summaryrefslogtreecommitdiff
path: root/util/viatool/viatool.c
diff options
context:
space:
mode:
Diffstat (limited to 'util/viatool/viatool.c')
-rw-r--r--util/viatool/viatool.c256
1 files changed, 256 insertions, 0 deletions
diff --git a/util/viatool/viatool.c b/util/viatool/viatool.c
new file mode 100644
index 0000000000..3f19f2819c
--- /dev/null
+++ b/util/viatool/viatool.c
@@ -0,0 +1,256 @@
+/*
+ * viatool - dump all registers on an Intel CPU + chipset based system.
+ *
+ * Copyright (C) 2008-2010 by coresystems GmbH
+ * written by Stefan Reinauer <stepan@coresystems.de>
+ * Copyright (C) 2009 Carl-Daniel Hailfinger
+ * Copyright (C) 2013 Alexandru Gagniuc
+ *
+ * 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 <inttypes.h>
+#include <getopt.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <unistd.h>
+#include "viatool.h"
+
+/*
+ * http://pci-ids.ucw.cz/read/PC/8086
+ * http://en.wikipedia.org/wiki/Intel_Tick-Tock
+ * http://en.wikipedia.org/wiki/List_of_Intel_chipsets
+ * http://en.wikipedia.org/wiki/Intel_Xeon_chipsets
+ */
+static const struct {
+ uint16_t vendor_id, device_id;
+ char *name;
+} supported_chips_list[] = {
+ { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX900_SATA, "VX900 SATA"},
+ /* Host bridges/DRAM controllers (Northbridges) */
+ { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX900, "VX900"},
+ /* Southbridges (LPC controllers) */
+ { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX900_LPC, "VX900" },
+};
+
+#ifndef __DARWIN__
+static int fd_mem;
+
+void *map_physical(uint64_t phys_addr, size_t len)
+{
+ void *virt_addr;
+
+ virt_addr = mmap(0, len, PROT_WRITE | PROT_READ, MAP_SHARED,
+ fd_mem, (off_t) phys_addr);
+
+ if (virt_addr == MAP_FAILED) {
+ printf("Error mapping physical memory 0x%08" PRIx64 "[0x%zx]\n",
+ phys_addr, len);
+ return NULL;
+ }
+
+ return virt_addr;
+}
+
+void unmap_physical(void *virt_addr, size_t len)
+{
+ munmap(virt_addr, len);
+}
+#endif
+
+void print_version(void)
+{
+ printf("inteltool v%s -- ", VIATOOL_VERSION);
+ printf("Copyright (C) 2013 Alexandru Gagniuc\n\n");
+ printf(
+ "This program is free software: you can redistribute it and/or modify\n"
+ "it under the terms of the GNU General Public License as published by\n"
+ "the Free Software Foundation, version 2 of the License.\n\n"
+ "This program is distributed in the hope that it will be useful,\n"
+ "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+ "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
+ "GNU General Public License for more details.\n\n"
+ "You should have received a copy of the GNU General Public License\n"
+ "along with this program. If not, see <http://www.gnu.org/licenses/>.\n\n");
+}
+
+void print_usage(const char *name)
+{
+ printf("usage: %s [-vh?gGrpmedPMa]\n", name);
+ printf("\n"
+ " -v | --version: print the version\n"
+ " -h | --help: print this help\n\n"
+ " -M | --msrs: dump CPU MSRs\n"
+ " -a | --all: dump all known registers\n"
+ " -q | --quirks: dump hierarchical configs\n"
+ "\n");
+ exit(1);
+}
+
+int main(int argc, char *argv[])
+{
+ struct pci_access *pacc;
+ struct pci_dev *sb = NULL, *nb, *dev;
+ int i, opt, option_index = 0;
+ unsigned int id;
+
+ char *sbname = "unknown", *nbname = "unknown";
+
+ int dump_coremsrs = 0, dump_quirks = 0;
+
+ static struct option long_options[] = {
+ {"version", 0, 0, 'v'},
+ {"help", 0, 0, 'h'},
+ {"mchbar", 0, 0, 'm'},
+ {"msrs", 0, 0, 'M'},
+ {"quirks", 0, 0, 'q'},
+ {"all", 0, 0, 'a'},
+ {0, 0, 0, 0}
+ };
+
+ while ((opt = getopt_long(argc, argv, "vh?gGrpmedPMaA",
+ long_options, &option_index)) != EOF) {
+ switch (opt) {
+ case 'v':
+ print_version();
+ exit(0);
+ break;
+ case 'M':
+ dump_coremsrs = 1;
+ break;
+ case 'q':
+ dump_quirks = 1;
+ break;
+ case 'a':
+ dump_coremsrs = 1;
+ dump_quirks = 1;
+ break;
+ case 'h':
+ case '?':
+ default:
+ print_usage(argv[0]);
+ exit(0);
+ break;
+ }
+ }
+
+#if defined(__FreeBSD__)
+ if (open("/dev/io", O_RDWR) < 0) {
+ perror("/dev/io");
+#else
+ if (iopl(3)) {
+ perror("iopl");
+#endif
+ printf("You need to be root.\n");
+ exit(1);
+ }
+
+#ifndef __DARWIN__
+ if ((fd_mem = open("/dev/mem", O_RDWR)) < 0) {
+ perror("Can not open /dev/mem");
+ exit(1);
+ }
+#endif
+
+ pacc = pci_alloc();
+ pci_init(pacc);
+ pci_scan_bus(pacc);
+
+ /* Find the required devices */
+ for (dev = pacc->devices; dev; dev = dev->next) {
+ pci_fill_info(dev, PCI_FILL_CLASS);
+ /* The ISA/LPC bridge can be 0x1f, 0x07, or 0x04 so we probe. */
+ if (dev->device_class == 0x0601) { /* ISA/LPC bridge */
+ if (sb == NULL)
+ sb = dev;
+ else
+ fprintf(stderr, "Multiple devices with class ID"
+ " 0x0601, using %02x%02x:%02x.%02x\n",
+ dev->domain, dev->bus, dev->dev,
+ dev->func);
+ }
+ }
+
+ if (!sb) {
+ printf("No southbridge found.\n");
+ exit(1);
+ }
+
+ pci_fill_info(sb, PCI_FILL_IDENT|PCI_FILL_BASES|PCI_FILL_SIZES|PCI_FILL_CLASS);
+
+ if (sb->vendor_id != PCI_VENDOR_ID_VIA) {
+ printf("Not a VIA southbridge.\n");
+ exit(1);
+ }
+
+ nb = pci_get_dev(pacc, 0, 0, 0x00, 0);
+ if (!nb) {
+ printf("No northbridge found.\n");
+ exit(1);
+ }
+
+ pci_fill_info(nb, PCI_FILL_IDENT|PCI_FILL_BASES|PCI_FILL_SIZES|PCI_FILL_CLASS);
+
+ if (nb->vendor_id != PCI_VENDOR_ID_VIA) {
+ printf("Not a VIA northbridge.\n");
+ exit(1);
+ }
+
+ id = cpuid(1);
+
+ /* Intel has suggested applications to display the family of a CPU as
+ * the sum of the "Family" and the "Extended Family" fields shown
+ * above, and the model as the sum of the "Model" and the 4-bit
+ * left-shifted "Extended Model" fields.
+ * http://download.intel.com/design/processor/applnots/24161832.pdf
+ */
+ printf("CPU: Processor Type: %x, Family %x, Model %x, Stepping %x\n",
+ (id >> 12) & 0x3, ((id >> 8) & 0xf) + ((id >> 20) & 0xff),
+ ((id >> 12) & 0xf0) + ((id >> 4) & 0xf), (id & 0xf));
+
+ /* Determine names */
+ for (i = 0; i < ARRAY_SIZE(supported_chips_list); i++)
+ if (nb->device_id == supported_chips_list[i].device_id)
+ nbname = supported_chips_list[i].name;
+ for (i = 0; i < ARRAY_SIZE(supported_chips_list); i++)
+ if (sb->device_id == supported_chips_list[i].device_id)
+ sbname = supported_chips_list[i].name;
+
+ printf("Northbridge: %04x:%04x (%s)\n",
+ nb->vendor_id, nb->device_id, nbname);
+
+ printf("Southbridge: %04x:%04x (%s)\n",
+ sb->vendor_id, sb->device_id, sbname);
+
+ /* Now do the deed */
+
+ if (dump_coremsrs) {
+ print_intel_core_msrs();
+ printf("\n\n");
+ }
+
+ if (dump_quirks) {
+ print_quirks_north(nb, pacc);
+ print_quirks_south(sb, pacc);
+ }
+
+ /* Clean up */
+ pci_free_dev(nb);
+ // pci_free_dev(sb); // TODO: glibc detected "double free or corruption"
+ pci_cleanup(pacc);
+
+ return 0;
+}