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Support interrupt vector auto-detection on level-trigged devices also.

This commit is contained in:
ragge 1999-08-14 18:42:17 +00:00
parent 962bc94a90
commit 9752aa250e
1 changed files with 6 additions and 1 deletions
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7
sys/arch/vax/vax/scb.c
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@ -1,4 +1,4 @@
/* $NetBSD: scb.c,v 1.5 1999/08/08 11:46:30 ragge Exp $ */
/* $NetBSD: scb.c,v 1.6 1999/08/14 18:42:17 ragge Exp $ */
/*
* Copyright (c) 1999 Ludd, University of Lule}, Sweden.
* All rights reserved.
@ -93,12 +93,16 @@ scb_stray(arg)
int arg;
{
struct callsframe *cf = FRAMEOFFSET(arg);
int *a = &cf->ca_arg1;
gotintr = 1;
vector = ((cf->ca_pc - (u_int)scb_vec)/4) & ~3;
ipl = mfpr(PR_IPL);
if (cold == 0)
printf("stray interrupt: vector 0x%x, ipl %d\n", vector, ipl);
else
a[8] = (a[8] & 0xffe0ffff) | ipl << 16;
mtpr(ipl + 1, PR_IPL);
}
/*
@ -129,6 +133,7 @@ scb_vecref(rvec, ripl)
*ripl = ipl;
save = gotintr;
gotintr = vector = ipl = 0;
mtpr(0, PR_IPL);
return save;
}