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Use a volatile variable in DELAY() macro so that gcc4 won't omit it.

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Fixes output corruption on DCA console boot.

XXX some mips ports have the similar macro in <machine/param.h>.
This commit is contained in:
tsutsui 2006-07-02 10:40:25 +00:00
parent 94f3432c06
commit 8fee3d1ece
1 changed files with 2 additions and 2 deletions
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4
sys/arch/hp300/stand/common/samachdep.h
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@ -1,4 +1,4 @@
/* $NetBSD: samachdep.h,v 1.12 2006/06/25 17:34:30 tsutsui Exp $ */
/* $NetBSD: samachdep.h,v 1.13 2006/07/02 10:40:25 tsutsui Exp $ */
/*
* Copyright (c) 1982, 1990, 1993
@ -106,7 +106,7 @@ void _transfer(char *, int, int, int, char *, char *);
int tgets(char *);
#define DELAY(n) { register int N = cpuspeed * (n); while (--N > 0); }
#define DELAY(n) { volatile int N = cpuspeed * (n); while (--N > 0); }
/* bogon grfinfo structure to keep grf_softc happy */
struct grfinfo {