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