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.


Incorporated XED inclusion code.
[palacios.git] / palacios / src / geekos / vm.c
index 2dd250f..661f5d1 100644 (file)
@@ -4,20 +4,28 @@
 #include <geekos/serial.h>
 #include <geekos/vm.h>
 #include <geekos/screen.h>
-#include <palacios/vmm_dev_mgr.h>
+
+#include <devices/generic.h>
 #include <devices/nvram.h>
 #include <devices/timer.h>
 #include <devices/simple_pic.h>
 #include <devices/8259a.h>
-#include <palacios/vmm_intr.h>
+#include <devices/8254.h>
+#include <devices/keyboard.h>
+#include <devices/serial.h>
 
+#include <palacios/vmm_intr.h>
+#include <palacios/vmm_dev_mgr.h>
+#include <palacios/vmm_time.h>
 
-#define SPEAKER_PORT 0x61
-
+//test decoder
+//#include <palacios/vmm_decoder.h>
 
+extern int parse();
 
+#define SPEAKER_PORT 0x61
 
-inline void VM_Out_Byte(ushort_t port, uchar_t value)
+static inline void VM_Out_Byte(ushort_t port, uchar_t value)
 {
     __asm__ __volatile__ (
        "outb %b0, %w1"
@@ -29,7 +37,7 @@ inline void VM_Out_Byte(ushort_t port, uchar_t value)
 /*
  * Read a byte from an I/O port.
  */
-inline uchar_t VM_In_Byte(ushort_t port)
+static inline uchar_t VM_In_Byte(ushort_t port)
 {
     uchar_t value;
 
@@ -44,6 +52,7 @@ inline uchar_t VM_In_Byte(ushort_t port)
 
 
 
+
 int IO_Read(ushort_t port, void * dst, uint_t length, void * priv_data) {
 
   if (length != 1) {
@@ -78,6 +87,9 @@ int IO_Read_to_Serial(ushort_t port, void * dst, uint_t length, void * priv_data
 char * bochs_debug_buf = NULL;
 int bochs_debug_offset = 0;
 
+char * bochs_info_buf = NULL;
+int bochs_info_offset = 0;
+
 
 int IO_BOCHS_debug(ushort_t port, void * src, uint_t length, void * priv_data) {
   if (!bochs_debug_buf) {
@@ -87,7 +99,7 @@ int IO_BOCHS_debug(ushort_t port, void * src, uint_t length, void * priv_data) {
   bochs_debug_buf[bochs_debug_offset++] = *(char*)src;
 
   if ((*(char*)src == 0xa) ||  (bochs_debug_offset == 1023)) {
-    SerialPrint("BOCHS>%s", bochs_debug_buf);
+    SerialPrint("BOCHSDEBUG>%s", bochs_debug_buf);
     memset(bochs_debug_buf, 0, 1024);
     bochs_debug_offset = 0;
   }
@@ -95,6 +107,22 @@ int IO_BOCHS_debug(ushort_t port, void * src, uint_t length, void * priv_data) {
   return length;
 }
 
+int IO_BOCHS_info(ushort_t port, void * src, uint_t length, void * priv_data) {
+  if (!bochs_info_buf) {
+    bochs_info_buf = (char*)Malloc(1024);
+  }
+
+  bochs_info_buf[bochs_info_offset++] = *(char*)src;
+
+  if ((*(char*)src == 0xa) ||  (bochs_info_offset == 1023)) {
+    SerialPrint("BOCHSINFO>%s", bochs_info_buf);
+    memset(bochs_info_buf, 0, 1024);
+    bochs_info_offset = 0;
+  }
+
+  return length;
+}
+
 
 int IO_Write_to_Serial(ushort_t port, void * src, uint_t length, void * priv_data) {
  SerialPrint("Output from Guest on port %d (0x%x) Length=%d\n", port, port, length);
@@ -150,9 +178,22 @@ void BuzzVM()
 
 
 
+int passthrough_mem_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
+  memcpy(dst, (void*)guest_addr, length);
+  return length;
+}
 
+int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
+  memcpy((void*)guest_addr, src, length);
+  return length;
+}
 
 
+
+/* We need a configuration mechanism, so we can wrap this completely inside the VMM code, 
+ * with no pollution into the HOST OS
+ */
+
 int RunVMM(struct Boot_Info * bootInfo) {
 
     struct vmm_os_hooks os_hooks;
@@ -163,6 +204,8 @@ int RunVMM(struct Boot_Info * bootInfo) {
 
 
 
+
+
     memset(&os_hooks, 0, sizeof(struct vmm_os_hooks));
     memset(&vmm_ops, 0, sizeof(struct vmm_ctrl_ops));
     memset(&vm_info, 0, sizeof(struct guest_info));
@@ -177,22 +220,42 @@ int RunVMM(struct Boot_Info * bootInfo) {
     os_hooks.vaddr_to_paddr = &Identity;
     os_hooks.paddr_to_vaddr = &Identity;
     os_hooks.hook_interrupt = &hook_irq_stub;
+    os_hooks.hook_interrupt_new = &geekos_hook_interrupt_new;
     os_hooks.ack_irq = &ack_irq;
-    //   DumpGDT();
+    os_hooks.get_cpu_khz = &get_cpu_khz;
+
+
+
     Init_VMM(&os_hooks, &vmm_ops);
+
+    //test decoder
+    PrintBoth("testing decoder\n");
+    parse();
+    PrintBoth("testing decoder done\n");
   
+
+    /* MOVE THIS TO AN INIT GUEST ROUTINE */
+   
+    
+    v3_init_time(&(vm_info.time_state));
     init_shadow_map(&(vm_info.mem_map));
-    init_shadow_page_state(&(vm_info.shdw_pg_state));
-    vm_info.page_mode = SHADOW_PAGING;
+
+    if ((vmm_ops).has_nested_paging()) {
+      vm_info.shdw_pg_mode = NESTED_PAGING;
+    } else {
+      init_shadow_page_state(&(vm_info.shdw_pg_state));
+      vm_info.shdw_pg_mode = SHADOW_PAGING;
+    }
 
     vm_info.cpu_mode = REAL;
+    vm_info.mem_mode = PHYSICAL_MEM;
 
     //init_irq_map(&(vm_info.irq_map));
     init_vmm_io_map(&(vm_info.io_map));
     init_interrupt_state(&vm_info);
 
     dev_mgr_init(&(vm_info.dev_mgr));
+    /* ** */
     
     if (0) {
       
@@ -238,47 +301,56 @@ int RunVMM(struct Boot_Info * bootInfo) {
       int i;
       void * region_start;
 
-      PrintDebug("Guest Size: %lu\n", bootInfo->guest_size);
+      extern char _binary_vm_kernel_start;
+      PrintBoth(" Guest Load Addr: 0x%x\n", &_binary_vm_kernel_start);
 
-      struct guest_mem_layout * layout = (struct guest_mem_layout *)0x100000;
+      struct guest_mem_layout * layout = (struct guest_mem_layout *)&_binary_vm_kernel_start;
 
+      //     SerialPrint("Guest Mem Dump at 0x%x\n", 0x100000);
+      //SerialMemDump((unsigned char *)(0x100000), 261 * 1024);
       if (layout->magic != MAGIC_CODE) {
-       PrintDebug("Layout Magic Mismatch (0x%x)\n", layout->magic);
+       
+       PrintBoth("Layout Magic Mismatch (0x%x)\n", layout->magic);
+       return -1;
       }
 
-      PrintDebug("%d layout regions\n", layout->num_regions);
+      PrintBoth("%d layout regions\n", layout->num_regions);
 
       region_start = (void *)&(layout->regions[layout->num_regions]);
 
-      PrintDebug("region start = 0x%x\n", region_start);
+      PrintBoth("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 = Allocate_VMM_Pages(num_pages);
 
-       PrintDebug("Layout Region %d bytes\n", reg->length);
+       PrintBoth("Layout Region %d bytes\n", reg->length);
        memcpy(guest_mem, region_start, reg->length);
        
        SerialMemDump((unsigned char *)(guest_mem), 16);
 
        add_shadow_region_passthrough(&vm_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);
+       PrintBoth("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), guest_mem);
 
        region_start += reg->length;
       }
       
       //     
       add_shadow_region_passthrough(&vm_info, 0x0, 0xa0000, (addr_t)Allocate_VMM_Pages(160));
-      add_shadow_region_passthrough(&vm_info, 0xa0000, 0xc0000, 0xa0000); 
       
+      add_shadow_region_passthrough(&vm_info, 0xa0000, 0xc0000, 0xa0000); 
+      //hook_guest_mem(&vm_info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL);
+
+
+      // TEMP
+      //add_shadow_region_passthrough(&vm_info, 0xc0000, 0xc8000, 0xc0000);
 
       if (1) {
        add_shadow_region_passthrough(&vm_info, 0xc7000, 0xc8000, (addr_t)Allocate_VMM_Pages(1));
        if (add_shadow_region_passthrough(&vm_info, 0xc8000, 0xf0000, (addr_t)Allocate_VMM_Pages(40)) == -1) {
-         PrintDebug("Error adding shadow region\n");
+         PrintBoth("Error adding shadow region\n");
        }
       } else {
        add_shadow_region_passthrough(&vm_info, 0xc0000, 0xc8000, 0xc0000);
@@ -286,42 +358,128 @@ int RunVMM(struct Boot_Info * bootInfo) {
       }
 
 
+      //add_shadow_region_passthrough(&vm_info, 0x100000, 0x2000000, (addr_t)Allocate_VMM_Pages(8192));
+      add_shadow_region_passthrough(&vm_info, 0x100000, 0x1000000, (addr_t)Allocate_VMM_Pages(4096));
+
+      // test - give linux accesss to PCI space - PAD
+      add_shadow_region_passthrough(&vm_info, 0xc0000000,0xffffffff,0xc0000000);
+
+
       print_shadow_map(&(vm_info.mem_map));
 
       hook_io_port(&(vm_info.io_map), 0x61, &IO_Read, &IO_Write, NULL);
-      hook_io_port(&(vm_info.io_map), 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
+      //hook_io_port(&(vm_info.io_map), 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
+
 
-      /*
-       hook_io_port(&(vm_info.io_map), 0x20, &IO_Read, &IO_Write_to_Serial, NULL);
-       hook_io_port(&(vm_info.io_map), 0x21, &IO_Read, &IO_Write_to_Serial, NULL);
-       hook_io_port(&(vm_info.io_map), 0xa0, &IO_Read, &IO_Write_to_Serial, NULL);
-       hook_io_port(&(vm_info.io_map), 0xa1, &IO_Read, &IO_Write_to_Serial, NULL);
-      */
       hook_io_port(&(vm_info.io_map), 0x400, &IO_Read, &IO_Write_to_Serial, NULL);
       hook_io_port(&(vm_info.io_map), 0x401, &IO_Read, &IO_Write_to_Serial, NULL);
-      hook_io_port(&(vm_info.io_map), 0x402, &IO_Read, &IO_BOCHS_debug, NULL);
-      hook_io_port(&(vm_info.io_map), 0x403, &IO_Read, &IO_Write_to_Serial, NULL);
+      hook_io_port(&(vm_info.io_map), 0x402, &IO_Read, &IO_BOCHS_info, NULL);
+      hook_io_port(&(vm_info.io_map), 0x403, &IO_Read, &IO_BOCHS_debug, NULL);
 
       {
-       //struct vm_device * nvram = create_nvram();
+       
+       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
+          {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
+
+         
+         {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
+         
+#if 0
+           {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
+
+
+#if 0
+         {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
 
-       //attach_device(&(vm_info), nvram);
+         //      {0x378, 0x400, GENERIC_PRINT_AND_IGNORE}
+
+         {0,0,0},  // sentinal - must be last
+
+        };
+
+
+       struct vm_device * generic = create_generic(range, NULL, NULL);
+
+#endif
+
+       attach_device(&(vm_info), nvram);
        //attach_device(&(vm_info), timer);
        attach_device(&(vm_info), pic);
+       attach_device(&(vm_info), pit);
+       attach_device(&(vm_info), keyboard);
+       // attach_device(&(vm_info), serial);
+
+
+#if GENERIC
+       // Important that this be attached last!
+       attach_device(&(vm_info), generic);
+
+#endif
 
        PrintDebugDevMgr(&(vm_info.dev_mgr));
       }
 
-      //      hook_irq(&vm_info, 6);
-      hook_irq(&vm_info, 14);
-      hook_irq(&vm_info, 15);
+      // 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
+      hook_irq_for_guest_injection(&vm_info, 6);
+#endif
+
+#if 1
+      //primary ide
+      hook_irq_for_guest_injection(&vm_info, 14);
+
+      // secondary ide
+      hook_irq_for_guest_injection(&vm_info, 15);
+#endif
+
 
       vm_info.rip = 0xfff0;
       vm_info.vm_regs.rsp = 0x0;
     }
 
+
     PrintBoth("Initializing Guest (eip=0x%.8x) (esp=0x%.8x)\n", (uint_t)vm_info.rip,(uint_t)vm_info.vm_regs.rsp);
     (vmm_ops).init_guest(&vm_info);
     PrintBoth("Starting Guest\n");