}
-
-int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
- extern v3_cpu_arch_t v3_cpu_type;
+int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
+ extern v3_cpu_arch_t v3_cpu_type;
// Amount of ram the Guest will have, rounded to a 4K page boundary
info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
+
// Initialize the subsystem data strutures
v3_init_time(info);
v3_init_io_map(info);
v3_init_msr_map(info);
v3_init_interrupt_state(info);
+ v3_init_exception_state(info);
v3_init_dev_mgr(info);
v3_init_host_events(info);
-
+
+
v3_init_decoder(info);
v3_init_hypercall_map(info);
-
+
// Initialize the memory map
v3_init_shadow_map(info);
-
if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
(config_ptr->enable_nested_paging == 1)) {
PrintDebug("Guest Page Mode: NESTED_PAGING\n");
v3_init_shadow_page_state(info);
info->shdw_pg_mode = SHADOW_PAGING;
}
+
+ if (config_ptr->enable_profiling) {
+ info->enable_profiler = 1;
+ v3_init_profiler(info);
+ } else {
+ info->enable_profiler = 0;
+ }
+
// Initial CPU operating mode
info->cpu_mode = REAL;
info->mem_mode = PHYSICAL_MEM;
-
+
+ return 0;
+}
+
+
+int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
+
// Configure the memory map for the guest
if (setup_memory_map(info, config_ptr) == -1) {
PrintError("Setting up guest memory map failed...\n");
return -1;
}
- // Configure the devices for the guest
- setup_devices(info, config_ptr);
-
- if (config_ptr->enable_profiling) {
- info->enable_profiler = 1;
- v3_init_profiler(info);
- } else {
- info->enable_profiler = 0;
- }
-
//v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
-
- // Setup initial cpu register state
- info->rip = 0xfff0;
- info->vm_regs.rsp = 0x0;
-
+ if (setup_devices(info, config_ptr) == -1) {
+ PrintError("Failed to setup devices\n");
+ return -1;
+ }
+
+ info->run_state = VM_STOPPED;
+
+ info->vm_regs.rdi = 0;
+ info->vm_regs.rsi = 0;
+ info->vm_regs.rbp = 0;
+ info->vm_regs.rsp = 0;
+ info->vm_regs.rbx = 0;
+ info->vm_regs.rdx = 0;
+ info->vm_regs.rcx = 0;
+ info->vm_regs.rax = 0;
+
return 0;
}
+
+
+
/* TODO:
* The amount of guest memory is stored in info->mem_size
* We need to make sure the memory map extends to cover it
+
+
static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
PrintDebug("Creating Generic Device\n");
struct vm_device * generic = v3_create_generic();
+
+ // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
+
+
// Make the DMA controller invisible
v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)