2 * Copyright (c) 2011 NetApp, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
33 #include <sys/libkern.h>
35 #include <machine/md_var.h>
43 if (strcmp(cpu_vendor, "GenuineIntel") == 0)
52 if (strcmp(cpu_vendor, "AuthenticAMD") == 0)
59 vmm_supports_1G_pages(void)
64 * CPUID.80000001:EDX[bit 26] = 1 indicates support for 1GB pages
66 * Both Intel and AMD support this bit.
68 if (cpu_exthigh >= 0x80000001) {
69 do_cpuid(0x80000001, regs);
70 if (regs[3] & (1 << 26))
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))
81 dump_trapframe(struct trapframe *tf)