1 /*- 2 * Copyright (c) 2011 NetApp, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/libkern.h> 34 35 #include <machine/md_var.h> 36 37 #include "vmm_util.h" 38 39 boolean_t 40 vmm_is_intel(void) 41 { 42 43 if (strcmp(cpu_vendor, "GenuineIntel") == 0) 44 return (TRUE); 45 else 46 return (FALSE); 47 } 48 49 boolean_t 50 vmm_is_amd(void) 51 { 52 if (strcmp(cpu_vendor, "AuthenticAMD") == 0) 53 return (TRUE); 54 else 55 return (FALSE); 56 } 57 58 boolean_t 59 vmm_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)) 80 void 81 dump_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