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
   5 #include <palacios/vmm_config.h>
   6 #include <palacios/vmm.h>
   7 #include <palacios/vmm_debug.h>
   8
   9
  10 #include <devices/serial.h>
  11 #include <devices/keyboard.h>
  12 #include <devices/8259a.h>
  13 #include <devices/8254.h>
  14 #include <devices/nvram.h>
  15 #include <devices/generic.h>
  16 #include <devices/ramdisk.h>
  17
  18
  19 #define USE_GENERIC 1
  20 #define USE_RAMDISK 0
  21
  22
  23
  24 static int mem_test_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
  25   int foo = 20;
  26
  27
  28   memcpy(dst, &foo, length);
  29
  30   PrintDebug("Passthrough mem read returning: %d (length=%d)\n", foo + (guest_addr & 0xfff), length);
  31   return length;
  32 }
  33
  34 static int passthrough_mem_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
  35     memcpy(dst, (void*)guest_addr, length);
  36     return length;
  37 }
  38
  39 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
  40   memcpy((void*)guest_addr, src, length);
  41   return length;
  42 }
  43
  44
  45 /*static int IO_Read(ushort_t port, void * dst, uint_t length, void * priv_data) {
  46
  47   struct guest_info * info = priv_data;
  48   ulong_t tsc_spread = 0;
  49   ullong_t exit_tsc = 0;
  50
  51
  52   *(ulong_t *)(&exit_tsc) = info->vm_regs.rbx;
  53   *(ulong_t *)((&exit_tsc) + 4) = info->vm_regs.rcx;
  54   tsc_spread = info->exit_tsc - exit_tsc;
  55
  56   PrintError("IOREAD tsc diff = %lu\n",tsc_spread);
  57   info->rip += 3;
  58
  59
  60   return 1;
  61 }
  62 */
  63
  64 int config_guest(struct guest_info * info, void * config_ptr) {
  65
  66   struct guest_mem_layout * layout = (struct guest_mem_layout *)config_ptr;
  67   extern v3_cpu_arch_t v3_cpu_type;
  68   void * region_start;
  69   int i;
  70
  71   int use_ramdisk = USE_RAMDISK;
  72   int use_generic = USE_GENERIC;
  73
  74
  75   v3_init_time(info);
  76   init_shadow_map(info);
  77
  78   if (v3_cpu_type == V3_SVM_REV3_CPU) {
  79     info->shdw_pg_mode = NESTED_PAGING;
  80   } else {
  81     init_shadow_page_state(info);
  82     info->shdw_pg_mode = SHADOW_PAGING;
  83   }
  84
  85   info->cpu_mode = REAL;
  86   info->mem_mode = PHYSICAL_MEM;
  87
  88
  89   init_vmm_io_map(info);
  90   init_interrupt_state(info);
  91
  92   dev_mgr_init(info);
  93
  94   init_emulator(info);
  95
  96
  97   //     SerialPrint("Guest Mem Dump at 0x%x\n", 0x100000);
  98   //PrintDebugMemDump((unsigned char *)(0x100000), 261 * 1024);
  99   if (layout->magic != MAGIC_CODE) {
 100
 101     PrintDebug("Layout Magic Mismatch (0x%x)\n", layout->magic);
 102     return -1;
 103   }
 104
 105   PrintDebug("%d layout regions\n", layout->num_regions);
 106
 107   region_start = (void *)&(layout->regions[layout->num_regions]);
 108
 109   PrintDebug("region start = 0x%x\n", region_start);
 110
 111   for (i = 0; i < layout->num_regions; i++) {
 112     struct layout_region * reg = &(layout->regions[i]);
 113     uint_t num_pages = (reg->length / PAGE_SIZE) + ((reg->length % PAGE_SIZE) ? 1 : 0);
 114     void * guest_mem = V3_AllocPages(num_pages);
 115
 116     PrintDebug("Layout Region %d bytes\n", reg->length);
 117     memcpy(guest_mem, region_start, reg->length);
 118
 119     PrintDebugMemDump((unsigned char *)(guest_mem), 16);
 120
 121     add_shadow_region_passthrough(info, reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
 122
 123     PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), guest_mem);
 124
 125     region_start += reg->length;
 126   }
 127
 128       //
 129   add_shadow_region_passthrough(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160));
 130
 131   if (1) {
 132     add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000);
 133   } else {
 134     hook_guest_mem(info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL);
 135   }
 136
 137   // TEMP
 138   //add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
 139
 140   if (1) {
 141     add_shadow_region_passthrough(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1));
 142     if (add_shadow_region_passthrough(info, 0xc8000, 0xf0000, (addr_t)V3_AllocPages(40)) == -1) {
 143       PrintDebug("Error adding shadow region\n");
 144     }
 145   } else {
 146     add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
 147     add_shadow_region_passthrough(info, 0xc8000, 0xf0000, 0xc8000);
 148   }
 149
 150
 151   if (1) {
 152   add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
 153   } else {
 154     /* MEMORY HOOK TEST */
 155     add_shadow_region_passthrough(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304));
 156     hook_guest_mem(info, 0xa00000, 0xa01000, mem_test_read, passthrough_mem_write, NULL);
 157     add_shadow_region_passthrough(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791));
 158   }
 159
 160     add_shadow_region_passthrough(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768));
 161
 162   // test - give linux accesss to PCI space - PAD
 163   add_shadow_region_passthrough(info, 0xc0000000,0xffffffff,0xc0000000);
 164
 165
 166   print_shadow_map(&(info->mem_map));
 167
 168
 169   {
 170     struct vm_device * ramdisk = NULL;
 171     struct vm_device * nvram = create_nvram();
 172     //struct vm_device * timer = create_timer();
 173     struct vm_device * pic = create_pic();
 174     struct vm_device * keyboard = create_keyboard();
 175     struct vm_device * pit = create_pit();
 176     //struct vm_device * serial = create_serial();
 177     struct vm_device * generic = NULL;
 178     //Zheng 09/29/2008
 179
 180     if (use_ramdisk) {
 181       ramdisk = create_ramdisk();
 182     }
 183
 184
 185     if (use_generic) {
 186       generic = create_generic();
 187
 188       // Make the DMA controller invisible
 189       v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channels 0,1,2,3 (address, counter)
 190       v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channels 4,5,6,7 (address, counter)
 191       v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 0 page register
 192       v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 1 page register
 193       v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 2 page register
 194       v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 3 page register
 195       v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 4 page register
 196       v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 5 page register
 197       v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 6 page register
 198       v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 7 page register
 199       v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE);   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 200       v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE);   // DMA 2 misc registers
 201
 202
 203
 204
 205       // Make the Serial ports invisible
 206
 207       v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 1
 208       v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 2
 209
 210
 211
 212 #ifndef DEBUG_RAMDISK
 213
 214       v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 3
 215       v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 4
 216 #endif
 217
 218
 219
 220       // Make the PCI bus invisible (at least it's configuration)
 221
 222       v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
 223       v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
 224
 225
 226
 227       if (!use_ramdisk) {
 228         // Monitor the IDE controllers (very slow)
 229         v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 230         v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 231       }
 232
 233 #if 1
 234       v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 235       v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 236 #endif
 237
 238
 239 #if 0
 240
 241       // Make the floppy controllers invisible
 242
 243       v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
 244       v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
 245       v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
 246       v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
 247       v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
 248       v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
 249
 250 #endif
 251
 252 #if 1
 253
 254       // Make the parallel port invisible
 255
 256       v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
 257
 258 #endif
 259
 260 #if 1
 261
 262       // Monitor graphics card operations
 263
 264       v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
 265       v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
 266
 267 #endif
 268
 269
 270 #if 1
 271       // Make the ISA PNP features invisible
 272
 273       v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
 274       v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
 275       v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
 276 #endif
 277
 278
 279 #if 1
 280       // Monitor any network card (realtek ne2000) operations
 281       v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
 282 #endif
 283
 284
 285 #if 1
 286       // Make any Bus master ide controller invisible
 287
 288       v3_generic_add_port_range(generic, 0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE);
 289 #endif
 290
 291     }
 292       //  v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);
 293
 294
 295
 296
 297
 298     v3_attach_device(info, nvram);
 299     //v3_attach_device(info, timer);
 300     v3_attach_device(info, pic);
 301     v3_attach_device(info, pit);
 302     v3_attach_device(info, keyboard);
 303     // v3_attach_device(info, serial);
 304
 305     if (use_ramdisk) {
 306       v3_attach_device(info, ramdisk);
 307     }
 308
 309     if (use_generic) {
 310       // Important that this be attached last!
 311       v3_attach_device(info, generic);
 312     }
 313
 314     PrintDebugDevMgr(info);
 315   }
 316
 317   // give keyboard interrupts to vm
 318   // no longer needed since we have a keyboard device
 319   //hook_irq(&vm_info, 1);
 320
 321 #if 0
 322   // give floppy controller to vm
 323   v3_hook_irq_for_guest_injection(info, 6);
 324 #endif
 325
 326
 327   if (!use_ramdisk) {
 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   }
 334
 335   //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
 336
 337   info->rip = 0xfff0;
 338   info->vm_regs.rsp = 0x0;
 339
 340
 341   return 0;
 342 }