/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* 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.
*/
#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/libkern.h>
#include <machine/md_var.h>
#include "vmm_util.h"
bool
vmm_is_hw_supported(void)
{
return (vmm_is_intel() || vmm_is_svm());
}
bool
vmm_is_intel(void)
{
return (strcmp(cpu_vendor, "GenuineIntel") == 0);
}
bool
vmm_is_svm(void)
{
return (strcmp(cpu_vendor, "AuthenticAMD") == 0 ||
strcmp(cpu_vendor, "HygonGenuine") == 0);
}
bool
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);
}
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