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Don't install extintr handler if not supplied.

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Make panic message more informative.
This commit is contained in:
matt 2002-07-16 16:39:12 +00:00
parent 5c7b6b0606
commit 3dc1994d70
1 changed files with 4 additions and 3 deletions
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7
sys/arch/powerpc/mpc6xx/mpc6xx_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: mpc6xx_machdep.c,v 1.3 2002/07/09 19:05:00 matt Exp $ */
/* $NetBSD: mpc6xx_machdep.c,v 1.4 2002/07/16 16:39:12 matt Exp $ */
/*
* Copyright (C) 2002 Matt Thomas
@ -268,7 +268,8 @@ mpc6xx_init(void (*handler)(void))
/*
* external interrupt handler install
*/
mpc6xx_install_extint(handler);
if (handler)
mpc6xx_install_extint(handler);
__syncicache(0, EXC_LAST + 0x100);
@ -393,7 +394,7 @@ mpc6xx_install_extint(void (*handler)(void))
#ifdef DIAGNOSTIC
if (offset > 0x1ffffff)
panic("install_extint: too far away");
panic("install_extint: %p too far away (%#x)", handler, offset);
#endif
__asm __volatile ("mfmsr %0; andi. %1,%0,%2; mtmsr %1"
: "=r" (omsr), "=r" (msr)