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fix register restore to be safe for n32 model.

This commit is contained in:
castor 1999-06-04 21:35:47 +00:00
parent 4281f72137
commit 4f92d800a6
1 changed files with 2 additions and 2 deletions
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4
sys/arch/mips/mips/locore.S
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@ -1,4 +1,4 @@
/* $NetBSD: locore.S,v 1.72 1999/05/18 01:36:52 nisimura Exp $ */
/* $NetBSD: locore.S,v 1.73 1999/06/04 21:35:47 castor Exp $ */
/*
* Copyright (c) 1992, 1993
@ -363,7 +363,7 @@ LEAF(switch_exit)
lw v0, _C_LABEL(proc0paddr) # get proc0 p_addr
nop
sw v0, _C_LABEL(curpcb) # set current pcb
lw sp, U_PCB_CONTEXT+SF_REG_SP(v0) # restore stack pointer
REG_L sp, U_PCB_CONTEXT+SF_REG_SP(v0) # restore stack pointer
la ra, sw1 # rathole to cpu_switch()
j _C_LABEL(exit2) # proc already in a0
sub sp, sp, CALLFRAME_SIZ #BDSlot: set stack call frame