From ce4ec51dbe43f62fdf76d5cb42111cd8641e7c40 Mon Sep 17 00:00:00 2001 From: Tijl Coosemans <tijl@FreeBSD.org> Date: Fri, 26 Nov 2010 10:59:20 +0000 Subject: [PATCH] Merge amd64/i386 _align.h by aligning on the size of register_t (copied from powerpc). Reviewed by: imp, jhb Approved by: kib (mentor) --- sys/amd64/include/_align.h | 53 +++----------------------------------- sys/i386/include/_align.h | 47 +++------------------------------ sys/x86/include/_align.h | 52 +++++++++++++++++++++++++++++++++++++ 3 files changed, 58 insertions(+), 94 deletions(-) create mode 100644 sys/x86/include/_align.h diff --git a/sys/amd64/include/_align.h b/sys/amd64/include/_align.h index 40d70aa6dc0b..28c4669ad258 100644 --- a/sys/amd64/include/_align.h +++ b/sys/amd64/include/_align.h @@ -1,53 +1,6 @@ /*- - * Copyright (c) 2002 David E. O'Brien. All rights reserved. - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * the Systems Programming Group of the University of Utah Computer - * Science Department and Ralph Campbell. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)param.h 8.1 (Berkeley) 6/10/93 - * $FreeBSD$ + * This file is in the public domain. */ +/* $FreeBSD$ */ -#ifndef _AMD64_INCLUDE__ALIGN_H_ -#define _AMD64_INCLUDE__ALIGN_H_ - -/* - * Round p (pointer or byte index) up to a correctly-aligned value - * for all data types (int, long, ...). The result is u_long and - * must be cast to any desired pointer type. - */ -#define _ALIGNBYTES (sizeof(long) - 1) -#define _ALIGN(p) (((u_long)(p) + _ALIGNBYTES) &~ _ALIGNBYTES) - -#endif /* !_AMD64_INCLUDE__ALIGN_H_ */ +#include <x86/_align.h> diff --git a/sys/i386/include/_align.h b/sys/i386/include/_align.h index 20df0b8f85ad..28c4669ad258 100644 --- a/sys/i386/include/_align.h +++ b/sys/i386/include/_align.h @@ -1,47 +1,6 @@ /*- - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * William Jolitz. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * from: @(#)param.h 5.8 (Berkeley) 6/28/91 - * $FreeBSD$ + * This file is in the public domain. */ +/* $FreeBSD$ */ -#ifndef _I386_INCLUDE__ALIGN_H_ -#define _I386_INCLUDE__ALIGN_H_ - -/* - * Round p (pointer or byte index) up to a correctly-aligned value - * for all data types (int, long, ...). The result is unsigned int - * and must be cast to any desired pointer type. - */ -#define _ALIGNBYTES (sizeof(int) - 1) -#define _ALIGN(p) (((unsigned)(p) + _ALIGNBYTES) & ~_ALIGNBYTES) - -#endif /* !_I386_INCLUDE__ALIGN_H_ */ +#include <x86/_align.h> diff --git a/sys/x86/include/_align.h b/sys/x86/include/_align.h new file mode 100644 index 000000000000..0d0981bcf49e --- /dev/null +++ b/sys/x86/include/_align.h @@ -0,0 +1,52 @@ +/*- + * Copyright (c) 2001 David E. O'Brien + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)param.h 5.8 (Berkeley) 6/28/91 + * $FreeBSD$ + */ + +#ifndef _X86_INCLUDE__ALIGN_H_ +#define _X86_INCLUDE__ALIGN_H_ + +/* + * Round p (pointer or byte index) up to a correctly-aligned value + * for all data types (int, long, ...). The result is unsigned int + * and must be cast to any desired pointer type. + */ +#define _ALIGNBYTES (sizeof(register_t) - 1) +#define _ALIGN(p) (((uintptr_t)(p) + _ALIGNBYTES) & ~_ALIGNBYTES) + +#endif /* !_X86_INCLUDE__ALIGN_H_ */