block: User BdrvChild callback for device name
[qemu.git] / arch_init.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
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.
23 */
24 #include "qemu/osdep.h"
25 #include "sysemu/sysemu.h"
26 #include "sysemu/arch_init.h"
27 #include "hw/pci/pci.h"
28 #include "hw/audio/audio.h"
29 #include "hw/smbios/smbios.h"
30 #include "qemu/config-file.h"
31 #include "qemu/error-report.h"
32 #include "qmp-commands.h"
33 #include "hw/acpi/acpi.h"
34 #include "qemu/help_option.h"
35
36 #ifdef TARGET_SPARC
37 int graphic_width = 1024;
38 int graphic_height = 768;
39 int graphic_depth = 8;
40 #else
41 int graphic_width = 800;
42 int graphic_height = 600;
43 int graphic_depth = 32;
44 #endif
45
46
47 #if defined(TARGET_ALPHA)
48 #define QEMU_ARCH QEMU_ARCH_ALPHA
49 #elif defined(TARGET_ARM)
50 #define QEMU_ARCH QEMU_ARCH_ARM
51 #elif defined(TARGET_CRIS)
52 #define QEMU_ARCH QEMU_ARCH_CRIS
53 #elif defined(TARGET_I386)
54 #define QEMU_ARCH QEMU_ARCH_I386
55 #elif defined(TARGET_M68K)
56 #define QEMU_ARCH QEMU_ARCH_M68K
57 #elif defined(TARGET_LM32)
58 #define QEMU_ARCH QEMU_ARCH_LM32
59 #elif defined(TARGET_MICROBLAZE)
60 #define QEMU_ARCH QEMU_ARCH_MICROBLAZE
61 #elif defined(TARGET_MIPS)
62 #define QEMU_ARCH QEMU_ARCH_MIPS
63 #elif defined(TARGET_MOXIE)
64 #define QEMU_ARCH QEMU_ARCH_MOXIE
65 #elif defined(TARGET_OPENRISC)
66 #define QEMU_ARCH QEMU_ARCH_OPENRISC
67 #elif defined(TARGET_PPC)
68 #define QEMU_ARCH QEMU_ARCH_PPC
69 #elif defined(TARGET_S390X)
70 #define QEMU_ARCH QEMU_ARCH_S390X
71 #elif defined(TARGET_SH4)
72 #define QEMU_ARCH QEMU_ARCH_SH4
73 #elif defined(TARGET_SPARC)
74 #define QEMU_ARCH QEMU_ARCH_SPARC
75 #elif defined(TARGET_XTENSA)
76 #define QEMU_ARCH QEMU_ARCH_XTENSA
77 #elif defined(TARGET_UNICORE32)
78 #define QEMU_ARCH QEMU_ARCH_UNICORE32
79 #elif defined(TARGET_TRICORE)
80 #define QEMU_ARCH QEMU_ARCH_TRICORE
81 #endif
82
83 const uint32_t arch_type = QEMU_ARCH;
84
85 static struct defconfig_file {
86 const char *filename;
87 /* Indicates it is an user config file (disabled by -no-user-config) */
88 bool userconfig;
89 } default_config_files[] = {
90 { CONFIG_QEMU_CONFDIR "/qemu.conf", true },
91 { NULL }, /* end of list */
92 };
93
94 int qemu_read_default_config_files(bool userconfig)
95 {
96 int ret;
97 struct defconfig_file *f;
98
99 for (f = default_config_files; f->filename; f++) {
100 if (!userconfig && f->userconfig) {
101 continue;
102 }
103 ret = qemu_read_config_file(f->filename);
104 if (ret < 0 && ret != -ENOENT) {
105 return ret;
106 }
107 }
108
109 return 0;
110 }
111
112 struct soundhw {
113 const char *name;
114 const char *descr;
115 int enabled;
116 int isa;
117 union {
118 int (*init_isa) (ISABus *bus);
119 int (*init_pci) (PCIBus *bus);
120 } init;
121 };
122
123 static struct soundhw soundhw[9];
124 static int soundhw_count;
125
126 void isa_register_soundhw(const char *name, const char *descr,
127 int (*init_isa)(ISABus *bus))
128 {
129 assert(soundhw_count < ARRAY_SIZE(soundhw) - 1);
130 soundhw[soundhw_count].name = name;
131 soundhw[soundhw_count].descr = descr;
132 soundhw[soundhw_count].isa = 1;
133 soundhw[soundhw_count].init.init_isa = init_isa;
134 soundhw_count++;
135 }
136
137 void pci_register_soundhw(const char *name, const char *descr,
138 int (*init_pci)(PCIBus *bus))
139 {
140 assert(soundhw_count < ARRAY_SIZE(soundhw) - 1);
141 soundhw[soundhw_count].name = name;
142 soundhw[soundhw_count].descr = descr;
143 soundhw[soundhw_count].isa = 0;
144 soundhw[soundhw_count].init.init_pci = init_pci;
145 soundhw_count++;
146 }
147
148 void select_soundhw(const char *optarg)
149 {
150 struct soundhw *c;
151
152 if (is_help_option(optarg)) {
153 show_valid_cards:
154
155 if (soundhw_count) {
156 printf("Valid sound card names (comma separated):\n");
157 for (c = soundhw; c->name; ++c) {
158 printf ("%-11s %s\n", c->name, c->descr);
159 }
160 printf("\n-soundhw all will enable all of the above\n");
161 } else {
162 printf("Machine has no user-selectable audio hardware "
163 "(it may or may not have always-present audio hardware).\n");
164 }
165 exit(!is_help_option(optarg));
166 }
167 else {
168 size_t l;
169 const char *p;
170 char *e;
171 int bad_card = 0;
172
173 if (!strcmp(optarg, "all")) {
174 for (c = soundhw; c->name; ++c) {
175 c->enabled = 1;
176 }
177 return;
178 }
179
180 p = optarg;
181 while (*p) {
182 e = strchr(p, ',');
183 l = !e ? strlen(p) : (size_t) (e - p);
184
185 for (c = soundhw; c->name; ++c) {
186 if (!strncmp(c->name, p, l) && !c->name[l]) {
187 c->enabled = 1;
188 break;
189 }
190 }
191
192 if (!c->name) {
193 if (l > 80) {
194 error_report("Unknown sound card name (too big to show)");
195 }
196 else {
197 error_report("Unknown sound card name `%.*s'",
198 (int) l, p);
199 }
200 bad_card = 1;
201 }
202 p += l + (e != NULL);
203 }
204
205 if (bad_card) {
206 goto show_valid_cards;
207 }
208 }
209 }
210
211 void audio_init(void)
212 {
213 struct soundhw *c;
214 ISABus *isa_bus = (ISABus *) object_resolve_path_type("", TYPE_ISA_BUS, NULL);
215 PCIBus *pci_bus = (PCIBus *) object_resolve_path_type("", TYPE_PCI_BUS, NULL);
216
217 for (c = soundhw; c->name; ++c) {
218 if (c->enabled) {
219 if (c->isa) {
220 if (!isa_bus) {
221 error_report("ISA bus not available for %s", c->name);
222 exit(1);
223 }
224 c->init.init_isa(isa_bus);
225 } else {
226 if (!pci_bus) {
227 error_report("PCI bus not available for %s", c->name);
228 exit(1);
229 }
230 c->init.init_pci(pci_bus);
231 }
232 }
233 }
234 }
235
236 int qemu_uuid_parse(const char *str, uint8_t *uuid)
237 {
238 int ret;
239
240 if (strlen(str) != 36) {
241 return -1;
242 }
243
244 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
245 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
246 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
247 &uuid[15]);
248
249 if (ret != 16) {
250 return -1;
251 }
252 return 0;
253 }
254
255 void do_acpitable_option(const QemuOpts *opts)
256 {
257 #ifdef TARGET_I386
258 Error *err = NULL;
259
260 acpi_table_add(opts, &err);
261 if (err) {
262 error_reportf_err(err, "Wrong acpi table provided: ");
263 exit(1);
264 }
265 #endif
266 }
267
268 void do_smbios_option(QemuOpts *opts)
269 {
270 #ifdef TARGET_I386
271 smbios_entry_add(opts);
272 #endif
273 }
274
275 void cpudef_init(void)
276 {
277 #if defined(cpudef_setup)
278 cpudef_setup(); /* parse cpu definitions in target config file */
279 #endif
280 }
281
282 int kvm_available(void)
283 {
284 #ifdef CONFIG_KVM
285 return 1;
286 #else
287 return 0;
288 #endif
289 }
290
291 int xen_available(void)
292 {
293 #ifdef CONFIG_XEN
294 return 1;
295 #else
296 return 0;
297 #endif
298 }
299
300
301 TargetInfo *qmp_query_target(Error **errp)
302 {
303 TargetInfo *info = g_malloc0(sizeof(*info));
304
305 info->arch = g_strdup(TARGET_NAME);
306
307 return info;
308 }