added support for in/out instructions

[palacios.git] / palacios / src / geekos / main.c

diff --git a/palacios/src/geekos/main.c b/palacios/src/geekos/main.c
index 18071b9..9877cd7 100644 (file)
--- a/palacios/src/geekos/main.c
+++ b/palacios/src/geekos/main.c
@@ -3,7 +3,7 @@
  * Copyright (c) 2001,2003,2004 David H. Hovemeyer <daveho@cs.umd.edu>
  * Copyright (c) 2003, Jeffrey K. Hollingsworth <hollings@cs.umd.edu>
  * Copyright (c) 2004, Iulian Neamtiu <neamtiu@cs.umd.edu>
- * $Revision: 1.19 $
+ * $Revision: 1.29 $
  * 
  * This is free software.  You are permitted to use,
  * redistribute, and modify it as specified in the file "COPYING".
@@ -31,6 +31,7 @@
 #include <geekos/debug.h>
 #include <geekos/vmm.h>
 
+
 #include <geekos/gdt.h>
 
 
@@ -87,7 +88,7 @@ inline uchar_t MyIn_Byte(ushort_t port)
 
 
 
-int IO_Read(ushort_t port, void * dst, uint_t length) {
+int IO_Read(ushort_t port, void * dst, uint_t length, uint_t io_width) {
   uchar_t * iter = dst;
   uint_t i;
 
@@ -101,7 +102,7 @@ int IO_Read(ushort_t port, void * dst, uint_t length) {
 
 
 
-int IO_Write(ushort_t port, void * src, uint_t length) {
+int IO_Write(ushort_t port, void * src, uint_t length, uint_t io_width) {
   uchar_t * iter = src;
   uint_t i;
 
@@ -115,12 +116,26 @@ int IO_Write(ushort_t port, void * src, uint_t length) {
 }
 
 
+
+int IO_Write_to_Serial(ushort_t port, void * src, uint_t length, uint_t io_width) {
+  SerialPrint("Output from Guest on port %d (0x%x) Length=%d\n", port, port, length);
+  SerialMemDump(src, length);
+  return length;
+}
+
+
 void BuzzVM()
 {
   int x;
   int j;
   unsigned char init;
-  
+
+#if 0  
+  __asm__ __volatile__ (
+    "popf"
+    );
+    
+#endif
     
   PrintBoth("Starting To Buzz\n");
 
@@ -247,36 +262,45 @@ void Main(struct Boot_Info* bootInfo)
 
   //  Init_IDE();
 
-  Print("Done; stalling\n");
+  // Print("Done; stalling\n");
 
 
   
 #if 1
   SerialPrint("Dumping VM kernel Code (first 128 bytes @ 0x%x)\n", 0x100000);
-  SerialMemDump((unsigned char *)0x100000, 128);
+  SerialMemDump((unsigned char *)0x100000, 256);
   /*
     SerialPrint("Dumping kernel Code (first 512 bytes @ 0x%x)\n",KERNEL_START);
     SerialMemDump((unsigned char *)VM_KERNEL_START, 512);
   */
 #endif
 
+#if 0
+  SerialPrint("Dumping BIOS code f0000-fffff\n\n");
+  SerialMemDump((unsigned char *)0xf0000, 65536);
+  /*
+    SerialPrint("Dumping kernel Code (first 512 bytes @ 0x%x)\n",KERNEL_START);
+    SerialMemDump((unsigned char *)VM_KERNEL_START, 512);
+  */
+#endif
 
-
+#if 1
   SerialPrintLevel(1000,"Launching Noisemaker and keyboard listener threads\n");
   key_thread = Start_Kernel_Thread(Keyboard_Listener, (ulong_t)&doIBuzz, PRIORITY_NORMAL, false);
   spkr_thread = Start_Kernel_Thread(Buzzer, (ulong_t)&doIBuzz, PRIORITY_NORMAL, false);
 
+#endif
 
   {
     struct vmm_os_hooks os_hooks;
     struct vmm_ctrl_ops vmm_ops;
-    guest_info_t vm_info;
+    struct guest_info vm_info;
     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(guest_info_t));
+    memset(&vm_info, 0, sizeof(struct guest_info));
 
     os_hooks.print_debug = &PrintBoth;
     os_hooks.print_info = &Print;
@@ -285,26 +309,26 @@ void Main(struct Boot_Info* bootInfo)
     os_hooks.free_page = &Free_VMM_Page;
     os_hooks.malloc = &VMM_Malloc;
     os_hooks.free = &VMM_Free;
+    os_hooks.vaddr_to_paddr = &Identity;
+    os_hooks.paddr_to_vaddr = &Identity;
 
 
     //   DumpGDT();
     Init_VMM(&os_hooks, &vmm_ops);
   
+    init_shadow_map(&(vm_info.mem_map));
+    init_shadow_page_state(&(vm_info.shdw_pg_state));
+    vm_info.page_mode = SHADOW_PAGING;
+
+    vm_info.cpu_mode = REAL;
 
-    init_mem_layout(&(vm_info.mem_layout));
-    init_mem_list(&(vm_info.mem_list));
     init_vmm_io_map(&(vm_info.io_map));
 
     
-    add_mem_list_pages(&(vm_info.mem_list), vm_range_start, (vm_range_end - vm_range_start) / PAGE_SIZE);
-    //    add_unmapped_mem_range(&(vm_info.mem_layout), 0, 256);
-    //add_shared_mem_range(&(vm_info.mem_layout), guest_kernel_start, (guest_kernel_end - guest_kernel_start) / PAGE_SIZE, guest_kernel_start);
-    //add_guest_mem_range(&(vm_info.mem_layout), guest_kernel_end, 20);
-    
     if (0) {
       
       //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x800000, 0x10000);    
-      add_shared_mem_range(&(vm_info.mem_layout), 0, 0x1000000, 0);
+      //    add_shared_mem_range(&(vm_info.mem_layout), 0, 0x1000000, 0);
       
       rip = (ulong_t)(void*)&BuzzVM;
       //  rip -= 0x10000;
@@ -313,21 +337,33 @@ void Main(struct Boot_Info* bootInfo)
       vm_info.rip = rip;
       rsp = (addr_t)Alloc_Page();
       
-      vm_info.rsp = (rsp +4092 );// - 0x2000;
+      vm_info.vm_regs.rsp = (rsp +4092 );// - 0x2000;
       
             
     } else {
-      add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x1000, 0x100000);
-
+      //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);
 
       hook_io_port(&(vm_info.io_map), 0x61, &IO_Read, &IO_Write);
-
-      vm_info.rip = 0x0;
-      vm_info.rsp = 0x0;
+      hook_io_port(&(vm_info.io_map), 0x05, &IO_Read, &IO_Write_to_Serial);
+      
+      /*
+      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;
     }
 
-    PrintBoth("Initializing Guest (eip=0x%.8x) (esp=0x%.8x)\n", (uint_t)vm_info.rip,(uint_t)vm_info.rsp);
+    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");
     (vmm_ops).start_guest(&vm_info);