From owner-svn-src-stable-7@FreeBSD.ORG Tue Jul 26 13:19:58 2011 Return-Path: Delivered-To: svn-src-stable-7@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DD87A1065677; Tue, 26 Jul 2011 13:19:58 +0000 (UTC) (envelope-from marius@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 845EC8FC1B; Tue, 26 Jul 2011 13:19:57 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id p6QDJvqK009950; Tue, 26 Jul 2011 13:19:57 GMT (envelope-from marius@svn.freebsd.org) Received: (from marius@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id p6QDJvPR009948; Tue, 26 Jul 2011 13:19:57 GMT (envelope-from marius@svn.freebsd.org) Message-Id: <201107261319.p6QDJvPR009948@svn.freebsd.org> From: Marius Strobl Date: Tue, 26 Jul 2011 13:19:57 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org X-SVN-Group: stable-7 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r224430 - stable/7/sys/boot/i386/boot2 X-BeenThere: svn-src-stable-7@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for only the 7-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Jul 2011 13:20:02 -0000 Author: marius Date: Tue Jul 26 13:19:57 2011 New Revision: 224430 URL: http://svn.freebsd.org/changeset/base/224430 Log: MFC: r214210 Avoid using memcpy() for copying 32bit chunks. This shrinks the resulting code a little. Approved by: rpaulo (mentor) Reviewed by: jhb Modified: stable/7/sys/boot/i386/boot2/boot2.c Directory Properties: stable/7/sys/ (props changed) stable/7/sys/cddl/contrib/opensolaris/ (props changed) stable/7/sys/contrib/dev/acpica/ (props changed) stable/7/sys/contrib/pf/ (props changed) Modified: stable/7/sys/boot/i386/boot2/boot2.c ============================================================================== --- stable/7/sys/boot/i386/boot2/boot2.c Tue Jul 26 13:13:31 2011 (r224429) +++ stable/7/sys/boot/i386/boot2/boot2.c Tue Jul 26 13:19:57 2011 (r224430) @@ -349,7 +349,7 @@ load(void) return; p += hdr.ex.a_data + roundup2(hdr.ex.a_bss, PAGE_SIZE); bootinfo.bi_symtab = VTOP(p); - memcpy(p, &hdr.ex.a_syms, sizeof(hdr.ex.a_syms)); + *(uint32_t*)p = hdr.ex.a_syms; p += sizeof(hdr.ex.a_syms); if (hdr.ex.a_syms) { if (xfsread(ino, p, hdr.ex.a_syms)) @@ -386,7 +386,7 @@ load(void) if (xfsread(ino, &es, sizeof(es))) return; for (i = 0; i < 2; i++) { - memcpy(p, &es[i].sh_size, sizeof(es[i].sh_size)); + *(Elf32_Word *)p = es[i].sh_size; p += sizeof(es[i].sh_size); fs_off = es[i].sh_offset; if (xfsread(ino, p, es[i].sh_size))