palacios/src/palacios/vmm_config.c

   1 #include <palacios/vmm_config.h>
   2 #include <palacios/vmm.h>
   3 #include <palacios/vmm_debug.h>
   4
   5
   6 #include <devices/serial.h>
   7 #include <devices/keyboard.h>
   8 #include <devices/8259a.h>
   9 #include <devices/8254.h>
  10 #include <devices/nvram.h>
  11 #include <devices/generic.h>
  12
  13
  14 static int passthrough_mem_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
  15   //  memcpy(dst, (void*)guest_addr, length);
  16   int foo = 20;
  17
  18
  19   memcpy(dst, &foo, length);
  20
  21   PrintDebug("Passthrough mem read returning: %d (length=%d)\n", foo + (guest_addr & 0xfff), length);
  22   return length;
  23 }
  24
  25 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
  26   memcpy((void*)guest_addr, src, length);
  27   return length;
  28 }
  29
  30
  31
  32 int config_guest(struct guest_info * info, void * config_ptr) {
  33
  34   struct guest_mem_layout * layout = (struct guest_mem_layout *)config_ptr;
  35   extern v3_cpu_arch_t v3_cpu_type;
  36   void * region_start;
  37   int i;
  38
  39
  40   v3_init_time(info);
  41   init_shadow_map(info);
  42
  43   if (v3_cpu_type == V3_SVM_REV3_CPU) {
  44     info->shdw_pg_mode = NESTED_PAGING;
  45   } else {
  46     init_shadow_page_state(info);
  47     info->shdw_pg_mode = SHADOW_PAGING;
  48   }
  49
  50   info->cpu_mode = REAL;
  51   info->mem_mode = PHYSICAL_MEM;
  52
  53
  54   init_vmm_io_map(info);
  55   init_interrupt_state(info);
  56
  57   dev_mgr_init(info);
  58
  59   init_emulator(info);
  60
  61
  62   //     SerialPrint("Guest Mem Dump at 0x%x\n", 0x100000);
  63   //PrintDebugMemDump((unsigned char *)(0x100000), 261 * 1024);
  64   if (layout->magic != MAGIC_CODE) {
  65
  66     PrintDebug("Layout Magic Mismatch (0x%x)\n", layout->magic);
  67     return -1;
  68   }
  69
  70   PrintDebug("%d layout regions\n", layout->num_regions);
  71
  72   region_start = (void *)&(layout->regions[layout->num_regions]);
  73
  74   PrintDebug("region start = 0x%x\n", region_start);
  75
  76   for (i = 0; i < layout->num_regions; i++) {
  77     struct layout_region * reg = &(layout->regions[i]);
  78     uint_t num_pages = (reg->length / PAGE_SIZE) + ((reg->length % PAGE_SIZE) ? 1 : 0);
  79     void * guest_mem = V3_AllocPages(num_pages);
  80
  81     PrintDebug("Layout Region %d bytes\n", reg->length);
  82     memcpy(guest_mem, region_start, reg->length);
  83
  84     PrintDebugMemDump((unsigned char *)(guest_mem), 16);
  85
  86     add_shadow_region_passthrough(info, reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
  87
  88     PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), guest_mem);
  89
  90     region_start += reg->length;
  91   }
  92
  93       //
  94   add_shadow_region_passthrough(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160));
  95
  96   add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000);
  97   //hook_guest_mem(info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL);
  98
  99
 100   // TEMP
 101   //add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
 102
 103   if (1) {
 104     add_shadow_region_passthrough(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1));
 105     if (add_shadow_region_passthrough(info, 0xc8000, 0xf0000, (addr_t)V3_AllocPages(40)) == -1) {
 106       PrintDebug("Error adding shadow region\n");
 107     }
 108   } else {
 109     add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
 110     add_shadow_region_passthrough(info, 0xc8000, 0xf0000, 0xc8000);
 111   }
 112
 113
 114
 115   //  add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
 116   {
 117     /* MEMORY HOOK TEST */
 118     add_shadow_region_passthrough(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304));
 119     hook_guest_mem(info, 0xa00000, 0xa01000, passthrough_mem_read, passthrough_mem_write, NULL);
 120
 121     add_shadow_region_passthrough(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791));
 122
 123   }
 124     add_shadow_region_passthrough(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768));
 125
 126   // test - give linux accesss to PCI space - PAD
 127   add_shadow_region_passthrough(info, 0xc0000000,0xffffffff,0xc0000000);
 128
 129
 130   print_shadow_map(&(info->mem_map));
 131
 132
 133   {
 134
 135     struct vm_device * nvram = create_nvram();
 136     //struct vm_device * timer = create_timer();
 137     struct vm_device * pic = create_pic();
 138     struct vm_device * keyboard = create_keyboard();
 139     struct vm_device * pit = create_pit();
 140     //struct vm_device * serial = create_serial();
 141
 142
 143 #define GENERIC 1
 144
 145 #if GENERIC
 146     generic_port_range_type range[] = {
 147 #if 1
 148       // Make the DMA controller invisible
 149
 150       {0x00, 0x07, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channels 0,1,2,3 (address, counter)
 151       {0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channels 4,5,6,7 (address, counter)
 152       {0x87, 0x87, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 0 page register
 153       {0x83, 0x83, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 1 page register
 154       {0x81, 0x81, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 2 page register
 155       {0x82, 0x82, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 3 page register
 156       {0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 4 page register
 157       {0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 5 page register
 158       {0x89, 0x89, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 6 page register
 159       {0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 7 page register
 160       {0x08, 0x0f, GENERIC_PRINT_AND_IGNORE},   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 161       {0xd0, 0xde, GENERIC_PRINT_AND_IGNORE},   // DMA 2 misc registers
 162 #endif
 163
 164
 165 #if 0
 166       // Make the Serial ports invisible
 167
 168       {0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 1
 169       {0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 2
 170       {0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 3
 171       {0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 4
 172 #endif
 173
 174
 175 #if 1
 176       // Make the PCI bus invisible (at least it's configuration)
 177
 178       {0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE}, // PCI Config Address
 179       {0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE}, // PCI Config Data
 180 #endif
 181
 182 #if 0
 183
 184       // Monitor the IDE controllers (very slow)
 185
 186       {0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
 187       {0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
 188       {0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
 189       {0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
 190 #endif
 191
 192
 193 #if 0
 194
 195       // Make the floppy controllers invisible
 196
 197       {0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (base,statusa/statusb,DOR)
 198       {0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (mainstat/datarate,data)
 199       {0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (DIR)
 200       {0x370, 0x372, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (base,statusa/statusb,DOR)
 201       {0x374, 0x375, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (mainstat/datarate,data)
 202       {0x377, 0x377, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (DIR)
 203
 204 #endif
 205
 206 #if 1
 207
 208       // Make the parallel port invisible
 209
 210       {0x378, 0x37f, GENERIC_PRINT_AND_IGNORE},
 211
 212 #endif
 213
 214 #if 1
 215
 216       // Monitor graphics card operations
 217
 218       {0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH},
 219       {0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH},
 220
 221 #endif
 222
 223
 224 #if 1
 225       // Make the ISA PNP features invisible
 226
 227       {0x274, 0x277, GENERIC_PRINT_AND_IGNORE},
 228       {0x279, 0x279, GENERIC_PRINT_AND_IGNORE},
 229       {0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE},
 230 #endif
 231
 232
 233 #if 1
 234       // Monitor any network card (realtek ne2000) operations
 235       {0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH},
 236 #endif
 237
 238
 239 #if 1
 240       // Make any Bus master ide controller invisible
 241
 242       {0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE},
 243 #endif
 244
 245
 246       //          {0x378, 0x400, GENERIC_PRINT_AND_IGNORE}
 247
 248       {0,0,0},  // sentinal - must be last
 249
 250     };
 251
 252
 253     struct vm_device * generic = create_generic(range, NULL, NULL);
 254
 255 #endif
 256
 257     v3_attach_device(info, nvram);
 258     //v3_attach_device(info, timer);
 259     v3_attach_device(info, pic);
 260     v3_attach_device(info, pit);
 261     v3_attach_device(info, keyboard);
 262     // v3_attach_device(info, serial);
 263
 264
 265 #if GENERIC
 266     // Important that this be attached last!
 267     v3_attach_device(info, generic);
 268
 269 #endif
 270
 271     PrintDebugDevMgr(info);
 272   }
 273
 274   // give keyboard interrupts to vm
 275   // no longer needed since we have a keyboard device
 276   //hook_irq(&vm_info, 1);
 277
 278 #if 1
 279   // give floppy controller to vm
 280   v3_hook_irq_for_guest_injection(info, 6);
 281 #endif
 282
 283 #if 1
 284   //primary ide
 285   v3_hook_irq_for_guest_injection(info, 14);
 286
 287   // secondary ide
 288   v3_hook_irq_for_guest_injection(info, 15);
 289 #endif
 290
 291
 292   info->rip = 0xfff0;
 293   info->vm_regs.rsp = 0x0;
 294
 295
 296   return 0;
 297 }
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320 #if 0
 321
 322
 323     if (0) {
 324
 325       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x800000, 0x10000);
 326       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x1000000, 0);
 327
 328       rip = (ulong_t)(void*)&BuzzVM;
 329       //  rip -= 0x10000;
 330       //    rip = (addr_t)(void*)&exit_test;
 331       //  rip -= 0x2000;
 332       vm_info.rip = rip;
 333       rsp = (addr_t)Alloc_Page();
 334
 335       vm_info.vm_regs.rsp = (rsp +4092 );// - 0x2000;
 336
 337
 338     } else if (0) {
 339       //add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x1000, 0x100000);
 340       //      add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x100000, 0x0);
 341
 342       /*
 343         shadow_region_t *ent = Malloc(sizeof(shadow_region_t));;
 344         init_shadow_region_physical(ent,0,0x100000,GUEST_REGION_PHYSICAL_MEMORY,
 345         0x100000, HOST_REGION_PHYSICAL_MEMORY);
 346         add_shadow_region(&(vm_info.mem_map),ent);
 347       */
 348
 349       add_shadow_region_passthrough(&vm_info, 0x0, 0x100000, 0x100000);
 350
 351       v3_hook_io_port(&vm_info, 0x61, &IO_Read, &IO_Write, NULL);
 352       v3_hook_io_port(&vm_info, 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
 353
 354       /*
 355         vm_info.cr0 = 0;
 356         vm_info.cs.base=0xf000;
 357         vm_info.cs.limit=0xffff;
 358       */
 359       //vm_info.rip = 0xfff0;
 360
 361       vm_info.rip = 0;
 362       vm_info.vm_regs.rsp = 0x0;
 363     } else {
 364
 365     }
 366
 367 #endif