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