palacios/src/palacios/vmm_config.c

   1 /* (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> */
   2 /* (c) 2008, The V3VEE Project <http://www.v3vee.org> */
   3
   4 #include <palacios/vmm_config.h>
   5 #include <palacios/vmm.h>
   6 #include <palacios/vmm_debug.h>
   7
   8
   9 #include <devices/serial.h>
  10 #include <devices/keyboard.h>
  11 #include <devices/8259a.h>
  12 #include <devices/8254.h>
  13 #include <devices/nvram.h>
  14 #include <devices/generic.h>
  15
  16
  17
  18 static int mem_test_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
  19   int foo = 20;
  20
  21
  22   memcpy(dst, &foo, length);
  23
  24   PrintDebug("Passthrough mem read returning: %d (length=%d)\n", foo + (guest_addr & 0xfff), length);
  25   return length;
  26 }
  27
  28 static int passthrough_mem_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
  29     memcpy(dst, (void*)guest_addr, length);
  30     return length;
  31 }
  32
  33 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
  34   memcpy((void*)guest_addr, src, length);
  35   return length;
  36 }
  37
  38
  39 /*static int IO_Read(ushort_t port, void * dst, uint_t length, void * priv_data) {
  40
  41   struct guest_info * info = priv_data;
  42   ulong_t tsc_spread = 0;
  43   ullong_t exit_tsc = 0;
  44
  45
  46   *(ulong_t *)(&exit_tsc) = info->vm_regs.rbx;
  47   *(ulong_t *)((&exit_tsc) + 4) = info->vm_regs.rcx;
  48   tsc_spread = info->exit_tsc - exit_tsc;
  49
  50   PrintError("IOREAD tsc diff = %lu\n",tsc_spread);
  51   info->rip += 3;
  52
  53
  54   return 1;
  55 }
  56 */
  57
  58 int config_guest(struct guest_info * info, void * config_ptr) {
  59
  60   struct guest_mem_layout * layout = (struct guest_mem_layout *)config_ptr;
  61   extern v3_cpu_arch_t v3_cpu_type;
  62   void * region_start;
  63   int i;
  64
  65
  66   v3_init_time(info);
  67   init_shadow_map(info);
  68
  69   if (v3_cpu_type == V3_SVM_REV3_CPU) {
  70     info->shdw_pg_mode = NESTED_PAGING;
  71   } else {
  72     init_shadow_page_state(info);
  73     info->shdw_pg_mode = SHADOW_PAGING;
  74   }
  75
  76   info->cpu_mode = REAL;
  77   info->mem_mode = PHYSICAL_MEM;
  78
  79
  80   init_vmm_io_map(info);
  81   init_interrupt_state(info);
  82
  83   dev_mgr_init(info);
  84
  85   init_emulator(info);
  86
  87
  88   //     SerialPrint("Guest Mem Dump at 0x%x\n", 0x100000);
  89   //PrintDebugMemDump((unsigned char *)(0x100000), 261 * 1024);
  90   if (layout->magic != MAGIC_CODE) {
  91
  92     PrintDebug("Layout Magic Mismatch (0x%x)\n", layout->magic);
  93     return -1;
  94   }
  95
  96   PrintDebug("%d layout regions\n", layout->num_regions);
  97
  98   region_start = (void *)&(layout->regions[layout->num_regions]);
  99
 100   PrintDebug("region start = 0x%x\n", region_start);
 101
 102   for (i = 0; i < layout->num_regions; i++) {
 103     struct layout_region * reg = &(layout->regions[i]);
 104     uint_t num_pages = (reg->length / PAGE_SIZE) + ((reg->length % PAGE_SIZE) ? 1 : 0);
 105     void * guest_mem = V3_AllocPages(num_pages);
 106
 107     PrintDebug("Layout Region %d bytes\n", reg->length);
 108     memcpy(guest_mem, region_start, reg->length);
 109
 110     PrintDebugMemDump((unsigned char *)(guest_mem), 16);
 111
 112     add_shadow_region_passthrough(info, reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
 113
 114     PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), guest_mem);
 115
 116     region_start += reg->length;
 117   }
 118
 119       //
 120   add_shadow_region_passthrough(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160));
 121
 122   if (1) {
 123     add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000);
 124   } else {
 125     hook_guest_mem(info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL);
 126   }
 127
 128   // TEMP
 129   //add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
 130
 131   if (1) {
 132     add_shadow_region_passthrough(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1));
 133     if (add_shadow_region_passthrough(info, 0xc8000, 0xf0000, (addr_t)V3_AllocPages(40)) == -1) {
 134       PrintDebug("Error adding shadow region\n");
 135     }
 136   } else {
 137     add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
 138     add_shadow_region_passthrough(info, 0xc8000, 0xf0000, 0xc8000);
 139   }
 140
 141
 142   if (1) {
 143   add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
 144   } else {
 145     /* MEMORY HOOK TEST */
 146     add_shadow_region_passthrough(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304));
 147     hook_guest_mem(info, 0xa00000, 0xa01000, mem_test_read, passthrough_mem_write, NULL);
 148     add_shadow_region_passthrough(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791));
 149   }
 150
 151     add_shadow_region_passthrough(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768));
 152
 153   // test - give linux accesss to PCI space - PAD
 154   add_shadow_region_passthrough(info, 0xc0000000,0xffffffff,0xc0000000);
 155
 156
 157   print_shadow_map(&(info->mem_map));
 158
 159
 160   {
 161
 162     struct vm_device * nvram = create_nvram();
 163     //struct vm_device * timer = create_timer();
 164     struct vm_device * pic = create_pic();
 165     struct vm_device * keyboard = create_keyboard();
 166     struct vm_device * pit = create_pit();
 167     //struct vm_device * serial = create_serial();
 168
 169
 170 #define GENERIC 1
 171
 172 #if GENERIC
 173     generic_port_range_type range[] = {
 174 #if 1
 175       // Make the DMA controller invisible
 176
 177       {0x00, 0x07, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channels 0,1,2,3 (address, counter)
 178       {0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channels 4,5,6,7 (address, counter)
 179       {0x87, 0x87, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 0 page register
 180       {0x83, 0x83, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 1 page register
 181       {0x81, 0x81, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 2 page register
 182       {0x82, 0x82, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 3 page register
 183       {0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 4 page register
 184       {0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 5 page register
 185       {0x89, 0x89, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 6 page register
 186       {0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 7 page register
 187       {0x08, 0x0f, GENERIC_PRINT_AND_IGNORE},   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 188       {0xd0, 0xde, GENERIC_PRINT_AND_IGNORE},   // DMA 2 misc registers
 189 #endif
 190
 191
 192 #if 1
 193       // Make the Serial ports invisible
 194
 195       {0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 1
 196       {0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 2
 197       {0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 3
 198       {0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 4
 199 #endif
 200
 201
 202 #if 1
 203       // Make the PCI bus invisible (at least it's configuration)
 204
 205       {0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE}, // PCI Config Address
 206       {0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE}, // PCI Config Data
 207 #endif
 208
 209 #if 1
 210
 211       // Monitor the IDE controllers (very slow)
 212
 213       {0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
 214       {0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
 215       {0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
 216       {0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
 217 #endif
 218
 219
 220 #if 0
 221
 222       // Make the floppy controllers invisible
 223
 224       {0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (base,statusa/statusb,DOR)
 225       {0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (mainstat/datarate,data)
 226       {0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (DIR)
 227       {0x370, 0x372, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (base,statusa/statusb,DOR)
 228       {0x374, 0x375, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (mainstat/datarate,data)
 229       {0x377, 0x377, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (DIR)
 230
 231 #endif
 232
 233 #if 1
 234
 235       // Make the parallel port invisible
 236
 237       {0x378, 0x37f, GENERIC_PRINT_AND_IGNORE},
 238
 239 #endif
 240
 241 #if 1
 242
 243       // Monitor graphics card operations
 244
 245       {0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH},
 246       {0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH},
 247
 248 #endif
 249
 250
 251 #if 1
 252       // Make the ISA PNP features invisible
 253
 254       {0x274, 0x277, GENERIC_PRINT_AND_IGNORE},
 255       {0x279, 0x279, GENERIC_PRINT_AND_IGNORE},
 256       {0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE},
 257 #endif
 258
 259
 260 #if 1
 261       // Monitor any network card (realtek ne2000) operations
 262       {0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH},
 263 #endif
 264
 265
 266 #if 1
 267       // Make any Bus master ide controller invisible
 268
 269       {0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE},
 270 #endif
 271
 272
 273       //          {0x378, 0x400, GENERIC_PRINT_AND_IGNORE}
 274
 275       {0,0,0},  // sentinal - must be last
 276
 277     };
 278
 279
 280     struct vm_device * generic = create_generic(range, NULL, NULL);
 281
 282 #endif
 283
 284     v3_attach_device(info, nvram);
 285     //v3_attach_device(info, timer);
 286     v3_attach_device(info, pic);
 287     v3_attach_device(info, pit);
 288     v3_attach_device(info, keyboard);
 289     // v3_attach_device(info, serial);
 290
 291
 292 #if GENERIC
 293     // Important that this be attached last!
 294     v3_attach_device(info, generic);
 295
 296 #endif
 297
 298     PrintDebugDevMgr(info);
 299   }
 300
 301   // give keyboard interrupts to vm
 302   // no longer needed since we have a keyboard device
 303   //hook_irq(&vm_info, 1);
 304
 305 #if 1
 306   // give floppy controller to vm
 307   v3_hook_irq_for_guest_injection(info, 6);
 308 #endif
 309
 310 #if 1
 311   //primary ide
 312   v3_hook_irq_for_guest_injection(info, 14);
 313
 314   // secondary ide
 315   v3_hook_irq_for_guest_injection(info, 15);
 316 #endif
 317
 318
 319   //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
 320
 321   info->rip = 0xfff0;
 322   info->vm_regs.rsp = 0x0;
 323
 324
 325   return 0;
 326 }
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349 #if 0
 350
 351
 352     if (0) {
 353
 354       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x800000, 0x10000);
 355       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x1000000, 0);
 356
 357       rip = (ulong_t)(void*)&BuzzVM;
 358       //  rip -= 0x10000;
 359       //    rip = (addr_t)(void*)&exit_test;
 360       //  rip -= 0x2000;
 361       vm_info.rip = rip;
 362       rsp = (addr_t)Alloc_Page();
 363
 364       vm_info.vm_regs.rsp = (rsp +4092 );// - 0x2000;
 365
 366
 367     } else if (0) {
 368       //add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x1000, 0x100000);
 369       //      add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x100000, 0x0);
 370
 371       /*
 372         shadow_region_t *ent = Malloc(sizeof(shadow_region_t));;
 373         init_shadow_region_physical(ent,0,0x100000,GUEST_REGION_PHYSICAL_MEMORY,
 374         0x100000, HOST_REGION_PHYSICAL_MEMORY);
 375         add_shadow_region(&(vm_info.mem_map),ent);
 376       */
 377
 378       add_shadow_region_passthrough(&vm_info, 0x0, 0x100000, 0x100000);
 379
 380       v3_hook_io_port(&vm_info, 0x61, &IO_Read, &IO_Write, NULL);
 381       v3_hook_io_port(&vm_info, 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
 382
 383
 384
 385       /*
 386         vm_info.cr0 = 0;
 387         vm_info.cs.base=0xf000;
 388         vm_info.cs.limit=0xffff;
 389       */
 390       //vm_info.rip = 0xfff0;
 391
 392       vm_info.rip = 0;
 393       vm_info.vm_regs.rsp = 0x0;
 394     } else {
 395
 396     }
 397
 398 #endif