blob: 491b8b1b6abf326cd1e018c813d14fbbd0402e0b [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* Simple code to turn various tables in an ELF file into alias definitions.
2 * This deals with kernel datastructures where they should be
3 * dealt with: in the kernel source.
4 *
5 * Copyright 2002-2003 Rusty Russell, IBM Corporation
6 * 2003 Kai Germaschewski
7 *
8 *
9 * This software may be used and distributed according to the terms
10 * of the GNU General Public License, incorporated herein by reference.
11 */
12
13#include "modpost.h"
14
15/* We use the ELF typedefs for kernel_ulong_t but bite the bullet and
16 * use either stdint.h or inttypes.h for the rest. */
17#if KERNEL_ELFCLASS == ELFCLASS32
18typedef Elf32_Addr kernel_ulong_t;
Rusty Russell1d8f4302005-12-07 21:40:34 +010019#define BITS_PER_LONG 32
Linus Torvalds1da177e2005-04-16 15:20:36 -070020#else
21typedef Elf64_Addr kernel_ulong_t;
Rusty Russell1d8f4302005-12-07 21:40:34 +010022#define BITS_PER_LONG 64
Linus Torvalds1da177e2005-04-16 15:20:36 -070023#endif
24#ifdef __sun__
25#include <inttypes.h>
26#else
27#include <stdint.h>
28#endif
29
Jeff Mahoney5e655772005-07-06 15:44:41 -040030#include <ctype.h>
31
Linus Torvalds1da177e2005-04-16 15:20:36 -070032typedef uint32_t __u32;
33typedef uint16_t __u16;
34typedef unsigned char __u8;
35
36/* Big exception to the "don't include kernel headers into userspace, which
Sam Ravnborg62070fa2006-03-03 16:46:04 +010037 * even potentially has different endianness and word sizes, since
Linus Torvalds1da177e2005-04-16 15:20:36 -070038 * we handle those differences explicitly below */
39#include "../../include/linux/mod_devicetable.h"
40
41#define ADD(str, sep, cond, field) \
42do { \
43 strcat(str, sep); \
44 if (cond) \
45 sprintf(str + strlen(str), \
46 sizeof(field) == 1 ? "%02X" : \
47 sizeof(field) == 2 ? "%04X" : \
48 sizeof(field) == 4 ? "%08X" : "", \
49 field); \
50 else \
51 sprintf(str + strlen(str), "*"); \
52} while(0)
53
Jean Delvareac551822008-05-02 20:37:21 +020054/* Always end in a wildcard, for future extension */
55static inline void add_wildcard(char *str)
56{
57 int len = strlen(str);
58
59 if (str[len - 1] != '*')
60 strcat(str + len, "*");
61}
62
Sam Ravnborg4ce6efe2008-03-23 21:38:54 +010063unsigned int cross_build = 0;
Sam Ravnborgfb33d812006-07-09 16:26:07 +020064/**
65 * Check that sizeof(device_id type) are consistent with size of section
66 * in .o file. If in-consistent then userspace and kernel does not agree
67 * on actual size which is a bug.
Kees Cooke0049822007-09-16 11:15:46 +020068 * Also verify that the final entry in the table is all zeros.
Sam Ravnborg4ce6efe2008-03-23 21:38:54 +010069 * Ignore both checks if build host differ from target host and size differs.
Sam Ravnborgfb33d812006-07-09 16:26:07 +020070 **/
Kees Cooke0049822007-09-16 11:15:46 +020071static void device_id_check(const char *modname, const char *device_id,
72 unsigned long size, unsigned long id_size,
73 void *symval)
Sam Ravnborgfb33d812006-07-09 16:26:07 +020074{
Kees Cooke0049822007-09-16 11:15:46 +020075 int i;
76
Sam Ravnborgfb33d812006-07-09 16:26:07 +020077 if (size % id_size || size < id_size) {
Sam Ravnborg4ce6efe2008-03-23 21:38:54 +010078 if (cross_build != 0)
79 return;
Sam Ravnborgfb33d812006-07-09 16:26:07 +020080 fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo "
81 "of the size of section __mod_%s_device_table=%lu.\n"
82 "Fix definition of struct %s_device_id "
83 "in mod_devicetable.h\n",
84 modname, device_id, id_size, device_id, size, device_id);
85 }
Kees Cooke0049822007-09-16 11:15:46 +020086 /* Verify last one is a terminator */
87 for (i = 0; i < id_size; i++ ) {
88 if (*(uint8_t*)(symval+size-id_size+i)) {
89 fprintf(stderr,"%s: struct %s_device_id is %lu bytes. "
90 "The last of %lu is:\n",
91 modname, device_id, id_size, size / id_size);
92 for (i = 0; i < id_size; i++ )
93 fprintf(stderr,"0x%02x ",
94 *(uint8_t*)(symval+size-id_size+i) );
95 fprintf(stderr,"\n");
96 fatal("%s: struct %s_device_id is not terminated "
97 "with a NULL entry!\n", modname, device_id);
98 }
99 }
Sam Ravnborgfb33d812006-07-09 16:26:07 +0200100}
101
Roman Kaganb19dcd92005-04-22 15:07:01 -0700102/* USB is special because the bcdDevice can be matched against a numeric range */
103/* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipN" */
104static void do_usb_entry(struct usb_device_id *id,
105 unsigned int bcdDevice_initial, int bcdDevice_initial_digits,
106 unsigned char range_lo, unsigned char range_hi,
107 struct module *mod)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108{
Roman Kaganb19dcd92005-04-22 15:07:01 -0700109 char alias[500];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110 strcpy(alias, "usb:");
111 ADD(alias, "v", id->match_flags&USB_DEVICE_ID_MATCH_VENDOR,
112 id->idVendor);
113 ADD(alias, "p", id->match_flags&USB_DEVICE_ID_MATCH_PRODUCT,
114 id->idProduct);
Roman Kaganb19dcd92005-04-22 15:07:01 -0700115
116 strcat(alias, "d");
117 if (bcdDevice_initial_digits)
118 sprintf(alias + strlen(alias), "%0*X",
119 bcdDevice_initial_digits, bcdDevice_initial);
120 if (range_lo == range_hi)
121 sprintf(alias + strlen(alias), "%u", range_lo);
122 else if (range_lo > 0 || range_hi < 9)
123 sprintf(alias + strlen(alias), "[%u-%u]", range_lo, range_hi);
124 if (bcdDevice_initial_digits < (sizeof(id->bcdDevice_lo) * 2 - 1))
125 strcat(alias, "*");
126
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127 ADD(alias, "dc", id->match_flags&USB_DEVICE_ID_MATCH_DEV_CLASS,
128 id->bDeviceClass);
129 ADD(alias, "dsc",
130 id->match_flags&USB_DEVICE_ID_MATCH_DEV_SUBCLASS,
131 id->bDeviceSubClass);
132 ADD(alias, "dp",
133 id->match_flags&USB_DEVICE_ID_MATCH_DEV_PROTOCOL,
134 id->bDeviceProtocol);
135 ADD(alias, "ic",
136 id->match_flags&USB_DEVICE_ID_MATCH_INT_CLASS,
137 id->bInterfaceClass);
138 ADD(alias, "isc",
139 id->match_flags&USB_DEVICE_ID_MATCH_INT_SUBCLASS,
140 id->bInterfaceSubClass);
141 ADD(alias, "ip",
142 id->match_flags&USB_DEVICE_ID_MATCH_INT_PROTOCOL,
143 id->bInterfaceProtocol);
Roman Kaganb19dcd92005-04-22 15:07:01 -0700144
Jean Delvareac551822008-05-02 20:37:21 +0200145 add_wildcard(alias);
Roman Kaganb19dcd92005-04-22 15:07:01 -0700146 buf_printf(&mod->dev_table_buf,
147 "MODULE_ALIAS(\"%s\");\n", alias);
148}
149
150static void do_usb_entry_multi(struct usb_device_id *id, struct module *mod)
151{
152 unsigned int devlo, devhi;
153 unsigned char chi, clo;
154 int ndigits;
155
156 id->match_flags = TO_NATIVE(id->match_flags);
157 id->idVendor = TO_NATIVE(id->idVendor);
158 id->idProduct = TO_NATIVE(id->idProduct);
159
160 devlo = id->match_flags & USB_DEVICE_ID_MATCH_DEV_LO ?
161 TO_NATIVE(id->bcdDevice_lo) : 0x0U;
162 devhi = id->match_flags & USB_DEVICE_ID_MATCH_DEV_HI ?
163 TO_NATIVE(id->bcdDevice_hi) : ~0x0U;
164
165 /*
166 * Some modules (visor) have empty slots as placeholder for
167 * run-time specification that results in catch-all alias
168 */
Greg Kroah-Hartmande6f92b2008-01-28 09:50:12 -0800169 if (!(id->idVendor | id->idProduct | id->bDeviceClass | id->bInterfaceClass))
Roman Kaganb19dcd92005-04-22 15:07:01 -0700170 return;
171
172 /* Convert numeric bcdDevice range into fnmatch-able pattern(s) */
173 for (ndigits = sizeof(id->bcdDevice_lo) * 2 - 1; devlo <= devhi; ndigits--) {
174 clo = devlo & 0xf;
175 chi = devhi & 0xf;
176 if (chi > 9) /* it's bcd not hex */
177 chi = 9;
178 devlo >>= 4;
179 devhi >>= 4;
180
181 if (devlo == devhi || !ndigits) {
182 do_usb_entry(id, devlo, ndigits, clo, chi, mod);
183 break;
184 }
185
186 if (clo > 0)
187 do_usb_entry(id, devlo++, ndigits, clo, 9, mod);
188
189 if (chi < 9)
190 do_usb_entry(id, devhi--, ndigits, 0, chi, mod);
191 }
192}
193
194static void do_usb_table(void *symval, unsigned long size,
195 struct module *mod)
196{
197 unsigned int i;
198 const unsigned long id_size = sizeof(struct usb_device_id);
199
Kees Cooke0049822007-09-16 11:15:46 +0200200 device_id_check(mod->name, "usb", size, id_size, symval);
Sam Ravnborgfb33d812006-07-09 16:26:07 +0200201
Roman Kaganb19dcd92005-04-22 15:07:01 -0700202 /* Leave last one: it's the terminator. */
203 size -= id_size;
204
205 for (i = 0; i < size; i += id_size)
206 do_usb_entry_multi(symval + i, mod);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700207}
208
Jiri Slabye8c84f92008-05-19 15:50:01 +0200209/* Looks like: hid:bNvNpN */
210static int do_hid_entry(const char *filename,
211 struct hid_device_id *id, char *alias)
212{
213 id->vendor = TO_NATIVE(id->vendor);
214 id->product = TO_NATIVE(id->product);
215
216 sprintf(alias, "hid:b%04X", id->bus);
217 ADD(alias, "v", id->vendor != HID_ANY_ID, id->vendor);
218 ADD(alias, "p", id->product != HID_ANY_ID, id->product);
219
220 return 1;
221}
222
Linus Torvalds1da177e2005-04-16 15:20:36 -0700223/* Looks like: ieee1394:venNmoNspNverN */
224static int do_ieee1394_entry(const char *filename,
225 struct ieee1394_device_id *id, char *alias)
226{
227 id->match_flags = TO_NATIVE(id->match_flags);
228 id->vendor_id = TO_NATIVE(id->vendor_id);
229 id->model_id = TO_NATIVE(id->model_id);
230 id->specifier_id = TO_NATIVE(id->specifier_id);
231 id->version = TO_NATIVE(id->version);
232
233 strcpy(alias, "ieee1394:");
234 ADD(alias, "ven", id->match_flags & IEEE1394_MATCH_VENDOR_ID,
235 id->vendor_id);
236 ADD(alias, "mo", id->match_flags & IEEE1394_MATCH_MODEL_ID,
237 id->model_id);
238 ADD(alias, "sp", id->match_flags & IEEE1394_MATCH_SPECIFIER_ID,
239 id->specifier_id);
240 ADD(alias, "ver", id->match_flags & IEEE1394_MATCH_VERSION,
241 id->version);
242
Jean Delvareac551822008-05-02 20:37:21 +0200243 add_wildcard(alias);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700244 return 1;
245}
246
247/* Looks like: pci:vNdNsvNsdNbcNscNiN. */
248static int do_pci_entry(const char *filename,
249 struct pci_device_id *id, char *alias)
250{
251 /* Class field can be divided into these three. */
252 unsigned char baseclass, subclass, interface,
253 baseclass_mask, subclass_mask, interface_mask;
254
255 id->vendor = TO_NATIVE(id->vendor);
256 id->device = TO_NATIVE(id->device);
257 id->subvendor = TO_NATIVE(id->subvendor);
258 id->subdevice = TO_NATIVE(id->subdevice);
259 id->class = TO_NATIVE(id->class);
260 id->class_mask = TO_NATIVE(id->class_mask);
261
262 strcpy(alias, "pci:");
263 ADD(alias, "v", id->vendor != PCI_ANY_ID, id->vendor);
264 ADD(alias, "d", id->device != PCI_ANY_ID, id->device);
265 ADD(alias, "sv", id->subvendor != PCI_ANY_ID, id->subvendor);
266 ADD(alias, "sd", id->subdevice != PCI_ANY_ID, id->subdevice);
267
268 baseclass = (id->class) >> 16;
269 baseclass_mask = (id->class_mask) >> 16;
270 subclass = (id->class) >> 8;
271 subclass_mask = (id->class_mask) >> 8;
272 interface = id->class;
273 interface_mask = id->class_mask;
274
275 if ((baseclass_mask != 0 && baseclass_mask != 0xFF)
276 || (subclass_mask != 0 && subclass_mask != 0xFF)
277 || (interface_mask != 0 && interface_mask != 0xFF)) {
Sam Ravnborgcb805142006-01-28 16:57:26 +0100278 warn("Can't handle masks in %s:%04X\n",
279 filename, id->class_mask);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700280 return 0;
281 }
282
283 ADD(alias, "bc", baseclass_mask == 0xFF, baseclass);
284 ADD(alias, "sc", subclass_mask == 0xFF, subclass);
285 ADD(alias, "i", interface_mask == 0xFF, interface);
Jean Delvareac551822008-05-02 20:37:21 +0200286 add_wildcard(alias);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700287 return 1;
288}
289
Sam Ravnborg62070fa2006-03-03 16:46:04 +0100290/* looks like: "ccw:tNmNdtNdmN" */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700291static int do_ccw_entry(const char *filename,
292 struct ccw_device_id *id, char *alias)
293{
294 id->match_flags = TO_NATIVE(id->match_flags);
295 id->cu_type = TO_NATIVE(id->cu_type);
296 id->cu_model = TO_NATIVE(id->cu_model);
297 id->dev_type = TO_NATIVE(id->dev_type);
298 id->dev_model = TO_NATIVE(id->dev_model);
299
300 strcpy(alias, "ccw:");
301 ADD(alias, "t", id->match_flags&CCW_DEVICE_ID_MATCH_CU_TYPE,
302 id->cu_type);
303 ADD(alias, "m", id->match_flags&CCW_DEVICE_ID_MATCH_CU_MODEL,
304 id->cu_model);
305 ADD(alias, "dt", id->match_flags&CCW_DEVICE_ID_MATCH_DEVICE_TYPE,
306 id->dev_type);
Bastian Blankde1d9c02006-03-06 15:43:00 -0800307 ADD(alias, "dm", id->match_flags&CCW_DEVICE_ID_MATCH_DEVICE_MODEL,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700308 id->dev_model);
Jean Delvareac551822008-05-02 20:37:21 +0200309 add_wildcard(alias);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700310 return 1;
311}
312
Martin Schwidefsky1534c382006-09-20 15:58:25 +0200313/* looks like: "ap:tN" */
314static int do_ap_entry(const char *filename,
315 struct ap_device_id *id, char *alias)
316{
Jean Delvareac551822008-05-02 20:37:21 +0200317 sprintf(alias, "ap:t%02X*", id->dev_type);
Martin Schwidefsky1534c382006-09-20 15:58:25 +0200318 return 1;
319}
320
Cornelia Huck7e9db9e2008-07-14 09:58:44 +0200321/* looks like: "css:tN" */
322static int do_css_entry(const char *filename,
323 struct css_device_id *id, char *alias)
324{
325 sprintf(alias, "css:t%01X", id->type);
326 return 1;
327}
328
Linus Torvalds1da177e2005-04-16 15:20:36 -0700329/* Looks like: "serio:tyNprNidNexN" */
330static int do_serio_entry(const char *filename,
331 struct serio_device_id *id, char *alias)
332{
333 id->type = TO_NATIVE(id->type);
334 id->proto = TO_NATIVE(id->proto);
335 id->id = TO_NATIVE(id->id);
336 id->extra = TO_NATIVE(id->extra);
337
338 strcpy(alias, "serio:");
339 ADD(alias, "ty", id->type != SERIO_ANY, id->type);
340 ADD(alias, "pr", id->proto != SERIO_ANY, id->proto);
341 ADD(alias, "id", id->id != SERIO_ANY, id->id);
342 ADD(alias, "ex", id->extra != SERIO_ANY, id->extra);
343
Jean Delvareac551822008-05-02 20:37:21 +0200344 add_wildcard(alias);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700345 return 1;
346}
347
Thomas Renninger29b71a12007-07-23 14:43:51 +0200348/* looks like: "acpi:ACPI0003 or acpi:PNP0C0B" or "acpi:LNXVIDEO" */
349static int do_acpi_entry(const char *filename,
350 struct acpi_device_id *id, char *alias)
351{
Jean Delvareac551822008-05-02 20:37:21 +0200352 sprintf(alias, "acpi*:%s:*", id->id);
Thomas Renninger29b71a12007-07-23 14:43:51 +0200353 return 1;
354}
355
Linus Torvalds1da177e2005-04-16 15:20:36 -0700356/* looks like: "pnp:dD" */
Kay Sievers22454cb2008-05-28 23:06:47 +0200357static void do_pnp_device_entry(void *symval, unsigned long size,
358 struct module *mod)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359{
Kay Sievers22454cb2008-05-28 23:06:47 +0200360 const unsigned long id_size = sizeof(struct pnp_device_id);
Kay Sievers5e4c6562008-08-21 15:28:56 +0200361 const unsigned int count = (size / id_size)-1;
362 const struct pnp_device_id *devs = symval;
363 unsigned int i;
Kay Sievers22454cb2008-05-28 23:06:47 +0200364
365 device_id_check(mod->name, "pnp", size, id_size, symval);
366
Kay Sievers5e4c6562008-08-21 15:28:56 +0200367 for (i = 0; i < count; i++) {
368 const char *id = (char *)devs[i].id;
Kay Sievers72638f52009-01-08 03:06:42 +0100369 char acpi_id[sizeof(devs[0].id)];
370 int j;
Kay Sievers5e4c6562008-08-21 15:28:56 +0200371
372 buf_printf(&mod->dev_table_buf,
373 "MODULE_ALIAS(\"pnp:d%s*\");\n", id);
Kay Sievers72638f52009-01-08 03:06:42 +0100374
375 /* fix broken pnp bus lowercasing */
376 for (j = 0; j < sizeof(acpi_id); j++)
377 acpi_id[j] = toupper(id[j]);
Kay Sievers5e4c6562008-08-21 15:28:56 +0200378 buf_printf(&mod->dev_table_buf,
Kay Sievers72638f52009-01-08 03:06:42 +0100379 "MODULE_ALIAS(\"acpi*:%s:*\");\n", acpi_id);
Kay Sievers5e4c6562008-08-21 15:28:56 +0200380 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700381}
382
Kay Sievers0c81eed2008-02-21 00:35:54 +0100383/* looks like: "pnp:dD" for every device of the card */
384static void do_pnp_card_entries(void *symval, unsigned long size,
385 struct module *mod)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700386{
Kay Sievers0c81eed2008-02-21 00:35:54 +0100387 const unsigned long id_size = sizeof(struct pnp_card_device_id);
388 const unsigned int count = (size / id_size)-1;
389 const struct pnp_card_device_id *cards = symval;
390 unsigned int i;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700391
Kay Sievers0c81eed2008-02-21 00:35:54 +0100392 device_id_check(mod->name, "pnp", size, id_size, symval);
393
394 for (i = 0; i < count; i++) {
395 unsigned int j;
396 const struct pnp_card_device_id *card = &cards[i];
397
398 for (j = 0; j < PNP_MAX_DEVICES; j++) {
399 const char *id = (char *)card->devs[j].id;
400 int i2, j2;
401 int dup = 0;
402
403 if (!id[0])
404 break;
405
406 /* find duplicate, already added value */
407 for (i2 = 0; i2 < i && !dup; i2++) {
408 const struct pnp_card_device_id *card2 = &cards[i2];
409
410 for (j2 = 0; j2 < PNP_MAX_DEVICES; j2++) {
411 const char *id2 = (char *)card2->devs[j2].id;
412
413 if (!id2[0])
414 break;
415
416 if (!strcmp(id, id2)) {
417 dup = 1;
418 break;
419 }
420 }
421 }
422
423 /* add an individual alias for every device entry */
Kay Sievers22454cb2008-05-28 23:06:47 +0200424 if (!dup) {
Kay Sievers72638f52009-01-08 03:06:42 +0100425 char acpi_id[sizeof(card->devs[0].id)];
426 int k;
427
Kay Sievers0c81eed2008-02-21 00:35:54 +0100428 buf_printf(&mod->dev_table_buf,
429 "MODULE_ALIAS(\"pnp:d%s*\");\n", id);
Kay Sievers72638f52009-01-08 03:06:42 +0100430
431 /* fix broken pnp bus lowercasing */
432 for (k = 0; k < sizeof(acpi_id); k++)
433 acpi_id[k] = toupper(id[k]);
Kay Sievers22454cb2008-05-28 23:06:47 +0200434 buf_printf(&mod->dev_table_buf,
Kay Sievers72638f52009-01-08 03:06:42 +0100435 "MODULE_ALIAS(\"acpi*:%s:*\");\n", acpi_id);
Kay Sievers22454cb2008-05-28 23:06:47 +0200436 }
Kay Sievers0c81eed2008-02-21 00:35:54 +0100437 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700438 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700439}
440
Dominik Brodowski90829cf2005-06-27 16:28:12 -0700441/* Looks like: pcmcia:mNcNfNfnNpfnNvaNvbNvcNvdN. */
442static int do_pcmcia_entry(const char *filename,
443 struct pcmcia_device_id *id, char *alias)
444{
445 unsigned int i;
446
Kars de Jong4fb7edc2005-09-25 14:39:46 +0200447 id->match_flags = TO_NATIVE(id->match_flags);
Dominik Brodowski90829cf2005-06-27 16:28:12 -0700448 id->manf_id = TO_NATIVE(id->manf_id);
449 id->card_id = TO_NATIVE(id->card_id);
450 id->func_id = TO_NATIVE(id->func_id);
451 id->function = TO_NATIVE(id->function);
452 id->device_no = TO_NATIVE(id->device_no);
Kars de Jong4fb7edc2005-09-25 14:39:46 +0200453
Dominik Brodowski90829cf2005-06-27 16:28:12 -0700454 for (i=0; i<4; i++) {
455 id->prod_id_hash[i] = TO_NATIVE(id->prod_id_hash[i]);
456 }
457
458 strcpy(alias, "pcmcia:");
459 ADD(alias, "m", id->match_flags & PCMCIA_DEV_ID_MATCH_MANF_ID,
460 id->manf_id);
461 ADD(alias, "c", id->match_flags & PCMCIA_DEV_ID_MATCH_CARD_ID,
462 id->card_id);
463 ADD(alias, "f", id->match_flags & PCMCIA_DEV_ID_MATCH_FUNC_ID,
464 id->func_id);
465 ADD(alias, "fn", id->match_flags & PCMCIA_DEV_ID_MATCH_FUNCTION,
466 id->function);
467 ADD(alias, "pfn", id->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO,
468 id->device_no);
469 ADD(alias, "pa", id->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID1, id->prod_id_hash[0]);
470 ADD(alias, "pb", id->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID2, id->prod_id_hash[1]);
471 ADD(alias, "pc", id->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID3, id->prod_id_hash[2]);
472 ADD(alias, "pd", id->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID4, id->prod_id_hash[3]);
473
Jean Delvareac551822008-05-02 20:37:21 +0200474 add_wildcard(alias);
Dominik Brodowski90829cf2005-06-27 16:28:12 -0700475 return 1;
476}
477
478
479
Jeff Mahoney5e655772005-07-06 15:44:41 -0400480static int do_of_entry (const char *filename, struct of_device_id *of, char *alias)
481{
Sylvain Munautd1ab4232007-05-08 19:59:29 +1000482 int len;
Jeff Mahoney5e655772005-07-06 15:44:41 -0400483 char *tmp;
Sylvain Munautd1ab4232007-05-08 19:59:29 +1000484 len = sprintf (alias, "of:N%sT%s",
Jeff Mahoney5e655772005-07-06 15:44:41 -0400485 of->name[0] ? of->name : "*",
Sylvain Munautd1ab4232007-05-08 19:59:29 +1000486 of->type[0] ? of->type : "*");
487
488 if (of->compatible[0])
489 sprintf (&alias[len], "%sC%s",
490 of->type[0] ? "*" : "",
491 of->compatible);
Jeff Mahoney5e655772005-07-06 15:44:41 -0400492
493 /* Replace all whitespace with underscores */
494 for (tmp = alias; tmp && *tmp; tmp++)
495 if (isspace (*tmp))
496 *tmp = '_';
497
Jean Delvareac551822008-05-02 20:37:21 +0200498 add_wildcard(alias);
Jeff Mahoney5e655772005-07-06 15:44:41 -0400499 return 1;
500}
501
Stephen Rothwellfb120da2005-08-17 16:42:59 +1000502static int do_vio_entry(const char *filename, struct vio_device_id *vio,
503 char *alias)
504{
505 char *tmp;
506
507 sprintf(alias, "vio:T%sS%s", vio->type[0] ? vio->type : "*",
508 vio->compat[0] ? vio->compat : "*");
509
510 /* Replace all whitespace with underscores */
511 for (tmp = alias; tmp && *tmp; tmp++)
512 if (isspace (*tmp))
513 *tmp = '_';
514
Jean Delvareac551822008-05-02 20:37:21 +0200515 add_wildcard(alias);
Stephen Rothwellfb120da2005-08-17 16:42:59 +1000516 return 1;
517}
518
Rusty Russell1d8f4302005-12-07 21:40:34 +0100519#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
520
521static void do_input(char *alias,
522 kernel_ulong_t *arr, unsigned int min, unsigned int max)
523{
524 unsigned int i;
Dmitry Torokhovddc5d342006-04-26 00:14:19 -0400525
526 for (i = min; i < max; i++)
Hans de Goedee0e92632006-08-15 12:09:27 +0200527 if (arr[i / BITS_PER_LONG] & (1L << (i%BITS_PER_LONG)))
Dmitry Torokhovddc5d342006-04-26 00:14:19 -0400528 sprintf(alias + strlen(alias), "%X,*", i);
Rusty Russell1d8f4302005-12-07 21:40:34 +0100529}
530
531/* input:b0v0p0e0-eXkXrXaXmXlXsXfXwX where X is comma-separated %02X. */
532static int do_input_entry(const char *filename, struct input_device_id *id,
533 char *alias)
534{
535 sprintf(alias, "input:");
536
Dmitry Torokhovddc5d342006-04-26 00:14:19 -0400537 ADD(alias, "b", id->flags & INPUT_DEVICE_ID_MATCH_BUS, id->bustype);
538 ADD(alias, "v", id->flags & INPUT_DEVICE_ID_MATCH_VENDOR, id->vendor);
539 ADD(alias, "p", id->flags & INPUT_DEVICE_ID_MATCH_PRODUCT, id->product);
540 ADD(alias, "e", id->flags & INPUT_DEVICE_ID_MATCH_VERSION, id->version);
Rusty Russell1d8f4302005-12-07 21:40:34 +0100541
542 sprintf(alias + strlen(alias), "-e*");
Dmitry Torokhovddc5d342006-04-26 00:14:19 -0400543 if (id->flags & INPUT_DEVICE_ID_MATCH_EVBIT)
Sam Ravnborgdc24f0e2007-03-09 19:59:06 +0100544 do_input(alias, id->evbit, 0, INPUT_DEVICE_ID_EV_MAX);
Rusty Russell1d8f4302005-12-07 21:40:34 +0100545 sprintf(alias + strlen(alias), "k*");
Dmitry Torokhovddc5d342006-04-26 00:14:19 -0400546 if (id->flags & INPUT_DEVICE_ID_MATCH_KEYBIT)
Sam Ravnborgdc24f0e2007-03-09 19:59:06 +0100547 do_input(alias, id->keybit,
548 INPUT_DEVICE_ID_KEY_MIN_INTERESTING,
549 INPUT_DEVICE_ID_KEY_MAX);
Rusty Russell1d8f4302005-12-07 21:40:34 +0100550 sprintf(alias + strlen(alias), "r*");
Dmitry Torokhovddc5d342006-04-26 00:14:19 -0400551 if (id->flags & INPUT_DEVICE_ID_MATCH_RELBIT)
Sam Ravnborgdc24f0e2007-03-09 19:59:06 +0100552 do_input(alias, id->relbit, 0, INPUT_DEVICE_ID_REL_MAX);
Rusty Russell1d8f4302005-12-07 21:40:34 +0100553 sprintf(alias + strlen(alias), "a*");
Dmitry Torokhovddc5d342006-04-26 00:14:19 -0400554 if (id->flags & INPUT_DEVICE_ID_MATCH_ABSBIT)
Sam Ravnborgdc24f0e2007-03-09 19:59:06 +0100555 do_input(alias, id->absbit, 0, INPUT_DEVICE_ID_ABS_MAX);
Rusty Russell1d8f4302005-12-07 21:40:34 +0100556 sprintf(alias + strlen(alias), "m*");
Dmitry Torokhovddc5d342006-04-26 00:14:19 -0400557 if (id->flags & INPUT_DEVICE_ID_MATCH_MSCIT)
Sam Ravnborgdc24f0e2007-03-09 19:59:06 +0100558 do_input(alias, id->mscbit, 0, INPUT_DEVICE_ID_MSC_MAX);
Rusty Russell1d8f4302005-12-07 21:40:34 +0100559 sprintf(alias + strlen(alias), "l*");
Dmitry Torokhovddc5d342006-04-26 00:14:19 -0400560 if (id->flags & INPUT_DEVICE_ID_MATCH_LEDBIT)
Sam Ravnborgdc24f0e2007-03-09 19:59:06 +0100561 do_input(alias, id->ledbit, 0, INPUT_DEVICE_ID_LED_MAX);
Rusty Russell1d8f4302005-12-07 21:40:34 +0100562 sprintf(alias + strlen(alias), "s*");
Dmitry Torokhovddc5d342006-04-26 00:14:19 -0400563 if (id->flags & INPUT_DEVICE_ID_MATCH_SNDBIT)
Sam Ravnborgdc24f0e2007-03-09 19:59:06 +0100564 do_input(alias, id->sndbit, 0, INPUT_DEVICE_ID_SND_MAX);
Rusty Russell1d8f4302005-12-07 21:40:34 +0100565 sprintf(alias + strlen(alias), "f*");
Dmitry Torokhovddc5d342006-04-26 00:14:19 -0400566 if (id->flags & INPUT_DEVICE_ID_MATCH_FFBIT)
Sam Ravnborgdc24f0e2007-03-09 19:59:06 +0100567 do_input(alias, id->ffbit, 0, INPUT_DEVICE_ID_FF_MAX);
Rusty Russell1d8f4302005-12-07 21:40:34 +0100568 sprintf(alias + strlen(alias), "w*");
Dmitry Torokhovddc5d342006-04-26 00:14:19 -0400569 if (id->flags & INPUT_DEVICE_ID_MATCH_SWBIT)
Sam Ravnborgdc24f0e2007-03-09 19:59:06 +0100570 do_input(alias, id->swbit, 0, INPUT_DEVICE_ID_SW_MAX);
Rusty Russell1d8f4302005-12-07 21:40:34 +0100571 return 1;
572}
573
Michael Tokarev07563c72006-09-27 01:50:56 -0700574static int do_eisa_entry(const char *filename, struct eisa_device_id *eisa,
575 char *alias)
576{
577 if (eisa->sig[0])
578 sprintf(alias, EISA_DEVICE_MODALIAS_FMT "*", eisa->sig);
Jean Delvareac551822008-05-02 20:37:21 +0200579 else
580 strcat(alias, "*");
Michael Tokarev07563c72006-09-27 01:50:56 -0700581 return 1;
582}
583
Kyle McMartinf3cf2672007-01-13 14:58:21 -0500584/* Looks like: parisc:tNhvNrevNsvN */
585static int do_parisc_entry(const char *filename, struct parisc_device_id *id,
586 char *alias)
587{
588 id->hw_type = TO_NATIVE(id->hw_type);
589 id->hversion = TO_NATIVE(id->hversion);
590 id->hversion_rev = TO_NATIVE(id->hversion_rev);
591 id->sversion = TO_NATIVE(id->sversion);
592
593 strcpy(alias, "parisc:");
Kyle McMartinf354ef82007-01-13 15:02:09 -0500594 ADD(alias, "t", id->hw_type != PA_HWTYPE_ANY_ID, id->hw_type);
595 ADD(alias, "hv", id->hversion != PA_HVERSION_ANY_ID, id->hversion);
596 ADD(alias, "rev", id->hversion_rev != PA_HVERSION_REV_ANY_ID, id->hversion_rev);
597 ADD(alias, "sv", id->sversion != PA_SVERSION_ANY_ID, id->sversion);
Kyle McMartinf3cf2672007-01-13 14:58:21 -0500598
Jean Delvareac551822008-05-02 20:37:21 +0200599 add_wildcard(alias);
Kyle McMartinf3cf2672007-01-13 14:58:21 -0500600 return 1;
601}
602
Pierre Ossmand59b66c2007-06-17 11:34:23 +0200603/* Looks like: sdio:cNvNdN. */
604static int do_sdio_entry(const char *filename,
605 struct sdio_device_id *id, char *alias)
606{
607 id->class = TO_NATIVE(id->class);
608 id->vendor = TO_NATIVE(id->vendor);
609 id->device = TO_NATIVE(id->device);
610
611 strcpy(alias, "sdio:");
612 ADD(alias, "c", id->class != (__u8)SDIO_ANY_ID, id->class);
613 ADD(alias, "v", id->vendor != (__u16)SDIO_ANY_ID, id->vendor);
614 ADD(alias, "d", id->device != (__u16)SDIO_ANY_ID, id->device);
Jean Delvareac551822008-05-02 20:37:21 +0200615 add_wildcard(alias);
Linus Torvalds038a5002007-10-11 19:40:14 -0700616 return 1;
617}
Pierre Ossmand59b66c2007-06-17 11:34:23 +0200618
Michael Buesch61e115a2007-09-18 15:12:50 -0400619/* Looks like: ssb:vNidNrevN. */
620static int do_ssb_entry(const char *filename,
621 struct ssb_device_id *id, char *alias)
622{
623 id->vendor = TO_NATIVE(id->vendor);
624 id->coreid = TO_NATIVE(id->coreid);
625 id->revision = TO_NATIVE(id->revision);
626
627 strcpy(alias, "ssb:");
628 ADD(alias, "v", id->vendor != SSB_ANY_VENDOR, id->vendor);
629 ADD(alias, "id", id->coreid != SSB_ANY_ID, id->coreid);
630 ADD(alias, "rev", id->revision != SSB_ANY_REV, id->revision);
Jean Delvareac551822008-05-02 20:37:21 +0200631 add_wildcard(alias);
Pierre Ossmand59b66c2007-06-17 11:34:23 +0200632 return 1;
633}
634
Rusty Russellb01d9f22007-10-22 11:03:39 +1000635/* Looks like: virtio:dNvN */
636static int do_virtio_entry(const char *filename, struct virtio_device_id *id,
637 char *alias)
638{
639 id->device = TO_NATIVE(id->device);
640 id->vendor = TO_NATIVE(id->vendor);
641
642 strcpy(alias, "virtio:");
643 ADD(alias, "d", 1, id->device);
644 ADD(alias, "v", id->vendor != VIRTIO_DEV_ANY_ID, id->vendor);
645
Jean Delvareac551822008-05-02 20:37:21 +0200646 add_wildcard(alias);
Rusty Russellb01d9f22007-10-22 11:03:39 +1000647 return 1;
648}
649
Jean Delvared2653e92008-04-29 23:11:39 +0200650/* Looks like: i2c:S */
651static int do_i2c_entry(const char *filename, struct i2c_device_id *id,
652 char *alias)
653{
654 sprintf(alias, I2C_MODULE_PREFIX "%s", id->name);
655
656 return 1;
657}
658
David Woodhoused945b692008-09-16 16:23:28 -0700659static const struct dmifield {
660 const char *prefix;
661 int field;
662} dmi_fields[] = {
663 { "bvn", DMI_BIOS_VENDOR },
664 { "bvr", DMI_BIOS_VERSION },
665 { "bd", DMI_BIOS_DATE },
666 { "svn", DMI_SYS_VENDOR },
667 { "pn", DMI_PRODUCT_NAME },
668 { "pvr", DMI_PRODUCT_VERSION },
669 { "rvn", DMI_BOARD_VENDOR },
670 { "rn", DMI_BOARD_NAME },
671 { "rvr", DMI_BOARD_VERSION },
672 { "cvn", DMI_CHASSIS_VENDOR },
673 { "ct", DMI_CHASSIS_TYPE },
674 { "cvr", DMI_CHASSIS_VERSION },
675 { NULL, DMI_NONE }
676};
677
678static void dmi_ascii_filter(char *d, const char *s)
679{
680 /* Filter out characters we don't want to see in the modalias string */
681 for (; *s; s++)
682 if (*s > ' ' && *s < 127 && *s != ':')
683 *(d++) = *s;
684
685 *d = 0;
686}
687
688
689static int do_dmi_entry(const char *filename, struct dmi_system_id *id,
690 char *alias)
691{
692 int i, j;
693
694 sprintf(alias, "dmi*");
695
696 for (i = 0; i < ARRAY_SIZE(dmi_fields); i++) {
697 for (j = 0; j < 4; j++) {
698 if (id->matches[j].slot &&
699 id->matches[j].slot == dmi_fields[i].field) {
700 sprintf(alias + strlen(alias), ":%s*",
701 dmi_fields[i].prefix);
702 dmi_ascii_filter(alias + strlen(alias),
703 id->matches[j].substr);
704 strcat(alias, "*");
705 }
706 }
707 }
708
709 strcat(alias, ":");
710 return 1;
711}
Adrian Bunkf606ddf2008-07-23 21:28:50 -0700712/* Ignore any prefix, eg. some architectures prepend _ */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700713static inline int sym_is(const char *symbol, const char *name)
714{
715 const char *match;
716
717 match = strstr(symbol, name);
718 if (!match)
719 return 0;
720 return match[strlen(symbol)] == '\0';
721}
722
723static void do_table(void *symval, unsigned long size,
724 unsigned long id_size,
Sam Ravnborgfb33d812006-07-09 16:26:07 +0200725 const char *device_id,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700726 void *function,
727 struct module *mod)
728{
729 unsigned int i;
730 char alias[500];
731 int (*do_entry)(const char *, void *entry, char *alias) = function;
732
Kees Cooke0049822007-09-16 11:15:46 +0200733 device_id_check(mod->name, device_id, size, id_size, symval);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700734 /* Leave last one: it's the terminator. */
735 size -= id_size;
736
737 for (i = 0; i < size; i += id_size) {
738 if (do_entry(mod->name, symval+i, alias)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700739 buf_printf(&mod->dev_table_buf,
740 "MODULE_ALIAS(\"%s\");\n", alias);
741 }
742 }
743}
744
745/* Create MODULE_ALIAS() statements.
746 * At this time, we cannot write the actual output C source yet,
747 * so we write into the mod->dev_table_buf buffer. */
748void handle_moddevtable(struct module *mod, struct elf_info *info,
749 Elf_Sym *sym, const char *symname)
750{
751 void *symval;
Kees Cooke0049822007-09-16 11:15:46 +0200752 char *zeros = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700753
754 /* We're looking for a section relative symbol */
755 if (!sym->st_shndx || sym->st_shndx >= info->hdr->e_shnum)
756 return;
757
Kees Cooke0049822007-09-16 11:15:46 +0200758 /* Handle all-NULL symbols allocated into .bss */
759 if (info->sechdrs[sym->st_shndx].sh_type & SHT_NOBITS) {
760 zeros = calloc(1, sym->st_size);
761 symval = zeros;
762 } else {
763 symval = (void *)info->hdr
764 + info->sechdrs[sym->st_shndx].sh_offset
765 + sym->st_value;
766 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700767
768 if (sym_is(symname, "__mod_pci_device_table"))
Sam Ravnborgfb33d812006-07-09 16:26:07 +0200769 do_table(symval, sym->st_size,
770 sizeof(struct pci_device_id), "pci",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700771 do_pci_entry, mod);
772 else if (sym_is(symname, "__mod_usb_device_table"))
Roman Kaganb19dcd92005-04-22 15:07:01 -0700773 /* special case to handle bcdDevice ranges */
774 do_usb_table(symval, sym->st_size, mod);
Jiri Slabye8c84f92008-05-19 15:50:01 +0200775 else if (sym_is(symname, "__mod_hid_device_table"))
776 do_table(symval, sym->st_size,
777 sizeof(struct hid_device_id), "hid",
778 do_hid_entry, mod);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700779 else if (sym_is(symname, "__mod_ieee1394_device_table"))
Sam Ravnborgfb33d812006-07-09 16:26:07 +0200780 do_table(symval, sym->st_size,
781 sizeof(struct ieee1394_device_id), "ieee1394",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700782 do_ieee1394_entry, mod);
783 else if (sym_is(symname, "__mod_ccw_device_table"))
Sam Ravnborgfb33d812006-07-09 16:26:07 +0200784 do_table(symval, sym->st_size,
785 sizeof(struct ccw_device_id), "ccw",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700786 do_ccw_entry, mod);
Martin Schwidefsky1534c382006-09-20 15:58:25 +0200787 else if (sym_is(symname, "__mod_ap_device_table"))
788 do_table(symval, sym->st_size,
789 sizeof(struct ap_device_id), "ap",
790 do_ap_entry, mod);
Cornelia Huck7e9db9e2008-07-14 09:58:44 +0200791 else if (sym_is(symname, "__mod_css_device_table"))
792 do_table(symval, sym->st_size,
793 sizeof(struct css_device_id), "css",
794 do_css_entry, mod);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700795 else if (sym_is(symname, "__mod_serio_device_table"))
Sam Ravnborgfb33d812006-07-09 16:26:07 +0200796 do_table(symval, sym->st_size,
797 sizeof(struct serio_device_id), "serio",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700798 do_serio_entry, mod);
Thomas Renninger29b71a12007-07-23 14:43:51 +0200799 else if (sym_is(symname, "__mod_acpi_device_table"))
800 do_table(symval, sym->st_size,
801 sizeof(struct acpi_device_id), "acpi",
802 do_acpi_entry, mod);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700803 else if (sym_is(symname, "__mod_pnp_device_table"))
Kay Sievers22454cb2008-05-28 23:06:47 +0200804 do_pnp_device_entry(symval, sym->st_size, mod);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700805 else if (sym_is(symname, "__mod_pnp_card_device_table"))
Kay Sievers0c81eed2008-02-21 00:35:54 +0100806 do_pnp_card_entries(symval, sym->st_size, mod);
Dominik Brodowski90829cf2005-06-27 16:28:12 -0700807 else if (sym_is(symname, "__mod_pcmcia_device_table"))
Sam Ravnborgfb33d812006-07-09 16:26:07 +0200808 do_table(symval, sym->st_size,
809 sizeof(struct pcmcia_device_id), "pcmcia",
Dominik Brodowski90829cf2005-06-27 16:28:12 -0700810 do_pcmcia_entry, mod);
Jeff Mahoney5e655772005-07-06 15:44:41 -0400811 else if (sym_is(symname, "__mod_of_device_table"))
Sam Ravnborgfb33d812006-07-09 16:26:07 +0200812 do_table(symval, sym->st_size,
813 sizeof(struct of_device_id), "of",
Jeff Mahoney5e655772005-07-06 15:44:41 -0400814 do_of_entry, mod);
Stephen Rothwellfb120da2005-08-17 16:42:59 +1000815 else if (sym_is(symname, "__mod_vio_device_table"))
Sam Ravnborgfb33d812006-07-09 16:26:07 +0200816 do_table(symval, sym->st_size,
817 sizeof(struct vio_device_id), "vio",
Stephen Rothwellfb120da2005-08-17 16:42:59 +1000818 do_vio_entry, mod);
Rusty Russell1d8f4302005-12-07 21:40:34 +0100819 else if (sym_is(symname, "__mod_input_device_table"))
Sam Ravnborgfb33d812006-07-09 16:26:07 +0200820 do_table(symval, sym->st_size,
821 sizeof(struct input_device_id), "input",
Rusty Russell1d8f4302005-12-07 21:40:34 +0100822 do_input_entry, mod);
Michael Tokarev07563c72006-09-27 01:50:56 -0700823 else if (sym_is(symname, "__mod_eisa_device_table"))
824 do_table(symval, sym->st_size,
825 sizeof(struct eisa_device_id), "eisa",
826 do_eisa_entry, mod);
Kyle McMartinf3cf2672007-01-13 14:58:21 -0500827 else if (sym_is(symname, "__mod_parisc_device_table"))
828 do_table(symval, sym->st_size,
829 sizeof(struct parisc_device_id), "parisc",
830 do_parisc_entry, mod);
Pierre Ossmand59b66c2007-06-17 11:34:23 +0200831 else if (sym_is(symname, "__mod_sdio_device_table"))
832 do_table(symval, sym->st_size,
833 sizeof(struct sdio_device_id), "sdio",
834 do_sdio_entry, mod);
Michael Buesch61e115a2007-09-18 15:12:50 -0400835 else if (sym_is(symname, "__mod_ssb_device_table"))
836 do_table(symval, sym->st_size,
837 sizeof(struct ssb_device_id), "ssb",
838 do_ssb_entry, mod);
Rusty Russellb01d9f22007-10-22 11:03:39 +1000839 else if (sym_is(symname, "__mod_virtio_device_table"))
840 do_table(symval, sym->st_size,
841 sizeof(struct virtio_device_id), "virtio",
842 do_virtio_entry, mod);
Jean Delvared2653e92008-04-29 23:11:39 +0200843 else if (sym_is(symname, "__mod_i2c_device_table"))
844 do_table(symval, sym->st_size,
845 sizeof(struct i2c_device_id), "i2c",
846 do_i2c_entry, mod);
David Woodhoused945b692008-09-16 16:23:28 -0700847 else if (sym_is(symname, "__mod_dmi_device_table"))
848 do_table(symval, sym->st_size,
849 sizeof(struct dmi_system_id), "dmi",
850 do_dmi_entry, mod);
Kees Cooke0049822007-09-16 11:15:46 +0200851 free(zeros);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700852}
853
854/* Now add out buffered information to the generated C source */
855void add_moddevtable(struct buffer *buf, struct module *mod)
856{
857 buf_printf(buf, "\n");
858 buf_write(buf, mod->dev_table_buf.p, mod->dev_table_buf.pos);
859 free(mod->dev_table_buf.p);
860}