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Support to get into DDB from hardclock interrupts by putting a value in 

the RPB wait field.
This commit is contained in:
ragge 2001-06-12 13:20:29 +00:00
parent 8f96f4b21c
commit 5335780e31
1 changed files with 10 additions and 2 deletions
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12
sys/arch/vax/vax/intvec.s
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@ -1,4 +1,4 @@
/* $NetBSD: intvec.s,v 1.61 2001/05/29 21:28:14 ragge Exp $ */
/* $NetBSD: intvec.s,v 1.62 2001/06/12 13:20:29 ragge Exp $ */
/*
* Copyright (c) 1994, 1997 Ludd, University of Lule}, Sweden.
@ -35,6 +35,7 @@
#include <sys/cdefs.h>
#include <net/netisr.h>
#include "opt_ddb.h"
#include "opt_cputype.h"
#include "opt_emulate.h"
#include "opt_multiprocessor.h"
@ -359,7 +360,14 @@ TRAPCALL(ddbtrap, T_KDBTRAP)
SCBENTRY(hardclock)
mtpr $0xc1,$PR_ICCS # Reset interrupt flag
pushr $0x3f
#ifdef DDB
tstl 0x80000100 # rpb wait element
beql 1f # set, jmp to debugger
pushl $0
pushl $T_KDBTRAP
jbr Xtrap
#endif
1: pushr $0x3f
incl _C_LABEL(clock_intrcnt)+EV_COUNT # count the number of clock interrupts
adwc $0,_C_LABEL(clock_intrcnt)+EV_COUNT+4
#if VAX46 || VAXANY