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       {0x00, 0x07, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channels 0,1,2,3 (address, counter)
 122       {0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channels 4,5,6,7 (address, counter)
 123       {0x87, 0x87, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 0 page register
 124       {0x83, 0x83, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 1 page register
 125       {0x81, 0x81, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 2 page register
 126       {0x82, 0x82, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 3 page register
 127       {0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 4 page register
 128       {0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 5 page register
 129       {0x89, 0x89, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 6 page register
 130       {0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 7 page register
 131       {0x08, 0x0f, GENERIC_PRINT_AND_IGNORE},   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 132       {0xd0, 0xde, GENERIC_PRINT_AND_IGNORE},   // DMA 2 misc registers
 133 #endif
 134
 135
 136       {0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 1
 137       {0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 2
 138       {0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 3
 139       {0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 4
 140
 141 #if 0
 142       {0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
 143       {0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
 144       {0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
 145       {0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
 146 #endif
 147
 148
 149 #if 0
 150       {0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (base,statusa/statusb,DOR)
 151       {0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (mainstat/datarate,data)
 152       {0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (DIR)
 153       {0x370, 0x372, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (base,statusa/statusb,DOR)
 154       {0x374, 0x375, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (mainstat/datarate,data)
 155       {0x377, 0x377, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (DIR)
 156
 157 #endif
 158
 159       //          {0x378, 0x400, GENERIC_PRINT_AND_IGNORE}
 160
 161       {0,0,0},  // sentinal - must be last
 162
 163     };
 164
 165
 166     struct vm_device * generic = create_generic(range, NULL, NULL);
 167
 168 #endif
 169
 170     v3_attach_device(info, nvram);
 171     //v3_attach_device(info, timer);
 172     v3_attach_device(info, pic);
 173     v3_attach_device(info, pit);
 174     v3_attach_device(info, keyboard);
 175     // v3_attach_device(info, serial);
 176
 177
 178 #if GENERIC
 179     // Important that this be attached last!
 180     v3_attach_device(info, generic);
 181
 182 #endif
 183
 184     PrintDebugDevMgr(info);
 185   }
 186
 187   // give keyboard interrupts to vm
 188   // no longer needed since we have a keyboard device
 189   //hook_irq(&vm_info, 1);
 190
 191 #if 1
 192   // give floppy controller to vm
 193   v3_hook_irq_for_guest_injection(info, 6);
 194 #endif
 195
 196 #if 1
 197   //primary ide
 198   v3_hook_irq_for_guest_injection(info, 14);
 199
 200   // secondary ide
 201   v3_hook_irq_for_guest_injection(info, 15);
 202 #endif
 203
 204
 205   info->rip = 0xfff0;
 206   info->vm_regs.rsp = 0x0;
 207
 208
 209   return 0;
 210 }
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233 #if 0
 234
 235
 236     if (0) {
 237
 238       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x800000, 0x10000);
 239       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x1000000, 0);
 240
 241       rip = (ulong_t)(void*)&BuzzVM;
 242       //  rip -= 0x10000;
 243       //    rip = (addr_t)(void*)&exit_test;
 244       //  rip -= 0x2000;
 245       vm_info.rip = rip;
 246       rsp = (addr_t)Alloc_Page();
 247
 248       vm_info.vm_regs.rsp = (rsp +4092 );// - 0x2000;
 249
 250
 251     } else if (0) {
 252       //add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x1000, 0x100000);
 253       //      add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x100000, 0x0);
 254
 255       /*
 256         shadow_region_t *ent = Malloc(sizeof(shadow_region_t));;
 257         init_shadow_region_physical(ent,0,0x100000,GUEST_REGION_PHYSICAL_MEMORY,
 258         0x100000, HOST_REGION_PHYSICAL_MEMORY);
 259         add_shadow_region(&(vm_info.mem_map),ent);
 260       */
 261
 262       add_shadow_region_passthrough(&vm_info, 0x0, 0x100000, 0x100000);
 263
 264       v3_hook_io_port(&vm_info, 0x61, &IO_Read, &IO_Write, NULL);
 265       v3_hook_io_port(&vm_info, 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
 266
 267       /*
 268         vm_info.cr0 = 0;
 269         vm_info.cs.base=0xf000;
 270         vm_info.cs.limit=0xffff;
 271       */
 272       //vm_info.rip = 0xfff0;
 273
 274       vm_info.rip = 0;
 275       vm_info.vm_regs.rsp = 0x0;
 276     } else {
 277
 278     }
 279
 280 #endif