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 #include <devices/serial.h>
   6 #include <devices/keyboard.h>
   7 #include <devices/8259a.h>
   8 #include <devices/8254.h>
   9 #include <devices/nvram.h>
  10 #include <devices/generic.h>
  11
  12
  13
  14 int config_guest(struct guest_info * info, void * config_ptr) {
  15
  16   struct guest_mem_layout * layout = (struct guest_mem_layout *)config_ptr;
  17   extern v3_cpu_arch_t v3_cpu_type;
  18   void * region_start;
  19   int i;
  20
  21
  22   v3_init_time(info);
  23   init_shadow_map(info);
  24
  25   if (v3_cpu_type == V3_SVM_REV3_CPU) {
  26     info->shdw_pg_mode = NESTED_PAGING;
  27   } else {
  28     init_shadow_page_state(info);
  29     info->shdw_pg_mode = SHADOW_PAGING;
  30   }
  31
  32   info->cpu_mode = REAL;
  33   info->mem_mode = PHYSICAL_MEM;
  34
  35
  36   init_vmm_io_map(info);
  37   init_interrupt_state(info);
  38
  39   dev_mgr_init(info);
  40
  41
  42   //     SerialPrint("Guest Mem Dump at 0x%x\n", 0x100000);
  43   //PrintDebugMemDump((unsigned char *)(0x100000), 261 * 1024);
  44   if (layout->magic != MAGIC_CODE) {
  45
  46     PrintDebug("Layout Magic Mismatch (0x%x)\n", layout->magic);
  47     return -1;
  48   }
  49
  50   PrintDebug("%d layout regions\n", layout->num_regions);
  51
  52   region_start = (void *)&(layout->regions[layout->num_regions]);
  53
  54   PrintDebug("region start = 0x%x\n", region_start);
  55
  56   for (i = 0; i < layout->num_regions; i++) {
  57     struct layout_region * reg = &(layout->regions[i]);
  58     uint_t num_pages = (reg->length / PAGE_SIZE) + ((reg->length % PAGE_SIZE) ? 1 : 0);
  59     void * guest_mem = V3_AllocPages(num_pages);
  60
  61     PrintDebug("Layout Region %d bytes\n", reg->length);
  62     memcpy(guest_mem, region_start, reg->length);
  63
  64     PrintDebugMemDump((unsigned char *)(guest_mem), 16);
  65
  66     add_shadow_region_passthrough(info, reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
  67
  68     PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), guest_mem);
  69
  70     region_start += reg->length;
  71   }
  72
  73       //
  74   add_shadow_region_passthrough(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160));
  75
  76   add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000);
  77   //hook_guest_mem(info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL);
  78
  79
  80   // TEMP
  81   //add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
  82
  83   if (1) {
  84     add_shadow_region_passthrough(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1));
  85     if (add_shadow_region_passthrough(info, 0xc8000, 0xf0000, (addr_t)V3_AllocPages(40)) == -1) {
  86       PrintDebug("Error adding shadow region\n");
  87     }
  88   } else {
  89     add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
  90     add_shadow_region_passthrough(info, 0xc8000, 0xf0000, 0xc8000);
  91   }
  92
  93
  94   //add_shadow_region_passthrough(info, 0x100000, 0x2000000, (addr_t)Allocate_VMM_Pages(8192));
  95   add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
  96
  97   add_shadow_region_passthrough(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768));
  98
  99   // test - give linux accesss to PCI space - PAD
 100   add_shadow_region_passthrough(info, 0xc0000000,0xffffffff,0xc0000000);
 101
 102
 103   print_shadow_map(&(info->mem_map));
 104
 105
 106   {
 107
 108     struct vm_device * nvram = create_nvram();
 109     //struct vm_device * timer = create_timer();
 110     struct vm_device * pic = create_pic();
 111     struct vm_device * keyboard = create_keyboard();
 112     struct vm_device * pit = create_pit();
 113     //struct vm_device * serial = create_serial();
 114
 115
 116 #define GENERIC 1
 117
 118 #if GENERIC
 119     generic_port_range_type range[] = {
 120 #if 1
 121       // Make the DMA controller invisible
 122
 123       {0x00, 0x07, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channels 0,1,2,3 (address, counter)
 124       {0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channels 4,5,6,7 (address, counter)
 125       {0x87, 0x87, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 0 page register
 126       {0x83, 0x83, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 1 page register
 127       {0x81, 0x81, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 2 page register
 128       {0x82, 0x82, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 3 page register
 129       {0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 4 page register
 130       {0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 5 page register
 131       {0x89, 0x89, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 6 page register
 132       {0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 7 page register
 133       {0x08, 0x0f, GENERIC_PRINT_AND_IGNORE},   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 134       {0xd0, 0xde, GENERIC_PRINT_AND_IGNORE},   // DMA 2 misc registers
 135 #endif
 136
 137
 138 #if 1
 139       // Make the Serial ports invisible
 140
 141       {0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 1
 142       {0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 2
 143       {0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 3
 144       {0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 4
 145 #endif
 146
 147
 148 #if 1
 149       // Make the PCI bus invisible (at least it's configuration)
 150
 151       {0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE}, // PCI Config Address
 152       {0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE}, // PCI Config Data
 153 #endif
 154
 155 #if 0
 156
 157       // Monitor the IDE controllers (very slow)
 158
 159       {0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
 160       {0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
 161       {0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
 162       {0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
 163 #endif
 164
 165
 166 #if 0
 167
 168       // Make the floppy controllers invisible
 169
 170       {0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (base,statusa/statusb,DOR)
 171       {0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (mainstat/datarate,data)
 172       {0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (DIR)
 173       {0x370, 0x372, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (base,statusa/statusb,DOR)
 174       {0x374, 0x375, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (mainstat/datarate,data)
 175       {0x377, 0x377, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (DIR)
 176
 177 #endif
 178
 179 #if 1
 180
 181       // Make the parallel port invisible
 182
 183       {0x378, 0x37f, GENERIC_PRINT_AND_IGNORE},
 184
 185 #endif
 186
 187 #if 1
 188
 189       // Monitor graphics card operations
 190
 191       {0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH},
 192       {0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH},
 193
 194 #endif
 195
 196
 197 #if 1
 198       // Make the ISA PNP features invisible
 199
 200       {0x274, 0x277, GENERIC_PRINT_AND_IGNORE},
 201       {0x279, 0x279, GENERIC_PRINT_AND_IGNORE},
 202       {0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE},
 203 #endif
 204
 205
 206 #if 1
 207       // Monitor any network card (realtek ne2000) operations
 208       {0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH},
 209 #endif
 210
 211
 212 #if 1
 213       // Make any Bus master ide controller invisible
 214
 215       {0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE},
 216 #endif
 217
 218
 219       //          {0x378, 0x400, GENERIC_PRINT_AND_IGNORE}
 220
 221       {0,0,0},  // sentinal - must be last
 222
 223     };
 224
 225
 226     struct vm_device * generic = create_generic(range, NULL, NULL);
 227
 228 #endif
 229
 230     v3_attach_device(info, nvram);
 231     //v3_attach_device(info, timer);
 232     v3_attach_device(info, pic);
 233     v3_attach_device(info, pit);
 234     v3_attach_device(info, keyboard);
 235     // v3_attach_device(info, serial);
 236
 237
 238 #if GENERIC
 239     // Important that this be attached last!
 240     v3_attach_device(info, generic);
 241
 242 #endif
 243
 244     PrintDebugDevMgr(info);
 245   }
 246
 247   // give keyboard interrupts to vm
 248   // no longer needed since we have a keyboard device
 249   //hook_irq(&vm_info, 1);
 250
 251 #if 1
 252   // give floppy controller to vm
 253   v3_hook_irq_for_guest_injection(info, 6);
 254 #endif
 255
 256 #if 1
 257   //primary ide
 258   v3_hook_irq_for_guest_injection(info, 14);
 259
 260   // secondary ide
 261   v3_hook_irq_for_guest_injection(info, 15);
 262 #endif
 263
 264
 265   info->rip = 0xfff0;
 266   info->vm_regs.rsp = 0x0;
 267
 268
 269   return 0;
 270 }
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293 #if 0
 294
 295
 296     if (0) {
 297
 298       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x800000, 0x10000);
 299       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x1000000, 0);
 300
 301       rip = (ulong_t)(void*)&BuzzVM;
 302       //  rip -= 0x10000;
 303       //    rip = (addr_t)(void*)&exit_test;
 304       //  rip -= 0x2000;
 305       vm_info.rip = rip;
 306       rsp = (addr_t)Alloc_Page();
 307
 308       vm_info.vm_regs.rsp = (rsp +4092 );// - 0x2000;
 309
 310
 311     } else if (0) {
 312       //add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x1000, 0x100000);
 313       //      add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x100000, 0x0);
 314
 315       /*
 316         shadow_region_t *ent = Malloc(sizeof(shadow_region_t));;
 317         init_shadow_region_physical(ent,0,0x100000,GUEST_REGION_PHYSICAL_MEMORY,
 318         0x100000, HOST_REGION_PHYSICAL_MEMORY);
 319         add_shadow_region(&(vm_info.mem_map),ent);
 320       */
 321
 322       add_shadow_region_passthrough(&vm_info, 0x0, 0x100000, 0x100000);
 323
 324       v3_hook_io_port(&vm_info, 0x61, &IO_Read, &IO_Write, NULL);
 325       v3_hook_io_port(&vm_info, 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
 326
 327       /*
 328         vm_info.cr0 = 0;
 329         vm_info.cs.base=0xf000;
 330         vm_info.cs.limit=0xffff;
 331       */
 332       //vm_info.rip = 0xfff0;
 333
 334       vm_info.rip = 0;
 335       vm_info.vm_regs.rsp = 0x0;
 336     } else {
 337
 338     }
 339
 340 #endif