AX Register to stack
|
||||
PUSH HL
|
||||
#if configMEMORY_MODE == 1
|
||||
MOV A, CS ; save CS register
|
||||
XCH A, X
|
||||
MOV A, ES ; save ES register
|
||||
PUSH AX
|
||||
#else
|
||||
MOV A, CS ; save CS register
|
||||
PUSH AX
|
||||
#endif
|
||||
PUSH DE ; save the remaining general purpose registers
|
||||
PUSH BC
|
||||
MOVW AX, usCriticalNesting ; save the usCriticalNesting value
|
||||
PUSH AX
|
||||
MOVW AX, pxCurrentTCB ; save the Stack pointer
|
||||
MOVW HL, AX
|
||||
MOVW AX, SP
|
||||
MOVW [HL], AX
|
||||
ENDM
|
||||
;------------------------------------------------------------------------------
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; portRESTORE_CONTEXT MACRO
|
||||
; Restores the context of the Stack Pointer, usCriticalNesting
|
||||
; value, general purpose registers and the CS and ES (only in far memory mode)
|
||||
; of the selected task from the task stack
|
||||
;------------------------------------------------------------------------------
|
||||
|
||||
portRESTORE_CONTEXT MACRO
|
||||
MOVW AX, pxCurrentTCB ; restore the Stack pointer
|
||||
MOVW HL, AX
|
||||
MOVW AX, [HL]
|
||||
MOVW SP, AX
|
||||
POP AX ; restore usCriticalNesting value
|
||||
MOVW usCriticalNesting, AX
|
||||
POP BC ; restore the necessary general purpose registers
|
||||
POP DE
|
||||
#if configMEMORY_MODE == 1
|
||||
POP AX ; restore the ES register
|
||||
MOV ES, A
|
||||
XCH A, X ; restore the CS register
|
||||
MOV CS, A
|
||||
#else
|
||||
POP AX
|
||||
MOV CS, A ; restore CS register
|
||||
#endif
|
||||
POP HL ; restore general purpose register HL
|
||||
POP AX ; restore AX
|
||||
ENDM
|
||||
;------------------------------------------------------------------------------
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; Port Yield function to check for a Task switch in the cooperative mode
|
||||
|
|
|
|||
|
|
@ -124,9 +124,8 @@ extern volatile unsigned portSHORT usCriticalNesting; \
|
|||
|
||||
/* Task utilities. */
|
||||
extern void vPortStart( void );
|
||||
extern void portSAVE_CONTEXT( void );
|
||||
extern void portRESTORE_CONTEXT( void );
|
||||
#define portYIELD() __asm( "BRK" )
|
||||
#define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) if( xHigherPriorityTaskWoken ) vTaskSwitchContext()
|
||||
#define portNOP() __asm( "NOP" )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue