Author: rdivacky
Date: Fri Oct 22 18:07:21 2010
New Revision: 214210
URL: http://svn.freebsd.org/changeset/base/214210
Log:
Avoid using memcpy() for copying 32bit chunks. This shrinks
the resulting code a little.
Approved by: rpaulo (mentor)
Reviewed by: jhb
Modified:
head/sys/boot/i386/boot2/boot2.c
Modified: head/sys/boot/i386/boot2/boot2.c
==============================================================================
--- head/sys/boot/i386/boot2/boot2.c Fri Oct 22 18:06:58 2010
(r214209)
+++ head/sys/boot/i386/boot2/boot2.c Fri Oct 22 18:07:21 2010
(r214210)
@@ -348,7 +348,7 @@ 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))
@@ -385,7 +385,7 @@ 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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