ack/mach/sparc/libem/trp.s

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420 B
ArmAsm
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1991-09-20 16:05:17 +00:00
.global trp, write
trp:
set trpim, %o1
ld [%o1], %o2
srl %o2, %o0, %o1
andcc %o2, 1, %g0
bz 2f
nop
retl
nop
2:
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set trppc, %o2
ld [%o2], %o1
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tst %o1
bz 1f
nop
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st %g0,[%o2]
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dec 4, %l0
st %o0, [%l0]
jmp %o1
nop
1:
save %sp, -64, %sp
set 2, %o0
set message, %o1
set message_high-message, %o2
call write
nop
restore
ta 2
st %g0, [%g0]
message:
.ascii "the error code is in %o0\n"
message_high: