d45b7f14ae
vmm.ko - kernel module for VT-x, VT-d and hypervisor control bhyve - user-space sequencer and i/o emulation vmmctl - dump of hypervisor register state libvmm - front-end to vmm.ko chardev interface bhyve was designed and implemented by Neel Natu. Thanks to the following folk from NetApp who helped to make this available: Joe CaraDonna Peter Snyder Jeff Heller Sandeep Mann Steve Miller Brian Pawlowski
112 lines
2.7 KiB
C
112 lines
2.7 KiB
C
/*-
|
|
* 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>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/libkern.h>
|
|
|
|
#include <machine/md_var.h>
|
|
|
|
#include "vmm_util.h"
|
|
|
|
boolean_t
|
|
vmm_is_intel(void)
|
|
{
|
|
|
|
if (strcmp(cpu_vendor, "GenuineIntel") == 0)
|
|
return (TRUE);
|
|
else
|
|
return (FALSE);
|
|
}
|
|
|
|
boolean_t
|
|
vmm_is_amd(void)
|
|
{
|
|
if (strcmp(cpu_vendor, "AuthenticAMD") == 0)
|
|
return (TRUE);
|
|
else
|
|
return (FALSE);
|
|
}
|
|
|
|
boolean_t
|
|
vmm_supports_1G_pages(void)
|
|
{
|
|
unsigned int regs[4];
|
|
|
|
/*
|
|
* CPUID.80000001:EDX[bit 26] = 1 indicates support for 1GB pages
|
|
*
|
|
* Both Intel and AMD support this bit.
|
|
*/
|
|
if (cpu_exthigh >= 0x80000001) {
|
|
do_cpuid(0x80000001, regs);
|
|
if (regs[3] & (1 << 26))
|
|
return (TRUE);
|
|
}
|
|
return (FALSE);
|
|
}
|
|
|
|
#include <sys/proc.h>
|
|
#include <machine/frame.h>
|
|
#define DUMP_REG(x) printf(#x "\t\t0x%016lx\n", (long)(tf->tf_ ## x))
|
|
#define DUMP_SEG(x) printf(#x "\t\t0x%04x\n", (unsigned)(tf->tf_ ## x))
|
|
void
|
|
dump_trapframe(struct trapframe *tf)
|
|
{
|
|
DUMP_REG(rdi);
|
|
DUMP_REG(rsi);
|
|
DUMP_REG(rdx);
|
|
DUMP_REG(rcx);
|
|
DUMP_REG(r8);
|
|
DUMP_REG(r9);
|
|
DUMP_REG(rax);
|
|
DUMP_REG(rbx);
|
|
DUMP_REG(rbp);
|
|
DUMP_REG(r10);
|
|
DUMP_REG(r11);
|
|
DUMP_REG(r12);
|
|
DUMP_REG(r13);
|
|
DUMP_REG(r14);
|
|
DUMP_REG(r15);
|
|
DUMP_REG(trapno);
|
|
DUMP_REG(addr);
|
|
DUMP_REG(flags);
|
|
DUMP_REG(err);
|
|
DUMP_REG(rip);
|
|
DUMP_REG(rflags);
|
|
DUMP_REG(rsp);
|
|
DUMP_SEG(cs);
|
|
DUMP_SEG(ss);
|
|
DUMP_SEG(fs);
|
|
DUMP_SEG(gs);
|
|
DUMP_SEG(es);
|
|
DUMP_SEG(ds);
|
|
}
|