summaryrefslogtreecommitdiff
path: root/util/inteltool/inteltool.c
blob: c6a835fd7e9a856ce75b6f050ca171d4d683269c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
/*
 * inteltool - dump all registers on an Intel CPU + chipset based system.
 *
 * Copyright (C) 2008-2010 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 <stdlib.h>
#include <getopt.h>
#include <fcntl.h>
#include <sys/mman.h>
#include "inteltool.h"

static const struct {
	uint16_t vendor_id, device_id;
	char *name;
} supported_chips_list[] = {
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443LX, "82443LX" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443BX, "82443BX" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443BX_NO_AGP, "82443BX without AGP" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82810, "i810" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82810DC, "i810-DC100" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82810E_MC, "i810E DC-133" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82830M, "i830M" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82845, "i845" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82915, "82915G/P/GV/GL/PL/910GL" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82945P, "i945P" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82945GM, "i945GM" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82945GSE, "i945GSE" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PM965, "PM965" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_Q965, "Q963/965" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82975X, "i975X" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82Q35, "Q35" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82G33, "P35/G33/G31/P31" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82Q33, "Q33" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_X58, "X58" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_GS45, "GS45ME" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ATOM_DXXX, "Atom D400/500 Series" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ATOM_NXXX, "Atom N400 Series" }, 
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SCH_POULSBO, "SCH Poulsbo" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SCH_POULSBO_LPC, "SCH Poulsbo" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH10R, "ICH10R" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9DH, "ICH9DH" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9DO, "ICH9DO" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9R, "ICH9R" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9, "ICH9" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9M, "ICH9M" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9ME, "ICH9M-E" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8M, "ICH8-M" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8, "ICH8" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_NM10, "NM10" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7MDH, "ICH7-M DH" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7M, "ICH7-M" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7, "ICH7" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7DH, "ICH7DH" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6, "ICH6" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH4M, "ICH4-M" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH4, "ICH4" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH2, "ICH2" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH0, "ICH0" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH, "ICH" },
	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371XX, "82371AB/EB/MB" },
};

#ifndef __DARWIN__
static int fd_mem;

void *map_physical(unsigned long 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%08lx[0x%x]\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 -- ", INTELTOOL_VERSION);
	printf("Copyright (C) 2008 coresystems GmbH\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?grpmedPMa]\n", name);
	printf("\n"
	     "   -v | --version:                   print the version\n"
	     "   -h | --help:                      print this help\n\n"
	     "   -g | --gpio:                      dump soutbridge GPIO registers\n"
	     "   -r | --rcba:                      dump soutbridge RCBA registers\n"
	     "   -p | --pmbase:                    dump soutbridge Power Management registers\n\n"
	     "   -m | --mchbar:                    dump northbridge Memory Controller registers\n"
	     "   -e | --epbar:                     dump northbridge EPBAR registers\n"
	     "   -d | --dmibar:                    dump northbridge DMIBAR registers\n"
	     "   -P | --pciexpress:                dump northbridge PCIEXBAR registers\n\n"
	     "   -M | --msrs:                      dump CPU MSRs\n"
	     "   -a | --all:                       dump all known registers\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_gpios = 0, dump_mchbar = 0, dump_rcba = 0;
	int dump_pmbase = 0, dump_epbar = 0, dump_dmibar = 0;
	int dump_pciexbar = 0, dump_coremsrs = 0;

	static struct option long_options[] = {
		{"version", 0, 0, 'v'},
		{"help", 0, 0, 'h'},
		{"gpios", 0, 0, 'g'},
		{"mchbar", 0, 0, 'm'},
		{"rcba", 0, 0, 'r'},
		{"pmbase", 0, 0, 'p'},
		{"epbar", 0, 0, 'e'},
		{"dmibar", 0, 0, 'd'},
		{"pciexpress", 0, 0, 'P'},
		{"msrs", 0, 0, 'M'},
		{"all", 0, 0, 'a'},
		{0, 0, 0, 0}
	};

	while ((opt = getopt_long(argc, argv, "vh?grpmedPMa",
                                  long_options, &option_index)) != EOF) {
		switch (opt) {
		case 'v':
			print_version();
			exit(0);
			break;
		case 'g':
			dump_gpios = 1;
			break;
		case 'm':
			dump_mchbar = 1;
			break;
		case 'r':
			dump_rcba = 1;
			break;
		case 'p':
			dump_pmbase = 1;
			break;
		case 'e':
			dump_epbar = 1;
			break;
		case 'd':
			dump_dmibar = 1;
			break;
		case 'P':
			dump_pciexbar = 1;
			break;
		case 'M':
			dump_coremsrs = 1;
			break;
		case 'a':
			dump_gpios = 1;
			dump_mchbar = 1;
			dump_rcba = 1;
			dump_pmbase = 1;
			dump_epbar = 1;
			dump_dmibar = 1;
			dump_pciexbar = 1;
			dump_coremsrs = 1;
			break;
		case 'h':
		case '?':
		default:
			print_usage(argv[0]);
			exit(0);
			break;
		}
	}

	if (iopl(3)) {
		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_INTEL) {
		printf("Not an Intel(R) 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_INTEL) {
		printf("Not an Intel(R) 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("Intel 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("Intel Northbridge: %04x:%04x (%s)\n",
		nb->vendor_id, nb->device_id, nbname);

	printf("Intel Southbridge: %04x:%04x (%s)\n",
		sb->vendor_id, sb->device_id, sbname);

	/* Now do the deed */

	if (dump_gpios) {
		print_gpios(sb);
		printf("\n\n");
	}

	if (dump_rcba) {
		print_rcba(sb);
		printf("\n\n");
	}

	if (dump_pmbase) {
		print_pmbase(sb);
		printf("\n\n");
	}

	if (dump_mchbar) {
		print_mchbar(nb);
		printf("\n\n");
	}

	if (dump_epbar) {
		print_epbar(nb);
		printf("\n\n");
	}

	if (dump_dmibar) {
		print_dmibar(nb);
		printf("\n\n");
	}

	if (dump_pciexbar) {
		print_pciexbar(nb);
		printf("\n\n");
	}

	if (dump_coremsrs) {
		print_intel_core_msrs();
		printf("\n\n");
	}

	/* Clean up */
	pci_free_dev(nb);
	// pci_free_dev(sb); // TODO: glibc detected "double free or corruption"
	pci_cleanup(pacc);

	return 0;
}