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File: [Development] / linux-2.6-xfs / arch / sparc64 / lib / GENmemcpy.S (download)

Revision 1.1, Wed Sep 12 17:09:56 2007 UTC (10 years, 1 month ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD

Update 2.6.x-xfs to 2.6.23-rc4.

Also update fs/xfs with external mainline changes.
There were 12 such missing commits that I detected:

--------
commit ad690ef9e690f6c31f7d310b09ef1314bcec9033
Author: Al Viro <viro@ftp.linux.org.uk>
    xfs ioctl __user annotations

commit 20c2df83d25c6a95affe6157a4c9cac4cf5ffaac
Author: Paul Mundt <lethal@linux-sh.org>
    mm: Remove slab destructors from kmem_cache_create().

commit d0217ac04ca6591841e5665f518e38064f4e65bd
Author: Nick Piggin <npiggin@suse.de>
    mm: fault feedback #1

commit 54cb8821de07f2ffcd28c380ce9b93d5784b40d7
Author: Nick Piggin <npiggin@suse.de>
    mm: merge populate and nopage into fault (fixes nonlinear)

commit d00806b183152af6d24f46f0c33f14162ca1262a
Author: Nick Piggin <npiggin@suse.de>
    mm: fix fault vs invalidate race for linear mappings

commit a569425512253992cc64ebf8b6d00a62f986db3e
Author: Christoph Hellwig <hch@infradead.org>
    knfsd: exportfs: add exportfs.h header

commit 831441862956fffa17b9801db37e6ea1650b0f69
Author: Rafael J. Wysocki <rjw@sisk.pl>
    Freezer: make kernel threads nonfreezable by default

commit 8e1f936b73150f5095448a0fee6d4f30a1f9001d
Author: Rusty Russell <rusty@rustcorp.com.au>
    mm: clean up and kernelify shrinker registration

commit 5ffc4ef45b3b0a57872f631b4e4ceb8ace0d7496
Author: Jens Axboe <jens.axboe@oracle.com>
    sendfile: remove .sendfile from filesystems that use generic_file_sendfile()

commit 8bb7844286fb8c9fce6f65d8288aeb09d03a5e0d
Author: Rafael J. Wysocki <rjw@sisk.pl>
    Add suspend-related notifications for CPU hotplug

commit 59c51591a0ac7568824f541f57de967e88adaa07
Author: Michael Opdenacker <michael@free-electrons.com>
    Fix occurrences of "the the "

commit 0ceb331433e8aad9c5f441a965d7c681f8b9046f
Author: Dmitriy Monakhov <dmonakhov@openvz.org>
    mm: move common segment checks to separate helper function
--------
Merge of 2.6.x-xfs-melb:linux:29656b by kenmcd.

/* GENmemcpy.S: Generic sparc64 memcpy.
 *
 * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
 */

#ifdef __KERNEL__
#define GLOBAL_SPARE	%g7
#else
#define GLOBAL_SPARE	%g5
#endif

#ifndef EX_LD
#define EX_LD(x)	x
#endif

#ifndef EX_ST
#define EX_ST(x)	x
#endif

#ifndef EX_RETVAL
#define EX_RETVAL(x)	x
#endif

#ifndef LOAD
#define LOAD(type,addr,dest)	type [addr], dest
#endif

#ifndef STORE
#define STORE(type,src,addr)	type src, [addr]
#endif

#ifndef FUNC_NAME
#define FUNC_NAME	GENmemcpy
#endif

#ifndef PREAMBLE
#define PREAMBLE
#endif

#ifndef XCC
#define XCC xcc
#endif

	.register	%g2,#scratch
	.register	%g3,#scratch

	.text
	.align		64

	.globl	FUNC_NAME
	.type	FUNC_NAME,#function
FUNC_NAME:	/* %o0=dst, %o1=src, %o2=len */
	srlx		%o2, 31, %g2
	cmp		%g2, 0
	tne		%XCC, 5
	PREAMBLE
	mov		%o0, GLOBAL_SPARE

	cmp		%o2, 0
	be,pn		%XCC, 85f
	 or		%o0, %o1, %o3
	cmp		%o2, 16
	blu,a,pn	%XCC, 80f
	 or		%o3, %o2, %o3

	xor		%o0, %o1, %o4
	andcc		%o4, 0x7, %g0
	bne,a,pn	%XCC, 90f
	 sub		%o0, %o1, %o3

	and		%o0, 0x7, %o4
	sub		%o4, 0x8, %o4
	sub		%g0, %o4, %o4
	sub		%o2, %o4, %o2
1:	subcc		%o4, 1, %o4
	EX_LD(LOAD(ldub, %o1, %g1))
	EX_ST(STORE(stb, %g1, %o0))
	add		%o1, 1, %o1
	bne,pt		%XCC, 1b
	add		%o0, 1, %o0

	andn		%o2, 0x7, %g1
	sub		%o2, %g1, %o2
1:	subcc		%g1, 0x8, %g1
	EX_LD(LOAD(ldx, %o1, %g2))
	EX_ST(STORE(stx, %g2, %o0))
	add		%o1, 0x8, %o1
	bne,pt		%XCC, 1b
	 add		%o0, 0x8, %o0

	brz,pt		%o2, 85f
	 sub		%o0, %o1, %o3
	ba,a,pt		%XCC, 90f

	.align		64
80: /* 0 < len <= 16 */
	andcc		%o3, 0x3, %g0
	bne,pn		%XCC, 90f
	 sub		%o0, %o1, %o3

1:
	subcc		%o2, 4, %o2
	EX_LD(LOAD(lduw, %o1, %g1))
	EX_ST(STORE(stw, %g1, %o1 + %o3))
	bgu,pt		%XCC, 1b
	 add		%o1, 4, %o1

85:	retl
	 mov		EX_RETVAL(GLOBAL_SPARE), %o0

	.align		32
90:
	subcc		%o2, 1, %o2
	EX_LD(LOAD(ldub, %o1, %g1))
	EX_ST(STORE(stb, %g1, %o1 + %o3))
	bgu,pt		%XCC, 90b
	 add		%o1, 1, %o1
	retl
	 mov		EX_RETVAL(GLOBAL_SPARE), %o0

	.size		FUNC_NAME, .-FUNC_NAME