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;/*
; * FreeRTOS Kernel V10.3.0
; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
; *
; * Permission is hereby granted, free of charge, to any person obtaining a copy of
; * this software and associated documentation files (the "Software"), to deal in
; * the Software without restriction, including without limitation the rights to
; * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
; * the Software, and to permit persons to whom the Software is furnished to do so,
; * subject to the following conditions:
; *
; * The above copyright notice and this permission notice shall be included in all
; * copies or substantial portions of the Software.
; *
; * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
; * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
; * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
; * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
; * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
; * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
; *
; * http://www.FreeRTOS.org
; * http://aws.amazon.com/freertos
; *
; * 1 tab == 4 spaces!
; */
#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 xTaskIncrementTick
; 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 xTaskIncrementTick ; 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
|
