u_intr.s

来自「The combined demo is dedicated for S1C33」· S 代码 · 共 115 行

;************************************************************************************
; This file includes interrupt handler(s) for ITRON kernel.							*
;																					*
;$Revision: 1.1 $																	*
;************************************************************************************

;************************************************************************************
;*		Entry of .global definition 												*
;************************************************************************************

	.global Int_HS3xfer
	.global Int_TM8_3
	.global Int_USB_Mon
	.global Int_NIKKA

;************************************************************************************
;*		HSDMA CH.3 Transfer End interrupt occurred									*
;************************************************************************************
Int_HS3xfer:
	; save all registers
	pushn	%r15
	ld.w	%r0,%alr
	ld.w	%r1,%ahr
	pushn	%r1

	; call interrupt function of c program
	xcall	MasterDMAXferEndProc

	; load all registers
	popn	%r1
	ld.w	%ahr,%r1
	ld.w	%alr,%r0
	popn	%r15

	; interrupt return
	reti


;************************************************************************************
;*		Timer0 interrupt occurred													*
;************************************************************************************
Int_TM8_3:
	; save all registers
	pushn	%r15
	ld.w	%r0,%alr
	ld.w	%r1,%ahr
	pushn	%r1

	; call interrupt function of c program
	xcall	WaitTMIntProc

	; load all registers
	popn	%r1
	ld.w	%ahr,%r1
	ld.w	%alr,%r0
	popn	%r15

	; interrupt return
	reti


;************************************************************************************
;*		USB_MON interrupt occurred													*
;************************************************************************************
Int_USB_Mon:
	; multi interrupt enable
	pushn	%r0

	ld.w	%r0,%psr
	or	%r0,0x010
	ld.w	%psr,%r0			;   IE = 1, Interrupt:Enable

	popn	%r0

	; save all registers
	pushn	%r15
	ld.w	%r0,%alr
	ld.w	%r1,%ahr
	pushn	%r1

	; call interrupt function of c program
	xcall	USB_MON_Proc

	; load all registers
	popn	%r1
	ld.w	%ahr,%r1
	ld.w	%alr,%r0
	popn	%r15

	; interrupt return
	reti


;************************************************************************************
;*		port input interrupt occurred												*
;************************************************************************************
Int_NIKKA:
	; save all registers
	pushn	%r15
	ld.w	%r0,%alr
	ld.w	%r1,%ahr
	pushn	%r1

	; call interrupt function of c program
	xcall	InterruptProc

	; load all registers
	popn	%r1
	ld.w	%ahr,%r1
	ld.w	%alr,%r0
	popn	%r15

	; interrupt return
	reti