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 int config_guest(struct guest_info * info, void * config_ptr) {
  16
  17   struct guest_mem_layout * layout = (struct guest_mem_layout *)config_ptr;
  18   extern v3_cpu_arch_t v3_cpu_type;
  19   void * region_start;
  20   int i;
  21
  22
  23   v3_init_time(info);
  24   init_shadow_map(info);
  25
  26   if (v3_cpu_type == V3_SVM_REV3_CPU) {
  27     info->shdw_pg_mode = NESTED_PAGING;
  28   } else {
  29     init_shadow_page_state(info);
  30     info->shdw_pg_mode = SHADOW_PAGING;
  31   }
  32
  33   info->cpu_mode = REAL;
  34   info->mem_mode = PHYSICAL_MEM;
  35
  36
  37   init_vmm_io_map(info);
  38   init_interrupt_state(info);
  39
  40   dev_mgr_init(info);
  41
  42   init_emulator(info);
  43
  44
  45   //     SerialPrint("Guest Mem Dump at 0x%x\n", 0x100000);
  46   //PrintDebugMemDump((unsigned char *)(0x100000), 261 * 1024);
  47   if (layout->magic != MAGIC_CODE) {
  48
  49     PrintDebug("Layout Magic Mismatch (0x%x)\n", layout->magic);
  50     return -1;
  51   }
  52
  53   PrintDebug("%d layout regions\n", layout->num_regions);
  54
  55   region_start = (void *)&(layout->regions[layout->num_regions]);
  56
  57   PrintDebug("region start = 0x%x\n", region_start);
  58
  59   for (i = 0; i < layout->num_regions; i++) {
  60     struct layout_region * reg = &(layout->regions[i]);
  61     uint_t num_pages = (reg->length / PAGE_SIZE) + ((reg->length % PAGE_SIZE) ? 1 : 0);
  62     void * guest_mem = V3_AllocPages(num_pages);
  63
  64     PrintDebug("Layout Region %d bytes\n", reg->length);
  65     memcpy(guest_mem, region_start, reg->length);
  66
  67     PrintDebugMemDump((unsigned char *)(guest_mem), 16);
  68
  69     add_shadow_region_passthrough(info, reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
  70
  71     PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), guest_mem);
  72
  73     region_start += reg->length;
  74   }
  75
  76       //
  77   add_shadow_region_passthrough(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160));
  78
  79   add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000);
  80   //hook_guest_mem(info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL);
  81
  82
  83   // TEMP
  84   //add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
  85
  86   if (1) {
  87     add_shadow_region_passthrough(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1));
  88     if (add_shadow_region_passthrough(info, 0xc8000, 0xf0000, (addr_t)V3_AllocPages(40)) == -1) {
  89       PrintDebug("Error adding shadow region\n");
  90     }
  91   } else {
  92     add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
  93     add_shadow_region_passthrough(info, 0xc8000, 0xf0000, 0xc8000);
  94   }
  95
  96
  97   //add_shadow_region_passthrough(info, 0x100000, 0x2000000, (addr_t)Allocate_VMM_Pages(8192));
  98   add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
  99
 100   add_shadow_region_passthrough(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768));
 101
 102   // test - give linux accesss to PCI space - PAD
 103   add_shadow_region_passthrough(info, 0xc0000000,0xffffffff,0xc0000000);
 104
 105
 106   print_shadow_map(&(info->mem_map));
 107
 108
 109   {
 110
 111     struct vm_device * nvram = create_nvram();
 112     //struct vm_device * timer = create_timer();
 113     struct vm_device * pic = create_pic();
 114     struct vm_device * keyboard = create_keyboard();
 115     struct vm_device * pit = create_pit();
 116     //struct vm_device * serial = create_serial();
 117
 118
 119 #define GENERIC 1
 120
 121 #if GENERIC
 122     generic_port_range_type range[] = {
 123 #if 1
 124       // Make the DMA controller invisible
 125
 126       {0x00, 0x07, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channels 0,1,2,3 (address, counter)
 127       {0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channels 4,5,6,7 (address, counter)
 128       {0x87, 0x87, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 0 page register
 129       {0x83, 0x83, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 1 page register
 130       {0x81, 0x81, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 2 page register
 131       {0x82, 0x82, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 3 page register
 132       {0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 4 page register
 133       {0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 5 page register
 134       {0x89, 0x89, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 6 page register
 135       {0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 7 page register
 136       {0x08, 0x0f, GENERIC_PRINT_AND_IGNORE},   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 137       {0xd0, 0xde, GENERIC_PRINT_AND_IGNORE},   // DMA 2 misc registers
 138 #endif
 139
 140
 141 #if 1
 142       // Make the Serial ports invisible
 143
 144       {0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 1
 145       {0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 2
 146       {0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 3
 147       {0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 4
 148 #endif
 149
 150
 151 #if 1
 152       // Make the PCI bus invisible (at least it's configuration)
 153
 154       {0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE}, // PCI Config Address
 155       {0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE}, // PCI Config Data
 156 #endif
 157
 158 #if 0
 159
 160       // Monitor the IDE controllers (very slow)
 161
 162       {0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
 163       {0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
 164       {0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
 165       {0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
 166 #endif
 167
 168
 169 #if 0
 170
 171       // Make the floppy controllers invisible
 172
 173       {0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (base,statusa/statusb,DOR)
 174       {0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (mainstat/datarate,data)
 175       {0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (DIR)
 176       {0x370, 0x372, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (base,statusa/statusb,DOR)
 177       {0x374, 0x375, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (mainstat/datarate,data)
 178       {0x377, 0x377, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (DIR)
 179
 180 #endif
 181
 182 #if 1
 183
 184       // Make the parallel port invisible
 185
 186       {0x378, 0x37f, GENERIC_PRINT_AND_IGNORE},
 187
 188 #endif
 189
 190 #if 1
 191
 192       // Monitor graphics card operations
 193
 194       {0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH},
 195       {0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH},
 196
 197 #endif
 198
 199
 200 #if 1
 201       // Make the ISA PNP features invisible
 202
 203       {0x274, 0x277, GENERIC_PRINT_AND_IGNORE},
 204       {0x279, 0x279, GENERIC_PRINT_AND_IGNORE},
 205       {0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE},
 206 #endif
 207
 208
 209 #if 1
 210       // Monitor any network card (realtek ne2000) operations
 211       {0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH},
 212 #endif
 213
 214
 215 #if 1
 216       // Make any Bus master ide controller invisible
 217
 218       {0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE},
 219 #endif
 220
 221
 222       //          {0x378, 0x400, GENERIC_PRINT_AND_IGNORE}
 223
 224       {0,0,0},  // sentinal - must be last
 225
 226     };
 227
 228
 229     struct vm_device * generic = create_generic(range, NULL, NULL);
 230
 231 #endif
 232
 233     v3_attach_device(info, nvram);
 234     //v3_attach_device(info, timer);
 235     v3_attach_device(info, pic);
 236     v3_attach_device(info, pit);
 237     v3_attach_device(info, keyboard);
 238     // v3_attach_device(info, serial);
 239
 240
 241 #if GENERIC
 242     // Important that this be attached last!
 243     v3_attach_device(info, generic);
 244
 245 #endif
 246
 247     PrintDebugDevMgr(info);
 248   }
 249
 250   // give keyboard interrupts to vm
 251   // no longer needed since we have a keyboard device
 252   //hook_irq(&vm_info, 1);
 253
 254 #if 1
 255   // give floppy controller to vm
 256   v3_hook_irq_for_guest_injection(info, 6);
 257 #endif
 258
 259 #if 1
 260   //primary ide
 261   v3_hook_irq_for_guest_injection(info, 14);
 262
 263   // secondary ide
 264   v3_hook_irq_for_guest_injection(info, 15);
 265 #endif
 266
 267
 268   info->rip = 0xfff0;
 269   info->vm_regs.rsp = 0x0;
 270
 271
 272   return 0;
 273 }
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296 #if 0
 297
 298
 299     if (0) {
 300
 301       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x800000, 0x10000);
 302       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x1000000, 0);
 303
 304       rip = (ulong_t)(void*)&BuzzVM;
 305       //  rip -= 0x10000;
 306       //    rip = (addr_t)(void*)&exit_test;
 307       //  rip -= 0x2000;
 308       vm_info.rip = rip;
 309       rsp = (addr_t)Alloc_Page();
 310
 311       vm_info.vm_regs.rsp = (rsp +4092 );// - 0x2000;
 312
 313
 314     } else if (0) {
 315       //add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x1000, 0x100000);
 316       //      add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x100000, 0x0);
 317
 318       /*
 319         shadow_region_t *ent = Malloc(sizeof(shadow_region_t));;
 320         init_shadow_region_physical(ent,0,0x100000,GUEST_REGION_PHYSICAL_MEMORY,
 321         0x100000, HOST_REGION_PHYSICAL_MEMORY);
 322         add_shadow_region(&(vm_info.mem_map),ent);
 323       */
 324
 325       add_shadow_region_passthrough(&vm_info, 0x0, 0x100000, 0x100000);
 326
 327       v3_hook_io_port(&vm_info, 0x61, &IO_Read, &IO_Write, NULL);
 328       v3_hook_io_port(&vm_info, 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
 329
 330       /*
 331         vm_info.cr0 = 0;
 332         vm_info.cs.base=0xf000;
 333         vm_info.cs.limit=0xffff;
 334       */
 335       //vm_info.rip = 0xfff0;
 336
 337       vm_info.rip = 0;
 338       vm_info.vm_regs.rsp = 0x0;
 339     } else {
 340
 341     }
 342
 343 #endif