]>
git.ipfire.org Git - people/ms/u-boot.git/blob - tools/ifdtool.c
2 * ifdtool - Manage Intel Firmware Descriptor information
4 * Copyright 2014 Google, Inc
6 * SPDX-License-Identifier: GPL-2.0
8 * From Coreboot project, but it got a serious code clean-up
9 * and a few new features
19 #include <sys/types.h>
26 #define debug(fmt, args...) printf(fmt, ##args)
28 #define debug(fmt, args...)
31 #define FD_SIGNATURE 0x0FF0A55A
32 #define FLREG_BASE(reg) ((reg & 0x00000fff) << 12);
33 #define FLREG_LIMIT(reg) (((reg & 0x0fff0000) >> 4) | 0xfff);
36 * find_fd() - Find the flash description in the ROM image
38 * @image: Pointer to image
39 * @size: Size of image in bytes
40 * @return pointer to structure, or NULL if not found
42 static struct fdbar_t
*find_fd(char *image
, int size
)
46 /* Scan for FD signature */
47 for (ptr
= (uint32_t *)image
, end
= ptr
+ size
/ 4; ptr
< end
; ptr
++) {
48 if (*ptr
== FD_SIGNATURE
)
53 printf("No Flash Descriptor found in this image\n");
57 debug("Found Flash Descriptor signature at 0x%08x\n", i
);
59 return (struct fdbar_t
*)ptr
;
63 * get_region() - Get information about the selected region
65 * @frba: Flash region list
66 * @region_type: Type of region (0..MAX_REGIONS-1)
67 * @region: Region information is written here
68 * @return 0 if OK, else -ve
70 static int get_region(struct frba_t
*frba
, int region_type
,
71 struct region_t
*region
)
73 if (region_type
>= MAX_REGIONS
) {
74 fprintf(stderr
, "Invalid region type.\n");
78 region
->base
= FLREG_BASE(frba
->flreg
[region_type
]);
79 region
->limit
= FLREG_LIMIT(frba
->flreg
[region_type
]);
80 region
->size
= region
->limit
- region
->base
+ 1;
85 static const char *region_name(int region_type
)
87 static const char *const regions
[] = {
95 assert(region_type
< MAX_REGIONS
);
97 return regions
[region_type
];
100 static const char *region_filename(int region_type
)
102 static const char *const region_filenames
[] = {
103 "flashregion_0_flashdescriptor.bin",
104 "flashregion_1_bios.bin",
105 "flashregion_2_intel_me.bin",
106 "flashregion_3_gbe.bin",
107 "flashregion_4_platform_data.bin"
110 assert(region_type
< MAX_REGIONS
);
112 return region_filenames
[region_type
];
115 static int dump_region(int num
, struct frba_t
*frba
)
117 struct region_t region
;
120 ret
= get_region(frba
, num
, ®ion
);
124 printf(" Flash Region %d (%s): %08x - %08x %s\n",
125 num
, region_name(num
), region
.base
, region
.limit
,
126 region
.size
< 1 ? "(unused)" : "");
131 static void dump_frba(struct frba_t
*frba
)
135 printf("Found Region Section\n");
136 for (i
= 0; i
< MAX_REGIONS
; i
++) {
137 printf("FLREG%d: 0x%08x\n", i
, frba
->flreg
[i
]);
138 dump_region(i
, frba
);
142 static void decode_spi_frequency(unsigned int freq
)
145 case SPI_FREQUENCY_20MHZ
:
148 case SPI_FREQUENCY_33MHZ
:
151 case SPI_FREQUENCY_50MHZ
:
155 printf("unknown<%x>MHz", freq
);
159 static void decode_component_density(unsigned int density
)
162 case COMPONENT_DENSITY_512KB
:
165 case COMPONENT_DENSITY_1MB
:
168 case COMPONENT_DENSITY_2MB
:
171 case COMPONENT_DENSITY_4MB
:
174 case COMPONENT_DENSITY_8MB
:
177 case COMPONENT_DENSITY_16MB
:
181 printf("unknown<%x>MiB", density
);
185 static void dump_fcba(struct fcba_t
*fcba
)
187 printf("\nFound Component Section\n");
188 printf("FLCOMP 0x%08x\n", fcba
->flcomp
);
189 printf(" Dual Output Fast Read Support: %ssupported\n",
190 (fcba
->flcomp
& (1 << 30)) ? "" : "not ");
191 printf(" Read ID/Read Status Clock Frequency: ");
192 decode_spi_frequency((fcba
->flcomp
>> 27) & 7);
193 printf("\n Write/Erase Clock Frequency: ");
194 decode_spi_frequency((fcba
->flcomp
>> 24) & 7);
195 printf("\n Fast Read Clock Frequency: ");
196 decode_spi_frequency((fcba
->flcomp
>> 21) & 7);
197 printf("\n Fast Read Support: %ssupported",
198 (fcba
->flcomp
& (1 << 20)) ? "" : "not ");
199 printf("\n Read Clock Frequency: ");
200 decode_spi_frequency((fcba
->flcomp
>> 17) & 7);
201 printf("\n Component 2 Density: ");
202 decode_component_density((fcba
->flcomp
>> 3) & 7);
203 printf("\n Component 1 Density: ");
204 decode_component_density(fcba
->flcomp
& 7);
206 printf("FLILL 0x%08x\n", fcba
->flill
);
207 printf(" Invalid Instruction 3: 0x%02x\n",
208 (fcba
->flill
>> 24) & 0xff);
209 printf(" Invalid Instruction 2: 0x%02x\n",
210 (fcba
->flill
>> 16) & 0xff);
211 printf(" Invalid Instruction 1: 0x%02x\n",
212 (fcba
->flill
>> 8) & 0xff);
213 printf(" Invalid Instruction 0: 0x%02x\n",
215 printf("FLPB 0x%08x\n", fcba
->flpb
);
216 printf(" Flash Partition Boundary Address: 0x%06x\n\n",
217 (fcba
->flpb
& 0xfff) << 12);
220 static void dump_fpsba(struct fpsba_t
*fpsba
)
224 printf("Found PCH Strap Section\n");
225 for (i
= 0; i
< MAX_STRAPS
; i
++)
226 printf("PCHSTRP%-2d: 0x%08x\n", i
, fpsba
->pchstrp
[i
]);
229 static const char *get_enabled(int flag
)
231 return flag
? "enabled" : "disabled";
234 static void decode_flmstr(uint32_t flmstr
)
236 printf(" Platform Data Region Write Access: %s\n",
237 get_enabled(flmstr
& (1 << 28)));
238 printf(" GbE Region Write Access: %s\n",
239 get_enabled(flmstr
& (1 << 27)));
240 printf(" Intel ME Region Write Access: %s\n",
241 get_enabled(flmstr
& (1 << 26)));
242 printf(" Host CPU/BIOS Region Write Access: %s\n",
243 get_enabled(flmstr
& (1 << 25)));
244 printf(" Flash Descriptor Write Access: %s\n",
245 get_enabled(flmstr
& (1 << 24)));
247 printf(" Platform Data Region Read Access: %s\n",
248 get_enabled(flmstr
& (1 << 20)));
249 printf(" GbE Region Read Access: %s\n",
250 get_enabled(flmstr
& (1 << 19)));
251 printf(" Intel ME Region Read Access: %s\n",
252 get_enabled(flmstr
& (1 << 18)));
253 printf(" Host CPU/BIOS Region Read Access: %s\n",
254 get_enabled(flmstr
& (1 << 17)));
255 printf(" Flash Descriptor Read Access: %s\n",
256 get_enabled(flmstr
& (1 << 16)));
258 printf(" Requester ID: 0x%04x\n\n",
262 static void dump_fmba(struct fmba_t
*fmba
)
264 printf("Found Master Section\n");
265 printf("FLMSTR1: 0x%08x (Host CPU/BIOS)\n", fmba
->flmstr1
);
266 decode_flmstr(fmba
->flmstr1
);
267 printf("FLMSTR2: 0x%08x (Intel ME)\n", fmba
->flmstr2
);
268 decode_flmstr(fmba
->flmstr2
);
269 printf("FLMSTR3: 0x%08x (GbE)\n", fmba
->flmstr3
);
270 decode_flmstr(fmba
->flmstr3
);
273 static void dump_fmsba(struct fmsba_t
*fmsba
)
277 printf("Found Processor Strap Section\n");
278 for (i
= 0; i
< 4; i
++)
279 printf("????: 0x%08x\n", fmsba
->data
[0]);
282 static void dump_jid(uint32_t jid
)
284 printf(" SPI Component Device ID 1: 0x%02x\n",
286 printf(" SPI Component Device ID 0: 0x%02x\n",
288 printf(" SPI Component Vendor ID: 0x%02x\n",
292 static void dump_vscc(uint32_t vscc
)
294 printf(" Lower Erase Opcode: 0x%02x\n",
296 printf(" Lower Write Enable on Write Status: 0x%02x\n",
297 vscc
& (1 << 20) ? 0x06 : 0x50);
298 printf(" Lower Write Status Required: %s\n",
299 vscc
& (1 << 19) ? "Yes" : "No");
300 printf(" Lower Write Granularity: %d bytes\n",
301 vscc
& (1 << 18) ? 64 : 1);
302 printf(" Lower Block / Sector Erase Size: ");
303 switch ((vscc
>> 16) & 0x3) {
305 printf("256 Byte\n");
318 printf(" Upper Erase Opcode: 0x%02x\n",
320 printf(" Upper Write Enable on Write Status: 0x%02x\n",
321 vscc
& (1 << 4) ? 0x06 : 0x50);
322 printf(" Upper Write Status Required: %s\n",
323 vscc
& (1 << 3) ? "Yes" : "No");
324 printf(" Upper Write Granularity: %d bytes\n",
325 vscc
& (1 << 2) ? 64 : 1);
326 printf(" Upper Block / Sector Erase Size: ");
327 switch (vscc
& 0x3) {
329 printf("256 Byte\n");
343 static void dump_vtba(struct vtba_t
*vtba
, int vtl
)
346 int num
= (vtl
>> 1) < 8 ? (vtl
>> 1) : 8;
348 printf("ME VSCC table:\n");
349 for (i
= 0; i
< num
; i
++) {
350 printf(" JID%d: 0x%08x\n", i
, vtba
->entry
[i
].jid
);
351 dump_jid(vtba
->entry
[i
].jid
);
352 printf(" VSCC%d: 0x%08x\n", i
, vtba
->entry
[i
].vscc
);
353 dump_vscc(vtba
->entry
[i
].vscc
);
358 static void dump_oem(uint8_t *oem
)
361 printf("OEM Section:\n");
362 for (i
= 0; i
< 4; i
++) {
363 printf("%02x:", i
<< 4);
364 for (j
= 0; j
< 16; j
++)
365 printf(" %02x", oem
[(i
<<4)+j
]);
372 * dump_fd() - Display a dump of the full flash description
374 * @image: Pointer to image
375 * @size: Size of image in bytes
376 * @return 0 if OK, -1 on error
378 static int dump_fd(char *image
, int size
)
380 struct fdbar_t
*fdb
= find_fd(image
, size
);
385 printf("FLMAP0: 0x%08x\n", fdb
->flmap0
);
386 printf(" NR: %d\n", (fdb
->flmap0
>> 24) & 7);
387 printf(" FRBA: 0x%x\n", ((fdb
->flmap0
>> 16) & 0xff) << 4);
388 printf(" NC: %d\n", ((fdb
->flmap0
>> 8) & 3) + 1);
389 printf(" FCBA: 0x%x\n", ((fdb
->flmap0
) & 0xff) << 4);
391 printf("FLMAP1: 0x%08x\n", fdb
->flmap1
);
392 printf(" ISL: 0x%02x\n", (fdb
->flmap1
>> 24) & 0xff);
393 printf(" FPSBA: 0x%x\n", ((fdb
->flmap1
>> 16) & 0xff) << 4);
394 printf(" NM: %d\n", (fdb
->flmap1
>> 8) & 3);
395 printf(" FMBA: 0x%x\n", ((fdb
->flmap1
) & 0xff) << 4);
397 printf("FLMAP2: 0x%08x\n", fdb
->flmap2
);
398 printf(" PSL: 0x%04x\n", (fdb
->flmap2
>> 8) & 0xffff);
399 printf(" FMSBA: 0x%x\n", ((fdb
->flmap2
) & 0xff) << 4);
401 printf("FLUMAP1: 0x%08x\n", fdb
->flumap1
);
402 printf(" Intel ME VSCC Table Length (VTL): %d\n",
403 (fdb
->flumap1
>> 8) & 0xff);
404 printf(" Intel ME VSCC Table Base Address (VTBA): 0x%06x\n\n",
405 (fdb
->flumap1
& 0xff) << 4);
406 dump_vtba((struct vtba_t
*)
407 (image
+ ((fdb
->flumap1
& 0xff) << 4)),
408 (fdb
->flumap1
>> 8) & 0xff);
409 dump_oem((uint8_t *)image
+ 0xf00);
410 dump_frba((struct frba_t
*)(image
+ (((fdb
->flmap0
>> 16) & 0xff)
412 dump_fcba((struct fcba_t
*)(image
+ (((fdb
->flmap0
) & 0xff) << 4)));
413 dump_fpsba((struct fpsba_t
*)
414 (image
+ (((fdb
->flmap1
>> 16) & 0xff) << 4)));
415 dump_fmba((struct fmba_t
*)(image
+ (((fdb
->flmap1
) & 0xff) << 4)));
416 dump_fmsba((struct fmsba_t
*)(image
+ (((fdb
->flmap2
) & 0xff) << 4)));
422 * write_regions() - Write each region from an image to its own file
424 * The filename to use in each case is fixed - see region_filename()
426 * @image: Pointer to image
427 * @size: Size of image in bytes
428 * @return 0 if OK, -ve on error
430 static int write_regions(char *image
, int size
)
437 fdb
= find_fd(image
, size
);
441 frba
= (struct frba_t
*)(image
+ (((fdb
->flmap0
>> 16) & 0xff) << 4));
443 for (i
= 0; i
< MAX_REGIONS
; i
++) {
444 struct region_t region
;
447 ret
= get_region(frba
, i
, ®ion
);
450 dump_region(i
, frba
);
451 if (region
.size
== 0)
453 region_fd
= open(region_filename(i
),
454 O_WRONLY
| O_CREAT
| O_TRUNC
, S_IRUSR
|
455 S_IWUSR
| S_IRGRP
| S_IROTH
);
456 if (write(region_fd
, image
+ region
.base
, region
.size
) !=
458 perror("Error while writing");
468 * write_image() - Write the image to a file
470 * @filename: Filename to use for the image
471 * @image: Pointer to image
472 * @size: Size of image in bytes
473 * @return 0 if OK, -ve on error
475 static int write_image(char *filename
, char *image
, int size
)
479 debug("Writing new image to %s\n", filename
);
481 new_fd
= open(filename
, O_WRONLY
| O_CREAT
| O_TRUNC
, S_IRUSR
|
482 S_IWUSR
| S_IRGRP
| S_IROTH
);
483 if (write(new_fd
, image
, size
) != size
) {
484 perror("Error while writing");
493 * set_spi_frequency() - Set the SPI frequency to use when booting
495 * Several frequencies are supported, some of which work with fast devices.
496 * For SPI emulators, the slowest (SPI_FREQUENCY_20MHZ) is often used. The
497 * Intel boot system uses this information somehow on boot.
499 * The image is updated with the supplied value
501 * @image: Pointer to image
502 * @size: Size of image in bytes
503 * @freq: SPI frequency to use
505 static void set_spi_frequency(char *image
, int size
, enum spi_frequency freq
)
507 struct fdbar_t
*fdb
= find_fd(image
, size
);
510 fcba
= (struct fcba_t
*)(image
+ (((fdb
->flmap0
) & 0xff) << 4));
512 /* clear bits 21-29 */
513 fcba
->flcomp
&= ~0x3fe00000;
514 /* Read ID and Read Status Clock Frequency */
515 fcba
->flcomp
|= freq
<< 27;
516 /* Write and Erase Clock Frequency */
517 fcba
->flcomp
|= freq
<< 24;
518 /* Fast Read Clock Frequency */
519 fcba
->flcomp
|= freq
<< 21;
523 * set_em100_mode() - Set a SPI frequency that will work with Dediprog EM100
525 * @image: Pointer to image
526 * @size: Size of image in bytes
528 static void set_em100_mode(char *image
, int size
)
530 struct fdbar_t
*fdb
= find_fd(image
, size
);
533 fcba
= (struct fcba_t
*)(image
+ (((fdb
->flmap0
) & 0xff) << 4));
534 fcba
->flcomp
&= ~(1 << 30);
535 set_spi_frequency(image
, size
, SPI_FREQUENCY_20MHZ
);
539 * lock_descriptor() - Lock the NE descriptor so it cannot be updated
541 * @image: Pointer to image
542 * @size: Size of image in bytes
544 static void lock_descriptor(char *image
, int size
)
546 struct fdbar_t
*fdb
= find_fd(image
, size
);
550 * TODO: Dynamically take Platform Data Region and GbE Region into
553 fmba
= (struct fmba_t
*)(image
+ (((fdb
->flmap1
) & 0xff) << 4));
554 fmba
->flmstr1
= 0x0a0b0000;
555 fmba
->flmstr2
= 0x0c0d0000;
556 fmba
->flmstr3
= 0x08080118;
560 * unlock_descriptor() - Lock the NE descriptor so it can be updated
562 * @image: Pointer to image
563 * @size: Size of image in bytes
565 static void unlock_descriptor(char *image
, int size
)
567 struct fdbar_t
*fdb
= find_fd(image
, size
);
570 fmba
= (struct fmba_t
*)(image
+ (((fdb
->flmap1
) & 0xff) << 4));
571 fmba
->flmstr1
= 0xffff0000;
572 fmba
->flmstr2
= 0xffff0000;
573 fmba
->flmstr3
= 0x08080118;
577 * open_for_read() - Open a file for reading
579 * @fname: Filename to open
580 * @sizep: Returns file size in bytes
581 * @return 0 if OK, -1 on error
583 int open_for_read(const char *fname
, int *sizep
)
585 int fd
= open(fname
, O_RDONLY
);
589 perror("Could not open file");
592 if (fstat(fd
, &buf
) == -1) {
593 perror("Could not stat file");
596 *sizep
= buf
.st_size
;
597 debug("File %s is %d bytes\n", fname
, *sizep
);
603 * inject_region() - Add a file to an image region
605 * This puts a file into a particular region of the flash. Several pre-defined
608 * @image: Pointer to image
609 * @size: Size of image in bytes
610 * @region_type: Region where the file should be added
611 * @region_fname: Filename to add to the image
612 * @return 0 if OK, -ve on error
614 int inject_region(char *image
, int size
, int region_type
, char *region_fname
)
616 struct fdbar_t
*fdb
= find_fd(image
, size
);
617 struct region_t region
;
626 frba
= (struct frba_t
*)(image
+ (((fdb
->flmap0
>> 16) & 0xff) << 4));
628 ret
= get_region(frba
, region_type
, ®ion
);
631 if (region
.size
<= 0xfff) {
632 fprintf(stderr
, "Region %s is disabled in target. Not injecting.\n",
633 region_name(region_type
));
637 region_fd
= open_for_read(region_fname
, ®ion_size
);
641 if ((region_size
> region
.size
) ||
642 ((region_type
!= 1) && (region_size
> region
.size
))) {
643 fprintf(stderr
, "Region %s is %d(0x%x) bytes. File is %d(0x%x) bytes. Not injecting.\n",
644 region_name(region_type
), region
.size
,
645 region
.size
, region_size
, region_size
);
649 if ((region_type
== 1) && (region_size
< region
.size
)) {
650 fprintf(stderr
, "Region %s is %d(0x%x) bytes. File is %d(0x%x) bytes. Padding before injecting.\n",
651 region_name(region_type
), region
.size
,
652 region
.size
, region_size
, region_size
);
653 offset
= region
.size
- region_size
;
654 memset(image
+ region
.base
, 0xff, offset
);
657 if (size
< region
.base
+ offset
+ region_size
) {
658 fprintf(stderr
, "Output file is too small. (%d < %d)\n",
659 size
, region
.base
+ offset
+ region_size
);
663 if (read(region_fd
, image
+ region
.base
+ offset
, region_size
)
665 perror("Could not read file");
671 debug("Adding %s as the %s section\n", region_fname
,
672 region_name(region_type
));
678 * write_data() - Write some raw data into a region
680 * This puts a file into a particular place in the flash, ignoring the
681 * regions. Be careful not to overwrite something important.
683 * @image: Pointer to image
684 * @size: Size of image in bytes
685 * @addr: x86 ROM address to put file. The ROM ends at
686 * 0xffffffff so use an address relative to that. For an
687 * 8MB ROM the start address is 0xfff80000.
688 * @write_fname: Filename to add to the image
689 * @return 0 if OK, -ve on error
691 static int write_data(char *image
, int size
, unsigned int addr
,
692 const char *write_fname
)
694 int write_fd
, write_size
;
697 write_fd
= open_for_read(write_fname
, &write_size
);
701 offset
= addr
+ size
;
702 debug("Writing %s to offset %#x\n", write_fname
, offset
);
704 if (offset
< 0 || offset
+ write_size
> size
) {
705 fprintf(stderr
, "Output file is too small. (%d < %d)\n",
706 size
, offset
+ write_size
);
710 if (read(write_fd
, image
+ offset
, write_size
) != write_size
) {
711 perror("Could not read file");
720 static void print_version(void)
722 printf("ifdtool v%s -- ", IFDTOOL_VERSION
);
723 printf("Copyright (C) 2014 Google Inc.\n\n");
724 printf("SPDX-License-Identifier: GPL-2.0+\n");
727 static void print_usage(const char *name
)
729 printf("usage: %s [-vhdix?] <filename> [<outfile>]\n", name
);
731 " -d | --dump: dump intel firmware descriptor\n"
732 " -x | --extract: extract intel fd modules\n"
733 " -i | --inject <region>:<module> inject file <module> into region <region>\n"
734 " -w | --write <addr>:<file> write file to appear at memory address <addr>\n"
735 " -s | --spifreq <20|33|50> set the SPI frequency\n"
736 " -e | --em100 set SPI frequency to 20MHz and disable\n"
737 " Dual Output Fast Read Support\n"
738 " -l | --lock Lock firmware descriptor and ME region\n"
739 " -u | --unlock Unlock firmware descriptor and ME region\n"
740 " -r | --romsize Specify ROM size\n"
741 " -D | --write-descriptor <file> Write descriptor at base\n"
742 " -c | --create Create a new empty image\n"
743 " -v | --version: print the version\n"
744 " -h | --help: print this help\n\n"
745 "<region> is one of Descriptor, BIOS, ME, GbE, Platform\n"
750 * get_two_words() - Convert a string into two words separated by :
752 * The supplied string is split at ':', two substrings are allocated and
755 * @str: String to split
756 * @firstp: Returns first string
757 * @secondp: Returns second string
758 * @return 0 if OK, -ve if @str does not have a :
760 static int get_two_words(const char *str
, char **firstp
, char **secondp
)
764 p
= strchr(str
, ':');
767 *firstp
= strdup(str
);
768 (*firstp
)[p
- str
] = '\0';
769 *secondp
= strdup(p
+ 1);
774 int main(int argc
, char *argv
[])
776 int opt
, option_index
= 0;
777 int mode_dump
= 0, mode_extract
= 0, mode_inject
= 0;
778 int mode_spifreq
= 0, mode_em100
= 0, mode_locked
= 0;
779 int mode_unlocked
= 0, mode_write
= 0, mode_write_descriptor
= 0;
781 char *region_type_string
= NULL
, *src_fname
= NULL
;
782 char *addr_str
= NULL
;
783 int region_type
= -1, inputfreq
= 0;
784 enum spi_frequency spifreq
= SPI_FREQUENCY_20MHZ
;
785 unsigned int addr
= 0;
789 char *outfile
= NULL
;
795 static struct option long_options
[] = {
796 {"create", 0, NULL
, 'c'},
797 {"dump", 0, NULL
, 'd'},
798 {"descriptor", 1, NULL
, 'D'},
799 {"em100", 0, NULL
, 'e'},
800 {"extract", 0, NULL
, 'x'},
801 {"inject", 1, NULL
, 'i'},
802 {"lock", 0, NULL
, 'l'},
803 {"romsize", 1, NULL
, 'r'},
804 {"spifreq", 1, NULL
, 's'},
805 {"unlock", 0, NULL
, 'u'},
806 {"write", 1, NULL
, 'w'},
807 {"version", 0, NULL
, 'v'},
808 {"help", 0, NULL
, 'h'},
812 while ((opt
= getopt_long(argc
, argv
, "cdD:ehi:lr:s:uvw:x?",
813 long_options
, &option_index
)) != EOF
) {
822 mode_write_descriptor
= 1;
829 if (get_two_words(optarg
, ®ion_type_string
,
831 print_usage(argv
[0]);
834 if (!strcasecmp("Descriptor", region_type_string
))
836 else if (!strcasecmp("BIOS", region_type_string
))
838 else if (!strcasecmp("ME", region_type_string
))
840 else if (!strcasecmp("GbE", region_type_string
))
842 else if (!strcasecmp("Platform", region_type_string
))
844 if (region_type
== -1) {
845 fprintf(stderr
, "No such region type: '%s'\n\n",
847 print_usage(argv
[0]);
856 rom_size
= strtol(optarg
, NULL
, 0);
857 debug("ROM size %d\n", rom_size
);
860 /* Parse the requested SPI frequency */
861 inputfreq
= strtol(optarg
, NULL
, 0);
864 spifreq
= SPI_FREQUENCY_20MHZ
;
867 spifreq
= SPI_FREQUENCY_33MHZ
;
870 spifreq
= SPI_FREQUENCY_50MHZ
;
873 fprintf(stderr
, "Invalid SPI Frequency: %d\n",
875 print_usage(argv
[0]);
889 if (get_two_words(optarg
, &addr_str
, &src_fname
)) {
890 print_usage(argv
[0]);
893 addr
= strtol(optarg
, NULL
, 0);
901 print_usage(argv
[0]);
907 if (mode_locked
== 1 && mode_unlocked
== 1) {
908 fprintf(stderr
, "Locking/Unlocking FD and ME are mutually exclusive\n");
912 if (mode_inject
== 1 && mode_write
== 1) {
913 fprintf(stderr
, "Inject/Write are mutually exclusive\n");
917 if ((mode_dump
+ mode_extract
+ mode_inject
+
918 (mode_spifreq
| mode_em100
| mode_unlocked
|
920 fprintf(stderr
, "You may not specify more than one mode.\n\n");
921 print_usage(argv
[0]);
925 if ((mode_dump
+ mode_extract
+ mode_inject
+ mode_spifreq
+
926 mode_em100
+ mode_locked
+ mode_unlocked
+ mode_write
+
927 mode_write_descriptor
) == 0 && !create
) {
928 fprintf(stderr
, "You need to specify a mode.\n\n");
929 print_usage(argv
[0]);
933 if (create
&& rom_size
== -1) {
934 fprintf(stderr
, "You need to specify a rom size when creating.\n\n");
938 if (optind
+ 1 != argc
) {
939 fprintf(stderr
, "You need to specify a file.\n\n");
940 print_usage(argv
[0]);
944 filename
= argv
[optind
];
945 if (optind
+ 2 != argc
)
946 outfile
= argv
[optind
+ 1];
949 bios_fd
= open(filename
, O_WRONLY
| O_CREAT
, 0666);
951 bios_fd
= open(filename
, outfile
? O_RDONLY
: O_RDWR
);
954 perror("Could not open file");
959 if (fstat(bios_fd
, &buf
) == -1) {
960 perror("Could not stat file");
966 debug("File %s is %d bytes\n", filename
, size
);
971 image
= malloc(rom_size
);
973 printf("Out of memory.\n");
977 memset(image
, '\xff', rom_size
);
978 if (!create
&& read(bios_fd
, image
, size
) != size
) {
979 perror("Could not read file");
982 if (size
!= rom_size
) {
983 debug("ROM size changed to %d bytes\n", rom_size
);
990 ret
= dump_fd(image
, size
);
995 ret
= write_regions(image
, size
);
999 if (mode_write_descriptor
)
1000 ret
= write_data(image
, size
, -size
, src_fname
);
1003 ret
= inject_region(image
, size
, region_type
, src_fname
);
1006 ret
= write_data(image
, size
, addr
, src_fname
);
1009 set_spi_frequency(image
, size
, spifreq
);
1012 set_em100_mode(image
, size
);
1015 lock_descriptor(image
, size
);
1018 unlock_descriptor(image
, size
);
1022 ret
= write_image(outfile
, image
, size
);
1024 if (lseek(bios_fd
, 0, SEEK_SET
)) {
1025 perror("Error while seeking");
1028 if (write(bios_fd
, image
, size
) != size
) {
1029 perror("Error while writing");