X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Fsrc%2Fgeekos%2Fmain.c;fp=palacios%2Fsrc%2Fgeekos%2Fmain.c;h=0000000000000000000000000000000000000000;hp=2da73ac7e1e1365bb01c05e16d558e8406eb5472;hb=ddc16b0737cf58f7aa90a69c6652cdf4090aec51;hpb=626595465a2c6987606a6bc697df65130ad8c2d3

diff --git a/palacios/src/geekos/main.c b/palacios/src/geekos/main.c
deleted file mode 100644
index 2da73ac..0000000
--- a/palacios/src/geekos/main.c
+++ /dev/null
@@ -1,434 +0,0 @@
-/*
- * GeekOS C code entry point
- * 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: 1.1 $
- * 
- * This is free software.  You are permitted to use,
- * redistribute, and modify it as specified in the file "COPYING".
- */
-
-#include <geekos/bootinfo.h>
-#include <geekos/string.h>
-#include <geekos/screen.h>
-#include <geekos/mem.h>
-#include <geekos/crc32.h>
-#include <geekos/tss.h>
-#include <geekos/int.h>
-#include <geekos/kthread.h>
-#include <geekos/trap.h>
-#include <geekos/timer.h>
-#include <geekos/keyboard.h>
-#include <geekos/io.h>
-#include <geekos/serial.h>
-#include <geekos/reboot.h>
-#include <geekos/mem.h>
-#include <geekos/paging.h>
-#include <geekos/vmx.h>
-#include <geekos/vmcs.h>
-
-#include <geekos/gdt.h>
-
-#include <geekos/vmm_sizes.h>
-
-/*
-  static inline unsigned int cpuid_ecx(unsigned int op)
-  {
-  unsigned int eax, ecx;
-  
-  __asm__("cpuid"
-  : "=a" (eax), "=c" (ecx)
-  : "0" (op)
-  : "bx", "dx" );
-  
-  return ecx;
-  }
-*/
-
-
-
-extern void Get_MSR(ulong_t msr, unsigned int *val1, unsigned int *val2);
-extern void Set_MSR(ulong_t msr, ulong_t val1, ulong_t val2);
-extern uint_t Get_EIP();
-extern uint_t Get_ESP();
-extern uint_t Get_EBP();
-
-
-int foo=42;
-
-#define SPEAKER_PORT 0x61
-
-
-void Buzz(unsigned delay, unsigned num)
-{
-  volatile int x;
-  int i,j;
-  unsigned char init;
-  
-  init=In_Byte(SPEAKER_PORT);
-
-  for (i=0;i<num;i++) { 
-    Out_Byte(SPEAKER_PORT, init|0x2);
-    for (j=0;j<delay;j++) { 
-      x+=j;
-    }
-    Out_Byte(SPEAKER_PORT, init);
-    for (j=0;j<delay;j++) { 
-      x+=j;
-    }
-  }
-}
-
-inline void MyOut_Byte(ushort_t port, uchar_t value)
-{
-    __asm__ __volatile__ (
-	"outb %b0, %w1"
-	:
-	: "a" (value), "Nd" (port)
-    );
-}
-
-/*
- * Read a byte from an I/O port.
- */
-inline uchar_t MyIn_Byte(ushort_t port)
-{
-    uchar_t value;
-
-    __asm__ __volatile__ (
-	"inb %w1, %b0"
-	: "=a" (value)
-	: "Nd" (port)
-    );
-
-    return value;
-}
-
-
-extern void MyBuzzVM();
-
-#define MYBUZZVM_START MyBuzzVM
-#define MYBUZZVM_LEN   0x3d
-
-void BuzzVM()
-{
-  int x;
-  int j;
-  unsigned char init;
-  
-  
-  init=MyIn_Byte(SPEAKER_PORT);
-
-  while (1) {
-    MyOut_Byte(SPEAKER_PORT, init|0x2);
-    for (j=0;j<1000000;j++) { 
-      x+=j;
-    }
-    MyOut_Byte(SPEAKER_PORT, init);
-    for (j=0;j<1000000;j++) { 
-      x+=j;
-    }
-  }
-}
-
-extern void RunVM();
-
-int vmRunning = 0;
-
-void RunVM() {
-  vmRunning = 1;
-
-  while(1);
-}
-
-
-
-
-extern uint_t VMCS_STORE();
-extern uint_t VMCS_READ();
-
-
-
-void Buzzer(ulong_t arg) {
-  ulong_t *doIBuzz = (ulong_t*)arg;
-  while (1) {
-    // Quick and dirty hack to save my hearing...
-    // I'm not too worried about timing, so I'll deal with concurrency later...
-    if (*doIBuzz == 1) {
-      Buzz(1000000, 10);
-    }
-  }
-
-}
-
-
-
-void Hello(ulong_t arg)
-{
-  char *b="hello ";
-  char byte;
-  short port=0xe9;
-  int i;
-  while(1){
-    for (i=0;i<6;i++) { 
-      byte=b[i];
-      __asm__ __volatile__ ("outb %b0, %w1" : : "a"(byte), "Nd"(port) );
-    }
-  }
-}
-
-void Keyboard_Listener(ulong_t arg) {
-  ulong_t * doIBuzz = (ulong_t*)arg;
-  Keycode key_press;
-
-  Print("Press F4 to turn on/off the speaker\n");
-
-  while ((key_press = Wait_For_Key())) {    
-    if (key_press == KEY_F4) {
-      Print("\nToggling Speaker Port\n");
-      SerialPrintLevel(100,"\nToggling Speaker Port\n");
-      *doIBuzz = (*doIBuzz + 1) % 2;
-    } else if (key_press == KEY_F5) {
-      Print("\nMachine Restart\n");
-      SerialPrintLevel(100,"\nMachine Restart\n");
-      machine_real_restart();
-    }
-  }
-  return;
-}
-
-
-
-extern char BSS_START, BSS_END;
-
-extern char end;
-
-
-void VM_Thread(ulong_t arg) 
-{
-  int ret;
-  struct VMDescriptor *vm = (struct VMDescriptor *) arg;
-
-  SerialPrintLevel(100,"VM_Thread: Launching VM with (entry_ip=%x, exit_eip=%x, guest_esp=%x)\n",
-	      vm->entry_ip, vm->exit_eip, vm->guest_esp);
-
-  SerialPrintLevel(100,"VM_Thread: You should see nothing further from me\n");
-
-
-  ret = VMLaunch(vm);
-
-
-  SerialPrintLevel(100,"VM_Thread: uh oh...");
-
-  switch (ret) { 
-  case VMX_SUCCESS:
-    SerialPrintLevel(100,"Normal VMExit Occurred\n");
-    break;
-  case VMX_FAIL_INVALID:
-    SerialPrintLevel(100,"Possibile invalid VMCS (%.8x)\n", ret);
-    break;
-  case VMX_FAIL_VALID:
-    SerialPrintLevel(100,"Valid VMCS, errorcode recorded in VMCS\n");
-    break;
-  case VMM_ERROR:
-    SerialPrintLevel(100,"VMM Error\n");
-    break;
-  default:
-    SerialPrintLevel(100,"VMLaunch returned unknown error (%.8x)\n", ret);
-    break;
-  }
-  
-  SerialPrintLevel(100,"VM_Thread: Spinning\n");
-  while (1) {}
-    
-}
-
-
-int AllocateAndMapPagesForRange(uint_t start, uint_t length, pte_t template_pte)
-{
-  uint_t address;
-
-  for (address=start;address<start+length;address+=PAGE_SIZE) { 
-    void *page;
-    pte_t pte = template_pte;
-    
-    page=Alloc_Page();
-    KASSERT(page);
-    
-    pte.pageBaseAddr=PAGE_ALLIGNED_ADDR(page);
-
-    KASSERT(MapPage((void*)address,&pte,1));
-  }
-  
-  return 0;
-}
-    
-
-
-/*
- * Kernel C code entry point.
- * Initializes kernel subsystems, mounts filesystems,
- * and spawns init process.
- */
-void Main(struct Boot_Info* bootInfo)
-{
-  struct Kernel_Thread * key_thread;
-  struct Kernel_Thread * spkr_thread;
-  struct Kernel_Thread * vm_thread;
-  struct VMDescriptor    vm;
-
-  ulong_t doIBuzz = 0;
-
-
-
-  Init_BSS();
-  Init_Screen();
-  InitSerial();
-  Init_Mem(bootInfo);
-  Init_CRC32();
-  Init_TSS();
-  Init_Interrupts();
-  Init_Scheduler();
-  Init_Traps();
-  Init_Timer();
-  Init_Keyboard();
-  Init_VM(bootInfo);
-  Init_Paging();
-  
-
-
-
-
-  
-#if 1
-  SerialPrint("Dumping VMXASSIST Code (first 512 bytes @ 0x%x)\n",VMXASSIST_START);
-  SerialMemDump((unsigned char *)VMXASSIST_START, 512);
-  SerialPrint("Dumping ROMBIOS Code (first 512 bytes @ 0x%x)\n",BIOS_START);
-  SerialMemDump((unsigned char *)BIOS_START, 512);
-  SerialPrint("Dumping ROMBIOS Code (Second copy) (first 512 bytes @ 0x%x)\n",BIOS2_START);
-  SerialMemDump((unsigned char *)BIOS2_START, 512);
-  SerialPrint("Dumping VGABIOS Code (first 512 bytes @ 0x%x)\n",VGA_BIOS_START);
-  SerialMemDump((unsigned char *)VGA_BIOS_START, 512);
-  
-#endif
-  
-
-
-  SerialPrint("\n\nHello, Welcome to this horrid output-only serial interface\n");
-  SerialPrint("Eventually, this will let us control the VMM\n\n");
- 
-  SerialPrint("\n\n===>");
-  
-  
-  SerialPrintLevel(100,"Initializing VMX\n");
-  PrintBoth("Initializing VMX\n");
-  VmxOnRegion * vmxRegion = InitVMX();
-
-  if (vmxRegion==NULL) { 
-    PrintBoth("VMX Cannot be turned on.  Halted.\n");
-    while (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);
-
-
-// Enable this to run the simple buzzer VM
-#if 0
-
-  // Put the entry around 0x10000, where the geekos kernel used to live
-  vm.entry_ip=(uint_t)0x10000;
-  vm.exit_eip=0;
-  // Put the stack as the last thing in the VM partition
-  vm.guest_esp=(uint_t)START_OF_VM+VM_SIZE-1;
-
-  
-  memcpy(vm.entry_ip,MYBUZZVM_START,MYBUZZVM_LEN);
- 
-  SerialPrintLevel(1000,"VM-Launching MyBuzzVM after copy to 0x10000\n");
-
-  vm_thread = Start_Kernel_Thread(VM_Thread, (ulong_t)&vm,PRIORITY_NORMAL,false);
-
-#else 
-
-#if 0
-
-  // write the hello VM down to where we would usually put
-  // vmxassist, and see if it can talk to us
-  vm.entry_ip=(uint_t)START_OF_VM+0xd000000;
-  vm.exit_eip=0;
-  // Put the stack as the last thing in the VM partition
-  vm.guest_esp=(uint_t)START_OF_VM+VM_SIZE-1;
-
-  
-  memcpy((void*)(vm.entry_ip),Hello,200);  // 200 should be plenty
- 
-  SerialPrintLevel(1000,"VM-Launching HelloVM after copy to 0xd000000\n");
-
-  vm_thread = Start_Kernel_Thread(VM_Thread, (ulong_t)&vm,PRIORITY_NORMAL,false);
-
-#else
-  // Try to launch a real VM
-
-  // First we will copy down VMXAssist, then we'll launch that
-  // and see if it can handle the system bios
-
-  // We now map pages of physical memory into where we are going
-  // to slap the vmxassist, bios, and vgabios code
-  pte_t template_pte;
-
-  template_pte.present=1;
-  template_pte.flags=VM_WRITE|VM_READ|VM_USER|VM_EXEC;
-  template_pte.accessed=0;
-  template_pte.dirty=0;
-  template_pte.pteAttribute=0;
-  template_pte.globalPage=0;
-  template_pte.kernelInfo=0;
-  
-  SerialPrintLevel(1000,"Allocating Pages for VMXASSIST, BIOS, and VGA BIOS\n");
-  
-#define SEGLEN (1024*64)
-
-  AllocateAndMapPagesForRange(START_OF_VM+0xd0000, SEGLEN, template_pte);
-  AllocateAndMapPagesForRange(START_OF_VM+0xf0000, SEGLEN, template_pte);
-  AllocateAndMapPagesForRange(START_OF_VM+0xc0000, SEGLEN, template_pte);
-
-  // Now we should be copying into actual memory
-
-  SerialPrintLevel(1000,"Copying VMXASSIST code from %x to %x (%d bytes)\n", VMXASSIST_START, START_OF_VM+0xd0000,VMXASSIST_LENGTH);
-  memcpy((char*)(START_OF_VM+0xd0000),(char*)VMXASSIST_START,VMXASSIST_LENGTH);
-  SerialPrintLevel(1000,"Copying BIOS (2nd copy) code from %x to %x (%d bytes)\n", BIOS2_START, START_OF_VM+0xf0000,BIOS_LENGTH);
-  memcpy((char*)(START_OF_VM+0xf0000),(char*)BIOS2_START,BIOS_LENGTH);
-  SerialPrintLevel(1000,"Copying VGA BIOS code from %x to %x (%d bytes)\n", VGA_BIOS_START, START_OF_VM+0xc0000,VGA_BIOS_LENGTH);
-  memcpy((char *)(START_OF_VM+0xc0000),(char*)VGA_BIOS_START,VGA_BIOS_LENGTH);
-
-  // jump into vmxassist
-  vm.entry_ip=(uint_t)0xd0000;
-  vm.exit_eip=0;
-  // Put the stack at 512K
-  vm.guest_esp=(uint_t)START_OF_VM+1024*512;
-
-  SerialPrintLevel(1000,"VM-Launching to vmxassist for boot\n");
-
-  vm_thread = Start_Kernel_Thread(VM_Thread, (ulong_t)&vm,PRIORITY_NORMAL,false);
-
-  
-  SerialPrintLevel(1000,"Next: setup GDT\n");
-
-#endif
-#endif
-
-
-  TODO("Write a Virtual Machine Monitor");
-  
-  
-  /* Now this thread is done. */
-  Exit(0);
-}
-
-