palacios/src/palacios/vmm_config.c

   1 /*
   2  * This file is part of the Palacios Virtual Machine Monitor developed
   3  * by the V3VEE Project with funding from the United States National
   4  * Science Foundation and the Department of Energy.
   5  *
   6  * The V3VEE Project is a joint project between Northwestern University
   7  * and the University of New Mexico.  You can find out more at
   8  * http://www.v3vee.org
   9  *
  10  * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
  11  * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
  12  * All rights reserved.
  13  *
  14  * Author: Jack Lange <jarusl@cs.northwestern.edu>
  15  *
  16  * This is free software.  You are permitted to use,
  17  * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
  18  */
  19
  20
  21 #include <palacios/vmm_config.h>
  22 #include <palacios/vmm.h>
  23 #include <palacios/vmm_debug.h>
  24
  25
  26 #include <devices/serial.h>
  27 #include <devices/keyboard.h>
  28 #include <devices/8259a.h>
  29 #include <devices/8254.h>
  30 #include <devices/nvram.h>
  31 #include <devices/generic.h>
  32
  33
  34
  35 static int mem_test_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
  36   int foo = 20;
  37
  38
  39   memcpy(dst, &foo, length);
  40
  41   PrintDebug("Passthrough mem read returning: %d (length=%d)\n", foo + (guest_addr & 0xfff), length);
  42   return length;
  43 }
  44
  45 static int passthrough_mem_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
  46     memcpy(dst, (void*)guest_addr, length);
  47     return length;
  48 }
  49
  50 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
  51   memcpy((void*)guest_addr, src, length);
  52   return length;
  53 }
  54
  55
  56 /*static int IO_Read(ushort_t port, void * dst, uint_t length, void * priv_data) {
  57
  58   struct guest_info * info = priv_data;
  59   ulong_t tsc_spread = 0;
  60   ullong_t exit_tsc = 0;
  61
  62
  63   *(ulong_t *)(&exit_tsc) = info->vm_regs.rbx;
  64   *(ulong_t *)((&exit_tsc) + 4) = info->vm_regs.rcx;
  65   tsc_spread = info->exit_tsc - exit_tsc;
  66
  67   PrintError("IOREAD tsc diff = %lu\n",tsc_spread);
  68   info->rip += 3;
  69
  70
  71   return 1;
  72 }
  73 */
  74
  75 int config_guest(struct guest_info * info, void * config_ptr) {
  76
  77   struct guest_mem_layout * layout = (struct guest_mem_layout *)config_ptr;
  78   extern v3_cpu_arch_t v3_cpu_type;
  79   void * region_start;
  80   int i;
  81
  82
  83   v3_init_time(info);
  84   init_shadow_map(info);
  85
  86   if (v3_cpu_type == V3_SVM_REV3_CPU) {
  87     info->shdw_pg_mode = NESTED_PAGING;
  88   } else {
  89     init_shadow_page_state(info);
  90     info->shdw_pg_mode = SHADOW_PAGING;
  91   }
  92
  93   info->cpu_mode = REAL;
  94   info->mem_mode = PHYSICAL_MEM;
  95
  96
  97   init_vmm_io_map(info);
  98   init_interrupt_state(info);
  99
 100   dev_mgr_init(info);
 101
 102   init_emulator(info);
 103
 104
 105   //     SerialPrint("Guest Mem Dump at 0x%x\n", 0x100000);
 106   //PrintDebugMemDump((unsigned char *)(0x100000), 261 * 1024);
 107   if (layout->magic != MAGIC_CODE) {
 108
 109     PrintDebug("Layout Magic Mismatch (0x%x)\n", layout->magic);
 110     return -1;
 111   }
 112
 113   PrintDebug("%d layout regions\n", layout->num_regions);
 114
 115   region_start = (void *)&(layout->regions[layout->num_regions]);
 116
 117   PrintDebug("region start = 0x%x\n", region_start);
 118
 119   for (i = 0; i < layout->num_regions; i++) {
 120     struct layout_region * reg = &(layout->regions[i]);
 121     uint_t num_pages = (reg->length / PAGE_SIZE) + ((reg->length % PAGE_SIZE) ? 1 : 0);
 122     void * guest_mem = V3_AllocPages(num_pages);
 123
 124     PrintDebug("Layout Region %d bytes\n", reg->length);
 125     memcpy(guest_mem, region_start, reg->length);
 126
 127     PrintDebugMemDump((unsigned char *)(guest_mem), 16);
 128
 129     add_shadow_region_passthrough(info, reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
 130
 131     PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), guest_mem);
 132
 133     region_start += reg->length;
 134   }
 135
 136       //
 137   add_shadow_region_passthrough(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160));
 138
 139   if (1) {
 140     add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000);
 141   } else {
 142     hook_guest_mem(info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL);
 143   }
 144
 145   // TEMP
 146   //add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
 147
 148   if (1) {
 149     add_shadow_region_passthrough(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1));
 150     if (add_shadow_region_passthrough(info, 0xc8000, 0xf0000, (addr_t)V3_AllocPages(40)) == -1) {
 151       PrintDebug("Error adding shadow region\n");
 152     }
 153   } else {
 154     add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
 155     add_shadow_region_passthrough(info, 0xc8000, 0xf0000, 0xc8000);
 156   }
 157
 158
 159   if (1) {
 160   add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
 161   } else {
 162     /* MEMORY HOOK TEST */
 163     add_shadow_region_passthrough(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304));
 164     hook_guest_mem(info, 0xa00000, 0xa01000, mem_test_read, passthrough_mem_write, NULL);
 165     add_shadow_region_passthrough(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791));
 166   }
 167
 168     add_shadow_region_passthrough(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768));
 169
 170   // test - give linux accesss to PCI space - PAD
 171   add_shadow_region_passthrough(info, 0xc0000000,0xffffffff,0xc0000000);
 172
 173
 174   print_shadow_map(&(info->mem_map));
 175
 176
 177   {
 178
 179     struct vm_device * nvram = create_nvram();
 180     //struct vm_device * timer = create_timer();
 181     struct vm_device * pic = create_pic();
 182     struct vm_device * keyboard = create_keyboard();
 183     struct vm_device * pit = create_pit();
 184     //struct vm_device * serial = create_serial();
 185
 186
 187 #define GENERIC 1
 188
 189 #if GENERIC
 190     generic_port_range_type range[] = {
 191 #if 1
 192       // Make the DMA controller invisible
 193
 194       {0x00, 0x07, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channels 0,1,2,3 (address, counter)
 195       {0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channels 4,5,6,7 (address, counter)
 196       {0x87, 0x87, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 0 page register
 197       {0x83, 0x83, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 1 page register
 198       {0x81, 0x81, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 2 page register
 199       {0x82, 0x82, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 3 page register
 200       {0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 4 page register
 201       {0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 5 page register
 202       {0x89, 0x89, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 6 page register
 203       {0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 7 page register
 204       {0x08, 0x0f, GENERIC_PRINT_AND_IGNORE},   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 205       {0xd0, 0xde, GENERIC_PRINT_AND_IGNORE},   // DMA 2 misc registers
 206 #endif
 207
 208
 209 #if 1
 210       // Make the Serial ports invisible
 211
 212       {0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 1
 213       {0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 2
 214       {0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 3
 215       {0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 4
 216 #endif
 217
 218
 219 #if 1
 220       // Make the PCI bus invisible (at least it's configuration)
 221
 222       {0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE}, // PCI Config Address
 223       {0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE}, // PCI Config Data
 224 #endif
 225
 226 #if 1
 227
 228       // Monitor the IDE controllers (very slow)
 229
 230       {0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
 231       {0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
 232       {0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
 233       {0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
 234 #endif
 235
 236
 237 #if 0
 238
 239       // Make the floppy controllers invisible
 240
 241       {0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (base,statusa/statusb,DOR)
 242       {0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (mainstat/datarate,data)
 243       {0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (DIR)
 244       {0x370, 0x372, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (base,statusa/statusb,DOR)
 245       {0x374, 0x375, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (mainstat/datarate,data)
 246       {0x377, 0x377, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (DIR)
 247
 248 #endif
 249
 250 #if 1
 251
 252       // Make the parallel port invisible
 253
 254       {0x378, 0x37f, GENERIC_PRINT_AND_IGNORE},
 255
 256 #endif
 257
 258 #if 1
 259
 260       // Monitor graphics card operations
 261
 262       {0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH},
 263       {0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH},
 264
 265 #endif
 266
 267
 268 #if 1
 269       // Make the ISA PNP features invisible
 270
 271       {0x274, 0x277, GENERIC_PRINT_AND_IGNORE},
 272       {0x279, 0x279, GENERIC_PRINT_AND_IGNORE},
 273       {0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE},
 274 #endif
 275
 276
 277 #if 1
 278       // Monitor any network card (realtek ne2000) operations
 279       {0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH},
 280 #endif
 281
 282
 283 #if 1
 284       // Make any Bus master ide controller invisible
 285
 286       {0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE},
 287 #endif
 288
 289
 290       //          {0x378, 0x400, GENERIC_PRINT_AND_IGNORE}
 291
 292       {0,0,0},  // sentinal - must be last
 293
 294     };
 295
 296
 297     struct vm_device * generic = create_generic(range, NULL, NULL);
 298
 299 #endif
 300
 301     v3_attach_device(info, nvram);
 302     //v3_attach_device(info, timer);
 303     v3_attach_device(info, pic);
 304     v3_attach_device(info, pit);
 305     v3_attach_device(info, keyboard);
 306     // v3_attach_device(info, serial);
 307
 308
 309 #if GENERIC
 310     // Important that this be attached last!
 311     v3_attach_device(info, generic);
 312
 313 #endif
 314
 315     PrintDebugDevMgr(info);
 316   }
 317
 318   // give keyboard interrupts to vm
 319   // no longer needed since we have a keyboard device
 320   //hook_irq(&vm_info, 1);
 321
 322 #if 1
 323   // give floppy controller to vm
 324   v3_hook_irq_for_guest_injection(info, 6);
 325 #endif
 326
 327 #if 1
 328   //primary ide
 329   v3_hook_irq_for_guest_injection(info, 14);
 330
 331   // secondary ide
 332   v3_hook_irq_for_guest_injection(info, 15);
 333 #endif
 334
 335
 336   //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
 337
 338   info->rip = 0xfff0;
 339   info->vm_regs.rsp = 0x0;
 340
 341
 342   return 0;
 343 }
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366 #if 0
 367
 368
 369     if (0) {
 370
 371       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x800000, 0x10000);
 372       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x1000000, 0);
 373
 374       rip = (ulong_t)(void*)&BuzzVM;
 375       //  rip -= 0x10000;
 376       //    rip = (addr_t)(void*)&exit_test;
 377       //  rip -= 0x2000;
 378       vm_info.rip = rip;
 379       rsp = (addr_t)Alloc_Page();
 380
 381       vm_info.vm_regs.rsp = (rsp +4092 );// - 0x2000;
 382
 383
 384     } else if (0) {
 385       //add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x1000, 0x100000);
 386       //      add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x100000, 0x0);
 387
 388       /*
 389         shadow_region_t *ent = Malloc(sizeof(shadow_region_t));;
 390         init_shadow_region_physical(ent,0,0x100000,GUEST_REGION_PHYSICAL_MEMORY,
 391         0x100000, HOST_REGION_PHYSICAL_MEMORY);
 392         add_shadow_region(&(vm_info.mem_map),ent);
 393       */
 394
 395       add_shadow_region_passthrough(&vm_info, 0x0, 0x100000, 0x100000);
 396
 397       v3_hook_io_port(&vm_info, 0x61, &IO_Read, &IO_Write, NULL);
 398       v3_hook_io_port(&vm_info, 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
 399
 400
 401
 402       /*
 403         vm_info.cr0 = 0;
 404         vm_info.cs.base=0xf000;
 405         vm_info.cs.limit=0xffff;
 406       */
 407       //vm_info.rip = 0xfff0;
 408
 409       vm_info.rip = 0;
 410       vm_info.vm_regs.rsp = 0x0;
 411     } else {
 412
 413     }
 414
 415 #endif