microblaze: Dont segfault when singlestepping first insn.
[qemu/agraf.git] / hw / device-hotplug.c
blob9cc837669168339a7a463b4dcbf44aad0cd68a1b
1 /*
2 * QEMU device hotplug helpers
4 * Copyright (c) 2004 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
25 #include "hw.h"
26 #include "boards.h"
27 #include "net.h"
28 #include "block_int.h"
29 #include "sysemu.h"
31 DriveInfo *add_init_drive(const char *optstr)
33 int fatal_error;
34 DriveInfo *dinfo;
35 QemuOpts *opts;
37 opts = drive_add(NULL, "%s", optstr);
38 if (!opts)
39 return NULL;
41 dinfo = drive_init(opts, current_machine, &fatal_error);
42 if (!dinfo) {
43 qemu_opts_del(opts);
44 return NULL;
47 return dinfo;