static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
-static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
// 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_hypercall_map(info);
-
+
// Initialize the memory map
v3_init_shadow_map(info);
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);
}
+
+
+
/* 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 int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
+int v3_config_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
struct vm_device * ide = NULL;
struct vm_device * ramdisk = NULL;
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)