Date: Tue, 26 Jul 2011 13:19:57 +0000 (UTC) From: Marius Strobl <marius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r224431 - stable/8/sys/boot/i386/boot2 Message-ID: <201107261319.p6QDJvgC009952@svn.freebsd.org>
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Author: marius Date: Tue Jul 26 13:19:57 2011 New Revision: 224431 URL: http://svn.freebsd.org/changeset/base/224431 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/8/sys/boot/i386/boot2/boot2.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) stable/8/sys/geom/label/ (props changed) Modified: stable/8/sys/boot/i386/boot2/boot2.c ============================================================================== --- stable/8/sys/boot/i386/boot2/boot2.c Tue Jul 26 13:19:57 2011 (r224430) +++ stable/8/sys/boot/i386/boot2/boot2.c Tue Jul 26 13:19:57 2011 (r224431) @@ -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))
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