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
  15 static int mem_test_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
  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_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
  26     memcpy(dst, (void*)guest_addr, length);
  27     return length;
  28 }
  29
  30 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
  31   memcpy((void*)guest_addr, src, length);
  32   return length;
  33 }
  34
  35
  36
  37 int config_guest(struct guest_info * info, void * config_ptr) {
  38
  39   struct guest_mem_layout * layout = (struct guest_mem_layout *)config_ptr;
  40   extern v3_cpu_arch_t v3_cpu_type;
  41   void * region_start;
  42   int i;
  43
  44
  45   v3_init_time(info);
  46   init_shadow_map(info);
  47
  48   if (v3_cpu_type == V3_SVM_REV3_CPU) {
  49     info->shdw_pg_mode = NESTED_PAGING;
  50   } else {
  51     init_shadow_page_state(info);
  52     info->shdw_pg_mode = SHADOW_PAGING;
  53   }
  54
  55   info->cpu_mode = REAL;
  56   info->mem_mode = PHYSICAL_MEM;
  57
  58
  59   init_vmm_io_map(info);
  60   init_interrupt_state(info);
  61
  62   dev_mgr_init(info);
  63
  64   init_emulator(info);
  65
  66
  67   //     SerialPrint("Guest Mem Dump at 0x%x\n", 0x100000);
  68   //PrintDebugMemDump((unsigned char *)(0x100000), 261 * 1024);
  69   if (layout->magic != MAGIC_CODE) {
  70
  71     PrintDebug("Layout Magic Mismatch (0x%x)\n", layout->magic);
  72     return -1;
  73   }
  74
  75   PrintDebug("%d layout regions\n", layout->num_regions);
  76
  77   region_start = (void *)&(layout->regions[layout->num_regions]);
  78
  79   PrintDebug("region start = 0x%x\n", region_start);
  80
  81   for (i = 0; i < layout->num_regions; i++) {
  82     struct layout_region * reg = &(layout->regions[i]);
  83     uint_t num_pages = (reg->length / PAGE_SIZE) + ((reg->length % PAGE_SIZE) ? 1 : 0);
  84     void * guest_mem = V3_AllocPages(num_pages);
  85
  86     PrintDebug("Layout Region %d bytes\n", reg->length);
  87     memcpy(guest_mem, region_start, reg->length);
  88
  89     PrintDebugMemDump((unsigned char *)(guest_mem), 16);
  90
  91     add_shadow_region_passthrough(info, reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
  92
  93     PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), guest_mem);
  94
  95     region_start += reg->length;
  96   }
  97
  98       //
  99   add_shadow_region_passthrough(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160));
 100
 101   if (1) {
 102     add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000);
 103   } else {
 104     hook_guest_mem(info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL);
 105   }
 106
 107   // TEMP
 108   //add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
 109
 110   if (1) {
 111     add_shadow_region_passthrough(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1));
 112     if (add_shadow_region_passthrough(info, 0xc8000, 0xf0000, (addr_t)V3_AllocPages(40)) == -1) {
 113       PrintDebug("Error adding shadow region\n");
 114     }
 115   } else {
 116     add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
 117     add_shadow_region_passthrough(info, 0xc8000, 0xf0000, 0xc8000);
 118   }
 119
 120
 121   if (1) {
 122   add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
 123   } else {
 124     /* MEMORY HOOK TEST */
 125     add_shadow_region_passthrough(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304));
 126     hook_guest_mem(info, 0xa00000, 0xa01000, mem_test_read, passthrough_mem_write, NULL);
 127     add_shadow_region_passthrough(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791));
 128   }
 129
 130     add_shadow_region_passthrough(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768));
 131
 132   // test - give linux accesss to PCI space - PAD
 133   add_shadow_region_passthrough(info, 0xc0000000,0xffffffff,0xc0000000);
 134
 135
 136   print_shadow_map(&(info->mem_map));
 137
 138
 139   {
 140
 141     struct vm_device * nvram = create_nvram();
 142     //struct vm_device * timer = create_timer();
 143     struct vm_device * pic = create_pic();
 144     struct vm_device * keyboard = create_keyboard();
 145     struct vm_device * pit = create_pit();
 146     //struct vm_device * serial = create_serial();
 147
 148
 149 #define GENERIC 1
 150
 151 #if GENERIC
 152     generic_port_range_type range[] = {
 153 #if 1
 154       // Make the DMA controller invisible
 155
 156       {0x00, 0x07, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channels 0,1,2,3 (address, counter)
 157       {0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channels 4,5,6,7 (address, counter)
 158       {0x87, 0x87, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 0 page register
 159       {0x83, 0x83, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 1 page register
 160       {0x81, 0x81, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 2 page register
 161       {0x82, 0x82, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 3 page register
 162       {0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 4 page register
 163       {0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 5 page register
 164       {0x89, 0x89, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 6 page register
 165       {0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 7 page register
 166       {0x08, 0x0f, GENERIC_PRINT_AND_IGNORE},   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 167       {0xd0, 0xde, GENERIC_PRINT_AND_IGNORE},   // DMA 2 misc registers
 168 #endif
 169
 170
 171 #if 1
 172       // Make the Serial ports invisible
 173
 174       {0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 1
 175       {0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 2
 176       {0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 3
 177       {0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 4
 178 #endif
 179
 180
 181 #if 1
 182       // Make the PCI bus invisible (at least it's configuration)
 183
 184       {0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE}, // PCI Config Address
 185       {0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE}, // PCI Config Data
 186 #endif
 187
 188 #if 1
 189
 190       // Monitor the IDE controllers (very slow)
 191
 192       {0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
 193       {0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
 194       {0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
 195       {0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
 196 #endif
 197
 198
 199 #if 0
 200
 201       // Make the floppy controllers invisible
 202
 203       {0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (base,statusa/statusb,DOR)
 204       {0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (mainstat/datarate,data)
 205       {0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (DIR)
 206       {0x370, 0x372, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (base,statusa/statusb,DOR)
 207       {0x374, 0x375, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (mainstat/datarate,data)
 208       {0x377, 0x377, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (DIR)
 209
 210 #endif
 211
 212 #if 1
 213
 214       // Make the parallel port invisible
 215
 216       {0x378, 0x37f, GENERIC_PRINT_AND_IGNORE},
 217
 218 #endif
 219
 220 #if 1
 221
 222       // Monitor graphics card operations
 223
 224       {0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH},
 225       {0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH},
 226
 227 #endif
 228
 229
 230 #if 1
 231       // Make the ISA PNP features invisible
 232
 233       {0x274, 0x277, GENERIC_PRINT_AND_IGNORE},
 234       {0x279, 0x279, GENERIC_PRINT_AND_IGNORE},
 235       {0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE},
 236 #endif
 237
 238
 239 #if 1
 240       // Monitor any network card (realtek ne2000) operations
 241       {0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH},
 242 #endif
 243
 244
 245 #if 1
 246       // Make any Bus master ide controller invisible
 247
 248       {0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE},
 249 #endif
 250
 251
 252       //          {0x378, 0x400, GENERIC_PRINT_AND_IGNORE}
 253
 254       {0,0,0},  // sentinal - must be last
 255
 256     };
 257
 258
 259     struct vm_device * generic = create_generic(range, NULL, NULL);
 260
 261 #endif
 262
 263     v3_attach_device(info, nvram);
 264     //v3_attach_device(info, timer);
 265     v3_attach_device(info, pic);
 266     v3_attach_device(info, pit);
 267     v3_attach_device(info, keyboard);
 268     // v3_attach_device(info, serial);
 269
 270
 271 #if GENERIC
 272     // Important that this be attached last!
 273     v3_attach_device(info, generic);
 274
 275 #endif
 276
 277     PrintDebugDevMgr(info);
 278   }
 279
 280   // give keyboard interrupts to vm
 281   // no longer needed since we have a keyboard device
 282   //hook_irq(&vm_info, 1);
 283
 284 #if 1
 285   // give floppy controller to vm
 286   v3_hook_irq_for_guest_injection(info, 6);
 287 #endif
 288
 289 #if 1
 290   //primary ide
 291   v3_hook_irq_for_guest_injection(info, 14);
 292
 293   // secondary ide
 294   v3_hook_irq_for_guest_injection(info, 15);
 295 #endif
 296
 297
 298   info->rip = 0xfff0;
 299   info->vm_regs.rsp = 0x0;
 300
 301
 302   return 0;
 303 }
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326 #if 0
 327
 328
 329     if (0) {
 330
 331       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x800000, 0x10000);
 332       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x1000000, 0);
 333
 334       rip = (ulong_t)(void*)&BuzzVM;
 335       //  rip -= 0x10000;
 336       //    rip = (addr_t)(void*)&exit_test;
 337       //  rip -= 0x2000;
 338       vm_info.rip = rip;
 339       rsp = (addr_t)Alloc_Page();
 340
 341       vm_info.vm_regs.rsp = (rsp +4092 );// - 0x2000;
 342
 343
 344     } else if (0) {
 345       //add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x1000, 0x100000);
 346       //      add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x100000, 0x0);
 347
 348       /*
 349         shadow_region_t *ent = Malloc(sizeof(shadow_region_t));;
 350         init_shadow_region_physical(ent,0,0x100000,GUEST_REGION_PHYSICAL_MEMORY,
 351         0x100000, HOST_REGION_PHYSICAL_MEMORY);
 352         add_shadow_region(&(vm_info.mem_map),ent);
 353       */
 354
 355       add_shadow_region_passthrough(&vm_info, 0x0, 0x100000, 0x100000);
 356
 357       v3_hook_io_port(&vm_info, 0x61, &IO_Read, &IO_Write, NULL);
 358       v3_hook_io_port(&vm_info, 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
 359
 360       /*
 361         vm_info.cr0 = 0;
 362         vm_info.cs.base=0xf000;
 363         vm_info.cs.limit=0xffff;
 364       */
 365       //vm_info.rip = 0xfff0;
 366
 367       vm_info.rip = 0;
 368       vm_info.vm_regs.rsp = 0x0;
 369     } else {
 370
 371     }
 372
 373 #endif