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To be safe when called from interupt, [fs]uswintr need to preserve 

cpu_onfault.  By Etan Solomita (ethan@geocast.com).
This commit is contained in:
jeffs 2000-08-09 23:03:24 +00:00
parent 14fcd6ed41
commit 22bda73efd
1 changed files with 11 additions and 4 deletions
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15
sys/arch/mips/mips/locore.S
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@ -1,4 +1,4 @@
/* $NetBSD: locore.S,v 1.111 2000/07/25 17:56:05 jeffs Exp $ */
/* $NetBSD: locore.S,v 1.112 2000/08/09 23:03:24 jeffs Exp $ */
/*
* Copyright (c) 1992, 1993
@ -834,11 +834,12 @@ END(copyerr)
LEAF(fuswintr)
lw v1, _C_LABEL(curpcb)
la v0, _C_LABEL(fswintrberr)
lw a2, U_PCB_ONFAULT(v1)
blt a0, zero, _C_LABEL(fswintrberr)
sw v0, U_PCB_ONFAULT(v1)
lhu v0, 0(a0) # fetch short
j ra
sw zero, U_PCB_ONFAULT(v1)
sw a2, U_PCB_ONFAULT(v1)
END(fuswintr)
/*
@ -849,10 +850,11 @@ END(fuswintr)
LEAF(suswintr)
lw v1, _C_LABEL(curpcb)
la v0, _C_LABEL(fswintrberr)
lw a2, U_PCB_ONFAULT(v1)
blt a0, zero, _C_LABEL(fswintrberr)
sw v0, U_PCB_ONFAULT(v1)
sh a1, 0(a0) # store short
sw zero, U_PCB_ONFAULT(v1)
sw a2, U_PCB_ONFAULT(v1)
j ra
move v0, zero
END(suswintr)
@ -999,7 +1001,12 @@ END(badaddr)
*/
LEAF(fswintrberr)
nop
XLEAF(fswberr)
sw a2, U_PCB_ONFAULT(v1)
j ra
li v0, -1
END(fswintrberr)
LEAF(fswberr)
XLEAF(baderr)
sw zero, U_PCB_ONFAULT(v1)
j ra