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.


Updated to include improved 8254
[palacios.git] / palacios / src / geekos / vm.c
index b0e2b3f..7fc48a8 100644 (file)
@@ -4,16 +4,22 @@
 #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 <devices/8254.h>
+#include <devices/keyboard.h>
 
-#define SPEAKER_PORT 0x61
-
-
+#include <palacios/vmm_intr.h>
+#include <palacios/vmm_dev_mgr.h>
+#include <palacios/vmm_time.h>
 
+#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"
@@ -25,7 +31,7 @@ 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;
 
@@ -40,31 +46,28 @@ inline uchar_t VM_In_Byte(ushort_t port)
 
 
 
+
 int IO_Read(ushort_t port, void * dst, uint_t length, void * priv_data) {
-  uchar_t * iter = dst;
-  uint_t i;
 
-  for (i = 0; i < length; i++) {
-    *iter = VM_In_Byte(port);    
-    iter++;
+  if (length != 1) {
+    return 0;
   }
-  
-  return 0;
+
+  *(uchar_t*)dst = VM_In_Byte(port);    
+  return 1;
 }
 
 
 
 int IO_Write(ushort_t port, void * src, uint_t length, void * priv_data) {
-  uchar_t * iter = src;
-  uint_t i;
-
 
-  for (i = 0; i < length; i++) {
-    VM_Out_Byte(port, *iter);    
-    iter++;
+  if (length != 1) {
+    return 0;
   }
 
-  return 0;
+  VM_Out_Byte(port, *(uchar_t *)src);    
+
+  return 1;
 }
 
 
@@ -150,8 +153,21 @@ 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) {
 
@@ -161,6 +177,8 @@ int RunVMM(struct Boot_Info * bootInfo) {
     addr_t rsp;
     addr_t rip;
 
+
+
     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));
@@ -174,22 +192,28 @@ int RunVMM(struct Boot_Info * bootInfo) {
     os_hooks.free = &VMM_Free;
     os_hooks.vaddr_to_paddr = &Identity;
     os_hooks.paddr_to_vaddr = &Identity;
+    os_hooks.hook_interrupt = &hook_irq_stub;
+    os_hooks.ack_irq = &ack_irq;
+    os_hooks.get_cpu_khz = &get_cpu_khz;
 
-    //   DumpGDT();
     Init_VMM(&os_hooks, &vmm_ops);
   
+
+    /* MOVE THIS TO AN INIT GUEST ROUTINE */
     init_shadow_map(&(vm_info.mem_map));
     init_shadow_page_state(&(vm_info.shdw_pg_state));
-    vm_info.page_mode = SHADOW_PAGING;
+    v3_init_time(&(vm_info.time_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_irq_map(&(vm_info.irq_map));
     init_vmm_io_map(&(vm_info.io_map));
-    init_interrupt_state(&(vm_info.intr_state));
+    init_interrupt_state(&vm_info);
 
     dev_mgr_init(&(vm_info.dev_mgr));
+    /* ** */
     
     if (0) {
       
@@ -236,53 +260,70 @@ int RunVMM(struct Boot_Info * bootInfo) {
       void * region_start;
 
  
-      PrintDebug("Guest Size: %lu\n", bootInfo->guest_size);
+      PrintBoth("Guest Size: %lu\n", bootInfo->guest_size);
 
       struct guest_mem_layout * layout = (struct guest_mem_layout *)0x100000;
 
       if (layout->magic != MAGIC_CODE) {
-       PrintDebug("Layout Magic Mismatch (0x%x)\n", layout->magic);
+       PrintBoth("Layout Magic Mismatch (0x%x)\n", layout->magic);
       }
 
-      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, 0xc0000, 0xc8000, 0xc0000);
+      //     
       add_shadow_region_passthrough(&vm_info, 0x0, 0xa0000, (addr_t)Allocate_VMM_Pages(160));
+      
       add_shadow_region_passthrough(&vm_info, 0xa0000, 0xc0000, 0xa0000); 
-      if (add_shadow_region_passthrough(&vm_info, 0xc8000, 0xf0000, (addr_t)Allocate_VMM_Pages(40)) == -1) {
-       PrintDebug("Error adding shadow region\n");
+      //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) {
+         PrintBoth("Error adding shadow region\n");
+       }
+      } else {
+       add_shadow_region_passthrough(&vm_info, 0xc0000, 0xc8000, 0xc0000);
+       add_shadow_region_passthrough(&vm_info, 0xc8000, 0xf0000, 0xc8000);
       }
 
+
+      //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);
@@ -290,18 +331,69 @@ int RunVMM(struct Boot_Info * bootInfo) {
       hook_io_port(&(vm_info.io_map), 0x403, &IO_Read, &IO_Write_to_Serial, NULL);
 
       {
+       
        struct vm_device * nvram = create_nvram();
-       struct vm_device * timer = create_timer();
+       //struct vm_device * timer = create_timer();
+       struct vm_device * pic = create_pic();
+       struct vm_device * keyboard = create_keyboard();
+       struct vm_device * pit = create_pit();
+
+
+
+#if GENERIC
+       generic_port_range_type range[] = {
+          {0x00, 0x07},   // DMA 1 channels 0,1,2,3 (address, counter)
+          {0xc0, 0xc7},   // DMA 2 channels 4,5,6,7 (address, counter)
+          {0x87, 0x87},   // DMA 1 channel 0 page register
+          {0x83, 0x83},   // DMA 1 channel 1 page register
+          {0x81, 0x81},   // DMA 1 channel 2 page register
+          {0x82, 0x82},   // DMA 1 channel 3 page register
+          {0x8f, 0x8f},   // DMA 2 channel 4 page register
+          {0x8b, 0x8b},   // DMA 2 channel 5 page register
+          {0x89, 0x89},   // DMA 2 channel 6 page register
+          {0x8a, 0x8a},   // DMA 2 channel 7 page register
+         {0x08, 0x0f},   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
+          {0xd0, 0xde},   // DMA 2 misc registers
+          {0x3f0, 0x3f2}, // Primary floppy controller (base,statusa/statusb,DOR)
+          {0x3f4, 0x3f5}, // Primary floppy controller (mainstat/datarate,data)
+          {0x3f7, 0x3f7}, // Primary floppy controller (DIR)
+          {0x370, 0x372}, // Secondary floppy controller (base,statusa/statusb,DOR)
+          {0x374, 0x375}, // Secondary floppy controller (mainstat/datarate,data)
+          {0x377, 0x377}, // Secondary floppy controller (DIR)
+          {0x378, 0x400}
+        };
+
+       struct vm_device * generic = create_generic(range,19,NULL,0,NULL,0);
+       
+#endif
 
        attach_device(&(vm_info), nvram);
        //attach_device(&(vm_info), timer);
-       
-       PrintDebugDevMgr(&(vm_info.dev_mgr));
-       
+       attach_device(&(vm_info), pic);
+       attach_device(&(vm_info), pit);
+       attach_device(&(vm_info), keyboard);
+
+
+#if GENERIC
+       // Important that this be attached last!
+       attach_device(&(vm_info), generic);
 
+#endif
 
+       PrintDebugDevMgr(&(vm_info.dev_mgr));
       }
-      PrintDebug("foo\n");
+
+      // give keyboard interrupts to vm
+      //hook_irq(&vm_info, 1);
+      
+      // give floppy controller to vm
+      //hook_irq(&vm_info, 6);
+
+      // primary ide
+      //hook_irq(&vm_info, 14);
+
+      // secondary ide
+      //hook_irq(&vm_info, 15);
 
 
       vm_info.rip = 0xfff0;