+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National
+ * Science Foundation and the Department of Energy.
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico. You can find out more at
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+
+
#include <geekos/vmm_stubs.h>
-#include <palacios/vmm.h>
+
#include <geekos/debug.h>
#include <geekos/serial.h>
#include <geekos/vm.h>
#include <geekos/screen.h>
-#include <palacios/vmm_dev_mgr.h>
-#include <devices/nvram.h>
-#include <devices/timer.h>
-#include <devices/simple_pic.h>
-#include <devices/8259a.h>
-#include <palacios/vmm_intr.h>
-
-#define SPEAKER_PORT 0x61
+#include <palacios/vmm.h>
+#include <palacios/vmm_io.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"
/*
* 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;
+
int IO_Read(ushort_t port, void * dst, uint_t length, void * priv_data) {
if (length != 1) {
char * bochs_debug_buf = NULL;
int bochs_debug_offset = 0;
+char * bochs_info_buf = NULL;
+int bochs_info_offset = 0;
+
int IO_BOCHS_debug(ushort_t port, void * src, uint_t length, void * priv_data) {
if (!bochs_debug_buf) {
bochs_debug_buf[bochs_debug_offset++] = *(char*)src;
if ((*(char*)src == 0xa) || (bochs_debug_offset == 1023)) {
- SerialPrint("BOCHS>%s", bochs_debug_buf);
+ SerialPrint("BOCHSDEBUG>%s", bochs_debug_buf);
memset(bochs_debug_buf, 0, 1024);
bochs_debug_offset = 0;
}
return length;
}
+int IO_BOCHS_info(ushort_t port, void * src, uint_t length, void * priv_data) {
+ if (!bochs_info_buf) {
+ bochs_info_buf = (char*)Malloc(1024);
+ }
+
+ bochs_info_buf[bochs_info_offset++] = *(char*)src;
+
+ if ((*(char*)src == 0xa) || (bochs_info_offset == 1023)) {
+ SerialPrint("BOCHSINFO>%s", bochs_info_buf);
+ memset(bochs_info_buf, 0, 1024);
+ bochs_info_offset = 0;
+ }
+
+ return length;
+}
+
int IO_Write_to_Serial(ushort_t port, void * src, uint_t length, void * priv_data) {
SerialPrint("Output from Guest on port %d (0x%x) Length=%d\n", port, port, length);
}
+/*
+int passthrough_mem_read(void * guest_addr, void * dst, uint_t length, void * priv_data) {
+ memcpy(dst, (void*)guest_addr, length);
+ return length;
+}
+int passthrough_mem_write(void * 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) {
+ void * config_data;
- 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 = &SerialPrint;
- 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;
- os_hooks.hook_interrupt = &hook_irq_stub;
- os_hooks.ack_irq = &ack_irq;
-
- // DumpGDT();
- Init_VMM(&os_hooks, &vmm_ops);
+ struct vmm_os_hooks os_hooks;
+ struct vmm_ctrl_ops vmm_ops;
+ struct guest_info * vm_info = 0;
- 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_irq_map(&(vm_info.irq_map));
- init_vmm_io_map(&(vm_info.io_map));
- init_interrupt_state(&vm_info);
+
+ memset(&os_hooks, 0, sizeof(struct vmm_os_hooks));
+ memset(&vmm_ops, 0, sizeof(struct vmm_ctrl_ops));
- dev_mgr_init(&(vm_info.dev_mgr));
-
- 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 if (0) {
- //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);
- */
-
- add_shadow_region_passthrough(&vm_info, 0x0, 0x100000, 0x100000);
-
- 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);
-
- /*
- 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;
- } else {
- int i;
- void * region_start;
-
-
- PrintDebug("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);
- }
-
- PrintDebug("%d layout regions\n", layout->num_regions);
-
- region_start = (void *)&(layout->regions[layout->num_regions]);
-
- PrintDebug("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);
- 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);
-
- region_start += reg->length;
- }
-
- //
- add_shadow_region_passthrough(&vm_info, 0x0, 0xa0000, (addr_t)Allocate_VMM_Pages(160));
- add_shadow_region_passthrough(&vm_info, 0xa0000, 0xc0000, 0xa0000);
-
-
- 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) {
- PrintDebug("Error adding shadow region\n");
- }
- } else {
- add_shadow_region_passthrough(&vm_info, 0xc0000, 0xc8000, 0xc0000);
- add_shadow_region_passthrough(&vm_info, 0xc8000, 0xf0000, 0xc8000);
- }
-
-
- 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), 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);
- hook_io_port(&(vm_info.io_map), 0x402, &IO_Read, &IO_BOCHS_debug, NULL);
- 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 * pic = create_pic();
-
- attach_device(&(vm_info), nvram);
- //attach_device(&(vm_info), timer);
- attach_device(&(vm_info), pic);
-
- PrintDebugDevMgr(&(vm_info.dev_mgr));
- }
-
- hook_irq(&vm_info, 6);
- hook_irq(&vm_info, 14);
- hook_irq(&vm_info, 15);
-
- vm_info.rip = 0xfff0;
- vm_info.vm_regs.rsp = 0x0;
- }
+
+ os_hooks.print_debug = &SerialPrint;
+ 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;
+ os_hooks.hook_interrupt = &geekos_hook_interrupt_new;
+ os_hooks.ack_irq = &ack_irq;
+ os_hooks.get_cpu_khz = &get_cpu_khz;
+
+
+
+ Init_V3(&os_hooks, &vmm_ops);
+
+ extern char _binary_vm_kernel_start;
+ PrintBoth(" Guest Load Addr: 0x%x\n", &_binary_vm_kernel_start);
+
+ config_data = &_binary_vm_kernel_start;
- 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");
- //Clear_Screen();
- (vmm_ops).start_guest(&vm_info);
+ vm_info = (vmm_ops).allocate_guest();
+ PrintBoth("Allocated Guest\n");
+
+ (vmm_ops).config_guest(vm_info, config_data);
+
+ PrintBoth("Configured guest\n");
+
+
+ //v3_hook_io_port(&vm_info, 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
+
+ //v3_hook_io_port(vm_info, 0x61, &IO_Read, &IO_Write, NULL);
+ //v3_hook_io_port(vm_info, 0x400, &IO_Read, &IO_Write_to_Serial, NULL);
+ //v3_hook_io_port(vm_info, 0x401, &IO_Read, &IO_Write_to_Serial, NULL);
+ //v3_hook_io_port(vm_info, 0x402, &IO_Read, &IO_BOCHS_info, NULL);
+ //v3_hook_io_port(vm_info, 0x403, &IO_Read, &IO_BOCHS_debug, NULL);
+
+
+ (vmm_ops).init_guest(vm_info);
+ PrintBoth("Starting Guest\n");
+ //Clear_Screen();
+ (vmm_ops).start_guest(vm_info);
+
return 0;
}
