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...wrong version last time...

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This commit is contained in:
gwr 1994-06-29 05:34:16 +00:00
parent c51c8eb6c8
commit ab9bc34d8d
1 changed files with 14 additions and 3 deletions
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17
sys/arch/sun3/sun3/softint.s
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@ -39,9 +39,14 @@
*
* from: @(#)locore.s 7.11 (Berkeley) 5/9/91
* locore.s,v 1.2 1993/05/22 07:57:30 cgd Exp
* $Id: softint.s,v 1.6 1994/06/29 05:34:16 gwr Exp $
*/
/* this code is un-altered from the hp300 code */
/*
* This code is (mostly) un-altered from the hp300 code,
* except that sun machines do not need a simulated SIR
* because they have a real software interrupt register.
*/
/*
* Emulation of VAX REI instruction.
*
@ -55,7 +60,11 @@
* This code is complicated by the fact that sendsig may have been called
* necessitating a stack cleanup.
*/
#ifdef NEED_SSIR /* Now using isr_soft_request() */
.comm _ssir,1
#endif /* NEED_SSIR */
.globl _astpending
rei:
#ifdef STACKCHECK
@ -105,7 +114,7 @@ Laststkadj:
#endif
Lchksir:
#if 0 /* XXX - Now using isr_soft_request() */
#ifdef NEED_SSIR /* Now using isr_soft_request() */
tstb _ssir | SIR pending?
jeq Ldorte | no, all done
movl d0,sp@- | need a scratch register
@ -137,7 +146,7 @@ Lgotsir:
#endif
Lnosir:
movl sp@+,d0 | restore scratch register
#endif /* XXX */
#endif /* NEED_SSIR */
Ldorte:
#ifdef STACKCHECK
@ -189,6 +198,7 @@ ENTRY(spl0)
moveq #0,d0
movw sr,d0 | get old SR for return
movw #PSL_LOWIPL,sr | restore new SR
#ifdef NEED_SSIR /* Now using isr_soft_request() */
tstb _ssir | software interrupt pending?
jeq Lspldone | no, all done
subql #4,sp | make room for RTE frame
@ -197,4 +207,5 @@ ENTRY(spl0)
movw #PSL_LOWIPL,sp@ | and new SR
jra Lgotsir | go handle it
Lspldone:
#endif /* NEED_SSIR */
rts