Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


added symbiotic virtio device
[palacios.git] / palacios / src / palacios / vmm_config.c
index 1e3e2f3..3d1db47 100644 (file)
+ /* 
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National 
+ * Science Foundation and the Department of Energy.  
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico.  You can find out more at 
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> 
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org> 
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
 #include <palacios/vmm_config.h>
 #include <palacios/vmm.h>
 #include <palacios/vmm_debug.h>
+#include <palacios/vmm_msr.h>
+#include <palacios/vmm_decoder.h>
+#include <palacios/vmm_profiler.h>
+#include <palacios/vmm_mem.h>
+#include <palacios/vmm_hypercall.h>
+#include <palacios/vmm_dev_mgr.h>
 
 
-#include <devices/serial.h>
-#include <devices/keyboard.h>
-#include <devices/8259a.h>
-#include <devices/8254.h>
-#include <devices/nvram.h>
 #include <devices/generic.h>
+#include <devices/ide.h>
+#include <devices/ram_cd.h>
+#include <devices/net_cd.h>
+#include <devices/ram_hd.h>
+#include <devices/net_hd.h>
 
 
-static int passthrough_mem_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
-  //  memcpy(dst, (void*)guest_addr, length);
-  int foo = 20;
+#include <palacios/vmm_host_events.h>
 
+#define USE_GENERIC 1
 
-  memcpy(dst, &foo, length);
 
-  PrintDebug("Passthrough mem read returning: %d (length=%d)\n", foo + (guest_addr & 0xfff), length);
-  return length;
-}
+#include <palacios/vmm_socket.h>
 
-static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
-  memcpy((void*)guest_addr, src, length);
-  return length;
-}
 
+static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
+static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
+static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
 
 
-int config_guest(struct guest_info * info, void * config_ptr) {
 
-  struct guest_mem_layout * layout = (struct guest_mem_layout *)config_ptr;
-  extern v3_cpu_arch_t v3_cpu_type;
-  void * region_start;
-  int i;
 
-  
-  v3_init_time(info);
-  init_shadow_map(info);
-  
-  if (v3_cpu_type == V3_SVM_REV3_CPU) {
-    info->shdw_pg_mode = NESTED_PAGING;
-  } else {
-    init_shadow_page_state(info);
-    info->shdw_pg_mode = SHADOW_PAGING;
-  }
-  
-  info->cpu_mode = REAL;
-  info->mem_mode = PHYSICAL_MEM;
-  
-  init_vmm_io_map(info);
-  init_interrupt_state(info);
-  
-  dev_mgr_init(info);
+static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
 
-  init_emulator(info);
-  
-  //     SerialPrint("Guest Mem Dump at 0x%x\n", 0x100000);
-  //PrintDebugMemDump((unsigned char *)(0x100000), 261 * 1024);
-  if (layout->magic != MAGIC_CODE) {
-    
-    PrintDebug("Layout Magic Mismatch (0x%x)\n", layout->magic);
-    return -1;
-  }
-  
-  PrintDebug("%d layout regions\n", layout->num_regions);
-  
-  region_start = (void *)&(layout->regions[layout->num_regions]);
-  
-  PrintDebug("region start = 0x%x\n", region_start);
-  
-  for (i = 0; i < layout->num_regions; i++) {
-    struct layout_region * reg = &(layout->regions[i]);
-    uint_t num_pages = (reg->length / PAGE_SIZE) + ((reg->length % PAGE_SIZE) ? 1 : 0);
-    void * guest_mem = V3_AllocPages(num_pages);
-    
-    PrintDebug("Layout Region %d bytes\n", reg->length);
-    memcpy(guest_mem, region_start, reg->length);
-    
-    PrintDebugMemDump((unsigned char *)(guest_mem), 16);
-    
-    add_shadow_region_passthrough(info, reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
-    
-    PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), guest_mem);
+    return length;
+    //  memcpy((void*)guest_addr, src, length);
+    PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
+    PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
     
-    region_start += reg->length;
-  }
-  
-      //     
-  add_shadow_region_passthrough(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160));
-  
-  add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000); 
-  //hook_guest_mem(info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL);
-  
-  
-  // TEMP
-  //add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
-  
-  if (1) {
-    add_shadow_region_passthrough(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1));
-    if (add_shadow_region_passthrough(info, 0xc8000, 0xf0000, (addr_t)V3_AllocPages(40)) == -1) {
-      PrintDebug("Error adding shadow region\n");
-    }
-  } else {
-    add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
-    add_shadow_region_passthrough(info, 0xc8000, 0xf0000, 0xc8000);
-  }
-  
-  
-  //  add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
-  { 
-    /* MEMORY HOOK TEST */
-    add_shadow_region_passthrough(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304));
-    hook_guest_mem(info, 0xa00000, 0xa01000, passthrough_mem_read, passthrough_mem_write, NULL);
-    
-    add_shadow_region_passthrough(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791));
+    return length;
+}
 
-  }
-    add_shadow_region_passthrough(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768));
-  // test - give linux accesss to PCI space - PAD
-  add_shadow_region_passthrough(info, 0xc0000000,0xffffffff,0xc0000000);
-  
-  
-  print_shadow_map(&(info->mem_map));
 
-  
-  {
-    
-    struct vm_device * nvram = create_nvram();
-    //struct vm_device * timer = create_timer();
-    struct vm_device * pic = create_pic();
-    struct vm_device * keyboard = create_keyboard();
-    struct vm_device * pit = create_pit(); 
-    //struct vm_device * serial = create_serial();
-    
-    
-#define GENERIC 1
-    
-#if GENERIC
-    generic_port_range_type range[] = {
-#if 1
-      // Make the DMA controller invisible
-
-      {0x00, 0x07, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channels 0,1,2,3 (address, counter)
-      {0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channels 4,5,6,7 (address, counter)
-      {0x87, 0x87, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 0 page register
-      {0x83, 0x83, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 1 page register
-      {0x81, 0x81, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 2 page register
-      {0x82, 0x82, GENERIC_PRINT_AND_IGNORE},   // DMA 1 channel 3 page register
-      {0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 4 page register
-      {0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 5 page register
-      {0x89, 0x89, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 6 page register
-      {0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE},   // DMA 2 channel 7 page register
-      {0x08, 0x0f, GENERIC_PRINT_AND_IGNORE},   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
-      {0xd0, 0xde, GENERIC_PRINT_AND_IGNORE},   // DMA 2 misc registers
-#endif
-      
+int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
+   extern v3_cpu_arch_t v3_cpu_type;
 
-#if 0      
-      // Make the Serial ports invisible 
+    // Amount of ram the Guest will have, rounded to a 4K page boundary
+    info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
 
-      {0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 1
-      {0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE},      // COM 2
-      {0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 3
-      {0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE},      // COM 4
-#endif
 
+    // Initialize the subsystem data strutures
+    v3_init_time(info);
+    v3_init_io_map(info);
+    v3_init_msr_map(info);
+    v3_init_interrupt_state(info);
+    v3_init_exception_state(info);
+    v3_init_dev_mgr(info);
+    v3_init_host_events(info);
 
-#if 1
-      // Make the PCI bus invisible (at least it's configuration)
 
-      {0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE}, // PCI Config Address
-      {0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE}, // PCI Config Data
-#endif
-#if 0
+    v3_init_decoder(info);
+    
+    v3_init_hypercall_map(info);
 
-      // Monitor the IDE controllers (very slow)
 
-      {0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
-      {0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
-      {0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
-      {0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
-#endif
-      
+    // Initialize the memory map
+    v3_init_shadow_map(info);
+    
+    if ((v3_cpu_type == V3_SVM_REV3_CPU) && 
+       (config_ptr->enable_nested_paging == 1)) {
+       PrintDebug("Guest Page Mode: NESTED_PAGING\n");
+       info->shdw_pg_mode = NESTED_PAGING;
+    } else {
+       PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
+       v3_init_shadow_page_state(info);
+       info->shdw_pg_mode = SHADOW_PAGING;
+    }
 
-#if 0
+    if (config_ptr->enable_profiling) {
+       info->enable_profiler = 1;
+       v3_init_profiler(info);
+    } else {
+       info->enable_profiler = 0;
+    }
 
-      // Make the floppy controllers invisible
+    if (config_ptr->schedule_freq == 0) {
+       // set the schedule frequency to 100 HZ
+       config_ptr->schedule_freq = 100;
+    }
 
-      {0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (base,statusa/statusb,DOR)
-      {0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (mainstat/datarate,data)
-      {0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (DIR)
-      {0x370, 0x372, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (base,statusa/statusb,DOR)
-      {0x374, 0x375, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (mainstat/datarate,data)
-      {0x377, 0x377, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (DIR)
-      
-#endif
+    PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), (void *)config_ptr->schedule_freq);
 
-#if 1
+    info->yield_cycle_period = (V3_CPU_KHZ() * 1000) / config_ptr->schedule_freq;
+    
+    // Initial CPU operating mode
+    info->cpu_mode = REAL;
+    info->mem_mode = PHYSICAL_MEM;
 
-      // Make the parallel port invisible
-      
-      {0x378, 0x37f, GENERIC_PRINT_AND_IGNORE},
+    return 0;
+}
 
-#endif
 
-#if 1
+int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
 
-      // Monitor graphics card operations
+    // Configure the memory map for the guest
+    if (setup_memory_map(info, config_ptr) == -1) {
+       PrintError("Setting up guest memory map failed...\n");
+       return -1;
+    }
+    
+    //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
+  
+    if (setup_devices(info, config_ptr) == -1) {
+       PrintError("Failed to setup devices\n");
+       return -1;
+    }
 
-      {0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH},
-      {0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH},
-      
-#endif
+    info->run_state = VM_STOPPED;
 
+    info->vm_regs.rdi = 0;
+    info->vm_regs.rsi = 0;
+    info->vm_regs.rbp = 0;
+    info->vm_regs.rsp = 0;
+    info->vm_regs.rbx = 0;
+    info->vm_regs.rdx = 0;
+    info->vm_regs.rcx = 0;
+    info->vm_regs.rax = 0;
 
-#if 1
-      // Make the ISA PNP features invisible
+    return 0;
+}
 
-      {0x274, 0x277, GENERIC_PRINT_AND_IGNORE},
-      {0x279, 0x279, GENERIC_PRINT_AND_IGNORE},
-      {0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE},
-#endif
 
 
-#if 1
-      // Monitor any network card (realtek ne2000) operations 
-      {0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH},
-#endif
 
 
-#if 1
-      // Make any Bus master ide controller invisible
-      
-      {0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE},
-#endif
+/* TODO:
+ * The amount of guest memory is stored in info->mem_size
+ * We need to make sure the memory map extends to cover it
+ */
+static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
+    PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
+    
+    // VGA frame buffer
+    if (1) {
+       if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
+           PrintError("Could not map VGA framebuffer\n");
+           return -1;
+       }
+    } else {
+       v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000,  passthrough_mem_write, NULL);
+    }
 
+#define VGABIOS_START 0x000c0000
+#define ROMBIOS_START 0x000f0000
 
-      //         {0x378, 0x400, GENERIC_PRINT_AND_IGNORE}
-      
-      {0,0,0},  // sentinal - must be last
-      
-    };
+    /* layout vgabios */
+    {
+       addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
+       memcpy(V3_VAddr((void *)vgabios_dst), config_ptr->vgabios, config_ptr->vgabios_size);   
+    }
     
+    /* layout rombios */
+    {
+       addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
+       memcpy(V3_VAddr((void *)rombios_dst), config_ptr->rombios, config_ptr->rombios_size);
+    }
 
-    struct vm_device * generic = create_generic(range, NULL, NULL);
-    
+#ifdef CRAY_XT
+    {
+#define SEASTAR_START 0xffe00000 
+#define SEASTAR_END 0xffffffff 
+       // Map the Seastar straight through
+       if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
+           PrintError("Could not map through the seastar\n");
+           return -1;
+       }
+    }
 #endif
-    
-    v3_attach_device(info, nvram);
-    //v3_attach_device(info, timer);
-    v3_attach_device(info, pic);
-    v3_attach_device(info, pit);
-    v3_attach_device(info, keyboard);
-    // v3_attach_device(info, serial);
 
+    print_shadow_map(info);
 
-#if GENERIC
-    // Important that this be attached last!
-    v3_attach_device(info, generic);
-    
-#endif
-    
-    PrintDebugDevMgr(info);
-  }
-  
-  // give keyboard interrupts to vm
-  // no longer needed since we have a keyboard device
-  //hook_irq(&vm_info, 1);
-  
-#if 1
-  // give floppy controller to vm
-  v3_hook_irq_for_guest_injection(info, 6);
-#endif
-  
-#if 1
-  //primary ide
-  v3_hook_irq_for_guest_injection(info, 14);
-  
-  // secondary ide
-  v3_hook_irq_for_guest_injection(info, 15);
-#endif
-  
+    return 0;
+}
 
-  info->rip = 0xfff0;
-  info->vm_regs.rsp = 0x0;
-  
 
-  return 0;
-}
 
+static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
 
+    v3_create_device(info, "8259A", NULL);
+    v3_create_device(info, "KEYBOARD", NULL);
+    v3_create_device(info, "8254_PIT", NULL); 
+    v3_create_device(info, "BOCHS_DEBUG", NULL);
+    v3_create_device(info, "OS_DEBUG", NULL);
+    v3_create_device(info, "LAPIC", NULL);
+    v3_create_device(info, "IOAPIC", "LAPIC");
+    v3_create_device(info, "VMNET", NULL);
+    
+    int use_generic = USE_GENERIC;
 
+    if (config_ptr->enable_pci == 1) {
+       struct ide_cfg ide_config = {"PCI", "PIIX3"};
+       
+       v3_create_device(info, "PCI", NULL);
+       v3_create_device(info, "i440FX", "PCI");
+       v3_create_device(info, "PIIX3", "PCI");
+       
 
+       v3_create_device(info, "LNX_VIRTIO_SYM", "PCI");
+       v3_create_device(info, "LNX_VIRTIO_BLK", "PCI");
+       v3_create_device(info, "LNX_VIRTIO_BALLOON", "PCI");
+       v3_create_device(info, "SYM_SWAP", "LNX_VIRTIO_BLK");
 
 
+       v3_create_device(info, "IDE", &ide_config);
+    } else {
+       v3_create_device(info, "IDE", NULL);
+    }
 
 
+    if (config_ptr->pri_disk_type != NONE) {
+       if (config_ptr->pri_disk_type == CDROM) {
+           if (config_ptr->pri_disk_con == RAM) {
+               struct ram_cd_cfg cfg = {"IDE", 0, 0, 
+                                        (addr_t)(config_ptr->pri_disk_info.ram.data_ptr), 
+                                        config_ptr->pri_disk_info.ram.size};
+
+               PrintDebug("Creating RAM CD\n");
+
+               v3_create_device(info, "RAM-CD", &cfg);
+           } else if (config_ptr->pri_disk_con == NETWORK) {
+               struct net_cd_cfg cfg = {"IDE", 0, 0, 
+                                        config_ptr->pri_disk_info.net.ip_str,
+                                        config_ptr->pri_disk_info.net.port, 
+                                        config_ptr->pri_disk_info.net.disk_name};
+               PrintDebug("Creating NET CD\n");
+
+               v3_create_device(info, "NET-CD", &cfg);
+           }
+       } else if (config_ptr->pri_disk_type == HARDDRIVE) {
+           if (config_ptr->pri_disk_con == RAM) {
+               struct ram_hd_cfg cfg = {"IDE", 0, 0, 
+                                        (addr_t)(config_ptr->pri_disk_info.ram.data_ptr), 
+                                        config_ptr->pri_disk_info.ram.size};
+
+               PrintDebug("Creating RAM HD\n");
+
+               v3_create_device(info, "RAM-HD", &cfg);
+           } else if (config_ptr->pri_disk_con == NETWORK) {
+               struct net_hd_cfg cfg  = {"IDE", 0, 0, 
+                                         config_ptr->pri_disk_info.net.ip_str,
+                                         config_ptr->pri_disk_info.net.port, 
+                                         config_ptr->pri_disk_info.net.disk_name};
+               PrintDebug("Creating NET HD\n");
+               v3_create_device(info, "NET-HD", &cfg);
+           }
+       }
+    }
 
 
 
+    if (config_ptr->sec_disk_type != NONE) {
+       if (config_ptr->sec_disk_type == CDROM) {
+           if (config_ptr->sec_disk_con == RAM) {
+               struct ram_cd_cfg cfg = {"IDE", 0, 1, 
+                                        (addr_t)(config_ptr->sec_disk_info.ram.data_ptr), 
+                                        config_ptr->sec_disk_info.ram.size};
+
+               PrintDebug("Creating RAM CD\n");
+               v3_create_device(info, "RAM-CD", &cfg);
+           } else if (config_ptr->sec_disk_con == NETWORK) {
+               struct net_cd_cfg cfg = {"IDE", 0, 1, 
+                                        config_ptr->sec_disk_info.net.ip_str,
+                                        config_ptr->sec_disk_info.net.port, 
+                                        config_ptr->sec_disk_info.net.disk_name};
+
+               PrintDebug("Creating NET CD\n");
+               v3_create_device(info, "NET-CD", &cfg);    
+           }
+       } else if (config_ptr->sec_disk_type == HARDDRIVE) {
+           if (config_ptr->sec_disk_con == RAM) {
+               struct ram_hd_cfg cfg = {"IDE", 0, 1, 
+                                        (addr_t)(config_ptr->sec_disk_info.ram.data_ptr), 
+                                        config_ptr->sec_disk_info.ram.size};
+               PrintDebug("Creating RAM HD\n");
+               v3_create_device(info, "RAM-HD", &cfg);
+           } else if (config_ptr->sec_disk_con == NETWORK) {
+               struct net_hd_cfg cfg = {"IDE", 0, 1, 
+                                        config_ptr->sec_disk_info.net.ip_str,
+                                        config_ptr->sec_disk_info.net.port, 
+                                        config_ptr->sec_disk_info.net.disk_name};
+               PrintDebug("Creating NET HD\n");
+               v3_create_device(info, "NET-HD", &cfg);
+           }
+       }
+    }
 
 
 
+    if (use_generic) {
+       configure_generic(info, config_ptr);
+    }
 
+    // This should go last because it requires information about the Harddrives
+    v3_create_device(info, "NVRAM", "IDE");
+    
+    PrintDebugDevMgr(info);
 
+    return 0;
+}
 
 
 
 
+static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
+    PrintDebug("Creating Generic Device\n");
+    v3_create_device(info, "GENERIC", NULL);
+    
 
+    struct vm_device * generic = v3_find_dev(info, "GENERIC");
 
-#if 0
+    if (!generic) {
+       PrintError("Could not find generic device\n");
+       return -1;
+    }
 
+    // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
+
+
+    // Make the DMA controller invisible
+    v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channels 0,1,2,3 (address, counter)
+    v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channels 4,5,6,7 (address, counter)
+    v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 0 page register
+    v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 1 page register
+    v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 2 page register
+    v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 3 page register
+    v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 4 page register
+    v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 5 page register
+    v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 6 page register
+    v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 7 page register
+    v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE);   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
+    v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE);   // DMA 2 misc registers
+    
+    
+    
+    
+    // Make the Serial ports invisible 
+    
+    v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 1
+    v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 2
     
-    if (0) {
+
       
-      //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x800000, 0x10000);    
-      //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x1000000, 0);
+
+    v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 3
+    v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 4
+
       
-      rip = (ulong_t)(void*)&BuzzVM;
-      //  rip -= 0x10000;
-      //    rip = (addr_t)(void*)&exit_test;
-      //  rip -= 0x2000;
-      vm_info.rip = rip;
-      rsp = (addr_t)Alloc_Page();
       
-      vm_info.vm_regs.rsp = (rsp +4092 );// - 0x2000;
+
+    // Make the PCI bus invisible (at least it's configuration)
+    
+    //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
+    //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
+    
+    
+    
+#if 0
+    if (!use_ramdisk) {
+       // Monitor the IDE controllers (very slow)
+       v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
+       v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
+    }
+      
+
+    v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
+    v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
+#endif
       
-            
-    } else if (0) {
-      //add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x1000, 0x100000);
-      //      add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x100000, 0x0);
       
-      /*
-       shadow_region_t *ent = Malloc(sizeof(shadow_region_t));;
-       init_shadow_region_physical(ent,0,0x100000,GUEST_REGION_PHYSICAL_MEMORY,
-       0x100000, HOST_REGION_PHYSICAL_MEMORY);
-       add_shadow_region(&(vm_info.mem_map),ent);
-      */
+#if 0
+    
+    // Make the floppy controllers invisible
+    
+    v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
+    v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
+    v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
+    v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
+    v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
+    v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
+    
+#endif
 
-      add_shadow_region_passthrough(&vm_info, 0x0, 0x100000, 0x100000);
+#if 1
 
-      v3_hook_io_port(&vm_info, 0x61, &IO_Read, &IO_Write, NULL);
-      v3_hook_io_port(&vm_info, 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
+    // Make the parallel port invisible
       
-      /*
-       vm_info.cr0 = 0;
-       vm_info.cs.base=0xf000;
-       vm_info.cs.limit=0xffff;
-      */
-      //vm_info.rip = 0xfff0;
-
-      vm_info.rip = 0;
-      vm_info.vm_regs.rsp = 0x0;
-    } else {
-   
-    }
+    v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
+
+#endif
+
+#if 1
 
+    // Monitor graphics card operations
+    
+    v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
+    v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
+      
 #endif
+
+
+#if 1
+    // Make the ISA PNP features invisible
+    
+    v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
+    v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
+    v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
+#endif
+
+
+#if 1
+    // Monitor any network card (realtek ne2000) operations 
+    v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
+#endif
+
+    //  v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);
+    
+    return 0;
+}