263 lines
6.6 KiB
C
263 lines
6.6 KiB
C
/*
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* viatool - dump all registers on an Intel CPU + chipset based system.
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*
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* Copyright (C) 2008-2010 by coresystems GmbH
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* written by Stefan Reinauer <stepan@coresystems.de>
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* Copyright (C) 2009 Carl-Daniel Hailfinger
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* Copyright (C) 2013 Alexandru Gagniuc
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include <getopt.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#include "viatool.h"
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#ifdef __NetBSD__
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#include <machine/sysarch.h>
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#endif
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/*
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* http://pci-ids.ucw.cz/read/PC/8086
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* http://en.wikipedia.org/wiki/Intel_Tick-Tock
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* http://en.wikipedia.org/wiki/List_of_Intel_chipsets
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* http://en.wikipedia.org/wiki/Intel_Xeon_chipsets
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*/
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static const struct {
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uint16_t vendor_id, device_id;
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char *name;
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} supported_chips_list[] = {
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{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX900_SATA, "VX900 SATA"},
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/* Host bridges/DRAM controllers (Northbridges) */
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{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX900, "VX900"},
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/* Southbridges (LPC controllers) */
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{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX900_LPC, "VX900" },
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};
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#ifndef __DARWIN__
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static int fd_mem;
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void *map_physical(uint64_t phys_addr, size_t len)
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{
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void *virt_addr;
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virt_addr = mmap(0, len, PROT_WRITE | PROT_READ, MAP_SHARED,
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fd_mem, (off_t) phys_addr);
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if (virt_addr == MAP_FAILED) {
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printf("Error mapping physical memory 0x%08" PRIx64 "[0x%zx]\n",
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phys_addr, len);
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return NULL;
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}
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return virt_addr;
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}
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void unmap_physical(void *virt_addr, size_t len)
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{
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munmap(virt_addr, len);
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}
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#endif
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void print_version(void)
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{
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printf("inteltool v%s -- ", VIATOOL_VERSION);
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printf("Copyright (C) 2013 Alexandru Gagniuc\n\n");
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printf(
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"This program is free software: you can redistribute it and/or modify\n"
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"it under the terms of the GNU General Public License as published by\n"
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"the Free Software Foundation, version 2 of the License.\n\n"
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"This program is distributed in the hope that it will be useful,\n"
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"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
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"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
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"GNU General Public License for more details.\n\n");
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}
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void print_usage(const char *name)
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{
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printf("usage: %s [-vh?gGrpmedPMa]\n", name);
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printf("\n"
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" -v | --version: print the version\n"
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" -h | --help: print this help\n\n"
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" -M | --msrs: dump CPU MSRs\n"
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" -a | --all: dump all known registers\n"
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" -q | --quirks: dump hierarchical configs\n"
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"\n");
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exit(1);
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}
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int main(int argc, char *argv[])
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{
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struct pci_access *pacc;
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struct pci_dev *sb = NULL, *nb, *dev;
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int i, opt, option_index = 0;
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unsigned int id;
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char *sbname = "unknown", *nbname = "unknown";
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int dump_coremsrs = 0, dump_quirks = 0;
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static struct option long_options[] = {
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{"version", 0, 0, 'v'},
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{"help", 0, 0, 'h'},
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{"mchbar", 0, 0, 'm'},
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{"msrs", 0, 0, 'M'},
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{"quirks", 0, 0, 'q'},
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{"all", 0, 0, 'a'},
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{0, 0, 0, 0}
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};
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while ((opt = getopt_long(argc, argv, "vh?gGrpmedPMaA",
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long_options, &option_index)) != EOF) {
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switch (opt) {
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case 'v':
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print_version();
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exit(0);
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break;
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case 'M':
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dump_coremsrs = 1;
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break;
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case 'q':
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dump_quirks = 1;
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break;
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case 'a':
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dump_coremsrs = 1;
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dump_quirks = 1;
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break;
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case 'h':
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case '?':
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default:
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print_usage(argv[0]);
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exit(0);
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break;
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}
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}
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#if defined(__FreeBSD__)
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if (open("/dev/io", O_RDWR) < 0) {
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perror("/dev/io");
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#elif defined(__NetBSD__)
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# ifdef __i386__
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if (i386_iopl(3)) {
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perror("iopl");
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# else
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if (x86_64_iopl(3)) {
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perror("iopl");
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# endif
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#else
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if (iopl(3)) {
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perror("iopl");
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#endif
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printf("You need to be root.\n");
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exit(1);
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}
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#ifndef __DARWIN__
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if ((fd_mem = open("/dev/mem", O_RDWR)) < 0) {
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perror("Can not open /dev/mem");
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exit(1);
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}
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#endif
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pacc = pci_alloc();
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pci_init(pacc);
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pci_scan_bus(pacc);
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/* Find the required devices */
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for (dev = pacc->devices; dev; dev = dev->next) {
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pci_fill_info(dev, PCI_FILL_CLASS);
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/* The ISA/LPC bridge can be 0x1f, 0x07, or 0x04 so we probe. */
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if (dev->device_class == 0x0601) { /* ISA/LPC bridge */
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if (sb == NULL)
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sb = dev;
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else
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fprintf(stderr, "Multiple devices with class ID"
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" 0x0601, using %02x%02x:%02x.%02x\n",
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dev->domain, dev->bus, dev->dev,
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dev->func);
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}
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}
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if (!sb) {
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printf("No southbridge found.\n");
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exit(1);
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}
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pci_fill_info(sb, PCI_FILL_IDENT|PCI_FILL_BASES|PCI_FILL_SIZES|PCI_FILL_CLASS);
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if (sb->vendor_id != PCI_VENDOR_ID_VIA) {
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printf("Not a VIA southbridge.\n");
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exit(1);
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}
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nb = pci_get_dev(pacc, 0, 0, 0x00, 0);
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if (!nb) {
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printf("No northbridge found.\n");
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exit(1);
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}
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pci_fill_info(nb, PCI_FILL_IDENT|PCI_FILL_BASES|PCI_FILL_SIZES|PCI_FILL_CLASS);
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if (nb->vendor_id != PCI_VENDOR_ID_VIA) {
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printf("Not a VIA northbridge.\n");
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exit(1);
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}
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id = cpuid(1);
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/* Intel has suggested applications to display the family of a CPU as
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* the sum of the "Family" and the "Extended Family" fields shown
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* above, and the model as the sum of the "Model" and the 4-bit
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* left-shifted "Extended Model" fields.
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* http://download.intel.com/design/processor/applnots/24161832.pdf
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*/
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printf("CPU: Processor Type: %x, Family %x, Model %x, Stepping %x\n",
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(id >> 12) & 0x3, ((id >> 8) & 0xf) + ((id >> 20) & 0xff),
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((id >> 12) & 0xf0) + ((id >> 4) & 0xf), (id & 0xf));
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/* Determine names */
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for (i = 0; i < ARRAY_SIZE(supported_chips_list); i++)
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if (nb->device_id == supported_chips_list[i].device_id)
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nbname = supported_chips_list[i].name;
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for (i = 0; i < ARRAY_SIZE(supported_chips_list); i++)
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if (sb->device_id == supported_chips_list[i].device_id)
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sbname = supported_chips_list[i].name;
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printf("Northbridge: %04x:%04x (%s)\n",
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nb->vendor_id, nb->device_id, nbname);
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printf("Southbridge: %04x:%04x (%s)\n",
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sb->vendor_id, sb->device_id, sbname);
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/* Now do the deed */
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if (dump_coremsrs) {
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print_intel_core_msrs();
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printf("\n\n");
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}
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if (dump_quirks) {
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print_quirks_north(nb, pacc);
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print_quirks_south(sb, pacc);
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}
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/* Clean up */
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pci_free_dev(nb);
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// pci_free_dev(sb); // TODO: glibc detected "double free or corruption"
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pci_cleanup(pacc);
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return 0;
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}
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