Revision 0f8d06f16c9d1041d728d09d464462ebe713c662 authored by Richard Henderson on 02 November 2018, 10:20:25 UTC, committed by Peter Maydell on 02 November 2018, 14:08:38 UTC
When populating id registers from kvm, on a host that doesn't support aarch32 mode at all, neither arm_div nor jazelle will be supported either. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Tested-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20181102102025.3546-1-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
1 parent 5e9fcbd
drm.c
/*
* Copyright (C) 2015-2016 Gerd Hoffmann <kraxel@redhat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "qemu/drm.h"
#include <glob.h>
#include <dirent.h>
int qemu_drm_rendernode_open(const char *rendernode)
{
DIR *dir;
struct dirent *e;
int r, fd;
char *p;
if (rendernode) {
return open(rendernode, O_RDWR | O_CLOEXEC | O_NOCTTY | O_NONBLOCK);
}
dir = opendir("/dev/dri");
if (!dir) {
return -1;
}
fd = -1;
while ((e = readdir(dir))) {
if (e->d_type != DT_CHR) {
continue;
}
if (strncmp(e->d_name, "renderD", 7)) {
continue;
}
p = g_strdup_printf("/dev/dri/%s", e->d_name);
r = open(p, O_RDWR | O_CLOEXEC | O_NOCTTY | O_NONBLOCK);
if (r < 0) {
g_free(p);
continue;
}
fd = r;
g_free(p);
break;
}
closedir(dir);
if (fd < 0) {
return -1;
}
return fd;
}
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