--- /dev/null
+/*
+ * 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) 2015, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Peter Dinda <pdinda@northwestern.edu>
+ *
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+#include <palacios/vmm_bios.h>
+#include <palacios/vm_guest_mem.h>
+#include <palacios/vmm_xml.h>
+
+
+
+int v3_setup_bioses(struct v3_vm_info * vm, v3_cfg_tree_t * cfg)
+{
+
+ v3_cfg_tree_t * bios_tree = NULL;
+ v3_cfg_tree_t * bios_list = NULL;
+
+ bios_tree = v3_cfg_subtree(cfg, "bioses");
+
+
+ if (!v3_cfg_val(bios_tree, "disable_vgabios")) {
+
+#if defined(V3_CONFIG_SEABIOS) || defined(V3_CONFIG_BOCHSBIOS)
+
+#define VGABIOS_START 0x000c0000
+ /* layout vgabios */
+ {
+ extern uint8_t v3_vgabios_start[];
+ extern uint8_t v3_vgabios_end[];
+ void * vgabios_dst = 0;
+
+ if (v3_gpa_to_hva(&(vm->cores[0]), VGABIOS_START, (addr_t *)&vgabios_dst) == -1) {
+ PrintError(vm, VCORE_NONE, "Could not find VGABIOS destination address\n");
+ return -1;
+ }
+
+ V3_Print(vm,VCORE_NONE,"Mapping VGA BIOS of %llu bytes at gpa %p (hva %p)\n", (uint64_t)(v3_vgabios_end-v3_vgabios_start), (void*)VGABIOS_START,vgabios_dst);
+ memcpy(vgabios_dst, v3_vgabios_start, v3_vgabios_end - v3_vgabios_start);
+ }
+
+#endif
+
+ }
+
+
+ if (!v3_cfg_val(bios_tree, "disable_rombios")) {
+
+ /* layout rombios */
+ {
+ extern uint8_t v3_rombios_start[];
+ extern uint8_t v3_rombios_end[];
+ void * rombios_dst = 0;
+
+
+
+ if (v3_gpa_to_hva(&(vm->cores[0]), V3_CONFIG_BIOS_START, (addr_t *)&rombios_dst) == -1) {
+ PrintError(vm, VCORE_NONE, "Could not find ROMBIOS destination address\n");
+ return -1;
+ }
+
+ V3_Print(vm,VCORE_NONE,"Mapping BIOS of %llu bytes at gpa %p (hva %p)\n", (uint64_t)(v3_rombios_end-v3_rombios_start), (void*)V3_CONFIG_BIOS_START,rombios_dst);
+ memcpy(rombios_dst, v3_rombios_start, v3_rombios_end - v3_rombios_start);
+
+#ifdef V3_CONFIG_SEABIOS
+
+#define SEABIOS_HIGH_START 0xfffe0000
+#define SEABIOS_HIGH_END 0xffffffff
+
+ if (v3_get_mem_region(vm,V3_MEM_CORE_ANY, SEABIOS_HIGH_START)) {
+ // it is already mapped, we are done
+ // note it's mapped to the same place as the low memory copy
+ // so it's now pointing to the fresh copy
+ V3_Print(vm,VCORE_NONE,"BIOS is already mapped\n");
+ } else {
+ if (v3_add_shadow_mem(vm, V3_MEM_CORE_ANY,
+ SEABIOS_HIGH_START, SEABIOS_HIGH_END,
+ (addr_t)V3_PAddr(rombios_dst)) == -1) {
+ PrintError(vm, VCORE_NONE, "Error mapping SEABIOS to end of memory\n");
+ return -1;
+ }
+ V3_Print(vm,VCORE_NONE,"BIOS mapped\n");
+ }
+
+ V3_Print(vm,VCORE_NONE,"Additionally mapping SEABIOS of %llu bytes at gpa %p\n", (uint64_t)(v3_rombios_end-v3_rombios_start), (void*)SEABIOS_HIGH_START);
+#endif
+
+ }
+
+ {
+ void *ba;
+
+// traditional BIOS data area (and IVT, etc). Technically only 0x400-0x4ff is the BDA
+#define BDA_START 0x0
+#define BDA_END 0xfff
+
+// Extended BDA and EBDA2. Technically not standardized. Usually at the
+// end of the 640K chunk. We're just using that last page to play it save
+#define EBDA_START 0x9f000
+#define EBDA_END 0x9ffff
+
+ if (v3_gpa_to_hva(&(vm->cores[0]), BDA_START, (addr_t *)&ba) == -1) {
+ PrintError(vm, VCORE_NONE, "Could not find BDA destination address\n");
+ return -1;
+ }
+
+ memset(ba,0,(BDA_END-BDA_START+1));
+
+ V3_Print(vm,VCORE_NONE,"Cleared BDA %p (HVA %p) through %p\n",(void*)BDA_START,ba,(void*)BDA_END);
+
+ if (v3_gpa_to_hva(&(vm->cores[0]), EBDA_START, (addr_t *)&ba) == -1) {
+ PrintError(vm, VCORE_NONE, "Could not find EBDA destination address\n");
+ return -1;
+ }
+
+ memset(ba,0,(EBDA_END-EBDA_START+1));
+
+ V3_Print(vm,VCORE_NONE,"Cleared EBDA %p (HVA %p) through %p\n",(void*)EBDA_START,ba,(void*)EBDA_END);
+ }
+
+ }
+
+
+
+ bios_list = v3_cfg_subtree(bios_tree, "bios");
+
+ while (bios_list) {
+ char * id = v3_cfg_val(bios_list, "file");
+ char * addr = v3_cfg_val(bios_list, "address");
+ uint64_t file_ptr = 0;
+ void * dest = NULL;
+ struct v3_cfg_file * file = NULL;
+
+ if (!id) {
+ PrintError(vm, VCORE_NONE, "Could not find bios file\n");
+ continue;
+ }
+
+ if (!addr) {
+ PrintError(vm, VCORE_NONE, "Could not find bios address\n");
+ continue;
+ }
+
+ file = v3_cfg_get_file(vm, id);
+ if (!file) {
+ PrintError(vm, VCORE_NONE, "Invalid BIOS file: %s\n", id);
+ continue;
+ }
+
+ file_ptr = atox(addr);
+
+ V3_Print(vm, VCORE_NONE, "Copying BIOS ROM (%s) to %p (size=%lld)\n",
+ id,
+ (void*)file_ptr,
+ file->size);
+
+ if (v3_gpa_to_hva(&(vm->cores[0]), (addr_t)file_ptr, (addr_t *)&dest) == -1) {
+ PrintError(vm, VCORE_NONE, "Could not find BIOS (%s) destination address\n", id);
+ continue;
+ }
+
+ memcpy((void*)dest, file->data, file->size);
+
+ V3_Print(vm, VCORE_NONE, "Moving on to next BIOS file\n");
+ bios_list = v3_cfg_next_branch(bios_list);
+ }
+
+ // NOW BLOW AWAY BDA and EBDA here
+ // possibly also reset CMOS
+
+
+ return 0;
+}
* redistribute, and modify it as specified in the file "V3VEE_LICENSE".
*/
-#include <palacios/vm_guest_mem.h>
-
+#include <palacios/vmm_bios.h>
static int pre_config_pc_core(struct guest_info * info, v3_cfg_tree_t * cfg) {
return 0;
}
-static int post_config_pc(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
-
- v3_cfg_tree_t * bios_tree = NULL;
- v3_cfg_tree_t * bios_list = NULL;
-
- bios_tree = v3_cfg_subtree(cfg, "bioses");
-
-
- if (!v3_cfg_val(bios_tree, "disable_vgabios")) {
-
-#if defined(V3_CONFIG_SEABIOS) || defined(V3_CONFIG_BOCHSBIOS)
-
-#define VGABIOS_START 0x000c0000
- /* layout vgabios */
- {
- extern uint8_t v3_vgabios_start[];
- extern uint8_t v3_vgabios_end[];
- void * vgabios_dst = 0;
-
- if (v3_gpa_to_hva(&(vm->cores[0]), VGABIOS_START, (addr_t *)&vgabios_dst) == -1) {
- PrintError(vm, VCORE_NONE, "Could not find VGABIOS destination address\n");
- return -1;
- }
-
- 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);
- memcpy(vgabios_dst, v3_vgabios_start, v3_vgabios_end - v3_vgabios_start);
- }
-
-#endif
-
- }
-
-
- if (!v3_cfg_val(bios_tree, "disable_rombios")) {
-
- /* layout rombios */
- {
- extern uint8_t v3_rombios_start[];
- extern uint8_t v3_rombios_end[];
- void * rombios_dst = 0;
-
-
-
- if (v3_gpa_to_hva(&(vm->cores[0]), V3_CONFIG_BIOS_START, (addr_t *)&rombios_dst) == -1) {
- PrintError(vm, VCORE_NONE, "Could not find ROMBIOS destination address\n");
- return -1;
- }
-
- 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);
- memcpy(rombios_dst, v3_rombios_start, v3_rombios_end - v3_rombios_start);
-
-#ifdef V3_CONFIG_SEABIOS
- // SEABIOS is also mapped into end of 4GB region
- if (v3_add_shadow_mem(vm, V3_MEM_CORE_ANY,
- 0xfffe0000, 0xffffffff,
- (addr_t)V3_PAddr(rombios_dst)) == -1) {
- PrintError(vm, VCORE_NONE, "Error mapping SEABIOS to end of memory\n");
- return -1;
- }
- 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);
-#endif
-
- }
- }
-
- bios_list = v3_cfg_subtree(bios_tree, "bios");
-
- while (bios_list) {
- char * id = v3_cfg_val(bios_list, "file");
- char * addr = v3_cfg_val(bios_list, "address");
- uint64_t file_ptr = 0;
- void * dest = NULL;
- struct v3_cfg_file * file = NULL;
-
- if (!id) {
- PrintError(vm, VCORE_NONE, "Could not find bios file\n");
- continue;
- }
-
- if (!addr) {
- PrintError(vm, VCORE_NONE, "Could not find bios address\n");
- continue;
- }
-
- file = v3_cfg_get_file(vm, id);
- if (!file) {
- PrintError(vm, VCORE_NONE, "Invalid BIOS file: %s\n", id);
- continue;
- }
-
- file_ptr = atox(addr);
-
- V3_Print(vm, VCORE_NONE, "Copying BIOS ROM (%s) to %p (size=%lld)\n",
- id,
- (void*)file_ptr,
- file->size);
-
- if (v3_gpa_to_hva(&(vm->cores[0]), (addr_t)file_ptr, (addr_t *)&dest) == -1) {
- PrintError(vm, VCORE_NONE, "Could not find BIOS (%s) destination address\n", id);
- continue;
- }
-
- memcpy((void*)dest, file->data, file->size);
-
- V3_Print(vm, VCORE_NONE, "Moving on to next BIOS file\n");
- bios_list = v3_cfg_next_branch(bios_list);
- }
-
- return 0;
+static int post_config_pc(struct v3_vm_info * vm, v3_cfg_tree_t * cfg)
+{
+ return v3_setup_bioses(vm,cfg);
}
