diff options
| author |   miod <miod@openbsd.org> | 2013-02-02 13:32:05 +0000 |
|---|---|---|
| committer | miod <miod@openbsd.org> | 2013-02-02 13:32:05 +0000 |
| commit | 857bac4346e1d51d12179e663de7445d42040c0f (patch) | |
| tree | aff74df33eca2f4e364bcc095681f3fab0fbe5bb /sys/lib/libkern/arch/m68k/bzero.S | |
| parent | Userland bits for m68k/ELF. Mostly addition of register prefixes to the (diff) | |
| download | wireguard-openbsd-857bac4346e1d51d12179e663de7445d42040c0f.tar.xz wireguard-openbsd-857bac4346e1d51d12179e663de7445d42040c0f.zip | |
Kernel bits for m68k/ELF, mostly from NetBSD. In addition, the `pmod' symbel
in fpsp has to be renamed due to a clash with other parts of the kernel.
Diffstat (limited to 'sys/lib/libkern/arch/m68k/bzero.S')
| -rw-r--r-- | sys/lib/libkern/arch/m68k/bzero.S | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/sys/lib/libkern/arch/m68k/bzero.S b/sys/lib/libkern/arch/m68k/bzero.S index 8557998ba1d..b61d55ff2a1 100644 --- a/sys/lib/libkern/arch/m68k/bzero.S +++ b/sys/lib/libkern/arch/m68k/bzero.S @@ -1,4 +1,4 @@ -/* $OpenBSD: bzero.S,v 1.4 2007/11/24 19:38:04 deraadt Exp $ */ +/* $OpenBSD: bzero.S,v 1.5 2013/02/02 13:32:06 miod Exp $ */ /*- * Copyright (c) 1990 The Regents of the University of California. @@ -45,28 +45,28 @@ * - use nested DBcc instructions or use one and limit size to 64K */ ENTRY(bzero) - movl sp@(4),a0 | destination - movl sp@(8),d0 | count + movl %sp@(4),%a0 | destination + movl %sp@(8),%d0 | count beq bzdone | nothing to do - movl a0,d1 - btst #0,d1 | address odd? + movl %a0,%d1 + btst #0,%d1 | address odd? beq bzeven | no, skip alignment - clrb a0@+ | yes, clear a byte - subql #1,d0 | adjust count + clrb %a0@+ | yes, clear a byte + subql #1,%d0 | adjust count beq bzdone | if zero, all done bzeven: - movl d0,d1 - lsrl #2,d1 | convert to longword count + movl %d0,%d1 + lsrl #2,%d1 | convert to longword count beq bzbloop | no longwords, skip loop bzlloop: - clrl a0@+ | clear a longword - subql #1,d1 | adjust count + clrl %a0@+ | clear a longword + subql #1,%d1 | adjust count bne bzlloop | still more, keep going - andl #3,d0 | what remains + andl #3,%d0 | what remains beq bzdone | nothing, all done bzbloop: - clrb a0@+ | clear a byte - subql #1,d0 | adjust count + clrb %a0@+ | clear a byte + subql #1,%d0 | adjust count bne bzbloop | still more, keep going bzdone: rts |