vmm_util.c revision 221914
1139823Simp/*- 298402Sjulian * Copyright (c) 2011 NetApp, Inc. 398402Sjulian * All rights reserved. 498402Sjulian * 598402Sjulian * Redistribution and use in source and binary forms, with or without 698402Sjulian * modification, are permitted provided that the following conditions 798402Sjulian * are met: 898402Sjulian * 1. Redistributions of source code must retain the above copyright 998402Sjulian * notice, this list of conditions and the following disclaimer. 1098402Sjulian * 2. Redistributions in binary form must reproduce the above copyright 1198402Sjulian * notice, this list of conditions and the following disclaimer in the 1298402Sjulian * documentation and/or other materials provided with the distribution. 1398402Sjulian * 1498402Sjulian * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 1598402Sjulian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1698402Sjulian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1798402Sjulian * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 1898402Sjulian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1998402Sjulian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2098402Sjulian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2198402Sjulian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2298402Sjulian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2398402Sjulian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2498402Sjulian * SUCH DAMAGE. 2598402Sjulian * 2698402Sjulian * $FreeBSD$ 2798402Sjulian */ 2898402Sjulian 29122481Sru#include <sys/cdefs.h> 30122481Sru__FBSDID("$FreeBSD$"); 3198402Sjulian 3298402Sjulian#include <sys/param.h> 3398402Sjulian#include <sys/libkern.h> 34136673Sglebius 35136673Sglebius#include <machine/md_var.h> 3698402Sjulian 37136673Sglebius#include "vmm_util.h" 38136673Sglebius 39136673Sglebiusboolean_t 40136673Sglebiusvmm_is_intel(void) 41136673Sglebius{ 42136673Sglebius 4398402Sjulian if (strcmp(cpu_vendor, "GenuineIntel") == 0) 4498402Sjulian return (TRUE); 4598402Sjulian else 4698402Sjulian return (FALSE); 47136673Sglebius} 4898402Sjulian 49122481Sruboolean_t 50vmm_is_amd(void) 51{ 52 if (strcmp(cpu_vendor, "AuthenticAMD") == 0) 53 return (TRUE); 54 else 55 return (FALSE); 56} 57 58boolean_t 59vmm_supports_1G_pages(void) 60{ 61 unsigned int regs[4]; 62 63 /* 64 * CPUID.80000001:EDX[bit 26] = 1 indicates support for 1GB pages 65 * 66 * Both Intel and AMD support this bit. 67 */ 68 if (cpu_exthigh >= 0x80000001) { 69 do_cpuid(0x80000001, regs); 70 if (regs[3] & (1 << 26)) 71 return (TRUE); 72 } 73 return (FALSE); 74} 75 76#include <sys/proc.h> 77#include <machine/frame.h> 78#define DUMP_REG(x) printf(#x "\t\t0x%016lx\n", (long)(tf->tf_ ## x)) 79#define DUMP_SEG(x) printf(#x "\t\t0x%04x\n", (unsigned)(tf->tf_ ## x)) 80void 81dump_trapframe(struct trapframe *tf) 82{ 83 DUMP_REG(rdi); 84 DUMP_REG(rsi); 85 DUMP_REG(rdx); 86 DUMP_REG(rcx); 87 DUMP_REG(r8); 88 DUMP_REG(r9); 89 DUMP_REG(rax); 90 DUMP_REG(rbx); 91 DUMP_REG(rbp); 92 DUMP_REG(r10); 93 DUMP_REG(r11); 94 DUMP_REG(r12); 95 DUMP_REG(r13); 96 DUMP_REG(r14); 97 DUMP_REG(r15); 98 DUMP_REG(trapno); 99 DUMP_REG(addr); 100 DUMP_REG(flags); 101 DUMP_REG(err); 102 DUMP_REG(rip); 103 DUMP_REG(rflags); 104 DUMP_REG(rsp); 105 DUMP_SEG(cs); 106 DUMP_SEG(ss); 107 DUMP_SEG(fs); 108 DUMP_SEG(gs); 109 DUMP_SEG(es); 110 DUMP_SEG(ds); 111} 112