* 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: 1.26 $
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
+ * $Revision: 1.47 $
*
* This is free software. You are permitted to use,
* redistribute, and modify it as specified in the file "COPYING".
#include <geekos/malloc.h>
#include <geekos/debug.h>
-#include <geekos/vmm.h>
+#include <geekos/vm.h>
#include <geekos/gdt.h>
-
#include <geekos/vmm_stubs.h>
+#include <geekos/pci.h>
+
+
+#include <geekos/net.h>
+
#define SPEAKER_PORT 0x61
+
+
+void Spin()
+{
+ // hack - competing thread
+ while (1) {};
+
+}
+
+
void Buzz(unsigned delay, unsigned num)
{
volatile int x;
-int IO_Read(ushort_t port, void * dst, uint_t length) {
- uchar_t * iter = dst;
- uint_t i;
-
- for (i = 0; i < length; i++) {
- *iter = MyIn_Byte(port);
- iter++;
- }
-
- return 0;
-}
-
-
-
-int IO_Write(ushort_t port, void * src, uint_t length) {
- uchar_t * iter = src;
- uint_t i;
-
-
- for (i = 0; i < length; i++) {
- MyOut_Byte(port, *iter);
- iter++;
- }
-
- return 0;
-}
-
-
-void BuzzVM()
-{
- int x;
- int j;
- unsigned char init;
-
-#if 0
- __asm__ __volatile__ (
- "popf"
- );
-
-#endif
-
- PrintBoth("Starting To Buzz\n");
-
- 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;
- }
- }
-}
-
-
-
-
*/
void Main(struct Boot_Info* bootInfo)
{
- struct Kernel_Thread * key_thread;
- struct Kernel_Thread * spkr_thread;
- ulong_t doIBuzz = 0;
+
+ //Out_Byte(0x1234,5);
+ //Out_Byte(0x1234,5);
Init_BSS();
Init_Screen();
-
Init_Serial();
+
+ /* {
+ extern char BSS_START, BSS_END;
+
+ SerialPrint("BSS 0x%x->0x%x\n", &BSS_START, &BSS_END);
+
+ }*/
+
+
+ // SerialPrint("Guest Mem Dump at 0x%x\n", 0x100000);
+ //SerialMemDump((unsigned char *)(0x100000), 261 * 1024);
+
Init_Mem(bootInfo);
Init_CRC32();
Init_TSS();
Init_Keyboard();
Init_VM(bootInfo);
Init_Paging();
+
+ //Init_PCI();
+
+ Init_Stubs();
+
+ Init_Network();
+
// Init_IDE();
#if 0
SerialPrint("Dumping VM kernel Code (first 128 bytes @ 0x%x)\n", 0x100000);
- SerialMemDump((unsigned char *)0xfe000, 4096);
+ 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 1
+ struct Kernel_Thread *spin_thread;
+
+ spin_thread=Start_Kernel_Thread(Spin,0,PRIORITY_NORMAL,false);
+
+#endif
+
#if 0
- SerialPrint("Dumping BIOS code f0000-fffff\n\n");
- SerialMemDump((unsigned char *)0xf0000, 65536);
+ {
+
+ struct Kernel_Thread * key_thread;
+ struct Kernel_Thread * spkr_thread;
+
+ ulong_t doIBuzz = 0;
+
+ SerialPrint("Dumping BIOS code ffff0-fffff\n\n");
+ SerialMemDump((unsigned char *)0x10fff0, 16);
/*
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");
+ SerialPrint("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;
- 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(struct guest_info));
-
- os_hooks.print_debug = &PrintBoth;
- os_hooks.print_info = &Print;
- os_hooks.print_trace = &SerialPrint;
- os_hooks.allocate_pages = &Allocate_VMM_Pages;
- 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_vmm_io_map(&(vm_info.io_map));
-
- if (0) {
-
- // add_shared_mem_range(&(vm_info.mem_layout), 0, 0x800000, 0x10000);
- // add_shared_mem_range(&(vm_info.mem_layout), 0, 0x1000000, 0);
-
- rip = (ulong_t)(void*)&BuzzVM;
- // rip -= 0x10000;
- // rip = (addr_t)(void*)&exit_test;
- // rip -= 0x2000;
- vm_info.rip = rip;
- rsp = (addr_t)Alloc_Page();
-
- 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, 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.cr0 = 0;
- vm_info.cs.base=0xf000;
- vm_info.cs.limit=0xffff;
- */
- 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");
- (vmm_ops).start_guest(&vm_info);
+ {
+ RunVMM(bootInfo);
}
-
+ SerialPrint("RunVMM returned, spinning\n");
+ while (1) {}
TODO("Write a Virtual Machine Monitor");
