/* * inteltool - dump all registers on an Intel CPU + chipset based system. * * Copyright (C) 2008-2010 by coresystems GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <fcntl.h> #include <unistd.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <errno.h> #include "viatool.h" #ifdef __x86_64__ # define BREG "%%rbx" #else # define BREG "%%ebx" #endif int fd_msr; unsigned int cpuid(unsigned int op) { uint32_t ret; #if defined(__PIC__) || defined(__DARWIN__) && !defined(__LP64__) asm volatile ( "push " BREG "\n\t" "cpuid\n\t" "pop " BREG "\n\t" : "=a" (ret) : "a" (op) : "%ecx", "%edx" ); #else asm ("cpuid" : "=a" (ret) : "a" (op) : "%ebx", "%ecx", "%edx"); #endif return ret; } #ifndef __DARWIN__ int msr_readerror = 0; msr_t rdmsr(int addr) { uint32_t buf[2]; msr_t msr = { 0xffffffff, 0xffffffff }; if (lseek(fd_msr, (off_t) addr, SEEK_SET) == -1) { perror("Could not lseek() to MSR"); close(fd_msr); exit(1); } if (read(fd_msr, buf, 8) == 8) { msr.lo = buf[0]; msr.hi = buf[1]; return msr; } if (errno == 5) { printf(" (*)"); // Not all bits of the MSR could be read msr_readerror = 1; } else { // A severe error. perror("Could not read() MSR"); close(fd_msr); exit(1); } return msr; } #endif int print_intel_core_msrs(void) { unsigned int i, core, id; msr_t msr; #define IA32_PLATFORM_ID 0x0017 #define EBL_CR_POWERON 0x002a #define FSB_CLK_STS 0x00cd #define IA32_TIME_STAMP_COUNTER 0x0010 #define IA32_APIC_BASE 0x001b typedef struct { int number; char *name; } msr_entry_t; /* Pentium III */ static const msr_entry_t model67x_global_msrs[] = { { 0x0000, "IA32_P5_MC_ADDR" }, { 0x0001, "IA32_P5_MC_TYPE" }, { 0x0010, "IA32_TIME_STAMP_COUNTER" }, { 0x0017, "IA32_PLATFORM_ID" }, { 0x001b, "IA32_APIC_BASE" }, { 0x002a, "EBL_CR_POWERON" }, { 0x0033, "TEST_CTL" }, //{ 0x0079, "IA32_BIOS_UPDT_TRIG" }, // Seems to be RO { 0x0088, "BBL_CR_D0" }, { 0x0089, "BBL_CR_D1" }, { 0x008a, "BBL_CR_D2" }, { 0x008b, "IA32_BIOS_SIGN_ID" }, { 0x00c1, "PERFCTR0" }, { 0x00c2, "PERFCTR1" }, { 0x00fe, "IA32_MTRRCAP" }, { 0x0116, "BBL_CR_ADDR" }, { 0x0118, "BBL_CR_DECC" }, { 0x0119, "BBL_CR_CTL" }, //{ 0x011a, "BBL_CR_TRIG" }, { 0x011b, "BBL_CR_BUSY" }, { 0x011e, "BBL_CR_CTL3" }, { 0x0174, "IA32_SYSENTER_CS" }, { 0x0175, "IA32_SYSENTER_ESP" }, { 0x0176, "IA32_SYSENTER_EIP" }, { 0x0179, "IA32_MCG_CAP" }, { 0x017a, "IA32_MCG_STATUS" }, { 0x017b, "IA32_MCG_CTL" }, { 0x0186, "IA32_PERF_EVNTSEL0" }, { 0x0187, "IA32_PERF_EVNTSEL1" }, { 0x01d9, "IA32_DEBUGCTL" }, { 0x01db, "MSR_LASTBRANCHFROMIP" }, { 0x01dc, "MSR_LASTBRANCHTOIP" }, { 0x01dd, "MSR_LASTINTFROMIP" }, { 0x01de, "MSR_LASTINTTOIP" }, { 0x01e0, "MSR_ROB_CR_BKUPTMPDR6" }, { 0x0200, "IA32_MTRR_PHYSBASE0" }, { 0x0201, "IA32_MTRR_PHYSMASK0" }, { 0x0202, "IA32_MTRR_PHYSBASE1" }, { 0x0203, "IA32_MTRR_PHYSMASK1" }, { 0x0204, "IA32_MTRR_PHYSBASE2" }, { 0x0205, "IA32_MTRR_PHYSMASK2" }, { 0x0206, "IA32_MTRR_PHYSBASE3" }, { 0x0207, "IA32_MTRR_PHYSMASK3" }, { 0x0208, "IA32_MTRR_PHYSBASE4" }, { 0x0209, "IA32_MTRR_PHYSMASK4" }, { 0x020a, "IA32_MTRR_PHYSBASE5" }, { 0x020b, "IA32_MTRR_PHYSMASK5" }, { 0x020c, "IA32_MTRR_PHYSBASE6" }, { 0x020d, "IA32_MTRR_PHYSMASK6" }, { 0x020e, "IA32_MTRR_PHYSBASE7" }, { 0x020f, "IA32_MTRR_PHYSMASK7" }, { 0x0250, "IA32_MTRR_FIX64K_00000" }, { 0x0258, "IA32_MTRR_FIX16K_80000" }, { 0x0259, "IA32_MTRR_FIX16K_A0000" }, { 0x0268, "IA32_MTRR_FIX4K_C0000" }, { 0x0269, "IA32_MTRR_FIX4K_C8000" }, { 0x026a, "IA32_MTRR_FIX4K_D0000" }, { 0x026b, "IA32_MTRR_FIX4K_D8000" }, { 0x026c, "IA32_MTRR_FIX4K_E0000" }, { 0x026d, "IA32_MTRR_FIX4K_E8000" }, { 0x026e, "IA32_MTRR_FIX4K_F0000" }, { 0x026f, "IA32_MTRR_FIX4K_F8000" }, { 0x02ff, "IA32_MTRR_DEF_TYPE" }, { 0x0400, "IA32_MC0_CTL" }, { 0x0401, "IA32_MC0_STATUS" }, { 0x0402, "IA32_MC0_ADDR" }, //{ 0x0403, "IA32_MC0_MISC" }, // Seems to be RO { 0x0404, "IA32_MC1_CTL" }, { 0x0405, "IA32_MC1_STATUS" }, { 0x0406, "IA32_MC1_ADDR" }, //{ 0x0407, "IA32_MC1_MISC" }, // Seems to be RO { 0x0408, "IA32_MC2_CTL" }, { 0x0409, "IA32_MC2_STATUS" }, { 0x040a, "IA32_MC2_ADDR" }, //{ 0x040b, "IA32_MC2_MISC" }, // Seems to be RO { 0x040c, "IA32_MC4_CTL" }, { 0x040d, "IA32_MC4_STATUS" }, { 0x040e, "IA32_MC4_ADDR" }, //{ 0x040f, "IA32_MC4_MISC" } // Seems to be RO { 0x0410, "IA32_MC3_CTL" }, { 0x0411, "IA32_MC3_STATUS" }, { 0x0412, "IA32_MC3_ADDR" }, //{ 0x0413, "IA32_MC3_MISC" }, // Seems to be RO }; static const msr_entry_t model6bx_global_msrs[] = { { 0x0010, "IA32_TIME_STAMP_COUNTER" }, { 0x0017, "IA32_PLATFORM_ID" }, { 0x001b, "IA32_APIC_BASE" }, { 0x002a, "EBL_CR_POWERON" }, { 0x0033, "TEST_CTL" }, { 0x003f, "THERM_DIODE_OFFSET" }, //{ 0x0079, "IA32_BIOS_UPDT_TRIG" }, // Seems to be RO { 0x008b, "IA32_BIOS_SIGN_ID" }, { 0x00c1, "PERFCTR0" }, { 0x00c2, "PERFCTR1" }, { 0x011e, "BBL_CR_CTL3" }, { 0x0179, "IA32_MCG_CAP" }, { 0x017a, "IA32_MCG_STATUS" }, { 0x0198, "IA32_PERF_STATUS" }, { 0x0199, "IA32_PERF_CONTROL" }, { 0x019a, "IA32_CLOCK_MODULATION" }, { 0x01a0, "IA32_MISC_ENABLES" }, { 0x01d9, "IA32_DEBUGCTL" }, { 0x0200, "IA32_MTRR_PHYSBASE0" }, { 0x0201, "IA32_MTRR_PHYSMASK0" }, { 0x0202, "IA32_MTRR_PHYSBASE1" }, { 0x0203, "IA32_MTRR_PHYSMASK1" }, { 0x0204, "IA32_MTRR_PHYSBASE2" }, { 0x0205, "IA32_MTRR_PHYSMASK2" }, { 0x0206, "IA32_MTRR_PHYSBASE3" }, { 0x0207, "IA32_MTRR_PHYSMASK3" }, { 0x0208, "IA32_MTRR_PHYSBASE4" }, { 0x0209, "IA32_MTRR_PHYSMASK4" }, { 0x020a, "IA32_MTRR_PHYSBASE5" }, { 0x020b, "IA32_MTRR_PHYSMASK5" }, { 0x020c, "IA32_MTRR_PHYSBASE6" }, { 0x020d, "IA32_MTRR_PHYSMASK6" }, { 0x020e, "IA32_MTRR_PHYSBASE7" }, { 0x020f, "IA32_MTRR_PHYSMASK7" }, { 0x0250, "IA32_MTRR_FIX64K_00000" }, { 0x0258, "IA32_MTRR_FIX16K_80000" }, { 0x0259, "IA32_MTRR_FIX16K_A0000" }, { 0x0268, "IA32_MTRR_FIX4K_C0000" }, { 0x0269, "IA32_MTRR_FIX4K_C8000" }, { 0x026a, "IA32_MTRR_FIX4K_D0000" }, { 0x026b, "IA32_MTRR_FIX4K_D8000" }, { 0x026c, "IA32_MTRR_FIX4K_E0000" }, { 0x026d, "IA32_MTRR_FIX4K_E8000" }, { 0x026e, "IA32_MTRR_FIX4K_F0000" }, { 0x026f, "IA32_MTRR_FIX4K_F8000" }, { 0x02ff, "IA32_MTRR_DEF_TYPE" }, { 0x0400, "IA32_MC0_CTL" }, { 0x0401, "IA32_MC0_STATUS" }, { 0x0402, "IA32_MC0_ADDR" }, //{ 0x0403, "IA32_MC0_MISC" }, // Seems to be RO { 0x040c, "IA32_MC4_CTL" }, { 0x040d, "IA32_MC4_STATUS" }, { 0x040e, "IA32_MC4_ADDR" }, //{ 0x040f, "IA32_MC4_MISC" } // Seems to be RO }; static const msr_entry_t model6ex_global_msrs[] = { { 0x0017, "IA32_PLATFORM_ID" }, { 0x002a, "EBL_CR_POWERON" }, { 0x00cd, "FSB_CLOCK_STS" }, { 0x00ce, "FSB_CLOCK_VCC" }, { 0x00e2, "CLOCK_CST_CONFIG_CONTROL" }, { 0x00e3, "PMG_IO_BASE_ADDR" }, { 0x00e4, "PMG_IO_CAPTURE_ADDR" }, { 0x00ee, "EXT_CONFIG" }, { 0x011e, "BBL_CR_CTL3" }, { 0x0194, "CLOCK_FLEX_MAX" }, { 0x0198, "IA32_PERF_STATUS" }, { 0x01a0, "IA32_MISC_ENABLES" }, { 0x01aa, "PIC_SENS_CFG" }, { 0x0400, "IA32_MC0_CTL" }, { 0x0401, "IA32_MC0_STATUS" }, { 0x0402, "IA32_MC0_ADDR" }, //{ 0x0403, "IA32_MC0_MISC" }, // Seems to be RO { 0x040c, "IA32_MC4_CTL" }, { 0x040d, "IA32_MC4_STATUS" }, { 0x040e, "IA32_MC4_ADDR" }, //{ 0x040f, "IA32_MC4_MISC" } // Seems to be RO }; static const msr_entry_t model6ex_per_core_msrs[] = { { 0x0010, "IA32_TIME_STAMP_COUNTER" }, { 0x001b, "IA32_APIC_BASE" }, { 0x003a, "IA32_FEATURE_CONTROL" }, { 0x003f, "IA32_TEMPERATURE_OFFSET" }, //{ 0x0079, "IA32_BIOS_UPDT_TRIG" }, // Seems to be RO { 0x008b, "IA32_BIOS_SIGN_ID" }, { 0x00e7, "IA32_MPERF" }, { 0x00e8, "IA32_APERF" }, { 0x00fe, "IA32_MTRRCAP" }, { 0x015f, "DTS_CAL_CTRL" }, { 0x0179, "IA32_MCG_CAP" }, { 0x017a, "IA32_MCG_STATUS" }, { 0x0199, "IA32_PERF_CONTROL" }, { 0x019a, "IA32_CLOCK_MODULATION" }, { 0x019b, "IA32_THERM_INTERRUPT" }, { 0x019c, "IA32_THERM_STATUS" }, { 0x019d, "GV_THERM" }, { 0x01d9, "IA32_DEBUGCTL" }, { 0x0200, "IA32_MTRR_PHYSBASE0" }, { 0x0201, "IA32_MTRR_PHYSMASK0" }, { 0x0202, "IA32_MTRR_PHYSBASE1" }, { 0x0203, "IA32_MTRR_PHYSMASK1" }, { 0x0204, "IA32_MTRR_PHYSBASE2" }, { 0x0205, "IA32_MTRR_PHYSMASK2" }, { 0x0206, "IA32_MTRR_PHYSBASE3" }, { 0x0207, "IA32_MTRR_PHYSMASK3" }, { 0x0208, "IA32_MTRR_PHYSBASE4" }, { 0x0209, "IA32_MTRR_PHYSMASK4" }, { 0x020a, "IA32_MTRR_PHYSBASE5" }, { 0x020b, "IA32_MTRR_PHYSMASK5" }, { 0x020c, "IA32_MTRR_PHYSBASE6" }, { 0x020d, "IA32_MTRR_PHYSMASK6" }, { 0x020e, "IA32_MTRR_PHYSBASE7" }, { 0x020f, "IA32_MTRR_PHYSMASK7" }, { 0x0250, "IA32_MTRR_FIX64K_00000" }, { 0x0258, "IA32_MTRR_FIX16K_80000" }, { 0x0259, "IA32_MTRR_FIX16K_A0000" }, { 0x0268, "IA32_MTRR_FIX4K_C0000" }, { 0x0269, "IA32_MTRR_FIX4K_C8000" }, { 0x026a, "IA32_MTRR_FIX4K_D0000" }, { 0x026b, "IA32_MTRR_FIX4K_D8000" }, { 0x026c, "IA32_MTRR_FIX4K_E0000" }, { 0x026d, "IA32_MTRR_FIX4K_E8000" }, { 0x026e, "IA32_MTRR_FIX4K_F0000" }, { 0x026f, "IA32_MTRR_FIX4K_F8000" }, { 0x02ff, "IA32_MTRR_DEF_TYPE" }, //{ 0x00c000080, "IA32_CR_EFER" }, // Seems to be RO }; static const msr_entry_t model6fx_global_msrs[] = { { 0x0017, "IA32_PLATFORM_ID" }, { 0x002a, "EBL_CR_POWERON" }, { 0x003f, "IA32_TEMPERATURE_OFFSET" }, { 0x00a8, "EMTTM_CR_TABLE0" }, { 0x00a9, "EMTTM_CR_TABLE1" }, { 0x00aa, "EMTTM_CR_TABLE2" }, { 0x00ab, "EMTTM_CR_TABLE3" }, { 0x00ac, "EMTTM_CR_TABLE4" }, { 0x00ad, "EMTTM_CR_TABLE5" }, { 0x00cd, "FSB_CLOCK_STS" }, { 0x00e2, "PMG_CST_CONFIG_CONTROL" }, { 0x00e3, "PMG_IO_BASE_ADDR" }, { 0x00e4, "PMG_IO_CAPTURE_ADDR" }, { 0x00ee, "EXT_CONFIG" }, { 0x011e, "BBL_CR_CTL3" }, { 0x0194, "CLOCK_FLEX_MAX" }, { 0x0198, "IA32_PERF_STATUS" }, { 0x01a0, "IA32_MISC_ENABLES" }, { 0x01aa, "PIC_SENS_CFG" }, { 0x0400, "IA32_MC0_CTL" }, { 0x0401, "IA32_MC0_STATUS" }, { 0x0402, "IA32_MC0_ADDR" }, //{ 0x0403, "IA32_MC0_MISC" }, // Seems to be RO { 0x040c, "IA32_MC4_CTL" }, { 0x040d, "IA32_MC4_STATUS" }, { 0x040e, "IA32_MC4_ADDR" }, //{ 0x040f, "IA32_MC4_MISC" } // Seems to be RO }; static const msr_entry_t model6fx_per_core_msrs[] = { { 0x0010, "IA32_TIME_STAMP_COUNTER" }, { 0x001b, "IA32_APIC_BASE" }, { 0x003a, "IA32_FEATURE_CONTROL" }, //{ 0x0079, "IA32_BIOS_UPDT_TRIG" }, // Seems to be RO { 0x008b, "IA32_BIOS_SIGN_ID" }, { 0x00e1, "SMM_CST_MISC_INFO" }, { 0x00e7, "IA32_MPERF" }, { 0x00e8, "IA32_APERF" }, { 0x00fe, "IA32_MTRRCAP" }, { 0x0179, "IA32_MCG_CAP" }, { 0x017a, "IA32_MCG_STATUS" }, { 0x0199, "IA32_PERF_CONTROL" }, { 0x019a, "IA32_THERM_CTL" }, { 0x019b, "IA32_THERM_INTERRUPT" }, { 0x019c, "IA32_THERM_STATUS" }, { 0x019d, "MSR_THERM2_CTL" }, { 0x01d9, "IA32_DEBUGCTL" }, { 0x0200, "IA32_MTRR_PHYSBASE0" }, { 0x0201, "IA32_MTRR_PHYSMASK0" }, { 0x0202, "IA32_MTRR_PHYSBASE1" }, { 0x0203, "IA32_MTRR_PHYSMASK1" }, { 0x0204, "IA32_MTRR_PHYSBASE2" }, { 0x0205, "IA32_MTRR_PHYSMASK2" }, { 0x0206, "IA32_MTRR_PHYSBASE3" }, { 0x0207, "IA32_MTRR_PHYSMASK3" }, { 0x0208, "IA32_MTRR_PHYSBASE4" }, { 0x0209, "IA32_MTRR_PHYSMASK4" }, { 0x020a, "IA32_MTRR_PHYSBASE5" }, { 0x020b, "IA32_MTRR_PHYSMASK5" }, { 0x020c, "IA32_MTRR_PHYSBASE6" }, { 0x020d, "IA32_MTRR_PHYSMASK6" }, { 0x020e, "IA32_MTRR_PHYSBASE7" }, { 0x020f, "IA32_MTRR_PHYSMASK7" }, { 0x0250, "IA32_MTRR_FIX64K_00000" }, { 0x0258, "IA32_MTRR_FIX16K_80000" }, { 0x0259, "IA32_MTRR_FIX16K_A0000" }, { 0x0268, "IA32_MTRR_FIX4K_C0000" }, { 0x0269, "IA32_MTRR_FIX4K_C8000" }, { 0x026a, "IA32_MTRR_FIX4K_D0000" }, { 0x026b, "IA32_MTRR_FIX4K_D8000" }, { 0x026c, "IA32_MTRR_FIX4K_E0000" }, { 0x026d, "IA32_MTRR_FIX4K_E8000" }, { 0x026e, "IA32_MTRR_FIX4K_F0000" }, { 0x026f, "IA32_MTRR_FIX4K_F8000" }, { 0x02ff, "IA32_MTRR_DEF_TYPE" }, //{ 0x00c000080, "IA32_CR_EFER" }, // Seems to be RO }; /* Pentium 4 and XEON */ /* * All MSRs per * * Intel 64 and IA-32 Architectures Software Developer's Manual * Volume 3B: System Programming Guide, Part 2 * * Table B-5, B-7 */ static const msr_entry_t modelf2x_global_msrs[] = { { 0x0000, "IA32_P5_MC_ADDR" }, { 0x0001, "IA32_P5_MC_TYPE" }, /* 0x6: Not available in model 2. */ { 0x0017, "IA32_PLATFORM_ID" }, { 0x002a, "MSR_EBC_HARD_POWERON" }, { 0x002b, "MSR_EBC_SOFT_POWRON" }, /* 0x2c: Not available in model 2. */ // WRITE ONLY { 0x0079, "IA32_BIOS_UPDT_TRIG" }, { 0x019c, "IA32_THERM_STATUS" }, /* 0x19d: Not available in model 2. */ { 0x01a0, "IA32_MISC_ENABLE" }, /* 0x1a1: Not available in model 2. */ { 0x0200, "IA32_MTRR_PHYSBASE0" }, { 0x0201, "IA32_MTRR_PHYSMASK0" }, { 0x0202, "IA32_MTRR_PHYSBASE1" }, { 0x0203, "IA32_MTRR_PHYSMASK1" }, { 0x0204, "IA32_MTRR_PHYSBASE2" }, { 0x0205, "IA32_MTRR_PHYSMASK2" }, { 0x0206, "IA32_MTRR_PHYSBASE3" }, { 0x0207, "IA32_MTRR_PHYSMASK3" }, { 0x0208, "IA32_MTRR_PHYSBASE4" }, { 0x0209, "IA32_MTRR_PHYSMASK4" }, { 0x020a, "IA32_MTRR_PHYSBASE5" }, { 0x020b, "IA32_MTRR_PHYSMASK5" }, { 0x020c, "IA32_MTRR_PHYSBASE6" }, { 0x020d, "IA32_MTRR_PHYSMASK6" }, { 0x020e, "IA32_MTRR_PHYSBASE7" }, { 0x020f, "IA32_MTRR_PHYSMASK7" }, { 0x0250, "IA32_MTRR_FIX64K_00000" }, { 0x0258, "IA32_MTRR_FIX16K_80000" }, { 0x0259, "IA32_MTRR_FIX16K_A0000" }, { 0x0268, "IA32_MTRR_FIX4K_C0000" }, { 0x0269, "IA32_MTRR_FIX4K_C8000" }, { 0x026a, "IA32_MTRR_FIX4K_D0000" }, { 0x026b, "IA32_MTRR_FIX4K_D8000" }, { 0x026c, "IA32_MTRR_FIX4K_E0000" }, { 0x026d, "IA32_MTRR_FIX4K_E8000" }, { 0x026e, "IA32_MTRR_FIX4K_F0000" }, { 0x026f, "IA32_MTRR_FIX4K_F8000" }, { 0x02ff, "IA32_MTRR_DEF_TYPE" }, { 0x0300, "MSR_BPU_COUNTER0" }, { 0x0301, "MSR_BPU_COUNTER1" }, { 0x0302, "MSR_BPU_COUNTER2" }, { 0x0303, "MSR_BPU_COUNTER3" }, { 0x0304, "MSR_MS_COUNTER0" }, { 0x0305, "MSR_MS_COUNTER1" }, { 0x0306, "MSR_MS_COUNTER2" }, { 0x0307, "MSR_MS_COUNTER3" }, { 0x0308, "MSR_FLAME_COUNTER0" }, { 0x0309, "MSR_FLAME_COUNTER1" }, { 0x030a, "MSR_FLAME_COUNTER2" }, { 0x030b, "MSR_FLAME_COUNTER3" }, { 0x030c, "MSR_IQ_COUNTER0" }, { 0x030d, "MSR_IQ_COUNTER1" }, { 0x030e, "MSR_IQ_COUNTER2" }, { 0x030f, "MSR_IQ_COUNTER3" }, { 0x0310, "MSR_IQ_COUNTER4" }, { 0x0311, "MSR_IQ_COUNTER5" }, { 0x0360, "MSR_BPU_CCCR0" }, { 0x0361, "MSR_BPU_CCCR1" }, { 0x0362, "MSR_BPU_CCCR2" }, { 0x0363, "MSR_BPU_CCCR3" }, { 0x0364, "MSR_MS_CCCR0" }, { 0x0365, "MSR_MS_CCCR1" }, { 0x0366, "MSR_MS_CCCR2" }, { 0x0367, "MSR_MS_CCCR3" }, { 0x0368, "MSR_FLAME_CCCR0" }, { 0x0369, "MSR_FLAME_CCCR1" }, { 0x036a, "MSR_FLAME_CCCR2" }, { 0x036b, "MSR_FLAME_CCCR3" }, { 0x036c, "MSR_IQ_CCCR0" }, { 0x036d, "MSR_IQ_CCCR1" }, { 0x036e, "MSR_IQ_CCCR2" }, { 0x036f, "MSR_IQ_CCCR3" }, { 0x0370, "MSR_IQ_CCCR4" }, { 0x0371, "MSR_IQ_CCCR5" }, { 0x03a0, "MSR_BSU_ESCR0" }, { 0x03a1, "MSR_BSU_ESCR1" }, { 0x03a2, "MSR_FSB_ESCR0" }, { 0x03a3, "MSR_FSB_ESCR1" }, { 0x03a4, "MSR_FIRM_ESCR0" }, { 0x03a5, "MSR_FIRM_ESCR1" }, { 0x03a6, "MSR_FLAME_ESCR0" }, { 0x03a7, "MSR_FLAME_ESCR1" }, { 0x03a8, "MSR_DAC_ESCR0" }, { 0x03a9, "MSR_DAC_ESCR1" }, { 0x03aa, "MSR_MOB_ESCR0" }, { 0x03ab, "MSR_MOB_ESCR1" }, { 0x03ac, "MSR_PMH_ESCR0" }, { 0x03ad, "MSR_PMH_ESCR1" }, { 0x03ae, "MSR_SAAT_ESCR0" }, { 0x03af, "MSR_SAAT_ESCR1" }, { 0x03b0, "MSR_U2L_ESCR0" }, { 0x03b1, "MSR_U2L_ESCR1" }, { 0x03b2, "MSR_BPU_ESCR0" }, { 0x03b3, "MSR_BPU_ESCR1" }, { 0x03b4, "MSR_IS_ESCR0" }, { 0x03b5, "MSR_BPU_ESCR1" }, { 0x03b6, "MSR_ITLB_ESCR0" }, { 0x03b7, "MSR_ITLB_ESCR1" }, { 0x03b8, "MSR_CRU_ESCR0" }, { 0x03b9, "MSR_CRU_ESCR1" }, { 0x03ba, "MSR_IQ_ESCR0" }, { 0x03bb, "MSR_IQ_ESCR1" }, { 0x03bc, "MSR_RAT_ESCR0" }, { 0x03bd, "MSR_RAT_ESCR1" }, { 0x03be, "MSR_SSU_ESCR0" }, { 0x03c0, "MSR_MS_ESCR0" }, { 0x03c1, "MSR_MS_ESCR1" }, { 0x03c2, "MSR_TBPU_ESCR0" }, { 0x03c3, "MSR_TBPU_ESCR1" }, { 0x03c4, "MSR_TC_ESCR0" }, { 0x03c5, "MSR_TC_ESCR1" }, { 0x03c8, "MSR_IX_ESCR0" }, { 0x03c9, "MSR_IX_ESCR1" }, { 0x03ca, "MSR_ALF_ESCR0" }, { 0x03cb, "MSR_ALF_ESCR1" }, { 0x03cc, "MSR_CRU_ESCR2" }, { 0x03cd, "MSR_CRU_ESCR3" }, { 0x03e0, "MSR_CRU_ESCR4" }, { 0x03e1, "MSR_CRU_ESCR5" }, { 0x03f0, "MSR_TC_PRECISE_EVENT" }, { 0x03f1, "MSR_PEBS_ENABLE" }, { 0x03f2, "MSR_PEBS_MATRIX_VERT" }, /* * All MCX_ADDR and MCX_MISC MSRs depend on a bit being * set in MCX_STATUS. */ { 0x400, "IA32_MC0_CTL" }, { 0x401, "IA32_MC0_STATUS" }, { 0x402, "IA32_MC0_ADDR" }, { 0x403, "IA32_MC0_MISC" }, { 0x404, "IA32_MC1_CTL" }, { 0x405, "IA32_MC1_STATUS" }, { 0x406, "IA32_MC1_ADDR" }, { 0x407, "IA32_MC1_MISC" }, { 0x408, "IA32_MC2_CTL" }, { 0x409, "IA32_MC2_STATUS" }, { 0x40a, "IA32_MC2_ADDR" }, { 0x40b, "IA32_MC2_MISC" }, { 0x40c, "IA32_MC3_CTL" }, { 0x40d, "IA32_MC3_STATUS" }, { 0x40e, "IA32_MC3_ADDR" }, { 0x40f, "IA32_MC3_MISC" }, { 0x410, "IA32_MC4_CTL" }, { 0x411, "IA32_MC4_STATUS" }, { 0x412, "IA32_MC4_ADDR" }, { 0x413, "IA32_MC4_MISC" }, }; static const msr_entry_t modelf2x_per_core_msrs[] = { { 0x0010, "IA32_TIME_STAMP_COUNTER" }, { 0x001b, "IA32_APIC_BASE" }, /* 0x3a: Not available in model 2. */ { 0x008b, "IA32_BIOS_SIGN_ID" }, /* 0x9b: Not available in model 2. */ { 0x00fe, "IA32_MTRRCAP" }, { 0x0174, "IA32_SYSENTER_CS" }, { 0x0175, "IA32_SYSENTER_ESP" }, { 0x0176, "IA32_SYSENTER_EIP" }, { 0x0179, "IA32_MCG_CAP" }, { 0x017a, "IA32_MCG_STATUS" }, { 0x017b, "IA32_MCG_CTL" }, { 0x0180, "MSR_MCG_RAX" }, { 0x0181, "MSR_MCG_RBX" }, { 0x0182, "MSR_MCG_RCX" }, { 0x0183, "MSR_MCG_RDX" }, { 0x0184, "MSR_MCG_RSI" }, { 0x0185, "MSR_MCG_RDI" }, { 0x0186, "MSR_MCG_RBP" }, { 0x0187, "MSR_MCG_RSP" }, { 0x0188, "MSR_MCG_RFLAGS" }, { 0x0189, "MSR_MCG_RIP" }, { 0x018a, "MSR_MCG_MISC" }, /* 0x18b-0x18f: Reserved */ { 0x0190, "MSR_MCG_R8" }, { 0x0191, "MSR_MCG_R9" }, { 0x0192, "MSR_MCG_R10" }, { 0x0193, "MSR_MCG_R11" }, { 0x0194, "MSR_MCG_R12" }, { 0x0195, "MSR_MCG_R13" }, { 0x0196, "MSR_MCG_R14" }, { 0x0197, "MSR_MCG_R15" }, /* 0x198: Not available in model 2. */ /* 0x199: Not available in model 2. */ { 0x019a, "IA32_CLOCK_MODULATION" }, { 0x019b, "IA32_THERM_INTERRUPT" }, { 0x01a0, "IA32_MISC_ENABLE" }, { 0x01d7, "MSR_LER_FROM_LIP" }, { 0x01d8, "MSR_LER_TO_LIP" }, { 0x01d9, "MSR_DEBUGCTLA" }, { 0x01da, "MSR_LASTBRANCH_TOS" }, { 0x01db, "MSR_LASTBRANCH_0" }, { 0x01dd, "MSR_LASTBRANCH_2" }, { 0x01de, "MSR_LASTBRANCH_3" }, { 0x0277, "IA32_PAT" }, /* 0x480-0x48b : Not available in model 2. */ { 0x0600, "IA32_DS_AREA" }, /* 0x0680 - 0x06cf Branch Records Skipped */ }; static const msr_entry_t modelf4x_global_msrs[] = { { 0x0000, "IA32_P5_MC_ADDR" }, { 0x0001, "IA32_P5_MC_TYPE" }, { 0x0006, "IA32_MONITOR_FILTER_LINE_SIZE" }, { 0x0017, "IA32_PLATFORM_ID" }, { 0x002a, "MSR_EBC_HARD_POWERON" }, { 0x002b, "MSR_EBC_SOFT_POWRON" }, { 0x002c, "MSR_EBC_FREQUENCY_ID" }, // WRITE ONLY { 0x0079, "IA32_BIOS_UPDT_TRIG" }, { 0x019c, "IA32_THERM_STATUS" }, { 0x019d, "MSR_THERM2_CTL" }, { 0x01a0, "IA32_MISC_ENABLE" }, { 0x01a1, "MSR_PLATFORM_BRV" }, { 0x0200, "IA32_MTRR_PHYSBASE0" }, { 0x0201, "IA32_MTRR_PHYSMASK0" }, { 0x0202, "IA32_MTRR_PHYSBASE1" }, { 0x0203, "IA32_MTRR_PHYSMASK1" }, { 0x0204, "IA32_MTRR_PHYSBASE2" }, { 0x0205, "IA32_MTRR_PHYSMASK2" }, { 0x0206, "IA32_MTRR_PHYSBASE3" }, { 0x0207, "IA32_MTRR_PHYSMASK3" }, { 0x0208, "IA32_MTRR_PHYSBASE4" }, { 0x0209, "IA32_MTRR_PHYSMASK4" }, { 0x020a, "IA32_MTRR_PHYSBASE5" }, { 0x020b, "IA32_MTRR_PHYSMASK5" }, { 0x020c, "IA32_MTRR_PHYSBASE6" }, { 0x020d, "IA32_MTRR_PHYSMASK6" }, { 0x020e, "IA32_MTRR_PHYSBASE7" }, { 0x020f, "IA32_MTRR_PHYSMASK7" }, { 0x0250, "IA32_MTRR_FIX64K_00000" }, { 0x0258, "IA32_MTRR_FIX16K_80000" }, { 0x0259, "IA32_MTRR_FIX16K_A0000" }, { 0x0268, "IA32_MTRR_FIX4K_C0000" }, { 0x0269, "IA32_MTRR_FIX4K_C8000" }, { 0x026a, "IA32_MTRR_FIX4K_D0000" }, { 0x026b, "IA32_MTRR_FIX4K_D8000" }, { 0x026c, "IA32_MTRR_FIX4K_E0000" }, { 0x026d, "IA32_MTRR_FIX4K_E8000" }, { 0x026e, "IA32_MTRR_FIX4K_F0000" }, { 0x026f, "IA32_MTRR_FIX4K_F8000" }, { 0x02ff, "IA32_MTRR_DEF_TYPE" }, { 0x0300, "MSR_BPU_COUNTER0" }, { 0x0301, "MSR_BPU_COUNTER1" }, { 0x0302, "MSR_BPU_COUNTER2" }, { 0x0303, "MSR_BPU_COUNTER3" }, /* Skipped through 0x3ff for now*/ /* All MCX_ADDR AND MCX_MISC MSRs depend on a bit being * set in MCX_STATUS */ { 0x400, "IA32_MC0_CTL" }, { 0x401, "IA32_MC0_STATUS" }, { 0x402, "IA32_MC0_ADDR" }, { 0x403, "IA32_MC0_MISC" }, { 0x404, "IA32_MC1_CTL" }, { 0x405, "IA32_MC1_STATUS" }, { 0x406, "IA32_MC1_ADDR" }, { 0x407, "IA32_MC1_MISC" }, { 0x408, "IA32_MC2_CTL" }, { 0x409, "IA32_MC2_STATUS" }, { 0x40a, "IA32_MC2_ADDR" }, { 0x40b, "IA32_MC2_MISC" }, { 0x40c, "IA32_MC3_CTL" }, { 0x40d, "IA32_MC3_STATUS" }, { 0x40e, "IA32_MC3_ADDR" }, { 0x40f, "IA32_MC3_MISC" }, { 0x410, "IA32_MC4_CTL" }, { 0x411, "IA32_MC4_STATUS" }, { 0x412, "IA32_MC4_ADDR" }, { 0x413, "IA32_MC4_MISC" }, }; static const msr_entry_t modelf4x_per_core_msrs[] = { { 0x0010, "IA32_TIME_STAMP_COUNTER" }, { 0x001b, "IA32_APIC_BASE" }, { 0x003a, "IA32_FEATURE_CONTROL" }, { 0x008b, "IA32_BIOS_SIGN_ID" }, { 0x009b, "IA32_SMM_MONITOR_CTL" }, { 0x00fe, "IA32_MTRRCAP" }, { 0x0174, "IA32_SYSENTER_CS" }, { 0x0175, "IA32_SYSENTER_ESP" }, { 0x0176, "IA32_SYSENTER_EIP" }, { 0x0179, "IA32_MCG_CAP" }, { 0x017a, "IA32_MCG_STATUS" }, { 0x0180, "MSR_MCG_RAX" }, { 0x0181, "MSR_MCG_RBX" }, { 0x0182, "MSR_MCG_RCX" }, { 0x0183, "MSR_MCG_RDX" }, { 0x0184, "MSR_MCG_RSI" }, { 0x0185, "MSR_MCG_RDI" }, { 0x0186, "MSR_MCG_RBP" }, { 0x0187, "MSR_MCG_RSP" }, { 0x0188, "MSR_MCG_RFLAGS" }, { 0x0189, "MSR_MCG_RIP" }, { 0x018a, "MSR_MCG_MISC" }, // 0x18b-f Reserved { 0x0190, "MSR_MCG_R8" }, { 0x0191, "MSR_MCG_R9" }, { 0x0192, "MSR_MCG_R10" }, { 0x0193, "MSR_MCG_R11" }, { 0x0194, "MSR_MCG_R12" }, { 0x0195, "MSR_MCG_R13" }, { 0x0196, "MSR_MCG_R14" }, { 0x0197, "MSR_MCG_R15" }, { 0x0198, "IA32_PERF_STATUS" }, { 0x0199, "IA32_PERF_CTL" }, { 0x019a, "IA32_CLOCK_MODULATION" }, { 0x019b, "IA32_THERM_INTERRUPT" }, { 0x01a0, "IA32_MISC_ENABLE" }, // Bit 34 is Core Specific { 0x01d7, "MSR_LER_FROM_LIP" }, { 0x01d8, "MSR_LER_TO_LIP" }, { 0x01d9, "MSR_DEBUGCTLA" }, { 0x01da, "MSR_LASTBRANCH_TOS" }, { 0x0277, "IA32_PAT" }, /** Virtualization { 0x480, "IA32_VMX_BASIC" }, through { 0x48b, "IA32_VMX_PROCBASED_CTLS2" }, Not implemented in my CPU */ { 0x0600, "IA32_DS_AREA" }, /* 0x0680 - 0x06cf Branch Records Skipped */ }; /* Atom N455 * * This should apply to the following processors: * 06_1CH * 06_26H * 06_27H * 06_35 * 06_36 */ /* * All MSRs per * * Intel 64 and IA-32 Architectures Software Developer's Manual * Volume 3C: System Programming Guide, Part 3 * Order Number 326019 * January 2013 * * Table 35-4, 35-5 * * For now it has only been tested with 06_1CH. */ static const msr_entry_t model6_atom_global_msrs[] = { { 0x0000, "IA32_P5_MC_ADDR" }, { 0x0001, "IA32_P5_MC_TYPE" }, { 0x0010, "IA32_TIME_STAMP_COUNTER" }, { 0x0017, "IA32_PLATFORM_ID" }, { 0x002a, "MSR_EBC_HARD_POWERON" }, { 0x00cd, "MSR_FSB_FREQ" }, { 0x00fe, "IA32_MTRRCAP" }, { 0x011e, "MSR_BBL_CR_CTL3" }, { 0x0198, "IA32_PERF_STATUS" }, { 0x019d, "MSR_THERM2_CTL" }, { 0x0200, "IA32_MTRR_PHYSBASE0" }, { 0x0201, "IA32_MTRR_PHYSMASK0" }, { 0x0202, "IA32_MTRR_PHYSBASE1" }, { 0x0203, "IA32_MTRR_PHYSMASK1" }, { 0x0204, "IA32_MTRR_PHYSBASE2" }, { 0x0205, "IA32_MTRR_PHYSMASK2" }, { 0x0206, "IA32_MTRR_PHYSBASE3" }, { 0x0207, "IA32_MTRR_PHYSMASK3" }, { 0x0208, "IA32_MTRR_PHYSBASE4" }, { 0x0209, "IA32_MTRR_PHYSMASK4" }, { 0x020a, "IA32_MTRR_PHYSBASE5" }, { 0x020b, "IA32_MTRR_PHYSMASK5" }, { 0x020c, "IA32_MTRR_PHYSBASE6" }, { 0x020d, "IA32_MTRR_PHYSMASK6" }, { 0x020e, "IA32_MTRR_PHYSBASE7" }, { 0x020f, "IA32_MTRR_PHYSMASK7" }, { 0x0250, "IA32_MTRR_FIX64K_00000" }, { 0x0258, "IA32_MTRR_FIX16K_80000" }, { 0x0259, "IA32_MTRR_FIX16K_A0000" }, { 0x0268, "IA32_MTRR_FIX4K_C0000" }, { 0x0269, "IA32_MTRR_FIX4K_C8000" }, { 0x026a, "IA32_MTRR_FIX4K_D0000" }, { 0x026b, "IA32_MTRR_FIX4K_D8000" }, { 0x026c, "IA32_MTRR_FIX4K_E0000" }, { 0x026d, "IA32_MTRR_FIX4K_E8000" }, { 0x026e, "IA32_MTRR_FIX4K_F0000" }, { 0x026f, "IA32_MTRR_FIX4K_F8000" }, { 0x0345, "IA32_PERF_CAPABILITIES" }, { 0x400, "IA32_MC0_CTL" }, { 0x401, "IA32_MC0_STATUS" }, { 0x402, "IA32_MC0_ADDR" }, { 0x404, "IA32_MC1_CTL" }, { 0x405, "IA32_MC1_STATUS" }, { 0x408, "IA32_MC2_CTL" }, { 0x409, "IA32_MC2_STATUS" }, { 0x40a, "IA32_MC2_ADDR" }, { 0x40c, "IA32_MC3_CTL" }, { 0x40d, "IA32_MC3_STATUS" }, { 0x40e, "IA32_MC3_ADDR" }, { 0x410, "IA32_MC4_CTL" }, { 0x411, "IA32_MC4_STATUS" }, { 0x412, "IA32_MC4_ADDR" }, /* * Only 06_27C has the following MSRs */ /* { 0x03f8, "MSR_PKG_C2_RESIDENCY" }, { 0x03f9, "MSR_PKG_C4_RESIDENCY" }, { 0x03fa, "MSR_PKG_C6_RESIDENCY" }, */ }; static const msr_entry_t model6_atom_per_core_msrs[] = { { 0x0006, "IA32_MONITOR_FILTER_SIZE" }, { 0x0010, "IA32_TIME_STAMP_COUNTER" }, { 0x001b, "IA32_APIC_BASE" }, { 0x003a, "IA32_FEATURE_CONTROL" }, { 0x0040, "MSR_LASTBRANCH_0_FROM_IP" }, { 0x0041, "MSR_LASTBRANCH_1_FROM_IP" }, { 0x0042, "MSR_LASTBRANCH_2_FROM_IP" }, { 0x0043, "MSR_LASTBRANCH_3_FROM_IP" }, { 0x0044, "MSR_LASTBRANCH_4_FROM_IP" }, { 0x0045, "MSR_LASTBRANCH_5_FROM_IP" }, { 0x0046, "MSR_LASTBRANCH_6_FROM_IP" }, { 0x0047, "MSR_LASTBRANCH_7_FROM_IP" }, { 0x0060, "MSR_LASTBRANCH_0_TO_IP" }, { 0x0061, "MSR_LASTBRANCH_1_TO_IP" }, { 0x0062, "MSR_LASTBRANCH_2_TO_IP" }, { 0x0063, "MSR_LASTBRANCH_3_TO_IP" }, { 0x0064, "MSR_LASTBRANCH_4_TO_IP" }, { 0x0065, "MSR_LASTBRANCH_5_TO_IP" }, { 0x0066, "MSR_LASTBRANCH_6_TO_IP" }, { 0x0067, "MSR_LASTBRANCH_7_TO_IP" }, /* Write register */ /* { 0x0079, "IA32_BIOS_UPDT_TRIG" }, */ { 0x008b, "IA32_BIOS_SIGN_ID" }, { 0x00c1, "IA32_PMC0" }, { 0x00c2, "IA32_PMC1" }, { 0x00e7, "IA32_MPERF" }, { 0x00e8, "IA32_APERF" }, { 0x0174, "IA32_SYSENTER_CS" }, { 0x0175, "IA32_SYSENTER_ESP" }, { 0x0176, "IA32_SYSENTER_EIP" }, { 0x017a, "IA32_MCG_STATUS" }, { 0x0186, "IA32_PERF_EVNTSEL0" }, { 0x0187, "IA32_PERF_EVNTSEL1" }, { 0x0199, "IA32_PERF_CONTROL" }, { 0x019a, "IA32_CLOCK_MODULATION" }, { 0x019b, "IA32_THERM_INTERRUPT" }, { 0x019c, "IA32_THERM_STATUS" }, { 0x01a0, "IA32_MISC_ENABLES" }, { 0x01c9, "MSR_LASTBRANCH_TOS" }, { 0x01d9, "IA32_DEBUGCTL" }, { 0x01dd, "MSR_LER_FROM_LIP" }, { 0x01de, "MSR_LER_TO_LIP" }, { 0x0277, "IA32_PAT" }, { 0x0309, "IA32_FIXED_CTR0" }, { 0x030a, "IA32_FIXED_CTR1" }, { 0x030b, "IA32_FIXED_CTR2" }, { 0x038d, "IA32_FIXED_CTR_CTRL" }, { 0x038e, "IA32_PERF_GLOBAL_STATUS" }, { 0x038f, "IA32_PERF_GLOBAL_CTRL" }, { 0x0390, "IA32_PERF_GLOBAL_OVF_CTRL" }, { 0x03f1, "MSR_PEBS_ENABLE" }, { 0x0480, "IA32_VMX_BASIC" }, { 0x0481, "IA32_VMX_PINBASED_CTLS" }, { 0x0482, "IA32_VMX_PROCBASED_CTLS" }, { 0x0483, "IA32_VMX_EXIT_CTLS" }, { 0x0484, "IA32_VMX_ENTRY_CTLS" }, { 0x0485, "IA32_VMX_MISC" }, { 0x0486, "IA32_VMX_CR0_FIXED0" }, { 0x0487, "IA32_VMX_CR0_FIXED1" }, { 0x0488, "IA32_VMX_CR4_FIXED0" }, { 0x0489, "IA32_VMX_CR4_FIXED1" }, { 0x048a, "IA32_VMX_VMCS_ENUM" }, { 0x048b, "IA32_VMX_PROCBASED_CTLS2" }, { 0x0600, "IA32_DS_AREA" }, }; typedef struct { unsigned int model; const msr_entry_t *global_msrs; unsigned int num_global_msrs; const msr_entry_t *per_core_msrs; unsigned int num_per_core_msrs; } cpu_t; cpu_t cpulist[] = { { 0x00670, model67x_global_msrs, ARRAY_SIZE(model67x_global_msrs), NULL, 0 }, { 0x006b0, model6bx_global_msrs, ARRAY_SIZE(model6bx_global_msrs), NULL, 0 }, { 0x006e0, model6ex_global_msrs, ARRAY_SIZE(model6ex_global_msrs), model6ex_per_core_msrs, ARRAY_SIZE(model6ex_per_core_msrs) }, { 0x006f0, model6fx_global_msrs, ARRAY_SIZE(model6fx_global_msrs), model6fx_per_core_msrs, ARRAY_SIZE(model6fx_per_core_msrs) }, { 0x00f20, modelf2x_global_msrs, ARRAY_SIZE(modelf2x_global_msrs), modelf2x_per_core_msrs, ARRAY_SIZE(modelf2x_per_core_msrs) }, { 0x00f40, modelf4x_global_msrs, ARRAY_SIZE(modelf4x_global_msrs), modelf4x_per_core_msrs, ARRAY_SIZE(modelf4x_per_core_msrs) }, { 0x106c0, model6_atom_global_msrs, ARRAY_SIZE(model6_atom_global_msrs), model6_atom_per_core_msrs, ARRAY_SIZE(model6_atom_per_core_msrs) }, }; cpu_t *cpu = NULL; /* Get CPU family and model, not the stepping * (TODO: extended family/model) */ id = cpuid(1) & 0xfffff0; for (i = 0; i < ARRAY_SIZE(cpulist); i++) { if(cpulist[i].model == id) { cpu = &cpulist[i]; break; } } if (!cpu) { printf("Error: Dumping MSRs on this CPU (0x%06x) is not (yet) supported.\n", id); return -1; } #ifndef __DARWIN__ fd_msr = open("/dev/cpu/0/msr", O_RDWR); if (fd_msr < 0) { perror("Error while opening /dev/cpu/0/msr"); printf("Did you run 'modprobe msr'?\n"); return -1; } #endif printf("\n===================== SHARED MSRs (All Cores) =====================\n"); for (i = 0; i < cpu->num_global_msrs; i++) { msr = rdmsr(cpu->global_msrs[i].number); printf(" MSR 0x%08X = 0x%08X:0x%08X (%s)\n", cpu->global_msrs[i].number, msr.hi, msr.lo, cpu->global_msrs[i].name); } close(fd_msr); for (core = 0; core < 8; core++) { #ifndef __DARWIN__ char msrfilename[64]; memset(msrfilename, 0, 64); sprintf(msrfilename, "/dev/cpu/%u/msr", core); fd_msr = open(msrfilename, O_RDWR); /* If the file is not there, we're probably through. No error, * since we successfully opened /dev/cpu/0/msr before. */ if (fd_msr < 0) break; #endif if (cpu->num_per_core_msrs) printf("\n====================== UNIQUE MSRs (core %u) ======================\n", core); for (i = 0; i < cpu->num_per_core_msrs; i++) { msr = rdmsr(cpu->per_core_msrs[i].number); printf(" MSR 0x%08X = 0x%08X:0x%08X (%s)\n", cpu->per_core_msrs[i].number, msr.hi, msr.lo, cpu->per_core_msrs[i].name); } #ifndef __DARWIN__ close(fd_msr); #endif } #ifndef __DARWIN__ if (msr_readerror) printf("\n(*) Some MSRs could not be read. The marked values are unreliable.\n"); #endif return 0; }