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author | 2014-03-18 22:36:27 +0000 | |
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committer | 2014-03-18 22:36:27 +0000 | |
commit | fbe7d4c033ce635420b2c13710eea55df02e4009 (patch) | |
tree | c4a7e9952fd10b8bab25ad2f7306fb43eba193a0 /lib/libc/arch/m68k/string/memset.S | |
parent | To prevent lock ordering problems with the kernel lock, we need to make sure (diff) | |
download | wireguard-openbsd-fbe7d4c033ce635420b2c13710eea55df02e4009.tar.xz wireguard-openbsd-fbe7d4c033ce635420b2c13710eea55df02e4009.zip |
Retire hp300, mvme68k and mvme88k ports. These ports have no users, keeping
this hardware alive is becoming increasingly difficult, and I should heed the
message sent by the three disks which have died on me over the last few days.
Noone sane will mourn these ports anyway. So long, and thanks for the fish.
Diffstat (limited to 'lib/libc/arch/m68k/string/memset.S')
-rw-r--r-- | lib/libc/arch/m68k/string/memset.S | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/lib/libc/arch/m68k/string/memset.S b/lib/libc/arch/m68k/string/memset.S deleted file mode 100644 index 2d868d36036..00000000000 --- a/lib/libc/arch/m68k/string/memset.S +++ /dev/null @@ -1,86 +0,0 @@ -/* $OpenBSD: memset.S,v 1.6 2013/02/02 13:29:14 miod Exp $ */ -/*- - * Copyright (c) 1990 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. - * - * 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. 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. - */ - -#include "DEFS.h" - -/* - * This is probably not the best we can do, but it is still much - * faster than the C version in the portable gen directory. - * - * Things that might help: - * - unroll the longword loop (might not be good for a 68020) - * - longword, as opposed to word, align when possible (only on the 68020) - * - use nested DBcc instructions or use one and limit size to 64K - */ -ENTRY(memset) - movl %d2,%sp@- - movl %sp@(8),%a0 | destination - movl %sp@(16),%d0 | count - beq bzdone | nothing to do - movb %sp@(15),%d2 | character - movl %a0,%d1 - btst #0,%d1 | address odd? - beq bzeven | no, skip alignment - movb %d2,%a0@+ | set one byte - subql #1,%d0 | adjust count - beq bzdone | if zero, all done -bzeven: - cmpl #15,%d0 - ble bzbloop | too small to be worthwhile - clrl %d1 | replicate byte to fill longword - movb %d2,%d1 - movl %d1,%d2 - lsll #8,%d1 - orl %d1,%d2 - lsll #8,%d1 - orl %d1,%d2 - lsll #8,%d1 - orl %d1,%d2 - movl %d0,%d1 | convert to longword count - lsrl #2,%d1 -bzlloop: - movl %d2,%a0@+ | set one longword - subql #1,%d1 | adjust count - bne bzlloop | still more, keep going - andl #3,%d0 | what remains - beq bzdone | nothing, all done -bzbloop: - movb %d2,%a0@+ | set one byte - subql #1,%d0 | adjust count - bne bzbloop | still more, keep going -bzdone: - movl %sp@(8),%d0 | return destination - moveal %d0,%a0 - movl %sp@+,%d2 - rts |