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 <stdint.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
  35 #ifdef TARGET_SPARC
  36 int graphic_width = 1024;
  37 int graphic_height = 768;
  38 int graphic_depth = 8;
  39 #else
  40 int graphic_width = 800;
  41 int graphic_height = 600;
  42 int graphic_depth = 32;
  43 #endif
  44
  45
  46 #if defined(TARGET_ALPHA)
  47 #define QEMU_ARCH QEMU_ARCH_ALPHA
  48 #elif defined(TARGET_ARM)
  49 #define QEMU_ARCH QEMU_ARCH_ARM
  50 #elif defined(TARGET_CRIS)
  51 #define QEMU_ARCH QEMU_ARCH_CRIS
  52 #elif defined(TARGET_I386)
  53 #define QEMU_ARCH QEMU_ARCH_I386
  54 #elif defined(TARGET_M68K)
  55 #define QEMU_ARCH QEMU_ARCH_M68K
  56 #elif defined(TARGET_LM32)
  57 #define QEMU_ARCH QEMU_ARCH_LM32
  58 #elif defined(TARGET_MICROBLAZE)
  59 #define QEMU_ARCH QEMU_ARCH_MICROBLAZE
  60 #elif defined(TARGET_MIPS)
  61 #define QEMU_ARCH QEMU_ARCH_MIPS
  62 #elif defined(TARGET_MOXIE)
  63 #define QEMU_ARCH QEMU_ARCH_MOXIE
  64 #elif defined(TARGET_OPENRISC)
  65 #define QEMU_ARCH QEMU_ARCH_OPENRISC
  66 #elif defined(TARGET_PPC)
  67 #define QEMU_ARCH QEMU_ARCH_PPC
  68 #elif defined(TARGET_S390X)
  69 #define QEMU_ARCH QEMU_ARCH_S390X
  70 #elif defined(TARGET_SH4)
  71 #define QEMU_ARCH QEMU_ARCH_SH4
  72 #elif defined(TARGET_SPARC)
  73 #define QEMU_ARCH QEMU_ARCH_SPARC
  74 #elif defined(TARGET_XTENSA)
  75 #define QEMU_ARCH QEMU_ARCH_XTENSA
  76 #elif defined(TARGET_UNICORE32)
  77 #define QEMU_ARCH QEMU_ARCH_UNICORE32
  78 #elif defined(TARGET_TRICORE)
  79 #define QEMU_ARCH QEMU_ARCH_TRICORE
  80 #endif
  81
  82 const uint32_t arch_type = QEMU_ARCH;
  83
  84 static struct defconfig_file {
  85     const char *filename;
  86     /* Indicates it is an user config file (disabled by -no-user-config) */
  87     bool userconfig;
  88 } default_config_files[] = {
  89     { CONFIG_QEMU_CONFDIR "/qemu.conf",                   true },
  90     { NULL }, /* end of list */
  91 };
  92
  93 int qemu_read_default_config_files(bool userconfig)
  94 {
  95     int ret;
  96     struct defconfig_file *f;
  97
  98     for (f = default_config_files; f->filename; f++) {
  99         if (!userconfig && f->userconfig) {
 100             continue;
 101         }
 102         ret = qemu_read_config_file(f->filename);
 103         if (ret < 0 && ret != -ENOENT) {
 104             return ret;
 105         }
 106     }
 107
 108     return 0;
 109 }
 110
 111 struct soundhw {
 112     const char *name;
 113     const char *descr;
 114     int enabled;
 115     int isa;
 116     union {
 117         int (*init_isa) (ISABus *bus);
 118         int (*init_pci) (PCIBus *bus);
 119     } init;
 120 };
 121
 122 static struct soundhw soundhw[9];
 123 static int soundhw_count;
 124
 125 void isa_register_soundhw(const char *name, const char *descr,
 126                           int (*init_isa)(ISABus *bus))
 127 {
 128     assert(soundhw_count < ARRAY_SIZE(soundhw) - 1);
 129     soundhw[soundhw_count].name = name;
 130     soundhw[soundhw_count].descr = descr;
 131     soundhw[soundhw_count].isa = 1;
 132     soundhw[soundhw_count].init.init_isa = init_isa;
 133     soundhw_count++;
 134 }
 135
 136 void pci_register_soundhw(const char *name, const char *descr,
 137                           int (*init_pci)(PCIBus *bus))
 138 {
 139     assert(soundhw_count < ARRAY_SIZE(soundhw) - 1);
 140     soundhw[soundhw_count].name = name;
 141     soundhw[soundhw_count].descr = descr;
 142     soundhw[soundhw_count].isa = 0;
 143     soundhw[soundhw_count].init.init_pci = init_pci;
 144     soundhw_count++;
 145 }
 146
 147 void select_soundhw(const char *optarg)
 148 {
 149     struct soundhw *c;
 150
 151     if (is_help_option(optarg)) {
 152     show_valid_cards:
 153
 154         if (soundhw_count) {
 155              printf("Valid sound card names (comma separated):\n");
 156              for (c = soundhw; c->name; ++c) {
 157                  printf ("%-11s %s\n", c->name, c->descr);
 158              }
 159              printf("\n-soundhw all will enable all of the above\n");
 160         } else {
 161              printf("Machine has no user-selectable audio hardware "
 162                     "(it may or may not have always-present audio hardware).\n");
 163         }
 164         exit(!is_help_option(optarg));
 165     }
 166     else {
 167         size_t l;
 168         const char *p;
 169         char *e;
 170         int bad_card = 0;
 171
 172         if (!strcmp(optarg, "all")) {
 173             for (c = soundhw; c->name; ++c) {
 174                 c->enabled = 1;
 175             }
 176             return;
 177         }
 178
 179         p = optarg;
 180         while (*p) {
 181             e = strchr(p, ',');
 182             l = !e ? strlen(p) : (size_t) (e - p);
 183
 184             for (c = soundhw; c->name; ++c) {
 185                 if (!strncmp(c->name, p, l) && !c->name[l]) {
 186                     c->enabled = 1;
 187                     break;
 188                 }
 189             }
 190
 191             if (!c->name) {
 192                 if (l > 80) {
 193                     error_report("Unknown sound card name (too big to show)");
 194                 }
 195                 else {
 196                     error_report("Unknown sound card name `%.*s'",
 197                                  (int) l, p);
 198                 }
 199                 bad_card = 1;
 200             }
 201             p += l + (e != NULL);
 202         }
 203
 204         if (bad_card) {
 205             goto show_valid_cards;
 206         }
 207     }
 208 }
 209
 210 void audio_init(void)
 211 {
 212     struct soundhw *c;
 213     ISABus *isa_bus = (ISABus *) object_resolve_path_type("", TYPE_ISA_BUS, NULL);
 214     PCIBus *pci_bus = (PCIBus *) object_resolve_path_type("", TYPE_PCI_BUS, NULL);
 215
 216     for (c = soundhw; c->name; ++c) {
 217         if (c->enabled) {
 218             if (c->isa) {
 219                 if (!isa_bus) {
 220                     error_report("ISA bus not available for %s", c->name);
 221                     exit(1);
 222                 }
 223                 c->init.init_isa(isa_bus);
 224             } else {
 225                 if (!pci_bus) {
 226                     error_report("PCI bus not available for %s", c->name);
 227                     exit(1);
 228                 }
 229                 c->init.init_pci(pci_bus);
 230             }
 231         }
 232     }
 233 }
 234
 235 int qemu_uuid_parse(const char *str, uint8_t *uuid)
 236 {
 237     int ret;
 238
 239     if (strlen(str) != 36) {
 240         return -1;
 241     }
 242
 243     ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
 244                  &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
 245                  &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
 246                  &uuid[15]);
 247
 248     if (ret != 16) {
 249         return -1;
 250     }
 251     return 0;
 252 }
 253
 254 void do_acpitable_option(const QemuOpts *opts)
 255 {
 256 #ifdef TARGET_I386
 257     Error *err = NULL;
 258
 259     acpi_table_add(opts, &err);
 260     if (err) {
 261         error_report("Wrong acpi table provided: %s",
 262                      error_get_pretty(err));
 263         error_free(err);
 264         exit(1);
 265     }
 266 #endif
 267 }
 268
 269 void do_smbios_option(QemuOpts *opts)
 270 {
 271 #ifdef TARGET_I386
 272     smbios_entry_add(opts);
 273 #endif
 274 }
 275
 276 void cpudef_init(void)
 277 {
 278 #if defined(cpudef_setup)
 279     cpudef_setup(); /* parse cpu definitions in target config file */
 280 #endif
 281 }
 282
 283 int kvm_available(void)
 284 {
 285 #ifdef CONFIG_KVM
 286     return 1;
 287 #else
 288     return 0;
 289 #endif
 290 }
 291
 292 int xen_available(void)
 293 {
 294 #ifdef CONFIG_XEN
 295     return 1;
 296 #else
 297     return 0;
 298 #endif
 299 }
 300
 301
 302 TargetInfo *qmp_query_target(Error **errp)
 303 {
 304     TargetInfo *info = g_malloc0(sizeof(*info));
 305
 306     info->arch = g_strdup(TARGET_NAME);
 307
 308     return info;
 309 }