static void
vm_init(struct vm *vm, bool create)
{
int vcpu;
if (create) {
callout_system_init();
}
vm->cookie = VM_INIT(vm);
vm->vioapic = vioapic_init(vm);
vm->vhpet = vhpet_init(vm);
vm->vatpic = vatpic_init(vm);
vm->vatpit = vatpit_init(vm);
vm->vpmtmr = vpmtmr_init(vm);
if (create) {
vm->vrtc = vrtc_init(vm);
}
CPU_ZERO(&vm->active_cpus);
vm->suspend = 0;
CPU_ZERO(&vm->suspended_cpus);
for (vcpu = 0; vcpu < VM_MAXCPU; vcpu++) {
vcpu_init(vm, vcpu, create);
}
}
int main(int argc, char **argv)
{
struct vm vm;
struct vcpu vcpu;
enum {
REAL_MODE,
PROTECTED_MODE,
PAGED_32BIT_MODE,
LONG_MODE,
} mode = REAL_MODE;
int opt;
while ((opt = getopt(argc, argv, "rspl")) != -1) {
switch (opt) {
case 'r':
mode = REAL_MODE;
break;
case 's':
mode = PROTECTED_MODE;
break;
case 'p':
mode = PAGED_32BIT_MODE;
break;
case 'l':
mode = LONG_MODE;
break;
default:
fprintf(stderr, "Usage: %s [ -r | -s | -p | -l ]\n",
argv[0]);
return 1;
}
}
vm_init(&vm, 0x200000);
vcpu_init(&vm, &vcpu);
switch (mode) {
case REAL_MODE:
return !run_real_mode(&vm, &vcpu);
case PROTECTED_MODE:
return !run_protected_mode(&vm, &vcpu);
case PAGED_32BIT_MODE:
return !run_paged_32bit_mode(&vm, &vcpu);
case LONG_MODE:
return !run_long_mode(&vm, &vcpu);
}
return 1;
}
int
vm_create(const char *name, struct vm **retvm)
{
int i;
struct vm *vm;
struct vmspace *vmspace;
const int BSP = 0;
/*
* If vmm.ko could not be successfully initialized then don't attempt
* to create the virtual machine.
*/
if (!vmm_initialized)
return (ENXIO);
if (name == NULL || strlen(name) >= VM_MAX_NAMELEN)
return (EINVAL);
vmspace = VMSPACE_ALLOC(VM_MIN_ADDRESS, VM_MAXUSER_ADDRESS);
if (vmspace == NULL)
return (ENOMEM);
vm = malloc(sizeof(struct vm), M_VM, M_WAITOK | M_ZERO);
strcpy(vm->name, name);
vm->vmspace = vmspace;
mtx_init(&vm->rendezvous_mtx, "vm rendezvous lock", 0, MTX_DEF);
vm->cookie = VMINIT(vm, vmspace_pmap(vmspace));
vm->vioapic = vioapic_init(vm);
vm->vhpet = vhpet_init(vm);
vm->vatpic = vatpic_init(vm);
for (i = 0; i < VM_MAXCPU; i++) {
vcpu_init(vm, i);
guest_msrs_init(vm, i);
}
vm_activate_cpu(vm, BSP);
*retvm = vm;
return (0);
}
