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   //add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000);
 102   hook_guest_mem(info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL);
 103
 104
 105   // TEMP
 106   //add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
 107
 108   if (1) {
 109     add_shadow_region_passthrough(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1));
 110     if (add_shadow_region_passthrough(info, 0xc8000, 0xf0000, (addr_t)V3_AllocPages(40)) == -1) {
 111       PrintDebug("Error adding shadow region\n");
 112     }
 113   } else {
 114     add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
 115     add_shadow_region_passthrough(info, 0xc8000, 0xf0000, 0xc8000);
 116   }
 117
 118
 119
 120   //  add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
 121   {
 122     /* MEMORY HOOK TEST */
 123     add_shadow_region_passthrough(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304));
 124     hook_guest_mem(info, 0xa00000, 0xa01000, mem_test_read, passthrough_mem_write, NULL);
 125
 126     add_shadow_region_passthrough(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791));
 127
 128   }
 129     add_shadow_region_passthrough(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768));
 130
 131   // test - give linux accesss to PCI space - PAD
 132   add_shadow_region_passthrough(info, 0xc0000000,0xffffffff,0xc0000000);
 133
 134
 135   print_shadow_map(&(info->mem_map));
 136
 137
 138   {
 139
 140     struct vm_device * nvram = create_nvram();
 141     //struct vm_device * timer = create_timer();
 142     struct vm_device * pic = create_pic();
 143     struct vm_device * keyboard = create_keyboard();
 144     struct vm_device * pit = create_pit();
 145     //struct vm_device * serial = create_serial();
 146
 147
 148 #define GENERIC 1
 149
 150 #if GENERIC
 151     generic_port_range_type range[] = {
 152 #if 1
 153       // Make the DMA controller invisible
 154
 155       {0x00, 0x07, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channels 0,1,2,3 (address, counter)
 156       {0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channels 4,5,6,7 (address, counter)
 157       {0x87, 0x87, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 0 page register
 158       {0x83, 0x83, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 1 page register
 159       {0x81, 0x81, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 2 page register
 160       {0x82, 0x82, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 3 page register
 161       {0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 4 page register
 162       {0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 5 page register
 163       {0x89, 0x89, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 6 page register
 164       {0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 7 page register
 165       {0x08, 0x0f, GENERIC_PRINT_AND_IGNORE},   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 166       {0xd0, 0xde, GENERIC_PRINT_AND_IGNORE},   // DMA 2 misc registers
 167 #endif
 168
 169
 170 #if 0
 171       // Make the Serial ports invisible
 172
 173       {0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 1
 174       {0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 2
 175       {0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 3
 176       {0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 4
 177 #endif
 178
 179
 180 #if 1
 181       // Make the PCI bus invisible (at least it's configuration)
 182
 183       {0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE}, // PCI Config Address
 184       {0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE}, // PCI Config Data
 185 #endif
 186
 187 #if 0
 188
 189       // Monitor the IDE controllers (very slow)
 190
 191       {0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
 192       {0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
 193       {0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
 194       {0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
 195 #endif
 196
 197
 198 #if 0
 199
 200       // Make the floppy controllers invisible
 201
 202       {0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (base,statusa/statusb,DOR)
 203       {0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (mainstat/datarate,data)
 204       {0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (DIR)
 205       {0x370, 0x372, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (base,statusa/statusb,DOR)
 206       {0x374, 0x375, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (mainstat/datarate,data)
 207       {0x377, 0x377, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (DIR)
 208
 209 #endif
 210
 211 #if 1
 212
 213       // Make the parallel port invisible
 214
 215       {0x378, 0x37f, GENERIC_PRINT_AND_IGNORE},
 216
 217 #endif
 218
 219 #if 1
 220
 221       // Monitor graphics card operations
 222
 223       {0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH},
 224       {0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH},
 225
 226 #endif
 227
 228
 229 #if 1
 230       // Make the ISA PNP features invisible
 231
 232       {0x274, 0x277, GENERIC_PRINT_AND_IGNORE},
 233       {0x279, 0x279, GENERIC_PRINT_AND_IGNORE},
 234       {0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE},
 235 #endif
 236
 237
 238 #if 1
 239       // Monitor any network card (realtek ne2000) operations
 240       {0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH},
 241 #endif
 242
 243
 244 #if 1
 245       // Make any Bus master ide controller invisible
 246
 247       {0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE},
 248 #endif
 249
 250
 251       //          {0x378, 0x400, GENERIC_PRINT_AND_IGNORE}
 252
 253       {0,0,0},  // sentinal - must be last
 254
 255     };
 256
 257
 258     struct vm_device * generic = create_generic(range, NULL, NULL);
 259
 260 #endif
 261
 262     v3_attach_device(info, nvram);
 263     //v3_attach_device(info, timer);
 264     v3_attach_device(info, pic);
 265     v3_attach_device(info, pit);
 266     v3_attach_device(info, keyboard);
 267     // v3_attach_device(info, serial);
 268
 269
 270 #if GENERIC
 271     // Important that this be attached last!
 272     v3_attach_device(info, generic);
 273
 274 #endif
 275
 276     PrintDebugDevMgr(info);
 277   }
 278
 279   // give keyboard interrupts to vm
 280   // no longer needed since we have a keyboard device
 281   //hook_irq(&vm_info, 1);
 282
 283 #if 1
 284   // give floppy controller to vm
 285   v3_hook_irq_for_guest_injection(info, 6);
 286 #endif
 287
 288 #if 1
 289   //primary ide
 290   v3_hook_irq_for_guest_injection(info, 14);
 291
 292   // secondary ide
 293   v3_hook_irq_for_guest_injection(info, 15);
 294 #endif
 295
 296
 297   info->rip = 0xfff0;
 298   info->vm_regs.rsp = 0x0;
 299
 300
 301   return 0;
 302 }
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325 #if 0
 326
 327
 328     if (0) {
 329
 330       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x800000, 0x10000);
 331       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x1000000, 0);
 332
 333       rip = (ulong_t)(void*)&BuzzVM;
 334       //  rip -= 0x10000;
 335       //    rip = (addr_t)(void*)&exit_test;
 336       //  rip -= 0x2000;
 337       vm_info.rip = rip;
 338       rsp = (addr_t)Alloc_Page();
 339
 340       vm_info.vm_regs.rsp = (rsp +4092 );// - 0x2000;
 341
 342
 343     } else if (0) {
 344       //add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x1000, 0x100000);
 345       //      add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x100000, 0x0);
 346
 347       /*
 348         shadow_region_t *ent = Malloc(sizeof(shadow_region_t));;
 349         init_shadow_region_physical(ent,0,0x100000,GUEST_REGION_PHYSICAL_MEMORY,
 350         0x100000, HOST_REGION_PHYSICAL_MEMORY);
 351         add_shadow_region(&(vm_info.mem_map),ent);
 352       */
 353
 354       add_shadow_region_passthrough(&vm_info, 0x0, 0x100000, 0x100000);
 355
 356       v3_hook_io_port(&vm_info, 0x61, &IO_Read, &IO_Write, NULL);
 357       v3_hook_io_port(&vm_info, 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
 358
 359       /*
 360         vm_info.cr0 = 0;
 361         vm_info.cs.base=0xf000;
 362         vm_info.cs.limit=0xffff;
 363       */
 364       //vm_info.rip = 0xfff0;
 365
 366       vm_info.rip = 0;
 367       vm_info.vm_regs.rsp = 0x0;
 368     } else {
 369
 370     }
 371
 372 #endif