Example #1
0
int
spinup_ap(struct vmctx *ctx, int vcpu, int newcpu, uint64_t rip)
{
	int error;

	assert(newcpu != 0);
	assert(newcpu < guest_ncpus);

	error = vcpu_reset(ctx, newcpu);
	assert(error == 0);

	fbsdrun_set_capabilities(ctx, newcpu);

	/*
	 * Enable the 'unrestricted guest' mode for 'newcpu'.
	 *
	 * Set up the processor state in power-on 16-bit mode, with the CS:IP
	 * init'd to the specified low-mem 4K page.
	 */
	error = vm_set_capability(ctx, newcpu, VM_CAP_UNRESTRICTED_GUEST, 1);
	assert(error == 0);

	spinup_ap_realmode(ctx, newcpu, &rip);

	fbsdrun_addcpu(ctx, vcpu, newcpu, rip);

	return (newcpu);
}
Example #2
0
int
main(int argc, char *argv[])
{
	int c, error, gdb_port, err, bvmcons;
	int max_vcpus;
	struct vmctx *ctx;
	uint64_t rip;
	size_t memsize;

	bvmcons = 0;
	progname = basename(argv[0]);
	gdb_port = 0;
	guest_ncpus = 1;
	memsize = 256 * MB;

	while ((c = getopt(argc, argv, "abehwAHIPWp:g:c:s:S:m:l:")) != -1) {
		switch (c) {
		case 'a':
			disable_x2apic = 1;
			break;
		case 'A':
			acpi = 1;
			break;
		case 'b':
			bvmcons = 1;
			break;
		case 'p':
			pincpu = atoi(optarg);
			break;
                case 'c':
			guest_ncpus = atoi(optarg);
			break;
		case 'g':
			gdb_port = atoi(optarg);
			break;
		case 'l':
			if (lpc_device_parse(optarg) != 0) {
				errx(EX_USAGE, "invalid lpc device "
				    "configuration '%s'", optarg);
			}
			break;
		case 's':
			if (pci_parse_slot(optarg, 0) != 0)
				exit(1);
			else
				break;
		case 'S':
			if (pci_parse_slot(optarg, 1) != 0)
				exit(1);
			else
				break;
                case 'm':
			error = vm_parse_memsize(optarg, &memsize);
			if (error)
				errx(EX_USAGE, "invalid memsize '%s'", optarg);
			break;
		case 'H':
			guest_vmexit_on_hlt = 1;
			break;
		case 'I':
			/*
			 * The "-I" option was used to add an ioapic to the
			 * virtual machine.
			 *
			 * An ioapic is now provided unconditionally for each
			 * virtual machine and this option is now deprecated.
			 */
			break;
		case 'P':
			guest_vmexit_on_pause = 1;
			break;
		case 'e':
			strictio = 1;
			break;
		case 'w':
			strictmsr = 0;
			break;
		case 'W':
			virtio_msix = 0;
			break;
		case 'h':
			usage(0);			
		default:
			usage(1);
		}
	}
	argc -= optind;
	argv += optind;

	if (argc != 1)
		usage(1);

	vmname = argv[0];

	ctx = vm_open(vmname);
	if (ctx == NULL) {
		perror("vm_open");
		exit(1);
	}

	max_vcpus = num_vcpus_allowed(ctx);
	if (guest_ncpus > max_vcpus) {
		fprintf(stderr, "%d vCPUs requested but only %d available\n",
			guest_ncpus, max_vcpus);
		exit(1);
	}

	fbsdrun_set_capabilities(ctx, BSP);

	err = vm_setup_memory(ctx, memsize, VM_MMAP_ALL);
	if (err) {
		fprintf(stderr, "Unable to setup memory (%d)\n", err);
		exit(1);
	}

	init_mem();
	init_inout();
	legacy_irq_init();

	rtc_init(ctx);

	/*
	 * Exit if a device emulation finds an error in it's initilization
	 */
	if (init_pci(ctx) != 0)
		exit(1);

	if (gdb_port != 0)
		init_dbgport(gdb_port);

	if (bvmcons)
		init_bvmcons();

	error = vm_get_register(ctx, BSP, VM_REG_GUEST_RIP, &rip);
	assert(error == 0);

	/*
	 * build the guest tables, MP etc.
	 */
	mptable_build(ctx, guest_ncpus);

	if (acpi) {
		error = acpi_build(ctx, guest_ncpus);
		assert(error == 0);
	}

	/*
	 * Change the proc title to include the VM name.
	 */
	setproctitle("%s", vmname); 
	
	/*
	 * Add CPU 0
	 */
	fbsdrun_addcpu(ctx, BSP, rip);

	/*
	 * Head off to the main event dispatch loop
	 */
	mevent_dispatch();

	exit(1);
}
Example #3
0
int
main(int argc, char *argv[])
{
	int c, error, gdb_port, err, bvmcons;
	int max_vcpus, mptgen, memflags;
	int rtc_localtime;
	struct vmctx *ctx;
	uint64_t rip;
	size_t memsize;
	char *optstr;

	bvmcons = 0;
	progname = basename(argv[0]);
	gdb_port = 0;
	guest_ncpus = 1;
	memsize = 256 * MB;
	mptgen = 1;
	rtc_localtime = 1;
	memflags = 0;

	optstr = "abehuwxACHIPSWYp:g:c:s:m:l:U:";
	while ((c = getopt(argc, argv, optstr)) != -1) {
		switch (c) {
		case 'a':
			x2apic_mode = 0;
			break;
		case 'A':
			acpi = 1;
			break;
		case 'b':
			bvmcons = 1;
			break;
		case 'p':
                        if (pincpu_parse(optarg) != 0) {
                            errx(EX_USAGE, "invalid vcpu pinning "
                                 "configuration '%s'", optarg);
                        }
			break;
                case 'c':
			guest_ncpus = atoi(optarg);
			break;
		case 'C':
			memflags |= VM_MEM_F_INCORE;
			break;
		case 'g':
			gdb_port = atoi(optarg);
			break;
		case 'l':
			if (lpc_device_parse(optarg) != 0) {
				errx(EX_USAGE, "invalid lpc device "
				    "configuration '%s'", optarg);
			}
			break;
		case 's':
			if (pci_parse_slot(optarg) != 0)
				exit(1);
			else
				break;
		case 'S':
			memflags |= VM_MEM_F_WIRED;
			break;
                case 'm':
			error = vm_parse_memsize(optarg, &memsize);
			if (error)
				errx(EX_USAGE, "invalid memsize '%s'", optarg);
			break;
		case 'H':
			guest_vmexit_on_hlt = 1;
			break;
		case 'I':
			/*
			 * The "-I" option was used to add an ioapic to the
			 * virtual machine.
			 *
			 * An ioapic is now provided unconditionally for each
			 * virtual machine and this option is now deprecated.
			 */
			break;
		case 'P':
			guest_vmexit_on_pause = 1;
			break;
		case 'e':
			strictio = 1;
			break;
		case 'u':
			rtc_localtime = 0;
			break;
		case 'U':
			guest_uuid_str = optarg;
			break;
		case 'w':
			strictmsr = 0;
			break;
		case 'W':
			virtio_msix = 0;
			break;
		case 'x':
			x2apic_mode = 1;
			break;
		case 'Y':
			mptgen = 0;
			break;
		case 'h':
			usage(0);			
		default:
			usage(1);
		}
	}
	argc -= optind;
	argv += optind;

	if (argc != 1)
		usage(1);

	vmname = argv[0];
	ctx = do_open(vmname);

	if (guest_ncpus < 1) {
		fprintf(stderr, "Invalid guest vCPUs (%d)\n", guest_ncpus);
		exit(1);
	}

	max_vcpus = num_vcpus_allowed(ctx);
	if (guest_ncpus > max_vcpus) {
		fprintf(stderr, "%d vCPUs requested but only %d available\n",
			guest_ncpus, max_vcpus);
		exit(1);
	}

	fbsdrun_set_capabilities(ctx, BSP);

	vm_set_memflags(ctx, memflags);
	err = vm_setup_memory(ctx, memsize, VM_MMAP_ALL);
	if (err) {
		fprintf(stderr, "Unable to setup memory (%d)\n", errno);
		exit(1);
	}

	error = init_msr();
	if (error) {
		fprintf(stderr, "init_msr error %d", error);
		exit(1);
	}

	init_mem();
	init_inout();
	pci_irq_init(ctx);
	ioapic_init(ctx);

	rtc_init(ctx, rtc_localtime);
	sci_init(ctx);

	/*
	 * Exit if a device emulation finds an error in it's initilization
	 */
	if (init_pci(ctx) != 0)
		exit(1);

	if (gdb_port != 0)
		init_dbgport(gdb_port);

	if (bvmcons)
		init_bvmcons();

	if (lpc_bootrom()) {
		if (vm_set_capability(ctx, BSP, VM_CAP_UNRESTRICTED_GUEST, 1)) {
			fprintf(stderr, "ROM boot failed: unrestricted guest "
			    "capability not available\n");
			exit(1);
		}
		error = vcpu_reset(ctx, BSP);
		assert(error == 0);
	}

	error = vm_get_register(ctx, BSP, VM_REG_GUEST_RIP, &rip);
	assert(error == 0);

	/*
	 * build the guest tables, MP etc.
	 */
	if (mptgen) {
		error = mptable_build(ctx, guest_ncpus);
		if (error)
			exit(1);
	}

	error = smbios_build(ctx);
	assert(error == 0);

	if (acpi) {
		error = acpi_build(ctx, guest_ncpus);
		assert(error == 0);
	}

	if (lpc_bootrom())
		fwctl_init();

	/*
	 * Change the proc title to include the VM name.
	 */
	setproctitle("%s", vmname); 
	
	/*
	 * Add CPU 0
	 */
	fbsdrun_addcpu(ctx, BSP, BSP, rip);

	/*
	 * Head off to the main event dispatch loop
	 */
	mevent_dispatch();

	exit(1);
}