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bellard0824d6f2003-06-24 13:42:40 +00001/*
bellard80cabfa2004-03-14 12:20:30 +00002 * QEMU System Emulator
ths5fafdf22007-09-16 21:08:06 +00003 *
bellard68d0f702008-01-06 17:21:48 +00004 * Copyright (c) 2003-2008 Fabrice Bellard
ths5fafdf22007-09-16 21:08:06 +00005 *
bellard1df912c2003-06-25 16:20:35 +00006 * 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:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
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.
bellard0824d6f2003-06-24 13:42:40 +000023 */
Markus Armbrustere688df62018-02-01 12:18:31 +010024
Peter Maydelld38ea872016-01-29 17:50:05 +000025#include "qemu/osdep.h"
Marc-André Lureau49f95222022-04-20 17:25:49 +040026#include "qemu/help-texts.h"
Paolo Bonzini2c65db52020-10-28 07:36:57 -040027#include "qemu/datadir.h"
Philippe Mathieu-Daudé3dc54b02018-06-25 09:42:35 -030028#include "qemu/units.h"
Paolo Bonzinic5e3c912020-10-28 08:04:08 -040029#include "exec/cpu-common.h"
Marc-André Lureauec5f7ca2022-03-23 19:57:34 +040030#include "exec/page-vary.h"
Markus Armbrustera27bd6c2019-08-12 07:23:51 +020031#include "hw/qdev-properties.h"
Markus Armbruster6dd75472021-03-18 16:55:10 +010032#include "qapi/compat-policy.h"
Markus Armbrustere688df62018-02-01 12:18:31 +010033#include "qapi/error.h"
Alejandro Jimenez2a5ad602020-12-11 11:52:41 -050034#include "qapi/qmp/qdict.h"
Paolo Bonzinie4383ca2021-07-29 16:03:43 +020035#include "qapi/qmp/qstring.h"
Paolo Bonzini009ff892021-03-12 12:35:47 -050036#include "qapi/qmp/qjson.h"
Fam Zheng67a1de02016-06-01 17:44:21 +080037#include "qemu-version.h"
Veronia Bahaaf348b6d2016-03-20 19:16:19 +020038#include "qemu/cutils.h"
39#include "qemu/help_option.h"
Peter Maydell15e09912022-02-08 20:08:56 +000040#include "qemu/hw-version.h"
Fam Zhengcea25272016-09-21 12:27:14 +080041#include "qemu/uuid.h"
Markus Armbruster71e8a912019-08-12 07:23:38 +020042#include "sysemu/reset.h"
Markus Armbruster54d31232019-08-12 07:23:59 +020043#include "sysemu/runstate.h"
Alejandro Jimeneze6dba042020-12-11 11:52:43 -050044#include "sysemu/runstate-action.h"
Paolo Bonzini9c17d612012-12-17 18:20:04 +010045#include "sysemu/seccomp.h"
Markus Armbruster14a48c12019-05-23 16:35:05 +020046#include "sysemu/tcg.h"
Philippe Mathieu-Daudéda278d52020-05-08 12:02:22 +020047#include "sysemu/xen.h"
Eduardo Otubo452dfbe2012-08-14 18:44:07 -030048
Markus Armbrusterd49b6832015-03-17 18:29:20 +010049#include "qemu/error-report.h"
Marcel Apfelbaumc8897e82014-03-18 17:26:35 +020050#include "qemu/sockets.h"
Claudio Fontana940e43a2021-02-04 17:39:24 +010051#include "qemu/accel.h"
Michael Tokarev8a768db2023-09-01 13:12:58 +030052#include "qemu/async-teardown.h"
blueswir1511d2b12009-03-07 15:32:56 +000053#include "hw/usb.h"
Paolo Bonzini0d09e412013-02-05 17:06:20 +010054#include "hw/isa/isa.h"
Markus Armbrusterfb8b6602017-02-15 13:18:54 +010055#include "hw/scsi/scsi.h"
Philippe Mathieu-Daudé866e2b32017-10-17 13:44:21 -030056#include "hw/display/vga.h"
Philippe Mathieu-Daudéa2eb5c02018-12-11 17:34:06 +010057#include "hw/firmware/smbios.h"
Paolo Bonzini9f570612016-12-22 17:12:33 +010058#include "hw/acpi/acpi.h"
Paolo Bonzini0d09e412013-02-05 17:06:20 +010059#include "hw/xen/xen.h"
Gerd Hoffmann45a50b12009-10-01 16:42:33 +020060#include "hw/loader.h"
Paolo Bonzinib4a42f82013-02-04 11:37:52 +010061#include "monitor/qdev.h"
Paolo Bonzini1422e322012-10-24 08:43:34 +020062#include "net/net.h"
Mark McLoughlin68ac40d2009-11-25 18:48:54 +000063#include "net/slirp.h"
Paolo Bonzini83c90892012-12-17 18:19:49 +010064#include "monitor/monitor.h"
Paolo Bonzini28ecbae2012-11-28 12:06:30 +010065#include "ui/console.h"
Gerd Hoffmanne0d2bd52016-03-04 11:25:14 +010066#include "ui/input.h"
Paolo Bonzini9c17d612012-12-17 18:20:04 +010067#include "sysemu/sysemu.h"
Eduardo Habkoste35704b2015-02-08 16:51:16 -020068#include "sysemu/numa.h"
Igor Mammedov900c0ba2020-02-19 11:08:37 -050069#include "sysemu/hostmem.h"
Paolo Bonzini022c62c2012-12-17 18:19:49 +010070#include "exec/gdbstub.h"
Paolo Bonzini1de7afc2012-12-17 18:20:00 +010071#include "qemu/timer.h"
Marc-André Lureau8228e352017-01-26 17:19:46 +040072#include "chardev/char.h"
Michael Tokarevb33276a2014-02-07 12:26:14 +040073#include "qemu/bitmap.h"
Paolo Bonzini03dd0242015-12-15 13:16:16 +010074#include "qemu/log.h"
Paolo Bonzini9c17d612012-12-17 18:20:04 +010075#include "sysemu/blockdev.h"
Paolo Bonzini0d09e412013-02-05 17:06:20 +010076#include "hw/block/block.h"
Paolo Bonzinic5e3c912020-10-28 08:04:08 -040077#include "hw/i386/x86.h"
78#include "hw/i386/pc.h"
Juan Quintela7b1e1a22017-04-17 20:26:27 +020079#include "migration/misc.h"
Juan Quintela5e224792017-04-20 14:25:55 +020080#include "migration/snapshot.h"
Paolo Bonzinibdee56f2013-04-02 18:28:41 +020081#include "sysemu/tpm.h"
Paolo Bonzini9c17d612012-12-17 18:20:04 +010082#include "sysemu/dma.h"
Eduardo Habkost8a824e42017-05-08 17:57:35 -030083#include "hw/audio/soundhw.h"
blueswir1511d2b12009-03-07 15:32:56 +000084#include "audio/audio.h"
Paolo Bonzini4b4629d2016-03-15 16:47:38 +010085#include "sysemu/cpus.h"
Claudio Fontana740b1752020-08-19 13:17:19 +020086#include "sysemu/cpu-timers.h"
zhanghailiang5821ebf2016-10-27 14:42:53 +080087#include "migration/colo.h"
Dr. David Alan Gilbert1693c642018-03-12 17:20:59 +000088#include "migration/postcopy-ram.h"
Paolo Bonzini9c17d612012-12-17 18:20:04 +010089#include "sysemu/kvm.h"
Markus Armbruster42e5f392017-02-28 22:27:07 +010090#include "qapi/qobject-input-visitor.h"
Paolo Bonzini1de7afc2012-12-17 18:20:00 +010091#include "qemu/option.h"
92#include "qemu/config-file.h"
Paolo Bonzini1de7afc2012-12-17 18:20:00 +010093#include "qemu/main-loop.h"
Venkateswararao Jujjuri (JV)758e8e32010-06-14 13:34:41 -070094#ifdef CONFIG_VIRTFS
Gautham R Shenoy74db9202010-04-29 17:44:43 +053095#include "fsdev/qemu-fsdev.h"
96#endif
Paolo Bonzini9c17d612012-12-17 18:20:04 +010097#include "sysemu/qtest.h"
Ilya Leoshkevich5584e2d2023-01-12 16:20:13 +010098#ifdef CONFIG_TCG
99#include "accel/tcg/perf.h"
100#endif
blueswir1511d2b12009-03-07 15:32:56 +0000101
Paolo Bonzini76cad712012-10-24 11:12:21 +0200102#include "disas/disas.h"
bellardfc01f7e2003-06-30 10:03:06 +0000103
Philippe Mathieu-Daudé8b7a5502020-08-05 15:02:20 +0200104#include "trace.h"
Lluíse4858972011-08-31 20:31:03 +0200105#include "trace/control.h"
Lluís Vilanova42229a72017-07-24 17:28:22 +0300106#include "qemu/plugin.h"
Paolo Bonzini1de7afc2012-12-17 18:20:00 +0100107#include "qemu/queue.h"
Paolo Bonzini9c17d612012-12-17 18:20:04 +0100108#include "sysemu/arch_init.h"
David Gibsonabc27d42020-10-20 17:01:19 +1100109#include "exec/confidential-guest-support.h"
Blue Swirl72cf2d42009-09-12 07:36:22 +0000110
Gerd Hoffmann29b00402010-03-11 11:13:27 -0300111#include "ui/qemu-spice.h"
Anthony Liguori68d98d32012-06-25 14:36:33 -0500112#include "qapi/string-input-visitor.h"
Paolo Bonzinic4090f82014-06-10 19:15:15 +0800113#include "qapi/opts-visitor.h"
Gerd Hoffmann776d1342018-05-07 11:55:36 +0200114#include "qapi/clone-visitor.h"
Wenchao Xia84321832014-06-18 08:43:33 +0200115#include "qom/object_interfaces.h"
Philippe Mathieu-Daudé6b5fe132021-03-05 13:54:49 +0000116#include "semihosting/semihost.h"
Daniel P. Berrangeddbb0d02015-07-01 18:10:29 +0100117#include "crypto/init.h"
Pavel Dovgalyukb60c48a2015-09-17 19:24:33 +0300118#include "sysemu/replay.h"
Markus Armbruster9af23982018-02-11 10:36:01 +0100119#include "qapi/qapi-events-run-state.h"
Paolo Bonzini039a6832022-04-27 12:27:46 +0200120#include "qapi/qapi-types-audio.h"
121#include "qapi/qapi-visit-audio.h"
Markus Armbruster9af23982018-02-11 10:36:01 +0100122#include "qapi/qapi-visit-block-core.h"
Markus Armbruster6dd75472021-03-18 16:55:10 +0100123#include "qapi/qapi-visit-compat.h"
Jonathan Cameronaadfe322022-04-29 15:40:52 +0100124#include "qapi/qapi-visit-machine.h"
Gerd Hoffmann776d1342018-05-07 11:55:36 +0200125#include "qapi/qapi-visit-ui.h"
Markus Armbruster112ed242018-02-26 17:13:27 -0600126#include "qapi/qapi-commands-block-core.h"
Paolo Bonzinie69d50d2020-10-27 04:22:57 -0400127#include "qapi/qapi-commands-migration.h"
Paolo Bonziniee556862020-10-27 08:42:04 -0400128#include "qapi/qapi-commands-misc.h"
Paolo Bonzinibc2f4fc2021-03-12 12:35:46 -0500129#include "qapi/qapi-visit-qom.h"
Gerd Hoffmanne1ca8f72018-11-22 08:16:13 +0100130#include "qapi/qapi-commands-ui.h"
Marc-André Lureau215aea02022-04-20 17:26:07 +0400131#include "block/qdict.h"
Pavel Dovgalyuk01947492015-09-17 19:25:13 +0300132#include "qapi/qmp/qerror.h"
Fam Zhengdce89212016-09-08 17:28:51 +0800133#include "sysemu/iothread.h"
Richard Henderson9c09a252019-03-14 13:06:29 -0700134#include "qemu/guest-random.h"
Marc-André Lureau9ca9c892022-04-20 17:26:06 +0400135#include "qemu/keyval.h"
Gerd Hoffmann29b00402010-03-11 11:13:27 -0300136
Amit Shah98b19252010-01-20 00:36:52 +0530137#define MAX_VIRTIO_CONSOLES 1
138
Paolo Bonzini64418652020-10-21 10:41:18 -0400139typedef struct BlockdevOptionsQueueEntry {
140 BlockdevOptions *bdo;
141 Location loc;
142 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry;
143} BlockdevOptionsQueueEntry;
144
145typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue;
146
Paolo Bonzinibc2f4fc2021-03-12 12:35:46 -0500147typedef struct ObjectOption {
148 ObjectOptions *opts;
149 QTAILQ_ENTRY(ObjectOption) next;
150} ObjectOption;
151
Kevin Wolf5dacda52021-10-08 15:34:42 +0200152typedef struct DeviceOption {
153 QDict *opts;
154 Location loc;
155 QTAILQ_ENTRY(DeviceOption) next;
156} DeviceOption;
157
Paolo Bonzini0546c062020-10-21 05:17:39 -0400158static const char *cpu_option;
Paolo Bonzinid8e4de42020-10-23 08:04:29 -0400159static const char *mem_path;
Paolo Bonzini58c91592020-11-03 03:45:26 -0500160static const char *incoming;
Paolo Bonzini90285ec2020-10-21 10:19:08 -0400161static const char *loadvm;
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -0400162static const char *accelerators;
Paolo Bonzinice9d03f2022-04-14 12:52:58 -0400163static bool have_custom_ram_size;
Paolo Bonzini26f88d82022-04-14 12:52:59 -0400164static const char *ram_memdev_id;
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -0400165static QDict *machine_opts_dict;
Paolo Bonzinibc2f4fc2021-03-12 12:35:46 -0500166static QTAILQ_HEAD(, ObjectOption) object_opts = QTAILQ_HEAD_INITIALIZER(object_opts);
Kevin Wolf5dacda52021-10-08 15:34:42 +0200167static QTAILQ_HEAD(, DeviceOption) device_opts = QTAILQ_HEAD_INITIALIZER(device_opts);
Paolo Bonzinif6502662020-10-21 06:22:39 -0400168static int display_remote;
Paolo Bonzini64418652020-10-21 10:41:18 -0400169static int snapshot;
Paolo Bonzini7691bde2020-10-27 04:07:30 -0400170static bool preconfig_requested;
Paolo Bonzini8a745972020-10-21 10:25:06 -0400171static QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list);
Paolo Bonzini64418652020-10-21 10:41:18 -0400172static BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
Paolo Bonzinif6502662020-10-21 06:22:39 -0400173static bool nographic = false;
Paolo Bonzini4d2c17b2020-10-21 10:21:22 -0400174static int mem_prealloc; /* force preallocation of physical target memory */
Paolo Bonzinif6502662020-10-21 06:22:39 -0400175static const char *vga_model = NULL;
Gerd Hoffmann0c8d7062018-02-02 12:10:14 +0100176static DisplayOptions dpy;
Peter Maydellb8d880b2018-06-22 13:28:42 +0100177static int num_serial_hds;
178static Chardev **serial_hds;
Paolo Bonzini0546c062020-10-21 05:17:39 -0400179static const char *log_mask;
180static const char *log_file;
181static bool list_data_dirs;
Thomas Hutheaf65112020-07-10 10:50:20 +0200182static const char *qtest_chrdev;
183static const char *qtest_log;
Peter Maydell3cfb0452023-04-17 17:40:32 +0100184static bool opt_one_insn_per_tb;
Gleb Natapov1ca4d092010-12-08 13:35:05 +0200185
Mark Wud44229c2014-03-10 22:37:40 +0800186static int has_defaults = 1;
Gerd Hoffmann998bbd72009-12-08 13:11:41 +0100187static int default_serial = 1;
Gerd Hoffmann6a5e8b02009-12-08 13:11:42 +0100188static int default_parallel = 1;
Gerd Hoffmannabdeed02009-12-08 13:11:43 +0100189static int default_monitor = 1;
Gerd Hoffmannac33f8f2009-12-16 14:25:39 +0100190static int default_floppy = 1;
191static int default_cdrom = 1;
192static int default_sdcard = 1;
Paolo Bonzini7f1b17f2012-05-10 09:39:17 +0200193static int default_vga = 1;
Eduardo Habkostd30300f2016-05-12 11:17:16 -0300194static int default_net = 1;
Gerd Hoffmann998bbd72009-12-08 13:11:41 +0100195
196static struct {
197 const char *driver;
198 int *flag;
199} default_list[] = {
Gerd Hoffmann6a5e8b02009-12-08 13:11:42 +0100200 { .driver = "isa-serial", .flag = &default_serial },
201 { .driver = "isa-parallel", .flag = &default_parallel },
Gerd Hoffmannd8bcbab2009-12-16 14:25:40 +0100202 { .driver = "isa-fdc", .flag = &default_floppy },
Kevin Wolfa92bd192016-10-27 16:29:13 -0400203 { .driver = "floppy", .flag = &default_floppy },
Markus Armbrusteraf6bf132011-05-18 18:31:02 +0200204 { .driver = "ide-cd", .flag = &default_cdrom },
205 { .driver = "ide-hd", .flag = &default_cdrom },
Markus Armbrusteraf6bf132011-05-18 18:31:02 +0200206 { .driver = "scsi-cd", .flag = &default_cdrom },
Hervé Poussineauf6f99b42017-02-20 21:41:19 +0100207 { .driver = "scsi-hd", .flag = &default_cdrom },
Paolo Bonzini7f1b17f2012-05-10 09:39:17 +0200208 { .driver = "VGA", .flag = &default_vga },
209 { .driver = "isa-vga", .flag = &default_vga },
210 { .driver = "cirrus-vga", .flag = &default_vga },
211 { .driver = "isa-cirrus-vga", .flag = &default_vga },
212 { .driver = "vmware-svga", .flag = &default_vga },
213 { .driver = "qxl-vga", .flag = &default_vga },
Gerd Hoffmanna94f0c52014-09-10 14:28:48 +0200214 { .driver = "virtio-vga", .flag = &default_vga },
BALATON Zoltan862b4a22019-03-09 18:21:40 +0100215 { .driver = "ati-vga", .flag = &default_vga },
Marc-André Lureau267f6642019-05-24 15:09:46 +0200216 { .driver = "vhost-user-vga", .flag = &default_vga },
Marc-André Lureauf29d5262021-07-01 10:24:21 +0400217 { .driver = "virtio-vga-gl", .flag = &default_vga },
Gerd Hoffmann998bbd72009-12-08 13:11:41 +0100218};
219
Paolo Bonzini4d454572012-11-26 16:03:42 +0100220static QemuOptsList qemu_rtc_opts = {
221 .name = "rtc",
222 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
Artem Pisarenkoeb6a5202018-10-18 13:12:54 +0600223 .merge_lists = true,
Paolo Bonzini4d454572012-11-26 16:03:42 +0100224 .desc = {
225 {
226 .name = "base",
227 .type = QEMU_OPT_STRING,
228 },{
229 .name = "clock",
230 .type = QEMU_OPT_STRING,
231 },{
232 .name = "driftfix",
233 .type = QEMU_OPT_STRING,
234 },
235 { /* end of list */ }
236 },
237};
238
Paolo Bonzini4d454572012-11-26 16:03:42 +0100239static QemuOptsList qemu_option_rom_opts = {
240 .name = "option-rom",
241 .implied_opt_name = "romfile",
242 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
243 .desc = {
244 {
245 .name = "bootindex",
246 .type = QEMU_OPT_NUMBER,
247 }, {
248 .name = "romfile",
249 .type = QEMU_OPT_STRING,
250 },
251 { /* end of list */ }
252 },
253};
254
KONRAD Frederic8d4e9142017-02-23 18:29:08 +0000255static QemuOptsList qemu_accel_opts = {
256 .name = "accel",
257 .implied_opt_name = "accel",
258 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
KONRAD Frederic8d4e9142017-02-23 18:29:08 +0000259 .desc = {
Paolo Bonzini12ceaef2019-11-13 10:36:01 +0100260 /*
261 * no elements => accept any
262 * sanity checking will happen later
263 * when setting accelerator properties
264 */
265 { }
KONRAD Frederic8d4e9142017-02-23 18:29:08 +0000266 },
267};
268
Paolo Bonzini4d454572012-11-26 16:03:42 +0100269static QemuOptsList qemu_boot_opts = {
270 .name = "boot-opts",
Markus Armbruster6ef47162013-06-14 13:15:01 +0200271 .implied_opt_name = "order",
272 .merge_lists = true,
Paolo Bonzini4d454572012-11-26 16:03:42 +0100273 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
274 .desc = {
Paolo Bonzini4d454572012-11-26 16:03:42 +0100275 {
276 .name = "order",
277 .type = QEMU_OPT_STRING,
278 }, {
279 .name = "once",
280 .type = QEMU_OPT_STRING,
281 }, {
282 .name = "menu",
Markus Armbruster6ef47162013-06-14 13:15:01 +0200283 .type = QEMU_OPT_BOOL,
Paolo Bonzini4d454572012-11-26 16:03:42 +0100284 }, {
285 .name = "splash",
286 .type = QEMU_OPT_STRING,
287 }, {
288 .name = "splash-time",
Li Qiang6912bb02018-11-20 21:10:24 -0800289 .type = QEMU_OPT_NUMBER,
Paolo Bonzini4d454572012-11-26 16:03:42 +0100290 }, {
291 .name = "reboot-timeout",
Li Qiangee5d0f82018-11-20 21:10:25 -0800292 .type = QEMU_OPT_NUMBER,
Amos Kongc8a6ae82013-03-19 14:23:27 +0800293 }, {
294 .name = "strict",
Amos Konge5187b52013-12-09 19:53:15 +0800295 .type = QEMU_OPT_BOOL,
Paolo Bonzini4d454572012-11-26 16:03:42 +0100296 },
297 { /*End of list */ }
298 },
299};
300
301static QemuOptsList qemu_add_fd_opts = {
302 .name = "add-fd",
303 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
304 .desc = {
305 {
306 .name = "fd",
307 .type = QEMU_OPT_NUMBER,
308 .help = "file descriptor of which a duplicate is added to fd set",
309 },{
310 .name = "set",
311 .type = QEMU_OPT_NUMBER,
312 .help = "ID of the fd set to add fd to",
313 },{
314 .name = "opaque",
315 .type = QEMU_OPT_STRING,
316 .help = "free-form string used to describe fd",
317 },
318 { /* end of list */ }
319 },
320};
321
322static QemuOptsList qemu_object_opts = {
323 .name = "object",
324 .implied_opt_name = "qom-type",
325 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
326 .desc = {
327 { }
328 },
329};
330
Stefan Bergerd1a0cf72013-02-27 12:47:49 -0500331static QemuOptsList qemu_tpmdev_opts = {
332 .name = "tpmdev",
333 .implied_opt_name = "type",
334 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
335 .desc = {
Stefan Bergerbb716232013-04-22 10:41:39 -0400336 /* options are defined in the TPM backends */
Stefan Bergerd1a0cf72013-02-27 12:47:49 -0500337 { /* end of list */ }
338 },
339};
340
Michael S. Tsirkin6f131f12018-06-22 22:22:05 +0300341static QemuOptsList qemu_overcommit_opts = {
342 .name = "overcommit",
343 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
344 .desc = {
345 {
346 .name = "mem-lock",
347 .type = QEMU_OPT_BOOL,
348 },
349 {
350 .name = "cpu-pm",
351 .type = QEMU_OPT_BOOL,
352 },
353 { /* end of list */ }
354 },
355};
356
Seiji Aguchi5e2ac512013-07-03 23:02:46 -0400357static QemuOptsList qemu_msg_opts = {
358 .name = "msg",
359 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
360 .desc = {
361 {
362 .name = "timestamp",
363 .type = QEMU_OPT_BOOL,
364 },
Mario Smarduch2880ffb2020-06-26 13:19:00 -0700365 {
366 .name = "guest-name",
367 .type = QEMU_OPT_BOOL,
368 .help = "Prepends guest name for error messages but only if "
369 "-name guest is set otherwise option is ignored\n",
370 },
Seiji Aguchi5e2ac512013-07-03 23:02:46 -0400371 { /* end of list */ }
372 },
373};
374
Dr. David Alan Gilbert5d12f962014-01-30 10:20:30 +0000375static QemuOptsList qemu_name_opts = {
376 .name = "name",
377 .implied_opt_name = "guest",
378 .merge_lists = true,
379 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
380 .desc = {
381 {
382 .name = "guest",
383 .type = QEMU_OPT_STRING,
384 .help = "Sets the name of the guest.\n"
385 "This name will be displayed in the SDL window caption.\n"
386 "The name will also be used for the VNC server",
387 }, {
388 .name = "process",
389 .type = QEMU_OPT_STRING,
390 .help = "Sets the name of the QEMU process, as shown in top etc",
Dr. David Alan Gilbert8f480de2014-01-30 10:20:31 +0000391 }, {
392 .name = "debug-threads",
393 .type = QEMU_OPT_BOOL,
394 .help = "When enabled, name the individual threads; defaults off.\n"
395 "NOTE: The thread names are for debugging and not a\n"
396 "stable API.",
Dr. David Alan Gilbert5d12f962014-01-30 10:20:30 +0000397 },
398 { /* End of list */ }
399 },
400};
401
Igor Mammedov6e1d3c12013-11-27 01:27:35 +0100402static QemuOptsList qemu_mem_opts = {
403 .name = "memory",
404 .implied_opt_name = "size",
405 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
406 .merge_lists = true,
407 .desc = {
408 {
409 .name = "size",
410 .type = QEMU_OPT_SIZE,
411 },
Igor Mammedovc270fb92014-06-02 15:25:02 +0200412 {
413 .name = "slots",
414 .type = QEMU_OPT_NUMBER,
415 },
416 {
417 .name = "maxmem",
418 .type = QEMU_OPT_SIZE,
419 },
Igor Mammedov6e1d3c12013-11-27 01:27:35 +0100420 { /* end of list */ }
421 },
422};
423
Sebastian Tanase1ad95802014-07-25 11:56:28 +0200424static QemuOptsList qemu_icount_opts = {
425 .name = "icount",
426 .implied_opt_name = "shift",
427 .merge_lists = true,
428 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
429 .desc = {
430 {
431 .name = "shift",
432 .type = QEMU_OPT_STRING,
Sebastian Tanasea8bfac32014-07-25 11:56:29 +0200433 }, {
434 .name = "align",
435 .type = QEMU_OPT_BOOL,
Victor CLEMENTf1f4b572015-05-29 17:14:05 +0200436 }, {
437 .name = "sleep",
438 .type = QEMU_OPT_BOOL,
Pavel Dovgalyuk4c27b852015-09-17 19:25:18 +0300439 }, {
440 .name = "rr",
441 .type = QEMU_OPT_STRING,
442 }, {
443 .name = "rrfile",
444 .type = QEMU_OPT_STRING,
Pavel Dovgalyuk9c2037d2017-01-24 10:17:47 +0300445 }, {
446 .name = "rrsnapshot",
447 .type = QEMU_OPT_STRING,
Sebastian Tanase1ad95802014-07-25 11:56:28 +0200448 },
449 { /* end of list */ }
450 },
451};
452
Gabriel L. Somlo81b2b812015-04-29 11:21:53 -0400453static QemuOptsList qemu_fw_cfg_opts = {
454 .name = "fw_cfg",
455 .implied_opt_name = "name",
456 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
457 .desc = {
458 {
459 .name = "name",
460 .type = QEMU_OPT_STRING,
461 .help = "Sets the fw_cfg name of the blob to be inserted",
462 }, {
463 .name = "file",
464 .type = QEMU_OPT_STRING,
Max Reitz679be302018-10-19 18:49:29 +0200465 .help = "Sets the name of the file from which "
Gabriel L. Somlo81b2b812015-04-29 11:21:53 -0400466 "the fw_cfg blob will be loaded",
Gabriel L. Somlo6407d762015-09-29 12:29:01 -0400467 }, {
468 .name = "string",
469 .type = QEMU_OPT_STRING,
470 .help = "Sets content of the blob to be inserted from a string",
Philippe Mathieu-Daudé6552d872020-05-19 19:20:43 +0200471 }, {
472 .name = "gen_id",
473 .type = QEMU_OPT_STRING,
474 .help = "Sets id of the object generating the fw_cfg blob "
475 "to be inserted",
Gabriel L. Somlo81b2b812015-04-29 11:21:53 -0400476 },
477 { /* end of list */ }
478 },
479};
480
Alejandro Jimenez2a5ad602020-12-11 11:52:41 -0500481static QemuOptsList qemu_action_opts = {
482 .name = "action",
483 .merge_lists = true,
484 .head = QTAILQ_HEAD_INITIALIZER(qemu_action_opts.head),
485 .desc = {
486 {
487 .name = "shutdown",
488 .type = QEMU_OPT_STRING,
489 },{
490 .name = "reboot",
491 .type = QEMU_OPT_STRING,
492 },{
Alejandro Jimenezc753e8e2020-12-11 17:31:52 -0500493 .name = "panic",
494 .type = QEMU_OPT_STRING,
495 },{
Alejandro Jimenez2a5ad602020-12-11 11:52:41 -0500496 .name = "watchdog",
497 .type = QEMU_OPT_STRING,
498 },
499 { /* end of list */ }
500 },
501};
502
Ronnie Sahlberg31459f42012-08-06 18:24:55 +1000503const char *qemu_get_vm_name(void)
504{
505 return qemu_name;
506}
507
Kevin Wolf5dacda52021-10-08 15:34:42 +0200508static void default_driver_disable(const char *driver)
Gerd Hoffmann998bbd72009-12-08 13:11:41 +0100509{
Gerd Hoffmann998bbd72009-12-08 13:11:41 +0100510 int i;
511
Kevin Wolf5dacda52021-10-08 15:34:42 +0200512 if (!driver) {
513 return;
514 }
515
Gerd Hoffmann998bbd72009-12-08 13:11:41 +0100516 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
517 if (strcmp(default_list[i].driver, driver) != 0)
518 continue;
519 *(default_list[i].flag) = 0;
520 }
Kevin Wolf5dacda52021-10-08 15:34:42 +0200521}
522
523static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
524{
525 const char *driver = qemu_opt_get(opts, "driver");
526
527 default_driver_disable(driver);
Gerd Hoffmann998bbd72009-12-08 13:11:41 +0100528 return 0;
529}
530
Kevin Wolf5dacda52021-10-08 15:34:42 +0200531static void default_driver_check_json(void)
532{
533 DeviceOption *opt;
534
535 QTAILQ_FOREACH(opt, &device_opts, next) {
536 const char *driver = qdict_get_try_str(opt->opts, "driver");
537 default_driver_disable(driver);
538 }
539}
540
Markus Armbruster28d0de72015-03-13 13:35:14 +0100541static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
Dr. David Alan Gilbert5d12f962014-01-30 10:20:30 +0000542{
543 const char *proc_name;
544
Dr. David Alan Gilbert8f480de2014-01-30 10:20:31 +0000545 if (qemu_opt_get(opts, "debug-threads")) {
546 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
547 }
Dr. David Alan Gilbert5d12f962014-01-30 10:20:30 +0000548 qemu_name = qemu_opt_get(opts, "guest");
549
550 proc_name = qemu_opt_get(opts, "process");
551 if (proc_name) {
552 os_set_proc_name(proc_name);
553 }
Dr. David Alan Gilbert5b9d3132014-05-06 12:15:55 +0100554
555 return 0;
Dr. David Alan Gilbert5d12f962014-01-30 10:20:30 +0000556}
557
Marcel Apfelbaumf8b6f8e2015-01-06 15:29:12 +0200558bool defaults_enabled(void)
559{
560 return has_defaults;
561}
562
Corey Bryant587ed6b2012-10-18 15:19:34 -0400563#ifndef _WIN32
Markus Armbruster28d0de72015-03-13 13:35:14 +0100564static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
Corey Bryant587ed6b2012-10-18 15:19:34 -0400565{
566 int fd, dupfd, flags;
567 int64_t fdset_id;
568 const char *fd_opaque = NULL;
Paolo Bonzini636a30a2015-03-15 10:16:28 +0100569 AddfdInfo *fdinfo;
Corey Bryant587ed6b2012-10-18 15:19:34 -0400570
571 fd = qemu_opt_get_number(opts, "fd", -1);
572 fdset_id = qemu_opt_get_number(opts, "set", -1);
573 fd_opaque = qemu_opt_get(opts, "opaque");
574
575 if (fd < 0) {
Markus Armbruster63532182018-10-17 10:26:42 +0200576 error_setg(errp, "fd option is required and must be non-negative");
Corey Bryant587ed6b2012-10-18 15:19:34 -0400577 return -1;
578 }
579
580 if (fd <= STDERR_FILENO) {
Markus Armbruster63532182018-10-17 10:26:42 +0200581 error_setg(errp, "fd cannot be a standard I/O stream");
Corey Bryant587ed6b2012-10-18 15:19:34 -0400582 return -1;
583 }
584
585 /*
586 * All fds inherited across exec() necessarily have FD_CLOEXEC
587 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
588 */
589 flags = fcntl(fd, F_GETFD);
590 if (flags == -1 || (flags & FD_CLOEXEC)) {
Markus Armbruster63532182018-10-17 10:26:42 +0200591 error_setg(errp, "fd is not valid or already in use");
Corey Bryant587ed6b2012-10-18 15:19:34 -0400592 return -1;
593 }
594
595 if (fdset_id < 0) {
Markus Armbruster63532182018-10-17 10:26:42 +0200596 error_setg(errp, "set option is required and must be non-negative");
Corey Bryant587ed6b2012-10-18 15:19:34 -0400597 return -1;
598 }
599
600#ifdef F_DUPFD_CLOEXEC
601 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
602#else
603 dupfd = dup(fd);
604 if (dupfd != -1) {
605 qemu_set_cloexec(dupfd);
606 }
607#endif
608 if (dupfd == -1) {
Markus Armbruster63532182018-10-17 10:26:42 +0200609 error_setg(errp, "error duplicating fd: %s", strerror(errno));
Corey Bryant587ed6b2012-10-18 15:19:34 -0400610 return -1;
611 }
612
613 /* add the duplicate fd, and optionally the opaque string, to the fd set */
Markus Armbruster94927182022-11-04 17:06:59 +0100614 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque,
Paolo Bonzini636a30a2015-03-15 10:16:28 +0100615 &error_abort);
616 g_free(fdinfo);
Corey Bryant587ed6b2012-10-18 15:19:34 -0400617
618 return 0;
619}
620
Markus Armbruster28d0de72015-03-13 13:35:14 +0100621static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
Corey Bryant587ed6b2012-10-18 15:19:34 -0400622{
623 int fd;
624
625 fd = qemu_opt_get_number(opts, "fd", -1);
626 close(fd);
627
628 return 0;
629}
630#endif
631
balrog1ae26a12008-09-28 23:19:47 +0000632/***********************************************************/
633/* QEMU Block devices */
634
Markus Armbruster2292dda2011-01-28 11:21:41 +0100635#define HD_OPTS "media=disk"
636#define CDROM_OPTS "media=cdrom"
637#define FD_OPTS ""
638#define PFLASH_OPTS ""
639#define MTD_OPTS ""
640#define SD_OPTS ""
thse4bcb142007-12-02 04:51:10 +0000641
Markus Armbruster28d0de72015-03-13 13:35:14 +0100642static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +0200643{
Christian Borntraeger2d0d2832012-11-20 15:30:34 +0100644 BlockInterfaceType *block_default_type = opaque;
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +0200645
Markus Armbrusterc4f26c92018-10-17 10:26:57 +0200646 return drive_new(opts, *block_default_type, errp) == NULL;
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +0200647}
648
Markus Armbruster28d0de72015-03-13 13:35:14 +0100649static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +0200650{
Gonglei28de2f82014-08-11 21:00:57 +0800651 if (qemu_opt_get(opts, "snapshot") == NULL) {
Markus Armbrusterf43e47d2015-02-12 17:52:20 +0100652 qemu_opt_set(opts, "snapshot", "on", &error_abort);
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +0200653 }
654 return 0;
655}
656
Christian Borntraeger3c42ea62012-11-22 21:02:55 +0100657static void default_drive(int enable, int snapshot, BlockInterfaceType type,
658 int index, const char *optstr)
Markus Armbruster4e5d9b52011-01-28 11:21:45 +0100659{
660 QemuOpts *opts;
John Snowa66c9dc2014-10-01 14:19:24 -0400661 DriveInfo *dinfo;
Markus Armbruster4e5d9b52011-01-28 11:21:45 +0100662
Markus Armbruster4e5d9b52011-01-28 11:21:45 +0100663 if (!enable || drive_get_by_index(type, index)) {
664 return;
665 }
666
667 opts = drive_add(type, index, NULL, optstr);
668 if (snapshot) {
Markus Armbruster28d0de72015-03-13 13:35:14 +0100669 drive_enable_snapshot(NULL, opts, NULL);
Markus Armbruster4e5d9b52011-01-28 11:21:45 +0100670 }
John Snowa66c9dc2014-10-01 14:19:24 -0400671
Markus Armbrusterc4f26c92018-10-17 10:26:57 +0200672 dinfo = drive_new(opts, type, &error_abort);
John Snowa66c9dc2014-10-01 14:19:24 -0400673 dinfo->is_default = true;
674
Markus Armbruster4e5d9b52011-01-28 11:21:45 +0100675}
676
Markus Armbrusterd11bf9b2019-03-08 14:14:39 +0100677static void configure_blockdev(BlockdevOptionsQueue *bdo_queue,
678 MachineClass *machine_class, int snapshot)
679{
680 /*
681 * If the currently selected machine wishes to override the
682 * units-per-bus property of its default HBA interface type, do so
683 * now.
684 */
685 if (machine_class->units_per_default_bus) {
686 override_max_devs(machine_class->block_default_type,
687 machine_class->units_per_default_bus);
688 }
689
690 /* open the virtual block devices */
691 while (!QSIMPLEQ_EMPTY(bdo_queue)) {
692 BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue);
693
694 QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry);
695 loc_push_restore(&bdo->loc);
696 qmp_blockdev_add(bdo->bdo, &error_fatal);
697 loc_pop(&bdo->loc);
698 qapi_free_BlockdevOptions(bdo->bdo);
699 g_free(bdo);
700 }
Pavel Dovgalyuk25863972019-09-17 14:57:56 +0300701 if (snapshot) {
Markus Armbrusterd11bf9b2019-03-08 14:14:39 +0100702 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
703 NULL, NULL);
704 }
705 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
706 &machine_class->block_default_type, &error_fatal)) {
707 /* We printed help */
708 exit(0);
709 }
710
711 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
712 CDROM_OPTS);
713 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
714 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
715
716}
717
Michael Tokarev12b7f572013-06-24 15:06:52 +0400718static QemuOptsList qemu_smp_opts = {
719 .name = "smp-opts",
720 .implied_opt_name = "cpus",
721 .merge_lists = true,
722 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
723 .desc = {
724 {
725 .name = "cpus",
726 .type = QEMU_OPT_NUMBER,
727 }, {
728 .name = "sockets",
729 .type = QEMU_OPT_NUMBER,
730 }, {
Like Xu1b458422019-06-20 13:45:25 +0800731 .name = "dies",
732 .type = QEMU_OPT_NUMBER,
733 }, {
Yanan Wang864c3b52021-12-28 17:22:09 +0800734 .name = "clusters",
735 .type = QEMU_OPT_NUMBER,
736 }, {
Michael Tokarev12b7f572013-06-24 15:06:52 +0400737 .name = "cores",
738 .type = QEMU_OPT_NUMBER,
739 }, {
740 .name = "threads",
741 .type = QEMU_OPT_NUMBER,
742 }, {
743 .name = "maxcpus",
744 .type = QEMU_OPT_NUMBER,
745 },
746 { /*End of list */ }
747 },
748};
749
Michael Tokarev8a768db2023-09-01 13:12:58 +0300750#if defined(CONFIG_POSIX)
751static QemuOptsList qemu_run_with_opts = {
752 .name = "run-with",
753 .head = QTAILQ_HEAD_INITIALIZER(qemu_run_with_opts.head),
754 .desc = {
755#if defined(CONFIG_LINUX)
756 {
757 .name = "async-teardown",
758 .type = QEMU_OPT_BOOL,
759 },
760#endif
761 {
762 .name = "chroot",
763 .type = QEMU_OPT_STRING,
764 },
765 { /* end of list */ }
766 },
767};
768
769#define qemu_add_run_with_opts() qemu_add_opts(&qemu_run_with_opts)
770
771#else
772
773#define qemu_add_run_with_opts()
774
775#endif /* CONFIG_POSIX */
776
zhanghailiang28d16f32014-09-23 18:42:24 +0800777static void realtime_init(void)
Satoru Moriya888a6bc2013-04-19 16:42:06 +0200778{
Satoru Moriya888a6bc2013-04-19 16:42:06 +0200779 if (enable_mlock) {
780 if (os_mlock() < 0) {
Eduardo Habkostf61eddc2015-10-30 13:07:52 -0200781 error_report("locking memory failed");
Satoru Moriya888a6bc2013-04-19 16:42:06 +0200782 exit(1);
783 }
784 }
785}
786
Seiji Aguchi5e2ac512013-07-03 23:02:46 -0400787
788static void configure_msg(QemuOpts *opts)
789{
Stefan Hajnoczi651d5882021-01-25 11:35:06 +0000790 message_with_timestamp = qemu_opt_get_bool(opts, "timestamp", false);
Mario Smarduch2880ffb2020-06-26 13:19:00 -0700791 error_with_guestname = qemu_opt_get_bool(opts, "guest-name", false);
Seiji Aguchi5e2ac512013-07-03 23:02:46 -0400792}
793
Leon Alraea59d31a2015-06-19 14:17:45 +0100794
Leon Alraecfe67ce2015-06-19 14:17:45 +0100795/***********************************************************/
bellarda594cfb2005-11-06 16:13:29 +0000796/* USB devices */
797
Markus Armbrusterfb080002010-05-28 15:38:44 +0200798static int usb_device_add(const char *devname)
bellarda594cfb2005-11-06 16:13:29 +0000799{
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +0200800 USBDevice *dev = NULL;
bellarda594cfb2005-11-06 16:13:29 +0000801
Eduardo Habkost4bcbe0b2016-06-08 17:50:25 -0300802 if (!machine_usb(current_machine)) {
bellarda594cfb2005-11-06 16:13:29 +0000803 return -1;
zhlcindy@gmail.com094b2872012-09-02 19:25:28 +0000804 }
bellarda594cfb2005-11-06 16:13:29 +0000805
Gerd Hoffmann0958b4c2009-10-26 15:56:45 +0100806 dev = usbdevice_create(devname);
pbrook0d92ed32006-05-21 16:30:15 +0000807 if (!dev)
808 return -1;
809
bellarda594cfb2005-11-06 16:13:29 +0000810 return 0;
811}
812
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +0200813static int usb_parse(const char *cmdline)
814{
Scott Tsai59d1c1c2009-12-23 04:30:18 +0800815 int r;
Markus Armbrusterfb080002010-05-28 15:38:44 +0200816 r = usb_device_add(cmdline);
Scott Tsai59d1c1c2009-12-23 04:30:18 +0800817 if (r < 0) {
Eduardo Habkostf61eddc2015-10-30 13:07:52 -0200818 error_report("could not add USB device '%s'", cmdline);
Scott Tsai59d1c1c2009-12-23 04:30:18 +0800819 }
820 return r;
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +0200821}
822
bellardf7cce892004-12-08 22:21:25 +0000823/***********************************************************/
bellardcc1daa42005-06-05 14:49:17 +0000824/* machine registration */
825
Wei Yangc516cd12019-04-05 14:41:19 +0800826static MachineClass *find_machine(const char *name, GSList *machines)
bellardcc1daa42005-06-05 14:49:17 +0000827{
Wei Yangc516cd12019-04-05 14:41:19 +0800828 GSList *el;
bellardcc1daa42005-06-05 14:49:17 +0000829
Marcel Apfelbaum261747f2014-03-05 19:30:46 +0200830 for (el = machines; el; el = el->next) {
Markus Armbrusterf2c93022019-04-05 14:41:20 +0800831 MachineClass *mc = el->data;
Marcel Apfelbaum261747f2014-03-05 19:30:46 +0200832
Markus Armbrusterf2c93022019-04-05 14:41:20 +0800833 if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) {
834 return mc;
Marcel Apfelbaum261747f2014-03-05 19:30:46 +0200835 }
bellardcc1daa42005-06-05 14:49:17 +0000836 }
Marcel Apfelbaum261747f2014-03-05 19:30:46 +0200837
Markus Armbrusterf2c93022019-04-05 14:41:20 +0800838 return NULL;
bellardcc1daa42005-06-05 14:49:17 +0000839}
840
Wei Yangc516cd12019-04-05 14:41:19 +0800841static MachineClass *find_default_machine(GSList *machines)
Anthony Liguori0c257432009-05-21 20:41:01 -0500842{
Wei Yangc516cd12019-04-05 14:41:19 +0800843 GSList *el;
Philippe Mathieu-Daudé6db18572020-02-07 17:19:48 +0100844 MachineClass *default_machineclass = NULL;
Anthony Liguori0c257432009-05-21 20:41:01 -0500845
Marcel Apfelbaum261747f2014-03-05 19:30:46 +0200846 for (el = machines; el; el = el->next) {
Markus Armbrusterf2c93022019-04-05 14:41:20 +0800847 MachineClass *mc = el->data;
Marcel Apfelbaum261747f2014-03-05 19:30:46 +0200848
Markus Armbrusterf2c93022019-04-05 14:41:20 +0800849 if (mc->is_default) {
Philippe Mathieu-Daudé6db18572020-02-07 17:19:48 +0100850 assert(default_machineclass == NULL && "Multiple default machines");
851 default_machineclass = mc;
Anthony Liguori0c257432009-05-21 20:41:01 -0500852 }
853 }
Marcel Apfelbaum261747f2014-03-05 19:30:46 +0200854
Philippe Mathieu-Daudé6db18572020-02-07 17:19:48 +0100855 return default_machineclass;
Anthony Liguori0c257432009-05-21 20:41:01 -0500856}
857
pbrook9bd7e6d2009-04-07 22:58:45 +0000858static void version(void)
859{
Thomas Huth7e563bf2018-02-15 12:06:47 +0100860 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
Peter Maydelld915b7b2016-08-04 12:14:36 +0100861 QEMU_COPYRIGHT "\n");
pbrook9bd7e6d2009-04-07 22:58:45 +0000862}
863
ths15f82202007-06-29 23:26:08 +0000864static void help(int exitcode)
bellard0824d6f2003-06-24 13:42:40 +0000865{
Michael Ellermana3adb7a2011-12-19 17:19:31 +1100866 version();
867 printf("usage: %s [options] [disk_image]\n\n"
868 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
Marc-André Lureau336d3542022-02-21 14:11:47 +0400869 g_get_prgname());
Michael Ellermana3adb7a2011-12-19 17:19:31 +1100870
Paolo Bonzinifd5fc4b2021-05-17 07:34:21 -0400871#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
872 if ((arch_mask) & arch_type) \
873 fputs(opt_help, stdout);
874
875#define ARCHHEADING(text, arch_mask) \
876 if ((arch_mask) & arch_type) \
877 puts(stringify(text));
878
879#define DEFHEADING(text) ARCHHEADING(text, QEMU_ARCH_ALL)
880
881#include "qemu-options.def"
Michael Ellermana3adb7a2011-12-19 17:19:31 +1100882
883 printf("\nDuring emulation, the following keys are useful:\n"
malc3f020d72010-02-08 12:04:56 +0300884 "ctrl-alt-f toggle full screen\n"
885 "ctrl-alt-n switch to virtual console 'n'\n"
886 "ctrl-alt toggle mouse and keyboard grab\n"
887 "\n"
Eric Blakef5048cb2017-08-03 11:33:53 -0500888 "When using -nographic, press 'ctrl-a h' to get some help.\n"
889 "\n"
890 QEMU_HELP_BOTTOM "\n");
Michael Ellermana3adb7a2011-12-19 17:19:31 +1100891
ths15f82202007-06-29 23:26:08 +0000892 exit(exitcode);
bellard0824d6f2003-06-24 13:42:40 +0000893}
894
Michael Tokarev1a1dd722023-09-01 13:13:01 +0300895enum {
896
897#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
898 opt_enum,
899#define DEFHEADING(text)
900#define ARCHHEADING(text, arch_mask)
901
902#include "qemu-options.def"
903};
904
bellardcd6f1162004-05-13 22:02:20 +0000905#define HAS_ARG 0x0001
906
bellardcd6f1162004-05-13 22:02:20 +0000907typedef struct QEMUOption {
908 const char *name;
909 int flags;
910 int index;
Blue Swirlad960902010-03-29 19:23:52 +0000911 uint32_t arch_mask;
bellardcd6f1162004-05-13 22:02:20 +0000912} QEMUOption;
913
blueswir1dbed7e42008-10-01 19:38:09 +0000914static const QEMUOption qemu_options[] = {
Blue Swirlad960902010-03-29 19:23:52 +0000915 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
Paolo Bonzinifd5fc4b2021-05-17 07:34:21 -0400916
917#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
918 { option, opt_arg, opt_enum, arch_mask },
919#define DEFHEADING(text)
920#define ARCHHEADING(text, arch_mask)
921
922#include "qemu-options.def"
Philippe Mathieu-Daudéfeea81d2022-12-20 11:02:54 +0100923 { /* end of list */ }
bellardfc01f7e2003-06-30 10:03:06 +0000924};
Blue Swirla369da52011-09-27 19:15:42 +0000925
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -0200926typedef struct VGAInterfaceInfo {
927 const char *opt_name; /* option name */
928 const char *name; /* human-readable name */
Eduardo Habkostc2c7b222015-11-11 18:55:56 -0200929 /* Class names indicating that support is available.
930 * If no class is specified, the interface is always available */
931 const char *class_names[2];
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -0200932} VGAInterfaceInfo;
933
Marc-André Lureau53b93512019-04-12 17:27:12 +0200934static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -0200935 [VGA_NONE] = {
936 .opt_name = "none",
Philippe Mathieu-Daudéd2fa65c2019-04-12 18:37:06 +0200937 .name = "no graphic card",
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -0200938 },
939 [VGA_STD] = {
940 .opt_name = "std",
941 .name = "standard VGA",
Eduardo Habkostc2c7b222015-11-11 18:55:56 -0200942 .class_names = { "VGA", "isa-vga" },
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -0200943 },
944 [VGA_CIRRUS] = {
945 .opt_name = "cirrus",
946 .name = "Cirrus VGA",
Eduardo Habkostc2c7b222015-11-11 18:55:56 -0200947 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -0200948 },
949 [VGA_VMWARE] = {
950 .opt_name = "vmware",
951 .name = "VMWare SVGA",
Eduardo Habkostc2c7b222015-11-11 18:55:56 -0200952 .class_names = { "vmware-svga" },
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -0200953 },
954 [VGA_VIRTIO] = {
955 .opt_name = "virtio",
956 .name = "Virtio VGA",
Eduardo Habkostc2c7b222015-11-11 18:55:56 -0200957 .class_names = { "virtio-vga" },
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -0200958 },
959 [VGA_QXL] = {
960 .opt_name = "qxl",
961 .name = "QXL VGA",
Eduardo Habkostc2c7b222015-11-11 18:55:56 -0200962 .class_names = { "qxl-vga" },
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -0200963 },
964 [VGA_TCX] = {
965 .opt_name = "tcx",
966 .name = "TCX framebuffer",
Markus Armbrustere1781132021-03-04 15:02:28 +0100967 .class_names = { "sun-tcx" },
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -0200968 },
969 [VGA_CG3] = {
970 .opt_name = "cg3",
971 .name = "CG3 framebuffer",
Eduardo Habkostc2c7b222015-11-11 18:55:56 -0200972 .class_names = { "cgthree" },
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -0200973 },
Thomas Huthf07b3a82022-04-27 14:33:16 +0200974#ifdef CONFIG_XEN_BACKEND
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -0200975 [VGA_XENFB] = {
976 .opt_name = "xenfb",
Philippe Mathieu-Daudéd2fa65c2019-04-12 18:37:06 +0200977 .name = "Xen paravirtualized framebuffer",
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -0200978 },
Thomas Huthf07b3a82022-04-27 14:33:16 +0200979#endif
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -0200980};
981
Eduardo Habkostc2c7b222015-11-11 18:55:56 -0200982static bool vga_interface_available(VGAInterfaceType t)
983{
Marc-André Lureau53b93512019-04-12 17:27:12 +0200984 const VGAInterfaceInfo *ti = &vga_interfaces[t];
Eduardo Habkostc2c7b222015-11-11 18:55:56 -0200985
986 assert(t < VGA_TYPE_MAX);
987 return !ti->class_names[0] ||
Gerd Hoffmann7ab6e7f2020-06-24 15:10:38 +0200988 module_object_class_by_name(ti->class_names[0]) ||
989 module_object_class_by_name(ti->class_names[1]);
Eduardo Habkostc2c7b222015-11-11 18:55:56 -0200990}
991
Marc-André Lureaudceb8852019-04-12 17:27:13 +0200992static const char *
993get_default_vga_model(const MachineClass *machine_class)
994{
995 if (machine_class->default_display) {
Thomas Huthd563cc82023-05-10 18:54:33 +0200996 for (int t = 0; t < VGA_TYPE_MAX; t++) {
997 const VGAInterfaceInfo *ti = &vga_interfaces[t];
998
999 if (ti->opt_name && vga_interface_available(t) &&
1000 g_str_equal(ti->opt_name, machine_class->default_display)) {
1001 return machine_class->default_display;
1002 }
1003 }
1004
1005 warn_report_once("Default display '%s' is not available in this binary",
1006 machine_class->default_display);
1007 return NULL;
Marc-André Lureaudceb8852019-04-12 17:27:13 +02001008 } else if (vga_interface_available(VGA_CIRRUS)) {
1009 return "cirrus";
1010 } else if (vga_interface_available(VGA_STD)) {
1011 return "std";
1012 }
1013
1014 return NULL;
1015}
1016
1017static void select_vgahw(const MachineClass *machine_class, const char *p)
malc3893c122008-09-28 00:42:05 +00001018{
1019 const char *opts;
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -02001020 int t;
malc3893c122008-09-28 00:42:05 +00001021
Marc-André Lureaudceb8852019-04-12 17:27:13 +02001022 if (g_str_equal(p, "help")) {
1023 const char *def = get_default_vga_model(machine_class);
1024
1025 for (t = 0; t < VGA_TYPE_MAX; t++) {
1026 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1027
1028 if (vga_interface_available(t) && ti->opt_name) {
1029 printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "",
Guo Zhi6985d8e2022-05-03 17:17:24 +08001030 (def && g_str_equal(ti->opt_name, def)) ?
1031 " (default)" : "");
Marc-André Lureaudceb8852019-04-12 17:27:13 +02001032 }
1033 }
1034 exit(0);
1035 }
1036
Mark Wud44229c2014-03-10 22:37:40 +08001037 assert(vga_interface_type == VGA_NONE);
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -02001038 for (t = 0; t < VGA_TYPE_MAX; t++) {
Marc-André Lureau53b93512019-04-12 17:27:12 +02001039 const VGAInterfaceInfo *ti = &vga_interfaces[t];
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -02001040 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
Eduardo Habkostc2c7b222015-11-11 18:55:56 -02001041 if (!vga_interface_available(t)) {
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -02001042 error_report("%s not available", ti->name);
1043 exit(1);
1044 }
1045 vga_interface_type = t;
1046 break;
Blue Swirla369da52011-09-27 19:15:42 +00001047 }
Eduardo Habkost8c9a2b72015-10-28 19:19:58 -02001048 }
1049 if (t == VGA_TYPE_MAX) {
malc3893c122008-09-28 00:42:05 +00001050 invalid_vga:
Eduardo Habkost3e515372015-10-30 13:07:58 -02001051 error_report("unknown vga type: %s", p);
malc3893c122008-09-28 00:42:05 +00001052 exit(1);
1053 }
malccb5a7aa2008-09-28 00:42:12 +00001054 while (*opts) {
1055 const char *nextopt;
1056
1057 if (strstart(opts, ",retrace=", &nextopt)) {
1058 opts = nextopt;
1059 if (strstart(opts, "dumb", &nextopt))
1060 vga_retrace_method = VGA_RETRACE_DUMB;
1061 else if (strstart(opts, "precise", &nextopt))
1062 vga_retrace_method = VGA_RETRACE_PRECISE;
1063 else goto invalid_vga;
1064 } else goto invalid_vga;
1065 opts = nextopt;
1066 }
malc3893c122008-09-28 00:42:05 +00001067}
1068
Gerd Hoffmann776d1342018-05-07 11:55:36 +02001069static void parse_display_qapi(const char *optarg)
1070{
Gerd Hoffmann776d1342018-05-07 11:55:36 +02001071 DisplayOptions *opts;
1072 Visitor *v;
1073
Markus Armbruster50beeb62018-10-17 10:26:26 +02001074 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
Gerd Hoffmann776d1342018-05-07 11:55:36 +02001075
1076 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
1077 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
1078
1079 qapi_free_DisplayOptions(opts);
1080 visit_free(v);
1081}
1082
Gerd Hoffmanne1ca8f72018-11-22 08:16:13 +01001083DisplayOptions *qmp_query_display_options(Error **errp)
1084{
1085 return QAPI_CLONE(DisplayOptions, &dpy);
1086}
1087
Gerd Hoffmanne3af9f92018-02-02 12:10:22 +01001088static void parse_display(const char *p)
Jes Sorensen1472a952011-03-16 13:33:31 +01001089{
1090 const char *opts;
Jes Sorensen1472a952011-03-16 13:33:31 +01001091
Thomas Huthc388f402020-01-08 15:47:02 +01001092 if (is_help_option(p)) {
1093 qemu_display_help();
1094 exit(0);
1095 }
1096
Thomas Huth9eafdee2022-05-19 17:56:24 +02001097 if (strstart(p, "vnc", &opts)) {
Gerd Hoffmann7a61f432018-05-07 11:55:39 +02001098 /*
1099 * vnc isn't a (local) DisplayType but a protocol for remote
1100 * display access.
1101 */
Gerd Hoffmann4db14622014-09-16 12:33:03 +02001102 if (*opts == '=') {
Paolo Bonzini653c9742021-01-20 15:42:35 +01001103 vnc_parse(opts + 1);
Gerd Hoffmann4db14622014-09-16 12:33:03 +02001104 } else {
Markus Armbrusterc6bf0f72015-02-13 18:23:45 +01001105 error_report("VNC requires a display argument vnc=<display>");
Jes Sorensen3264ff12011-03-16 13:33:33 +01001106 exit(1);
1107 }
Jes Sorensen1472a952011-03-16 13:33:31 +01001108 } else {
Gerd Hoffmann776d1342018-05-07 11:55:36 +02001109 parse_display_qapi(p);
Jes Sorensen1472a952011-03-16 13:33:31 +01001110 }
Jes Sorensen1472a952011-03-16 13:33:31 +01001111}
1112
Gabriel L. Somlo6407d762015-09-29 12:29:01 -04001113static inline bool nonempty_str(const char *str)
1114{
1115 return str && *str;
1116}
1117
Gabriel L. Somlo81b2b812015-04-29 11:21:53 -04001118static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
1119{
1120 gchar *buf;
1121 size_t size;
Philippe Mathieu-Daudé6552d872020-05-19 19:20:43 +02001122 const char *name, *file, *str, *gen_id;
Gerd Hoffmannbab47d92016-04-07 09:12:58 -05001123 FWCfgState *fw_cfg = (FWCfgState *) opaque;
Gabriel L. Somlo81b2b812015-04-29 11:21:53 -04001124
Gerd Hoffmannbab47d92016-04-07 09:12:58 -05001125 if (fw_cfg == NULL) {
Markus Armbruster406b6362018-10-17 10:26:47 +02001126 error_setg(errp, "fw_cfg device not available");
Gabriel L. Somlo81b2b812015-04-29 11:21:53 -04001127 return -1;
1128 }
1129 name = qemu_opt_get(opts, "name");
1130 file = qemu_opt_get(opts, "file");
Gabriel L. Somlo6407d762015-09-29 12:29:01 -04001131 str = qemu_opt_get(opts, "string");
Philippe Mathieu-Daudé6552d872020-05-19 19:20:43 +02001132 gen_id = qemu_opt_get(opts, "gen_id");
Gabriel L. Somlo6407d762015-09-29 12:29:01 -04001133
Philippe Mathieu-Daudé6552d872020-05-19 19:20:43 +02001134 /* we need the name, and exactly one of: file, content string, gen_id */
1135 if (!nonempty_str(name) ||
1136 nonempty_str(file) + nonempty_str(str) + nonempty_str(gen_id) != 1) {
1137 error_setg(errp, "name, plus exactly one of file,"
1138 " string and gen_id, are needed");
Gabriel L. Somlo81b2b812015-04-29 11:21:53 -04001139 return -1;
1140 }
1141 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
Markus Armbruster406b6362018-10-17 10:26:47 +02001142 error_setg(errp, "name too long (max. %d char)",
1143 FW_CFG_MAX_FILE_PATH - 1);
Gabriel L. Somlo81b2b812015-04-29 11:21:53 -04001144 return -1;
1145 }
Philippe Mathieu-Daudéf7d8afb2020-05-19 19:17:09 +02001146 if (nonempty_str(gen_id)) {
1147 /*
1148 * In this particular case where the content is populated
1149 * internally, the "etc/" namespace protection is relaxed,
1150 * so do not emit a warning.
1151 */
1152 } else if (strncmp(name, "opt/", 4) != 0) {
Alistair Francis3dc6f862017-07-12 06:57:41 -07001153 warn_report("externally provided fw_cfg item names "
1154 "should be prefixed with \"opt/\"");
Gabriel L. Somlo81b2b812015-04-29 11:21:53 -04001155 }
Gabriel L. Somlo6407d762015-09-29 12:29:01 -04001156 if (nonempty_str(str)) {
1157 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
1158 buf = g_memdup(str, size);
Philippe Mathieu-Daudé6552d872020-05-19 19:20:43 +02001159 } else if (nonempty_str(gen_id)) {
Philippe Mathieu-Daudé07719512020-07-20 14:20:15 +02001160 if (!fw_cfg_add_from_generator(fw_cfg, name, gen_id, errp)) {
Philippe Mathieu-Daudé6552d872020-05-19 19:20:43 +02001161 return -1;
1162 }
1163 return 0;
Gabriel L. Somlo6407d762015-09-29 12:29:01 -04001164 } else {
Li Qiang353c7d52018-10-31 22:59:31 -07001165 GError *err = NULL;
1166 if (!g_file_get_contents(file, &buf, &size, &err)) {
1167 error_setg(errp, "can't load %s: %s", file, err->message);
1168 g_error_free(err);
Gabriel L. Somlo6407d762015-09-29 12:29:01 -04001169 return -1;
1170 }
Gabriel L. Somlo81b2b812015-04-29 11:21:53 -04001171 }
Gerd Hoffmannbab47d92016-04-07 09:12:58 -05001172 /* For legacy, keep user files in a specific global order. */
1173 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
1174 fw_cfg_add_file(fw_cfg, name, buf, size);
1175 fw_cfg_reset_order_override(fw_cfg);
Gabriel L. Somlo81b2b812015-04-29 11:21:53 -04001176 return 0;
1177}
1178
Markus Armbruster28d0de72015-03-13 13:35:14 +01001179static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
Markus Armbrusterff952ba2010-01-29 19:48:57 +01001180{
1181 return qdev_device_help(opts);
1182}
1183
Markus Armbruster28d0de72015-03-13 13:35:14 +01001184static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
Gerd Hoffmannf31d07d2009-07-31 12:25:37 +02001185{
1186 DeviceState *dev;
1187
Markus Armbrustercd65f342018-10-17 10:26:48 +02001188 dev = qdev_device_add(opts, errp);
Jens Freimannf3a85052019-10-29 12:48:55 +01001189 if (!dev && *errp) {
1190 error_report_err(*errp);
Gerd Hoffmannf31d07d2009-07-31 12:25:37 +02001191 return -1;
Jens Freimannf3a85052019-10-29 12:48:55 +01001192 } else if (dev) {
1193 object_unref(OBJECT(dev));
Markus Armbrusterf006cf72015-03-12 14:00:41 +01001194 }
Gerd Hoffmannf31d07d2009-07-31 12:25:37 +02001195 return 0;
1196}
1197
Markus Armbruster28d0de72015-03-13 13:35:14 +01001198static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
Gerd Hoffmann1a688d32009-12-08 13:11:36 +01001199{
Gerd Hoffmannbd2d80b2012-10-15 09:28:05 +02001200 Error *local_err = NULL;
Gerd Hoffmann1a688d32009-12-08 13:11:36 +01001201
Paolo Bonzini4ad6f6c2019-02-13 14:18:13 +01001202 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
Anton Nefedov0ec846b2017-07-25 13:04:41 +03001203 if (local_err) {
Markus Armbrusterdd4af972018-10-17 10:26:44 +02001204 error_propagate(errp, local_err);
Anton Nefedov0ec846b2017-07-25 13:04:41 +03001205 return -1;
1206 }
1207 exit(0);
Gerd Hoffmannbd2d80b2012-10-15 09:28:05 +02001208 }
Gerd Hoffmann1a688d32009-12-08 13:11:36 +01001209 return 0;
1210}
1211
Venkateswararao Jujjuri (JV)758e8e32010-06-14 13:34:41 -07001212#ifdef CONFIG_VIRTFS
Markus Armbruster28d0de72015-03-13 13:35:14 +01001213static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
Gautham R Shenoy74db9202010-04-29 17:44:43 +05301214{
Markus Armbrusterb8367232018-10-17 10:26:55 +02001215 return qemu_fsdev_add(opts, errp);
Gautham R Shenoy74db9202010-04-29 17:44:43 +05301216}
1217#endif
1218
Markus Armbruster28d0de72015-03-13 13:35:14 +01001219static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
Gerd Hoffmann88589342009-12-08 13:11:50 +01001220{
Kevin Wolfc3e95552020-01-29 11:22:36 +01001221 return monitor_init_opts(opts, errp);
Gerd Hoffmann88589342009-12-08 13:11:50 +01001222}
1223
Max Reitz4821cd42014-11-17 13:31:04 +01001224static void monitor_parse(const char *optarg, const char *mode, bool pretty)
Gerd Hoffmann88589342009-12-08 13:11:50 +01001225{
1226 static int monitor_device_index = 0;
1227 QemuOpts *opts;
1228 const char *p;
1229 char label[32];
Gerd Hoffmann88589342009-12-08 13:11:50 +01001230
1231 if (strstart(optarg, "chardev:", &p)) {
1232 snprintf(label, sizeof(label), "%s", p);
1233 } else {
Jan Kiszka140e0652010-04-06 16:55:52 +02001234 snprintf(label, sizeof(label), "compat_monitor%d",
1235 monitor_device_index);
Marc-André Lureau95e30b22018-08-22 19:19:42 +02001236 opts = qemu_chr_parse_compat(label, optarg, true);
Gerd Hoffmann88589342009-12-08 13:11:50 +01001237 if (!opts) {
Eduardo Habkostf61eddc2015-10-30 13:07:52 -02001238 error_report("parse error: %s", optarg);
Gerd Hoffmann88589342009-12-08 13:11:50 +01001239 exit(1);
1240 }
1241 }
1242
Eduardo Habkost822ac122016-05-12 11:10:00 -03001243 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
Markus Armbrusterf43e47d2015-02-12 17:52:20 +01001244 qemu_opt_set(opts, "mode", mode, &error_abort);
1245 qemu_opt_set(opts, "chardev", label, &error_abort);
Kevin Wolf3c45f622019-06-13 17:34:05 +02001246 if (!strcmp(mode, "control")) {
1247 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
1248 } else {
1249 assert(pretty == false);
1250 }
Gerd Hoffmann88589342009-12-08 13:11:50 +01001251 monitor_device_index++;
1252}
1253
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02001254struct device_config {
1255 enum {
Gerd Hoffmannaee1b932009-12-08 13:11:53 +01001256 DEV_USB, /* -usbdevice */
Gerd Hoffmannaee1b932009-12-08 13:11:53 +01001257 DEV_SERIAL, /* -serial */
1258 DEV_PARALLEL, /* -parallel */
H. Peter Anvinc9f398e2009-12-29 13:51:36 -08001259 DEV_DEBUGCON, /* -debugcon */
Markus Armbrusteref0c4a02012-02-07 15:09:13 +01001260 DEV_GDB, /* -gdb, -s */
Alexander Graf3ef669e2013-01-24 12:18:52 +01001261 DEV_SCLP, /* s390 sclp */
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02001262 } type;
1263 const char *cmdline;
Markus Armbrusterd9a59542012-02-07 15:09:12 +01001264 Location loc;
Blue Swirl72cf2d42009-09-12 07:36:22 +00001265 QTAILQ_ENTRY(device_config) next;
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02001266};
Blue Swirl4fdcac02012-10-28 11:04:47 +00001267
1268static QTAILQ_HEAD(, device_config) device_configs =
1269 QTAILQ_HEAD_INITIALIZER(device_configs);
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02001270
1271static void add_device_config(int type, const char *cmdline)
1272{
1273 struct device_config *conf;
1274
Anthony Liguori7267c092011-08-20 22:09:37 -05001275 conf = g_malloc0(sizeof(*conf));
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02001276 conf->type = type;
1277 conf->cmdline = cmdline;
Markus Armbrusterd9a59542012-02-07 15:09:12 +01001278 loc_save(&conf->loc);
Blue Swirl72cf2d42009-09-12 07:36:22 +00001279 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02001280}
1281
1282static int foreach_device_config(int type, int (*func)(const char *cmdline))
1283{
1284 struct device_config *conf;
1285 int rc;
1286
Blue Swirl72cf2d42009-09-12 07:36:22 +00001287 QTAILQ_FOREACH(conf, &device_configs, next) {
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02001288 if (conf->type != type)
1289 continue;
Markus Armbrusterd9a59542012-02-07 15:09:12 +01001290 loc_push_restore(&conf->loc);
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02001291 rc = func(conf->cmdline);
Markus Armbrusterd9a59542012-02-07 15:09:12 +01001292 loc_pop(&conf->loc);
Gonglei28de2f82014-08-11 21:00:57 +08001293 if (rc) {
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02001294 return rc;
Gonglei28de2f82014-08-11 21:00:57 +08001295 }
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02001296 }
1297 return 0;
1298}
1299
Paolo Bonzinif6502662020-10-21 06:22:39 -04001300static void qemu_disable_default_devices(void)
1301{
1302 MachineClass *machine_class = MACHINE_GET_CLASS(current_machine);
1303
Kevin Wolf5dacda52021-10-08 15:34:42 +02001304 default_driver_check_json();
Paolo Bonzinif6502662020-10-21 06:22:39 -04001305 qemu_opts_foreach(qemu_find_opts("device"),
1306 default_driver_check, NULL, NULL);
1307 qemu_opts_foreach(qemu_find_opts("global"),
1308 default_driver_check, NULL, NULL);
1309
1310 if (!vga_model && !default_vga) {
1311 vga_interface_type = VGA_DEVICE;
Gautam Agrawalf9bcb2d2022-05-01 17:55:05 +05301312 vga_interface_created = true;
Paolo Bonzinif6502662020-10-21 06:22:39 -04001313 }
1314 if (!has_defaults || machine_class->no_serial) {
1315 default_serial = 0;
1316 }
1317 if (!has_defaults || machine_class->no_parallel) {
1318 default_parallel = 0;
1319 }
1320 if (!has_defaults || machine_class->no_floppy) {
1321 default_floppy = 0;
1322 }
1323 if (!has_defaults || machine_class->no_cdrom) {
1324 default_cdrom = 0;
1325 }
1326 if (!has_defaults || machine_class->no_sdcard) {
1327 default_sdcard = 0;
1328 }
1329 if (!has_defaults) {
1330 default_monitor = 0;
1331 default_net = 0;
1332 default_vga = 0;
Thomas Huth26a08022023-05-10 21:26:13 +02001333 } else {
1334 if (default_net && machine_class->default_nic &&
1335 !module_object_class_by_name(machine_class->default_nic)) {
1336 warn_report("Default NIC '%s' is not available in this binary",
1337 machine_class->default_nic);
1338 default_net = 0;
1339 }
Paolo Bonzinif6502662020-10-21 06:22:39 -04001340 }
1341}
1342
1343static void qemu_create_default_devices(void)
1344{
1345 MachineClass *machine_class = MACHINE_GET_CLASS(current_machine);
1346
1347 if (is_daemonized()) {
1348 /* According to documentation and historically, -nographic redirects
1349 * serial port, parallel port and monitor to stdio, which does not work
1350 * with -daemonize. We can redirect these to null instead, but since
1351 * -nographic is legacy, let's just error out.
1352 * We disallow -nographic only if all other ports are not redirected
1353 * explicitly, to not break existing legacy setups which uses
1354 * -nographic _and_ redirects all ports explicitly - this is valid
1355 * usage, -nographic is just a no-op in this case.
1356 */
1357 if (nographic
1358 && (default_parallel || default_serial || default_monitor)) {
1359 error_report("-nographic cannot be used with -daemonize");
1360 exit(1);
1361 }
1362 }
1363
1364 if (nographic) {
1365 if (default_parallel)
1366 add_device_config(DEV_PARALLEL, "null");
1367 if (default_serial && default_monitor) {
1368 add_device_config(DEV_SERIAL, "mon:stdio");
1369 } else {
1370 if (default_serial)
1371 add_device_config(DEV_SERIAL, "stdio");
1372 if (default_monitor)
1373 monitor_parse("stdio", "readline", false);
1374 }
1375 } else {
1376 if (default_serial)
1377 add_device_config(DEV_SERIAL, "vc:80Cx24C");
1378 if (default_parallel)
1379 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
1380 if (default_monitor)
1381 monitor_parse("vc:80Cx24C", "readline", false);
1382 }
1383
1384 if (default_net) {
1385 QemuOptsList *net = qemu_find_opts("net");
1386 qemu_opts_parse(net, "nic", true, &error_abort);
1387#ifdef CONFIG_SLIRP
1388 qemu_opts_parse(net, "user", true, &error_abort);
1389#endif
1390 }
1391
1392#if defined(CONFIG_VNC)
1393 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
1394 display_remote++;
1395 }
1396#endif
1397 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
1398 if (!qemu_display_find_default(&dpy)) {
1399 dpy.type = DISPLAY_TYPE_NONE;
1400#if defined(CONFIG_VNC)
Paolo Bonzini653c9742021-01-20 15:42:35 +01001401 vnc_parse("localhost:0,to=99,id=default");
Paolo Bonzinif6502662020-10-21 06:22:39 -04001402#endif
1403 }
1404 }
1405 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
1406 dpy.type = DISPLAY_TYPE_NONE;
1407 }
1408
1409 /* If no default VGA is requested, the default is "none". */
1410 if (default_vga) {
1411 vga_model = get_default_vga_model(machine_class);
1412 }
1413 if (vga_model) {
1414 select_vgahw(machine_class, vga_model);
1415 }
1416}
1417
Gerd Hoffmann998bbd72009-12-08 13:11:41 +01001418static int serial_parse(const char *devname)
1419{
Peter Maydell6af26922018-04-20 15:52:48 +01001420 int index = num_serial_hds;
Gerd Hoffmann998bbd72009-12-08 13:11:41 +01001421 char label[32];
1422
1423 if (strcmp(devname, "none") == 0)
1424 return 0;
Gerd Hoffmann998bbd72009-12-08 13:11:41 +01001425 snprintf(label, sizeof(label), "serial%d", index);
Peter Maydell6af26922018-04-20 15:52:48 +01001426 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
1427
Paolo Bonzini4ad6f6c2019-02-13 14:18:13 +01001428 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
Gerd Hoffmann998bbd72009-12-08 13:11:41 +01001429 if (!serial_hds[index]) {
Eduardo Habkostf61eddc2015-10-30 13:07:52 -02001430 error_report("could not connect serial device"
1431 " to character backend '%s'", devname);
Gerd Hoffmann998bbd72009-12-08 13:11:41 +01001432 return -1;
1433 }
Peter Maydell6af26922018-04-20 15:52:48 +01001434 num_serial_hds++;
Gerd Hoffmann998bbd72009-12-08 13:11:41 +01001435 return 0;
1436}
1437
Peter Maydella8d78cd2018-04-20 15:52:42 +01001438Chardev *serial_hd(int i)
1439{
1440 assert(i >= 0);
Peter Maydell6af26922018-04-20 15:52:48 +01001441 if (i < num_serial_hds) {
Peter Maydella8d78cd2018-04-20 15:52:42 +01001442 return serial_hds[i];
1443 }
1444 return NULL;
1445}
1446
Gerd Hoffmann6a5e8b02009-12-08 13:11:42 +01001447static int parallel_parse(const char *devname)
1448{
1449 static int index = 0;
1450 char label[32];
1451
1452 if (strcmp(devname, "none") == 0)
1453 return 0;
1454 if (index == MAX_PARALLEL_PORTS) {
Eduardo Habkostf61eddc2015-10-30 13:07:52 -02001455 error_report("too many parallel ports");
Gerd Hoffmann6a5e8b02009-12-08 13:11:42 +01001456 exit(1);
1457 }
1458 snprintf(label, sizeof(label), "parallel%d", index);
Paolo Bonzini4ad6f6c2019-02-13 14:18:13 +01001459 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
Gerd Hoffmann6a5e8b02009-12-08 13:11:42 +01001460 if (!parallel_hds[index]) {
Eduardo Habkostf61eddc2015-10-30 13:07:52 -02001461 error_report("could not connect parallel device"
1462 " to character backend '%s'", devname);
Gerd Hoffmann6a5e8b02009-12-08 13:11:42 +01001463 return -1;
1464 }
1465 index++;
1466 return 0;
1467}
1468
H. Peter Anvinc9f398e2009-12-29 13:51:36 -08001469static int debugcon_parse(const char *devname)
Laszlo Ersek4d8b3c62013-03-21 00:23:13 +01001470{
H. Peter Anvinc9f398e2009-12-29 13:51:36 -08001471 QemuOpts *opts;
1472
Paolo Bonzini4ad6f6c2019-02-13 14:18:13 +01001473 if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
Philippe Mathieu-Daudéd7ecf712018-10-11 19:12:54 +02001474 error_report("invalid character backend '%s'", devname);
H. Peter Anvinc9f398e2009-12-29 13:51:36 -08001475 exit(1);
1476 }
Luiz Capitulino8be7e7e2012-03-20 15:51:57 -03001477 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
H. Peter Anvinc9f398e2009-12-29 13:51:36 -08001478 if (!opts) {
Eduardo Habkostf61eddc2015-10-30 13:07:52 -02001479 error_report("already have a debugcon device");
H. Peter Anvinc9f398e2009-12-29 13:51:36 -08001480 exit(1);
1481 }
Markus Armbrusterf43e47d2015-02-12 17:52:20 +01001482 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
1483 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
H. Peter Anvinc9f398e2009-12-29 13:51:36 -08001484 return 0;
1485}
1486
Laszlo Ersek2709f262014-09-22 22:38:35 +02001487static gint machine_class_cmp(gconstpointer a, gconstpointer b)
1488{
1489 const MachineClass *mc1 = a, *mc2 = b;
1490 int res;
1491
1492 if (mc1->family == NULL) {
1493 if (mc2->family == NULL) {
1494 /* Compare standalone machine types against each other; they sort
1495 * in increasing order.
1496 */
1497 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
1498 object_class_get_name(OBJECT_CLASS(mc2)));
1499 }
1500
1501 /* Standalone machine types sort after families. */
1502 return 1;
1503 }
1504
1505 if (mc2->family == NULL) {
1506 /* Families sort before standalone machine types. */
1507 return -1;
1508 }
1509
1510 /* Families sort between each other alphabetically increasingly. */
1511 res = strcmp(mc1->family, mc2->family);
1512 if (res != 0) {
1513 return res;
1514 }
1515
1516 /* Within the same family, machine types sort in decreasing order. */
1517 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
1518 object_class_get_name(OBJECT_CLASS(mc1)));
1519}
1520
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001521static void machine_help_func(const QDict *qdict)
Jan Kiszka9052ea62011-07-23 12:38:37 +02001522{
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001523 GSList *machines, *el;
1524 const char *type = qdict_get_try_str(qdict, "type");
Jan Kiszka9052ea62011-07-23 12:38:37 +02001525
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001526 machines = object_class_get_list(TYPE_MACHINE, false);
1527 if (type) {
1528 ObjectClass *machine_class = OBJECT_CLASS(find_machine(type, machines));
1529 if (machine_class) {
1530 type_print_class_properties(object_class_get_name(machine_class));
1531 return;
Jan Kiszka9052ea62011-07-23 12:38:37 +02001532 }
Jan Kiszka9052ea62011-07-23 12:38:37 +02001533 }
Marcel Apfelbaum261747f2014-03-05 19:30:46 +02001534
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001535 printf("Supported machines are:\n");
1536 machines = g_slist_sort(machines, machine_class_cmp);
1537 for (el = machines; el; el = el->next) {
1538 MachineClass *mc = el->data;
1539 if (mc->alias) {
1540 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
1541 }
1542 printf("%-20s %s%s%s\n", mc->name, mc->desc,
1543 mc->is_default ? " (default)" : "",
1544 mc->deprecation_reason ? " (deprecated)" : "");
Markus Armbruster12cb82f2019-04-05 14:41:21 +08001545 }
Jan Kiszka9052ea62011-07-23 12:38:37 +02001546}
1547
Paolo Bonzinife680902021-05-13 09:03:48 -04001548static void
Paolo Bonzinia3c2f122021-07-29 15:53:27 +02001549machine_merge_property(const char *propname, QDict *prop, Error **errp)
1550{
1551 QDict *opts;
1552
1553 opts = qdict_new();
1554 /* Preserve the caller's reference to prop. */
1555 qobject_ref(prop);
1556 qdict_put(opts, propname, prop);
1557 keyval_merge(machine_opts_dict, opts, errp);
1558 qobject_unref(opts);
1559}
1560
1561static void
Paolo Bonzinife680902021-05-13 09:03:48 -04001562machine_parse_property_opt(QemuOptsList *opts_list, const char *propname,
Markus Armbrusterf9dfae92021-07-20 14:54:07 +02001563 const char *arg)
Paolo Bonzinife680902021-05-13 09:03:48 -04001564{
Paolo Bonzinia3c2f122021-07-29 15:53:27 +02001565 QDict *prop = NULL;
Paolo Bonzinife680902021-05-13 09:03:48 -04001566 bool help = false;
Paolo Bonzinife680902021-05-13 09:03:48 -04001567
Markus Armbrusterf9dfae92021-07-20 14:54:07 +02001568 prop = keyval_parse(arg, opts_list->implied_opt_name, &help, &error_fatal);
Paolo Bonzinife680902021-05-13 09:03:48 -04001569 if (help) {
1570 qemu_opts_print_help(opts_list, true);
Markus Armbruster3e61a132021-07-20 14:54:08 +02001571 exit(0);
Paolo Bonzinife680902021-05-13 09:03:48 -04001572 }
Markus Armbrusterf9dfae92021-07-20 14:54:07 +02001573 machine_merge_property(propname, prop, &error_fatal);
Paolo Bonzinia3c2f122021-07-29 15:53:27 +02001574 qobject_unref(prop);
Paolo Bonzinife680902021-05-13 09:03:48 -04001575}
1576
Marc-André Lureau90a84d12018-09-07 16:13:19 +04001577static const char *pid_file;
Hanna Reitz85c4bf82022-06-09 14:27:01 +02001578struct UnlinkPidfileNotifier {
1579 Notifier notifier;
1580 char *pid_file_realpath;
1581};
1582static struct UnlinkPidfileNotifier qemu_unlink_pidfile_notifier;
Marc-André Lureau90a84d12018-09-07 16:13:19 +04001583
1584static void qemu_unlink_pidfile(Notifier *n, void *data)
1585{
Hanna Reitz85c4bf82022-06-09 14:27:01 +02001586 struct UnlinkPidfileNotifier *upn;
1587
1588 upn = DO_UPCAST(struct UnlinkPidfileNotifier, notifier, n);
1589 unlink(upn->pid_file_realpath);
Marc-André Lureau90a84d12018-09-07 16:13:19 +04001590}
1591
Anthony Liguori6530a972010-01-22 09:18:06 -06001592static const QEMUOption *lookup_opt(int argc, char **argv,
1593 const char **poptarg, int *poptind)
1594{
1595 const QEMUOption *popt;
1596 int optind = *poptind;
1597 char *r = argv[optind];
1598 const char *optarg;
1599
Markus Armbruster0f0bc3f2010-02-18 20:13:51 +01001600 loc_set_cmdline(argv, optind, 1);
Anthony Liguori6530a972010-01-22 09:18:06 -06001601 optind++;
1602 /* Treat --foo the same as -foo. */
1603 if (r[1] == '-')
1604 r++;
1605 popt = qemu_options;
1606 for(;;) {
1607 if (!popt->name) {
Markus Armbruster0f0bc3f2010-02-18 20:13:51 +01001608 error_report("invalid option");
Anthony Liguori6530a972010-01-22 09:18:06 -06001609 exit(1);
1610 }
1611 if (!strcmp(popt->name, r + 1))
1612 break;
1613 popt++;
1614 }
1615 if (popt->flags & HAS_ARG) {
1616 if (optind >= argc) {
Markus Armbruster0f0bc3f2010-02-18 20:13:51 +01001617 error_report("requires an argument");
Anthony Liguori6530a972010-01-22 09:18:06 -06001618 exit(1);
1619 }
1620 optarg = argv[optind++];
Markus Armbruster0f0bc3f2010-02-18 20:13:51 +01001621 loc_set_cmdline(argv, optind - 2, 2);
Anthony Liguori6530a972010-01-22 09:18:06 -06001622 } else {
1623 optarg = NULL;
1624 }
1625
1626 *poptarg = optarg;
1627 *poptind = optind;
1628
1629 return popt;
1630}
1631
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001632static MachineClass *select_machine(QDict *qdict, Error **errp)
Marcel Apfelbaum34f405a2016-02-12 17:02:24 -02001633{
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001634 const char *optarg = qdict_get_try_str(qdict, "type");
Wei Yangc516cd12019-04-05 14:41:19 +08001635 GSList *machines = object_class_get_list(TYPE_MACHINE, false);
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001636 MachineClass *machine_class;
1637 Error *local_err = NULL;
Marcel Apfelbaum34f405a2016-02-12 17:02:24 -02001638
Marcel Apfelbaum34f405a2016-02-12 17:02:24 -02001639 if (optarg) {
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001640 machine_class = find_machine(optarg, machines);
1641 qdict_del(qdict, "type");
1642 if (!machine_class) {
1643 error_setg(&local_err, "unsupported machine type");
1644 }
1645 } else {
1646 machine_class = find_default_machine(machines);
1647 if (!machine_class) {
1648 error_setg(&local_err, "No machine specified, and there is no default");
1649 }
Marcel Apfelbaum34f405a2016-02-12 17:02:24 -02001650 }
1651
Wei Yangc516cd12019-04-05 14:41:19 +08001652 g_slist_free(machines);
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001653 if (local_err) {
1654 error_append_hint(&local_err, "Use -machine help to list supported machines\n");
1655 error_propagate(errp, local_err);
1656 }
Markus Armbruster7580f232016-02-16 15:51:53 +01001657 return machine_class;
Marcel Apfelbaum34f405a2016-02-12 17:02:24 -02001658}
1659
Paolo Bonzinie5db4bd2019-11-13 11:44:48 +01001660static int object_parse_property_opt(Object *obj,
1661 const char *name, const char *value,
1662 const char *skip, Error **errp)
Anthony Liguori68d98d32012-06-25 14:36:33 -05001663{
Paolo Bonzinie5db4bd2019-11-13 11:44:48 +01001664 if (g_str_equal(name, skip)) {
Anthony Liguori68d98d32012-06-25 14:36:33 -05001665 return 0;
1666 }
1667
Markus Armbruster668f62e2020-07-07 18:06:02 +02001668 if (!object_property_parse(obj, name, value, errp)) {
Anthony Liguori68d98d32012-06-25 14:36:33 -05001669 return -1;
1670 }
1671
1672 return 0;
1673}
1674
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001675/* *Non*recursively replace underscores with dashes in QDict keys. */
1676static void keyval_dashify(QDict *qdict, Error **errp)
Paolo Bonzinie5db4bd2019-11-13 11:44:48 +01001677{
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001678 const QDictEntry *ent, *next;
Paolo Bonzinie5db4bd2019-11-13 11:44:48 +01001679 char *p;
1680
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001681 for (ent = qdict_first(qdict); ent; ent = next) {
1682 g_autofree char *new_key = NULL;
1683
1684 next = qdict_next(qdict, ent);
1685 if (!strchr(ent->key, '_')) {
1686 continue;
Paolo Bonzinie5db4bd2019-11-13 11:44:48 +01001687 }
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001688 new_key = g_strdup(ent->key);
1689 for (p = new_key; *p; p++) {
1690 if (*p == '_') {
1691 *p = '-';
1692 }
1693 }
1694 if (qdict_haskey(qdict, new_key)) {
1695 error_setg(errp, "Conflict between '%s' and '%s'", ent->key, new_key);
1696 return;
1697 }
1698 qobject_ref(ent->value);
1699 qdict_put_obj(qdict, new_key, ent->value);
1700 qdict_del(qdict, ent->key);
Paolo Bonzinie5db4bd2019-11-13 11:44:48 +01001701 }
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001702}
1703
1704static void qemu_apply_legacy_machine_options(QDict *qdict)
1705{
1706 const char *value;
Paolo Bonzinice9d03f2022-04-14 12:52:58 -04001707 QObject *prop;
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001708
1709 keyval_dashify(qdict, &error_fatal);
Paolo Bonzinie5db4bd2019-11-13 11:44:48 +01001710
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01001711 /* Legacy options do not correspond to MachineState properties. */
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001712 value = qdict_get_try_str(qdict, "accel");
1713 if (value) {
1714 accelerators = g_strdup(value);
1715 qdict_del(qdict, "accel");
Sunil Muthuswamyfaf20792020-10-28 02:23:19 +00001716 }
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01001717
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001718 value = qdict_get_try_str(qdict, "igd-passthru");
1719 if (value) {
1720 object_register_sugar_prop(ACCEL_CLASS_NAME("xen"), "igd-passthru", value,
1721 false);
1722 qdict_del(qdict, "igd-passthru");
1723 }
1724
1725 value = qdict_get_try_str(qdict, "kvm-shadow-mem");
1726 if (value) {
1727 object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), "kvm-shadow-mem", value,
1728 false);
1729 qdict_del(qdict, "kvm-shadow-mem");
1730 }
1731
1732 value = qdict_get_try_str(qdict, "kernel-irqchip");
1733 if (value) {
1734 object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), "kernel-irqchip", value,
1735 false);
1736 object_register_sugar_prop(ACCEL_CLASS_NAME("whpx"), "kernel-irqchip", value,
1737 false);
1738 qdict_del(qdict, "kernel-irqchip");
1739 }
Paolo Bonzinice9d03f2022-04-14 12:52:58 -04001740
Paolo Bonzini26f88d82022-04-14 12:52:59 -04001741 value = qdict_get_try_str(qdict, "memory-backend");
1742 if (value) {
1743 if (mem_path) {
1744 error_report("'-mem-path' can't be used together with"
1745 "'-machine memory-backend'");
1746 exit(EXIT_FAILURE);
1747 }
1748
1749 /* Resolved later. */
1750 ram_memdev_id = g_strdup(value);
1751 qdict_del(qdict, "memory-backend");
1752 }
1753
Paolo Bonzinice9d03f2022-04-14 12:52:58 -04001754 prop = qdict_get(qdict, "memory");
1755 if (prop) {
1756 have_custom_ram_size =
1757 qobject_type(prop) == QTYPE_QDICT &&
1758 qdict_haskey(qobject_to(QDict, prop), "size");
1759 }
Paolo Bonzinie5db4bd2019-11-13 11:44:48 +01001760}
Daniel P. Berrangef08f9272015-05-13 17:14:04 +01001761
Paolo Bonzinibc2f4fc2021-03-12 12:35:46 -05001762static void object_option_foreach_add(bool (*type_opt_predicate)(const char *))
1763{
1764 ObjectOption *opt, *next;
1765
1766 QTAILQ_FOREACH_SAFE(opt, &object_opts, next, next) {
1767 const char *type = ObjectType_str(opt->opts->qom_type);
1768 if (type_opt_predicate(type)) {
1769 user_creatable_add_qapi(opt->opts, &error_fatal);
1770 qapi_free_ObjectOptions(opt->opts);
1771 QTAILQ_REMOVE(&object_opts, opt, next);
1772 g_free(opt);
1773 }
1774 }
1775}
1776
Paolo Bonzini49e98762021-05-24 06:57:52 -04001777static void object_option_add_visitor(Visitor *v)
1778{
1779 ObjectOption *opt = g_new0(ObjectOption, 1);
1780 visit_type_ObjectOptions(v, NULL, &opt->opts, &error_fatal);
1781 QTAILQ_INSERT_TAIL(&object_opts, opt, next);
1782}
1783
Paolo Bonzinibc2f4fc2021-03-12 12:35:46 -05001784static void object_option_parse(const char *optarg)
1785{
Paolo Bonzinibc2f4fc2021-03-12 12:35:46 -05001786 QemuOpts *opts;
1787 const char *type;
1788 Visitor *v;
1789
Paolo Bonzini009ff892021-03-12 12:35:47 -05001790 if (optarg[0] == '{') {
1791 QObject *obj = qobject_from_json(optarg, &error_fatal);
Paolo Bonzinibc2f4fc2021-03-12 12:35:46 -05001792
Paolo Bonzini009ff892021-03-12 12:35:47 -05001793 v = qobject_input_visitor_new(obj);
1794 qobject_unref(obj);
1795 } else {
1796 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
1797 optarg, true);
1798 if (!opts) {
1799 exit(1);
1800 }
1801
1802 type = qemu_opt_get(opts, "qom-type");
1803 if (!type) {
1804 error_setg(&error_fatal, QERR_MISSING_PARAMETER, "qom-type");
1805 }
1806 if (user_creatable_print_help(type, opts)) {
1807 exit(0);
1808 }
1809
1810 v = opts_visitor_new(opts);
Paolo Bonzinibc2f4fc2021-03-12 12:35:46 -05001811 }
1812
Paolo Bonzini49e98762021-05-24 06:57:52 -04001813 object_option_add_visitor(v);
Paolo Bonzinibc2f4fc2021-03-12 12:35:46 -05001814 visit_free(v);
Paolo Bonzinibc2f4fc2021-03-12 12:35:46 -05001815}
1816
Daniel P. Berrangef08f9272015-05-13 17:14:04 +01001817/*
David Hildenbrandbd77c302022-10-14 15:47:20 +02001818 * Very early object creation, before the sandbox options have been activated.
1819 */
1820static bool object_create_pre_sandbox(const char *type)
1821{
1822 /*
1823 * Objects should in general not get initialized "too early" without
1824 * a reason. If you add one, state the reason in a comment!
1825 */
1826
1827 /*
1828 * Reason: -sandbox on,resourcecontrol=deny disallows setting CPU
1829 * affinity of threads.
1830 */
1831 if (g_str_equal(type, "thread-context")) {
1832 return true;
1833 }
1834
1835 return false;
1836}
1837
1838/*
Daniel P. Berrangef08f9272015-05-13 17:14:04 +01001839 * Initial object creation happens before all other
1840 * QEMU data types are created. The majority of objects
1841 * can be created at this point. The rng-egd object
1842 * cannot be created here, as it depends on the chardev
1843 * already existing.
1844 */
Paolo Bonzinibc2f4fc2021-03-12 12:35:46 -05001845static bool object_create_early(const char *type)
Daniel P. Berrangef08f9272015-05-13 17:14:04 +01001846{
Markus Armbrusteredfb4382019-06-04 17:12:51 +02001847 /*
1848 * Objects should not be made "delayed" without a reason. If you
1849 * add one, state the reason in a comment!
1850 */
1851
David Hildenbrandbd77c302022-10-14 15:47:20 +02001852 /* Reason: already created. */
1853 if (object_create_pre_sandbox(type)) {
1854 return false;
1855 }
1856
Paolo Bonzini6ba7ada2020-11-09 10:13:30 -05001857 /* Reason: property "chardev" */
1858 if (g_str_equal(type, "rng-egd") ||
1859 g_str_equal(type, "qtest")) {
Daniel P. Berrangef08f9272015-05-13 17:14:04 +01001860 return false;
1861 }
Yang Hongyang7dbb11c2015-10-07 11:52:21 +08001862
Gonglei042cea22018-03-01 21:46:28 +08001863#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
Markus Armbrusteredfb4382019-06-04 17:12:51 +02001864 /* Reason: cryptodev-vhost-user property "chardev" */
Gonglei042cea22018-03-01 21:46:28 +08001865 if (g_str_equal(type, "cryptodev-vhost-user")) {
1866 return false;
1867 }
1868#endif
1869
Coiby Xu35783892020-09-18 16:09:10 +08001870 /* Reason: vhost-user-blk-server property "node-name" */
1871 if (g_str_equal(type, "vhost-user-blk-server")) {
1872 return false;
1873 }
Thomas Huth9d3e12e2015-10-13 12:40:01 +02001874 /*
Markus Armbrusteredfb4382019-06-04 17:12:51 +02001875 * Reason: filter-* property "netdev" etc.
Thomas Huth9d3e12e2015-10-13 12:40:01 +02001876 */
1877 if (g_str_equal(type, "filter-buffer") ||
Zhang Chenf6d3afb2016-03-15 15:41:33 +08001878 g_str_equal(type, "filter-dump") ||
Zhang Chend46f75b2016-03-17 16:16:26 +08001879 g_str_equal(type, "filter-mirror") ||
Zhang Chen7dce4e62016-09-27 10:22:26 +08001880 g_str_equal(type, "filter-redirector") ||
Zhang Chene6eee8a2016-09-27 10:22:32 +08001881 g_str_equal(type, "colo-compare") ||
Pavel Dovgalyuk646c5472016-09-26 11:08:21 +03001882 g_str_equal(type, "filter-rewriter") ||
1883 g_str_equal(type, "filter-replay")) {
Yang Hongyang7dbb11c2015-10-07 11:52:21 +08001884 return false;
1885 }
1886
Claudio Fontanab86f59c2021-02-04 17:39:25 +01001887 /*
1888 * Allocation of large amounts of memory may delay
Eduardo Habkost6546d0d2016-09-02 15:59:44 -03001889 * chardev initialization for too long, and trigger timeouts
1890 * on software that waits for a monitor socket to be created
1891 * (e.g. libvirt).
1892 */
1893 if (g_str_has_prefix(type, "memory-backend-")) {
1894 return false;
1895 }
1896
Daniel P. Berrangef08f9272015-05-13 17:14:04 +01001897 return true;
1898}
1899
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001900static void qemu_apply_machine_options(QDict *qdict)
Paolo Bonzini7a842682020-10-27 11:08:04 -04001901{
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001902 object_set_properties_from_keyval(OBJECT(current_machine), qdict, false, &error_fatal);
Paolo Bonzini7a842682020-10-27 11:08:04 -04001903
Peter Maydell52028612022-08-22 15:12:24 +01001904 if (semihosting_enabled(false) && !semihosting_get_argc()) {
Paolo Bonzini7a842682020-10-27 11:08:04 -04001905 /* fall back to the -kernel/-append */
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001906 semihosting_arg_fallback(current_machine->kernel_filename, current_machine->kernel_cmdline);
Paolo Bonzini7a842682020-10-27 11:08:04 -04001907 }
Paolo Bonzinife680902021-05-13 09:03:48 -04001908
1909 if (current_machine->smp.cpus > 1) {
Markus Armbruster0ec83842023-02-07 08:51:12 +01001910 replay_add_blocker("smp");
Paolo Bonzinife680902021-05-13 09:03:48 -04001911 }
Paolo Bonzini7a842682020-10-27 11:08:04 -04001912}
1913
Paolo Bonzini64418652020-10-21 10:41:18 -04001914static void qemu_create_early_backends(void)
1915{
1916 MachineClass *machine_class = MACHINE_GET_CLASS(current_machine);
Thomas Huth66c22072021-06-15 11:04:39 +02001917#if defined(CONFIG_SDL)
1918 const bool use_sdl = (dpy.type == DISPLAY_TYPE_SDL);
1919#else
1920 const bool use_sdl = false;
1921#endif
1922#if defined(CONFIG_GTK)
1923 const bool use_gtk = (dpy.type == DISPLAY_TYPE_GTK);
1924#else
1925 const bool use_gtk = false;
1926#endif
Paolo Bonzini64418652020-10-21 10:41:18 -04001927
Thomas Huth66c22072021-06-15 11:04:39 +02001928 if (dpy.has_window_close && !use_gtk && !use_sdl) {
Thomas Huthfe86fe22021-12-15 09:24:17 +01001929 error_report("window-close is only valid for GTK and SDL, "
Paolo Bonzini64418652020-10-21 10:41:18 -04001930 "ignoring option");
1931 }
1932
1933 qemu_display_early_init(&dpy);
1934 qemu_console_early_init();
1935
1936 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
1937#if defined(CONFIG_OPENGL)
1938 error_report("OpenGL is not supported by the display");
1939#else
1940 error_report("OpenGL support is disabled");
1941#endif
1942 exit(1);
1943 }
1944
Paolo Bonzinibc2f4fc2021-03-12 12:35:46 -05001945 object_option_foreach_add(object_create_early);
Paolo Bonzini64418652020-10-21 10:41:18 -04001946
1947 /* spice needs the timers to be initialized by this point */
Marc-André Lureau3d76c3b2021-11-15 12:00:27 +04001948 /* spice must initialize before audio as it changes the default audiodev */
Paolo Bonzini64418652020-10-21 10:41:18 -04001949 /* spice must initialize before chardevs (for spicevmc and spiceport) */
1950 qemu_spice.init();
1951
1952 qemu_opts_foreach(qemu_find_opts("chardev"),
1953 chardev_init_func, NULL, &error_fatal);
1954
1955#ifdef CONFIG_VIRTFS
1956 qemu_opts_foreach(qemu_find_opts("fsdev"),
1957 fsdev_init_func, NULL, &error_fatal);
1958#endif
1959
1960 /*
1961 * Note: we need to create audio and block backends before
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04001962 * setting machine properties, so they can be referred to.
Paolo Bonzini64418652020-10-21 10:41:18 -04001963 */
1964 configure_blockdev(&bdo_queue, machine_class, snapshot);
Marc-André Lureau0f957c52022-08-22 17:10:21 +04001965 if (!audio_init_audiodevs()) {
1966 exit(1);
1967 }
Paolo Bonzini64418652020-10-21 10:41:18 -04001968}
1969
Daniel P. Berrangef08f9272015-05-13 17:14:04 +01001970
1971/*
1972 * The remainder of object creation happens after the
Yang Hongyang9abce562015-10-07 11:52:13 +08001973 * creation of chardev, fsdev, net clients and device data types.
Daniel P. Berrangef08f9272015-05-13 17:14:04 +01001974 */
Paolo Bonzinibc2f4fc2021-03-12 12:35:46 -05001975static bool object_create_late(const char *type)
Daniel P. Berrangef08f9272015-05-13 17:14:04 +01001976{
David Hildenbrandbd77c302022-10-14 15:47:20 +02001977 return !object_create_early(type) && !object_create_pre_sandbox(type);
Daniel P. Berrangef08f9272015-05-13 17:14:04 +01001978}
1979
Paolo Bonzini07a91b12020-10-27 09:36:52 -04001980static void qemu_create_late_backends(void)
1981{
1982 if (qtest_chrdev) {
1983 qtest_server_init(qtest_chrdev, qtest_log, &error_fatal);
1984 }
1985
Laurent Vivierd63ef172022-10-21 11:09:07 +02001986 net_init_clients();
Paolo Bonzini07a91b12020-10-27 09:36:52 -04001987
Paolo Bonzinibc2f4fc2021-03-12 12:35:46 -05001988 object_option_foreach_add(object_create_late);
Paolo Bonzini07a91b12020-10-27 09:36:52 -04001989
1990 if (tpm_init() < 0) {
1991 exit(1);
1992 }
1993
1994 qemu_opts_foreach(qemu_find_opts("mon"),
1995 mon_init_func, NULL, &error_fatal);
1996
1997 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
1998 exit(1);
1999 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
2000 exit(1);
2001 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
2002 exit(1);
2003
2004 /* now chardevs have been created we may have semihosting to connect */
Richard Hendersonfb087902022-05-01 16:59:06 -07002005 qemu_semihosting_chardev_init();
Paolo Bonzini07a91b12020-10-27 09:36:52 -04002006}
Daniel P. Berrangef08f9272015-05-13 17:14:04 +01002007
Paolo Bonzinib24986e2020-10-27 11:16:18 -04002008static void qemu_resolve_machine_memdev(void)
2009{
Paolo Bonzini26f88d82022-04-14 12:52:59 -04002010 if (ram_memdev_id) {
Paolo Bonzinib24986e2020-10-27 11:16:18 -04002011 Object *backend;
2012 ram_addr_t backend_size;
2013
Paolo Bonzini26f88d82022-04-14 12:52:59 -04002014 backend = object_resolve_path_type(ram_memdev_id,
Paolo Bonzinib24986e2020-10-27 11:16:18 -04002015 TYPE_MEMORY_BACKEND, NULL);
2016 if (!backend) {
Paolo Bonzini26f88d82022-04-14 12:52:59 -04002017 error_report("Memory backend '%s' not found", ram_memdev_id);
Paolo Bonzinib24986e2020-10-27 11:16:18 -04002018 exit(EXIT_FAILURE);
2019 }
Paolo Bonzinifb56b7a2022-04-14 12:53:00 -04002020 if (!have_custom_ram_size) {
2021 backend_size = object_property_get_uint(backend, "size", &error_abort);
2022 current_machine->ram_size = backend_size;
Paolo Bonzinib24986e2020-10-27 11:16:18 -04002023 }
Paolo Bonzini26f88d82022-04-14 12:52:59 -04002024 object_property_set_link(OBJECT(current_machine),
2025 "memory-backend", backend, &error_fatal);
Paolo Bonzinib24986e2020-10-27 11:16:18 -04002026 }
Paolo Bonzinib24986e2020-10-27 11:16:18 -04002027}
2028
Paolo Bonzinie12f0682022-08-05 12:01:51 +02002029static void parse_memory_options(void)
Marcel Apfelbaum3b9985e2015-01-11 12:38:43 +02002030{
Paolo Bonzinie12f0682022-08-05 12:01:51 +02002031 QemuOpts *opts = qemu_find_opts_singleton("memory");
Paolo Bonzinice9d03f2022-04-14 12:52:58 -04002032 QDict *dict, *prop;
Marcel Apfelbaum3b9985e2015-01-11 12:38:43 +02002033 const char *mem_str;
Paolo Bonzinie12f0682022-08-05 12:01:51 +02002034 Location loc;
Eduardo Habkostbbe2d252016-02-12 17:02:27 -02002035
Paolo Bonzinie12f0682022-08-05 12:01:51 +02002036 loc_push_none(&loc);
2037 qemu_opts_loc_restore(opts);
Marcel Apfelbaum3b9985e2015-01-11 12:38:43 +02002038
Paolo Bonzinice9d03f2022-04-14 12:52:58 -04002039 prop = qdict_new();
2040
2041 if (qemu_opt_get_size(opts, "size", 0) != 0) {
Marcel Apfelbaum3b9985e2015-01-11 12:38:43 +02002042 /* Fix up legacy suffix-less format */
Paolo Bonzini69c05a22022-08-05 19:15:39 +02002043 mem_str = qemu_opt_get(opts, "size");
Marcel Apfelbaum3b9985e2015-01-11 12:38:43 +02002044 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
Paolo Bonzinice9d03f2022-04-14 12:52:58 -04002045 g_autofree char *mib_str = g_strdup_printf("%sM", mem_str);
2046 qdict_put_str(prop, "size", mib_str);
2047 } else {
2048 qdict_put_str(prop, "size", mem_str);
Marcel Apfelbaum3b9985e2015-01-11 12:38:43 +02002049 }
2050 }
2051
David Hildenbrand951f2262018-04-23 18:51:26 +02002052 if (qemu_opt_get(opts, "maxmem")) {
Paolo Bonzinice9d03f2022-04-14 12:52:58 -04002053 qdict_put_str(prop, "max-size", qemu_opt_get(opts, "maxmem"));
2054 }
2055 if (qemu_opt_get(opts, "slots")) {
2056 qdict_put_str(prop, "slots", qemu_opt_get(opts, "slots"));
Marcel Apfelbaum3b9985e2015-01-11 12:38:43 +02002057 }
Eduardo Habkostbbe2d252016-02-12 17:02:27 -02002058
Paolo Bonzinice9d03f2022-04-14 12:52:58 -04002059 dict = qdict_new();
2060 qdict_put(dict, "memory", prop);
2061 keyval_merge(machine_opts_dict, dict, &error_fatal);
2062 qobject_unref(dict);
Paolo Bonzinie12f0682022-08-05 12:01:51 +02002063 loc_pop(&loc);
Paolo Bonzinif5c9fcb2020-10-27 11:04:37 -04002064}
2065
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04002066static void qemu_create_machine(QDict *qdict)
Paolo Bonzinif5c9fcb2020-10-27 11:04:37 -04002067{
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04002068 MachineClass *machine_class = select_machine(qdict, &error_fatal);
Paolo Bonzinif5c9fcb2020-10-27 11:04:37 -04002069 object_set_machine_compat_props(machine_class->compat_props);
2070
Paolo Bonzinif5c9fcb2020-10-27 11:04:37 -04002071 current_machine = MACHINE(object_new_with_class(OBJECT_CLASS(machine_class)));
Paolo Bonzinif5c9fcb2020-10-27 11:04:37 -04002072 object_property_add_child(object_get_root(), "machine",
2073 OBJECT(current_machine));
2074 object_property_add_child(container_get(OBJECT(current_machine),
2075 "/unattached"),
2076 "sysbus", OBJECT(sysbus_get_default()));
2077
2078 if (machine_class->minimum_page_bits) {
2079 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
2080 /* This would be a board error: specifying a minimum smaller than
2081 * a target's compile-time fixed setting.
2082 */
2083 g_assert_not_reached();
2084 }
2085 }
2086
2087 cpu_exec_init_all();
2088 page_size_init();
2089
2090 if (machine_class->hw_version) {
2091 qemu_set_hw_version(machine_class->hw_version);
2092 }
2093
Paolo Bonzinif5c9fcb2020-10-27 11:04:37 -04002094 /*
2095 * Get the default machine options from the machine if it is not already
2096 * specified either by the configuration file or by the command line.
2097 */
2098 if (machine_class->default_machine_opts) {
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04002099 QDict *default_opts =
2100 keyval_parse(machine_class->default_machine_opts, NULL, NULL,
2101 &error_abort);
Jason Andryukdadafe62021-07-12 22:15:52 -04002102 qemu_apply_legacy_machine_options(default_opts);
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04002103 object_set_properties_from_keyval(OBJECT(current_machine), default_opts,
2104 false, &error_abort);
2105 qobject_unref(default_opts);
Paolo Bonzinif5c9fcb2020-10-27 11:04:37 -04002106 }
Marcel Apfelbaum3b9985e2015-01-11 12:38:43 +02002107}
2108
Eduardo Habkost8d76bfe2016-06-15 15:54:52 -03002109static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2110{
2111 GlobalProperty *g;
2112
2113 g = g_malloc0(sizeof(*g));
2114 g->driver = qemu_opt_get(opts, "driver");
2115 g->property = qemu_opt_get(opts, "property");
2116 g->value = qemu_opt_get(opts, "value");
Eduardo Habkost8d76bfe2016-06-15 15:54:52 -03002117 qdev_prop_register_global(g);
2118 return 0;
2119}
2120
Paolo Bonzinic0d4aa82021-05-24 06:57:51 -04002121/*
2122 * Return whether configuration group @group is stored in QemuOpts, or
2123 * recorded as one or more QDicts by qemu_record_config_group.
2124 */
2125static bool is_qemuopts_group(const char *group)
2126{
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04002127 if (g_str_equal(group, "object") ||
Paolo Bonziniadf7f6b2023-09-21 14:04:39 +02002128 g_str_equal(group, "audiodev") ||
Paolo Bonzinie4383ca2021-07-29 16:03:43 +02002129 g_str_equal(group, "machine") ||
Paolo Bonzini8c4da4b2022-04-14 12:52:57 -04002130 g_str_equal(group, "smp-opts") ||
Paolo Bonzinie12f0682022-08-05 12:01:51 +02002131 g_str_equal(group, "boot-opts")) {
Paolo Bonzini49e98762021-05-24 06:57:52 -04002132 return false;
2133 }
Paolo Bonzinic0d4aa82021-05-24 06:57:51 -04002134 return true;
2135}
2136
2137static void qemu_record_config_group(const char *group, QDict *dict,
2138 bool from_json, Error **errp)
2139{
Paolo Bonzini49e98762021-05-24 06:57:52 -04002140 if (g_str_equal(group, "object")) {
2141 Visitor *v = qobject_input_visitor_new_keyval(QOBJECT(dict));
2142 object_option_add_visitor(v);
2143 visit_free(v);
Paolo Bonziniadf7f6b2023-09-21 14:04:39 +02002144
2145 } else if (g_str_equal(group, "audiodev")) {
2146 Audiodev *dev = NULL;
2147 Visitor *v = qobject_input_visitor_new_keyval(QOBJECT(dict));
2148 if (visit_type_Audiodev(v, NULL, &dev, errp)) {
2149 audio_define(dev);
2150 }
2151 visit_free(v);
2152
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04002153 } else if (g_str_equal(group, "machine")) {
2154 /*
2155 * Cannot merge string-valued and type-safe dictionaries, so JSON
2156 * is not accepted yet for -M.
2157 */
2158 assert(!from_json);
2159 keyval_merge(machine_opts_dict, dict, errp);
Paolo Bonzinie4383ca2021-07-29 16:03:43 +02002160 } else if (g_str_equal(group, "smp-opts")) {
2161 machine_merge_property("smp", dict, &error_fatal);
Paolo Bonzini8c4da4b2022-04-14 12:52:57 -04002162 } else if (g_str_equal(group, "boot-opts")) {
2163 machine_merge_property("boot", dict, &error_fatal);
Paolo Bonzini49e98762021-05-24 06:57:52 -04002164 } else {
2165 abort();
2166 }
Paolo Bonzinic0d4aa82021-05-24 06:57:51 -04002167}
2168
2169/*
2170 * Parse non-QemuOpts config file groups, pass the rest to
2171 * qemu_config_do_parse.
2172 */
2173static void qemu_parse_config_group(const char *group, QDict *qdict,
2174 void *opaque, Error **errp)
2175{
2176 QObject *crumpled;
2177 if (is_qemuopts_group(group)) {
2178 qemu_config_do_parse(group, qdict, opaque, errp);
2179 return;
2180 }
2181
2182 crumpled = qdict_crumple(qdict, errp);
2183 if (!crumpled) {
2184 return;
2185 }
Paolo Bonzini838e3702021-07-05 19:17:38 +02002186 switch (qobject_type(crumpled)) {
2187 case QTYPE_QDICT:
2188 qemu_record_config_group(group, qobject_to(QDict, crumpled), false, errp);
2189 break;
2190 case QTYPE_QLIST:
Paolo Bonzinic0d4aa82021-05-24 06:57:51 -04002191 error_setg(errp, "Lists cannot be at top level of a configuration section");
Paolo Bonzini838e3702021-07-05 19:17:38 +02002192 break;
2193 default:
2194 g_assert_not_reached();
Paolo Bonzinic0d4aa82021-05-24 06:57:51 -04002195 }
Paolo Bonzini838e3702021-07-05 19:17:38 +02002196 qobject_unref(crumpled);
Paolo Bonzinic0d4aa82021-05-24 06:57:51 -04002197}
2198
Paolo Bonzinif7544ed2021-02-26 12:08:16 -05002199static void qemu_read_default_config_file(Error **errp)
Eduardo Habkost726401b2017-01-17 16:00:51 -02002200{
Paolo Bonzinif7544ed2021-02-26 12:08:16 -05002201 ERRP_GUARD();
Eduardo Habkost726401b2017-01-17 16:00:51 -02002202 int ret;
Paolo Bonzini580e6ad2020-08-18 11:59:50 +02002203 g_autofree char *file = get_relocated_path(CONFIG_QEMU_CONFDIR "/qemu.conf");
Eduardo Habkost726401b2017-01-17 16:00:51 -02002204
Paolo Bonzinic0d4aa82021-05-24 06:57:51 -04002205 ret = qemu_read_config_file(file, qemu_parse_config_group, errp);
Paolo Bonzinif7544ed2021-02-26 12:08:16 -05002206 if (ret < 0) {
2207 if (ret == -ENOENT) {
2208 error_free(*errp);
2209 *errp = NULL;
2210 }
Eduardo Habkost726401b2017-01-17 16:00:51 -02002211 }
Eduardo Habkost726401b2017-01-17 16:00:51 -02002212}
2213
Paolo Bonzinic0d4aa82021-05-24 06:57:51 -04002214static void qemu_set_option(const char *str, Error **errp)
Paolo Bonzinied7fa562020-11-12 08:16:22 -05002215{
Paolo Bonzinied7fa562020-11-12 08:16:22 -05002216 char group[64], id[64], arg[64];
2217 QemuOptsList *list;
2218 QemuOpts *opts;
2219 int rc, offset;
2220
2221 rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
2222 if (rc < 3 || str[offset] != '=') {
Paolo Bonzinic0d4aa82021-05-24 06:57:51 -04002223 error_setg(errp, "can't parse: \"%s\"", str);
2224 return;
Paolo Bonzinied7fa562020-11-12 08:16:22 -05002225 }
2226
Paolo Bonzinic0d4aa82021-05-24 06:57:51 -04002227 if (!is_qemuopts_group(group)) {
2228 error_setg(errp, "-set is not supported with %s", group);
2229 } else {
2230 list = qemu_find_opts_err(group, errp);
2231 if (list) {
2232 opts = qemu_opts_find(list, id);
2233 if (!opts) {
2234 error_setg(errp, "there is no %s \"%s\" defined", group, id);
2235 return;
2236 }
2237 qemu_opt_set(opts, arg, str + offset + 1, errp);
2238 }
Paolo Bonzinied7fa562020-11-12 08:16:22 -05002239 }
Paolo Bonzinied7fa562020-11-12 08:16:22 -05002240}
2241
Peter Xua0660e02017-06-27 12:10:12 +08002242static void user_register_global_props(void)
2243{
2244 qemu_opts_foreach(qemu_find_opts("global"),
2245 global_init_func, NULL, NULL);
2246}
2247
Paolo Bonzini7f8b6122019-11-13 12:37:00 +01002248static int do_configure_icount(void *opaque, QemuOpts *opts, Error **errp)
2249{
Claudio Fontana8191d362020-08-31 16:18:34 +02002250 icount_configure(opts, errp);
Paolo Bonzini7f8b6122019-11-13 12:37:00 +01002251 return 0;
2252}
2253
Paolo Bonzini12ceaef2019-11-13 10:36:01 +01002254static int accelerator_set_property(void *opaque,
2255 const char *name, const char *value,
2256 Error **errp)
2257{
2258 return object_parse_property_opt(opaque, name, value, "accel", errp);
2259}
2260
Paolo Bonzinideda73e2019-11-14 11:10:43 +01002261static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp)
2262{
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002263 bool *p_init_failed = opaque;
2264 const char *acc = qemu_opt_get(opts, "accel");
2265 AccelClass *ac = accel_find(acc);
Paolo Bonzinifc5cf822019-11-13 14:03:46 +01002266 AccelState *accel;
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002267 int ret;
Thomas Hutheaf65112020-07-10 10:50:20 +02002268 bool qtest_with_kvm;
2269
Paolo Bonzini78901b52023-01-13 11:35:40 +01002270 if (!acc) {
2271 error_setg(errp, QERR_MISSING_PARAMETER, "accel");
2272 goto bad;
2273 }
2274
Thomas Hutheaf65112020-07-10 10:50:20 +02002275 qtest_with_kvm = g_str_equal(acc, "kvm") && qtest_chrdev != NULL;
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002276
2277 if (!ac) {
Thomas Hutheaf65112020-07-10 10:50:20 +02002278 if (!qtest_with_kvm) {
2279 error_report("invalid accelerator %s", acc);
2280 }
Paolo Bonzini78901b52023-01-13 11:35:40 +01002281 goto bad;
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002282 }
Paolo Bonzinifc5cf822019-11-13 14:03:46 +01002283 accel = ACCEL(object_new_with_class(OBJECT_CLASS(ac)));
Paolo Bonzinife174132019-11-13 15:16:44 +01002284 object_apply_compat_props(OBJECT(accel));
Paolo Bonzini12ceaef2019-11-13 10:36:01 +01002285 qemu_opt_foreach(opts, accelerator_set_property,
2286 accel,
2287 &error_fatal);
Peter Maydell3cfb0452023-04-17 17:40:32 +01002288 /*
2289 * If legacy -singlestep option is set, honour it for TCG and
2290 * silently ignore for any other accelerator (which is how this
2291 * option has always behaved).
2292 */
2293 if (opt_one_insn_per_tb) {
2294 /*
2295 * This will always succeed for TCG, and we want to ignore
2296 * the error from trying to set a nonexistent property
2297 * on any other accelerator.
2298 */
2299 object_property_set_bool(OBJECT(accel), "one-insn-per-tb", true, NULL);
2300 }
Paolo Bonzinifc5cf822019-11-13 14:03:46 +01002301 ret = accel_init_machine(accel, current_machine);
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002302 if (ret < 0) {
Thomas Hutheaf65112020-07-10 10:50:20 +02002303 if (!qtest_with_kvm || ret != -ENOENT) {
2304 error_report("failed to initialize %s: %s", acc, strerror(-ret));
2305 }
Paolo Bonzini78901b52023-01-13 11:35:40 +01002306 goto bad;
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002307 }
Paolo Bonzinife174132019-11-13 15:16:44 +01002308
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002309 return 1;
Paolo Bonzini78901b52023-01-13 11:35:40 +01002310
2311bad:
2312 *p_init_failed = true;
2313 return 0;
Paolo Bonzinideda73e2019-11-14 11:10:43 +01002314}
2315
Paolo Bonzini28a09612019-11-13 09:59:04 +01002316static void configure_accelerators(const char *progname)
Paolo Bonzinideda73e2019-11-14 11:10:43 +01002317{
Paolo Bonzini28a09612019-11-13 09:59:04 +01002318 bool init_failed = false;
Paolo Bonzini28a09612019-11-13 09:59:04 +01002319
2320 qemu_opts_foreach(qemu_find_opts("icount"),
2321 do_configure_icount, NULL, &error_fatal);
2322
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002323 if (QTAILQ_EMPTY(&qemu_accel_opts.head)) {
Richard Henderson60ee3552020-01-09 12:14:32 +11002324 char **accel_list, **tmp;
2325
Paolo Bonzini7245ca72020-11-02 10:46:52 -05002326 if (accelerators == NULL) {
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002327 /* Select the default accelerator */
Richard Henderson755ee1f2020-01-09 12:07:30 +11002328 bool have_tcg = accel_find("tcg");
2329 bool have_kvm = accel_find("kvm");
2330
2331 if (have_tcg && have_kvm) {
2332 if (g_str_has_suffix(progname, "kvm")) {
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002333 /* If the program name ends with "kvm", we prefer KVM */
Paolo Bonzini7245ca72020-11-02 10:46:52 -05002334 accelerators = "kvm:tcg";
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002335 } else {
Paolo Bonzini7245ca72020-11-02 10:46:52 -05002336 accelerators = "tcg:kvm";
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002337 }
Richard Henderson755ee1f2020-01-09 12:07:30 +11002338 } else if (have_kvm) {
Paolo Bonzini7245ca72020-11-02 10:46:52 -05002339 accelerators = "kvm";
Richard Henderson755ee1f2020-01-09 12:07:30 +11002340 } else if (have_tcg) {
Paolo Bonzini7245ca72020-11-02 10:46:52 -05002341 accelerators = "tcg";
Richard Henderson755ee1f2020-01-09 12:07:30 +11002342 } else {
2343 error_report("No accelerator selected and"
2344 " no default accelerator available");
2345 exit(1);
Paolo Bonzini28a09612019-11-13 09:59:04 +01002346 }
2347 }
Paolo Bonzini7245ca72020-11-02 10:46:52 -05002348 accel_list = g_strsplit(accelerators, ":", 0);
Paolo Bonzini28a09612019-11-13 09:59:04 +01002349
Richard Hendersona024b092020-01-09 13:10:07 +11002350 for (tmp = accel_list; *tmp; tmp++) {
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002351 /*
2352 * Filter invalid accelerators here, to prevent obscenities
2353 * such as "-machine accel=tcg,,thread=single".
2354 */
2355 if (accel_find(*tmp)) {
2356 qemu_opts_parse_noisily(qemu_find_opts("accel"), *tmp, true);
Paolo Bonzini8b90f1c2019-11-13 12:08:38 +01002357 } else {
2358 init_failed = true;
2359 error_report("invalid accelerator %s", *tmp);
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002360 }
Paolo Bonzini28a09612019-11-13 09:59:04 +01002361 }
Chen Qunadb464f2020-01-08 19:42:07 +08002362 g_strfreev(accel_list);
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002363 } else {
Paolo Bonzini7245ca72020-11-02 10:46:52 -05002364 if (accelerators != NULL) {
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002365 error_report("The -accel and \"-machine accel=\" options are incompatible");
2366 exit(1);
Paolo Bonzini28a09612019-11-13 09:59:04 +01002367 }
2368 }
Paolo Bonzini28a09612019-11-13 09:59:04 +01002369
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002370 if (!qemu_opts_foreach(qemu_find_opts("accel"),
2371 do_configure_accelerator, &init_failed, &error_fatal)) {
Paolo Bonzini28a09612019-11-13 09:59:04 +01002372 if (!init_failed) {
Paolo Bonzini6f6e1692019-11-13 10:10:47 +01002373 error_report("no accelerator found");
Paolo Bonzini28a09612019-11-13 09:59:04 +01002374 }
2375 exit(1);
2376 }
2377
Thomas Hutheaf65112020-07-10 10:50:20 +02002378 if (init_failed && !qtest_chrdev) {
Alexander Graf55bd4452022-06-24 15:42:56 +01002379 error_report("falling back to %s", current_accel_name());
Paolo Bonzini28a09612019-11-13 09:59:04 +01002380 }
2381
Claudio Fontana740b1752020-08-19 13:17:19 +02002382 if (icount_enabled() && !tcg_enabled()) {
Paolo Bonzinideda73e2019-11-14 11:10:43 +01002383 error_report("-icount is not allowed with hardware virtualization");
2384 exit(1);
2385 }
2386}
2387
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04002388static void qemu_validate_options(const QDict *machine_opts)
Paolo Bonzini58c91592020-11-03 03:45:26 -05002389{
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04002390 const char *kernel_filename = qdict_get_try_str(machine_opts, "kernel");
2391 const char *initrd_filename = qdict_get_try_str(machine_opts, "initrd");
2392 const char *kernel_cmdline = qdict_get_try_str(machine_opts, "append");
Paolo Bonzini58c91592020-11-03 03:45:26 -05002393
2394 if (kernel_filename == NULL) {
2395 if (kernel_cmdline != NULL) {
2396 error_report("-append only allowed with -kernel option");
2397 exit(1);
2398 }
2399
2400 if (initrd_filename != NULL) {
2401 error_report("-initrd only allowed with -kernel option");
2402 exit(1);
2403 }
2404 }
2405
Paolo Bonzini7691bde2020-10-27 04:07:30 -04002406 if (loadvm && preconfig_requested) {
Paolo Bonzini90285ec2020-10-21 10:19:08 -04002407 error_report("'preconfig' and 'loadvm' options are "
2408 "mutually exclusive");
2409 exit(EXIT_FAILURE);
2410 }
Paolo Bonzini8fafaa02020-10-27 09:15:53 -04002411 if (incoming && preconfig_requested && strcmp(incoming, "defer") != 0) {
2412 error_report("'preconfig' supports '-incoming defer' only");
Paolo Bonzini58c91592020-11-03 03:45:26 -05002413 exit(EXIT_FAILURE);
2414 }
2415
2416#ifdef CONFIG_CURSES
2417 if (is_daemonized() && dpy.type == DISPLAY_TYPE_CURSES) {
2418 error_report("curses display cannot be used with -daemonize");
2419 exit(1);
2420 }
2421#endif
2422}
2423
Paolo Bonzini4d2c17b2020-10-21 10:21:22 -04002424static void qemu_process_sugar_options(void)
2425{
2426 if (mem_prealloc) {
Paolo Bonzinie4383ca2021-07-29 16:03:43 +02002427 QObject *smp = qdict_get(machine_opts_dict, "smp");
2428 if (smp && qobject_type(smp) == QTYPE_QDICT) {
2429 QObject *cpus = qdict_get(qobject_to(QDict, smp), "cpus");
2430 if (cpus && qobject_type(cpus) == QTYPE_QSTRING) {
2431 const char *val = qstring_get_str(qobject_to(QString, cpus));
2432 object_register_sugar_prop("memory-backend", "prealloc-threads",
2433 val, false);
2434 }
2435 }
Greg Kurza8dc82c2020-08-14 09:24:50 +02002436 object_register_sugar_prop("memory-backend", "prealloc", "on", false);
Paolo Bonzini4d2c17b2020-10-21 10:21:22 -04002437 }
Paolo Bonzini4d2c17b2020-10-21 10:21:22 -04002438}
2439
Alejandro Jimenez2a5ad602020-12-11 11:52:41 -05002440/* -action processing */
2441
2442/*
2443 * Process all the -action parameters parsed from cmdline.
2444 */
2445static int process_runstate_actions(void *opaque, QemuOpts *opts, Error **errp)
2446{
2447 Error *local_err = NULL;
2448 QDict *qdict = qemu_opts_to_qdict(opts, NULL);
2449 QObject *ret = NULL;
2450 qmp_marshal_set_action(qdict, &ret, &local_err);
2451 qobject_unref(ret);
2452 qobject_unref(qdict);
2453 if (local_err) {
2454 error_propagate(errp, local_err);
2455 return 1;
2456 }
2457 return 0;
2458}
2459
Paolo Bonzini0546c062020-10-21 05:17:39 -04002460static void qemu_process_early_options(void)
2461{
David Hildenbrandbd77c302022-10-14 15:47:20 +02002462 qemu_opts_foreach(qemu_find_opts("name"),
2463 parse_name, NULL, &error_fatal);
2464
2465 object_option_foreach_add(object_create_pre_sandbox);
2466
Paolo Bonzini0546c062020-10-21 05:17:39 -04002467#ifdef CONFIG_SECCOMP
2468 QemuOptsList *olist = qemu_find_opts_err("sandbox", NULL);
2469 if (olist) {
2470 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
2471 }
2472#endif
2473
Alejandro Jimenez2a5ad602020-12-11 11:52:41 -05002474 if (qemu_opts_foreach(qemu_find_opts("action"),
2475 process_runstate_actions, NULL, &error_fatal)) {
2476 exit(1);
2477 }
2478
Paolo Bonzini0546c062020-10-21 05:17:39 -04002479#ifndef _WIN32
2480 qemu_opts_foreach(qemu_find_opts("add-fd"),
2481 parse_add_fd, NULL, &error_fatal);
2482
2483 qemu_opts_foreach(qemu_find_opts("add-fd"),
2484 cleanup_add_fd, NULL, &error_fatal);
2485#endif
2486
Paolo Bonzini0546c062020-10-21 05:17:39 -04002487 /* Open the logfile at this point and set the log mask if necessary. */
Richard Hendersonb2528af2022-04-17 11:30:10 -07002488 {
2489 int mask = 0;
2490 if (log_mask) {
2491 mask = qemu_str_to_log_mask(log_mask);
2492 if (!mask) {
2493 qemu_print_log_usage(stdout);
2494 exit(1);
2495 }
Paolo Bonzini0546c062020-10-21 05:17:39 -04002496 }
Richard Hendersonb2528af2022-04-17 11:30:10 -07002497 qemu_set_log_filename_flags(log_file, mask, &error_fatal);
Paolo Bonzini0546c062020-10-21 05:17:39 -04002498 }
2499
Paolo Bonzini2c65db52020-10-28 07:36:57 -04002500 qemu_add_default_firmwarepath();
Paolo Bonzini0546c062020-10-21 05:17:39 -04002501}
2502
2503static void qemu_process_help_options(void)
2504{
Paolo Bonzini0546c062020-10-21 05:17:39 -04002505 /*
2506 * Check for -cpu help and -device help before we call select_machine(),
2507 * which will return an error if the architecture has no default machine
2508 * type and the user did not specify one, so that the user doesn't need
2509 * to say '-cpu help -machine something'.
2510 */
2511 if (cpu_option && is_help_option(cpu_option)) {
Thomas Huthc138c3b2023-04-19 14:48:31 +02002512 list_cpus();
Paolo Bonzini0546c062020-10-21 05:17:39 -04002513 exit(0);
2514 }
2515
2516 if (qemu_opts_foreach(qemu_find_opts("device"),
2517 device_help_func, NULL, NULL)) {
2518 exit(0);
2519 }
2520
2521 /* -L help lists the data directories and exits. */
2522 if (list_data_dirs) {
Paolo Bonzini2c65db52020-10-28 07:36:57 -04002523 qemu_list_data_dirs();
Paolo Bonzini0546c062020-10-21 05:17:39 -04002524 exit(0);
2525 }
2526}
2527
2528static void qemu_maybe_daemonize(const char *pid_file)
2529{
Zhenzhong Duan38f71342021-06-10 16:47:41 +08002530 Error *err = NULL;
Paolo Bonzini0546c062020-10-21 05:17:39 -04002531
2532 os_daemonize();
2533 rcu_disable_atfork();
2534
Hanna Reitzeed29d42022-06-09 14:27:00 +02002535 if (pid_file) {
Hanna Reitz85c4bf82022-06-09 14:27:01 +02002536 char *pid_file_realpath = NULL;
2537
Hanna Reitzeed29d42022-06-09 14:27:00 +02002538 if (!qemu_write_pidfile(pid_file, &err)) {
2539 error_reportf_err(err, "cannot create PID file: ");
2540 exit(1);
2541 }
Paolo Bonzini0546c062020-10-21 05:17:39 -04002542
Hanna Reitz85c4bf82022-06-09 14:27:01 +02002543 pid_file_realpath = g_malloc0(PATH_MAX);
2544 if (!realpath(pid_file, pid_file_realpath)) {
Fiona Ebnerdee2a4d2022-10-31 10:47:16 +01002545 if (errno != ENOENT) {
2546 warn_report("not removing PID file on exit: cannot resolve PID "
2547 "file path: %s: %s", pid_file, strerror(errno));
2548 }
2549 return;
Hanna Reitz85c4bf82022-06-09 14:27:01 +02002550 }
2551
2552 qemu_unlink_pidfile_notifier = (struct UnlinkPidfileNotifier) {
2553 .notifier = {
2554 .notify = qemu_unlink_pidfile,
2555 },
2556 .pid_file_realpath = pid_file_realpath,
2557 };
2558 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier.notifier);
Hanna Reitzeed29d42022-06-09 14:27:00 +02002559 }
Paolo Bonzini0546c062020-10-21 05:17:39 -04002560}
2561
Paolo Bonzini7691bde2020-10-27 04:07:30 -04002562static void qemu_init_displays(void)
2563{
2564 DisplayState *ds;
2565
2566 /* init local displays */
2567 ds = init_displaystate();
2568 qemu_display_init(ds, &dpy);
2569
2570 /* must be after terminal init, SDL library changes signal handlers */
2571 os_setup_signal_handling();
2572
2573 /* init remote displays */
2574#ifdef CONFIG_VNC
2575 qemu_opts_foreach(qemu_find_opts("vnc"),
2576 vnc_init_func, NULL, &error_fatal);
2577#endif
2578
2579 if (using_spice) {
2580 qemu_spice.display_init();
2581 }
2582}
2583
Paolo Bonzinid8e4de42020-10-23 08:04:29 -04002584static void qemu_init_board(void)
2585{
Paolo Bonzini8a745972020-10-21 10:25:06 -04002586 /* process plugin before CPUs are created, but once -smp has been parsed */
Paolo Bonzini0572f552020-10-27 04:58:26 -04002587 qemu_plugin_load_list(&plugin_list, &error_fatal);
Paolo Bonzini8a745972020-10-21 10:25:06 -04002588
Paolo Bonzini2f181fb2020-11-12 09:38:36 -05002589 /* From here on we enter MACHINE_PHASE_INITIALIZED. */
Paolo Bonzini26f88d82022-04-14 12:52:59 -04002590 machine_run_board_init(current_machine, mem_path, &error_fatal);
Paolo Bonzinid8e4de42020-10-23 08:04:29 -04002591
Markus Armbrusterfe9f70a2021-03-09 17:12:13 +01002592 drive_check_orphaned();
Paolo Bonzinid8e4de42020-10-23 08:04:29 -04002593
2594 realtime_init();
Paolo Bonzinid8e4de42020-10-23 08:04:29 -04002595}
2596
2597static void qemu_create_cli_devices(void)
2598{
Kevin Wolf5dacda52021-10-08 15:34:42 +02002599 DeviceOption *opt;
2600
Paolo Bonzinid8e4de42020-10-23 08:04:29 -04002601 soundhw_init();
2602
2603 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
2604 parse_fw_cfg, fw_cfg_find(), &error_fatal);
2605
2606 /* init USB devices */
2607 if (machine_usb(current_machine)) {
2608 if (foreach_device_config(DEV_USB, usb_parse) < 0)
2609 exit(1);
2610 }
2611
2612 /* init generic devices */
2613 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
2614 qemu_opts_foreach(qemu_find_opts("device"),
2615 device_init_func, NULL, &error_fatal);
Kevin Wolf5dacda52021-10-08 15:34:42 +02002616 QTAILQ_FOREACH(opt, &device_opts, next) {
Daniel P. Berrangé64b45292022-01-05 12:38:47 +00002617 DeviceState *dev;
Kevin Wolf5dacda52021-10-08 15:34:42 +02002618 loc_push_restore(&opt->loc);
2619 /*
2620 * TODO Eventually we should call qmp_device_add() here to make sure it
2621 * behaves the same, but QMP still has to accept incorrectly typed
2622 * options until libvirt is fixed and we want to be strict on the CLI
2623 * from the start, so call qdev_device_add_from_qdict() directly for
2624 * now.
2625 */
Daniel P. Berrangé64b45292022-01-05 12:38:47 +00002626 dev = qdev_device_add_from_qdict(opt->opts, true, &error_fatal);
2627 object_unref(OBJECT(dev));
Kevin Wolf5dacda52021-10-08 15:34:42 +02002628 loc_pop(&opt->loc);
2629 }
Paolo Bonzinid8e4de42020-10-23 08:04:29 -04002630 rom_reset_order_override();
2631}
2632
2633static void qemu_machine_creation_done(void)
2634{
David Gibsonabc27d42020-10-20 17:01:19 +11002635 MachineState *machine = MACHINE(qdev_get_machine());
2636
Paolo Bonzinid8e4de42020-10-23 08:04:29 -04002637 /* Did we create any drives that we failed to create a device for? */
2638 drive_check_orphaned();
2639
2640 /* Don't warn about the default network setup that you get if
2641 * no command line -net or -netdev options are specified. There
2642 * are two cases that we would otherwise complain about:
2643 * (1) board doesn't support a NIC but the implicit "-net nic"
2644 * requested one
2645 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
2646 * sets up a nic that isn't connected to anything.
2647 */
2648 if (!default_net && (!qtest_enabled() || has_defaults)) {
2649 net_check_clients();
2650 }
2651
Paolo Bonzinicca686b2020-10-27 04:26:14 -04002652 qdev_prop_check_globals();
2653
Paolo Bonzinif66dc872020-11-13 02:43:56 -05002654 qdev_machine_creation_done();
Paolo Bonzinid8e4de42020-10-23 08:04:29 -04002655
David Gibsonabc27d42020-10-20 17:01:19 +11002656 if (machine->cgs) {
2657 /*
2658 * Verify that Confidential Guest Support has actually been initialized
2659 */
2660 assert(machine->cgs->ready);
2661 }
2662
Paolo Bonzinid8e4de42020-10-23 08:04:29 -04002663 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
2664 exit(1);
2665 }
Gautam Agrawalf9bcb2d2022-05-01 17:55:05 +05302666 if (!vga_interface_created && !default_vga &&
2667 vga_interface_type != VGA_NONE) {
2668 warn_report("A -vga option was passed but this machine "
2669 "type does not use that option; "
2670 "No VGA device has been created");
2671 }
Paolo Bonzinid8e4de42020-10-23 08:04:29 -04002672}
2673
Paolo Bonzinib4e1a342020-10-27 08:44:23 -04002674void qmp_x_exit_preconfig(Error **errp)
2675{
Paolo Bonzini2f181fb2020-11-12 09:38:36 -05002676 if (phase_check(PHASE_MACHINE_INITIALIZED)) {
Paolo Bonzinib4e1a342020-10-27 08:44:23 -04002677 error_setg(errp, "The command is permitted only before machine initialization");
2678 return;
2679 }
2680
2681 qemu_init_board();
2682 qemu_create_cli_devices();
2683 qemu_machine_creation_done();
2684
2685 if (loadvm) {
Markus Armbrusterf9734d52021-07-20 14:53:53 +02002686 load_snapshot(loadvm, NULL, false, NULL, &error_fatal);
Paolo Bonzinib4e1a342020-10-27 08:44:23 -04002687 }
2688 if (replay_mode != REPLAY_MODE_NONE) {
2689 replay_vmstate_init();
2690 }
2691
2692 if (incoming) {
2693 Error *local_err = NULL;
2694 if (strcmp(incoming, "defer") != 0) {
2695 qmp_migrate_incoming(incoming, &local_err);
2696 if (local_err) {
2697 error_reportf_err(local_err, "-incoming %s: ", incoming);
2698 exit(1);
2699 }
2700 }
2701 } else if (autostart) {
2702 qmp_cont(NULL);
2703 }
2704}
2705
Akihiko Odakibab6a302022-08-19 22:27:54 +09002706void qemu_init(int argc, char **argv)
bellard0824d6f2003-06-24 13:42:40 +00002707{
Paolo Bonzini7a842682020-10-27 11:08:04 -04002708 QemuOpts *opts;
Thomas Huthd1cdd922017-12-18 18:14:32 +01002709 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
Gerd Hoffmann03b0ba72010-08-20 13:52:02 +02002710 QemuOptsList *olist;
bellardcd6f1162004-05-13 22:02:20 +00002711 int optind;
Anthony Liguori6530a972010-01-22 09:18:06 -06002712 const char *optarg;
Marcel Apfelbaum0056ae22014-03-05 19:30:47 +02002713 MachineClass *machine_class;
Eduardo Habkostf29a5612012-05-02 13:07:29 -03002714 bool userconfig = true;
Amit Shahabfd9ce2014-06-20 18:56:08 +05302715 FILE *vmstate_dump_file = NULL;
Stefan Hajnoczi0b5538c2011-02-26 18:38:39 +00002716
Paolo Bonzini4d454572012-11-26 16:03:42 +01002717 qemu_add_opts(&qemu_drive_opts);
Amos Kong968854c2013-11-09 12:15:47 +08002718 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2719 qemu_add_drive_opts(&qemu_common_drive_opts);
2720 qemu_add_drive_opts(&qemu_drive_opts);
Kevin Wolfc5f30142016-10-06 11:33:17 +02002721 qemu_add_drive_opts(&bdrv_runtime_opts);
Paolo Bonzini4d454572012-11-26 16:03:42 +01002722 qemu_add_opts(&qemu_chardev_opts);
2723 qemu_add_opts(&qemu_device_opts);
2724 qemu_add_opts(&qemu_netdev_opts);
Thomas Huth78cd6f72018-02-21 11:18:36 +01002725 qemu_add_opts(&qemu_nic_opts);
Paolo Bonzini4d454572012-11-26 16:03:42 +01002726 qemu_add_opts(&qemu_net_opts);
2727 qemu_add_opts(&qemu_rtc_opts);
2728 qemu_add_opts(&qemu_global_opts);
2729 qemu_add_opts(&qemu_mon_opts);
2730 qemu_add_opts(&qemu_trace_opts);
Lluís Vilanova42229a72017-07-24 17:28:22 +03002731 qemu_plugin_add_opts();
Paolo Bonzini4d454572012-11-26 16:03:42 +01002732 qemu_add_opts(&qemu_option_rom_opts);
KONRAD Frederic8d4e9142017-02-23 18:29:08 +00002733 qemu_add_opts(&qemu_accel_opts);
Igor Mammedov6e1d3c12013-11-27 01:27:35 +01002734 qemu_add_opts(&qemu_mem_opts);
Michael Tokarev12b7f572013-06-24 15:06:52 +04002735 qemu_add_opts(&qemu_smp_opts);
Paolo Bonzini4d454572012-11-26 16:03:42 +01002736 qemu_add_opts(&qemu_boot_opts);
Paolo Bonzini4d454572012-11-26 16:03:42 +01002737 qemu_add_opts(&qemu_add_fd_opts);
2738 qemu_add_opts(&qemu_object_opts);
Stefan Bergerd1a0cf72013-02-27 12:47:49 -05002739 qemu_add_opts(&qemu_tpmdev_opts);
Prasad Singamsetty1fdd4742018-08-15 13:57:04 -04002740 qemu_add_opts(&qemu_overcommit_opts);
Seiji Aguchi5e2ac512013-07-03 23:02:46 -04002741 qemu_add_opts(&qemu_msg_opts);
Dr. David Alan Gilbert5d12f962014-01-30 10:20:30 +00002742 qemu_add_opts(&qemu_name_opts);
Wanlong Gao00421092014-05-14 17:43:08 +08002743 qemu_add_opts(&qemu_numa_opts);
Sebastian Tanase1ad95802014-07-25 11:56:28 +02002744 qemu_add_opts(&qemu_icount_opts);
Liviu Ionescua38bb072014-12-11 12:07:48 +00002745 qemu_add_opts(&qemu_semihosting_config_opts);
Gabriel L. Somlo81b2b812015-04-29 11:21:53 -04002746 qemu_add_opts(&qemu_fw_cfg_opts);
Alejandro Jimenez2a5ad602020-12-11 11:52:41 -05002747 qemu_add_opts(&qemu_action_opts);
Michael Tokarev8a768db2023-09-01 13:12:58 +03002748 qemu_add_run_with_opts();
Eduardo Habkost34294e22016-02-16 18:59:07 -02002749 module_call_init(MODULE_INIT_OPTS);
Paolo Bonzini4d454572012-11-26 16:03:42 +01002750
Paolo Bonziniefd7ab22020-10-21 05:33:40 -04002751 error_init(argv[0]);
2752 qemu_init_exec_dir(argv[0]);
Luiz Capitulino5db9d4d2011-09-05 16:36:31 -03002753
Philippe Mathieu-Daudéc80cafa2022-02-03 16:58:33 +01002754 qemu_init_arch_modules();
Gerd Hoffmann5ebbfec2021-06-24 12:38:05 +02002755
Paolo Bonziniefd7ab22020-10-21 05:33:40 -04002756 qemu_init_subsystems();
blueswir141bd6392008-10-05 09:56:21 +00002757
Anthony Liguori292444c2010-01-21 10:57:58 -06002758 /* first pass of option parsing */
2759 optind = 1;
2760 while (optind < argc) {
2761 if (argv[optind][0] != '-') {
2762 /* disk image */
Anthony Liguori28e68d62010-01-27 10:46:00 -06002763 optind++;
Anthony Liguori292444c2010-01-21 10:57:58 -06002764 } else {
2765 const QEMUOption *popt;
2766
2767 popt = lookup_opt(argc, argv, &optarg, &optind);
2768 switch (popt->index) {
Eduardo Habkostf29a5612012-05-02 13:07:29 -03002769 case QEMU_OPTION_nouserconfig:
2770 userconfig = false;
2771 break;
Anthony Liguori292444c2010-01-21 10:57:58 -06002772 }
2773 }
2774 }
2775
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04002776 machine_opts_dict = qdict_new();
Eduardo Habkost1ea06c32017-10-04 00:00:24 -03002777 if (userconfig) {
Paolo Bonzinif7544ed2021-02-26 12:08:16 -05002778 qemu_read_default_config_file(&error_fatal);
Anthony Liguori292444c2010-01-21 10:57:58 -06002779 }
2780
2781 /* second pass of option parsing */
bellardcd6f1162004-05-13 22:02:20 +00002782 optind = 1;
bellard0824d6f2003-06-24 13:42:40 +00002783 for(;;) {
bellardcd6f1162004-05-13 22:02:20 +00002784 if (optind >= argc)
bellard0824d6f2003-06-24 13:42:40 +00002785 break;
Anthony Liguori6530a972010-01-22 09:18:06 -06002786 if (argv[optind][0] != '-') {
Markus Armbruster17f30ea2019-03-18 19:33:12 +01002787 loc_set_cmdline(argv, optind, 1);
Thomas Huthd1cdd922017-12-18 18:14:32 +01002788 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
bellardcd6f1162004-05-13 22:02:20 +00002789 } else {
2790 const QEMUOption *popt;
2791
Anthony Liguori6530a972010-01-22 09:18:06 -06002792 popt = lookup_opt(argc, argv, &optarg, &optind);
Blue Swirlad960902010-03-29 19:23:52 +00002793 if (!(popt->arch_mask & arch_type)) {
Markus Armbrusterda002522016-05-31 10:31:38 +02002794 error_report("Option not supported for this target");
Blue Swirlad960902010-03-29 19:23:52 +00002795 exit(1);
2796 }
bellardcd6f1162004-05-13 22:02:20 +00002797 switch(popt->index) {
j_mayer94fc95c2007-03-05 19:44:02 +00002798 case QEMU_OPTION_cpu:
2799 /* hw initialization will check this */
Eduardo Habkostc1c8cfe2019-04-16 23:59:40 -03002800 cpu_option = optarg;
j_mayer94fc95c2007-03-05 19:44:02 +00002801 break;
bellardcd6f1162004-05-13 22:02:20 +00002802 case QEMU_OPTION_hda:
bellardcd6f1162004-05-13 22:02:20 +00002803 case QEMU_OPTION_hdb:
bellardcc1daa42005-06-05 14:49:17 +00002804 case QEMU_OPTION_hdc:
2805 case QEMU_OPTION_hdd:
Markus Armbruster2292dda2011-01-28 11:21:41 +01002806 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2807 HD_OPTS);
bellardfc01f7e2003-06-30 10:03:06 +00002808 break;
Markus Armbruster42e5f392017-02-28 22:27:07 +01002809 case QEMU_OPTION_blockdev:
2810 {
2811 Visitor *v;
Markus Armbruster651af512019-03-08 14:14:38 +01002812 BlockdevOptionsQueueEntry *bdo;
Markus Armbruster42e5f392017-02-28 22:27:07 +01002813
Markus Armbruster92917cd2018-12-13 18:58:07 +01002814 v = qobject_input_visitor_new_str(optarg, "driver",
2815 &error_fatal);
Markus Armbruster42e5f392017-02-28 22:27:07 +01002816
Markus Armbruster651af512019-03-08 14:14:38 +01002817 bdo = g_new(BlockdevOptionsQueueEntry, 1);
Markus Armbruster42e5f392017-02-28 22:27:07 +01002818 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
2819 &error_fatal);
2820 visit_free(v);
2821 loc_save(&bdo->loc);
2822 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
2823 break;
2824 }
thse4bcb142007-12-02 04:51:10 +00002825 case QEMU_OPTION_drive:
Emanuele Giuseppe Espositocc67f282021-12-15 07:11:39 -05002826 opts = qemu_opts_parse_noisily(qemu_find_opts("drive"),
2827 optarg, false);
2828 if (opts == NULL) {
Michael Tokareve2982c32011-03-30 16:31:05 +04002829 exit(1);
2830 }
Marcel Apfelbaum99efa842015-01-11 12:56:51 +02002831 break;
Gerd Hoffmannd058fe02009-07-31 12:25:36 +02002832 case QEMU_OPTION_set:
Paolo Bonzinic0d4aa82021-05-24 06:57:51 -04002833 qemu_set_option(optarg, &error_fatal);
Marcel Apfelbaum99efa842015-01-11 12:56:51 +02002834 break;
Gerd Hoffmannd0fef6f2009-12-08 13:11:34 +01002835 case QEMU_OPTION_global:
2836 if (qemu_global_option(optarg) != 0)
2837 exit(1);
Marcel Apfelbaum99efa842015-01-11 12:56:51 +02002838 break;
balrog3e3d5812007-04-30 02:09:25 +00002839 case QEMU_OPTION_mtdblock:
Markus Armbruster2292dda2011-01-28 11:21:41 +01002840 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
balrog3e3d5812007-04-30 02:09:25 +00002841 break;
pbrooka1bb27b2007-04-06 16:49:48 +00002842 case QEMU_OPTION_sd:
Peter Crosthwaite80f4d9f2013-02-28 18:23:14 +00002843 drive_add(IF_SD, -1, optarg, SD_OPTS);
pbrooka1bb27b2007-04-06 16:49:48 +00002844 break;
j_mayer86f55662007-04-24 06:52:59 +00002845 case QEMU_OPTION_pflash:
Markus Armbruster2292dda2011-01-28 11:21:41 +01002846 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
j_mayer86f55662007-04-24 06:52:59 +00002847 break;
bellardcd6f1162004-05-13 22:02:20 +00002848 case QEMU_OPTION_snapshot:
Markus Armbruster0ec83842023-02-07 08:51:12 +01002849 snapshot = 1;
2850 replay_add_blocker("-snapshot");
bellard33e39632003-07-06 17:15:21 +00002851 break;
aliguori268a3622009-04-21 22:30:27 +00002852 case QEMU_OPTION_numa:
Markus Armbruster70b94332015-02-13 12:50:26 +01002853 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
2854 optarg, true);
Wanlong Gao00421092014-05-14 17:43:08 +08002855 if (!opts) {
2856 exit(1);
2857 }
aliguori268a3622009-04-21 22:30:27 +00002858 break;
Jes Sorensen1472a952011-03-16 13:33:31 +01002859 case QEMU_OPTION_display:
Gerd Hoffmanne3af9f92018-02-02 12:10:22 +01002860 parse_display(optarg);
Jes Sorensen1472a952011-03-16 13:33:31 +01002861 break;
bellardcd6f1162004-05-13 22:02:20 +00002862 case QEMU_OPTION_nographic:
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04002863 qdict_put_str(machine_opts_dict, "graphics", "off");
Eduardo Habkostcfc58cf2016-04-19 16:55:25 -03002864 nographic = true;
Gerd Hoffmann0c8d7062018-02-02 12:10:14 +01002865 dpy.type = DISPLAY_TYPE_NONE;
bellarda20dd502003-09-30 21:07:02 +00002866 break;
balroga171fe32007-04-30 01:48:07 +00002867 case QEMU_OPTION_portrait:
Vasily Khoruzhick93128052011-06-17 13:04:36 +03002868 graphic_rotate = 90;
2869 break;
2870 case QEMU_OPTION_rotate:
2871 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2872 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2873 graphic_rotate != 180 && graphic_rotate != 270) {
Eduardo Habkostf61eddc2015-10-30 13:07:52 -02002874 error_report("only 90, 180, 270 deg rotation is available");
Vasily Khoruzhick93128052011-06-17 13:04:36 +03002875 exit(1);
2876 }
balroga171fe32007-04-30 01:48:07 +00002877 break;
bellardcd6f1162004-05-13 22:02:20 +00002878 case QEMU_OPTION_kernel:
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04002879 qdict_put_str(machine_opts_dict, "kernel", optarg);
Peter Maydella0abe472012-02-08 05:41:39 +00002880 break;
2881 case QEMU_OPTION_initrd:
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04002882 qdict_put_str(machine_opts_dict, "initrd", optarg);
bellarda20dd502003-09-30 21:07:02 +00002883 break;
bellardcd6f1162004-05-13 22:02:20 +00002884 case QEMU_OPTION_append:
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04002885 qdict_put_str(machine_opts_dict, "append", optarg);
bellard313aa562003-08-10 21:52:11 +00002886 break;
Grant Likely412beee2012-03-02 11:56:38 +00002887 case QEMU_OPTION_dtb:
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04002888 qdict_put_str(machine_opts_dict, "dtb", optarg);
Grant Likely412beee2012-03-02 11:56:38 +00002889 break;
bellardcd6f1162004-05-13 22:02:20 +00002890 case QEMU_OPTION_cdrom:
Markus Armbruster2292dda2011-01-28 11:21:41 +01002891 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
bellard36b486b2003-11-11 13:36:08 +00002892 break;
bellardcd6f1162004-05-13 22:02:20 +00002893 case QEMU_OPTION_boot:
Paolo Bonzini8c4da4b2022-04-14 12:52:57 -04002894 machine_parse_property_opt(qemu_find_opts("boot-opts"), "boot", optarg);
bellard36b486b2003-11-11 13:36:08 +00002895 break;
bellardcd6f1162004-05-13 22:02:20 +00002896 case QEMU_OPTION_fda:
bellardcd6f1162004-05-13 22:02:20 +00002897 case QEMU_OPTION_fdb:
Markus Armbruster2292dda2011-01-28 11:21:41 +01002898 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2899 optarg, FD_OPTS);
bellardc45886d2004-01-05 00:02:06 +00002900 break;
bellard52ca8d62006-06-14 16:03:05 +00002901 case QEMU_OPTION_no_fd_bootchk:
2902 fd_bootchk = 0;
2903 break;
Mark McLoughlina1ea4582009-10-08 19:58:26 +01002904 case QEMU_OPTION_netdev:
Eduardo Habkostd30300f2016-05-12 11:17:16 -03002905 default_net = 0;
Laurent Vivierf3eedcd2022-10-21 11:09:09 +02002906 if (netdev_is_modern(optarg)) {
2907 netdev_parse_modern(optarg);
2908 } else {
2909 net_client_parse(qemu_find_opts("netdev"), optarg);
2910 }
Mark McLoughlina1ea4582009-10-08 19:58:26 +01002911 break;
Thomas Huth78cd6f72018-02-21 11:18:36 +01002912 case QEMU_OPTION_nic:
2913 default_net = 0;
Laurent Vivier21fccb22022-10-21 11:09:08 +02002914 net_client_parse(qemu_find_opts("nic"), optarg);
Thomas Huth78cd6f72018-02-21 11:18:36 +01002915 break;
bellard7c9d8e02005-11-15 22:16:05 +00002916 case QEMU_OPTION_net:
Eduardo Habkostd30300f2016-05-12 11:17:16 -03002917 default_net = 0;
Laurent Vivier21fccb22022-10-21 11:09:08 +02002918 net_client_parse(qemu_find_opts("net"), optarg);
bellard702c6512004-04-02 21:21:32 +00002919 break;
Ronnie Sahlbergf9dadc92012-01-26 09:39:02 +11002920#ifdef CONFIG_LIBISCSI
2921 case QEMU_OPTION_iscsi:
Markus Armbruster70b94332015-02-13 12:50:26 +01002922 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
2923 optarg, false);
Ronnie Sahlbergf9dadc92012-01-26 09:39:02 +11002924 if (!opts) {
2925 exit(1);
2926 }
2927 break;
2928#endif
bellard1d14ffa2005-10-30 18:58:22 +00002929 case QEMU_OPTION_audio_help:
Kővágó, Zoltán71830222019-03-08 23:34:15 +01002930 audio_legacy_help();
bellard1d14ffa2005-10-30 18:58:22 +00002931 exit (0);
2932 break;
Kővágó, Zoltán71830222019-03-08 23:34:15 +01002933 case QEMU_OPTION_audiodev:
2934 audio_parse_option(optarg);
2935 break;
Paolo Bonzini039a6832022-04-27 12:27:46 +02002936 case QEMU_OPTION_audio: {
Claudio Fontana5e03b6d2022-09-08 10:14:41 +02002937 bool help;
Paolo Bonzini039a6832022-04-27 12:27:46 +02002938 char *model;
2939 Audiodev *dev = NULL;
2940 Visitor *v;
Claudio Fontana5e03b6d2022-09-08 10:14:41 +02002941 QDict *dict = keyval_parse(optarg, "driver", &help, &error_fatal);
2942 if (help || (qdict_haskey(dict, "driver") &&
2943 is_help_option(qdict_get_str(dict, "driver")))) {
2944 audio_help();
2945 exit(EXIT_SUCCESS);
2946 }
Paolo Bonzini039a6832022-04-27 12:27:46 +02002947 if (!qdict_haskey(dict, "id")) {
2948 qdict_put_str(dict, "id", "audiodev0");
2949 }
2950 if (!qdict_haskey(dict, "model")) {
2951 error_setg(&error_fatal, "Parameter 'model' is missing");
2952 }
2953 model = g_strdup(qdict_get_str(dict, "model"));
2954 qdict_del(dict, "model");
2955 if (is_help_option(model)) {
Paolo Bonzini67aaa962022-04-27 13:15:23 +02002956 show_valid_soundhw();
2957 exit(0);
2958 }
Paolo Bonzini039a6832022-04-27 12:27:46 +02002959 v = qobject_input_visitor_new_keyval(QOBJECT(dict));
2960 qobject_unref(dict);
2961 visit_type_Audiodev(v, NULL, &dev, &error_fatal);
2962 visit_free(v);
2963 audio_define(dev);
2964 select_soundhw(model, dev->id);
2965 g_free(model);
bellard1d14ffa2005-10-30 18:58:22 +00002966 break;
Paolo Bonzini039a6832022-04-27 12:27:46 +02002967 }
bellardcd6f1162004-05-13 22:02:20 +00002968 case QEMU_OPTION_h:
ths15f82202007-06-29 23:26:08 +00002969 help(0);
bellardcd6f1162004-05-13 22:02:20 +00002970 break;
pbrook9bd7e6d2009-04-07 22:58:45 +00002971 case QEMU_OPTION_version:
2972 version();
2973 exit(0);
2974 break;
Marcel Apfelbaum3b9985e2015-01-11 12:38:43 +02002975 case QEMU_OPTION_m:
Paolo Bonzinie12f0682022-08-05 12:01:51 +02002976 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"), optarg, true);
2977 if (opts == NULL) {
2978 exit(1);
2979 }
bellardcd6f1162004-05-13 22:02:20 +00002980 break;
Stefan Bergerd1a0cf72013-02-27 12:47:49 -05002981#ifdef CONFIG_TPM
2982 case QEMU_OPTION_tpmdev:
2983 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
2984 exit(1);
2985 }
2986 break;
2987#endif
Marcelo Tosattic9027602010-03-01 20:25:08 -03002988 case QEMU_OPTION_mempath:
2989 mem_path = optarg;
2990 break;
Marcelo Tosattic9027602010-03-01 20:25:08 -03002991 case QEMU_OPTION_mem_prealloc:
2992 mem_prealloc = 1;
2993 break;
bellardcd6f1162004-05-13 22:02:20 +00002994 case QEMU_OPTION_d:
Matthew Fernandezc235d732011-06-07 16:32:40 +00002995 log_mask = optarg;
2996 break;
2997 case QEMU_OPTION_D:
2998 log_file = optarg;
bellardcd6f1162004-05-13 22:02:20 +00002999 break;
Alex Bennée35145522016-03-15 14:30:20 +00003000 case QEMU_OPTION_DFILTER:
Markus Armbrusterbd6fee92016-06-15 19:27:15 +02003001 qemu_set_dfilter_ranges(optarg, &error_fatal);
Alex Bennée35145522016-03-15 14:30:20 +00003002 break;
Ilya Leoshkevich5584e2d2023-01-12 16:20:13 +01003003#if defined(CONFIG_TCG) && defined(CONFIG_LINUX)
3004 case QEMU_OPTION_perfmap:
3005 perf_enable_perfmap();
3006 break;
3007 case QEMU_OPTION_jitdump:
3008 perf_enable_jitdump();
3009 break;
3010#endif
Richard Henderson9c09a252019-03-14 13:06:29 -07003011 case QEMU_OPTION_seed:
3012 qemu_guest_random_seed_main(optarg, &error_fatal);
3013 break;
bellardcd6f1162004-05-13 22:02:20 +00003014 case QEMU_OPTION_s:
Markus Armbrusteref0c4a02012-02-07 15:09:13 +01003015 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
bellardcd6f1162004-05-13 22:02:20 +00003016 break;
aliguori59030a82009-04-05 18:43:41 +00003017 case QEMU_OPTION_gdb:
Markus Armbrusteref0c4a02012-02-07 15:09:13 +01003018 add_device_config(DEV_GDB, optarg);
bellardcd6f1162004-05-13 22:02:20 +00003019 break;
bellardcd6f1162004-05-13 22:02:20 +00003020 case QEMU_OPTION_L:
Richard W.M. Jones37146e72016-05-16 17:34:35 +01003021 if (is_help_option(optarg)) {
3022 list_data_dirs = true;
Gerd Hoffmann2a1cce92017-09-14 13:42:35 +02003023 } else {
Paolo Bonziniea1edcd2020-08-18 11:57:56 +02003024 qemu_add_data_dir(g_strdup(optarg));
Gerd Hoffmann45240512013-03-08 11:42:24 +01003025 }
bellardcd6f1162004-05-13 22:02:20 +00003026 break;
j_mayer1192dad2007-10-05 13:08:35 +00003027 case QEMU_OPTION_bios:
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04003028 qdict_put_str(machine_opts_dict, "firmware", optarg);
j_mayer1192dad2007-10-05 13:08:35 +00003029 break;
aurel321b530a62009-04-05 20:08:59 +00003030 case QEMU_OPTION_singlestep:
Peter Maydell3cfb0452023-04-17 17:40:32 +01003031 opt_one_insn_per_tb = true;
aurel321b530a62009-04-05 20:08:59 +00003032 break;
bellardcd6f1162004-05-13 22:02:20 +00003033 case QEMU_OPTION_S:
pbrook3c07f8e2007-01-21 16:47:01 +00003034 autostart = 0;
bellardcd6f1162004-05-13 22:02:20 +00003035 break;
Marcel Apfelbaum99efa842015-01-11 12:56:51 +02003036 case QEMU_OPTION_k:
3037 keyboard_layout = optarg;
3038 break;
malc3893c122008-09-28 00:42:05 +00003039 case QEMU_OPTION_vga:
Blue Swirla369da52011-09-27 19:15:42 +00003040 vga_model = optarg;
Paolo Bonzini7f1b17f2012-05-10 09:39:17 +02003041 default_vga = 0;
bellard1bfe8562004-07-08 21:17:50 +00003042 break;
bellarde9b137c2004-06-21 16:46:10 +00003043 case QEMU_OPTION_g:
3044 {
3045 const char *p;
3046 int w, h, depth;
3047 p = optarg;
3048 w = strtol(p, (char **)&p, 10);
3049 if (w <= 0) {
3050 graphic_error:
Eduardo Habkostf61eddc2015-10-30 13:07:52 -02003051 error_report("invalid resolution or depth");
bellarde9b137c2004-06-21 16:46:10 +00003052 exit(1);
3053 }
3054 if (*p != 'x')
3055 goto graphic_error;
3056 p++;
3057 h = strtol(p, (char **)&p, 10);
3058 if (h <= 0)
3059 goto graphic_error;
3060 if (*p == 'x') {
3061 p++;
3062 depth = strtol(p, (char **)&p, 10);
Laurent Vivier8ac919a2019-10-26 18:45:43 +02003063 if (depth != 1 && depth != 2 && depth != 4 &&
3064 depth != 8 && depth != 15 && depth != 16 &&
bellarde9b137c2004-06-21 16:46:10 +00003065 depth != 24 && depth != 32)
3066 goto graphic_error;
3067 } else if (*p == '\0') {
3068 depth = graphic_depth;
3069 } else {
3070 goto graphic_error;
3071 }
ths3b46e622007-09-17 08:09:54 +00003072
bellarde9b137c2004-06-21 16:46:10 +00003073 graphic_width = w;
3074 graphic_height = h;
3075 graphic_depth = depth;
3076 }
3077 break;
ths20d8a3e2007-02-18 17:04:49 +00003078 case QEMU_OPTION_echr:
3079 {
3080 char *r;
3081 term_escape_char = strtol(optarg, &r, 0);
3082 if (r == optarg)
3083 printf("Bad argument to echr\n");
3084 break;
3085 }
bellard82c643f2004-07-14 17:28:13 +00003086 case QEMU_OPTION_monitor:
Gerd Hoffmann6ca55822009-12-08 13:11:52 +01003087 default_monitor = 0;
Luiz Capitulino70e098a2013-05-16 12:02:55 -04003088 if (strncmp(optarg, "none", 4)) {
Max Reitz4821cd42014-11-17 13:31:04 +01003089 monitor_parse(optarg, "readline", false);
Luiz Capitulino70e098a2013-05-16 12:02:55 -04003090 }
Gerd Hoffmann6ca55822009-12-08 13:11:52 +01003091 break;
3092 case QEMU_OPTION_qmp:
Max Reitz4821cd42014-11-17 13:31:04 +01003093 monitor_parse(optarg, "control", false);
3094 default_monitor = 0;
3095 break;
3096 case QEMU_OPTION_qmp_pretty:
3097 monitor_parse(optarg, "control", true);
Anthony Liguori2d114dc2010-03-21 14:14:38 -05003098 default_monitor = 0;
bellard82c643f2004-07-14 17:28:13 +00003099 break;
Gerd Hoffmann22a0e042009-12-08 13:11:51 +01003100 case QEMU_OPTION_mon:
Markus Armbruster70b94332015-02-13 12:50:26 +01003101 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3102 true);
Gerd Hoffmann22a0e042009-12-08 13:11:51 +01003103 if (!opts) {
Gerd Hoffmann22a0e042009-12-08 13:11:51 +01003104 exit(1);
3105 }
Anthony Liguori2d114dc2010-03-21 14:14:38 -05003106 default_monitor = 0;
Gerd Hoffmann22a0e042009-12-08 13:11:51 +01003107 break;
Gerd Hoffmann191bc012009-09-10 10:58:35 +02003108 case QEMU_OPTION_chardev:
Markus Armbruster70b94332015-02-13 12:50:26 +01003109 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3110 optarg, true);
Gerd Hoffmann191bc012009-09-10 10:58:35 +02003111 if (!opts) {
Gerd Hoffmann191bc012009-09-10 10:58:35 +02003112 exit(1);
3113 }
Gerd Hoffmann191bc012009-09-10 10:58:35 +02003114 break;
Gautham R Shenoy74db9202010-04-29 17:44:43 +05303115 case QEMU_OPTION_fsdev:
Gerd Hoffmann03b0ba72010-08-20 13:52:02 +02003116 olist = qemu_find_opts("fsdev");
3117 if (!olist) {
Eduardo Habkost5dfdae82015-10-30 13:08:02 -02003118 error_report("fsdev support is disabled");
Gerd Hoffmann03b0ba72010-08-20 13:52:02 +02003119 exit(1);
3120 }
Markus Armbruster70b94332015-02-13 12:50:26 +01003121 opts = qemu_opts_parse_noisily(olist, optarg, true);
Gautham R Shenoy74db9202010-04-29 17:44:43 +05303122 if (!opts) {
Gautham R Shenoy74db9202010-04-29 17:44:43 +05303123 exit(1);
3124 }
3125 break;
Gautham R Shenoy3d54abc2010-04-29 17:45:03 +05303126 case QEMU_OPTION_virtfs: {
Stefan Hajnoczie14ea472011-03-16 08:31:43 +00003127 QemuOpts *fsdev;
3128 QemuOpts *device;
Antonios Motakis1a6ed332019-10-10 11:36:05 +02003129 const char *writeout, *sock_fd, *socket, *path, *security_model,
3130 *multidevs;
Gautham R Shenoy3d54abc2010-04-29 17:45:03 +05303131
Gerd Hoffmann03b0ba72010-08-20 13:52:02 +02003132 olist = qemu_find_opts("virtfs");
3133 if (!olist) {
Eduardo Habkost5dfdae82015-10-30 13:08:02 -02003134 error_report("virtfs support is disabled");
Gerd Hoffmann03b0ba72010-08-20 13:52:02 +02003135 exit(1);
3136 }
Markus Armbruster70b94332015-02-13 12:50:26 +01003137 opts = qemu_opts_parse_noisily(olist, optarg, true);
Gautham R Shenoy3d54abc2010-04-29 17:45:03 +05303138 if (!opts) {
Gautham R Shenoy3d54abc2010-04-29 17:45:03 +05303139 exit(1);
3140 }
3141
Aneesh Kumar K.Vfbcbf102011-10-13 12:28:04 +05303142 if (qemu_opt_get(opts, "fsdriver") == NULL ||
Aneesh Kumar K.V99519f02011-12-14 13:48:59 +05303143 qemu_opt_get(opts, "mount_tag") == NULL) {
Eduardo Habkost8afb9002015-10-30 13:07:54 -02003144 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
Venkateswararao Jujjuri (JV)9ce56db2010-06-14 13:34:40 -07003145 exit(1);
3146 }
Stefan Hajnoczie14ea472011-03-16 08:31:43 +00003147 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
Chris Webb3baa0a62011-11-24 17:05:18 +00003148 qemu_opts_id(opts) ?:
Luiz Capitulino8be7e7e2012-03-20 15:51:57 -03003149 qemu_opt_get(opts, "mount_tag"),
3150 1, NULL);
Stefan Hajnoczie14ea472011-03-16 08:31:43 +00003151 if (!fsdev) {
Chris Webb3baa0a62011-11-24 17:05:18 +00003152 error_report("duplicate or invalid fsdev id: %s",
Eduardo Habkostf61eddc2015-10-30 13:07:52 -02003153 qemu_opt_get(opts, "mount_tag"));
Gautham R Shenoy3d54abc2010-04-29 17:45:03 +05303154 exit(1);
3155 }
Aneesh Kumar K.Vd3ab98e2011-10-12 19:11:23 +05303156
3157 writeout = qemu_opt_get(opts, "writeout");
3158 if (writeout) {
3159#ifdef CONFIG_SYNC_FILE_RANGE
Markus Armbrusterf43e47d2015-02-12 17:52:20 +01003160 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
Aneesh Kumar K.Vd3ab98e2011-10-12 19:11:23 +05303161#else
Eduardo Habkostf61eddc2015-10-30 13:07:52 -02003162 error_report("writeout=immediate not supported "
3163 "on this platform");
Aneesh Kumar K.Vd3ab98e2011-10-12 19:11:23 +05303164 exit(1);
3165#endif
3166 }
Markus Armbrusterf43e47d2015-02-12 17:52:20 +01003167 qemu_opt_set(fsdev, "fsdriver",
3168 qemu_opt_get(opts, "fsdriver"), &error_abort);
Greg Kurz32b69432017-09-04 09:59:01 +02003169 path = qemu_opt_get(opts, "path");
3170 if (path) {
3171 qemu_opt_set(fsdev, "path", path, &error_abort);
3172 }
3173 security_model = qemu_opt_get(opts, "security_model");
3174 if (security_model) {
3175 qemu_opt_set(fsdev, "security_model", security_model,
3176 &error_abort);
3177 }
M. Mohan Kumar84a87cc2011-12-14 13:58:47 +05303178 socket = qemu_opt_get(opts, "socket");
3179 if (socket) {
Markus Armbrusterf43e47d2015-02-12 17:52:20 +01003180 qemu_opt_set(fsdev, "socket", socket, &error_abort);
M. Mohan Kumar84a87cc2011-12-14 13:58:47 +05303181 }
M. Mohan Kumar4c793dd2011-12-14 13:49:28 +05303182 sock_fd = qemu_opt_get(opts, "sock_fd");
3183 if (sock_fd) {
Markus Armbrusterf43e47d2015-02-12 17:52:20 +01003184 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
M. Mohan Kumar4c793dd2011-12-14 13:49:28 +05303185 }
Gautham R Shenoy3d54abc2010-04-29 17:45:03 +05303186
M. Mohan Kumar2c74c2c2011-10-25 12:10:39 +05303187 qemu_opt_set_bool(fsdev, "readonly",
Markus Armbrustercccb7962015-02-12 16:37:44 +01003188 qemu_opt_get_bool(opts, "readonly", 0),
3189 &error_abort);
Antonios Motakis1a6ed332019-10-10 11:36:05 +02003190 multidevs = qemu_opt_get(opts, "multidevs");
3191 if (multidevs) {
3192 qemu_opt_set(fsdev, "multidevs", multidevs, &error_abort);
3193 }
Peter Crosthwaite87ea75d2014-01-01 18:49:17 -08003194 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3195 &error_abort);
Markus Armbrusterf43e47d2015-02-12 17:52:20 +01003196 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
Stefan Hajnoczie14ea472011-03-16 08:31:43 +00003197 qemu_opt_set(device, "fsdev",
Chris Webb3baa0a62011-11-24 17:05:18 +00003198 qemu_opts_id(fsdev), &error_abort);
Stefan Hajnoczie14ea472011-03-16 08:31:43 +00003199 qemu_opt_set(device, "mount_tag",
Markus Armbrusterf43e47d2015-02-12 17:52:20 +01003200 qemu_opt_get(opts, "mount_tag"), &error_abort);
Gautham R Shenoy3d54abc2010-04-29 17:45:03 +05303201 break;
3202 }
bellard82c643f2004-07-14 17:28:13 +00003203 case QEMU_OPTION_serial:
Gerd Hoffmann998bbd72009-12-08 13:11:41 +01003204 add_device_config(DEV_SERIAL, optarg);
3205 default_serial = 0;
Jan Kiszka18141ed2010-03-07 11:28:40 +01003206 if (strncmp(optarg, "mon:", 4) == 0) {
3207 default_monitor = 0;
3208 }
bellard82c643f2004-07-14 17:28:13 +00003209 break;
Alejandro Jimenez2a5ad602020-12-11 11:52:41 -05003210 case QEMU_OPTION_action:
3211 olist = qemu_find_opts("action");
3212 if (!qemu_opts_parse_noisily(olist, optarg, false)) {
3213 exit(1);
3214 }
3215 break;
Paolo Bonzini22afb462021-10-27 15:03:04 +02003216 case QEMU_OPTION_watchdog_action: {
3217 QemuOpts *opts;
3218 opts = qemu_opts_create(qemu_find_opts("action"), NULL, 0, &error_abort);
3219 qemu_opt_set(opts, "watchdog", optarg, &error_abort);
Richard W.M. Jones9dd986c2009-04-25 13:56:19 +01003220 break;
Paolo Bonzini22afb462021-10-27 15:03:04 +02003221 }
bellard6508fe52005-01-15 12:02:56 +00003222 case QEMU_OPTION_parallel:
Gerd Hoffmann6a5e8b02009-12-08 13:11:42 +01003223 add_device_config(DEV_PARALLEL, optarg);
3224 default_parallel = 0;
Jan Kiszka18141ed2010-03-07 11:28:40 +01003225 if (strncmp(optarg, "mon:", 4) == 0) {
3226 default_monitor = 0;
3227 }
bellard6508fe52005-01-15 12:02:56 +00003228 break;
H. Peter Anvinc9f398e2009-12-29 13:51:36 -08003229 case QEMU_OPTION_debugcon:
3230 add_device_config(DEV_DEBUGCON, optarg);
3231 break;
Marcel Apfelbaum99efa842015-01-11 12:56:51 +02003232 case QEMU_OPTION_loadvm:
3233 loadvm = optarg;
3234 break;
bellardd63d3072004-10-03 13:29:03 +00003235 case QEMU_OPTION_full_screen:
Gerd Hoffmann0c8d7062018-02-02 12:10:14 +01003236 dpy.has_full_screen = true;
3237 dpy.full_screen = true;
bellardd63d3072004-10-03 13:29:03 +00003238 break;
bellardf7cce892004-12-08 22:21:25 +00003239 case QEMU_OPTION_pidfile:
ths93815bc2007-03-19 15:58:31 +00003240 pid_file = optarg;
bellardf7cce892004-12-08 22:21:25 +00003241 break;
bellarda09db212005-04-30 16:10:35 +00003242 case QEMU_OPTION_win2k_hack:
3243 win2k_install_hack = 1;
3244 break;
aliguori8a92ea22009-02-27 20:12:36 +00003245 case QEMU_OPTION_acpitable:
Markus Armbruster70b94332015-02-13 12:50:26 +01003246 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3247 optarg, true);
Laszlo Ersekf46e7202013-11-28 18:12:59 +01003248 if (!opts) {
3249 exit(1);
3250 }
Paolo Bonzini9f570612016-12-22 17:12:33 +01003251 acpi_table_add(opts, &error_fatal);
aliguori8a92ea22009-02-27 20:12:36 +00003252 break;
aliguorib6f6e3d2009-04-17 18:59:56 +00003253 case QEMU_OPTION_smbios:
Markus Armbruster70b94332015-02-13 12:50:26 +01003254 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3255 optarg, false);
Laszlo Ersekf46e7202013-11-28 18:12:59 +01003256 if (!opts) {
3257 exit(1);
3258 }
Leif Lindholm1007a372016-12-22 15:18:28 +00003259 smbios_entry_add(opts, &error_fatal);
aliguorib6f6e3d2009-04-17 18:59:56 +00003260 break;
Gabriel L. Somlo81b2b812015-04-29 11:21:53 -04003261 case QEMU_OPTION_fwcfg:
Markus Armbruster70b94332015-02-13 12:50:26 +01003262 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3263 optarg, true);
Gabriel L. Somlo81b2b812015-04-29 11:21:53 -04003264 if (opts == NULL) {
3265 exit(1);
3266 }
3267 break;
Igor Mammedov047f7032018-05-11 19:24:43 +02003268 case QEMU_OPTION_preconfig:
Paolo Bonzini7691bde2020-10-27 04:07:30 -04003269 preconfig_requested = true;
Igor Mammedov047f7032018-05-11 19:24:43 +02003270 break;
aliguori7ba1e612008-11-05 16:04:33 +00003271 case QEMU_OPTION_enable_kvm:
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04003272 qdict_put_str(machine_opts_dict, "accel", "kvm");
Anthony PERARD303d4e82010-09-21 20:05:31 +01003273 break;
Marcel Apfelbaum364c3e62015-01-07 14:11:38 +02003274 case QEMU_OPTION_M:
Anthony PERARD303d4e82010-09-21 20:05:31 +01003275 case QEMU_OPTION_machine:
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04003276 {
3277 bool help;
3278
3279 keyval_parse_into(machine_opts_dict, optarg, "type", &help, &error_fatal);
3280 if (help) {
3281 machine_help_func(machine_opts_dict);
3282 exit(EXIT_SUCCESS);
3283 }
3284 break;
Anthony PERARD303d4e82010-09-21 20:05:31 +01003285 }
Thomas Hutha20fa792017-06-08 07:20:57 +02003286 case QEMU_OPTION_accel:
KONRAD Frederic8d4e9142017-02-23 18:29:08 +00003287 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3288 optarg, true);
3289 optarg = qemu_opt_get(accel_opts, "accel");
Thomas Huthbde4d922017-05-04 07:24:41 +02003290 if (!optarg || is_help_option(optarg)) {
Wainer dos Santos Moschettacbe6d632019-05-30 17:57:55 -04003291 printf("Accelerators supported in QEMU binary:\n");
3292 GSList *el, *accel_list = object_class_get_list(TYPE_ACCEL,
3293 false);
3294 for (el = accel_list; el; el = el->next) {
3295 gchar *typename = g_strdup(object_class_get_name(
3296 OBJECT_CLASS(el->data)));
3297 /* omit qtest which is used for tests only */
3298 if (g_strcmp0(typename, ACCEL_CLASS_NAME("qtest")) &&
3299 g_str_has_suffix(typename, ACCEL_CLASS_SUFFIX)) {
3300 gchar **optname = g_strsplit(typename,
3301 ACCEL_CLASS_SUFFIX, 0);
3302 printf("%s\n", optname[0]);
Pan Nengyuan49036022020-01-10 17:17:09 +08003303 g_strfreev(optname);
Wainer dos Santos Moschettacbe6d632019-05-30 17:57:55 -04003304 }
3305 g_free(typename);
3306 }
3307 g_slist_free(accel_list);
Thomas Hutha20fa792017-06-08 07:20:57 +02003308 exit(0);
KONRAD Frederic8d4e9142017-02-23 18:29:08 +00003309 }
3310 break;
bellardbb36d472005-11-05 14:22:28 +00003311 case QEMU_OPTION_usb:
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04003312 qdict_put_str(machine_opts_dict, "usb", "on");
bellardbb36d472005-11-05 14:22:28 +00003313 break;
bellarda594cfb2005-11-06 16:13:29 +00003314 case QEMU_OPTION_usbdevice:
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04003315 qdict_put_str(machine_opts_dict, "usb", "on");
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02003316 add_device_config(DEV_USB, optarg);
3317 break;
3318 case QEMU_OPTION_device:
Kevin Wolf5dacda52021-10-08 15:34:42 +02003319 if (optarg[0] == '{') {
3320 QObject *obj = qobject_from_json(optarg, &error_fatal);
3321 DeviceOption *opt = g_new0(DeviceOption, 1);
3322 opt->opts = qobject_to(QDict, obj);
3323 loc_save(&opt->loc);
3324 assert(opt->opts != NULL);
3325 QTAILQ_INSERT_TAIL(&device_opts, opt, next);
3326 } else {
3327 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3328 optarg, true)) {
3329 exit(1);
3330 }
Gerd Hoffmannf31d07d2009-07-31 12:25:37 +02003331 }
bellarda594cfb2005-11-06 16:13:29 +00003332 break;
bellard6a00d602005-11-21 23:25:50 +00003333 case QEMU_OPTION_smp:
Markus Armbrusterf9dfae92021-07-20 14:54:07 +02003334 machine_parse_property_opt(qemu_find_opts("smp-opts"),
3335 "smp", optarg);
bellard6a00d602005-11-21 23:25:50 +00003336 break;
Marcel Apfelbaum99efa842015-01-11 12:56:51 +02003337 case QEMU_OPTION_vnc:
Paolo Bonzini653c9742021-01-20 15:42:35 +01003338 vnc_parse(optarg);
Jes Sorensen821601e2011-03-16 13:33:36 +01003339 break;
bellard6515b202006-05-03 22:02:44 +00003340 case QEMU_OPTION_no_acpi:
Thomas Huthfffa36b2023-02-24 10:05:43 +01003341 warn_report("-no-acpi is deprecated, use '-machine acpi=off' instead");
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04003342 qdict_put_str(machine_opts_dict, "acpi", "off");
bellard6515b202006-05-03 22:02:44 +00003343 break;
aliguori16b29ae2008-12-17 23:28:44 +00003344 case QEMU_OPTION_no_hpet:
Thomas Huthdf373302022-12-29 12:49:13 +01003345 warn_report("-no-hpet is deprecated, use '-machine hpet=off' instead");
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04003346 qdict_put_str(machine_opts_dict, "hpet", "off");
aliguori16b29ae2008-12-17 23:28:44 +00003347 break;
bellardd1beab82006-10-02 19:44:22 +00003348 case QEMU_OPTION_no_reboot:
Alejandro Jimenez2a5ad602020-12-11 11:52:41 -05003349 olist = qemu_find_opts("action");
3350 qemu_opts_parse_noisily(olist, "reboot=shutdown", false);
bellardd1beab82006-10-02 19:44:22 +00003351 break;
aurel32b2f76162008-04-11 21:35:52 +00003352 case QEMU_OPTION_no_shutdown:
Alejandro Jimenez2a5ad602020-12-11 11:52:41 -05003353 olist = qemu_find_opts("action");
Paolo Bonzinic27025e2021-01-20 14:30:27 +01003354 qemu_opts_parse_noisily(olist, "shutdown=pause", false);
aurel32b2f76162008-04-11 21:35:52 +00003355 break;
blueswir18fcb1b92008-09-18 18:29:08 +00003356 case QEMU_OPTION_uuid:
Fam Zheng9c5ce8d2016-09-21 12:27:22 +08003357 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
Eduardo Habkost4cd70f32015-10-30 13:07:56 -02003358 error_report("failed to parse UUID string: wrong format");
blueswir18fcb1b92008-09-18 18:29:08 +00003359 exit(1);
3360 }
Markus Armbrusterfc3b3292013-08-16 15:18:31 +02003361 qemu_uuid_set = true;
blueswir18fcb1b92008-09-18 18:29:08 +00003362 break;
Marcel Apfelbaum99efa842015-01-11 12:56:51 +02003363 case QEMU_OPTION_option_rom:
3364 if (nb_option_roms >= MAX_OPTION_ROMS) {
Eduardo Habkost3e515372015-10-30 13:07:58 -02003365 error_report("too many option ROMs");
Marcel Apfelbaum99efa842015-01-11 12:56:51 +02003366 exit(1);
3367 }
Markus Armbruster70b94332015-02-13 12:50:26 +01003368 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3369 optarg, true);
Markus Armbruster49295eb2013-02-08 21:22:19 +01003370 if (!opts) {
3371 exit(1);
3372 }
Gleb Natapov2e55e842010-12-08 13:35:07 +02003373 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3374 option_rom[nb_option_roms].bootindex =
3375 qemu_opt_get_number(opts, "bootindex", -1);
3376 if (!option_rom[nb_option_roms].name) {
Eduardo Habkostf61eddc2015-10-30 13:07:52 -02003377 error_report("Option ROM file is not specified");
Gleb Natapov2e55e842010-12-08 13:35:07 +02003378 exit(1);
3379 }
Marcel Apfelbaum99efa842015-01-11 12:56:51 +02003380 nb_option_roms++;
3381 break;
pbrook8e716212007-01-20 17:12:09 +00003382 case QEMU_OPTION_semihosting:
Alex Bennéef1672e62019-05-13 14:43:57 +01003383 qemu_semihosting_enable();
Liviu Ionescua38bb072014-12-11 12:07:48 +00003384 break;
3385 case QEMU_OPTION_semihosting_config:
Alex Bennéef1672e62019-05-13 14:43:57 +01003386 if (qemu_semihosting_config_options(optarg) != 0) {
Liviu Ionescua38bb072014-12-11 12:07:48 +00003387 exit(1);
3388 }
pbrook8e716212007-01-20 17:12:09 +00003389 break;
thsc35734b2007-03-19 15:17:08 +00003390 case QEMU_OPTION_name:
Markus Armbruster70b94332015-02-13 12:50:26 +01003391 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3392 optarg, true);
Dr. David Alan Gilbert5d12f962014-01-30 10:20:30 +00003393 if (!opts) {
3394 exit(1);
3395 }
Mario Smarduch2880ffb2020-06-26 13:19:00 -07003396 /* Capture guest name if -msg guest-name is used later */
3397 error_guest_name = qemu_opt_get(opts, "guest");
thsc35734b2007-03-19 15:17:08 +00003398 break;
blueswir166508602007-05-01 14:16:52 +00003399 case QEMU_OPTION_prom_env:
3400 if (nb_prom_envs >= MAX_PROM_ENVS) {
Eduardo Habkost3e515372015-10-30 13:07:58 -02003401 error_report("too many prom variables");
blueswir166508602007-05-01 14:16:52 +00003402 exit(1);
3403 }
3404 prom_envs[nb_prom_envs] = optarg;
3405 nb_prom_envs++;
3406 break;
balrog2b8f2d42007-07-27 22:08:46 +00003407 case QEMU_OPTION_old_param:
3408 old_param = 1;
ths05ebd532008-01-08 19:32:16 +00003409 break;
Jan Kiszka1ed2fc12009-09-15 13:36:04 +02003410 case QEMU_OPTION_rtc:
Markus Armbruster70b94332015-02-13 12:50:26 +01003411 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3412 false);
Jan Kiszka1ed2fc12009-09-15 13:36:04 +02003413 if (!opts) {
Jan Kiszka1ed2fc12009-09-15 13:36:04 +02003414 exit(1);
bellard7e0af5d02007-11-07 16:24:33 +00003415 }
3416 break;
pbrook2e70f6e2008-06-29 01:03:05 +00003417 case QEMU_OPTION_icount:
Markus Armbruster70b94332015-02-13 12:50:26 +01003418 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3419 optarg, true);
Sebastian Tanase1ad95802014-07-25 11:56:28 +02003420 if (!icount_opts) {
3421 exit(1);
3422 }
pbrook2e70f6e2008-06-29 01:03:05 +00003423 break;
aliguori5bb79102008-10-13 03:12:02 +00003424 case QEMU_OPTION_incoming:
Dr. David Alan Gilbert7c762352015-02-26 14:16:06 +00003425 if (!incoming) {
3426 runstate_set(RUN_STATE_INMIGRATE);
3427 }
aliguori5bb79102008-10-13 03:12:02 +00003428 incoming = optarg;
3429 break;
Ashijeet Acharyad15c05f2017-01-16 17:01:51 +05303430 case QEMU_OPTION_only_migratable:
Markus Armbruster811f8652019-04-01 11:08:24 +02003431 only_migratable = 1;
Ashijeet Acharyad15c05f2017-01-16 17:01:51 +05303432 break;
Gerd Hoffmannd8c208d2009-12-08 13:11:46 +01003433 case QEMU_OPTION_nodefaults:
Mark Wud44229c2014-03-10 22:37:40 +08003434 has_defaults = 0;
Gerd Hoffmannd8c208d2009-12-08 13:11:46 +01003435 break;
aliguorie37630c2009-04-22 15:19:10 +00003436 case QEMU_OPTION_xen_domid:
Paul Durrant7058fa02023-01-24 10:59:49 +00003437 if (!(accel_find("xen")) && !(accel_find("kvm"))) {
Markus Armbrusterda002522016-05-31 10:31:38 +02003438 error_report("Option not supported for this target");
Blue Swirlad960902010-03-29 19:23:52 +00003439 exit(1);
3440 }
aliguorie37630c2009-04-22 15:19:10 +00003441 xen_domid = atoi(optarg);
3442 break;
aliguorie37630c2009-04-22 15:19:10 +00003443 case QEMU_OPTION_xen_attach:
Peter Maydell6773fbf2021-07-30 11:59:40 +01003444 if (!(accel_find("xen"))) {
Markus Armbrusterda002522016-05-31 10:31:38 +02003445 error_report("Option not supported for this target");
Blue Swirlad960902010-03-29 19:23:52 +00003446 exit(1);
3447 }
aliguorie37630c2009-04-22 15:19:10 +00003448 xen_mode = XEN_ATTACH;
3449 break;
Paul Durrant1c599472017-03-22 09:39:15 +00003450 case QEMU_OPTION_xen_domid_restrict:
Peter Maydell6773fbf2021-07-30 11:59:40 +01003451 if (!(accel_find("xen"))) {
Paul Durrant1c599472017-03-22 09:39:15 +00003452 error_report("Option not supported for this target");
3453 exit(1);
3454 }
3455 xen_domid_restrict = true;
3456 break;
Prerna Saxenaab6540d2010-08-09 11:48:32 +01003457 case QEMU_OPTION_trace:
Paolo Bonzini92eecff2020-11-02 06:58:41 -05003458 trace_opt_parse(optarg);
Prerna Saxenaab6540d2010-08-09 11:48:32 +01003459 break;
Lluís Vilanova42229a72017-07-24 17:28:22 +03003460 case QEMU_OPTION_plugin:
3461 qemu_plugin_opt_parse(optarg, &plugin_list);
3462 break;
Gerd Hoffmann715a6642009-10-14 10:39:28 +02003463 case QEMU_OPTION_readconfig:
Paolo Bonzinic0d4aa82021-05-24 06:57:51 -04003464 qemu_read_config_file(optarg, qemu_parse_config_group, &error_fatal);
Paolo Bonzinif7544ed2021-02-26 12:08:16 -05003465 break;
Marc-André Lureau5324e3e2021-09-09 12:44:11 +04003466#ifdef CONFIG_SPICE
Gerd Hoffmann29b00402010-03-11 11:13:27 -03003467 case QEMU_OPTION_spice:
Gerd Hoffmann9ed345a2020-10-19 09:52:19 +02003468 olist = qemu_find_opts_err("spice", NULL);
3469 if (!olist) {
Eduardo Habkost5dfdae82015-10-30 13:08:02 -02003470 error_report("spice support is disabled");
Gerd Hoffmann29b00402010-03-11 11:13:27 -03003471 exit(1);
3472 }
Markus Armbruster70b94332015-02-13 12:50:26 +01003473 opts = qemu_opts_parse_noisily(olist, optarg, false);
Gerd Hoffmann29b00402010-03-11 11:13:27 -03003474 if (!opts) {
Gerd Hoffmann29b00402010-03-11 11:13:27 -03003475 exit(1);
3476 }
Gerd Hoffmannf963e4d2013-02-25 16:02:30 +01003477 display_remote++;
Gerd Hoffmann29b00402010-03-11 11:13:27 -03003478 break;
Marc-André Lureau5324e3e2021-09-09 12:44:11 +04003479#endif
Anthony Liguoric7f0f3b2012-03-28 15:42:02 +02003480 case QEMU_OPTION_qtest:
3481 qtest_chrdev = optarg;
3482 break;
3483 case QEMU_OPTION_qtest_log:
3484 qtest_log = optarg;
3485 break;
Eduardo Otubo7d76ad42012-08-14 18:44:08 -03003486 case QEMU_OPTION_sandbox:
Marc-André Lureau2bb814a2019-04-29 15:47:57 +02003487 olist = qemu_find_opts("sandbox");
3488 if (!olist) {
3489#ifndef CONFIG_SECCOMP
3490 error_report("-sandbox support is not enabled "
3491 "in this QEMU binary");
3492#endif
3493 exit(1);
3494 }
3495
3496 opts = qemu_opts_parse_noisily(olist, optarg, true);
Eduardo Otubo7d76ad42012-08-14 18:44:08 -03003497 if (!opts) {
Markus Armbruster49295eb2013-02-08 21:22:19 +01003498 exit(1);
Eduardo Otubo7d76ad42012-08-14 18:44:08 -03003499 }
3500 break;
Corey Bryant587ed6b2012-10-18 15:19:34 -04003501 case QEMU_OPTION_add_fd:
3502#ifndef _WIN32
Markus Armbruster70b94332015-02-13 12:50:26 +01003503 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3504 optarg, false);
Corey Bryant587ed6b2012-10-18 15:19:34 -04003505 if (!opts) {
Markus Armbruster49295eb2013-02-08 21:22:19 +01003506 exit(1);
Corey Bryant587ed6b2012-10-18 15:19:34 -04003507 }
3508#else
3509 error_report("File descriptor passing is disabled on this "
3510 "platform");
3511 exit(1);
3512#endif
3513 break;
Anthony Liguori68d98d32012-06-25 14:36:33 -05003514 case QEMU_OPTION_object:
Paolo Bonzinibc2f4fc2021-03-12 12:35:46 -05003515 object_option_parse(optarg);
Anthony Liguori68d98d32012-06-25 14:36:33 -05003516 break;
Michael S. Tsirkin6f131f12018-06-22 22:22:05 +03003517 case QEMU_OPTION_overcommit:
3518 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3519 optarg, false);
3520 if (!opts) {
3521 exit(1);
3522 }
Thomas Huthc8c9dc42020-12-10 16:58:07 +01003523 enable_mlock = qemu_opt_get_bool(opts, "mem-lock", false);
Michael S. Tsirkin6f131f12018-06-22 22:22:05 +03003524 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
Satoru Moriya888a6bc2013-04-19 16:42:06 +02003525 break;
Markus Armbruster6dd75472021-03-18 16:55:10 +01003526 case QEMU_OPTION_compat:
3527 {
3528 CompatPolicy *opts;
3529 Visitor *v;
3530
3531 v = qobject_input_visitor_new_str(optarg, NULL,
3532 &error_fatal);
3533
3534 visit_type_CompatPolicy(v, NULL, &opts, &error_fatal);
3535 QAPI_CLONE_MEMBERS(CompatPolicy, &compat_policy, opts);
3536
3537 qapi_free_CompatPolicy(opts);
3538 visit_free(v);
3539 break;
3540 }
Seiji Aguchi5e2ac512013-07-03 23:02:46 -04003541 case QEMU_OPTION_msg:
Markus Armbruster70b94332015-02-13 12:50:26 +01003542 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3543 false);
Seiji Aguchi5e2ac512013-07-03 23:02:46 -04003544 if (!opts) {
3545 exit(1);
3546 }
3547 configure_msg(opts);
3548 break;
Amit Shahabfd9ce2014-06-20 18:56:08 +05303549 case QEMU_OPTION_dump_vmstate:
Gonglei522abf62014-10-29 20:49:43 +08003550 if (vmstate_dump_file) {
Eduardo Habkostf61eddc2015-10-30 13:07:52 -02003551 error_report("only one '-dump-vmstate' "
3552 "option may be given");
Gonglei522abf62014-10-29 20:49:43 +08003553 exit(1);
3554 }
Amit Shahabfd9ce2014-06-20 18:56:08 +05303555 vmstate_dump_file = fopen(optarg, "w");
3556 if (vmstate_dump_file == NULL) {
Eduardo Habkostf61eddc2015-10-30 13:07:52 -02003557 error_report("open %s: %s", optarg, strerror(errno));
Amit Shahabfd9ce2014-06-20 18:56:08 +05303558 exit(1);
3559 }
3560 break;
Emilio G. Cota12df1892018-08-15 11:42:49 -04003561 case QEMU_OPTION_enable_sync_profile:
3562 qsp_enable();
3563 break;
Michal Privoznikaec0d0e2018-05-14 15:45:45 +02003564 case QEMU_OPTION_nouserconfig:
3565 /* Nothing to be parsed here. Especially, do not error out below. */
3566 break;
Michael Tokarev8a768db2023-09-01 13:12:58 +03003567#if defined(CONFIG_POSIX)
3568 case QEMU_OPTION_runas:
3569 if (!os_set_runas(optarg)) {
3570 error_report("User \"%s\" doesn't exist"
3571 " (and is not <uid>:<gid>)",
3572 optarg);
Thomas Huth1217d6ca2018-05-04 19:01:07 +02003573 exit(1);
3574 }
Michael Tokarev8a768db2023-09-01 13:12:58 +03003575 break;
3576 case QEMU_OPTION_chroot:
3577 warn_report("option is deprecated,"
3578 " use '-run-with chroot=...' instead");
3579 os_set_chroot(optarg);
3580 break;
3581 case QEMU_OPTION_daemonize:
3582 os_set_daemonize(true);
3583 break;
3584#if defined(CONFIG_LINUX)
3585 /* deprecated */
3586 case QEMU_OPTION_asyncteardown:
3587 init_async_teardown();
3588 break;
3589#endif
3590 case QEMU_OPTION_run_with: {
3591 const char *str;
3592 opts = qemu_opts_parse_noisily(qemu_find_opts("run-with"),
3593 optarg, false);
3594 if (!opts) {
3595 exit(1);
3596 }
3597#if defined(CONFIG_LINUX)
3598 if (qemu_opt_get_bool(opts, "async-teardown", false)) {
3599 init_async_teardown();
3600 }
3601#endif
3602 str = qemu_opt_get(opts, "chroot");
3603 if (str) {
3604 os_set_chroot(str);
3605 }
3606 break;
3607 }
3608#endif /* CONFIG_POSIX */
3609
3610 default:
3611 error_report("Option not supported in this build");
3612 exit(1);
bellardcd6f1162004-05-13 22:02:20 +00003613 }
bellard0824d6f2003-06-24 13:42:40 +00003614 }
3615 }
Eduardo Habkost43fa1e02016-02-12 17:02:25 -02003616 /*
3617 * Clear error location left behind by the loop.
3618 * Best done right after the loop. Do not insert code here!
3619 */
3620 loc_set_none();
Marcel Apfelbaum364c3e62015-01-07 14:11:38 +02003621
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04003622 qemu_validate_options(machine_opts_dict);
Paolo Bonzini4d2c17b2020-10-21 10:21:22 -04003623 qemu_process_sugar_options();
Paolo Bonzini58c91592020-11-03 03:45:26 -05003624
Peter Maydell3df261b2020-03-13 17:24:47 +00003625 /*
Paolo Bonzini0546c062020-10-21 05:17:39 -04003626 * These options affect everything else and should be processed
3627 * before daemonizing.
Peter Maydell3df261b2020-03-13 17:24:47 +00003628 */
Paolo Bonzini0546c062020-10-21 05:17:39 -04003629 qemu_process_early_options();
Peter Maydell3df261b2020-03-13 17:24:47 +00003630
Paolo Bonzini0546c062020-10-21 05:17:39 -04003631 qemu_process_help_options();
3632 qemu_maybe_daemonize(pid_file);
3633
Daniel Henrique Barboza10b6ee12021-01-05 15:14:37 -03003634 /*
3635 * The trace backend must be initialized after daemonizing.
3636 * trace_init_backends() will call st_init(), which will create the
3637 * trace thread in the parent, and also register st_flush_trace_buffer()
3638 * in atexit(). This function will force the parent to wait for the
3639 * writeout thread to finish, which will not occur, and the parent
3640 * process will be left in the host.
3641 */
3642 if (!trace_init_backends()) {
3643 exit(1);
3644 }
3645 trace_init_file();
3646
Paolo Bonziniefd7ab22020-10-21 05:33:40 -04003647 qemu_init_main_loop(&error_fatal);
3648 cpu_timers_init();
Peter Maydell3df261b2020-03-13 17:24:47 +00003649
Markus Armbrusterfc4a4732019-03-08 14:14:36 +01003650 user_register_global_props();
Pavel Dovgalyuk4c27b852015-09-17 19:25:18 +03003651 replay_configure(icount_opts);
3652
Artem Pisarenkoeb6a5202018-10-18 13:12:54 +06003653 configure_rtc(qemu_find_opts_singleton("rtc"));
3654
Paolo Bonzinie12f0682022-08-05 12:01:51 +02003655 /* Transfer QemuOpts options into machine options */
3656 parse_memory_options();
3657
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04003658 qemu_create_machine(machine_opts_dict);
Anthony PERARD67b724e2010-11-22 15:44:15 +00003659
Paolo Bonzini5a1ee602020-11-30 13:44:49 -05003660 suspend_mux_open();
3661
Paolo Bonzinif6502662020-10-21 06:22:39 -04003662 qemu_disable_default_devices();
3663 qemu_create_default_devices();
Paolo Bonzini64418652020-10-21 10:41:18 -04003664 qemu_create_early_backends();
Markus Armbrustercda4aa92019-03-08 14:14:40 +01003665
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04003666 qemu_apply_legacy_machine_options(machine_opts_dict);
3667 qemu_apply_machine_options(machine_opts_dict);
3668 qobject_unref(machine_opts_dict);
Paolo Bonzini2f181fb2020-11-12 09:38:36 -05003669 phase_advance(PHASE_MACHINE_CREATED);
Marcel Apfelbaum6b1b1442014-05-26 15:40:58 +03003670
Markus Armbruster0427b622019-04-01 11:08:26 +02003671 /*
3672 * Note: uses machine properties such as kernel-irqchip, must run
Paolo Bonzinid8fb7d02021-05-13 11:28:34 -04003673 * after qemu_apply_machine_options.
Markus Armbruster0427b622019-04-01 11:08:26 +02003674 */
Paolo Bonzini28a09612019-11-13 09:59:04 +01003675 configure_accelerators(argv[0]);
Paolo Bonzini2f181fb2020-11-12 09:38:36 -05003676 phase_advance(PHASE_ACCEL_CREATED);
Marcelo Tosatti214910a2009-09-18 02:41:23 -03003677
Markus Armbruster0427b622019-04-01 11:08:26 +02003678 /*
3679 * Beware, QOM objects created before this point miss global and
3680 * compat properties.
3681 *
3682 * Global properties get set up by qdev_prop_register_global(),
3683 * called from user_register_global_props(), and certain option
3684 * desugaring. Also in CPU feature desugaring (buried in
Eduardo Habkostc1c8cfe2019-04-16 23:59:40 -03003685 * parse_cpu_option()), which happens below this point, but may
Markus Armbruster0427b622019-04-01 11:08:26 +02003686 * only target the CPU type, which can only be created after
Eduardo Habkostc1c8cfe2019-04-16 23:59:40 -03003687 * parse_cpu_option() returned the type.
Markus Armbruster0427b622019-04-01 11:08:26 +02003688 *
3689 * Machine compat properties: object_set_machine_compat_props().
3690 * Accelerator compat props: object_set_accelerator_compat_props(),
Claudio Fontanab86f59c2021-02-04 17:39:25 +01003691 * called from do_configure_accelerator().
Markus Armbruster0427b622019-04-01 11:08:26 +02003692 */
3693
Paolo Bonzinif5c9fcb2020-10-27 11:04:37 -04003694 machine_class = MACHINE_GET_CLASS(current_machine);
Thomas Huth08fe6822018-06-25 11:05:12 +02003695 if (!qtest_enabled() && machine_class->deprecation_reason) {
Paolo Bonzini7adb75d2022-05-11 13:50:43 -04003696 warn_report("Machine type '%s' is deprecated: %s",
Thomas Huth08fe6822018-06-25 11:05:12 +02003697 machine_class->name, machine_class->deprecation_reason);
3698 }
3699
Markus Armbruster2fa23272019-04-01 11:08:23 +02003700 /*
Peter Xucb9d8b82023-04-19 12:17:37 -04003701 * Create backends before creating migration objects, so that it can
3702 * check against compatibilities on the backend memories (e.g. postcopy
3703 * over memory-backend-file objects).
3704 */
3705 qemu_create_late_backends();
3706
3707 /*
Markus Armbruster0427b622019-04-01 11:08:26 +02003708 * Note: creates a QOM object, must run only after global and
3709 * compat properties have been set up.
Markus Armbruster2fa23272019-04-01 11:08:23 +02003710 */
3711 migration_object_init();
3712
Igor Mammedov6063d4c2017-09-13 18:04:55 +02003713 /* parse features once if machine provides default cpu_type */
Igor Mammedov2278b932018-02-07 11:40:26 +01003714 current_machine->cpu_type = machine_class->default_cpu_type;
Eduardo Habkostc1c8cfe2019-04-16 23:59:40 -03003715 if (cpu_option) {
3716 current_machine->cpu_type = parse_cpu_option(cpu_option);
Igor Mammedov6063d4c2017-09-13 18:04:55 +02003717 }
Claudio Fontanab86f59c2021-02-04 17:39:25 +01003718 /* NB: for machine none cpu_type could STILL be NULL here! */
Igor Mammedova1b18df2020-02-19 11:08:40 -05003719
Paolo Bonzinib24986e2020-10-27 11:16:18 -04003720 qemu_resolve_machine_memdev();
Igor Mammedovd342eb72018-01-10 16:22:50 +01003721 parse_numa_opts(current_machine);
Igor Mammedov6063d4c2017-09-13 18:04:55 +02003722
Amit Shahabfd9ce2014-06-20 18:56:08 +05303723 if (vmstate_dump_file) {
3724 /* dump and exit */
Laurent Vivier40676912021-11-16 08:28:40 +01003725 module_load_qom_all();
Amit Shahabfd9ce2014-06-20 18:56:08 +05303726 dump_vmstate_json_to_file(vmstate_dump_file);
Alexander Bulekov7b733862020-02-19 23:10:58 -05003727 exit(0);
Amit Shahabfd9ce2014-06-20 18:56:08 +05303728 }
thsffd843b2006-12-21 19:46:43 +00003729
Paolo Bonzinib4e1a342020-10-27 08:44:23 -04003730 if (!preconfig_requested) {
3731 qmp_x_exit_preconfig(&error_fatal);
3732 }
Paolo Bonzinifacf7c62020-12-17 10:10:12 +01003733 qemu_init_displays();
Ian Jackson7a64c172018-03-09 12:02:50 +00003734 accel_setup_post(current_machine);
Jes Sorenseneb505be2010-06-10 11:42:28 +02003735 os_setup_post();
Paolo Bonzini5a1ee602020-11-30 13:44:49 -05003736 resume_mux_open();
Alexander Bulekov7b733862020-02-19 23:10:58 -05003737}