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 hypercall registration and handler
[palacios.git] / palacios / src / palacios / vmm_config.c
index d368eb4..5e0defc 100644 (file)
 #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 <devices/serial.h>
 #include <devices/ramdisk.h>
 #include <devices/cdrom.h>
 #include <devices/bochs_debug.h>
+#include <devices/os_debug.h>
+#include <devices/apic.h>
+#include <devices/io_apic.h>
+
 
 
 #include <palacios/vmm_host_events.h>
 
 #define USE_GENERIC 1
 
-#define MAGIC_CODE 0xf1e2d3c4
-
-
 
-struct layout_region {
-  ulong_t length;
-  ulong_t final_addr;
-};
+#define ROMBIOS_START 0x000f0000
+#define VGABIOS_START 0x000c0000
 
-struct guest_mem_layout {
-  ulong_t magic;
-  ulong_t num_regions;
-  struct layout_region regions[0];
-};
 
 
+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 struct vm_device *  configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
 
 
-static int mem_test_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
-  int foo = 20;
 
 
-  memcpy(dst, &foo, length);
+static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
 
-  PrintDebug("Passthrough mem read returning: %d (length=%d)\n", foo + (guest_addr & 0xfff), length);
   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);
 
-static int passthrough_mem_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
-    memcpy(dst, (void*)guest_addr, length);
-    return length;
-}
-
-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;
 }
 
 
 
-int config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
-
-  struct guest_mem_layout * layout = (struct guest_mem_layout *)config_ptr->vm_kernel;
+int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
   extern v3_cpu_arch_t v3_cpu_type;
-  void * region_start;
-  uint_t i;
 
-  int use_ramdisk = config_ptr->use_ramdisk;
-  int use_generic = USE_GENERIC;
+  // 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_dev_mgr(info);
+  v3_init_host_events(info);
 
+  v3_init_decoder(info);
+  
+  v3_init_shadow_map(info);
+  
+  v3_init_hypercall_map(info);
 
-  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);
+    v3_init_shadow_page_state(info);
     info->shdw_pg_mode = SHADOW_PAGING;
   }
   
+  // Initial CPU operating mode
   info->cpu_mode = REAL;
   info->mem_mode = PHYSICAL_MEM;
-  
-  init_vmm_io_map(info);
-  init_interrupt_state(info);
-  
-  dev_mgr_init(info);
 
-  init_emulator(info);
-  
-  v3_init_host_events(info);
+  // Amount of ram the Guest will have
+  info->mem_size = config_ptr->mem_size;
+
+  // Configure the memory map for the guest
+  setup_memory_map(info, config_ptr);
 
+  // Configure the devices for the guest
+  setup_devices(info, config_ptr);
  
-  //     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;
+
+
+  if (config_ptr->enable_profiling) {
+    info->enable_profiler = 1;
+    v3_init_profiler(info);
+  } else {
+    info->enable_profiler = 0;
   }
+
+  //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
+
+  // Setup initial cpu register state
+  info->rip = 0xfff0;
+  info->vm_regs.rsp = 0x0;
   
-  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);
+
+  return 0;
+}
+
+
+/* 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) {
+
+  /* layout rombios */
+  {
+    uint_t num_pages = (config_ptr->rombios_size + PAGE_SIZE - 1) / PAGE_SIZE;
+    void * guest_mem =  V3_AllocPages(num_pages);
+
+    PrintDebug("Layout Region %d bytes\n", config_ptr->rombios_size);
+    memcpy(V3_VAddr(guest_mem), config_ptr->rombios, config_ptr->rombios_size);
+
+    v3_add_shadow_mem(info, ROMBIOS_START, ROMBIOS_START + (num_pages * PAGE_SIZE) - 1, (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);
+    PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n", 
+              (void *)ROMBIOS_START, 
+              (void *)ROMBIOS_START + (num_pages * PAGE_SIZE), 
+              (void *)guest_mem);
+  }
+
+
+  /* layout vgabios */
+  {
+    uint_t num_pages = (config_ptr->vgabios_size + PAGE_SIZE - 1) / PAGE_SIZE;
+    void * guest_mem =  V3_AllocPages(num_pages);
+
+    PrintDebug("Layout Region %d bytes\n", config_ptr->vgabios_size);
+    memcpy(V3_VAddr(guest_mem), config_ptr->vgabios, config_ptr->vgabios_size);
+
+    v3_add_shadow_mem(info, VGABIOS_START, VGABIOS_START + (num_pages * PAGE_SIZE) - 1, (addr_t)guest_mem);
     
-    region_start += reg->length;
+    PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n", 
+              (void *)VGABIOS_START, 
+              (void *)VGABIOS_START + (num_pages * PAGE_SIZE), 
+              (void *)guest_mem);
   }
-  
+
       //     
-  add_shadow_region_passthrough(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160));
+  v3_add_shadow_mem(info, 0x0, 0x9ffff, (addr_t)V3_AllocPages(160));
   
   if (1) {
-    add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000); 
+    v3_add_shadow_mem(info, 0xa0000, 0xbffff, 0xa0000); 
   } else {
-    hook_guest_mem(info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL);
+    v3_hook_write_mem(info, 0xa0000, 0xbffff, 0xa0000,  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) {
+    v3_add_shadow_mem(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1));
+    if (v3_add_shadow_mem(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);
+    v3_add_shadow_mem(info, 0xc0000, 0xc8000, 0xc0000);
+    v3_add_shadow_mem(info, 0xc8000, 0xf0000, 0xc8000);
   }
   
   
   if (1) {
-  add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
+    v3_add_shadow_mem(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
   } else {
     /* MEMORY HOOK TEST */
-    add_shadow_region_passthrough(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304));
-    hook_guest_mem(info, 0xa00000, 0xa01000, mem_test_read, passthrough_mem_write, NULL); 
-    add_shadow_region_passthrough(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791));
+    v3_add_shadow_mem(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304));
+    v3_hook_write_mem(info, 0xa00000, 0xa01000, (addr_t)V3_AllocPages(1), passthrough_mem_write, NULL); 
+    v3_add_shadow_mem(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791));
   }
 
-    add_shadow_region_passthrough(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768));
+  v3_add_shadow_mem(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768));
  
   // test - give linux accesss to PCI space - PAD
-  add_shadow_region_passthrough(info, 0xc0000000,0xffffffff,0xc0000000);
-  
+  //v3_add_shadow_mem(info, 0xc0000000,0xffffffff,0xc0000000);
   
-  print_shadow_map(&(info->mem_map));
   
-  {
+  print_shadow_map(info);
+
+  return 0;
+}
+
+
+
+static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
     struct vm_device * ramdisk = NULL;
     struct vm_device * cdrom = NULL;
-    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 * bochs_debug = create_bochs_debug();
-
-    //struct vm_device * serial = create_serial();
+    struct vm_device * nvram = v3_create_nvram();
+    //struct vm_device * timer = v3_create_timer();
+    struct vm_device * pic = v3_create_pic();
+    struct vm_device * keyboard = v3_create_keyboard();
+    struct vm_device * pit = v3_create_pit(); 
+    struct vm_device * bochs_debug = v3_create_bochs_debug();
+    struct vm_device * os_debug = v3_create_os_debug();
+    struct vm_device * apic = v3_create_apic();
+    struct vm_device * ioapic = v3_create_io_apic(apic);
+
+    //struct vm_device * serial = v3_create_serial();
     struct vm_device * generic = NULL;
 
-
+    int use_ramdisk = config_ptr->use_ramdisk;
+    int use_generic = USE_GENERIC;
 
 
     if (use_ramdisk) {
       PrintDebug("Creating Ramdisk\n");
-      ramdisk = create_ramdisk();
+      ramdisk = v3_create_ramdisk();
       cdrom = v3_create_cdrom(ramdisk, config_ptr->ramdisk, config_ptr->ramdisk_size); 
     }
     
     
     if (use_generic) {
+      generic = configure_generic(info, config_ptr);
+    }
+
+
+    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);
+    v3_attach_device(info, bochs_debug);
+    v3_attach_device(info, os_debug);
+
+    v3_attach_device(info, apic);
+    v3_attach_device(info, ioapic);
+
+    if (use_ramdisk) {
+      v3_attach_device(info, ramdisk);
+      v3_attach_device(info, cdrom);
+    }
+
+    if (use_generic) {
+      // Important that this be attached last!
+      v3_attach_device(info, generic);
+    }
+    
+    PrintDebugDevMgr(info);
+
+
+    // give keyboard interrupts to vm
+    // no longer needed since we have a keyboard device
+    //hook_irq(&vm_info, 1);
+    
+#if 0
+    // give floppy controller to vm
+    v3_hook_passthrough_irq(info, 6);
+#endif
+    
+    
+    if (!use_ramdisk) {
+      PrintDebug("Hooking IDE IRQs\n");
+      
+      //primary ide
+      v3_hook_passthrough_irq(info, 14);
+      
+      // secondary ide
+      v3_hook_passthrough_irq(info, 15);    
+    }  
+    
+
+  return 0;
+}
+
+
+
+static struct vm_device *  configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
       PrintDebug("Creating Generic Device\n");
-      generic = create_generic();
+      struct vm_device * generic = v3_create_generic();
       
       // 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)
@@ -312,60 +402,9 @@ int config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
       
       v3_generic_add_port_range(generic, 0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE);
 #endif
-      
-    }
       //  v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);
       
 
+      return generic;
 
-    
-
-    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);
-    v3_attach_device(info, bochs_debug);
-
-    if (use_ramdisk) {
-      v3_attach_device(info, ramdisk);
-      v3_attach_device(info, cdrom);
-    }
-
-    if (use_generic) {
-      // Important that this be attached last!
-      v3_attach_device(info, generic);
-    }
-    
-    PrintDebugDevMgr(info);
-  }
-  
-  // give keyboard interrupts to vm
-  // no longer needed since we have a keyboard device
-  //hook_irq(&vm_info, 1);
-  
-#if 0
-  // give floppy controller to vm
-  v3_hook_passthrough_irq(info, 6);
-#endif
-  
-
-  if (!use_ramdisk) {
-    PrintDebug("Hooking IDE IRQs\n");
-
-    //primary ide
-    v3_hook_passthrough_irq(info, 14);
-  
-    // secondary ide
-    v3_hook_passthrough_irq(info, 15);    
-  }  
-
-  //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
-
-  info->rip = 0xfff0;
-  info->vm_regs.rsp = 0x0;
-  
-
-  return 0;
 }