{
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\n", (uint64_t)(v3_vgabios_end-v3_vgabios_start), (void*)VGABIOS_START);
- 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);
+ if (v3_write_gpa_memory(&(vm->cores[0]), VGABIOS_START, v3_vgabios_end - v3_vgabios_start, v3_vgabios_start) != (v3_vgabios_end - v3_vgabios_start)) {
+ PrintError(vm, VCORE_NONE, "Could not write VGA BIOS\n");
+ return -1;
+ }
}
#endif
{
extern uint8_t v3_rombios_start[];
extern uint8_t v3_rombios_end[];
- void * rombios_dst = 0;
-
+ V3_Print(vm,VCORE_NONE,"Mapping BIOS of %llu bytes at gpa %p\n", (uint64_t)(v3_rombios_end-v3_rombios_start), (void*)V3_CONFIG_BIOS_START);
- 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);
+ if (v3_write_gpa_memory(&(vm->cores[0]), V3_CONFIG_BIOS_START, v3_rombios_end - v3_rombios_start, v3_rombios_start) != (v3_rombios_end - v3_rombios_start)) {
+ PrintError(vm, VCORE_NONE, "Could not write ROM BIOS\n");
+ return -1;
+ }
#ifdef V3_CONFIG_SEABIOS
-#define SEABIOS_HIGH_START 0xfffe0000
-#define SEABIOS_HIGH_END 0xffffffff
+#define SEABIOS_HIGH_START 0xfffe0000ULL
+#define SEABIOS_HIGH_END 0x100000000ULL
+
+ 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);
if (v3_get_mem_region(vm,V3_MEM_CORE_ANY, SEABIOS_HIGH_START)) {
// it is already mapped, we are done
// so it's now pointing to the fresh copy
V3_Print(vm,VCORE_NONE,"BIOS is already mapped\n");
} else {
+ extern uint64_t v3_mem_block_size;
+ void *rombios_dst;
+
+ 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;
+ }
+
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;
}
+
+ if ((V3_CONFIG_BIOS_START / v3_mem_block_size) !=
+ ((V3_CONFIG_BIOS_START+(SEABIOS_HIGH_END-SEABIOS_HIGH_START-1)) / v3_mem_block_size)) {
+ PrintError(vm,VCORE_NONE, "ALERT: MAPPING OF SEABIOS SPANS MEMORY BLOCKS: %llx %llx %llx\n",
+ (uint64_t) V3_CONFIG_BIOS_START,(uint64_t)(V3_CONFIG_BIOS_START+(SEABIOS_HIGH_END-SEABIOS_HIGH_START-1)), v3_mem_block_size);
+ }
+
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 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,"Clearing BDA %p through %p\n",(void*)BDA_START,(void*)BDA_END);
- V3_Print(vm,VCORE_NONE,"Cleared BDA %p (HVA %p) through %p\n",(void*)BDA_START,ba,(void*)BDA_END);
+ if (v3_set_gpa_memory(&vm->cores[0],BDA_START,BDA_END-BDA_START,0)!=BDA_END-BDA_START) {
+ PrintError(vm, VCORE_NONE, "Could not zero BDA\n");
+ return -1;
+ }
+
+ V3_Print(vm,VCORE_NONE,"Clearing EBDA %p through %p\n",(void*)EBDA_START,(void*)EBDA_END);
+
+ if (v3_set_gpa_memory(&vm->cores[0],EBDA_START,EBDA_END-EBDA_START,0)!=EBDA_END-EBDA_START) {
+ PrintError(vm, VCORE_NONE, "Could not zero eBDA\n");
+ return -1;
+ }
- 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);
}
}
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) {
(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);
+ if (v3_write_gpa_memory(&vm->cores[0],(addr_t)file_ptr,file->size,file->data)!=file->size) {
+ PrintError(vm, VCORE_NONE, "Could not copy BIOS (%s)\n",id);
+ return -1;
+ }
V3_Print(vm, VCORE_NONE, "Moving on to next BIOS file\n");
bios_list = v3_cfg_next_branch(bios_list);
};
- addr_t vmxassist_gdt = 0;
-
- if (v3_gpa_to_hva(core, VMXASSIST_GDT, &vmxassist_gdt) == -1) {
- PrintError(core->vm_info, core, "Could not find VMXASSIST GDT destination\n");
+ if (v3_write_gpa_memory(core, VMXASSIST_GDT, sizeof(uint64_t)*5, (void*)gdt)!=sizeof(uint64_t)*5) {
+ PrintError(core->vm_info, core, "Could not write VMXASSIST GDT\n");
return -1;
}
-
- memcpy((void *)vmxassist_gdt, gdt, sizeof(uint64_t) * 5);
core->segments.gdtr.base = VMXASSIST_GDT;
extern uint8_t v3_vmxassist_start[];
extern uint8_t v3_vmxassist_end[];
- addr_t vmxassist_dst = 0;
- if (v3_gpa_to_hva(core, VMXASSIST_START, &vmxassist_dst) == -1) {
- PrintError(core->vm_info, core, "Could not find VMXASSIST destination\n");
+ if (v3_write_gpa_memory(core, VMXASSIST_START, v3_vmxassist_end-v3_vmxassist_start,v3_vmxassist_start)!=v3_vmxassist_end-v3_vmxassist_start) {
+ PrintError(core->vm_info, core, "Could not write VMXASSIST\n");
return -1;
}
- memcpy((void *)vmxassist_dst, v3_vmxassist_start, v3_vmxassist_end - v3_vmxassist_start);
-
vmx_state->assist_state = VMXASSIST_OFF;
}