/*
 * Copyright (C) 2012 ARM Ltd.
 * Author: Marc Zyngier <marc.zyngier@arm.com>
 *
 * Adapted for ARM and earlycon:
 * Copyright (C) 2014 Linaro Ltd.
 * Author: Rob Herring <robh@kernel.org>
 *
 * 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/kernel.h>
#include <linux/console.h>
#include <linux/init.h>
#include <linux/serial_core.h>

#ifdef CONFIG_THUMB2_KERNEL
#define SEMIHOST_SWI	"0xab"
#else
#define SEMIHOST_SWI	"0x123456"
#endif

/*
 * Semihosting-based debug console
 */
static void smh_putc(struct uart_port *port, int c)
{
#ifdef CONFIG_ARM64
	asm volatile("mov  x1, %0\n"
		     "mov  x0, #3\n"
		     "hlt  0xf000\n"
		     : : "r" (&c) : "x0", "x1", "memory");
#else
	asm volatile("mov  r1, %0\n"
		     "mov  r0, #3\n"
		     "svc  " SEMIHOST_SWI "\n"
		     : : "r" (&c) : "r0", "r1", "memory");
#endif
}

static void smh_write(struct console *con, const char *s, unsigned n)
{
	struct earlycon_device *dev = con->data;
	uart_console_write(&dev->port, s, n, smh_putc);
}

static int
__init early_smh_setup(struct earlycon_device *device, const char *opt)
{
	device->con->write = smh_write;
	return 0;
}
EARLYCON_DECLARE(smh, early_smh_setup);
f='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/powerpc/math/vmx_preempt.c'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/tools/testing/selftests/powerpc/math/vmx_preempt.c?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/powerpc/math/vmx_preempt.c?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/tools/testing/selftests/powerpc/math/vmx_preempt.c?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/powerpc/math/vmx_preempt.c'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/testing?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>testing</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>selftests</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/powerpc?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>powerpc</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/powerpc/math?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>math</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/powerpc/math/vmx_preempt.c?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>vmx_preempt.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-16 09:34:37 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-16 09:34:37 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/powerpc/math/vmx_preempt.c?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc</a> (<a href='/cgit.cgi/linux/net-next.git/patch/tools/testing/selftests/powerpc/math/vmx_preempt.c?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>4d8ea8e6ca52f1938269937834641205d8d888f0</a> /<a href='/cgit.cgi/linux/net-next.git/tree/tools/testing/selftests/powerpc/math/vmx_preempt.c?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>tools/testing/selftests/powerpc/math/vmx_preempt.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/powerpc/math/vmx_preempt.c?id=49def1853334396f948dcb4cedb9347abb318df5'>49def1853334396f948dcb4cedb9347abb318df5</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/testing/selftests/powerpc/math/vmx_preempt.c?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc&amp;id2=49def1853334396f948dcb4cedb9347abb318df5'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/powerpc/math/vmx_preempt.c?id=ce1ca7d2d140a1f4aaffd297ac487f246963dd2f'>ce1ca7d2d140a1f4aaffd297ac487f246963dd2f</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/testing/selftests/powerpc/math/vmx_preempt.c?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc&amp;id2=ce1ca7d2d140a1f4aaffd297ac487f246963dd2f'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'nfsd-4.10-1' of git://linux-nfs.org/~bfields/linux</div><div class='commit-msg'>Pull nfsd fixes from Bruce Fields:
 "Miscellaneous nfsd bugfixes, one for a 4.10 regression, three for
  older bugs"

* tag 'nfsd-4.10-1' of git://linux-nfs.org/~bfields/linux:
  svcrdma: avoid duplicate dma unmapping during error recovery
  sunrpc: don't call sleeping functions from the notifier block callbacks
  svcrpc: don't leak contexts on PROC_DESTROY
  nfsd: fix supported attributes for acl &amp; labels
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=2eabb8b8d68bc9c7779ba8b04bec8d4f8baed0bc'>Diffstat</a> (limited to 'tools/testing/selftests/powerpc/math/vmx_preempt.c')</div><table summary='diffstat' class='diffstat'>