diff options
| author | Mats O Jansson <maja@cvs.openbsd.org> | 1997-09-10 11:47:13 +0000 |
|---|---|---|
| committer | Mats O Jansson <maja@cvs.openbsd.org> | 1997-09-10 11:47:13 +0000 |
| commit | ccaf04f4bb2a93a41db1352978899ff3191f9193 (patch) | |
| tree | babab3fd533e6bdec85087b8fd342e2616556e73 /sys/arch/vax/include/param.h | |
| parent | 7ee17d6b3862934e2abfa86ded9fdde7be1133ca (diff) | |
Sync with NetBSD 970516. -moj
Diffstat (limited to 'sys/arch/vax/include/param.h')
| -rw-r--r-- | sys/arch/vax/include/param.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/sys/arch/vax/include/param.h b/sys/arch/vax/include/param.h index ef99aae85d8..ea2c9f5b78e 100644 --- a/sys/arch/vax/include/param.h +++ b/sys/arch/vax/include/param.h @@ -1,5 +1,5 @@ -/* $OpenBSD: param.h,v 1.7 1997/01/16 14:26:25 maja Exp $ */ -/* $NetBSD: param.h,v 1.22 1997/01/11 11:06:17 ragge Exp $ */ +/* $OpenBSD: param.h,v 1.8 1997/09/10 11:47:09 maja Exp $ */ +/* $NetBSD: param.h,v 1.23 1997/02/24 23:23:06 fvdl Exp $ */ /*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. @@ -58,10 +58,17 @@ * Round p (pointer or byte index) up to a correctly-aligned value * for all data types (int, long, ...). The result is u_int and * must be cast to any desired pointer type. + * + * ALIGNED_POINTER is a boolean macro that checks whether an address + * is valid to fetch data elements of type t from on this architecture. + * This does not reflect the optimal alignment, just the possibility + * (within reasonable limits). + * */ -#define ALIGNBYTES (sizeof(int) - 1) -#define ALIGN(p) (((u_int)(p) + ALIGNBYTES) &~ ALIGNBYTES) +#define ALIGNBYTES (sizeof(int) - 1) +#define ALIGN(p) (((u_int)(p) + ALIGNBYTES) &~ ALIGNBYTES) +#define ALIGNED_POINTER(p,t) ((((u_long)(p)) & (sizeof(t)-1)) == 0) #define PGSHIFT 9 /* LOG2(NBPG) */ #define NBPG (1<<PGSHIFT) /* (1 << PGSHIFT) bytes/page */ |