initial import

internal commit: 0ab1ea615e5cfbb0687a9d593a86a7b774386076

Signed-off-by: Anthony Xu <anthony.xu@intel.com>

devicemodel/core/main.c

@@ -0,0 +1,800 @@
+/*-
+ * Copyright (c) 2011 NetApp, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <sys/time.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <err.h>
+#include <errno.h>
+#include <libgen.h>
+#include <unistd.h>
+#include <assert.h>
+#include <pthread.h>
+#include <sysexits.h>
+#include <stdbool.h>
+
+#include "types.h"
+#include "vmm.h"
+#include "vmmapi.h"
+#include "cpuset.h"
+#include "dm.h"
+#include "acpi.h"
+#include "atkbdc.h"
+#include "inout.h"
+#include "ioapic.h"
+#include "mem.h"
+#include "mevent.h"
+#include "mptbl.h"
+#include "pci_core.h"
+#include "irq.h"
+#include "lpc.h"
+#include "smbiostbl.h"
+#include "rtc.h"
+#include "version.h"
+
+#define GUEST_NIO_PORT		0x488	/* guest upcalls via i/o port */
+
+#define MB		(1024UL * 1024)
+#define GB		(1024UL * MB)
+
+typedef int (*vmexit_handler_t)(struct vmctx *,
+		struct vhm_request *, int *vcpu);
+
+char *vmname;
+
+int guest_ncpus;
+char *guest_uuid_str;
+bool stdio_in_use;
+
+static int guest_vmexit_on_hlt, guest_vmexit_on_pause;
+static int virtio_msix = 1;
+static int x2apic_mode;	/* default is xAPIC */
+
+static int strictio;
+static int strictmsr = 1;
+
+static int acpi;
+
+static char *progname;
+static const int BSP;
+
+static cpuset_t cpumask;
+
+static void do_close_pre(struct vmctx *ctx);
+static void do_close_post(struct vmctx *ctx);
+static void vm_loop(struct vmctx *ctx);
+
+static int quit_vm_loop;
+
+static char vhm_request_page[4096] __attribute__ ((aligned(4096)));
+
+static struct vhm_request *vhm_req_buf =
+				(struct vhm_request *)&vhm_request_page;
+
+struct dmstats {
+	uint64_t	vmexit_bogus;
+	uint64_t	vmexit_reqidle;
+	uint64_t	vmexit_hlt;
+	uint64_t	vmexit_pause;
+	uint64_t	vmexit_mtrap;
+	uint64_t	cpu_switch_rotate;
+	uint64_t	cpu_switch_direct;
+	uint64_t	vmexit_mmio_emul;
+} stats;
+
+struct mt_vmm_info {
+	pthread_t	mt_thr;
+	struct vmctx	*mt_ctx;
+	int		mt_vcpu;
+} mt_vmm_info[VM_MAXCPU];
+
+static cpuset_t *vcpumap[VM_MAXCPU] = { NULL };
+
+static struct vmctx *_ctx;
+
+static void
+usage(int code)
+{
+	fprintf(stderr,
+		"Usage: %s [-abehuwxACHPSWY] [-c vcpus] [-g <gdb port>] [-l <lpc>]\n"
+		"       %*s [-m mem] [-p vcpu:hostcpu] [-s <pci>] [-U uuid] <vm>\n"
+		"       -a: local apic is in xAPIC mode (deprecated)\n"
+		"       -A: create ACPI tables\n"
+		"       -c: # cpus (default 1)\n"
+		"       -C: include guest memory in core file\n"
+		"       -e: exit on unhandled I/O access\n"
+		"       -g: gdb port\n"
+		"       -h: help\n"
+		"       -H: vmexit from the guest on hlt\n"
+		"       -l: LPC device configuration\n"
+		"       -m: memory size in MB\n"
+		"       -M: do not hide INTx link for MSI&INTx capable ptdev\n"
+		"       -p: pin 'vcpu' to 'hostcpu'\n"
+		"       -P: vmexit from the guest on pause\n"
+		"       -s: <slot,driver,configinfo> PCI slot config\n"
+		"       -S: guest memory cannot be swapped\n"
+		"       -u: RTC keeps UTC time\n"
+		"       -U: uuid\n"
+		"       -w: ignore unimplemented MSRs\n"
+		"       -W: force virtio to use single-vector MSI\n"
+		"       -x: local apic is in x2APIC mode\n"
+		"       -Y: disable MPtable generation\n"
+		"       -k: kernel image path\n"
+		"       -r: ramdisk image path\n"
+		"       -B: bootargs for kernel\n"
+		"       -v: version\n",
+		progname, (int)strlen(progname), "");
+
+	exit(code);
+}
+
+static void
+print_version(void)
+{
+	fprintf(stderr, "DM version is: %d.%d-%s, build by %s@%s\n",
+		DM_MAJOR_VERSION, DM_MINOR_VERSION, DM_BUILD_VERSION,
+		DM_BUILD_USER, DM_BUILD_TIME);
+
+	exit(0);
+}
+
+static int
+pincpu_parse(const char *opt)
+{
+	int vcpu, pcpu;
+
+	if (sscanf(opt, "%d:%d", &vcpu, &pcpu) != 2) {
+		fprintf(stderr, "invalid format: %s\n", opt);
+		return -1;
+	}
+
+	if (vcpu < 0 || vcpu >= VM_MAXCPU) {
+		fprintf(stderr, "vcpu '%d' outside valid range from 0 to %d\n",
+		    vcpu, VM_MAXCPU - 1);
+		return -1;
+	}
+
+	if (pcpu < 0 || pcpu >= CPU_SETSIZE) {
+		fprintf(stderr,
+			"hostcpu '%d' outside valid range from 0 to %d\n",
+			pcpu, CPU_SETSIZE - 1);
+		return -1;
+	}
+
+	if (vcpumap[vcpu] == NULL) {
+		vcpumap[vcpu] = malloc(sizeof(cpuset_t));
+		if (vcpumap[vcpu] == NULL) {
+			perror("malloc");
+			return -1;
+		}
+		CPU_ZERO(vcpumap[vcpu]);
+	}
+	CPU_SET(pcpu, vcpumap[vcpu]);
+	return 0;
+}
+
+void *
+paddr_guest2host(struct vmctx *ctx, uintptr_t gaddr, size_t len)
+{
+	return vm_map_gpa(ctx, gaddr, len);
+}
+
+void *
+dm_gpa2hva(uint64_t gpa, size_t size)
+{
+	return vm_map_gpa(_ctx, gpa, size);
+}
+
+int
+fbsdrun_vmexit_on_pause(void)
+{
+	return guest_vmexit_on_pause;
+}
+
+int
+fbsdrun_vmexit_on_hlt(void)
+{
+	return guest_vmexit_on_hlt;
+}
+
+int
+fbsdrun_virtio_msix(void)
+{
+	return virtio_msix;
+}
+
+static void *
+fbsdrun_start_thread(void *param)
+{
+	char tname[MAXCOMLEN + 1];
+	struct mt_vmm_info *mtp;
+	int vcpu;
+
+	mtp = param;
+	vcpu = mtp->mt_vcpu;
+
+	snprintf(tname, sizeof(tname), "vcpu %d", vcpu);
+	pthread_setname_np(mtp->mt_thr, tname);
+
+	vm_loop(mtp->mt_ctx);
+
+	/* reset or halt */
+	return NULL;
+}
+
+void
+fbsdrun_addcpu(struct vmctx *ctx, int guest_ncpus)
+{
+	int i;
+	int error;
+
+	for (i = 0; i < guest_ncpus; i++) {
+		error = vm_create_vcpu(ctx, i);
+		if (error != 0)
+			err(EX_OSERR, "could not create CPU %d", i);
+
+		CPU_SET_ATOMIC(i, &cpumask);
+
+		mt_vmm_info[i].mt_ctx = ctx;
+		mt_vmm_info[i].mt_vcpu = i;
+	}
+
+	error = pthread_create(&mt_vmm_info[0].mt_thr, NULL,
+	    fbsdrun_start_thread, &mt_vmm_info[0]);
+	assert(error == 0);
+}
+
+static int
+fbsdrun_deletecpu(struct vmctx *ctx, int vcpu)
+{
+	if (!CPU_ISSET(vcpu, &cpumask)) {
+		fprintf(stderr, "Attempting to delete unknown cpu %d\n", vcpu);
+		exit(1);
+	}
+
+	/* wait for vm_loop cleanup */
+	quit_vm_loop = 1;
+	vm_destroy_ioreq_client(ctx);
+	while (quit_vm_loop)
+		usleep(10000);
+
+	CPU_CLR_ATOMIC(vcpu, &cpumask);
+	return CPU_EMPTY(&cpumask);
+}
+
+static int
+vmexit_inout(struct vmctx *ctx, struct vhm_request *vhm_req, int *pvcpu)
+{
+	int error;
+	int bytes, port, in;
+
+	port = vhm_req->reqs.pio_request.address;
+	bytes = vhm_req->reqs.pio_request.size;
+	in = (vhm_req->reqs.pio_request.direction == REQUEST_READ);
+
+	error = emulate_inout(ctx, pvcpu, &vhm_req->reqs.pio_request, strictio);
+	if (error) {
+		fprintf(stderr, "Unhandled %s%c 0x%04x\n",
+				in ? "in" : "out",
+				bytes == 1 ? 'b' : (bytes == 2 ? 'w' : 'l'),
+				port);
+		return VMEXIT_ABORT;
+	} else {
+		return VMEXIT_CONTINUE;
+	}
+}
+
+static int
+vmexit_mmio_emul(struct vmctx *ctx, struct vhm_request *vhm_req, int *pvcpu)
+{
+	int err;
+
+	stats.vmexit_mmio_emul++;
+	err = emulate_mem(ctx, &vhm_req->reqs.mmio_request);
+
+	if (err) {
+		if (err == -ESRCH)
+			fprintf(stderr, "Unhandled memory access to 0x%lx\n",
+				vhm_req->reqs.mmio_request.address);
+
+		fprintf(stderr, "Failed to emulate instruction [");
+		fprintf(stderr, "mmio address 0x%lx, size %ld",
+				vhm_req->reqs.mmio_request.address,
+				vhm_req->reqs.mmio_request.size);
+		vhm_req->processed = REQ_STATE_FAILED;
+		return VMEXIT_ABORT;
+	}
+	vhm_req->processed = REQ_STATE_SUCCESS;
+	return VMEXIT_CONTINUE;
+}
+
+static int
+vmexit_pci_emul(struct vmctx *ctx, struct vhm_request *vhm_req, int *pvcpu)
+{
+	int err, in = (vhm_req->reqs.pci_request.direction == REQUEST_READ);
+
+	err = emulate_pci_cfgrw(ctx, *pvcpu, in,
+			vhm_req->reqs.pci_request.bus,
+			vhm_req->reqs.pci_request.dev,
+			vhm_req->reqs.pci_request.func,
+			vhm_req->reqs.pci_request.reg,
+			vhm_req->reqs.pci_request.size,
+			&vhm_req->reqs.pci_request.value);
+	if (err) {
+		fprintf(stderr, "Unhandled pci cfg rw at %x:%x.%x reg 0x%x\n",
+			vhm_req->reqs.pci_request.bus,
+			vhm_req->reqs.pci_request.dev,
+			vhm_req->reqs.pci_request.func,
+			vhm_req->reqs.pci_request.reg);
+		return VMEXIT_ABORT;
+	}
+
+	vhm_req->processed = REQ_STATE_SUCCESS;
+	return VMEXIT_CONTINUE;
+}
+
+#define	DEBUG_EPT_MISCONFIG
+
+#ifdef DEBUG_EPT_MISCONFIG
+
+#define	EXIT_REASON_EPT_MISCONFIG	49
+#define	VMCS_GUEST_PHYSICAL_ADDRESS	0x00002400
+#define	VMCS_IDENT(x)			((x) | 0x80000000)
+
+#endif	/* #ifdef DEBUG_EPT_MISCONFIG */
+
+static int
+vmexit_bogus(struct vmctx *ctx, struct vhm_request *vhm_req, int *pvcpu)
+{
+	stats.vmexit_bogus++;
+
+	return VMEXIT_CONTINUE;
+}
+
+static int
+vmexit_reqidle(struct vmctx *ctx, struct vhm_request *vhm_req, int *pvcpu)
+{
+	stats.vmexit_reqidle++;
+
+	return VMEXIT_CONTINUE;
+}
+
+static int
+vmexit_hlt(struct vmctx *ctx, struct vhm_request *vhm_req, int *pvcpu)
+{
+	stats.vmexit_hlt++;
+
+	/*
+	 * Just continue execution with the next instruction. We use
+	 * the HLT VM exit as a way to be friendly with the host
+	 * scheduler.
+	 */
+	return VMEXIT_CONTINUE;
+}
+
+static int
+vmexit_pause(struct vmctx *ctx, struct vhm_request *vhm_req, int *pvcpu)
+{
+	stats.vmexit_pause++;
+
+	return VMEXIT_CONTINUE;
+}
+
+static int
+vmexit_mtrap(struct vmctx *ctx, struct vhm_request *vhm_req, int *pvcpu)
+{
+	stats.vmexit_mtrap++;
+
+	return VMEXIT_CONTINUE;
+}
+
+static vmexit_handler_t handler[VM_EXITCODE_MAX] = {
+	[VM_EXITCODE_INOUT]  = vmexit_inout,
+	[VM_EXITCODE_MMIO_EMUL] = vmexit_mmio_emul,
+	[VM_EXITCODE_PCI_CFG] = vmexit_pci_emul,
+	[VM_EXITCODE_BOGUS]  = vmexit_bogus,
+	[VM_EXITCODE_REQIDLE] = vmexit_reqidle,
+	[VM_EXITCODE_MTRAP]  = vmexit_mtrap,
+	[VM_EXITCODE_HLT]  = vmexit_hlt,
+	[VM_EXITCODE_PAUSE]  = vmexit_pause,
+};
+
+static void
+handle_vmexit(struct vmctx *ctx, struct vhm_request *vhm_req, int vcpu)
+{
+	int rc;
+	enum vm_exitcode exitcode;
+
+	exitcode = vhm_req->type;
+	if (exitcode >= VM_EXITCODE_MAX || handler[exitcode] == NULL) {
+		fprintf(stderr, "handle vmexit: unexpected exitcode 0x%x\n",
+				exitcode);
+		exit(1);
+	}
+
+	rc = (*handler[exitcode])(ctx, vhm_req, &vcpu);
+	switch (rc) {
+	case VMEXIT_CONTINUE:
+		vhm_req->processed = REQ_STATE_SUCCESS;
+		break;
+	case VMEXIT_ABORT:
+		vhm_req->processed = REQ_STATE_FAILED;
+		abort();
+	default:
+		exit(1);
+	}
+	vm_notify_request_done(ctx, vcpu);
+}
+
+static void
+vm_loop(struct vmctx *ctx)
+{
+	int error;
+
+	ctx->ioreq_client = vm_create_ioreq_client(ctx);
+	assert(ctx->ioreq_client > 0);
+
+	error = vm_run(ctx);
+	assert(error == 0);
+
+	while (1) {
+		int vcpu;
+		struct vhm_request *vhm_req;
+
+		error = vm_attach_ioreq_client(ctx);
+		if (error)
+			break;
+
+		for (vcpu = 0; vcpu < 4; vcpu++) {
+			vhm_req = &vhm_req_buf[vcpu];
+			if (vhm_req->valid
+				&& (vhm_req->processed == REQ_STATE_PROCESSING)
+				&& (vhm_req->client == ctx->ioreq_client))
+				handle_vmexit(ctx, vhm_req, vcpu);
+		}
+	}
+	quit_vm_loop = 0;
+	printf("VM loop exit\n");
+}
+
+static int
+num_vcpus_allowed(struct vmctx *ctx)
+{
+	/* TODO: add ioctl to get gerneric information including
+	 * virtual cpus, now hardcode
+	 */
+	return VM_MAXCPU;
+}
+
+static struct vmctx *
+do_open(const char *vmname)
+{
+	struct vmctx *ctx;
+	int error;
+
+	error = vm_create(vmname);
+	if (error) {
+		perror("vm_create");
+		exit(1);
+
+	}
+
+	ctx = vm_open(vmname);
+	if (ctx == NULL) {
+		perror("vm_open");
+		exit(1);
+	}
+
+	return ctx;
+}
+
+static void
+do_close_pre(struct vmctx *ctx)
+{
+	vm_destroy(ctx);
+	vm_close(ctx);
+}
+
+static void
+do_close_post(struct vmctx *ctx)
+{
+	pci_irq_deinit(ctx);
+	deinit_pci(ctx);
+	vm_destroy(ctx);
+	vm_close(ctx);
+}
+
+static void
+sig_handler_term(int signo)
+{
+	printf("Receive SIGINT to terminate application...\n");
+	vm_set_suspend_mode(VM_SUSPEND_POWEROFF);
+	mevent_notify();
+}
+
+int
+main(int argc, char *argv[])
+{
+	int c, error, gdb_port, err, bvmcons;
+	int max_vcpus, mptgen, memflags;
+	int rtc_localtime;
+	struct vmctx *ctx;
+	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;
+	quit_vm_loop = 0;
+
+	if (signal(SIGINT, sig_handler_term) == SIG_ERR)
+		fprintf(stderr, "cannot register handler for SIGINT\n");
+
+	optstr = "abehuwxACHIMPSWYvk:r:B:p:g:c:s:m:l:U:G:";
+	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 'k':
+			if (acrn_parse_kernel(optarg) != 0)
+				exit(1);
+			else
+				break;
+		case 'r':
+			if (acrn_parse_ramdisk(optarg) != 0)
+				exit(1);
+			else
+				break;
+		case 'B':
+			if (acrn_parse_bootargs(optarg) != 0)
+				exit(1);
+			else
+				break;
+			break;
+		case 'M':
+			ptdev_prefer_msi(false);
+			break;
+		case 'v':
+			print_version();
+			break;
+		case 'h':
+			usage(0);
+		default:
+			usage(1);
+		}
+	}
+	argc -= optind;
+	argv += optind;
+
+	if (argc != 1)
+		usage(1);
+
+	vmname = argv[0];
+
+	for (;;) {
+		ctx = do_open(vmname);
+
+		/* set IOReq buffer page */
+		error = vm_set_shared_io_page(ctx, (unsigned long)vhm_req_buf);
+		if (error)
+			do_close_pre(ctx);
+		assert(error == 0);
+
+		if (guest_ncpus < 1) {
+			fprintf(stderr, "Invalid guest vCPUs (%d)\n",
+				guest_ncpus);
+			do_close_pre(ctx);
+			exit(1);
+		}
+
+		max_vcpus = num_vcpus_allowed(ctx);
+		if (guest_ncpus > max_vcpus) {
+			fprintf(stderr, "%d vCPUs requested but %d available\n",
+				guest_ncpus, max_vcpus);
+			do_close_pre(ctx);
+			exit(1);
+		}
+
+		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);
+			do_close_pre(ctx);
+			exit(1);
+		}
+
+		init_mem();
+		init_inout();
+		pci_irq_init(ctx);
+		atkbdc_init(ctx);
+		ioapic_init(ctx);
+
+		vrtc_init(ctx, rtc_localtime);
+		sci_init(ctx);
+
+		/*
+		 * Exit if a device emulation finds an error in its
+		 * initialization
+		 */
+		if (init_pci(ctx) != 0) {
+			do_close_pre(ctx);
+			exit(1);
+		}
+
+		if (gdb_port != 0)
+			fprintf(stderr, "dbgport not supported\n");
+
+		if (bvmcons)
+			init_bvmcons();
+
+		/*
+		 * build the guest tables, MP etc.
+		 */
+		if (mptgen) {
+			error = mptable_build(ctx, guest_ncpus);
+			if (error) {
+				do_close_post(ctx);
+				exit(1);
+			}
+		}
+
+		error = smbios_build(ctx);
+		if (error)
+			do_close_post(ctx);
+		assert(error == 0);
+
+		if (acpi) {
+			error = acpi_build(ctx, guest_ncpus);
+			if (error)
+				do_close_post(ctx);
+			assert(error == 0);
+		}
+
+		error = acrn_sw_load(ctx);
+		if (error)
+			do_close_post(ctx);
+		assert(error == 0);
+
+		/*
+		 * Change the proc title to include the VM name.
+		 */
+		/*setproctitle("%s", vmname);*/
+
+		/*
+		 * Add CPU 0
+		 */
+		fbsdrun_addcpu(ctx, guest_ncpus);
+
+		/* Make a copy for ctx */
+		_ctx = ctx;
+
+		/*
+		 * Head off to the main event dispatch loop
+		 */
+		mevent_dispatch();
+
+		vm_pause(ctx);
+		fbsdrun_deletecpu(ctx, BSP);
+		vm_unsetup_memory(ctx);
+		do_close_post(ctx);
+		_ctx = 0;
+
+		if (vm_get_suspend_mode() != VM_SUSPEND_RESET)
+			break;
+		vm_set_suspend_mode(VM_SUSPEND_NONE);
+	}
+	exit(0);
+}