Add printf() wrapper to use CR/CRLF terminators depending on whether stdio is mapped to a tty open in raw mode. Try to use the wrapper everywhere. For now we leave the custom DPRINTF/WPRINTF defined by device models, but we may remove them in the future. Reviewed by: grehan, jhb MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D22657
1246 lines
29 KiB
C
1246 lines
29 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2011 NetApp, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#ifndef WITHOUT_CAPSICUM
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#include <sys/capsicum.h>
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#endif
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#include <sys/mman.h>
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#include <sys/time.h>
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#include <amd64/vmm/intel/vmcs.h>
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|
|
|
#include <machine/atomic.h>
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#include <machine/segments.h>
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|
|
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#ifndef WITHOUT_CAPSICUM
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#include <capsicum_helpers.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <err.h>
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#include <errno.h>
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#include <libgen.h>
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#include <unistd.h>
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#include <assert.h>
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|
#include <pthread.h>
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|
#include <pthread_np.h>
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|
#include <sysexits.h>
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|
#include <stdbool.h>
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#include <stdint.h>
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|
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|
#include <machine/vmm.h>
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#ifndef WITHOUT_CAPSICUM
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#include <machine/vmm_dev.h>
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#endif
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#include <vmmapi.h>
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|
|
|
#include "bhyverun.h"
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#include "acpi.h"
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#include "atkbdc.h"
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|
#include "inout.h"
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|
#include "dbgport.h"
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#include "fwctl.h"
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|
#include "gdb.h"
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|
#include "ioapic.h"
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|
#include "mem.h"
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|
#include "mevent.h"
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|
#include "mptbl.h"
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|
#include "pci_emul.h"
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|
#include "pci_irq.h"
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|
#include "pci_lpc.h"
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|
#include "smbiostbl.h"
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|
#include "xmsr.h"
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|
#include "spinup_ap.h"
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|
#include "rtc.h"
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|
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|
#define GUEST_NIO_PORT 0x488 /* guest upcalls via i/o port */
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|
#define MB (1024UL * 1024)
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#define GB (1024UL * MB)
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|
|
|
static const char * const vmx_exit_reason_desc[] = {
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[EXIT_REASON_EXCEPTION] = "Exception or non-maskable interrupt (NMI)",
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[EXIT_REASON_EXT_INTR] = "External interrupt",
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|
[EXIT_REASON_TRIPLE_FAULT] = "Triple fault",
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|
[EXIT_REASON_INIT] = "INIT signal",
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|
[EXIT_REASON_SIPI] = "Start-up IPI (SIPI)",
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|
[EXIT_REASON_IO_SMI] = "I/O system-management interrupt (SMI)",
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|
[EXIT_REASON_SMI] = "Other SMI",
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|
[EXIT_REASON_INTR_WINDOW] = "Interrupt window",
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|
[EXIT_REASON_NMI_WINDOW] = "NMI window",
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|
[EXIT_REASON_TASK_SWITCH] = "Task switch",
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|
[EXIT_REASON_CPUID] = "CPUID",
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|
[EXIT_REASON_GETSEC] = "GETSEC",
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|
[EXIT_REASON_HLT] = "HLT",
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[EXIT_REASON_INVD] = "INVD",
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[EXIT_REASON_INVLPG] = "INVLPG",
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|
[EXIT_REASON_RDPMC] = "RDPMC",
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|
[EXIT_REASON_RDTSC] = "RDTSC",
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[EXIT_REASON_RSM] = "RSM",
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[EXIT_REASON_VMCALL] = "VMCALL",
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|
[EXIT_REASON_VMCLEAR] = "VMCLEAR",
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[EXIT_REASON_VMLAUNCH] = "VMLAUNCH",
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|
[EXIT_REASON_VMPTRLD] = "VMPTRLD",
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[EXIT_REASON_VMPTRST] = "VMPTRST",
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[EXIT_REASON_VMREAD] = "VMREAD",
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[EXIT_REASON_VMRESUME] = "VMRESUME",
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|
[EXIT_REASON_VMWRITE] = "VMWRITE",
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|
[EXIT_REASON_VMXOFF] = "VMXOFF",
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|
[EXIT_REASON_VMXON] = "VMXON",
|
|
[EXIT_REASON_CR_ACCESS] = "Control-register accesses",
|
|
[EXIT_REASON_DR_ACCESS] = "MOV DR",
|
|
[EXIT_REASON_INOUT] = "I/O instruction",
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|
[EXIT_REASON_RDMSR] = "RDMSR",
|
|
[EXIT_REASON_WRMSR] = "WRMSR",
|
|
[EXIT_REASON_INVAL_VMCS] =
|
|
"VM-entry failure due to invalid guest state",
|
|
[EXIT_REASON_INVAL_MSR] = "VM-entry failure due to MSR loading",
|
|
[EXIT_REASON_MWAIT] = "MWAIT",
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|
[EXIT_REASON_MTF] = "Monitor trap flag",
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|
[EXIT_REASON_MONITOR] = "MONITOR",
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|
[EXIT_REASON_PAUSE] = "PAUSE",
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|
[EXIT_REASON_MCE_DURING_ENTRY] =
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"VM-entry failure due to machine-check event",
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|
[EXIT_REASON_TPR] = "TPR below threshold",
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[EXIT_REASON_APIC_ACCESS] = "APIC access",
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[EXIT_REASON_VIRTUALIZED_EOI] = "Virtualized EOI",
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|
[EXIT_REASON_GDTR_IDTR] = "Access to GDTR or IDTR",
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|
[EXIT_REASON_LDTR_TR] = "Access to LDTR or TR",
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|
[EXIT_REASON_EPT_FAULT] = "EPT violation",
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|
[EXIT_REASON_EPT_MISCONFIG] = "EPT misconfiguration",
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|
[EXIT_REASON_INVEPT] = "INVEPT",
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|
[EXIT_REASON_RDTSCP] = "RDTSCP",
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|
[EXIT_REASON_VMX_PREEMPT] = "VMX-preemption timer expired",
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|
[EXIT_REASON_INVVPID] = "INVVPID",
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|
[EXIT_REASON_WBINVD] = "WBINVD",
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|
[EXIT_REASON_XSETBV] = "XSETBV",
|
|
[EXIT_REASON_APIC_WRITE] = "APIC write",
|
|
[EXIT_REASON_RDRAND] = "RDRAND",
|
|
[EXIT_REASON_INVPCID] = "INVPCID",
|
|
[EXIT_REASON_VMFUNC] = "VMFUNC",
|
|
[EXIT_REASON_ENCLS] = "ENCLS",
|
|
[EXIT_REASON_RDSEED] = "RDSEED",
|
|
[EXIT_REASON_PM_LOG_FULL] = "Page-modification log full",
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|
[EXIT_REASON_XSAVES] = "XSAVES",
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|
[EXIT_REASON_XRSTORS] = "XRSTORS"
|
|
};
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|
|
typedef int (*vmexit_handler_t)(struct vmctx *, struct vm_exit *, int *vcpu);
|
|
extern int vmexit_task_switch(struct vmctx *, struct vm_exit *, int *vcpu);
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|
|
char *vmname;
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|
|
int guest_ncpus;
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|
uint16_t cores, maxcpus, sockets, threads;
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|
|
|
char *guest_uuid_str;
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|
|
int raw_stdio = 0;
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|
|
static int gdb_port = 0;
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static int guest_vmexit_on_hlt, guest_vmexit_on_pause;
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static int virtio_msix = 1;
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|
static int x2apic_mode = 0; /* default is xAPIC */
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|
|
|
static int strictio;
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|
static int strictmsr = 1;
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|
|
static int acpi;
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|
|
static char *progname;
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|
static const int BSP = 0;
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|
static cpuset_t cpumask;
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|
static void vm_loop(struct vmctx *ctx, int vcpu, uint64_t rip);
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static struct vm_exit vmexit[VM_MAXCPU];
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struct bhyvestats {
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uint64_t vmexit_bogus;
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uint64_t vmexit_reqidle;
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uint64_t vmexit_hlt;
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|
uint64_t vmexit_pause;
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|
uint64_t vmexit_mtrap;
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|
uint64_t vmexit_inst_emul;
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|
uint64_t cpu_switch_rotate;
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|
uint64_t cpu_switch_direct;
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|
} stats;
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struct mt_vmm_info {
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pthread_t mt_thr;
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struct vmctx *mt_ctx;
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int mt_vcpu;
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} mt_vmm_info[VM_MAXCPU];
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static cpuset_t *vcpumap[VM_MAXCPU] = { NULL };
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|
|
static void
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usage(int code)
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|
{
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|
fprintf(stderr,
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"Usage: %s [-abehuwxACHPSWY]\n"
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|
" %*s [-c [[cpus=]numcpus][,sockets=n][,cores=n][,threads=n]]\n"
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|
" %*s [-g <gdb port>] [-l <lpc>]\n"
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|
" %*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: number of cpus and/or topology specification\n"
|
|
" -C: include guest memory in core file\n"
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|
" -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"
|
|
" -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",
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progname, (int)strlen(progname), "", (int)strlen(progname), "",
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(int)strlen(progname), "");
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|
|
exit(code);
|
|
}
|
|
|
|
/*
|
|
* XXX This parser is known to have the following issues:
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* 1. It accepts null key=value tokens ",,".
|
|
* 2. It accepts whitespace after = and before value.
|
|
* 3. Values out of range of INT are silently wrapped.
|
|
* 4. It doesn't check non-final values.
|
|
* 5. The apparently bogus limits of UINT16_MAX are for future expansion.
|
|
*
|
|
* The acceptance of a null specification ('-c ""') is by design to match the
|
|
* manual page syntax specification, this results in a topology of 1 vCPU.
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|
*/
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|
static int
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topology_parse(const char *opt)
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{
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uint64_t ncpus;
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int c, chk, n, s, t, tmp;
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char *cp, *str;
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bool ns, scts;
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c = 1, n = 1, s = 1, t = 1;
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ns = false, scts = false;
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str = strdup(opt);
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if (str == NULL)
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goto out;
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|
|
|
while ((cp = strsep(&str, ",")) != NULL) {
|
|
if (sscanf(cp, "%i%n", &tmp, &chk) == 1) {
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n = tmp;
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ns = true;
|
|
} else if (sscanf(cp, "cpus=%i%n", &tmp, &chk) == 1) {
|
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n = tmp;
|
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ns = true;
|
|
} else if (sscanf(cp, "sockets=%i%n", &tmp, &chk) == 1) {
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s = tmp;
|
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scts = true;
|
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} else if (sscanf(cp, "cores=%i%n", &tmp, &chk) == 1) {
|
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c = tmp;
|
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scts = true;
|
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} else if (sscanf(cp, "threads=%i%n", &tmp, &chk) == 1) {
|
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t = tmp;
|
|
scts = true;
|
|
#ifdef notyet /* Do not expose this until vmm.ko implements it */
|
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} else if (sscanf(cp, "maxcpus=%i%n", &tmp, &chk) == 1) {
|
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m = tmp;
|
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#endif
|
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/* Skip the empty argument case from -c "" */
|
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} else if (cp[0] == '\0')
|
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continue;
|
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else
|
|
goto out;
|
|
/* Any trailing garbage causes an error */
|
|
if (cp[chk] != '\0')
|
|
goto out;
|
|
}
|
|
free(str);
|
|
str = NULL;
|
|
|
|
/*
|
|
* Range check 1 <= n <= UINT16_MAX all values
|
|
*/
|
|
if (n < 1 || s < 1 || c < 1 || t < 1 ||
|
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n > UINT16_MAX || s > UINT16_MAX || c > UINT16_MAX ||
|
|
t > UINT16_MAX)
|
|
return (-1);
|
|
|
|
/* If only the cpus was specified, use that as sockets */
|
|
if (!scts)
|
|
s = n;
|
|
/*
|
|
* Compute sockets * cores * threads avoiding overflow
|
|
* The range check above insures these are 16 bit values
|
|
* If n was specified check it against computed ncpus
|
|
*/
|
|
ncpus = (uint64_t)s * c * t;
|
|
if (ncpus > UINT16_MAX || (ns && n != ncpus))
|
|
return (-1);
|
|
|
|
guest_ncpus = ncpus;
|
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sockets = s;
|
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cores = c;
|
|
threads = t;
|
|
return(0);
|
|
|
|
out:
|
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free(str);
|
|
return (-1);
|
|
}
|
|
|
|
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) {
|
|
if ((vcpumap[vcpu] = malloc(sizeof(cpuset_t))) == NULL) {
|
|
perror("malloc");
|
|
return (-1);
|
|
}
|
|
CPU_ZERO(vcpumap[vcpu]);
|
|
}
|
|
CPU_SET(pcpu, vcpumap[vcpu]);
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
vm_inject_fault(void *arg, int vcpu, int vector, int errcode_valid,
|
|
int errcode)
|
|
{
|
|
struct vmctx *ctx;
|
|
int error, restart_instruction;
|
|
|
|
ctx = arg;
|
|
restart_instruction = 1;
|
|
|
|
error = vm_inject_exception(ctx, vcpu, vector, errcode_valid, errcode,
|
|
restart_instruction);
|
|
assert(error == 0);
|
|
}
|
|
|
|
void *
|
|
paddr_guest2host(struct vmctx *ctx, uintptr_t gaddr, size_t len)
|
|
{
|
|
|
|
return (vm_map_gpa(ctx, gaddr, len));
|
|
}
|
|
|
|
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_set_name_np(mtp->mt_thr, tname);
|
|
|
|
if (gdb_port != 0)
|
|
gdb_cpu_add(vcpu);
|
|
|
|
vm_loop(mtp->mt_ctx, vcpu, vmexit[vcpu].rip);
|
|
|
|
/* not reached */
|
|
exit(1);
|
|
return (NULL);
|
|
}
|
|
|
|
void
|
|
fbsdrun_addcpu(struct vmctx *ctx, int fromcpu, int newcpu, uint64_t rip)
|
|
{
|
|
int error;
|
|
|
|
assert(fromcpu == BSP);
|
|
|
|
/*
|
|
* The 'newcpu' must be activated in the context of 'fromcpu'. If
|
|
* vm_activate_cpu() is delayed until newcpu's pthread starts running
|
|
* then vmm.ko is out-of-sync with bhyve and this can create a race
|
|
* with vm_suspend().
|
|
*/
|
|
error = vm_activate_cpu(ctx, newcpu);
|
|
if (error != 0)
|
|
err(EX_OSERR, "could not activate CPU %d", newcpu);
|
|
|
|
CPU_SET_ATOMIC(newcpu, &cpumask);
|
|
|
|
/*
|
|
* Set up the vmexit struct to allow execution to start
|
|
* at the given RIP
|
|
*/
|
|
vmexit[newcpu].rip = rip;
|
|
vmexit[newcpu].inst_length = 0;
|
|
|
|
mt_vmm_info[newcpu].mt_ctx = ctx;
|
|
mt_vmm_info[newcpu].mt_vcpu = newcpu;
|
|
|
|
error = pthread_create(&mt_vmm_info[newcpu].mt_thr, NULL,
|
|
fbsdrun_start_thread, &mt_vmm_info[newcpu]);
|
|
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(4);
|
|
}
|
|
|
|
CPU_CLR_ATOMIC(vcpu, &cpumask);
|
|
return (CPU_EMPTY(&cpumask));
|
|
}
|
|
|
|
static int
|
|
vmexit_handle_notify(struct vmctx *ctx, struct vm_exit *vme, int *pvcpu,
|
|
uint32_t eax)
|
|
{
|
|
#if BHYVE_DEBUG
|
|
/*
|
|
* put guest-driven debug here
|
|
*/
|
|
#endif
|
|
return (VMEXIT_CONTINUE);
|
|
}
|
|
|
|
static int
|
|
vmexit_inout(struct vmctx *ctx, struct vm_exit *vme, int *pvcpu)
|
|
{
|
|
int error;
|
|
int bytes, port, in, out;
|
|
int vcpu;
|
|
|
|
vcpu = *pvcpu;
|
|
|
|
port = vme->u.inout.port;
|
|
bytes = vme->u.inout.bytes;
|
|
in = vme->u.inout.in;
|
|
out = !in;
|
|
|
|
/* Extra-special case of host notifications */
|
|
if (out && port == GUEST_NIO_PORT) {
|
|
error = vmexit_handle_notify(ctx, vme, pvcpu, vme->u.inout.eax);
|
|
return (error);
|
|
}
|
|
|
|
error = emulate_inout(ctx, vcpu, vme, strictio);
|
|
if (error) {
|
|
fprintf(stderr, "Unhandled %s%c 0x%04x at 0x%lx\n",
|
|
in ? "in" : "out",
|
|
bytes == 1 ? 'b' : (bytes == 2 ? 'w' : 'l'),
|
|
port, vmexit->rip);
|
|
return (VMEXIT_ABORT);
|
|
} else {
|
|
return (VMEXIT_CONTINUE);
|
|
}
|
|
}
|
|
|
|
static int
|
|
vmexit_rdmsr(struct vmctx *ctx, struct vm_exit *vme, int *pvcpu)
|
|
{
|
|
uint64_t val;
|
|
uint32_t eax, edx;
|
|
int error;
|
|
|
|
val = 0;
|
|
error = emulate_rdmsr(ctx, *pvcpu, vme->u.msr.code, &val);
|
|
if (error != 0) {
|
|
fprintf(stderr, "rdmsr to register %#x on vcpu %d\n",
|
|
vme->u.msr.code, *pvcpu);
|
|
if (strictmsr) {
|
|
vm_inject_gp(ctx, *pvcpu);
|
|
return (VMEXIT_CONTINUE);
|
|
}
|
|
}
|
|
|
|
eax = val;
|
|
error = vm_set_register(ctx, *pvcpu, VM_REG_GUEST_RAX, eax);
|
|
assert(error == 0);
|
|
|
|
edx = val >> 32;
|
|
error = vm_set_register(ctx, *pvcpu, VM_REG_GUEST_RDX, edx);
|
|
assert(error == 0);
|
|
|
|
return (VMEXIT_CONTINUE);
|
|
}
|
|
|
|
static int
|
|
vmexit_wrmsr(struct vmctx *ctx, struct vm_exit *vme, int *pvcpu)
|
|
{
|
|
int error;
|
|
|
|
error = emulate_wrmsr(ctx, *pvcpu, vme->u.msr.code, vme->u.msr.wval);
|
|
if (error != 0) {
|
|
fprintf(stderr, "wrmsr to register %#x(%#lx) on vcpu %d\n",
|
|
vme->u.msr.code, vme->u.msr.wval, *pvcpu);
|
|
if (strictmsr) {
|
|
vm_inject_gp(ctx, *pvcpu);
|
|
return (VMEXIT_CONTINUE);
|
|
}
|
|
}
|
|
return (VMEXIT_CONTINUE);
|
|
}
|
|
|
|
static int
|
|
vmexit_spinup_ap(struct vmctx *ctx, struct vm_exit *vme, int *pvcpu)
|
|
{
|
|
|
|
(void)spinup_ap(ctx, *pvcpu,
|
|
vme->u.spinup_ap.vcpu, vme->u.spinup_ap.rip);
|
|
|
|
return (VMEXIT_CONTINUE);
|
|
}
|
|
|
|
#define DEBUG_EPT_MISCONFIG
|
|
#ifdef DEBUG_EPT_MISCONFIG
|
|
#define VMCS_GUEST_PHYSICAL_ADDRESS 0x00002400
|
|
|
|
static uint64_t ept_misconfig_gpa, ept_misconfig_pte[4];
|
|
static int ept_misconfig_ptenum;
|
|
#endif
|
|
|
|
static const char *
|
|
vmexit_vmx_desc(uint32_t exit_reason)
|
|
{
|
|
|
|
if (exit_reason >= nitems(vmx_exit_reason_desc) ||
|
|
vmx_exit_reason_desc[exit_reason] == NULL)
|
|
return ("Unknown");
|
|
return (vmx_exit_reason_desc[exit_reason]);
|
|
}
|
|
|
|
static int
|
|
vmexit_vmx(struct vmctx *ctx, struct vm_exit *vmexit, int *pvcpu)
|
|
{
|
|
|
|
fprintf(stderr, "vm exit[%d]\n", *pvcpu);
|
|
fprintf(stderr, "\treason\t\tVMX\n");
|
|
fprintf(stderr, "\trip\t\t0x%016lx\n", vmexit->rip);
|
|
fprintf(stderr, "\tinst_length\t%d\n", vmexit->inst_length);
|
|
fprintf(stderr, "\tstatus\t\t%d\n", vmexit->u.vmx.status);
|
|
fprintf(stderr, "\texit_reason\t%u (%s)\n", vmexit->u.vmx.exit_reason,
|
|
vmexit_vmx_desc(vmexit->u.vmx.exit_reason));
|
|
fprintf(stderr, "\tqualification\t0x%016lx\n",
|
|
vmexit->u.vmx.exit_qualification);
|
|
fprintf(stderr, "\tinst_type\t\t%d\n", vmexit->u.vmx.inst_type);
|
|
fprintf(stderr, "\tinst_error\t\t%d\n", vmexit->u.vmx.inst_error);
|
|
#ifdef DEBUG_EPT_MISCONFIG
|
|
if (vmexit->u.vmx.exit_reason == EXIT_REASON_EPT_MISCONFIG) {
|
|
vm_get_register(ctx, *pvcpu,
|
|
VMCS_IDENT(VMCS_GUEST_PHYSICAL_ADDRESS),
|
|
&ept_misconfig_gpa);
|
|
vm_get_gpa_pmap(ctx, ept_misconfig_gpa, ept_misconfig_pte,
|
|
&ept_misconfig_ptenum);
|
|
fprintf(stderr, "\tEPT misconfiguration:\n");
|
|
fprintf(stderr, "\t\tGPA: %#lx\n", ept_misconfig_gpa);
|
|
fprintf(stderr, "\t\tPTE(%d): %#lx %#lx %#lx %#lx\n",
|
|
ept_misconfig_ptenum, ept_misconfig_pte[0],
|
|
ept_misconfig_pte[1], ept_misconfig_pte[2],
|
|
ept_misconfig_pte[3]);
|
|
}
|
|
#endif /* DEBUG_EPT_MISCONFIG */
|
|
return (VMEXIT_ABORT);
|
|
}
|
|
|
|
static int
|
|
vmexit_svm(struct vmctx *ctx, struct vm_exit *vmexit, int *pvcpu)
|
|
{
|
|
|
|
fprintf(stderr, "vm exit[%d]\n", *pvcpu);
|
|
fprintf(stderr, "\treason\t\tSVM\n");
|
|
fprintf(stderr, "\trip\t\t0x%016lx\n", vmexit->rip);
|
|
fprintf(stderr, "\tinst_length\t%d\n", vmexit->inst_length);
|
|
fprintf(stderr, "\texitcode\t%#lx\n", vmexit->u.svm.exitcode);
|
|
fprintf(stderr, "\texitinfo1\t%#lx\n", vmexit->u.svm.exitinfo1);
|
|
fprintf(stderr, "\texitinfo2\t%#lx\n", vmexit->u.svm.exitinfo2);
|
|
return (VMEXIT_ABORT);
|
|
}
|
|
|
|
static int
|
|
vmexit_bogus(struct vmctx *ctx, struct vm_exit *vmexit, int *pvcpu)
|
|
{
|
|
|
|
assert(vmexit->inst_length == 0);
|
|
|
|
stats.vmexit_bogus++;
|
|
|
|
return (VMEXIT_CONTINUE);
|
|
}
|
|
|
|
static int
|
|
vmexit_reqidle(struct vmctx *ctx, struct vm_exit *vmexit, int *pvcpu)
|
|
{
|
|
|
|
assert(vmexit->inst_length == 0);
|
|
|
|
stats.vmexit_reqidle++;
|
|
|
|
return (VMEXIT_CONTINUE);
|
|
}
|
|
|
|
static int
|
|
vmexit_hlt(struct vmctx *ctx, struct vm_exit *vmexit, 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 vm_exit *vmexit, int *pvcpu)
|
|
{
|
|
|
|
stats.vmexit_pause++;
|
|
|
|
return (VMEXIT_CONTINUE);
|
|
}
|
|
|
|
static int
|
|
vmexit_mtrap(struct vmctx *ctx, struct vm_exit *vmexit, int *pvcpu)
|
|
{
|
|
|
|
assert(vmexit->inst_length == 0);
|
|
|
|
stats.vmexit_mtrap++;
|
|
|
|
if (gdb_port == 0) {
|
|
fprintf(stderr, "vm_loop: unexpected VMEXIT_MTRAP\n");
|
|
exit(4);
|
|
}
|
|
gdb_cpu_mtrap(*pvcpu);
|
|
return (VMEXIT_CONTINUE);
|
|
}
|
|
|
|
static int
|
|
vmexit_inst_emul(struct vmctx *ctx, struct vm_exit *vmexit, int *pvcpu)
|
|
{
|
|
int err, i;
|
|
struct vie *vie;
|
|
|
|
stats.vmexit_inst_emul++;
|
|
|
|
vie = &vmexit->u.inst_emul.vie;
|
|
err = emulate_mem(ctx, *pvcpu, vmexit->u.inst_emul.gpa,
|
|
vie, &vmexit->u.inst_emul.paging);
|
|
|
|
if (err) {
|
|
if (err == ESRCH) {
|
|
fprintf(stderr, "Unhandled memory access to 0x%lx\n",
|
|
vmexit->u.inst_emul.gpa);
|
|
}
|
|
|
|
fprintf(stderr, "Failed to emulate instruction [");
|
|
for (i = 0; i < vie->num_valid; i++) {
|
|
fprintf(stderr, "0x%02x%s", vie->inst[i],
|
|
i != (vie->num_valid - 1) ? " " : "");
|
|
}
|
|
fprintf(stderr, "] at 0x%lx\n", vmexit->rip);
|
|
return (VMEXIT_ABORT);
|
|
}
|
|
|
|
return (VMEXIT_CONTINUE);
|
|
}
|
|
|
|
static pthread_mutex_t resetcpu_mtx = PTHREAD_MUTEX_INITIALIZER;
|
|
static pthread_cond_t resetcpu_cond = PTHREAD_COND_INITIALIZER;
|
|
|
|
static int
|
|
vmexit_suspend(struct vmctx *ctx, struct vm_exit *vmexit, int *pvcpu)
|
|
{
|
|
enum vm_suspend_how how;
|
|
|
|
how = vmexit->u.suspended.how;
|
|
|
|
fbsdrun_deletecpu(ctx, *pvcpu);
|
|
|
|
if (*pvcpu != BSP) {
|
|
pthread_mutex_lock(&resetcpu_mtx);
|
|
pthread_cond_signal(&resetcpu_cond);
|
|
pthread_mutex_unlock(&resetcpu_mtx);
|
|
pthread_exit(NULL);
|
|
}
|
|
|
|
pthread_mutex_lock(&resetcpu_mtx);
|
|
while (!CPU_EMPTY(&cpumask)) {
|
|
pthread_cond_wait(&resetcpu_cond, &resetcpu_mtx);
|
|
}
|
|
pthread_mutex_unlock(&resetcpu_mtx);
|
|
|
|
switch (how) {
|
|
case VM_SUSPEND_RESET:
|
|
exit(0);
|
|
case VM_SUSPEND_POWEROFF:
|
|
exit(1);
|
|
case VM_SUSPEND_HALT:
|
|
exit(2);
|
|
case VM_SUSPEND_TRIPLEFAULT:
|
|
exit(3);
|
|
default:
|
|
fprintf(stderr, "vmexit_suspend: invalid reason %d\n", how);
|
|
exit(100);
|
|
}
|
|
return (0); /* NOTREACHED */
|
|
}
|
|
|
|
static int
|
|
vmexit_debug(struct vmctx *ctx, struct vm_exit *vmexit, int *pvcpu)
|
|
{
|
|
|
|
if (gdb_port == 0) {
|
|
fprintf(stderr, "vm_loop: unexpected VMEXIT_DEBUG\n");
|
|
exit(4);
|
|
}
|
|
gdb_cpu_suspend(*pvcpu);
|
|
return (VMEXIT_CONTINUE);
|
|
}
|
|
|
|
static int
|
|
vmexit_breakpoint(struct vmctx *ctx, struct vm_exit *vmexit, int *pvcpu)
|
|
{
|
|
|
|
if (gdb_port == 0) {
|
|
fprintf(stderr, "vm_loop: unexpected VMEXIT_DEBUG\n");
|
|
exit(4);
|
|
}
|
|
gdb_cpu_breakpoint(*pvcpu, vmexit);
|
|
return (VMEXIT_CONTINUE);
|
|
}
|
|
|
|
static vmexit_handler_t handler[VM_EXITCODE_MAX] = {
|
|
[VM_EXITCODE_INOUT] = vmexit_inout,
|
|
[VM_EXITCODE_INOUT_STR] = vmexit_inout,
|
|
[VM_EXITCODE_VMX] = vmexit_vmx,
|
|
[VM_EXITCODE_SVM] = vmexit_svm,
|
|
[VM_EXITCODE_BOGUS] = vmexit_bogus,
|
|
[VM_EXITCODE_REQIDLE] = vmexit_reqidle,
|
|
[VM_EXITCODE_RDMSR] = vmexit_rdmsr,
|
|
[VM_EXITCODE_WRMSR] = vmexit_wrmsr,
|
|
[VM_EXITCODE_MTRAP] = vmexit_mtrap,
|
|
[VM_EXITCODE_INST_EMUL] = vmexit_inst_emul,
|
|
[VM_EXITCODE_SPINUP_AP] = vmexit_spinup_ap,
|
|
[VM_EXITCODE_SUSPENDED] = vmexit_suspend,
|
|
[VM_EXITCODE_TASK_SWITCH] = vmexit_task_switch,
|
|
[VM_EXITCODE_DEBUG] = vmexit_debug,
|
|
[VM_EXITCODE_BPT] = vmexit_breakpoint,
|
|
};
|
|
|
|
static void
|
|
vm_loop(struct vmctx *ctx, int vcpu, uint64_t startrip)
|
|
{
|
|
int error, rc;
|
|
enum vm_exitcode exitcode;
|
|
cpuset_t active_cpus;
|
|
|
|
if (vcpumap[vcpu] != NULL) {
|
|
error = pthread_setaffinity_np(pthread_self(),
|
|
sizeof(cpuset_t), vcpumap[vcpu]);
|
|
assert(error == 0);
|
|
}
|
|
|
|
error = vm_active_cpus(ctx, &active_cpus);
|
|
assert(CPU_ISSET(vcpu, &active_cpus));
|
|
|
|
error = vm_set_register(ctx, vcpu, VM_REG_GUEST_RIP, startrip);
|
|
assert(error == 0);
|
|
|
|
while (1) {
|
|
error = vm_run(ctx, vcpu, &vmexit[vcpu]);
|
|
if (error != 0)
|
|
break;
|
|
|
|
exitcode = vmexit[vcpu].exitcode;
|
|
if (exitcode >= VM_EXITCODE_MAX || handler[exitcode] == NULL) {
|
|
fprintf(stderr, "vm_loop: unexpected exitcode 0x%x\n",
|
|
exitcode);
|
|
exit(4);
|
|
}
|
|
|
|
rc = (*handler[exitcode])(ctx, &vmexit[vcpu], &vcpu);
|
|
|
|
switch (rc) {
|
|
case VMEXIT_CONTINUE:
|
|
break;
|
|
case VMEXIT_ABORT:
|
|
abort();
|
|
default:
|
|
exit(4);
|
|
}
|
|
}
|
|
fprintf(stderr, "vm_run error %d, errno %d\n", error, errno);
|
|
}
|
|
|
|
static int
|
|
num_vcpus_allowed(struct vmctx *ctx)
|
|
{
|
|
int tmp, error;
|
|
|
|
error = vm_get_capability(ctx, BSP, VM_CAP_UNRESTRICTED_GUEST, &tmp);
|
|
|
|
/*
|
|
* The guest is allowed to spinup more than one processor only if the
|
|
* UNRESTRICTED_GUEST capability is available.
|
|
*/
|
|
if (error == 0)
|
|
return (VM_MAXCPU);
|
|
else
|
|
return (1);
|
|
}
|
|
|
|
void
|
|
fbsdrun_set_capabilities(struct vmctx *ctx, int cpu)
|
|
{
|
|
int err, tmp;
|
|
|
|
if (fbsdrun_vmexit_on_hlt()) {
|
|
err = vm_get_capability(ctx, cpu, VM_CAP_HALT_EXIT, &tmp);
|
|
if (err < 0) {
|
|
fprintf(stderr, "VM exit on HLT not supported\n");
|
|
exit(4);
|
|
}
|
|
vm_set_capability(ctx, cpu, VM_CAP_HALT_EXIT, 1);
|
|
if (cpu == BSP)
|
|
handler[VM_EXITCODE_HLT] = vmexit_hlt;
|
|
}
|
|
|
|
if (fbsdrun_vmexit_on_pause()) {
|
|
/*
|
|
* pause exit support required for this mode
|
|
*/
|
|
err = vm_get_capability(ctx, cpu, VM_CAP_PAUSE_EXIT, &tmp);
|
|
if (err < 0) {
|
|
fprintf(stderr,
|
|
"SMP mux requested, no pause support\n");
|
|
exit(4);
|
|
}
|
|
vm_set_capability(ctx, cpu, VM_CAP_PAUSE_EXIT, 1);
|
|
if (cpu == BSP)
|
|
handler[VM_EXITCODE_PAUSE] = vmexit_pause;
|
|
}
|
|
|
|
if (x2apic_mode)
|
|
err = vm_set_x2apic_state(ctx, cpu, X2APIC_ENABLED);
|
|
else
|
|
err = vm_set_x2apic_state(ctx, cpu, X2APIC_DISABLED);
|
|
|
|
if (err) {
|
|
fprintf(stderr, "Unable to set x2apic state (%d)\n", err);
|
|
exit(4);
|
|
}
|
|
|
|
vm_set_capability(ctx, cpu, VM_CAP_ENABLE_INVPCID, 1);
|
|
}
|
|
|
|
static struct vmctx *
|
|
do_open(const char *vmname)
|
|
{
|
|
struct vmctx *ctx;
|
|
int error;
|
|
bool reinit, romboot;
|
|
#ifndef WITHOUT_CAPSICUM
|
|
cap_rights_t rights;
|
|
const cap_ioctl_t *cmds;
|
|
size_t ncmds;
|
|
#endif
|
|
|
|
reinit = romboot = false;
|
|
|
|
if (lpc_bootrom())
|
|
romboot = true;
|
|
|
|
error = vm_create(vmname);
|
|
if (error) {
|
|
if (errno == EEXIST) {
|
|
if (romboot) {
|
|
reinit = true;
|
|
} else {
|
|
/*
|
|
* The virtual machine has been setup by the
|
|
* userspace bootloader.
|
|
*/
|
|
}
|
|
} else {
|
|
perror("vm_create");
|
|
exit(4);
|
|
}
|
|
} else {
|
|
if (!romboot) {
|
|
/*
|
|
* If the virtual machine was just created then a
|
|
* bootrom must be configured to boot it.
|
|
*/
|
|
fprintf(stderr, "virtual machine cannot be booted\n");
|
|
exit(4);
|
|
}
|
|
}
|
|
|
|
ctx = vm_open(vmname);
|
|
if (ctx == NULL) {
|
|
perror("vm_open");
|
|
exit(4);
|
|
}
|
|
|
|
#ifndef WITHOUT_CAPSICUM
|
|
cap_rights_init(&rights, CAP_IOCTL, CAP_MMAP_RW);
|
|
if (caph_rights_limit(vm_get_device_fd(ctx), &rights) == -1)
|
|
errx(EX_OSERR, "Unable to apply rights for sandbox");
|
|
vm_get_ioctls(&ncmds);
|
|
cmds = vm_get_ioctls(NULL);
|
|
if (cmds == NULL)
|
|
errx(EX_OSERR, "out of memory");
|
|
if (caph_ioctls_limit(vm_get_device_fd(ctx), cmds, ncmds) == -1)
|
|
errx(EX_OSERR, "Unable to apply rights for sandbox");
|
|
free((cap_ioctl_t *)cmds);
|
|
#endif
|
|
|
|
if (reinit) {
|
|
error = vm_reinit(ctx);
|
|
if (error) {
|
|
perror("vm_reinit");
|
|
exit(4);
|
|
}
|
|
}
|
|
error = vm_set_topology(ctx, sockets, cores, threads, maxcpus);
|
|
if (error)
|
|
errx(EX_OSERR, "vm_set_topology");
|
|
return (ctx);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int c, error, dbg_port, err, bvmcons;
|
|
int max_vcpus, mptgen, memflags;
|
|
int rtc_localtime;
|
|
bool gdb_stop;
|
|
struct vmctx *ctx;
|
|
uint64_t rip;
|
|
size_t memsize;
|
|
char *optstr;
|
|
|
|
bvmcons = 0;
|
|
progname = basename(argv[0]);
|
|
dbg_port = 0;
|
|
gdb_stop = false;
|
|
guest_ncpus = 1;
|
|
sockets = cores = threads = 1;
|
|
maxcpus = 0;
|
|
memsize = 256 * MB;
|
|
mptgen = 1;
|
|
rtc_localtime = 1;
|
|
memflags = 0;
|
|
|
|
optstr = "abehuwxACHIPSWYp:g: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':
|
|
if (topology_parse(optarg) != 0) {
|
|
errx(EX_USAGE, "invalid cpu topology "
|
|
"'%s'", optarg);
|
|
}
|
|
break;
|
|
case 'C':
|
|
memflags |= VM_MEM_F_INCORE;
|
|
break;
|
|
case 'g':
|
|
dbg_port = atoi(optarg);
|
|
break;
|
|
case 'G':
|
|
if (optarg[0] == 'w') {
|
|
gdb_stop = true;
|
|
optarg++;
|
|
}
|
|
gdb_port = atoi(optarg);
|
|
break;
|
|
case 'l':
|
|
if (strncmp(optarg, "help", strlen(optarg)) == 0) {
|
|
lpc_print_supported_devices();
|
|
exit(0);
|
|
} else if (lpc_device_parse(optarg) != 0) {
|
|
errx(EX_USAGE, "invalid lpc device "
|
|
"configuration '%s'", optarg);
|
|
}
|
|
break;
|
|
case 's':
|
|
if (strncmp(optarg, "help", strlen(optarg)) == 0) {
|
|
pci_print_supported_devices();
|
|
exit(0);
|
|
} else if (pci_parse_slot(optarg) != 0)
|
|
exit(4);
|
|
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);
|
|
|
|
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(4);
|
|
}
|
|
|
|
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(4);
|
|
}
|
|
|
|
error = init_msr();
|
|
if (error) {
|
|
fprintf(stderr, "init_msr error %d", error);
|
|
exit(4);
|
|
}
|
|
|
|
init_mem();
|
|
init_inout();
|
|
atkbdc_init(ctx);
|
|
pci_irq_init(ctx);
|
|
ioapic_init(ctx);
|
|
|
|
rtc_init(ctx, rtc_localtime);
|
|
sci_init(ctx);
|
|
|
|
/*
|
|
* Exit if a device emulation finds an error in its initilization
|
|
*/
|
|
if (init_pci(ctx) != 0) {
|
|
perror("device emulation initialization error");
|
|
exit(4);
|
|
}
|
|
|
|
if (dbg_port != 0)
|
|
init_dbgport(dbg_port);
|
|
|
|
if (gdb_port != 0)
|
|
init_gdb(ctx, gdb_port, gdb_stop);
|
|
|
|
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(4);
|
|
}
|
|
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) {
|
|
perror("error to build the guest tables");
|
|
exit(4);
|
|
}
|
|
}
|
|
|
|
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);
|
|
|
|
#ifndef WITHOUT_CAPSICUM
|
|
caph_cache_catpages();
|
|
|
|
if (caph_limit_stdout() == -1 || caph_limit_stderr() == -1)
|
|
errx(EX_OSERR, "Unable to apply rights for sandbox");
|
|
|
|
if (caph_enter() == -1)
|
|
errx(EX_OSERR, "cap_enter() failed");
|
|
#endif
|
|
|
|
/*
|
|
* Add CPU 0
|
|
*/
|
|
fbsdrun_addcpu(ctx, BSP, BSP, rip);
|
|
|
|
/*
|
|
* Head off to the main event dispatch loop
|
|
*/
|
|
mevent_dispatch();
|
|
|
|
exit(4);
|
|
}
|