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; ###----------------------------------------------------------------###
; # file : exc024.u #
; # date : Mar 26 1996 #
; # descr. : functional test for mips #
; ###----------------------------------------------------------------###
; ###--------------------------------------------------------###
; # exceptions : #
; # - instruction bus error #
; ###--------------------------------------------------------###
adr .equ 0x400000C8 ; bus error address
.org 0x00400000
.start init
init:
loadi r31 , good
; ###--------------------------------------------------------###
; # jump at adr and dbe low (instruction bus error exception)#
; # berr is driven by mips_dec.vbe... #
; ###--------------------------------------------------------###
loadi r1, adr
jr r1 ; EXCEPTION (instruction bus error)
nop
j bad
nop
.org 0x004000D0
good: j good
nop
.org 0x004000D8
bad: j bad
nop
.end
|
