112 lines
2.7 KiB
C
112 lines
2.7 KiB
C
/*-
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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/param.h>
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#include <sys/libkern.h>
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#include <machine/md_var.h>
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#include "vmm_util.h"
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boolean_t
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vmm_is_intel(void)
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{
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if (strcmp(cpu_vendor, "GenuineIntel") == 0)
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return (TRUE);
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else
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return (FALSE);
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}
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boolean_t
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vmm_is_amd(void)
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{
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if (strcmp(cpu_vendor, "AuthenticAMD") == 0)
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return (TRUE);
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else
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return (FALSE);
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}
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boolean_t
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vmm_supports_1G_pages(void)
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{
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unsigned int regs[4];
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/*
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* CPUID.80000001:EDX[bit 26] = 1 indicates support for 1GB pages
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*
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* Both Intel and AMD support this bit.
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*/
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if (cpu_exthigh >= 0x80000001) {
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do_cpuid(0x80000001, regs);
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if (regs[3] & (1 << 26))
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return (TRUE);
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}
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return (FALSE);
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}
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#include <sys/proc.h>
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#include <machine/frame.h>
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#define DUMP_REG(x) printf(#x "\t\t0x%016lx\n", (long)(tf->tf_ ## x))
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#define DUMP_SEG(x) printf(#x "\t\t0x%04x\n", (unsigned)(tf->tf_ ## x))
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void
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dump_trapframe(struct trapframe *tf)
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{
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DUMP_REG(rdi);
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DUMP_REG(rsi);
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DUMP_REG(rdx);
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DUMP_REG(rcx);
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DUMP_REG(r8);
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DUMP_REG(r9);
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DUMP_REG(rax);
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DUMP_REG(rbx);
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DUMP_REG(rbp);
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DUMP_REG(r10);
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DUMP_REG(r11);
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DUMP_REG(r12);
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DUMP_REG(r13);
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DUMP_REG(r14);
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DUMP_REG(r15);
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DUMP_REG(trapno);
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DUMP_REG(addr);
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DUMP_REG(flags);
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DUMP_REG(err);
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DUMP_REG(rip);
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DUMP_REG(rflags);
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DUMP_REG(rsp);
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DUMP_SEG(cs);
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DUMP_SEG(ss);
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DUMP_SEG(fs);
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DUMP_SEG(gs);
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DUMP_SEG(es);
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DUMP_SEG(ds);
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}
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