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authorjhb <jhb@FreeBSD.org>2014-09-04 14:26:25 +0000
committerjhb <jhb@FreeBSD.org>2014-09-04 14:26:25 +0000
commitf7c94cc49724c1fba2f76fa87cc4c8363305e7ec (patch)
tree8ce283b4858d334a6cc1be84e4e43bdbbf6c8e26 /sys/x86
parentf8354988a61ef2d63a8b5beb841b2fc049e3f6ca (diff)
downloadFreeBSD-src-f7c94cc49724c1fba2f76fa87cc4c8363305e7ec.zip
FreeBSD-src-f7c94cc49724c1fba2f76fa87cc4c8363305e7ec.tar.gz
Merge the amd64 and i386 identcpu.c into a single x86 implementation.
This brings the structured extended features mask and VT-x reporting to i386 and Intel cache and TLB info (under bootverbose) to amd64.
Diffstat (limited to 'sys/x86')
-rw-r--r--sys/x86/x86/identcpu.c1989
1 files changed, 1989 insertions, 0 deletions
diff --git a/sys/x86/x86/identcpu.c b/sys/x86/x86/identcpu.c
new file mode 100644
index 0000000..e33ab8a
--- /dev/null
+++ b/sys/x86/x86/identcpu.c
@@ -0,0 +1,1989 @@
+/*-
+ * Copyright (c) 1992 Terrence R. Lambert.
+ * Copyright (c) 1982, 1987, 1990 The Regents of the University of California.
+ * Copyright (c) 1997 KATO Takenori.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS 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.
+ *
+ * from: Id: machdep.c,v 1.193 1996/06/18 01:22:04 bde Exp
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include "opt_cpu.h"
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/cpu.h>
+#include <sys/eventhandler.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/sysctl.h>
+#include <sys/power.h>
+
+#include <machine/asmacros.h>
+#include <machine/clock.h>
+#include <machine/cputypes.h>
+#include <machine/frame.h>
+#include <machine/intr_machdep.h>
+#include <machine/md_var.h>
+#include <machine/segments.h>
+#include <machine/specialreg.h>
+
+#include <amd64/vmm/intel/vmx_controls.h>
+#include <x86/isa/icu.h>
+
+#ifdef __i386__
+#define IDENTBLUE_CYRIX486 0
+#define IDENTBLUE_IBMCPU 1
+#define IDENTBLUE_CYRIXM2 2
+
+static void identifycyrix(void);
+static void print_transmeta_info(void);
+#endif
+static u_int find_cpu_vendor_id(void);
+static void print_AMD_info(void);
+static void print_INTEL_info(void);
+static void print_INTEL_TLB(u_int data);
+static void print_via_padlock_info(void);
+static void print_vmx_info(void);
+
+int cpu_class;
+char machine[] = MACHINE;
+
+#ifdef __amd64__
+#ifdef SCTL_MASK32
+extern int adaptive_machine_arch;
+#endif
+
+static int
+sysctl_hw_machine(SYSCTL_HANDLER_ARGS)
+{
+#ifdef SCTL_MASK32
+ static const char machine32[] = "i386";
+#endif
+ int error;
+
+#ifdef SCTL_MASK32
+ if ((req->flags & SCTL_MASK32) != 0 && adaptive_machine_arch)
+ error = SYSCTL_OUT(req, machine32, sizeof(machine32));
+ else
+#endif
+ error = SYSCTL_OUT(req, machine, sizeof(machine));
+ return (error);
+
+}
+SYSCTL_PROC(_hw, HW_MACHINE, machine, CTLTYPE_STRING | CTLFLAG_RD,
+ NULL, 0, sysctl_hw_machine, "A", "Machine class");
+#else
+SYSCTL_STRING(_hw, HW_MACHINE, machine, CTLFLAG_RD,
+ machine, 0, "Machine class");
+#endif
+
+static char cpu_model[128];
+SYSCTL_STRING(_hw, HW_MODEL, model, CTLFLAG_RD,
+ cpu_model, 0, "Machine model");
+
+static int hw_clockrate;
+SYSCTL_INT(_hw, OID_AUTO, clockrate, CTLFLAG_RD,
+ &hw_clockrate, 0, "CPU instruction clock rate");
+
+static eventhandler_tag tsc_post_tag;
+
+static char cpu_brand[48];
+
+#ifdef __i386__
+#define MAX_BRAND_INDEX 8
+
+static const char *cpu_brandtable[MAX_BRAND_INDEX + 1] = {
+ NULL, /* No brand */
+ "Intel Celeron",
+ "Intel Pentium III",
+ "Intel Pentium III Xeon",
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ "Intel Pentium 4"
+};
+#endif
+
+static struct {
+ char *cpu_name;
+ int cpu_class;
+} cpus[] = {
+#ifdef __i386__
+ { "Intel 80286", CPUCLASS_286 }, /* CPU_286 */
+ { "i386SX", CPUCLASS_386 }, /* CPU_386SX */
+ { "i386DX", CPUCLASS_386 }, /* CPU_386 */
+ { "i486SX", CPUCLASS_486 }, /* CPU_486SX */
+ { "i486DX", CPUCLASS_486 }, /* CPU_486 */
+ { "Pentium", CPUCLASS_586 }, /* CPU_586 */
+ { "Cyrix 486", CPUCLASS_486 }, /* CPU_486DLC */
+ { "Pentium Pro", CPUCLASS_686 }, /* CPU_686 */
+ { "Cyrix 5x86", CPUCLASS_486 }, /* CPU_M1SC */
+ { "Cyrix 6x86", CPUCLASS_486 }, /* CPU_M1 */
+ { "Blue Lightning", CPUCLASS_486 }, /* CPU_BLUE */
+ { "Cyrix 6x86MX", CPUCLASS_686 }, /* CPU_M2 */
+ { "NexGen 586", CPUCLASS_386 }, /* CPU_NX586 (XXX) */
+ { "Cyrix 486S/DX", CPUCLASS_486 }, /* CPU_CY486DX */
+ { "Pentium II", CPUCLASS_686 }, /* CPU_PII */
+ { "Pentium III", CPUCLASS_686 }, /* CPU_PIII */
+ { "Pentium 4", CPUCLASS_686 }, /* CPU_P4 */
+#else
+ { "Clawhammer", CPUCLASS_K8 }, /* CPU_CLAWHAMMER */
+ { "Sledgehammer", CPUCLASS_K8 }, /* CPU_SLEDGEHAMMER */
+#endif
+};
+
+static struct {
+ char *vendor;
+ u_int vendor_id;
+} cpu_vendors[] = {
+ { INTEL_VENDOR_ID, CPU_VENDOR_INTEL }, /* GenuineIntel */
+ { AMD_VENDOR_ID, CPU_VENDOR_AMD }, /* AuthenticAMD */
+ { CENTAUR_VENDOR_ID, CPU_VENDOR_CENTAUR }, /* CentaurHauls */
+#ifdef __i386__
+ { NSC_VENDOR_ID, CPU_VENDOR_NSC }, /* Geode by NSC */
+ { CYRIX_VENDOR_ID, CPU_VENDOR_CYRIX }, /* CyrixInstead */
+ { TRANSMETA_VENDOR_ID, CPU_VENDOR_TRANSMETA }, /* GenuineTMx86 */
+ { SIS_VENDOR_ID, CPU_VENDOR_SIS }, /* SiS SiS SiS */
+ { UMC_VENDOR_ID, CPU_VENDOR_UMC }, /* UMC UMC UMC */
+ { NEXGEN_VENDOR_ID, CPU_VENDOR_NEXGEN }, /* NexGenDriven */
+ { RISE_VENDOR_ID, CPU_VENDOR_RISE }, /* RiseRiseRise */
+#if 0
+ /* XXX CPUID 8000_0000h and 8086_0000h, not 0000_0000h */
+ { "TransmetaCPU", CPU_VENDOR_TRANSMETA },
+#endif
+#endif
+};
+
+void
+printcpuinfo(void)
+{
+ u_int regs[4], i;
+ char *brand;
+
+ cpu_class = cpus[cpu].cpu_class;
+ printf("CPU: ");
+ strncpy(cpu_model, cpus[cpu].cpu_name, sizeof (cpu_model));
+
+ /* Check for extended CPUID information and a processor name. */
+ if (cpu_exthigh >= 0x80000004) {
+ brand = cpu_brand;
+ for (i = 0x80000002; i < 0x80000005; i++) {
+ do_cpuid(i, regs);
+ memcpy(brand, regs, sizeof(regs));
+ brand += sizeof(regs);
+ }
+ }
+
+ switch (cpu_vendor_id) {
+ case CPU_VENDOR_INTEL:
+#ifdef __i386__
+ if ((cpu_id & 0xf00) > 0x300) {
+ u_int brand_index;
+
+ cpu_model[0] = '\0';
+
+ switch (cpu_id & 0x3000) {
+ case 0x1000:
+ strcpy(cpu_model, "Overdrive ");
+ break;
+ case 0x2000:
+ strcpy(cpu_model, "Dual ");
+ break;
+ }
+
+ switch (cpu_id & 0xf00) {
+ case 0x400:
+ strcat(cpu_model, "i486 ");
+ /* Check the particular flavor of 486 */
+ switch (cpu_id & 0xf0) {
+ case 0x00:
+ case 0x10:
+ strcat(cpu_model, "DX");
+ break;
+ case 0x20:
+ strcat(cpu_model, "SX");
+ break;
+ case 0x30:
+ strcat(cpu_model, "DX2");
+ break;
+ case 0x40:
+ strcat(cpu_model, "SL");
+ break;
+ case 0x50:
+ strcat(cpu_model, "SX2");
+ break;
+ case 0x70:
+ strcat(cpu_model,
+ "DX2 Write-Back Enhanced");
+ break;
+ case 0x80:
+ strcat(cpu_model, "DX4");
+ break;
+ }
+ break;
+ case 0x500:
+ /* Check the particular flavor of 586 */
+ strcat(cpu_model, "Pentium");
+ switch (cpu_id & 0xf0) {
+ case 0x00:
+ strcat(cpu_model, " A-step");
+ break;
+ case 0x10:
+ strcat(cpu_model, "/P5");
+ break;
+ case 0x20:
+ strcat(cpu_model, "/P54C");
+ break;
+ case 0x30:
+ strcat(cpu_model, "/P24T");
+ break;
+ case 0x40:
+ strcat(cpu_model, "/P55C");
+ break;
+ case 0x70:
+ strcat(cpu_model, "/P54C");
+ break;
+ case 0x80:
+ strcat(cpu_model, "/P55C (quarter-micron)");
+ break;
+ default:
+ /* nothing */
+ break;
+ }
+#if defined(I586_CPU) && !defined(NO_F00F_HACK)
+ /*
+ * XXX - If/when Intel fixes the bug, this
+ * should also check the version of the
+ * CPU, not just that it's a Pentium.
+ */
+ has_f00f_bug = 1;
+#endif
+ break;
+ case 0x600:
+ /* Check the particular flavor of 686 */
+ switch (cpu_id & 0xf0) {
+ case 0x00:
+ strcat(cpu_model, "Pentium Pro A-step");
+ break;
+ case 0x10:
+ strcat(cpu_model, "Pentium Pro");
+ break;
+ case 0x30:
+ case 0x50:
+ case 0x60:
+ strcat(cpu_model,
+ "Pentium II/Pentium II Xeon/Celeron");
+ cpu = CPU_PII;
+ break;
+ case 0x70:
+ case 0x80:
+ case 0xa0:
+ case 0xb0:
+ strcat(cpu_model,
+ "Pentium III/Pentium III Xeon/Celeron");
+ cpu = CPU_PIII;
+ break;
+ default:
+ strcat(cpu_model, "Unknown 80686");
+ break;
+ }
+ break;
+ case 0xf00:
+ strcat(cpu_model, "Pentium 4");
+ cpu = CPU_P4;
+ break;
+ default:
+ strcat(cpu_model, "unknown");
+ break;
+ }
+
+ /*
+ * If we didn't get a brand name from the extended
+ * CPUID, try to look it up in the brand table.
+ */
+ if (cpu_high > 0 && *cpu_brand == '\0') {
+ brand_index = cpu_procinfo & CPUID_BRAND_INDEX;
+ if (brand_index <= MAX_BRAND_INDEX &&
+ cpu_brandtable[brand_index] != NULL)
+ strcpy(cpu_brand,
+ cpu_brandtable[brand_index]);
+ }
+ }
+#else
+ /* Please make up your mind folks! */
+ strcat(cpu_model, "EM64T");
+#endif
+ break;
+ case CPU_VENDOR_AMD:
+ /*
+ * Values taken from AMD Processor Recognition
+ * http://www.amd.com/K6/k6docs/pdf/20734g.pdf
+ * (also describes ``Features'' encodings.
+ */
+ strcpy(cpu_model, "AMD ");
+#ifdef __i386__
+ switch (cpu_id & 0xFF0) {
+ case 0x410:
+ strcat(cpu_model, "Standard Am486DX");
+ break;
+ case 0x430:
+ strcat(cpu_model, "Enhanced Am486DX2 Write-Through");
+ break;
+ case 0x470:
+ strcat(cpu_model, "Enhanced Am486DX2 Write-Back");
+ break;
+ case 0x480:
+ strcat(cpu_model, "Enhanced Am486DX4/Am5x86 Write-Through");
+ break;
+ case 0x490:
+ strcat(cpu_model, "Enhanced Am486DX4/Am5x86 Write-Back");
+ break;
+ case 0x4E0:
+ strcat(cpu_model, "Am5x86 Write-Through");
+ break;
+ case 0x4F0:
+ strcat(cpu_model, "Am5x86 Write-Back");
+ break;
+ case 0x500:
+ strcat(cpu_model, "K5 model 0");
+ break;
+ case 0x510:
+ strcat(cpu_model, "K5 model 1");
+ break;
+ case 0x520:
+ strcat(cpu_model, "K5 PR166 (model 2)");
+ break;
+ case 0x530:
+ strcat(cpu_model, "K5 PR200 (model 3)");
+ break;
+ case 0x560:
+ strcat(cpu_model, "K6");
+ break;
+ case 0x570:
+ strcat(cpu_model, "K6 266 (model 1)");
+ break;
+ case 0x580:
+ strcat(cpu_model, "K6-2");
+ break;
+ case 0x590:
+ strcat(cpu_model, "K6-III");
+ break;
+ case 0x5a0:
+ strcat(cpu_model, "Geode LX");
+ /*
+ * Make sure the TSC runs through suspension,
+ * otherwise we can't use it as timecounter
+ */
+ wrmsr(0x1900, rdmsr(0x1900) | 0x20ULL);
+ break;
+ default:
+ strcat(cpu_model, "Unknown");
+ break;
+ }
+#if defined(I586_CPU) && defined(CPU_WT_ALLOC)
+ if ((cpu_id & 0xf00) == 0x500) {
+ if (((cpu_id & 0x0f0) > 0)
+ && ((cpu_id & 0x0f0) < 0x60)
+ && ((cpu_id & 0x00f) > 3))
+ enable_K5_wt_alloc();
+ else if (((cpu_id & 0x0f0) > 0x80)
+ || (((cpu_id & 0x0f0) == 0x80)
+ && (cpu_id & 0x00f) > 0x07))
+ enable_K6_2_wt_alloc();
+ else if ((cpu_id & 0x0f0) > 0x50)
+ enable_K6_wt_alloc();
+ }
+#endif
+#else
+ if ((cpu_id & 0xf00) == 0xf00)
+ strcat(cpu_model, "AMD64 Processor");
+ else
+ strcat(cpu_model, "Unknown");
+#endif
+ break;
+#ifdef __i386__
+ case CPU_VENDOR_CYRIX:
+ strcpy(cpu_model, "Cyrix ");
+ switch (cpu_id & 0xff0) {
+ case 0x440:
+ strcat(cpu_model, "MediaGX");
+ break;
+ case 0x520:
+ strcat(cpu_model, "6x86");
+ break;
+ case 0x540:
+ cpu_class = CPUCLASS_586;
+ strcat(cpu_model, "GXm");
+ break;
+ case 0x600:
+ strcat(cpu_model, "6x86MX");
+ break;
+ default:
+ /*
+ * Even though CPU supports the cpuid
+ * instruction, it can be disabled.
+ * Therefore, this routine supports all Cyrix
+ * CPUs.
+ */
+ switch (cyrix_did & 0xf0) {
+ case 0x00:
+ switch (cyrix_did & 0x0f) {
+ case 0x00:
+ strcat(cpu_model, "486SLC");
+ break;
+ case 0x01:
+ strcat(cpu_model, "486DLC");
+ break;
+ case 0x02:
+ strcat(cpu_model, "486SLC2");
+ break;
+ case 0x03:
+ strcat(cpu_model, "486DLC2");
+ break;
+ case 0x04:
+ strcat(cpu_model, "486SRx");
+ break;
+ case 0x05:
+ strcat(cpu_model, "486DRx");
+ break;
+ case 0x06:
+ strcat(cpu_model, "486SRx2");
+ break;
+ case 0x07:
+ strcat(cpu_model, "486DRx2");
+ break;
+ case 0x08:
+ strcat(cpu_model, "486SRu");
+ break;
+ case 0x09:
+ strcat(cpu_model, "486DRu");
+ break;
+ case 0x0a:
+ strcat(cpu_model, "486SRu2");
+ break;
+ case 0x0b:
+ strcat(cpu_model, "486DRu2");
+ break;
+ default:
+ strcat(cpu_model, "Unknown");
+ break;
+ }
+ break;
+ case 0x10:
+ switch (cyrix_did & 0x0f) {
+ case 0x00:
+ strcat(cpu_model, "486S");
+ break;
+ case 0x01:
+ strcat(cpu_model, "486S2");
+ break;
+ case 0x02:
+ strcat(cpu_model, "486Se");
+ break;
+ case 0x03:
+ strcat(cpu_model, "486S2e");
+ break;
+ case 0x0a:
+ strcat(cpu_model, "486DX");
+ break;
+ case 0x0b:
+ strcat(cpu_model, "486DX2");
+ break;
+ case 0x0f:
+ strcat(cpu_model, "486DX4");
+ break;
+ default:
+ strcat(cpu_model, "Unknown");
+ break;
+ }
+ break;
+ case 0x20:
+ if ((cyrix_did & 0x0f) < 8)
+ strcat(cpu_model, "6x86"); /* Where did you get it? */
+ else
+ strcat(cpu_model, "5x86");
+ break;
+ case 0x30:
+ strcat(cpu_model, "6x86");
+ break;
+ case 0x40:
+ if ((cyrix_did & 0xf000) == 0x3000) {
+ cpu_class = CPUCLASS_586;
+ strcat(cpu_model, "GXm");
+ } else
+ strcat(cpu_model, "MediaGX");
+ break;
+ case 0x50:
+ strcat(cpu_model, "6x86MX");
+ break;
+ case 0xf0:
+ switch (cyrix_did & 0x0f) {
+ case 0x0d:
+ strcat(cpu_model, "Overdrive CPU");
+ break;
+ case 0x0e:
+ strcpy(cpu_model, "Texas Instruments 486SXL");
+ break;
+ case 0x0f:
+ strcat(cpu_model, "486SLC/DLC");
+ break;
+ default:
+ strcat(cpu_model, "Unknown");
+ break;
+ }
+ break;
+ default:
+ strcat(cpu_model, "Unknown");
+ break;
+ }
+ break;
+ }
+ break;
+ case CPU_VENDOR_RISE:
+ strcpy(cpu_model, "Rise ");
+ switch (cpu_id & 0xff0) {
+ case 0x500: /* 6401 and 6441 (Kirin) */
+ case 0x520: /* 6510 (Lynx) */
+ strcat(cpu_model, "mP6");
+ break;
+ default:
+ strcat(cpu_model, "Unknown");
+ }
+ break;
+#endif
+ case CPU_VENDOR_CENTAUR:
+#ifdef __i386__
+ switch (cpu_id & 0xff0) {
+ case 0x540:
+ strcpy(cpu_model, "IDT WinChip C6");
+ break;
+ case 0x580:
+ strcpy(cpu_model, "IDT WinChip 2");
+ break;
+ case 0x590:
+ strcpy(cpu_model, "IDT WinChip 3");
+ break;
+ case 0x660:
+ strcpy(cpu_model, "VIA C3 Samuel");
+ break;
+ case 0x670:
+ if (cpu_id & 0x8)
+ strcpy(cpu_model, "VIA C3 Ezra");
+ else
+ strcpy(cpu_model, "VIA C3 Samuel 2");
+ break;
+ case 0x680:
+ strcpy(cpu_model, "VIA C3 Ezra-T");
+ break;
+ case 0x690:
+ strcpy(cpu_model, "VIA C3 Nehemiah");
+ break;
+ case 0x6a0:
+ case 0x6d0:
+ strcpy(cpu_model, "VIA C7 Esther");
+ break;
+ case 0x6f0:
+ strcpy(cpu_model, "VIA Nano");
+ break;
+ default:
+ strcpy(cpu_model, "VIA/IDT Unknown");
+ }
+#else
+ strcpy(cpu_model, "VIA ");
+ if ((cpu_id & 0xff0) == 0x6f0)
+ strcat(cpu_model, "Nano Processor");
+ else
+ strcat(cpu_model, "Unknown");
+#endif
+ break;
+#ifdef __i386__
+ case CPU_VENDOR_IBM:
+ strcpy(cpu_model, "Blue Lightning CPU");
+ break;
+ case CPU_VENDOR_NSC:
+ switch (cpu_id & 0xff0) {
+ case 0x540:
+ strcpy(cpu_model, "Geode SC1100");
+ cpu = CPU_GEODE1100;
+ break;
+ default:
+ strcpy(cpu_model, "Geode/NSC unknown");
+ break;
+ }
+ break;
+#endif
+ default:
+ strcat(cpu_model, "Unknown");
+ break;
+ }
+
+ /*
+ * Replace cpu_model with cpu_brand minus leading spaces if
+ * we have one.
+ */
+ brand = cpu_brand;
+ while (*brand == ' ')
+ ++brand;
+ if (*brand != '\0')
+ strcpy(cpu_model, brand);
+
+ printf("%s (", cpu_model);
+ if (tsc_freq != 0) {
+ hw_clockrate = (tsc_freq + 5000) / 1000000;
+ printf("%jd.%02d-MHz ",
+ (intmax_t)(tsc_freq + 4999) / 1000000,
+ (u_int)((tsc_freq + 4999) / 10000) % 100);
+ }
+ switch(cpu_class) {
+#ifdef __i386__
+ case CPUCLASS_286:
+ printf("286");
+ break;
+ case CPUCLASS_386:
+ printf("386");
+ break;
+#if defined(I486_CPU)
+ case CPUCLASS_486:
+ printf("486");
+ break;
+#endif
+#if defined(I586_CPU)
+ case CPUCLASS_586:
+ printf("586");
+ break;
+#endif
+#if defined(I686_CPU)
+ case CPUCLASS_686:
+ printf("686");
+ break;
+#endif
+#else
+ case CPUCLASS_K8:
+ printf("K8");
+ break;
+#endif
+ default:
+ printf("Unknown"); /* will panic below... */
+ }
+ printf("-class CPU)\n");
+ if (*cpu_vendor)
+ printf(" Origin=\"%s\"", cpu_vendor);
+ if (cpu_id)
+ printf(" Id=0x%x", cpu_id);
+
+ if (cpu_vendor_id == CPU_VENDOR_INTEL ||
+ cpu_vendor_id == CPU_VENDOR_AMD ||
+ cpu_vendor_id == CPU_VENDOR_CENTAUR ||
+#ifdef __i386__
+ cpu_vendor_id == CPU_VENDOR_TRANSMETA ||
+ cpu_vendor_id == CPU_VENDOR_RISE ||
+ cpu_vendor_id == CPU_VENDOR_NSC ||
+ (cpu_vendor_id == CPU_VENDOR_CYRIX && ((cpu_id & 0xf00) > 0x500)) ||
+#endif
+ 0) {
+ printf(" Family=0x%x", CPUID_TO_FAMILY(cpu_id));
+ printf(" Model=0x%x", CPUID_TO_MODEL(cpu_id));
+ printf(" Stepping=%u", cpu_id & CPUID_STEPPING);
+#ifdef __i386__
+ if (cpu_vendor_id == CPU_VENDOR_CYRIX)
+ printf("\n DIR=0x%04x", cyrix_did);
+#endif
+
+ /*
+ * AMD CPUID Specification
+ * http://support.amd.com/us/Embedded_TechDocs/25481.pdf
+ *
+ * Intel Processor Identification and CPUID Instruction
+ * http://www.intel.com/assets/pdf/appnote/241618.pdf
+ */
+ if (cpu_high > 0) {
+
+ /*
+ * Here we should probably set up flags indicating
+ * whether or not various features are available.
+ * The interesting ones are probably VME, PSE, PAE,
+ * and PGE. The code already assumes without bothering
+ * to check that all CPUs >= Pentium have a TSC and
+ * MSRs.
+ */
+ printf("\n Features=0x%b", cpu_feature,
+ "\020"
+ "\001FPU" /* Integral FPU */
+ "\002VME" /* Extended VM86 mode support */
+ "\003DE" /* Debugging Extensions (CR4.DE) */
+ "\004PSE" /* 4MByte page tables */
+ "\005TSC" /* Timestamp counter */
+ "\006MSR" /* Machine specific registers */
+ "\007PAE" /* Physical address extension */
+ "\010MCE" /* Machine Check support */
+ "\011CX8" /* CMPEXCH8 instruction */
+ "\012APIC" /* SMP local APIC */
+ "\013oldMTRR" /* Previous implementation of MTRR */
+ "\014SEP" /* Fast System Call */
+ "\015MTRR" /* Memory Type Range Registers */
+ "\016PGE" /* PG_G (global bit) support */
+ "\017MCA" /* Machine Check Architecture */
+ "\020CMOV" /* CMOV instruction */
+ "\021PAT" /* Page attributes table */
+ "\022PSE36" /* 36 bit address space support */
+ "\023PN" /* Processor Serial number */
+ "\024CLFLUSH" /* Has the CLFLUSH instruction */
+ "\025<b20>"
+ "\026DTS" /* Debug Trace Store */
+ "\027ACPI" /* ACPI support */
+ "\030MMX" /* MMX instructions */
+ "\031FXSR" /* FXSAVE/FXRSTOR */
+ "\032SSE" /* Streaming SIMD Extensions */
+ "\033SSE2" /* Streaming SIMD Extensions #2 */
+ "\034SS" /* Self snoop */
+ "\035HTT" /* Hyperthreading (see EBX bit 16-23) */
+ "\036TM" /* Thermal Monitor clock slowdown */
+ "\037IA64" /* CPU can execute IA64 instructions */
+ "\040PBE" /* Pending Break Enable */
+ );
+
+ if (cpu_feature2 != 0) {
+ printf("\n Features2=0x%b", cpu_feature2,
+ "\020"
+ "\001SSE3" /* SSE3 */
+ "\002PCLMULQDQ" /* Carry-Less Mul Quadword */
+ "\003DTES64" /* 64-bit Debug Trace */
+ "\004MON" /* MONITOR/MWAIT Instructions */
+ "\005DS_CPL" /* CPL Qualified Debug Store */
+ "\006VMX" /* Virtual Machine Extensions */
+ "\007SMX" /* Safer Mode Extensions */
+ "\010EST" /* Enhanced SpeedStep */
+ "\011TM2" /* Thermal Monitor 2 */
+ "\012SSSE3" /* SSSE3 */
+ "\013CNXT-ID" /* L1 context ID available */
+ "\014<b11>"
+ "\015FMA" /* Fused Multiply Add */
+ "\016CX16" /* CMPXCHG16B Instruction */
+ "\017xTPR" /* Send Task Priority Messages*/
+ "\020PDCM" /* Perf/Debug Capability MSR */
+ "\021<b16>"
+ "\022PCID" /* Process-context Identifiers*/
+ "\023DCA" /* Direct Cache Access */
+ "\024SSE4.1" /* SSE 4.1 */
+ "\025SSE4.2" /* SSE 4.2 */
+ "\026x2APIC" /* xAPIC Extensions */
+ "\027MOVBE" /* MOVBE Instruction */
+ "\030POPCNT" /* POPCNT Instruction */
+ "\031TSCDLT" /* TSC-Deadline Timer */
+ "\032AESNI" /* AES Crypto */
+ "\033XSAVE" /* XSAVE/XRSTOR States */
+ "\034OSXSAVE" /* OS-Enabled State Management*/
+ "\035AVX" /* Advanced Vector Extensions */
+ "\036F16C" /* Half-precision conversions */
+ "\037RDRAND" /* RDRAND Instruction */
+ "\040HV" /* Hypervisor */
+ );
+ }
+
+ if (amd_feature != 0) {
+ printf("\n AMD Features=0x%b", amd_feature,
+ "\020" /* in hex */
+ "\001<s0>" /* Same */
+ "\002<s1>" /* Same */
+ "\003<s2>" /* Same */
+ "\004<s3>" /* Same */
+ "\005<s4>" /* Same */
+ "\006<s5>" /* Same */
+ "\007<s6>" /* Same */
+ "\010<s7>" /* Same */
+ "\011<s8>" /* Same */
+ "\012<s9>" /* Same */
+ "\013<b10>" /* Undefined */
+ "\014SYSCALL" /* Have SYSCALL/SYSRET */
+ "\015<s12>" /* Same */
+ "\016<s13>" /* Same */
+ "\017<s14>" /* Same */
+ "\020<s15>" /* Same */
+ "\021<s16>" /* Same */
+ "\022<s17>" /* Same */
+ "\023<b18>" /* Reserved, unknown */
+ "\024MP" /* Multiprocessor Capable */
+ "\025NX" /* Has EFER.NXE, NX */
+ "\026<b21>" /* Undefined */
+ "\027MMX+" /* AMD MMX Extensions */
+ "\030<s23>" /* Same */
+ "\031<s24>" /* Same */
+ "\032FFXSR" /* Fast FXSAVE/FXRSTOR */
+ "\033Page1GB" /* 1-GB large page support */
+ "\034RDTSCP" /* RDTSCP */
+ "\035<b28>" /* Undefined */
+ "\036LM" /* 64 bit long mode */
+ "\0373DNow!+" /* AMD 3DNow! Extensions */
+ "\0403DNow!" /* AMD 3DNow! */
+ );
+ }
+
+ if (amd_feature2 != 0) {
+ printf("\n AMD Features2=0x%b", amd_feature2,
+ "\020"
+ "\001LAHF" /* LAHF/SAHF in long mode */
+ "\002CMP" /* CMP legacy */
+ "\003SVM" /* Secure Virtual Mode */
+ "\004ExtAPIC" /* Extended APIC register */
+ "\005CR8" /* CR8 in legacy mode */
+ "\006ABM" /* LZCNT instruction */
+ "\007SSE4A" /* SSE4A */
+ "\010MAS" /* Misaligned SSE mode */
+ "\011Prefetch" /* 3DNow! Prefetch/PrefetchW */
+ "\012OSVW" /* OS visible workaround */
+ "\013IBS" /* Instruction based sampling */
+ "\014XOP" /* XOP extended instructions */
+ "\015SKINIT" /* SKINIT/STGI */
+ "\016WDT" /* Watchdog timer */
+ "\017<b14>"
+ "\020LWP" /* Lightweight Profiling */
+ "\021FMA4" /* 4-operand FMA instructions */
+ "\022TCE" /* Translation Cache Extension */
+ "\023<b18>"
+ "\024NodeId" /* NodeId MSR support */
+ "\025<b20>"
+ "\026TBM" /* Trailing Bit Manipulation */
+ "\027Topology" /* Topology Extensions */
+ "\030PCXC" /* Core perf count */
+ "\031PNXC" /* NB perf count */
+ "\032<b25>"
+ "\033DBE" /* Data Breakpoint extension */
+ "\034PTSC" /* Performance TSC */
+ "\035PL2I" /* L2I perf count */
+ "\036<b29>"
+ "\037<b30>"
+ "\040<b31>"
+ );
+ }
+
+ if (cpu_stdext_feature != 0) {
+ printf("\n Structured Extended Features=0x%b",
+ cpu_stdext_feature,
+ "\020"
+ /* RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
+ "\001FSGSBASE"
+ "\002TSCADJ"
+ /* Bit Manipulation Instructions */
+ "\004BMI1"
+ /* Hardware Lock Elision */
+ "\005HLE"
+ /* Advanced Vector Instructions 2 */
+ "\006AVX2"
+ /* Supervisor Mode Execution Prot. */
+ "\010SMEP"
+ /* Bit Manipulation Instructions */
+ "\011BMI2"
+ "\012ERMS"
+ /* Invalidate Processor Context ID */
+ "\013INVPCID"
+ /* Restricted Transactional Memory */
+ "\014RTM"
+ /* Intel Memory Protection Extensions */
+ "\017MPX"
+ /* AVX512 Foundation */
+ "\021AVX512F"
+ /* Enhanced NRBG */
+ "\023RDSEED"
+ /* ADCX + ADOX */
+ "\024ADX"
+ /* Supervisor Mode Access Prevention */
+ "\025SMAP"
+ "\030CLFLUSHOPT"
+ "\032PROCTRACE"
+ "\033AVX512PF"
+ "\034AVX512ER"
+ "\035AVX512CD"
+ "\036SHA"
+ );
+ }
+
+ if (via_feature_rng != 0 || via_feature_xcrypt != 0)
+ print_via_padlock_info();
+
+ if (cpu_feature2 & CPUID2_VMX)
+ print_vmx_info();
+
+ if ((cpu_feature & CPUID_HTT) &&
+ cpu_vendor_id == CPU_VENDOR_AMD)
+ cpu_feature &= ~CPUID_HTT;
+
+ /*
+ * If this CPU supports P-state invariant TSC then
+ * mention the capability.
+ */
+ if (tsc_is_invariant) {
+ printf("\n TSC: P-state invariant");
+ if (tsc_perf_stat)
+ printf(", performance statistics");
+ }
+
+ }
+#ifdef __i386__
+ } else if (cpu_vendor_id == CPU_VENDOR_CYRIX) {
+ printf(" DIR=0x%04x", cyrix_did);
+ printf(" Stepping=%u", (cyrix_did & 0xf000) >> 12);
+ printf(" Revision=%u", (cyrix_did & 0x0f00) >> 8);
+#ifndef CYRIX_CACHE_REALLY_WORKS
+ if (cpu == CPU_M1 && (cyrix_did & 0xff00) < 0x1700)
+ printf("\n CPU cache: write-through mode");
+#endif
+#endif
+ }
+
+ /* Avoid ugly blank lines: only print newline when we have to. */
+ if (*cpu_vendor || cpu_id)
+ printf("\n");
+
+ if (!bootverbose)
+ return;
+
+ if (cpu_vendor_id == CPU_VENDOR_AMD)
+ print_AMD_info();
+ else if (cpu_vendor_id == CPU_VENDOR_INTEL)
+ print_INTEL_info();
+#ifdef __i386__
+ else if (cpu_vendor_id == CPU_VENDOR_TRANSMETA)
+ print_transmeta_info();
+#endif
+}
+
+void
+panicifcpuunsupported(void)
+{
+
+#ifdef __i386__
+#if !defined(lint)
+#if !defined(I486_CPU) && !defined(I586_CPU) && !defined(I686_CPU)
+#error This kernel is not configured for one of the supported CPUs
+#endif
+#else /* lint */
+#endif /* lint */
+#else /* __amd64__ */
+#ifndef HAMMER
+#error "You need to specify a cpu type"
+#endif
+#endif
+ /*
+ * Now that we have told the user what they have,
+ * let them know if that machine type isn't configured.
+ */
+ switch (cpu_class) {
+#ifdef __i386__
+ case CPUCLASS_286: /* a 286 should not make it this far, anyway */
+ case CPUCLASS_386:
+#if !defined(I486_CPU)
+ case CPUCLASS_486:
+#endif
+#if !defined(I586_CPU)
+ case CPUCLASS_586:
+#endif
+#if !defined(I686_CPU)
+ case CPUCLASS_686:
+#endif
+#else /* __amd64__ */
+ case CPUCLASS_X86:
+#ifndef HAMMER
+ case CPUCLASS_K8:
+#endif
+#endif
+ panic("CPU class not configured");
+ default:
+ break;
+ }
+}
+
+#ifdef __i386__
+static volatile u_int trap_by_rdmsr;
+
+/*
+ * Special exception 6 handler.
+ * The rdmsr instruction generates invalid opcodes fault on 486-class
+ * Cyrix CPU. Stacked eip register points the rdmsr instruction in the
+ * function identblue() when this handler is called. Stacked eip should
+ * be advanced.
+ */
+inthand_t bluetrap6;
+#ifdef __GNUCLIKE_ASM
+__asm
+(" \n\
+ .text \n\
+ .p2align 2,0x90 \n\
+ .type " __XSTRING(CNAME(bluetrap6)) ",@function \n\
+" __XSTRING(CNAME(bluetrap6)) ": \n\
+ ss \n\
+ movl $0xa8c1d," __XSTRING(CNAME(trap_by_rdmsr)) " \n\
+ addl $2, (%esp) /* rdmsr is a 2-byte instruction */ \n\
+ iret \n\
+");
+#endif
+
+/*
+ * Special exception 13 handler.
+ * Accessing non-existent MSR generates general protection fault.
+ */
+inthand_t bluetrap13;
+#ifdef __GNUCLIKE_ASM
+__asm
+(" \n\
+ .text \n\
+ .p2align 2,0x90 \n\
+ .type " __XSTRING(CNAME(bluetrap13)) ",@function \n\
+" __XSTRING(CNAME(bluetrap13)) ": \n\
+ ss \n\
+ movl $0xa89c4," __XSTRING(CNAME(trap_by_rdmsr)) " \n\
+ popl %eax /* discard error code */ \n\
+ addl $2, (%esp) /* rdmsr is a 2-byte instruction */ \n\
+ iret \n\
+");
+#endif
+
+/*
+ * Distinguish IBM Blue Lightning CPU from Cyrix CPUs that does not
+ * support cpuid instruction. This function should be called after
+ * loading interrupt descriptor table register.
+ *
+ * I don't like this method that handles fault, but I couldn't get
+ * information for any other methods. Does blue giant know?
+ */
+static int
+identblue(void)
+{
+
+ trap_by_rdmsr = 0;
+
+ /*
+ * Cyrix 486-class CPU does not support rdmsr instruction.
+ * The rdmsr instruction generates invalid opcode fault, and exception
+ * will be trapped by bluetrap6() on Cyrix 486-class CPU. The
+ * bluetrap6() set the magic number to trap_by_rdmsr.
+ */
+ setidt(IDT_UD, bluetrap6, SDT_SYS386TGT, SEL_KPL,
+ GSEL(GCODE_SEL, SEL_KPL));
+
+ /*
+ * Certain BIOS disables cpuid instruction of Cyrix 6x86MX CPU.
+ * In this case, rdmsr generates general protection fault, and
+ * exception will be trapped by bluetrap13().
+ */
+ setidt(IDT_GP, bluetrap13, SDT_SYS386TGT, SEL_KPL,
+ GSEL(GCODE_SEL, SEL_KPL));
+
+ rdmsr(0x1002); /* Cyrix CPU generates fault. */
+
+ if (trap_by_rdmsr == 0xa8c1d)
+ return IDENTBLUE_CYRIX486;
+ else if (trap_by_rdmsr == 0xa89c4)
+ return IDENTBLUE_CYRIXM2;
+ return IDENTBLUE_IBMCPU;
+}
+
+
+/*
+ * identifycyrix() set lower 16 bits of cyrix_did as follows:
+ *
+ * F E D C B A 9 8 7 6 5 4 3 2 1 0
+ * +-------+-------+---------------+
+ * | SID | RID | Device ID |
+ * | (DIR 1) | (DIR 0) |
+ * +-------+-------+---------------+
+ */
+static void
+identifycyrix(void)
+{
+ register_t saveintr;
+ int ccr2_test = 0, dir_test = 0;
+ u_char ccr2, ccr3;
+
+ saveintr = intr_disable();
+
+ ccr2 = read_cyrix_reg(CCR2);
+ write_cyrix_reg(CCR2, ccr2 ^ CCR2_LOCK_NW);
+ read_cyrix_reg(CCR2);
+ if (read_cyrix_reg(CCR2) != ccr2)
+ ccr2_test = 1;
+ write_cyrix_reg(CCR2, ccr2);
+
+ ccr3 = read_cyrix_reg(CCR3);
+ write_cyrix_reg(CCR3, ccr3 ^ CCR3_MAPEN3);
+ read_cyrix_reg(CCR3);
+ if (read_cyrix_reg(CCR3) != ccr3)
+ dir_test = 1; /* CPU supports DIRs. */
+ write_cyrix_reg(CCR3, ccr3);
+
+ if (dir_test) {
+ /* Device ID registers are available. */
+ cyrix_did = read_cyrix_reg(DIR1) << 8;
+ cyrix_did += read_cyrix_reg(DIR0);
+ } else if (ccr2_test)
+ cyrix_did = 0x0010; /* 486S A-step */
+ else
+ cyrix_did = 0x00ff; /* Old 486SLC/DLC and TI486SXLC/SXL */
+
+ intr_restore(saveintr);
+}
+#endif
+
+/* Update TSC freq with the value indicated by the caller. */
+static void
+tsc_freq_changed(void *arg __unused, const struct cf_level *level, int status)
+{
+
+ /* If there was an error during the transition, don't do anything. */
+ if (status != 0)
+ return;
+
+ /* Total setting for this level gives the new frequency in MHz. */
+ hw_clockrate = level->total_set.freq;
+}
+
+static void
+hook_tsc_freq(void *arg __unused)
+{
+
+ if (tsc_is_invariant)
+ return;
+
+ tsc_post_tag = EVENTHANDLER_REGISTER(cpufreq_post_change,
+ tsc_freq_changed, NULL, EVENTHANDLER_PRI_ANY);
+}
+
+SYSINIT(hook_tsc_freq, SI_SUB_CONFIGURE, SI_ORDER_ANY, hook_tsc_freq, NULL);
+
+/*
+ * Final stage of CPU identification.
+ */
+#ifdef __i386__
+void
+finishidentcpu(void)
+#else
+void
+identify_cpu(void)
+#endif
+{
+ u_int regs[4], cpu_stdext_disable;
+#ifdef __i386__
+ u_char ccr3;
+#endif
+
+#ifdef __amd64__
+ do_cpuid(0, regs);
+ cpu_high = regs[0];
+ ((u_int *)&cpu_vendor)[0] = regs[1];
+ ((u_int *)&cpu_vendor)[1] = regs[3];
+ ((u_int *)&cpu_vendor)[2] = regs[2];
+ cpu_vendor[12] = '\0';
+
+ do_cpuid(1, regs);
+ cpu_id = regs[0];
+ cpu_procinfo = regs[1];
+ cpu_feature = regs[3];
+ cpu_feature2 = regs[2];
+#endif
+
+ cpu_vendor_id = find_cpu_vendor_id();
+
+ /*
+ * Clear "Limit CPUID Maxval" bit and get the largest standard CPUID
+ * function number again if it is set from BIOS. It is necessary
+ * for probing correct CPU topology later.
+ * XXX This is only done on the BSP package.
+ */
+ if (cpu_vendor_id == CPU_VENDOR_INTEL && cpu_high > 0 && cpu_high < 4 &&
+ ((CPUID_TO_FAMILY(cpu_id) == 0xf && CPUID_TO_MODEL(cpu_id) >= 0x3) ||
+ (CPUID_TO_FAMILY(cpu_id) == 0x6 && CPUID_TO_MODEL(cpu_id) >= 0xe))) {
+ uint64_t msr;
+ msr = rdmsr(MSR_IA32_MISC_ENABLE);
+ if ((msr & 0x400000ULL) != 0) {
+ wrmsr(MSR_IA32_MISC_ENABLE, msr & ~0x400000ULL);
+ do_cpuid(0, regs);
+ cpu_high = regs[0];
+ }
+ }
+
+ if (cpu_high >= 5 && (cpu_feature2 & CPUID2_MON) != 0) {
+ do_cpuid(5, regs);
+ cpu_mon_mwait_flags = regs[2];
+ cpu_mon_min_size = regs[0] & CPUID5_MON_MIN_SIZE;
+ cpu_mon_max_size = regs[1] & CPUID5_MON_MAX_SIZE;
+ }
+
+ if (cpu_high >= 7) {
+ cpuid_count(7, 0, regs);
+ cpu_stdext_feature = regs[1];
+
+ /*
+ * Some hypervisors fail to filter out unsupported
+ * extended features. For now, disable the
+ * extensions, activation of which requires setting a
+ * bit in CR4, and which VM monitors do not support.
+ */
+ if (cpu_feature2 & CPUID2_HV) {
+ cpu_stdext_disable = CPUID_STDEXT_FSGSBASE |
+ CPUID_STDEXT_SMEP;
+ } else
+ cpu_stdext_disable = 0;
+ TUNABLE_INT_FETCH("hw.cpu_stdext_disable", &cpu_stdext_disable);
+ cpu_stdext_feature &= ~cpu_stdext_disable;
+ }
+
+#ifdef __i386__
+ if (cpu_high > 0 &&
+ (cpu_vendor_id == CPU_VENDOR_INTEL ||
+ cpu_vendor_id == CPU_VENDOR_AMD ||
+ cpu_vendor_id == CPU_VENDOR_TRANSMETA ||
+ cpu_vendor_id == CPU_VENDOR_CENTAUR ||
+ cpu_vendor_id == CPU_VENDOR_NSC)) {
+ do_cpuid(0x80000000, regs);
+ if (regs[0] >= 0x80000000)
+ cpu_exthigh = regs[0];
+ }
+#else
+ if (cpu_vendor_id == CPU_VENDOR_INTEL ||
+ cpu_vendor_id == CPU_VENDOR_AMD ||
+ cpu_vendor_id == CPU_VENDOR_CENTAUR) {
+ do_cpuid(0x80000000, regs);
+ cpu_exthigh = regs[0];
+ }
+#endif
+ if (cpu_exthigh >= 0x80000001) {
+ do_cpuid(0x80000001, regs);
+ amd_feature = regs[3] & ~(cpu_feature & 0x0183f3ff);
+ amd_feature2 = regs[2];
+ }
+ if (cpu_exthigh >= 0x80000007) {
+ do_cpuid(0x80000007, regs);
+ amd_pminfo = regs[3];
+ }
+ if (cpu_exthigh >= 0x80000008) {
+ do_cpuid(0x80000008, regs);
+ cpu_procinfo2 = regs[2];
+ }
+
+#ifdef __i386__
+ if (cpu_vendor_id == CPU_VENDOR_CYRIX) {
+ if (cpu == CPU_486) {
+ /*
+ * These conditions are equivalent to:
+ * - CPU does not support cpuid instruction.
+ * - Cyrix/IBM CPU is detected.
+ */
+ if (identblue() == IDENTBLUE_IBMCPU) {
+ strcpy(cpu_vendor, "IBM");
+ cpu_vendor_id = CPU_VENDOR_IBM;
+ cpu = CPU_BLUE;
+ return;
+ }
+ }
+ switch (cpu_id & 0xf00) {
+ case 0x600:
+ /*
+ * Cyrix's datasheet does not describe DIRs.
+ * Therefor, I assume it does not have them
+ * and use the result of the cpuid instruction.
+ * XXX they seem to have it for now at least. -Peter
+ */
+ identifycyrix();
+ cpu = CPU_M2;
+ break;
+ default:
+ identifycyrix();
+ /*
+ * This routine contains a trick.
+ * Don't check (cpu_id & 0x00f0) == 0x50 to detect M2, now.
+ */
+ switch (cyrix_did & 0x00f0) {
+ case 0x00:
+ case 0xf0:
+ cpu = CPU_486DLC;
+ break;
+ case 0x10:
+ cpu = CPU_CY486DX;
+ break;
+ case 0x20:
+ if ((cyrix_did & 0x000f) < 8)
+ cpu = CPU_M1;
+ else
+ cpu = CPU_M1SC;
+ break;
+ case 0x30:
+ cpu = CPU_M1;
+ break;
+ case 0x40:
+ /* MediaGX CPU */
+ cpu = CPU_M1SC;
+ break;
+ default:
+ /* M2 and later CPUs are treated as M2. */
+ cpu = CPU_M2;
+
+ /*
+ * enable cpuid instruction.
+ */
+ ccr3 = read_cyrix_reg(CCR3);
+ write_cyrix_reg(CCR3, CCR3_MAPEN0);
+ write_cyrix_reg(CCR4, read_cyrix_reg(CCR4) | CCR4_CPUID);
+ write_cyrix_reg(CCR3, ccr3);
+
+ do_cpuid(0, regs);
+ cpu_high = regs[0]; /* eax */
+ do_cpuid(1, regs);
+ cpu_id = regs[0]; /* eax */
+ cpu_feature = regs[3]; /* edx */
+ break;
+ }
+ }
+ } else if (cpu == CPU_486 && *cpu_vendor == '\0') {
+ /*
+ * There are BlueLightning CPUs that do not change
+ * undefined flags by dividing 5 by 2. In this case,
+ * the CPU identification routine in locore.s leaves
+ * cpu_vendor null string and puts CPU_486 into the
+ * cpu.
+ */
+ if (identblue() == IDENTBLUE_IBMCPU) {
+ strcpy(cpu_vendor, "IBM");
+ cpu_vendor_id = CPU_VENDOR_IBM;
+ cpu = CPU_BLUE;
+ return;
+ }
+ }
+#else
+ /* XXX */
+ cpu = CPU_CLAWHAMMER;
+#endif
+}
+
+static u_int
+find_cpu_vendor_id(void)
+{
+ int i;
+
+ for (i = 0; i < sizeof(cpu_vendors) / sizeof(cpu_vendors[0]); i++)
+ if (strcmp(cpu_vendor, cpu_vendors[i].vendor) == 0)
+ return (cpu_vendors[i].vendor_id);
+ return (0);
+}
+
+static void
+print_AMD_assoc(int i)
+{
+ if (i == 255)
+ printf(", fully associative\n");
+ else
+ printf(", %d-way associative\n", i);
+}
+
+static void
+print_AMD_l2_assoc(int i)
+{
+ switch (i & 0x0f) {
+ case 0: printf(", disabled/not present\n"); break;
+ case 1: printf(", direct mapped\n"); break;
+ case 2: printf(", 2-way associative\n"); break;
+ case 4: printf(", 4-way associative\n"); break;
+ case 6: printf(", 8-way associative\n"); break;
+ case 8: printf(", 16-way associative\n"); break;
+ case 15: printf(", fully associative\n"); break;
+ default: printf(", reserved configuration\n"); break;
+ }
+}
+
+static void
+print_AMD_info(void)
+{
+#ifdef __i386__
+ uint64_t amd_whcr;
+#endif
+ u_int regs[4];
+
+ if (cpu_exthigh >= 0x80000005) {
+ do_cpuid(0x80000005, regs);
+ printf("L1 2MB data TLB: %d entries", (regs[0] >> 16) & 0xff);
+ print_AMD_assoc(regs[0] >> 24);
+
+ printf("L1 2MB instruction TLB: %d entries", regs[0] & 0xff);
+ print_AMD_assoc((regs[0] >> 8) & 0xff);
+
+ printf("L1 4KB data TLB: %d entries", (regs[1] >> 16) & 0xff);
+ print_AMD_assoc(regs[1] >> 24);
+
+ printf("L1 4KB instruction TLB: %d entries", regs[1] & 0xff);
+ print_AMD_assoc((regs[1] >> 8) & 0xff);
+
+ printf("L1 data cache: %d kbytes", regs[2] >> 24);
+ printf(", %d bytes/line", regs[2] & 0xff);
+ printf(", %d lines/tag", (regs[2] >> 8) & 0xff);
+ print_AMD_assoc((regs[2] >> 16) & 0xff);
+
+ printf("L1 instruction cache: %d kbytes", regs[3] >> 24);
+ printf(", %d bytes/line", regs[3] & 0xff);
+ printf(", %d lines/tag", (regs[3] >> 8) & 0xff);
+ print_AMD_assoc((regs[3] >> 16) & 0xff);
+ }
+
+ if (cpu_exthigh >= 0x80000006) {
+ do_cpuid(0x80000006, regs);
+ if ((regs[0] >> 16) != 0) {
+ printf("L2 2MB data TLB: %d entries",
+ (regs[0] >> 16) & 0xfff);
+ print_AMD_l2_assoc(regs[0] >> 28);
+ printf("L2 2MB instruction TLB: %d entries",
+ regs[0] & 0xfff);
+ print_AMD_l2_assoc((regs[0] >> 28) & 0xf);
+ } else {
+ printf("L2 2MB unified TLB: %d entries",
+ regs[0] & 0xfff);
+ print_AMD_l2_assoc((regs[0] >> 28) & 0xf);
+ }
+ if ((regs[1] >> 16) != 0) {
+ printf("L2 4KB data TLB: %d entries",
+ (regs[1] >> 16) & 0xfff);
+ print_AMD_l2_assoc(regs[1] >> 28);
+
+ printf("L2 4KB instruction TLB: %d entries",
+ (regs[1] >> 16) & 0xfff);
+ print_AMD_l2_assoc((regs[1] >> 28) & 0xf);
+ } else {
+ printf("L2 4KB unified TLB: %d entries",
+ (regs[1] >> 16) & 0xfff);
+ print_AMD_l2_assoc((regs[1] >> 28) & 0xf);
+ }
+ printf("L2 unified cache: %d kbytes", regs[2] >> 16);
+ printf(", %d bytes/line", regs[2] & 0xff);
+ printf(", %d lines/tag", (regs[2] >> 8) & 0x0f);
+ print_AMD_l2_assoc((regs[2] >> 12) & 0x0f);
+ }
+
+#ifdef __i386__
+ if (((cpu_id & 0xf00) == 0x500)
+ && (((cpu_id & 0x0f0) > 0x80)
+ || (((cpu_id & 0x0f0) == 0x80)
+ && (cpu_id & 0x00f) > 0x07))) {
+ /* K6-2(new core [Stepping 8-F]), K6-III or later */
+ amd_whcr = rdmsr(0xc0000082);
+ if (!(amd_whcr & (0x3ff << 22))) {
+ printf("Write Allocate Disable\n");
+ } else {
+ printf("Write Allocate Enable Limit: %dM bytes\n",
+ (u_int32_t)((amd_whcr & (0x3ff << 22)) >> 22) * 4);
+ printf("Write Allocate 15-16M bytes: %s\n",
+ (amd_whcr & (1 << 16)) ? "Enable" : "Disable");
+ }
+ } else if (((cpu_id & 0xf00) == 0x500)
+ && ((cpu_id & 0x0f0) > 0x50)) {
+ /* K6, K6-2(old core) */
+ amd_whcr = rdmsr(0xc0000082);
+ if (!(amd_whcr & (0x7f << 1))) {
+ printf("Write Allocate Disable\n");
+ } else {
+ printf("Write Allocate Enable Limit: %dM bytes\n",
+ (u_int32_t)((amd_whcr & (0x7f << 1)) >> 1) * 4);
+ printf("Write Allocate 15-16M bytes: %s\n",
+ (amd_whcr & 0x0001) ? "Enable" : "Disable");
+ printf("Hardware Write Allocate Control: %s\n",
+ (amd_whcr & 0x0100) ? "Enable" : "Disable");
+ }
+ }
+#endif
+ /*
+ * Opteron Rev E shows a bug as in very rare occasions a read memory
+ * barrier is not performed as expected if it is followed by a
+ * non-atomic read-modify-write instruction.
+ * As long as that bug pops up very rarely (intensive machine usage
+ * on other operating systems generally generates one unexplainable
+ * crash any 2 months) and as long as a model specific fix would be
+ * impratical at this stage, print out a warning string if the broken
+ * model and family are identified.
+ */
+ if (CPUID_TO_FAMILY(cpu_id) == 0xf && CPUID_TO_MODEL(cpu_id) >= 0x20 &&
+ CPUID_TO_MODEL(cpu_id) <= 0x3f)
+ printf("WARNING: This architecture revision has known SMP "
+ "hardware bugs which may cause random instability\n");
+}
+
+static void
+print_INTEL_info(void)
+{
+ u_int regs[4];
+ u_int rounds, regnum;
+ u_int nwaycode, nway;
+
+ if (cpu_high >= 2) {
+ rounds = 0;
+ do {
+ do_cpuid(0x2, regs);
+ if (rounds == 0 && (rounds = (regs[0] & 0xff)) == 0)
+ break; /* we have a buggy CPU */
+
+ for (regnum = 0; regnum <= 3; ++regnum) {
+ if (regs[regnum] & (1<<31))
+ continue;
+ if (regnum != 0)
+ print_INTEL_TLB(regs[regnum] & 0xff);
+ print_INTEL_TLB((regs[regnum] >> 8) & 0xff);
+ print_INTEL_TLB((regs[regnum] >> 16) & 0xff);
+ print_INTEL_TLB((regs[regnum] >> 24) & 0xff);
+ }
+ } while (--rounds > 0);
+ }
+
+ if (cpu_exthigh >= 0x80000006) {
+ do_cpuid(0x80000006, regs);
+ nwaycode = (regs[2] >> 12) & 0x0f;
+ if (nwaycode >= 0x02 && nwaycode <= 0x08)
+ nway = 1 << (nwaycode / 2);
+ else
+ nway = 0;
+ printf("L2 cache: %u kbytes, %u-way associative, %u bytes/line\n",
+ (regs[2] >> 16) & 0xffff, nway, regs[2] & 0xff);
+ }
+}
+
+static void
+print_INTEL_TLB(u_int data)
+{
+ switch (data) {
+ case 0x0:
+ case 0x40:
+ default:
+ break;
+ case 0x1:
+ printf("Instruction TLB: 4 KB pages, 4-way set associative, 32 entries\n");
+ break;
+ case 0x2:
+ printf("Instruction TLB: 4 MB pages, fully associative, 2 entries\n");
+ break;
+ case 0x3:
+ printf("Data TLB: 4 KB pages, 4-way set associative, 64 entries\n");
+ break;
+ case 0x4:
+ printf("Data TLB: 4 MB Pages, 4-way set associative, 8 entries\n");
+ break;
+ case 0x6:
+ printf("1st-level instruction cache: 8 KB, 4-way set associative, 32 byte line size\n");
+ break;
+ case 0x8:
+ printf("1st-level instruction cache: 16 KB, 4-way set associative, 32 byte line size\n");
+ break;
+ case 0xa:
+ printf("1st-level data cache: 8 KB, 2-way set associative, 32 byte line size\n");
+ break;
+ case 0xc:
+ printf("1st-level data cache: 16 KB, 4-way set associative, 32 byte line size\n");
+ break;
+ case 0x22:
+ printf("3rd-level cache: 512 KB, 4-way set associative, sectored cache, 64 byte line size\n");
+ break;
+ case 0x23:
+ printf("3rd-level cache: 1 MB, 8-way set associative, sectored cache, 64 byte line size\n");
+ break;
+ case 0x25:
+ printf("3rd-level cache: 2 MB, 8-way set associative, sectored cache, 64 byte line size\n");
+ break;
+ case 0x29:
+ printf("3rd-level cache: 4 MB, 8-way set associative, sectored cache, 64 byte line size\n");
+ break;
+ case 0x2c:
+ printf("1st-level data cache: 32 KB, 8-way set associative, 64 byte line size\n");
+ break;
+ case 0x30:
+ printf("1st-level instruction cache: 32 KB, 8-way set associative, 64 byte line size\n");
+ break;
+ case 0x39:
+ printf("2nd-level cache: 128 KB, 4-way set associative, sectored cache, 64 byte line size\n");
+ break;
+ case 0x3b:
+ printf("2nd-level cache: 128 KB, 2-way set associative, sectored cache, 64 byte line size\n");
+ break;
+ case 0x3c:
+ printf("2nd-level cache: 256 KB, 4-way set associative, sectored cache, 64 byte line size\n");
+ break;
+ case 0x41:
+ printf("2nd-level cache: 128 KB, 4-way set associative, 32 byte line size\n");
+ break;
+ case 0x42:
+ printf("2nd-level cache: 256 KB, 4-way set associative, 32 byte line size\n");
+ break;
+ case 0x43:
+ printf("2nd-level cache: 512 KB, 4-way set associative, 32 byte line size\n");
+ break;
+ case 0x44:
+ printf("2nd-level cache: 1 MB, 4-way set associative, 32 byte line size\n");
+ break;
+ case 0x45:
+ printf("2nd-level cache: 2 MB, 4-way set associative, 32 byte line size\n");
+ break;
+ case 0x46:
+ printf("3rd-level cache: 4 MB, 4-way set associative, 64 byte line size\n");
+ break;
+ case 0x47:
+ printf("3rd-level cache: 8 MB, 8-way set associative, 64 byte line size\n");
+ break;
+ case 0x50:
+ printf("Instruction TLB: 4 KB, 2 MB or 4 MB pages, fully associative, 64 entries\n");
+ break;
+ case 0x51:
+ printf("Instruction TLB: 4 KB, 2 MB or 4 MB pages, fully associative, 128 entries\n");
+ break;
+ case 0x52:
+ printf("Instruction TLB: 4 KB, 2 MB or 4 MB pages, fully associative, 256 entries\n");
+ break;
+ case 0x5b:
+ printf("Data TLB: 4 KB or 4 MB pages, fully associative, 64 entries\n");
+ break;
+ case 0x5c:
+ printf("Data TLB: 4 KB or 4 MB pages, fully associative, 128 entries\n");
+ break;
+ case 0x5d:
+ printf("Data TLB: 4 KB or 4 MB pages, fully associative, 256 entries\n");
+ break;
+ case 0x60:
+ printf("1st-level data cache: 16 KB, 8-way set associative, sectored cache, 64 byte line size\n");
+ break;
+ case 0x66:
+ printf("1st-level data cache: 8 KB, 4-way set associative, sectored cache, 64 byte line size\n");
+ break;
+ case 0x67:
+ printf("1st-level data cache: 16 KB, 4-way set associative, sectored cache, 64 byte line size\n");
+ break;
+ case 0x68:
+ printf("1st-level data cache: 32 KB, 4 way set associative, sectored cache, 64 byte line size\n");
+ break;
+ case 0x70:
+ printf("Trace cache: 12K-uops, 8-way set associative\n");
+ break;
+ case 0x71:
+ printf("Trace cache: 16K-uops, 8-way set associative\n");
+ break;
+ case 0x72:
+ printf("Trace cache: 32K-uops, 8-way set associative\n");
+ break;
+ case 0x78:
+ printf("2nd-level cache: 1 MB, 4-way set associative, 64-byte line size\n");
+ break;
+ case 0x79:
+ printf("2nd-level cache: 128 KB, 8-way set associative, sectored cache, 64 byte line size\n");
+ break;
+ case 0x7a:
+ printf("2nd-level cache: 256 KB, 8-way set associative, sectored cache, 64 byte line size\n");
+ break;
+ case 0x7b:
+ printf("2nd-level cache: 512 KB, 8-way set associative, sectored cache, 64 byte line size\n");
+ break;
+ case 0x7c:
+ printf("2nd-level cache: 1 MB, 8-way set associative, sectored cache, 64 byte line size\n");
+ break;
+ case 0x7d:
+ printf("2nd-level cache: 2-MB, 8-way set associative, 64-byte line size\n");
+ break;
+ case 0x7f:
+ printf("2nd-level cache: 512-KB, 2-way set associative, 64-byte line size\n");
+ break;
+ case 0x82:
+ printf("2nd-level cache: 256 KB, 8-way set associative, 32 byte line size\n");
+ break;
+ case 0x83:
+ printf("2nd-level cache: 512 KB, 8-way set associative, 32 byte line size\n");
+ break;
+ case 0x84:
+ printf("2nd-level cache: 1 MB, 8-way set associative, 32 byte line size\n");
+ break;
+ case 0x85:
+ printf("2nd-level cache: 2 MB, 8-way set associative, 32 byte line size\n");
+ break;
+ case 0x86:
+ printf("2nd-level cache: 512 KB, 4-way set associative, 64 byte line size\n");
+ break;
+ case 0x87:
+ printf("2nd-level cache: 1 MB, 8-way set associative, 64 byte line size\n");
+ break;
+ case 0xb0:
+ printf("Instruction TLB: 4 KB Pages, 4-way set associative, 128 entries\n");
+ break;
+ case 0xb3:
+ printf("Data TLB: 4 KB Pages, 4-way set associative, 128 entries\n");
+ break;
+ }
+}
+
+#ifdef __i386__
+static void
+print_transmeta_info(void)
+{
+ u_int regs[4], nreg = 0;
+
+ do_cpuid(0x80860000, regs);
+ nreg = regs[0];
+ if (nreg >= 0x80860001) {
+ do_cpuid(0x80860001, regs);
+ printf(" Processor revision %u.%u.%u.%u\n",
+ (regs[1] >> 24) & 0xff,
+ (regs[1] >> 16) & 0xff,
+ (regs[1] >> 8) & 0xff,
+ regs[1] & 0xff);
+ }
+ if (nreg >= 0x80860002) {
+ do_cpuid(0x80860002, regs);
+ printf(" Code Morphing Software revision %u.%u.%u-%u-%u\n",
+ (regs[1] >> 24) & 0xff,
+ (regs[1] >> 16) & 0xff,
+ (regs[1] >> 8) & 0xff,
+ regs[1] & 0xff,
+ regs[2]);
+ }
+ if (nreg >= 0x80860006) {
+ char info[65];
+ do_cpuid(0x80860003, (u_int*) &info[0]);
+ do_cpuid(0x80860004, (u_int*) &info[16]);
+ do_cpuid(0x80860005, (u_int*) &info[32]);
+ do_cpuid(0x80860006, (u_int*) &info[48]);
+ info[64] = 0;
+ printf(" %s\n", info);
+ }
+}
+#endif
+
+static void
+print_via_padlock_info(void)
+{
+ u_int regs[4];
+
+ do_cpuid(0xc0000001, regs);
+ printf("\n VIA Padlock Features=0x%b", regs[3],
+ "\020"
+ "\003RNG" /* RNG */
+ "\007AES" /* ACE */
+ "\011AES-CTR" /* ACE2 */
+ "\013SHA1,SHA256" /* PHE */
+ "\015RSA" /* PMM */
+ );
+}
+
+static uint32_t
+vmx_settable(uint64_t basic, int msr, int true_msr)
+{
+ uint64_t val;
+
+ if (basic & (1ULL << 55))
+ val = rdmsr(true_msr);
+ else
+ val = rdmsr(msr);
+
+ /* Just report the controls that can be set to 1. */
+ return (val >> 32);
+}
+
+static void
+print_vmx_info(void)
+{
+ uint64_t basic, msr;
+ uint32_t entry, exit, mask, pin, proc, proc2;
+ int comma;
+
+ printf("\n VT-x: ");
+ msr = rdmsr(MSR_IA32_FEATURE_CONTROL);
+ if (!(msr & IA32_FEATURE_CONTROL_VMX_EN))
+ printf("(disabled in BIOS) ");
+ basic = rdmsr(MSR_VMX_BASIC);
+ pin = vmx_settable(basic, MSR_VMX_PINBASED_CTLS,
+ MSR_VMX_TRUE_PINBASED_CTLS);
+ proc = vmx_settable(basic, MSR_VMX_PROCBASED_CTLS,
+ MSR_VMX_TRUE_PROCBASED_CTLS);
+ if (proc & PROCBASED_SECONDARY_CONTROLS)
+ proc2 = vmx_settable(basic, MSR_VMX_PROCBASED_CTLS2,
+ MSR_VMX_PROCBASED_CTLS2);
+ else
+ proc2 = 0;
+ exit = vmx_settable(basic, MSR_VMX_EXIT_CTLS, MSR_VMX_TRUE_EXIT_CTLS);
+ entry = vmx_settable(basic, MSR_VMX_ENTRY_CTLS, MSR_VMX_TRUE_ENTRY_CTLS);
+
+ if (!bootverbose) {
+ comma = 0;
+ if (exit & VM_EXIT_SAVE_PAT && exit & VM_EXIT_LOAD_PAT &&
+ entry & VM_ENTRY_LOAD_PAT) {
+ printf("%sPAT", comma ? "," : "");
+ comma = 1;
+ }
+ if (proc & PROCBASED_HLT_EXITING) {
+ printf("%sHLT", comma ? "," : "");
+ comma = 1;
+ }
+ if (proc & PROCBASED_MTF) {
+ printf("%sMTF", comma ? "," : "");
+ comma = 1;
+ }
+ if (proc & PROCBASED_PAUSE_EXITING) {
+ printf("%sPAUSE", comma ? "," : "");
+ comma = 1;
+ }
+ if (proc2 & PROCBASED2_ENABLE_EPT) {
+ printf("%sEPT", comma ? "," : "");
+ comma = 1;
+ }
+ if (proc2 & PROCBASED2_UNRESTRICTED_GUEST) {
+ printf("%sUG", comma ? "," : "");
+ comma = 1;
+ }
+ if (proc2 & PROCBASED2_ENABLE_VPID) {
+ printf("%sVPID", comma ? "," : "");
+ comma = 1;
+ }
+ if (proc & PROCBASED_USE_TPR_SHADOW &&
+ proc2 & PROCBASED2_VIRTUALIZE_APIC_ACCESSES &&
+ proc2 & PROCBASED2_VIRTUALIZE_X2APIC_MODE &&
+ proc2 & PROCBASED2_APIC_REGISTER_VIRTUALIZATION &&
+ proc2 & PROCBASED2_VIRTUAL_INTERRUPT_DELIVERY) {
+ printf("%sVID", comma ? "," : "");
+ comma = 1;
+ if (pin & PINBASED_POSTED_INTERRUPT)
+ printf(",PostIntr");
+ }
+ return;
+ }
+
+ mask = basic >> 32;
+ printf("Basic Features=0x%b", mask,
+ "\020"
+ "\02132PA" /* 32-bit physical addresses */
+ "\022SMM" /* SMM dual-monitor */
+ "\027INS/OUTS" /* VM-exit info for INS and OUTS */
+ "\030TRUE" /* TRUE_CTLS MSRs */
+ );
+ printf("\n Pin-Based Controls=0x%b", pin,
+ "\020"
+ "\001ExtINT" /* External-interrupt exiting */
+ "\004NMI" /* NMI exiting */
+ "\006VNMI" /* Virtual NMIs */
+ "\007PreTmr" /* Activate VMX-preemption timer */
+ "\010PostIntr" /* Process posted interrupts */
+ );
+ printf("\n Primary Processor Controls=0x%b", proc,
+ "\020"
+ "\003INTWIN" /* Interrupt-window exiting */
+ "\004TSCOff" /* Use TSC offsetting */
+ "\010HLT" /* HLT exiting */
+ "\012INVLPG" /* INVLPG exiting */
+ "\013MWAIT" /* MWAIT exiting */
+ "\014RDPMC" /* RDPMC exiting */
+ "\015RDTSC" /* RDTSC exiting */
+ "\020CR3-LD" /* CR3-load exiting */
+ "\021CR3-ST" /* CR3-store exiting */
+ "\024CR8-LD" /* CR8-load exiting */
+ "\025CR8-ST" /* CR8-store exiting */
+ "\026TPR" /* Use TPR shadow */
+ "\027NMIWIN" /* NMI-window exiting */
+ "\030MOV-DR" /* MOV-DR exiting */
+ "\031IO" /* Unconditional I/O exiting */
+ "\032IOmap" /* Use I/O bitmaps */
+ "\034MTF" /* Monitor trap flag */
+ "\035MSRmap" /* Use MSR bitmaps */
+ "\036MONITOR" /* MONITOR exiting */
+ "\037PAUSE" /* PAUSE exiting */
+ );
+ if (proc & PROCBASED_SECONDARY_CONTROLS)
+ printf("\n Secondary Processor Controls=0x%b", proc2,
+ "\020"
+ "\001APIC" /* Virtualize APIC accesses */
+ "\002EPT" /* Enable EPT */
+ "\003DT" /* Descriptor-table exiting */
+ "\004RDTSCP" /* Enable RDTSCP */
+ "\005x2APIC" /* Virtualize x2APIC mode */
+ "\006VPID" /* Enable VPID */
+ "\007WBINVD" /* WBINVD exiting */
+ "\010UG" /* Unrestricted guest */
+ "\011APIC-reg" /* APIC-register virtualization */
+ "\012VID" /* Virtual-interrupt delivery */
+ "\013PAUSE-loop" /* PAUSE-loop exiting */
+ "\014RDRAND" /* RDRAND exiting */
+ "\015INVPCID" /* Enable INVPCID */
+ "\016VMFUNC" /* Enable VM functions */
+ "\017VMCS" /* VMCS shadowing */
+ "\020EPT#VE" /* EPT-violation #VE */
+ "\021XSAVES" /* Enable XSAVES/XRSTORS */
+ );
+ printf("\n Exit Controls=0x%b", mask,
+ "\020"
+ "\003DR" /* Save debug controls */
+ /* Ignore Host address-space size */
+ "\015PERF" /* Load MSR_PERF_GLOBAL_CTRL */
+ "\020AckInt" /* Acknowledge interrupt on exit */
+ "\023PAT-SV" /* Save MSR_PAT */
+ "\024PAT-LD" /* Load MSR_PAT */
+ "\025EFER-SV" /* Save MSR_EFER */
+ "\026EFER-LD" /* Load MSR_EFER */
+ "\027PTMR-SV" /* Save VMX-preemption timer value */
+ );
+ printf("\n Entry Controls=0x%b", mask,
+ "\020"
+ "\003DR" /* Save debug controls */
+ /* Ignore IA-32e mode guest */
+ /* Ignore Entry to SMM */
+ /* Ignore Deactivate dual-monitor treatment */
+ "\016PERF" /* Load MSR_PERF_GLOBAL_CTRL */
+ "\017PAT" /* Load MSR_PAT */
+ "\020EFER" /* Load MSR_EFER */
+ );
+ if (proc & PROCBASED_SECONDARY_CONTROLS &&
+ (proc2 & (PROCBASED2_ENABLE_EPT | PROCBASED2_ENABLE_VPID)) != 0) {
+ msr = rdmsr(MSR_VMX_EPT_VPID_CAP);
+ mask = msr;
+ printf("\n EPT Features=0x%b", mask,
+ "\020"
+ "\001XO" /* Execute-only translations */
+ "\007PW4" /* Page-walk length of 4 */
+ "\011UC" /* EPT paging-structure mem can be UC */
+ "\017WB" /* EPT paging-structure mem can be WB */
+ "\0212M" /* EPT PDE can map a 2-Mbyte page */
+ "\0221G" /* EPT PDPTE can map a 1-Gbyte page */
+ "\025INVEPT" /* INVEPT is supported */
+ "\026AD" /* Accessed and dirty flags for EPT */
+ "\032single" /* INVEPT single-context type */
+ "\033all" /* INVEPT all-context type */
+ );
+ mask = msr >> 32;
+ printf("\n VPID Features=0x%b", mask,
+ "\020"
+ "\001INVVPID" /* INVVPID is supported */
+ "\011individual" /* INVVPID individual-address type */
+ "\012single" /* INVVPID single-context type */
+ "\013all" /* INVVPID all-context type */
+ /* INVVPID single-context-retaining-globals type */
+ "\014single-globals"
+ );
+ }
+}
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