split the one file, as the several printing functions will continue to grow
authorStefan Reinauer <stepan@coresystems.de>
Wed, 20 Aug 2008 13:41:24 +0000 (13:41 +0000)
committerStefan Reinauer <stepan@openbios.org>
Wed, 20 Aug 2008 13:41:24 +0000 (13:41 +0000)
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

util/inteltool/Makefile
util/inteltool/cpu.c [new file with mode: 0644]
util/inteltool/gpio.c [new file with mode: 0644]
util/inteltool/inteltool.c
util/inteltool/inteltool.h [new file with mode: 0644]
util/inteltool/memory.c [new file with mode: 0644]
util/inteltool/pcie.c [new file with mode: 0644]
util/inteltool/powermgt.c [new file with mode: 0644]
util/inteltool/rootcmplx.c [new file with mode: 0644]

index d1a8b218808d55bf77b2388964d6644ef6dd5e34..9b76d216f0a68fc445dfdbe77547aef7886f0671 100644 (file)
@@ -27,7 +27,7 @@ PREFIX  = /usr/local
 CFLAGS  = -O2 -g -Wall -W
 LDFLAGS = -lpci -lz 
 
-OBJS = inteltool.o
+OBJS = inteltool.o cpu.o gpio.o rootcmplx.o powermgt.o memory.o pcie.o
 
 all: pciutils dep $(PROGRAM)
 
diff --git a/util/inteltool/cpu.c b/util/inteltool/cpu.c
new file mode 100644 (file)
index 0000000..4f3e716
--- /dev/null
@@ -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;
+}
+
+
diff --git a/util/inteltool/gpio.c b/util/inteltool/gpio.c
new file mode 100644 (file)
index 0000000..105e776
--- /dev/null
@@ -0,0 +1,145 @@
+/*
+ * 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 <stdio.h>
+#include <sys/io.h>
+#include "inteltool.h"
+
+static const io_register_t ich0_gpio_registers[] = {
+       { 0x00, 4, "GPIO_USE_SEL" },
+       { 0x04, 4, "GP_IO_SEL" },
+       { 0x08, 4, "RESERVED" },
+       { 0x0c, 4, "GP_LVL" },
+       { 0x10, 4, "RESERVED" },
+       { 0x14, 4, "GPO_TTL" },
+       { 0x18, 4, "GPO_BLINK" },
+       { 0x1c, 4, "RESERVED" },
+       { 0x20, 4, "RESERVED" },
+       { 0x24, 4, "RESERVED" },
+       { 0x28, 4, "RESERVED" },
+       { 0x2c, 4, "GPI_INV" },
+       { 0x30, 4, "RESERVED" },
+       { 0x34, 4, "RESERVED" },
+       { 0x38, 4, "RESERVED" },
+       { 0x3C, 4, "RESERVED" }
+};
+
+static const io_register_t ich4_gpio_registers[] = {
+       { 0x00, 4, "GPIO_USE_SEL" },
+       { 0x04, 4, "GP_IO_SEL" },
+       { 0x08, 4, "RESERVED" },
+       { 0x0c, 4, "GP_LVL" },
+       { 0x10, 4, "RESERVED" },
+       { 0x14, 4, "GPO_TTL" },
+       { 0x18, 4, "GPO_BLINK" },
+       { 0x1c, 4, "RESERVED" },
+       { 0x20, 4, "RESERVED" },
+       { 0x24, 4, "RESERVED" },
+       { 0x28, 4, "RESERVED" },
+       { 0x2c, 4, "GPI_INV" },
+       { 0x30, 4, "GPIO_USE_SEL2" },
+       { 0x34, 4, "GP_IO_SEL2" },
+       { 0x38, 4, "GP_LVL2" },
+       { 0x3C, 4, "RESERVED" }
+};
+
+static const io_register_t ich7_gpio_registers[] = {
+       { 0x00, 4, "GPIO_USE_SEL" },
+       { 0x04, 4, "GP_IO_SEL" },
+       { 0x08, 4, "RESERVED" },
+       { 0x0c, 4, "GP_LVL" },
+       { 0x10, 4, "RESERVED" },
+       { 0x14, 4, "RESERVED" },
+       { 0x18, 4, "GPO_BLINK" },
+       { 0x1c, 4, "RESERVED" },
+       { 0x20, 4, "RESERVED" },
+       { 0x24, 4, "RESERVED" },
+       { 0x28, 4, "RESERVED" },
+       { 0x2c, 4, "GPI_INV" },
+       { 0x30, 4, "GPIO_USE_SEL2" },
+       { 0x34, 4, "GP_IO_SEL2" },
+       { 0x38, 4, "GP_LVL2" },
+       { 0x3C, 4, "RESERVED" }
+};
+
+int print_gpios(struct pci_dev *sb)
+{
+       int i, size;
+       uint16_t gpiobase;
+       const io_register_t *gpio_registers;
+
+       printf("\n============= GPIOS =============\n\n");
+
+       switch (sb->device_id) {
+       case PCI_DEVICE_ID_INTEL_ICH7:
+       case PCI_DEVICE_ID_INTEL_ICH7M:
+       case PCI_DEVICE_ID_INTEL_ICH7DH:
+       case PCI_DEVICE_ID_INTEL_ICH7MDH:
+               gpiobase = pci_read_word(sb, 0x48) & 0xfffc;
+               gpio_registers = ich7_gpio_registers;
+               size = ARRAY_SIZE(ich7_gpio_registers);
+               break;
+       case PCI_DEVICE_ID_INTEL_ICH4:
+       case PCI_DEVICE_ID_INTEL_ICH4M:
+               gpiobase = pci_read_word(sb, 0x58) & 0xfffc;
+               gpio_registers = ich4_gpio_registers;
+               size = ARRAY_SIZE(ich4_gpio_registers);
+               break;
+       case PCI_DEVICE_ID_INTEL_ICH:
+       case PCI_DEVICE_ID_INTEL_ICH0:
+               gpiobase = pci_read_word(sb, 0x58) & 0xfffc;
+               gpio_registers = ich0_gpio_registers;
+               size = ARRAY_SIZE(ich0_gpio_registers);
+               break;
+       case 0x1234: // Dummy for non-existent functionality
+               printf("This southbridge does not have GPIOBASE.\n");
+               return 1;
+       default:
+               printf("Error: Dumping GPIOs on this southbridge is not (yet) supported.\n");
+               return 1;
+       }
+
+       printf("GPIOBASE = 0x%04x (IO)\n\n", gpiobase);
+
+       for (i = 0; i < size; i++) {
+               switch (gpio_registers[i].size) {
+               case 4:
+                       printf("gpiobase+0x%04x: 0x%08x (%s)\n",
+                               gpio_registers[i].addr,
+                               inl(gpiobase+gpio_registers[i].addr),
+                               gpio_registers[i].name);
+                       break;
+               case 2:
+                       printf("gpiobase+0x%04x: 0x%04x     (%s)\n",
+                               gpio_registers[i].addr,
+                               inw(gpiobase+gpio_registers[i].addr),
+                               gpio_registers[i].name);
+                       break;
+               case 1:
+                       printf("gpiobase+0x%04x: 0x%02x       (%s)\n",
+                               gpio_registers[i].addr,
+                               inb(gpiobase+gpio_registers[i].addr),
+                               gpio_registers[i].name);
+                       break;
+               }
+       }
+
+       return 0;
+}
+
index e2520930fb5e3c1af074f5da1e8ef055ca60c5cd..ff17d9b1681ca50dd59198e312c08235216d721e 100644 (file)
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#include <errno.h>
-#include <fcntl.h>
-#include <unistd.h>
 #include <stdio.h>
-#include <string.h>
 #include <stdlib.h>
-#include <stdint.h>
 #include <getopt.h>
-#include <sys/mman.h>
 #include <sys/io.h>
-#include <pci/pci.h>
-
-#define INTELTOOL_VERSION "1.0"
-
-/* Tested chipsets: */
-#define PCI_VENDOR_ID_INTEL            0x8086
-#define PCI_DEVICE_ID_INTEL_ICH                0x2410
-#define PCI_DEVICE_ID_INTEL_ICH0       0x2420
-#define PCI_DEVICE_ID_INTEL_ICH2       0x2440
-#define PCI_DEVICE_ID_INTEL_ICH4       0x24c0
-#define PCI_DEVICE_ID_INTEL_ICH4M      0x24cc
-#define PCI_DEVICE_ID_INTEL_ICH7DH     0x27b0
-#define PCI_DEVICE_ID_INTEL_ICH7       0x27b8
-#define PCI_DEVICE_ID_INTEL_ICH7M      0x27b9
-#define PCI_DEVICE_ID_INTEL_ICH7MDH    0x27bd
+#include <fcntl.h>
 
-#define PCI_DEVICE_ID_INTEL_82845      0x1a30
-#define PCI_DEVICE_ID_INTEL_82945GM    0x27a0
+#include "inteltool.h"
 
 static const struct {
        uint16_t vendor_id, device_id;
@@ -64,720 +43,7 @@ static const struct {
        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH, "ICH" }
 };
 
-#define ARRAY_SIZE(a) ((int)(sizeof(a) / sizeof((a)[0])))
-
 int fd_mem;
-int fd_msr;
-
-typedef struct { uint32_t hi, lo; } msr_t;
-typedef struct { uint16_t addr; int size; char *name; } io_register_t;
-
-static const io_register_t ich0_gpio_registers[] = {
-       { 0x00, 4, "GPIO_USE_SEL" },
-       { 0x04, 4, "GP_IO_SEL" },
-       { 0x08, 4, "RESERVED" },
-       { 0x0c, 4, "GP_LVL" },
-       { 0x10, 4, "RESERVED" },
-       { 0x14, 4, "GPO_TTL" },
-       { 0x18, 4, "GPO_BLINK" },
-       { 0x1c, 4, "RESERVED" },
-       { 0x20, 4, "RESERVED" },
-       { 0x24, 4, "RESERVED" },
-       { 0x28, 4, "RESERVED" },
-       { 0x2c, 4, "GPI_INV" },
-       { 0x30, 4, "RESERVED" },
-       { 0x34, 4, "RESERVED" },
-       { 0x38, 4, "RESERVED" },
-       { 0x3C, 4, "RESERVED" }
-};
-
-static const io_register_t ich4_gpio_registers[] = {
-       { 0x00, 4, "GPIO_USE_SEL" },
-       { 0x04, 4, "GP_IO_SEL" },
-       { 0x08, 4, "RESERVED" },
-       { 0x0c, 4, "GP_LVL" },
-       { 0x10, 4, "RESERVED" },
-       { 0x14, 4, "GPO_TTL" },
-       { 0x18, 4, "GPO_BLINK" },
-       { 0x1c, 4, "RESERVED" },
-       { 0x20, 4, "RESERVED" },
-       { 0x24, 4, "RESERVED" },
-       { 0x28, 4, "RESERVED" },
-       { 0x2c, 4, "GPI_INV" },
-       { 0x30, 4, "GPIO_USE_SEL2" },
-       { 0x34, 4, "GP_IO_SEL2" },
-       { 0x38, 4, "GP_LVL2" },
-       { 0x3C, 4, "RESERVED" }
-};
-
-static const io_register_t ich7_gpio_registers[] = {
-       { 0x00, 4, "GPIO_USE_SEL" },
-       { 0x04, 4, "GP_IO_SEL" },
-       { 0x08, 4, "RESERVED" },
-       { 0x0c, 4, "GP_LVL" },
-       { 0x10, 4, "RESERVED" },
-       { 0x14, 4, "RESERVED" },
-       { 0x18, 4, "GPO_BLINK" },
-       { 0x1c, 4, "RESERVED" },
-       { 0x20, 4, "RESERVED" },
-       { 0x24, 4, "RESERVED" },
-       { 0x28, 4, "RESERVED" },
-       { 0x2c, 4, "GPI_INV" },
-       { 0x30, 4, "GPIO_USE_SEL2" },
-       { 0x34, 4, "GP_IO_SEL2" },
-       { 0x38, 4, "GP_LVL2" },
-       { 0x3C, 4, "RESERVED" }
-};
-
-int print_gpios(struct pci_dev *sb)
-{
-       int i, size;
-       uint16_t gpiobase;
-       const io_register_t *gpio_registers;
-
-       printf("\n============= GPIOS =============\n\n");
-
-       switch (sb->device_id) {
-       case PCI_DEVICE_ID_INTEL_ICH7:
-       case PCI_DEVICE_ID_INTEL_ICH7M:
-       case PCI_DEVICE_ID_INTEL_ICH7DH:
-       case PCI_DEVICE_ID_INTEL_ICH7MDH:
-               gpiobase = pci_read_word(sb, 0x48) & 0xfffc;
-               gpio_registers = ich7_gpio_registers;
-               size = ARRAY_SIZE(ich7_gpio_registers);
-               break;
-       case PCI_DEVICE_ID_INTEL_ICH4:
-       case PCI_DEVICE_ID_INTEL_ICH4M:
-               gpiobase = pci_read_word(sb, 0x58) & 0xfffc;
-               gpio_registers = ich4_gpio_registers;
-               size = ARRAY_SIZE(ich4_gpio_registers);
-               break;
-       case PCI_DEVICE_ID_INTEL_ICH:
-       case PCI_DEVICE_ID_INTEL_ICH0:
-               gpiobase = pci_read_word(sb, 0x58) & 0xfffc;
-               gpio_registers = ich0_gpio_registers;
-               size = ARRAY_SIZE(ich0_gpio_registers);
-               break;
-       case 0x1234: // Dummy for non-existent functionality
-               printf("This southbridge does not have GPIOBASE.\n");
-               return 1;
-       default:
-               printf("Error: Dumping GPIOs on this southbridge is not (yet) supported.\n");
-               return 1;
-       }
-
-       printf("GPIOBASE = 0x%04x (IO)\n\n", gpiobase);
-
-       for (i = 0; i < size; i++) {
-               switch (gpio_registers[i].size) {
-               case 4:
-                       printf("gpiobase+0x%04x: 0x%08x (%s)\n",
-                               gpio_registers[i].addr,
-                               inl(gpiobase+gpio_registers[i].addr),
-                               gpio_registers[i].name);
-                       break;
-               case 2:
-                       printf("gpiobase+0x%04x: 0x%04x     (%s)\n",
-                               gpio_registers[i].addr,
-                               inw(gpiobase+gpio_registers[i].addr),
-                               gpio_registers[i].name);
-                       break;
-               case 1:
-                       printf("gpiobase+0x%04x: 0x%02x       (%s)\n",
-                               gpio_registers[i].addr,
-                               inb(gpiobase+gpio_registers[i].addr),
-                               gpio_registers[i].name);
-                       break;
-               }
-       }
-
-       return 0;
-}
-
-int print_rcba(struct pci_dev *sb)
-{
-       int i, size = 0x4000;
-       volatile uint8_t *rcba;
-       uint32_t rcba_phys;
-
-       printf("\n============= RCBA ==============\n\n");
-
-       switch (sb->device_id) {
-       case PCI_DEVICE_ID_INTEL_ICH7:
-       case PCI_DEVICE_ID_INTEL_ICH7M:
-       case PCI_DEVICE_ID_INTEL_ICH7DH:
-       case PCI_DEVICE_ID_INTEL_ICH7MDH:
-               rcba_phys = pci_read_long(sb, 0xf0) & 0xfffffffe;
-               break;
-       case PCI_DEVICE_ID_INTEL_ICH:
-       case PCI_DEVICE_ID_INTEL_ICH0:
-       case PCI_DEVICE_ID_INTEL_ICH4:
-       case PCI_DEVICE_ID_INTEL_ICH4M:
-               printf("This southbridge does not have RCBA.\n");
-               return 1;
-       default:
-               printf("Error: Dumping RCBA on this southbridge is not (yet) supported.\n");
-               return 1;
-       }
-
-       rcba = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
-                   fd_mem, (off_t) rcba_phys);
-       
-       if (rcba == MAP_FAILED) {
-               perror("Error mapping RCBA");
-               exit(1);
-       }
-
-       printf("RCBA = 0x%08x (MEM)\n\n", rcba_phys);
-
-       for (i = 0; i < size; i += 4) {
-               if (*(uint32_t *)(rcba + i))
-                       printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(rcba + i));
-       }
-
-       munmap((void *)rcba, size);
-       return 0;
-}
-
-int print_pmbase(struct pci_dev *sb)
-{
-       int i, size = 0x80;
-       uint16_t pmbase;
-
-       printf("\n============= PMBASE ============\n\n");
-
-       switch (sb->device_id) {
-       case PCI_DEVICE_ID_INTEL_ICH7:
-       case PCI_DEVICE_ID_INTEL_ICH7M:
-       case PCI_DEVICE_ID_INTEL_ICH7DH:
-       case PCI_DEVICE_ID_INTEL_ICH7MDH:
-               pmbase = pci_read_word(sb, 0x40) & 0xfffc;
-               break;
-       case 0x1234: // Dummy for non-existent functionality
-               printf("This southbridge does not have PMBASE.\n");
-               return 1;
-       default:
-               printf("Error: Dumping PMBASE on this southbridge is not (yet) supported.\n");
-               return 1;
-       }
-
-       printf("PMBASE = 0x%04x (IO)\n\n", pmbase);
-
-       for (i = 0; i < size; i += 4) {
-               printf("pmbase+0x%04x: 0x%08x\n", i, inl(pmbase + i));
-       }
-
-       return 0;
-}
-
-/*
- * (G)MCH MMIO Config Space
- */
-int print_mchbar(struct pci_dev *nb)
-{
-       int i, size = (16 * 1024);
-       volatile uint8_t *mchbar;
-       uint32_t mchbar_phys;
-
-       printf("\n============= MCHBAR ============\n\n");
-
-       switch (nb->device_id) {
-       case PCI_DEVICE_ID_INTEL_82945GM:
-               mchbar_phys = pci_read_long(nb, 0x44) & 0xfffffffe;
-               break;
-       case 0x1234: // Dummy for non-existent functionality
-               printf("This northbrigde does not have MCHBAR.\n");
-               return 1;
-       default:
-               printf("Error: Dumping MCHBAR on this northbridge is not (yet) supported.\n");
-               return 1;
-       }
-
-       mchbar = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
-                     fd_mem, (off_t) mchbar_phys);
-       
-       if (mchbar == MAP_FAILED) {
-               perror("Error mapping MCHBAR");
-               exit(1);
-       }
-
-       printf("MCHBAR = 0x%08x (MEM)\n\n", mchbar_phys);
-
-       for (i = 0; i < size; i += 4) {
-               if (*(uint32_t *)(mchbar + i))
-                       printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(mchbar+i));
-       }
-
-       munmap((void *)mchbar, size);
-       return 0;
-}
-
-/*
- * Egress Port Root Complex MMIO configuration space
- */
-int print_epbar(struct pci_dev *nb)
-{
-       int i, size = (4 * 1024);
-       volatile uint8_t *epbar;
-       uint32_t epbar_phys;
-
-       printf("\n============= EPBAR =============\n\n");
-
-       switch (nb->device_id) {
-       case PCI_DEVICE_ID_INTEL_82945GM:
-               epbar_phys = pci_read_long(nb, 0x40) & 0xfffffffe;
-               break;
-       case 0x1234: // Dummy for non-existent functionality
-               printf("This northbrigde does not have EPBAR.\n");
-               return 1;
-       default:
-               printf("Error: Dumping EPBAR on this northbridge is not (yet) supported.\n");
-               return 1;
-       }
-
-       epbar = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
-                    fd_mem, (off_t) epbar_phys);
-       
-       if (epbar == MAP_FAILED) {
-               perror("Error mapping EPBAR");
-               exit(1);
-       }
-
-       printf("EPBAR = 0x%08x (MEM)\n\n", epbar_phys);
-       for (i = 0; i < size; i += 4) {
-               if (*(uint32_t *)(epbar + i))
-                       printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(epbar+i));
-       }
-
-       munmap((void *)epbar, size);
-       return 0;
-}
-
-/*
- * MCH-ICH Serial Interconnect Ingress Root Complex MMIO configuration space
- */
-int print_dmibar(struct pci_dev *nb)
-{
-       int i, size = (4 * 1024);
-       volatile uint8_t *dmibar;
-       uint32_t dmibar_phys;
-
-       printf("\n============= DMIBAR ============\n\n");
-
-       switch (nb->device_id) {
-       case PCI_DEVICE_ID_INTEL_82945GM:
-               dmibar_phys = pci_read_long(nb, 0x4c) & 0xfffffffe;
-               break;
-       case 0x1234: // Dummy for non-existent functionality
-               printf("This northbrigde does not have DMIBAR.\n");
-               return 1;
-       default:
-               printf("Error: Dumping DMIBAR on this northbridge is not (yet) supported.\n");
-               return 1;
-       }
-
-       dmibar = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
-                     fd_mem, (off_t) dmibar_phys);
-       
-       if (dmibar == MAP_FAILED) {
-               perror("Error mapping DMIBAR");
-               exit(1);
-       }
-
-       printf("DMIBAR = 0x%08x (MEM)\n\n", dmibar_phys);
-       for (i = 0; i < size; i += 4) {
-               if (*(uint32_t *)(dmibar + i))
-                       printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(dmibar+i));
-       }
-
-       munmap((void *)dmibar, size);
-       return 0;
-}
-
-/*
- * PCIe MMIO configuration space
- */
-int print_pciexbar(struct pci_dev *nb)
-{
-       uint32_t pciexbar_reg;
-       uint32_t pciexbar_phys;
-       volatile uint8_t *pciexbar;
-       int max_busses, devbase, i;
-       int bus, dev, fn;
-
-       printf("========= PCIEXBAR ========\n\n");
-
-       switch (nb->device_id) {
-       case PCI_DEVICE_ID_INTEL_82945GM:
-               pciexbar_reg = pci_read_long(nb, 0x48);
-               break;
-       case 0x1234: // Dummy for non-existent functionality
-               printf("Error: This northbrigde does not have PCIEXBAR.\n");
-               return 1;
-       default:
-               printf("Error: Dumping PCIEXBAR on this northbridge is not (yet) supported.\n");
-               return 1;
-       }
-
-       if (!(pciexbar_reg & (1 << 0))) {
-               printf("PCIEXBAR register is disabled.\n");
-               return 0;
-       }
-
-       switch ((pciexbar_reg >> 1) & 3) {
-       case 0: // 256MB
-               pciexbar_phys = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28));
-               max_busses = 256;
-               break;
-       case 1: // 128M
-               pciexbar_phys = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27));
-               max_busses = 128;
-               break;
-       case 2: // 64M
-               pciexbar_phys = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)|(1 << 26));
-               max_busses = 64;
-               break;
-       default: // RSVD
-               printf("Undefined address base. Bailing out.\n");
-               return 1;
-       }       
-
-       printf("PCIEXBAR: 0x%08x\n", pciexbar_phys);
-
-       pciexbar = mmap(0, (max_busses * 1024 * 1024), PROT_WRITE | PROT_READ,
-                       MAP_SHARED, fd_mem, (off_t) pciexbar_phys);
-       
-       if (pciexbar == MAP_FAILED) {
-               perror("Error mapping PCIEXBAR");
-               exit(1);
-       }
-       
-       for (bus = 0; bus < max_busses; bus++) {
-               for (dev = 0; dev < 32; dev++) {
-                       for (fn = 0; fn < 8; fn++) {
-                               devbase = (bus * 1024 * 1024) + (dev * 32 * 1024) + (fn * 4 * 1024);
-
-                               if (*(uint16_t *)(pciexbar + devbase) == 0xffff)
-                                       continue;
-                               
-                               /* This is a heuristics. Anyone got a better check? */
-                               if( (*(uint32_t *)(pciexbar + devbase + 256) == 0xffffffff) &&
-                                       (*(uint32_t *)(pciexbar + devbase + 512) == 0xffffffff) ) {
-#if DEBUG
-                                       printf("Skipped non-PCIe device %02x:%02x.%01x\n", bus, dev, fn);
-#endif
-                                       continue;
-                               }
-
-                               printf("\nPCIe %02x:%02x.%01x extended config space:", bus, dev, fn);
-                               for (i = 0; i < 4096; i++) {
-                                       if((i % 0x10) == 0)
-                                               printf("\n%04x:", i);
-                                       printf(" %02x", *(pciexbar+devbase+i));
-                               }
-                               printf("\n");
-                       }
-               }
-       }
-
-       munmap((void *)pciexbar, (max_busses * 1024 * 1024));
-
-       return 0;
-}
-
-static 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;
-}
 
 void print_version(void)
 {
diff --git a/util/inteltool/inteltool.h b/util/inteltool/inteltool.h
new file mode 100644 (file)
index 0000000..132d46f
--- /dev/null
@@ -0,0 +1,56 @@
+/*
+ * 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 <stdint.h>
+#include <pci/pci.h>
+
+#define INTELTOOL_VERSION "1.0"
+
+/* Tested chipsets: */
+#define PCI_VENDOR_ID_INTEL            0x8086
+#define PCI_DEVICE_ID_INTEL_ICH                0x2410
+#define PCI_DEVICE_ID_INTEL_ICH0       0x2420
+#define PCI_DEVICE_ID_INTEL_ICH2       0x2440
+#define PCI_DEVICE_ID_INTEL_ICH4       0x24c0
+#define PCI_DEVICE_ID_INTEL_ICH4M      0x24cc
+#define PCI_DEVICE_ID_INTEL_ICH7DH     0x27b0
+#define PCI_DEVICE_ID_INTEL_ICH7       0x27b8
+#define PCI_DEVICE_ID_INTEL_ICH7M      0x27b9
+#define PCI_DEVICE_ID_INTEL_ICH7MDH    0x27bd
+
+#define PCI_DEVICE_ID_INTEL_82845      0x1a30
+#define PCI_DEVICE_ID_INTEL_82945GM    0x27a0
+
+#define ARRAY_SIZE(a) ((int)(sizeof(a) / sizeof((a)[0])))
+
+typedef struct { uint32_t hi, lo; } msr_t;
+typedef struct { uint16_t addr; int size; char *name; } io_register_t;
+
+extern int fd_mem;
+
+unsigned int cpuid(unsigned int op);
+int print_intel_core_msrs(void);
+int print_mchbar(struct pci_dev *nb);
+int print_pmbase(struct pci_dev *sb);
+int print_rcba(struct pci_dev *sb);
+int print_gpios(struct pci_dev *sb);
+int print_epbar(struct pci_dev *nb);
+int print_dmibar(struct pci_dev *nb);
+int print_pciexbar(struct pci_dev *nb);
+
diff --git a/util/inteltool/memory.c b/util/inteltool/memory.c
new file mode 100644 (file)
index 0000000..24a9f7c
--- /dev/null
@@ -0,0 +1,69 @@
+/*
+ * 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 <stdio.h>
+#include <stdlib.h>
+#include <sys/mman.h>
+
+#include "inteltool.h"
+
+/*
+ * (G)MCH MMIO Config Space
+ */
+int print_mchbar(struct pci_dev *nb)
+{
+       int i, size = (16 * 1024);
+       volatile uint8_t *mchbar;
+       uint32_t mchbar_phys;
+
+       printf("\n============= MCHBAR ============\n\n");
+
+       switch (nb->device_id) {
+       case PCI_DEVICE_ID_INTEL_82945GM:
+               mchbar_phys = pci_read_long(nb, 0x44) & 0xfffffffe;
+               break;
+       case 0x1234: // Dummy for non-existent functionality
+               printf("This northbrigde does not have MCHBAR.\n");
+               return 1;
+       default:
+               printf("Error: Dumping MCHBAR on this northbridge is not (yet) supported.\n");
+               return 1;
+       }
+
+       mchbar = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
+                     fd_mem, (off_t) mchbar_phys);
+       
+       if (mchbar == MAP_FAILED) {
+               perror("Error mapping MCHBAR");
+               exit(1);
+       }
+
+       printf("MCHBAR = 0x%08x (MEM)\n\n", mchbar_phys);
+
+       for (i = 0; i < size; i += 4) {
+               if (*(uint32_t *)(mchbar + i))
+                       printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(mchbar+i));
+       }
+
+       munmap((void *)mchbar, size);
+       return 0;
+}
+
+
diff --git a/util/inteltool/pcie.c b/util/inteltool/pcie.c
new file mode 100644 (file)
index 0000000..f62f78c
--- /dev/null
@@ -0,0 +1,199 @@
+/*
+ * 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 <stdio.h>
+#include <stdlib.h>
+#include <sys/mman.h>
+
+#include "inteltool.h"
+
+/*
+ * Egress Port Root Complex MMIO configuration space
+ */
+int print_epbar(struct pci_dev *nb)
+{
+       int i, size = (4 * 1024);
+       volatile uint8_t *epbar;
+       uint32_t epbar_phys;
+
+       printf("\n============= EPBAR =============\n\n");
+
+       switch (nb->device_id) {
+       case PCI_DEVICE_ID_INTEL_82945GM:
+               epbar_phys = pci_read_long(nb, 0x40) & 0xfffffffe;
+               break;
+       case 0x1234: // Dummy for non-existent functionality
+               printf("This northbrigde does not have EPBAR.\n");
+               return 1;
+       default:
+               printf("Error: Dumping EPBAR on this northbridge is not (yet) supported.\n");
+               return 1;
+       }
+
+       epbar = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
+                    fd_mem, (off_t) epbar_phys);
+       
+       if (epbar == MAP_FAILED) {
+               perror("Error mapping EPBAR");
+               exit(1);
+       }
+
+       printf("EPBAR = 0x%08x (MEM)\n\n", epbar_phys);
+       for (i = 0; i < size; i += 4) {
+               if (*(uint32_t *)(epbar + i))
+                       printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(epbar+i));
+       }
+
+       munmap((void *)epbar, size);
+       return 0;
+}
+
+/*
+ * MCH-ICH Serial Interconnect Ingress Root Complex MMIO configuration space
+ */
+int print_dmibar(struct pci_dev *nb)
+{
+       int i, size = (4 * 1024);
+       volatile uint8_t *dmibar;
+       uint32_t dmibar_phys;
+
+       printf("\n============= DMIBAR ============\n\n");
+
+       switch (nb->device_id) {
+       case PCI_DEVICE_ID_INTEL_82945GM:
+               dmibar_phys = pci_read_long(nb, 0x4c) & 0xfffffffe;
+               break;
+       case 0x1234: // Dummy for non-existent functionality
+               printf("This northbrigde does not have DMIBAR.\n");
+               return 1;
+       default:
+               printf("Error: Dumping DMIBAR on this northbridge is not (yet) supported.\n");
+               return 1;
+       }
+
+       dmibar = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
+                     fd_mem, (off_t) dmibar_phys);
+       
+       if (dmibar == MAP_FAILED) {
+               perror("Error mapping DMIBAR");
+               exit(1);
+       }
+
+       printf("DMIBAR = 0x%08x (MEM)\n\n", dmibar_phys);
+       for (i = 0; i < size; i += 4) {
+               if (*(uint32_t *)(dmibar + i))
+                       printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(dmibar+i));
+       }
+
+       munmap((void *)dmibar, size);
+       return 0;
+}
+
+/*
+ * PCIe MMIO configuration space
+ */
+int print_pciexbar(struct pci_dev *nb)
+{
+       uint32_t pciexbar_reg;
+       uint32_t pciexbar_phys;
+       volatile uint8_t *pciexbar;
+       int max_busses, devbase, i;
+       int bus, dev, fn;
+
+       printf("========= PCIEXBAR ========\n\n");
+
+       switch (nb->device_id) {
+       case PCI_DEVICE_ID_INTEL_82945GM:
+               pciexbar_reg = pci_read_long(nb, 0x48);
+               break;
+       case 0x1234: // Dummy for non-existent functionality
+               printf("Error: This northbrigde does not have PCIEXBAR.\n");
+               return 1;
+       default:
+               printf("Error: Dumping PCIEXBAR on this northbridge is not (yet) supported.\n");
+               return 1;
+       }
+
+       if (!(pciexbar_reg & (1 << 0))) {
+               printf("PCIEXBAR register is disabled.\n");
+               return 0;
+       }
+
+       switch ((pciexbar_reg >> 1) & 3) {
+       case 0: // 256MB
+               pciexbar_phys = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28));
+               max_busses = 256;
+               break;
+       case 1: // 128M
+               pciexbar_phys = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27));
+               max_busses = 128;
+               break;
+       case 2: // 64M
+               pciexbar_phys = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)|(1 << 26));
+               max_busses = 64;
+               break;
+       default: // RSVD
+               printf("Undefined address base. Bailing out.\n");
+               return 1;
+       }       
+
+       printf("PCIEXBAR: 0x%08x\n", pciexbar_phys);
+
+       pciexbar = mmap(0, (max_busses * 1024 * 1024), PROT_WRITE | PROT_READ,
+                       MAP_SHARED, fd_mem, (off_t) pciexbar_phys);
+       
+       if (pciexbar == MAP_FAILED) {
+               perror("Error mapping PCIEXBAR");
+               exit(1);
+       }
+       
+       for (bus = 0; bus < max_busses; bus++) {
+               for (dev = 0; dev < 32; dev++) {
+                       for (fn = 0; fn < 8; fn++) {
+                               devbase = (bus * 1024 * 1024) + (dev * 32 * 1024) + (fn * 4 * 1024);
+
+                               if (*(uint16_t *)(pciexbar + devbase) == 0xffff)
+                                       continue;
+                               
+                               /* This is a heuristics. Anyone got a better check? */
+                               if( (*(uint32_t *)(pciexbar + devbase + 256) == 0xffffffff) &&
+                                       (*(uint32_t *)(pciexbar + devbase + 512) == 0xffffffff) ) {
+#if DEBUG
+                                       printf("Skipped non-PCIe device %02x:%02x.%01x\n", bus, dev, fn);
+#endif
+                                       continue;
+                               }
+
+                               printf("\nPCIe %02x:%02x.%01x extended config space:", bus, dev, fn);
+                               for (i = 0; i < 4096; i++) {
+                                       if((i % 0x10) == 0)
+                                               printf("\n%04x:", i);
+                                       printf(" %02x", *(pciexbar+devbase+i));
+                               }
+                               printf("\n");
+                       }
+               }
+       }
+
+       munmap((void *)pciexbar, (max_busses * 1024 * 1024));
+
+       return 0;
+}
+
+
diff --git a/util/inteltool/powermgt.c b/util/inteltool/powermgt.c
new file mode 100644 (file)
index 0000000..d4c1d81
--- /dev/null
@@ -0,0 +1,56 @@
+/*
+ * inteltool - dump all registers on an Intel CPU + chipset based system.
+ *
+ * Copyright (C) 2008 by coresystems GmbH 
+ *  written by Stefan Reinauer <stepan@coresystems.de> 
+ * 
+ * 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 <stdio.h>
+#include <sys/io.h>
+
+#include "inteltool.h"
+
+int print_pmbase(struct pci_dev *sb)
+{
+       int i, size = 0x80;
+       uint16_t pmbase;
+
+       printf("\n============= PMBASE ============\n\n");
+
+       switch (sb->device_id) {
+       case PCI_DEVICE_ID_INTEL_ICH7:
+       case PCI_DEVICE_ID_INTEL_ICH7M:
+       case PCI_DEVICE_ID_INTEL_ICH7DH:
+       case PCI_DEVICE_ID_INTEL_ICH7MDH:
+               pmbase = pci_read_word(sb, 0x40) & 0xfffc;
+               break;
+       case 0x1234: // Dummy for non-existent functionality
+               printf("This southbridge does not have PMBASE.\n");
+               return 1;
+       default:
+               printf("Error: Dumping PMBASE on this southbridge is not (yet) supported.\n");
+               return 1;
+       }
+
+       printf("PMBASE = 0x%04x (IO)\n\n", pmbase);
+
+       for (i = 0; i < size; i += 4) {
+               printf("pmbase+0x%04x: 0x%08x\n", i, inl(pmbase + i));
+       }
+
+       return 0;
+}
+
diff --git a/util/inteltool/rootcmplx.c b/util/inteltool/rootcmplx.c
new file mode 100644 (file)
index 0000000..7e2b665
--- /dev/null
@@ -0,0 +1,79 @@
+/*
+ * inteltool - dump all registers on an Intel CPU + chipset based system.
+ *
+ * Copyright (C) 2008 by coresystems GmbH 
+ *  written by Stefan Reinauer <stepan@coresystems.de> 
+ * 
+ * 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 <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <getopt.h>
+#include <sys/mman.h>
+#include <sys/io.h>
+#include <pci/pci.h>
+
+#include "inteltool.h"
+
+int print_rcba(struct pci_dev *sb)
+{
+       int i, size = 0x4000;
+       volatile uint8_t *rcba;
+       uint32_t rcba_phys;
+
+       printf("\n============= RCBA ==============\n\n");
+
+       switch (sb->device_id) {
+       case PCI_DEVICE_ID_INTEL_ICH7:
+       case PCI_DEVICE_ID_INTEL_ICH7M:
+       case PCI_DEVICE_ID_INTEL_ICH7DH:
+       case PCI_DEVICE_ID_INTEL_ICH7MDH:
+               rcba_phys = pci_read_long(sb, 0xf0) & 0xfffffffe;
+               break;
+       case PCI_DEVICE_ID_INTEL_ICH:
+       case PCI_DEVICE_ID_INTEL_ICH0:
+       case PCI_DEVICE_ID_INTEL_ICH4:
+       case PCI_DEVICE_ID_INTEL_ICH4M:
+               printf("This southbridge does not have RCBA.\n");
+               return 1;
+       default:
+               printf("Error: Dumping RCBA on this southbridge is not (yet) supported.\n");
+               return 1;
+       }
+
+       rcba = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
+                   fd_mem, (off_t) rcba_phys);
+       
+       if (rcba == MAP_FAILED) {
+               perror("Error mapping RCBA");
+               exit(1);
+       }
+
+       printf("RCBA = 0x%08x (MEM)\n\n", rcba_phys);
+
+       for (i = 0; i < size; i += 4) {
+               if (*(uint32_t *)(rcba + i))
+                       printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(rcba + i));
+       }
+
+       munmap((void *)rcba, size);
+       return 0;
+}
+