blob: 5724466be71012902373d233531b27a1fe6eccc6 [file] [log] [blame]
;/*
; FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
;
; ***************************************************************************
; * *
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; ***************************************************************************
;
; 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.
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; http://www.OpenRTOS.com - Commercial support, development, porting,
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;*/
#include "ISR_Support.h"
;------------------------------------------------------------------------------
#if __CORE__ != __78K0R__
#error "This file is only for 78K0R Devices"
#endif
#define CS 0xFFFFC
#define ES 0xFFFFD
; Functions implemented in this file
;------------------------------------------------------------------------------
PUBLIC vPortYield
PUBLIC vPortStart
; Functions used by scheduler
;------------------------------------------------------------------------------
EXTERN vTaskSwitchContext
EXTERN vTaskIncrementTick
; Tick ISR Prototype
;------------------------------------------------------------------------------
; EXTERN ?CL78K0R_V2_L00
PUBWEAK `??MD_INTTM05??INTVEC 68`
PUBLIC MD_INTTM05
MD_INTTM05 SYMBOL "MD_INTTM05"
`??MD_INTTM05??INTVEC 68` SYMBOL "??INTVEC 68", MD_INTTM05
;------------------------------------------------------------------------------
; Yield to another task. Implemented as a software interrupt. The return
; address and PSW will have been saved to the stack automatically before
; this code runs.
;
; Input: NONE
;
; Call: CALL vPortYield
;
; Output: NONE
;
;------------------------------------------------------------------------------
RSEG CODE:CODE
vPortYield:
portSAVE_CONTEXT ; Save the context of the current task.
call vTaskSwitchContext ; Call the scheduler to select the next task.
portRESTORE_CONTEXT ; Restore the context of the next task to run.
retb
;------------------------------------------------------------------------------
; Restore the context of the first task that is going to run.
;
; Input: NONE
;
; Call: CALL vPortStart
;
; Output: NONE
;
;------------------------------------------------------------------------------
RSEG CODE:CODE
vPortStart:
portRESTORE_CONTEXT ; Restore the context of whichever task the ...
reti ; An interrupt stack frame is used so the task
; is started using a RETI instruction.
;------------------------------------------------------------------------------
; Perform the necessary steps of the Tick Count Increment and Task Switch
; depending on the chosen kernel configuration
;
; Input: NONE
;
; Call: ISR
;
; Output: NONE
;
;------------------------------------------------------------------------------
MD_INTTM05:
portSAVE_CONTEXT ; Save the context of the current task.
call vTaskIncrementTick ; Call the timer tick function.
#if configUSE_PREEMPTION == 1
call vTaskSwitchContext ; Call the scheduler to select the next task.
#endif
portRESTORE_CONTEXT ; Restore the context of the next task to run.
reti
; REQUIRE ?CL78K0R_V2_L00
COMMON INTVEC:CODE:ROOT(1) ; Set ISR location to the Interrupt vector table.
ORG 68
`??MD_INTTM05??INTVEC 68`:
DW MD_INTTM05
COMMON INTVEC:CODE:ROOT(1) ; Set ISR location to the Interrupt vector table.
ORG 126
`??vPortYield??INTVEC 126`:
DW vPortYield
; Set value for the usCriticalNesting.
RSEG NEAR_ID:CONST:SORT:NOROOT(1)
`?<Initializer for usCriticalNesting>`:
DW 10
;#endif
END