handler.s

展讯SC6600D例程

;Copyright Spreadtrum 2005, All rights reserved.
;2005-11-11
;
;This is the example of exception handlers.
;
;
;
;Import exception handlers.
	IMPORT SCI_OutputStrLoop
;	IMPORT IRQ_Handler
;	IMPORT FIQ_Handler

	EXPORT SCI_HandleUndefined
	EXPORT SCI_HandleSWI
	EXPORT SCI_HandlePrefetch
	EXPORT SCI_HandleAbort
	EXPORT SCI_HandleIRQ
	EXPORT SCI_HandleFIQ


	AREA handler, CODE, READONLY
	
	ENTRY
	
SCI_HandleUndefined
	LDR	R0, =msg_undefined
	B	SCI_OutputStrLoop

SCI_HandleSWI
	LDR	R0, =msg_swi
	B	SCI_OutputStrLoop

SCI_HandlePrefetch
	LDR	R0, =msg_prefetch
	B	SCI_OutputStrLoop

SCI_HandleAbort
	LDR	R0, =msg_abort
	B	SCI_OutputStrLoop

SCI_HandleIRQ
	LDR	R0, =msg_irq
	B	SCI_OutputStrLoop

SCI_HandleFIQ
	LDR	R0, =msg_fiq
	B	SCI_OutputStrLoop

msg_undefined	DCB	"SCI_HandleUndefined: Undefined Handler .", 0	
msg_swi			DCB	"SCI_HandleSWI:	SWI Handler .", 0
msg_prefetch	DCB	"SCI_HandlePrefetch: Prefetch Handler.", 0
msg_abort		DCB	"SCI_HandleAbort: Abort Handler .", 0
msg_irq			DCB	"SCI_HandleIRQ: IRQ Handler .", 0
msg_fiq			DCB	"SCI_HandleFIQ: FIQ Handler .", 0

    END