2 * This file is part of the Palacios Virtual Machine Monitor developed
3 * by the V3VEE Project with funding from the United States National
4 * Science Foundation and the Department of Energy.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
10 * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
11 * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
12 * All rights reserved.
14 * Author: Jack Lange <jarusl@cs.northwestern.edu>
16 * This is free software. You are permitted to use,
17 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
20 #include <palacios/vm_guest_mem.h>
23 static int pre_config_pc_core(struct guest_info * info, v3_cfg_tree_t * cfg) {
25 info->mem_mode = PHYSICAL_MEM;
28 info->vm_regs.rdi = 0;
29 info->vm_regs.rsi = 0;
30 info->vm_regs.rbp = 0;
31 info->vm_regs.rsp = 0;
32 info->vm_regs.rbx = 0;
33 info->vm_regs.rdx = 0;
34 info->vm_regs.rcx = 0;
35 info->vm_regs.rax = 0;
40 static int post_config_pc_core(struct guest_info * info, v3_cfg_tree_t * cfg) {
42 v3_print_mem_map(info->vm_info);
46 static int post_config_pc(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
48 v3_cfg_tree_t * bios_tree = NULL;
49 v3_cfg_tree_t * bios_list = NULL;
51 bios_tree = v3_cfg_subtree(cfg, "bioses");
54 if (!v3_cfg_val(bios_tree, "disable_vgabios")) {
56 #if defined(V3_CONFIG_SEABIOS) || defined(V3_CONFIG_BOCHSBIOS)
58 #define VGABIOS_START 0x000c0000
61 extern uint8_t v3_vgabios_start[];
62 extern uint8_t v3_vgabios_end[];
63 void * vgabios_dst = 0;
65 if (v3_gpa_to_hva(&(vm->cores[0]), VGABIOS_START, (addr_t *)&vgabios_dst) == -1) {
66 PrintError(vm, VCORE_NONE, "Could not find VGABIOS destination address\n");
70 V3_Print(vm,VCORE_NONE,"Mapping VGA BIOS of %llu bytes at address %p\n", (uint64_t)(v3_vgabios_end-v3_vgabios_start), (void*)VGABIOS_START);
71 memcpy(vgabios_dst, v3_vgabios_start, v3_vgabios_end - v3_vgabios_start);
79 if (!v3_cfg_val(bios_tree, "disable_rombios")) {
83 extern uint8_t v3_rombios_start[];
84 extern uint8_t v3_rombios_end[];
85 void * rombios_dst = 0;
89 if (v3_gpa_to_hva(&(vm->cores[0]), V3_CONFIG_BIOS_START, (addr_t *)&rombios_dst) == -1) {
90 PrintError(vm, VCORE_NONE, "Could not find ROMBIOS destination address\n");
94 V3_Print(vm,VCORE_NONE,"Mapping BIOS of %llu bytes at address %p\n", (uint64_t)(v3_rombios_end-v3_rombios_start), (void*)V3_CONFIG_BIOS_START);
95 memcpy(rombios_dst, v3_rombios_start, v3_rombios_end - v3_rombios_start);
97 #ifdef V3_CONFIG_SEABIOS
98 // SEABIOS is also mapped into end of 4GB region
99 if (v3_add_shadow_mem(vm, V3_MEM_CORE_ANY,
100 0xfffe0000, 0xffffffff,
101 (addr_t)V3_PAddr(rombios_dst)) == -1) {
102 PrintError(vm, VCORE_NONE, "Error mapping SEABIOS to end of memory\n");
105 V3_Print(vm,VCORE_NONE,"Additionally mapping SEABIOS of %llu bytes at address %p\n", (uint64_t)(v3_rombios_end-v3_rombios_start), (void*)0xfffe0000);
111 bios_list = v3_cfg_subtree(bios_tree, "bios");
114 char * id = v3_cfg_val(bios_list, "file");
115 char * addr = v3_cfg_val(bios_list, "address");
116 uint64_t file_ptr = 0;
118 struct v3_cfg_file * file = NULL;
121 PrintError(vm, VCORE_NONE, "Could not find bios file\n");
126 PrintError(vm, VCORE_NONE, "Could not find bios address\n");
130 file = v3_cfg_get_file(vm, id);
132 PrintError(vm, VCORE_NONE, "Invalid BIOS file: %s\n", id);
136 file_ptr = atox(addr);
138 V3_Print(vm, VCORE_NONE, "Copying BIOS ROM (%s) to %p (size=%lld)\n",
143 if (v3_gpa_to_hva(&(vm->cores[0]), (addr_t)file_ptr, (addr_t *)&dest) == -1) {
144 PrintError(vm, VCORE_NONE, "Could not find BIOS (%s) destination address\n", id);
148 memcpy((void*)dest, file->data, file->size);
150 V3_Print(vm, VCORE_NONE, "Moving on to next BIOS file\n");
151 bios_list = v3_cfg_next_branch(bios_list);