tools/usb


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/*
 * Based on arch/arm/lib/strchr.S
 *
 * Copyright (C) 1995-2000 Russell King
 * Copyright (C) 2013 ARM Ltd.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <linux/linkage.h>
#include <asm/assembler.h>

/*
 * Find the first occurrence of a character in a string.
 *
 * Parameters:
 *	x0 - str
 *	x1 - c
 * Returns:
 *	x0 - address of first occurrence of 'c' or 0
 */
WEAK(strchr)
	and	w1, w1, #0xff
1:	ldrb	w2, [x0], #1
	cmp	w2, w1
	ccmp	w2, wzr, #4, ne
	b.ne	1b
	sub	x0, x0, #1
	cmp	w2, w1
	csel	x0, x0, xzr, eq
	ret
ENDPROC(strchr)
Age	Commit message (Expand)	Author
2016-05-03	usbip: adding names db to port operation	Nobuo Iwata
2016-04-26	usbip: tools: Start using VUDC backend in usbip tools	Igor Kotrasinski
2016-04-26	usbip: tools: Add vudc backend to usbip tools	Krzysztof Opasiak
2016-04-26	usbip: tools: Extract generic code to be shared with vudc backend	Krzysztof Opasiak
2015-10-22	Merge tag 'usb-for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/bal...	Greg Kroah-Hartman
2015-09-27	tools: usb: testusb: change the default value for length from 512 to 1024	Peter Chen
2015-09-27	tools: usb: testusb: change the help text	Peter Chen
2015-09-22	tools: usbip: detach: avoid calling strlen() at each iteration	Eric Curtin
2015-01-15	tools: ffs-aio-example: use endpoint addresses from descriptors	Robert Baldyga
2015-01-12	tools: ffs-aio-example: add missing wMaxPacketSize for HS descs	Robert Baldyga
2014-12-14	Merge tag 'usb-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gre...	Linus Torvalds
2014-12-02	usbip: remove unneeded structure	Julia Lawall
2014-11-20	treewide: fix typo in printk and Kconfig	Masanari Iida
2014-11-20	Replace mentions of "list_struct" to "list_head"	Andrey Utkin
2014-09-16	Merge tag 'v3.17-rc5' into next	Felipe Balbi
2014-09-08	Merge tag 'v3.17-rc4' into next	Felipe Balbi
2014-09-04	usb: usbip: fix usbip.h path in userspace tool	Piotr Król
2014-09-02	tools: ffs-test: add compatibility code for old kernels	Michal Nazarewicz
2014-09-02	tools: ffs-test: convert to new descriptor format	Michal Nazarewicz
2014-08-25	usbip: move usbip userspace code out of staging	Valentina Manea
2014-07-21	Merge tag 'usb-for-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ba...	Greg Kroah-Hartman
2014-06-30	tools: ffs-test: fix header values endianess	Michal Nazarewicz
2014-06-30	tools: ffs-aio-example: add license information	Robert Baldyga
2014-06-30	tools: ffs-aio-example: convert to new descriptor format	Robert Baldyga
2014-06-30	tools: ffs-aio-example: fix header values endianess	Robert Baldyga
2014-06-27	Revert "tools: ffs-test: convert to new descriptor format fixing compilation ...	Felipe Balbi
2014-06-19	tools: ffs-test: convert to new descriptor format fixing compilation error	Michal Nazarewicz
2014-05-14	tools: usb: aio example applications	Robert Baldyga
2013-12-04	usb: tools: fix a regression issue that gcc can't link to pthread	Huang Rui
2013-03-07	tools: usb: ffs-test: Fix build failure	Maxin B. John
2013-02-08	testusb: remove all mentions of 'usbfs'	Sergei Shtylyov
2013-01-11	tools/usb: remove unneeded 'continue' and simplify condition	Sasha Levin
2012-09-10	tools/usb: remove last USBFS user	Sebastian Andrzej Siewior
2012-06-13	testusb: expose looping forever option "l" to user	Du, ChangbinX
2012-05-15	USB: testusb: add path /dev/bus/usb to default search paths for usbfs	Du, ChangbinX
2012-05-07	USB: ffs-test: fix length argument of out function call	Matthias Fend
2012-03-22	Merge branch 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kern...	Linus Torvalds
2012-02-28	USB: ffs-test: Don't duplicate {get,put}_unaligned*() functions	Matt Fleming
2012-01-24	usb: gadget: update Michal Nazarewicz's email address	Michal Nazarewicz
2011-02-28	USB: ffs-test: fix header path	Davidlohr Bueso
2011-02-17	USB: tools: Add a Makefile	Davidlohr Bueso
2011-01-22	USB: usbtest - add alignment tests to test script	Martin Fuzzey
2011-01-22	USB: usbtest - add shell script to test HCDs	David Brownell
2010-05-20	USB: testusb: testusb compatibility with FunctionFS gadget	Michal Nazarewicz
2010-05-20	USB: testusb: an USB testing application	David Brownell
2010-05-20	USB: ffs-test: FunctionFS testing program	Michal Nazarewicz