* 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 $
+ * $Revision: 1.10 $
*
* This is free software. You are permitted to use,
* redistribute, and modify it as specified in the file "COPYING".
#include <geekos/reboot.h>
#include <geekos/mem.h>
#include <geekos/paging.h>
-#include <geekos/vmx.h>
-#include <geekos/vmcs.h>
+#include <geekos/ide.h>
+
+#include <geekos/vmm.h>
#include <geekos/gdt.h>
extern char end;
-
+/*
void VM_Thread(ulong_t arg)
{
int ret;
while (1) {}
}
-
+*/
int AllocateAndMapPagesForRange(uint_t start, uint_t length, pte_t template_pte)
{
{
struct Kernel_Thread * key_thread;
struct Kernel_Thread * spkr_thread;
- struct Kernel_Thread * vm_thread;
- struct VMDescriptor vm;
+ // struct Kernel_Thread * vm_thread;
+ // struct VMDescriptor vm;
ulong_t doIBuzz = 0;
-
-
Init_BSS();
Init_Screen();
+
+
InitSerial();
Init_Mem(bootInfo);
Init_CRC32();
Init_Keyboard();
Init_VM(bootInfo);
Init_Paging();
-
+ // Init_IDE();
+ Print("Done; stalling\n");
+#if 0
+ SerialPrint("Dumping VM kernel Code (first 512 bytes @ 0x%x)\n",VM_KERNEL_START);
+ SerialMemDump((unsigned char *)VM_KERNEL_START, 512);
+ /*
+ SerialPrint("Dumping kernel Code (first 512 bytes @ 0x%x)\n",KERNEL_START);
+ SerialMemDump((unsigned char *)VM_KERNEL_START, 512);
+ */
+#endif
+
#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);
-
+ SerialPrint("Dumping GUEST KERNEL CODE (first 512*2 bytes @ 0x100000)\n");
+ SerialMemDump((unsigned char *)0x100000, 512*2);
#endif
-
+
+
SerialPrint("\n\nHello, Welcome to this horrid output-only serial interface\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) {}
- }
-
+ Init_VMM();
SerialPrintLevel(1000,"Launching Noisemaker and keyboard listener threads\n");
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.globalPage=0;
template_pte.kernelInfo=0;
- SerialPrintLevel(1000,"Allocating Pages for VMXASSIST, BIOS, and VGA BIOS\n");
+ SerialPrintLevel(1000,"Allocating Pages for VM kernel\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);
-
+ AllocateAndMapPagesForRange(START_OF_VM+0x100000, VM_KERNEL_LENGTH / 512, 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);
+ //SerialPrintLevel(1000,"Copying VM code from %x to %x (%d bytes)\n", VM_KERNEL_START, START_OF_VM+0x100000,VM_KERNEL_LENGTH);
+ //memcpy((char*)(START_OF_VM+0x100000),(char*)VM_KERNEL_START,VM_KERNEL_LENGTH);
+
+ //SerialPrintLevel(1000, "VM copied\n");
+ /*
// jump into vmxassist
- vm.entry_ip=(uint_t)0xd0000;
+ vm.entry_ip=(uint_t)0x00107fd0;
vm.exit_eip=0;
// Put the stack at 512K
- vm.guest_esp=(uint_t)START_OF_VM+1024*512;
+ vm.guest_esp=(uint_t)4096 + 8192 - 4;
+ *(unsigned int *)(vm.guest_esp) = 1024 * 1024;
+ vm.guest_esp -= 4;
+ *(unsigned int *)(vm.guest_esp) = 8;
+ vm.guest_esp -= 4;
+ *(unsigned int *)(vm.guest_esp) = vm.guest_esp + 4;;
+ vm.guest_esp -= 4;
+ *(unsigned int *)(vm.guest_esp) = vm.entry_ip;
+ // vm.guest_esp -= 4;
- SerialPrintLevel(1000,"VM-Launching to vmxassist for boot\n");
-
- vm_thread = Start_Kernel_Thread(VM_Thread, (ulong_t)&vm,PRIORITY_NORMAL,false);
+
+ SerialMemDump((unsigned char *)vm.entry_ip, 512);
+ */
+
+ // 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);
}
-
-
