split the one file, as the several printing functions will continue to grow
immensly when they know more systems / cpus / chipsets
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3531 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/util/inteltool/cpu.c b/util/inteltool/cpu.c
new file mode 100644
index 0000000..4f3e716
--- /dev/null
+++ b/util/inteltool/cpu.c
@@ -0,0 +1,325 @@
+/*
+ * inteltool - dump all registers on an Intel CPU + chipset based system.
+ *
+ * Copyright (C) 2008 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include "inteltool.h"
+
+int fd_msr;
+
+unsigned int cpuid(unsigned int op)
+{
+ unsigned int ret;
+ unsigned int dummy2, dummy3, dummy4;
+ asm volatile (
+ "cpuid"
+ : "=a" (ret), "=b" (dummy2), "=c" (dummy3), "=d" (dummy4)
+ : "a" (op)
+ );
+ return ret;
+}
+
+int msr_readerror = 0;
+
+msr_t rdmsr(int addr)
+{
+ uint8_t buf[8];
+ 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 = *(uint32_t *)buf;
+ msr.hi = *(uint32_t *)(buf + 4);
+
+ 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;
+}
+
+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;
+
+ 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
+ };
+
+ 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[] = {
+ { 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) },
+ };
+
+ cpu_t *cpu = NULL;
+
+ /* Get CPU family and model, not the stepping
+ * (TODO: extended family/model)
+ */
+ id = cpuid(1) & 0xff0;
+ 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;
+ }
+
+ 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;
+ }
+
+ 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++) {
+ char msrfilename[64];
+ memset(msrfilename, 0, 64);
+ sprintf(msrfilename, "/dev/cpu/%d/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;
+
+ printf("\n====================== UNIQUE MSRs (core %d) ======================\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);
+ }
+
+ close(fd_msr);
+ }
+
+ if (msr_readerror)
+ printf("\n(*) Some MSRs could not be read. The marked values are unreliable.\n");
+
+ return 0;
+}
+
+