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