]>
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
20 #include <sys/types.h>
28 #define debug(fmt, args...) printf(fmt, ##args)
30 #define debug(fmt, args...)
33 #define FD_SIGNATURE 0x0FF0A55A
34 #define FLREG_BASE(reg) ((reg & 0x00000fff) << 12);
35 #define FLREG_LIMIT(reg) (((reg & 0x0fff0000) >> 4) | 0xfff);
43 * find_fd() - Find the flash description in the ROM image
45 * @image: Pointer to image
46 * @size: Size of image in bytes
47 * @return pointer to structure, or NULL if not found
49 static struct fdbar_t
*find_fd(char *image
, int size
)
53 /* Scan for FD signature */
54 for (ptr
= (uint32_t *)image
, end
= ptr
+ size
/ 4; ptr
< end
; ptr
++) {
55 if (*ptr
== FD_SIGNATURE
)
60 printf("No Flash Descriptor found in this image\n");
64 debug("Found Flash Descriptor signature at 0x%08lx\n",
67 return (struct fdbar_t
*)ptr
;
71 * get_region() - Get information about the selected region
73 * @frba: Flash region list
74 * @region_type: Type of region (0..MAX_REGIONS-1)
75 * @region: Region information is written here
76 * @return 0 if OK, else -ve
78 static int get_region(struct frba_t
*frba
, int region_type
,
79 struct region_t
*region
)
81 if (region_type
>= MAX_REGIONS
) {
82 fprintf(stderr
, "Invalid region type.\n");
86 region
->base
= FLREG_BASE(frba
->flreg
[region_type
]);
87 region
->limit
= FLREG_LIMIT(frba
->flreg
[region_type
]);
88 region
->size
= region
->limit
- region
->base
+ 1;
93 static const char *region_name(int region_type
)
95 static const char *const regions
[] = {
103 assert(region_type
< MAX_REGIONS
);
105 return regions
[region_type
];
108 static const char *region_filename(int region_type
)
110 static const char *const region_filenames
[] = {
111 "flashregion_0_flashdescriptor.bin",
112 "flashregion_1_bios.bin",
113 "flashregion_2_intel_me.bin",
114 "flashregion_3_gbe.bin",
115 "flashregion_4_platform_data.bin"
118 assert(region_type
< MAX_REGIONS
);
120 return region_filenames
[region_type
];
123 static int dump_region(int num
, struct frba_t
*frba
)
125 struct region_t region
;
128 ret
= get_region(frba
, num
, ®ion
);
132 printf(" Flash Region %d (%s): %08x - %08x %s\n",
133 num
, region_name(num
), region
.base
, region
.limit
,
134 region
.size
< 1 ? "(unused)" : "");
139 static void dump_frba(struct frba_t
*frba
)
143 printf("Found Region Section\n");
144 for (i
= 0; i
< MAX_REGIONS
; i
++) {
145 printf("FLREG%d: 0x%08x\n", i
, frba
->flreg
[i
]);
146 dump_region(i
, frba
);
150 static void decode_spi_frequency(unsigned int freq
)
153 case SPI_FREQUENCY_20MHZ
:
156 case SPI_FREQUENCY_33MHZ
:
159 case SPI_FREQUENCY_50MHZ
:
163 printf("unknown<%x>MHz", freq
);
167 static void decode_component_density(unsigned int density
)
170 case COMPONENT_DENSITY_512KB
:
173 case COMPONENT_DENSITY_1MB
:
176 case COMPONENT_DENSITY_2MB
:
179 case COMPONENT_DENSITY_4MB
:
182 case COMPONENT_DENSITY_8MB
:
185 case COMPONENT_DENSITY_16MB
:
189 printf("unknown<%x>MiB", density
);
193 static void dump_fcba(struct fcba_t
*fcba
)
195 printf("\nFound Component Section\n");
196 printf("FLCOMP 0x%08x\n", fcba
->flcomp
);
197 printf(" Dual Output Fast Read Support: %ssupported\n",
198 (fcba
->flcomp
& (1 << 30)) ? "" : "not ");
199 printf(" Read ID/Read Status Clock Frequency: ");
200 decode_spi_frequency((fcba
->flcomp
>> 27) & 7);
201 printf("\n Write/Erase Clock Frequency: ");
202 decode_spi_frequency((fcba
->flcomp
>> 24) & 7);
203 printf("\n Fast Read Clock Frequency: ");
204 decode_spi_frequency((fcba
->flcomp
>> 21) & 7);
205 printf("\n Fast Read Support: %ssupported",
206 (fcba
->flcomp
& (1 << 20)) ? "" : "not ");
207 printf("\n Read Clock Frequency: ");
208 decode_spi_frequency((fcba
->flcomp
>> 17) & 7);
209 printf("\n Component 2 Density: ");
210 decode_component_density((fcba
->flcomp
>> 3) & 7);
211 printf("\n Component 1 Density: ");
212 decode_component_density(fcba
->flcomp
& 7);
214 printf("FLILL 0x%08x\n", fcba
->flill
);
215 printf(" Invalid Instruction 3: 0x%02x\n",
216 (fcba
->flill
>> 24) & 0xff);
217 printf(" Invalid Instruction 2: 0x%02x\n",
218 (fcba
->flill
>> 16) & 0xff);
219 printf(" Invalid Instruction 1: 0x%02x\n",
220 (fcba
->flill
>> 8) & 0xff);
221 printf(" Invalid Instruction 0: 0x%02x\n",
223 printf("FLPB 0x%08x\n", fcba
->flpb
);
224 printf(" Flash Partition Boundary Address: 0x%06x\n\n",
225 (fcba
->flpb
& 0xfff) << 12);
228 static void dump_fpsba(struct fpsba_t
*fpsba
)
232 printf("Found PCH Strap Section\n");
233 for (i
= 0; i
< MAX_STRAPS
; i
++)
234 printf("PCHSTRP%-2d: 0x%08x\n", i
, fpsba
->pchstrp
[i
]);
237 static const char *get_enabled(int flag
)
239 return flag
? "enabled" : "disabled";
242 static void decode_flmstr(uint32_t flmstr
)
244 printf(" Platform Data Region Write Access: %s\n",
245 get_enabled(flmstr
& (1 << 28)));
246 printf(" GbE Region Write Access: %s\n",
247 get_enabled(flmstr
& (1 << 27)));
248 printf(" Intel ME Region Write Access: %s\n",
249 get_enabled(flmstr
& (1 << 26)));
250 printf(" Host CPU/BIOS Region Write Access: %s\n",
251 get_enabled(flmstr
& (1 << 25)));
252 printf(" Flash Descriptor Write Access: %s\n",
253 get_enabled(flmstr
& (1 << 24)));
255 printf(" Platform Data Region Read Access: %s\n",
256 get_enabled(flmstr
& (1 << 20)));
257 printf(" GbE Region Read Access: %s\n",
258 get_enabled(flmstr
& (1 << 19)));
259 printf(" Intel ME Region Read Access: %s\n",
260 get_enabled(flmstr
& (1 << 18)));
261 printf(" Host CPU/BIOS Region Read Access: %s\n",
262 get_enabled(flmstr
& (1 << 17)));
263 printf(" Flash Descriptor Read Access: %s\n",
264 get_enabled(flmstr
& (1 << 16)));
266 printf(" Requester ID: 0x%04x\n\n",
270 static void dump_fmba(struct fmba_t
*fmba
)
272 printf("Found Master Section\n");
273 printf("FLMSTR1: 0x%08x (Host CPU/BIOS)\n", fmba
->flmstr1
);
274 decode_flmstr(fmba
->flmstr1
);
275 printf("FLMSTR2: 0x%08x (Intel ME)\n", fmba
->flmstr2
);
276 decode_flmstr(fmba
->flmstr2
);
277 printf("FLMSTR3: 0x%08x (GbE)\n", fmba
->flmstr3
);
278 decode_flmstr(fmba
->flmstr3
);
281 static void dump_fmsba(struct fmsba_t
*fmsba
)
285 printf("Found Processor Strap Section\n");
286 for (i
= 0; i
< 4; i
++)
287 printf("????: 0x%08x\n", fmsba
->data
[0]);
290 static void dump_jid(uint32_t jid
)
292 printf(" SPI Component Device ID 1: 0x%02x\n",
294 printf(" SPI Component Device ID 0: 0x%02x\n",
296 printf(" SPI Component Vendor ID: 0x%02x\n",
300 static void dump_vscc(uint32_t vscc
)
302 printf(" Lower Erase Opcode: 0x%02x\n",
304 printf(" Lower Write Enable on Write Status: 0x%02x\n",
305 vscc
& (1 << 20) ? 0x06 : 0x50);
306 printf(" Lower Write Status Required: %s\n",
307 vscc
& (1 << 19) ? "Yes" : "No");
308 printf(" Lower Write Granularity: %d bytes\n",
309 vscc
& (1 << 18) ? 64 : 1);
310 printf(" Lower Block / Sector Erase Size: ");
311 switch ((vscc
>> 16) & 0x3) {
313 printf("256 Byte\n");
326 printf(" Upper Erase Opcode: 0x%02x\n",
328 printf(" Upper Write Enable on Write Status: 0x%02x\n",
329 vscc
& (1 << 4) ? 0x06 : 0x50);
330 printf(" Upper Write Status Required: %s\n",
331 vscc
& (1 << 3) ? "Yes" : "No");
332 printf(" Upper Write Granularity: %d bytes\n",
333 vscc
& (1 << 2) ? 64 : 1);
334 printf(" Upper Block / Sector Erase Size: ");
335 switch (vscc
& 0x3) {
337 printf("256 Byte\n");
351 static void dump_vtba(struct vtba_t
*vtba
, int vtl
)
354 int num
= (vtl
>> 1) < 8 ? (vtl
>> 1) : 8;
356 printf("ME VSCC table:\n");
357 for (i
= 0; i
< num
; i
++) {
358 printf(" JID%d: 0x%08x\n", i
, vtba
->entry
[i
].jid
);
359 dump_jid(vtba
->entry
[i
].jid
);
360 printf(" VSCC%d: 0x%08x\n", i
, vtba
->entry
[i
].vscc
);
361 dump_vscc(vtba
->entry
[i
].vscc
);
366 static void dump_oem(uint8_t *oem
)
369 printf("OEM Section:\n");
370 for (i
= 0; i
< 4; i
++) {
371 printf("%02x:", i
<< 4);
372 for (j
= 0; j
< 16; j
++)
373 printf(" %02x", oem
[(i
<<4)+j
]);
380 * dump_fd() - Display a dump of the full flash description
382 * @image: Pointer to image
383 * @size: Size of image in bytes
384 * @return 0 if OK, -1 on error
386 static int dump_fd(char *image
, int size
)
388 struct fdbar_t
*fdb
= find_fd(image
, size
);
393 printf("FLMAP0: 0x%08x\n", fdb
->flmap0
);
394 printf(" NR: %d\n", (fdb
->flmap0
>> 24) & 7);
395 printf(" FRBA: 0x%x\n", ((fdb
->flmap0
>> 16) & 0xff) << 4);
396 printf(" NC: %d\n", ((fdb
->flmap0
>> 8) & 3) + 1);
397 printf(" FCBA: 0x%x\n", ((fdb
->flmap0
) & 0xff) << 4);
399 printf("FLMAP1: 0x%08x\n", fdb
->flmap1
);
400 printf(" ISL: 0x%02x\n", (fdb
->flmap1
>> 24) & 0xff);
401 printf(" FPSBA: 0x%x\n", ((fdb
->flmap1
>> 16) & 0xff) << 4);
402 printf(" NM: %d\n", (fdb
->flmap1
>> 8) & 3);
403 printf(" FMBA: 0x%x\n", ((fdb
->flmap1
) & 0xff) << 4);
405 printf("FLMAP2: 0x%08x\n", fdb
->flmap2
);
406 printf(" PSL: 0x%04x\n", (fdb
->flmap2
>> 8) & 0xffff);
407 printf(" FMSBA: 0x%x\n", ((fdb
->flmap2
) & 0xff) << 4);
409 printf("FLUMAP1: 0x%08x\n", fdb
->flumap1
);
410 printf(" Intel ME VSCC Table Length (VTL): %d\n",
411 (fdb
->flumap1
>> 8) & 0xff);
412 printf(" Intel ME VSCC Table Base Address (VTBA): 0x%06x\n\n",
413 (fdb
->flumap1
& 0xff) << 4);
414 dump_vtba((struct vtba_t
*)
415 (image
+ ((fdb
->flumap1
& 0xff) << 4)),
416 (fdb
->flumap1
>> 8) & 0xff);
417 dump_oem((uint8_t *)image
+ 0xf00);
418 dump_frba((struct frba_t
*)(image
+ (((fdb
->flmap0
>> 16) & 0xff)
420 dump_fcba((struct fcba_t
*)(image
+ (((fdb
->flmap0
) & 0xff) << 4)));
421 dump_fpsba((struct fpsba_t
*)
422 (image
+ (((fdb
->flmap1
>> 16) & 0xff) << 4)));
423 dump_fmba((struct fmba_t
*)(image
+ (((fdb
->flmap1
) & 0xff) << 4)));
424 dump_fmsba((struct fmsba_t
*)(image
+ (((fdb
->flmap2
) & 0xff) << 4)));
430 * write_regions() - Write each region from an image to its own file
432 * The filename to use in each case is fixed - see region_filename()
434 * @image: Pointer to image
435 * @size: Size of image in bytes
436 * @return 0 if OK, -ve on error
438 static int write_regions(char *image
, int size
)
445 fdb
= find_fd(image
, size
);
449 frba
= (struct frba_t
*)(image
+ (((fdb
->flmap0
>> 16) & 0xff) << 4));
451 for (i
= 0; i
< MAX_REGIONS
; i
++) {
452 struct region_t region
;
455 ret
= get_region(frba
, i
, ®ion
);
458 dump_region(i
, frba
);
459 if (region
.size
<= 0)
461 region_fd
= open(region_filename(i
),
462 O_WRONLY
| O_CREAT
| O_TRUNC
, S_IRUSR
|
463 S_IWUSR
| S_IRGRP
| S_IROTH
);
464 if (write(region_fd
, image
+ region
.base
, region
.size
) !=
466 perror("Error while writing");
475 static int perror_fname(const char *fmt
, const char *fname
)
477 char msg
[strlen(fmt
) + strlen(fname
) + 1];
479 sprintf(msg
, fmt
, fname
);
486 * write_image() - Write the image to a file
488 * @filename: Filename to use for the image
489 * @image: Pointer to image
490 * @size: Size of image in bytes
491 * @return 0 if OK, -ve on error
493 static int write_image(char *filename
, char *image
, int size
)
497 debug("Writing new image to %s\n", filename
);
499 new_fd
= open(filename
, O_WRONLY
| O_CREAT
| O_TRUNC
, S_IRUSR
|
500 S_IWUSR
| S_IRGRP
| S_IROTH
);
502 return perror_fname("Could not open file '%s'", filename
);
503 if (write(new_fd
, image
, size
) != size
)
504 return perror_fname("Could not write file '%s'", filename
);
511 * set_spi_frequency() - Set the SPI frequency to use when booting
513 * Several frequencies are supported, some of which work with fast devices.
514 * For SPI emulators, the slowest (SPI_FREQUENCY_20MHZ) is often used. The
515 * Intel boot system uses this information somehow on boot.
517 * The image is updated with the supplied value
519 * @image: Pointer to image
520 * @size: Size of image in bytes
521 * @freq: SPI frequency to use
523 static void set_spi_frequency(char *image
, int size
, enum spi_frequency freq
)
525 struct fdbar_t
*fdb
= find_fd(image
, size
);
528 fcba
= (struct fcba_t
*)(image
+ (((fdb
->flmap0
) & 0xff) << 4));
530 /* clear bits 21-29 */
531 fcba
->flcomp
&= ~0x3fe00000;
532 /* Read ID and Read Status Clock Frequency */
533 fcba
->flcomp
|= freq
<< 27;
534 /* Write and Erase Clock Frequency */
535 fcba
->flcomp
|= freq
<< 24;
536 /* Fast Read Clock Frequency */
537 fcba
->flcomp
|= freq
<< 21;
541 * set_em100_mode() - Set a SPI frequency that will work with Dediprog EM100
543 * @image: Pointer to image
544 * @size: Size of image in bytes
546 static void set_em100_mode(char *image
, int size
)
548 struct fdbar_t
*fdb
= find_fd(image
, size
);
551 fcba
= (struct fcba_t
*)(image
+ (((fdb
->flmap0
) & 0xff) << 4));
552 fcba
->flcomp
&= ~(1 << 30);
553 set_spi_frequency(image
, size
, SPI_FREQUENCY_20MHZ
);
557 * lock_descriptor() - Lock the NE descriptor so it cannot be updated
559 * @image: Pointer to image
560 * @size: Size of image in bytes
562 static void lock_descriptor(char *image
, int size
)
564 struct fdbar_t
*fdb
= find_fd(image
, size
);
568 * TODO: Dynamically take Platform Data Region and GbE Region into
571 fmba
= (struct fmba_t
*)(image
+ (((fdb
->flmap1
) & 0xff) << 4));
572 fmba
->flmstr1
= 0x0a0b0000;
573 fmba
->flmstr2
= 0x0c0d0000;
574 fmba
->flmstr3
= 0x08080118;
578 * unlock_descriptor() - Lock the NE descriptor so it can be updated
580 * @image: Pointer to image
581 * @size: Size of image in bytes
583 static void unlock_descriptor(char *image
, int size
)
585 struct fdbar_t
*fdb
= find_fd(image
, size
);
588 fmba
= (struct fmba_t
*)(image
+ (((fdb
->flmap1
) & 0xff) << 4));
589 fmba
->flmstr1
= 0xffff0000;
590 fmba
->flmstr2
= 0xffff0000;
591 fmba
->flmstr3
= 0x08080118;
595 * open_for_read() - Open a file for reading
597 * @fname: Filename to open
598 * @sizep: Returns file size in bytes
599 * @return 0 if OK, -1 on error
601 int open_for_read(const char *fname
, int *sizep
)
603 int fd
= open(fname
, O_RDONLY
);
607 return perror_fname("Could not open file '%s'", fname
);
608 if (fstat(fd
, &buf
) == -1)
609 return perror_fname("Could not stat file '%s'", fname
);
610 *sizep
= buf
.st_size
;
611 debug("File %s is %d bytes\n", fname
, *sizep
);
617 * inject_region() - Add a file to an image region
619 * This puts a file into a particular region of the flash. Several pre-defined
622 * @image: Pointer to image
623 * @size: Size of image in bytes
624 * @region_type: Region where the file should be added
625 * @region_fname: Filename to add to the image
626 * @return 0 if OK, -ve on error
628 int inject_region(char *image
, int size
, int region_type
, char *region_fname
)
630 struct fdbar_t
*fdb
= find_fd(image
, size
);
631 struct region_t region
;
640 frba
= (struct frba_t
*)(image
+ (((fdb
->flmap0
>> 16) & 0xff) << 4));
642 ret
= get_region(frba
, region_type
, ®ion
);
645 if (region
.size
<= 0xfff) {
646 fprintf(stderr
, "Region %s is disabled in target. Not injecting.\n",
647 region_name(region_type
));
651 region_fd
= open_for_read(region_fname
, ®ion_size
);
655 if ((region_size
> region
.size
) ||
656 ((region_type
!= 1) && (region_size
> region
.size
))) {
657 fprintf(stderr
, "Region %s is %d(0x%x) bytes. File is %d(0x%x) bytes. Not injecting.\n",
658 region_name(region_type
), region
.size
,
659 region
.size
, region_size
, region_size
);
663 if ((region_type
== 1) && (region_size
< region
.size
)) {
664 fprintf(stderr
, "Region %s is %d(0x%x) bytes. File is %d(0x%x) bytes. Padding before injecting.\n",
665 region_name(region_type
), region
.size
,
666 region
.size
, region_size
, region_size
);
667 offset
= region
.size
- region_size
;
668 memset(image
+ region
.base
, 0xff, offset
);
671 if (size
< region
.base
+ offset
+ region_size
) {
672 fprintf(stderr
, "Output file is too small. (%d < %d)\n",
673 size
, region
.base
+ offset
+ region_size
);
677 if (read(region_fd
, image
+ region
.base
+ offset
, region_size
)
679 perror("Could not read file");
685 debug("Adding %s as the %s section\n", region_fname
,
686 region_name(region_type
));
692 * write_data() - Write some raw data into a region
694 * This puts a file into a particular place in the flash, ignoring the
695 * regions. Be careful not to overwrite something important.
697 * @image: Pointer to image
698 * @size: Size of image in bytes
699 * @addr: x86 ROM address to put file. The ROM ends at
700 * 0xffffffff so use an address relative to that. For an
701 * 8MB ROM the start address is 0xfff80000.
702 * @write_fname: Filename to add to the image
703 * @offset_uboot_top: Offset of the top of U-Boot
704 * @offset_uboot_start: Offset of the start of U-Boot
705 * @return number of bytes written if OK, -ve on error
707 static int write_data(char *image
, int size
, unsigned int addr
,
708 const char *write_fname
, int offset_uboot_top
,
709 int offset_uboot_start
)
711 int write_fd
, write_size
;
714 write_fd
= open_for_read(write_fname
, &write_size
);
718 offset
= (uint32_t)(addr
+ size
);
719 if (offset_uboot_top
) {
720 if (offset_uboot_start
< offset
&&
721 offset_uboot_top
>= offset
) {
722 fprintf(stderr
, "U-Boot image overlaps with region '%s'\n",
725 "U-Boot finishes at offset %x, file starts at %x\n",
726 offset_uboot_top
, offset
);
729 if (offset_uboot_start
> offset
&&
730 offset_uboot_start
<= offset
+ write_size
) {
731 fprintf(stderr
, "U-Boot image overlaps with region '%s'\n",
734 "U-Boot starts at offset %x, file finishes at %x\n",
735 offset_uboot_start
, offset
+ write_size
);
739 debug("Writing %s to offset %#x\n", write_fname
, offset
);
741 if (offset
< 0 || offset
+ write_size
> size
) {
742 fprintf(stderr
, "Output file is too small. (%d < %d)\n",
743 size
, offset
+ write_size
);
747 if (read(write_fd
, image
+ offset
, write_size
) != write_size
) {
748 perror("Could not read file");
757 static void print_version(void)
759 printf("ifdtool v%s -- ", IFDTOOL_VERSION
);
760 printf("Copyright (C) 2014 Google Inc.\n\n");
761 printf("SPDX-License-Identifier: GPL-2.0+\n");
764 static void print_usage(const char *name
)
766 printf("usage: %s [-vhdix?] <filename> [<outfile>]\n", name
);
768 " -d | --dump: dump intel firmware descriptor\n"
769 " -x | --extract: extract intel fd modules\n"
770 " -i | --inject <region>:<module> inject file <module> into region <region>\n"
771 " -w | --write <addr>:<file> write file to appear at memory address <addr>\n"
772 " multiple files can be written simultaneously\n"
773 " -s | --spifreq <20|33|50> set the SPI frequency\n"
774 " -e | --em100 set SPI frequency to 20MHz and disable\n"
775 " Dual Output Fast Read Support\n"
776 " -l | --lock Lock firmware descriptor and ME region\n"
777 " -u | --unlock Unlock firmware descriptor and ME region\n"
778 " -r | --romsize Specify ROM size\n"
779 " -D | --write-descriptor <file> Write descriptor at base\n"
780 " -c | --create Create a new empty image\n"
781 " -v | --version: print the version\n"
782 " -h | --help: print this help\n\n"
783 "<region> is one of Descriptor, BIOS, ME, GbE, Platform\n"
788 * get_two_words() - Convert a string into two words separated by :
790 * The supplied string is split at ':', two substrings are allocated and
793 * @str: String to split
794 * @firstp: Returns first string
795 * @secondp: Returns second string
796 * @return 0 if OK, -ve if @str does not have a :
798 static int get_two_words(const char *str
, char **firstp
, char **secondp
)
802 p
= strchr(str
, ':');
805 *firstp
= strdup(str
);
806 (*firstp
)[p
- str
] = '\0';
807 *secondp
= strdup(p
+ 1);
812 int main(int argc
, char *argv
[])
814 int opt
, option_index
= 0;
815 int mode_dump
= 0, mode_extract
= 0, mode_inject
= 0;
816 int mode_spifreq
= 0, mode_em100
= 0, mode_locked
= 0;
817 int mode_unlocked
= 0, mode_write
= 0, mode_write_descriptor
= 0;
819 char *region_type_string
= NULL
, *inject_fname
= NULL
;
820 char *desc_fname
= NULL
, *addr_str
= NULL
;
821 int region_type
= -1, inputfreq
= 0;
822 enum spi_frequency spifreq
= SPI_FREQUENCY_20MHZ
;
823 struct input_file input_file
[WRITE_MAX
], *ifile
, *fdt
= NULL
;
824 unsigned char wr_idx
, wr_num
= 0;
828 char *outfile
= NULL
;
831 bool have_uboot
= false;
835 static struct option long_options
[] = {
836 {"create", 0, NULL
, 'c'},
837 {"dump", 0, NULL
, 'd'},
838 {"descriptor", 1, NULL
, 'D'},
839 {"em100", 0, NULL
, 'e'},
840 {"extract", 0, NULL
, 'x'},
841 {"fdt", 1, NULL
, 'f'},
842 {"inject", 1, NULL
, 'i'},
843 {"lock", 0, NULL
, 'l'},
844 {"romsize", 1, NULL
, 'r'},
845 {"spifreq", 1, NULL
, 's'},
846 {"unlock", 0, NULL
, 'u'},
847 {"uboot", 1, NULL
, 'U'},
848 {"write", 1, NULL
, 'w'},
849 {"version", 0, NULL
, 'v'},
850 {"help", 0, NULL
, 'h'},
854 while ((opt
= getopt_long(argc
, argv
, "cdD:ef:hi:lr:s:uU:vw:x?",
855 long_options
, &option_index
)) != EOF
) {
864 mode_write_descriptor
= 1;
871 if (get_two_words(optarg
, ®ion_type_string
,
873 print_usage(argv
[0]);
876 if (!strcasecmp("Descriptor", region_type_string
))
878 else if (!strcasecmp("BIOS", region_type_string
))
880 else if (!strcasecmp("ME", region_type_string
))
882 else if (!strcasecmp("GbE", region_type_string
))
884 else if (!strcasecmp("Platform", region_type_string
))
886 if (region_type
== -1) {
887 fprintf(stderr
, "No such region type: '%s'\n\n",
889 print_usage(argv
[0]);
898 rom_size
= strtol(optarg
, NULL
, 0);
899 debug("ROM size %d\n", rom_size
);
902 /* Parse the requested SPI frequency */
903 inputfreq
= strtol(optarg
, NULL
, 0);
906 spifreq
= SPI_FREQUENCY_20MHZ
;
909 spifreq
= SPI_FREQUENCY_33MHZ
;
912 spifreq
= SPI_FREQUENCY_50MHZ
;
915 fprintf(stderr
, "Invalid SPI Frequency: %d\n",
917 print_usage(argv
[0]);
932 ifile
= &input_file
[wr_num
];
934 if (wr_num
< WRITE_MAX
) {
935 if (get_two_words(optarg
, &addr_str
,
937 print_usage(argv
[0]);
940 ifile
->addr
= strtoll(optarg
, NULL
, 0);
944 "The number of files to write simultaneously exceeds the limitation (%d)\n",
954 print_usage(argv
[0]);
960 if (mode_locked
== 1 && mode_unlocked
== 1) {
961 fprintf(stderr
, "Locking/Unlocking FD and ME are mutually exclusive\n");
965 if (mode_inject
== 1 && mode_write
== 1) {
966 fprintf(stderr
, "Inject/Write are mutually exclusive\n");
970 if ((mode_dump
+ mode_extract
+ mode_inject
+
971 (mode_spifreq
| mode_em100
| mode_unlocked
|
973 fprintf(stderr
, "You may not specify more than one mode.\n\n");
974 print_usage(argv
[0]);
978 if ((mode_dump
+ mode_extract
+ mode_inject
+ mode_spifreq
+
979 mode_em100
+ mode_locked
+ mode_unlocked
+ mode_write
+
980 mode_write_descriptor
) == 0 && !create
) {
981 fprintf(stderr
, "You need to specify a mode.\n\n");
982 print_usage(argv
[0]);
986 if (create
&& rom_size
== -1) {
987 fprintf(stderr
, "You need to specify a rom size when creating.\n\n");
991 if (optind
+ 1 != argc
) {
992 fprintf(stderr
, "You need to specify a file.\n\n");
993 print_usage(argv
[0]);
997 if (have_uboot
&& !fdt
) {
999 "You must supply a device tree file for U-Boot\n\n");
1000 print_usage(argv
[0]);
1004 filename
= argv
[optind
];
1005 if (optind
+ 2 != argc
)
1006 outfile
= argv
[optind
+ 1];
1009 bios_fd
= open(filename
, O_WRONLY
| O_CREAT
, 0666);
1011 bios_fd
= open(filename
, outfile
? O_RDONLY
: O_RDWR
);
1013 if (bios_fd
== -1) {
1014 perror("Could not open file");
1019 if (fstat(bios_fd
, &buf
) == -1) {
1020 perror("Could not stat file");
1026 debug("File %s is %d bytes\n", filename
, size
);
1031 image
= malloc(rom_size
);
1033 printf("Out of memory.\n");
1037 memset(image
, '\xff', rom_size
);
1038 if (!create
&& read(bios_fd
, image
, size
) != size
) {
1039 perror("Could not read file");
1042 if (size
!= rom_size
) {
1043 debug("ROM size changed to %d bytes\n", rom_size
);
1050 ret
= dump_fd(image
, size
);
1055 ret
= write_regions(image
, size
);
1059 if (mode_write_descriptor
)
1060 ret
= write_data(image
, size
, -size
, desc_fname
, 0, 0);
1063 ret
= inject_region(image
, size
, region_type
, inject_fname
);
1066 int offset_uboot_top
= 0;
1067 int offset_uboot_start
= 0;
1069 for (wr_idx
= 0; wr_idx
< wr_num
; wr_idx
++) {
1070 ifile
= &input_file
[wr_idx
];
1071 ret
= write_data(image
, size
, ifile
->addr
,
1072 ifile
->fname
, offset_uboot_top
,
1073 offset_uboot_start
);
1080 set_spi_frequency(image
, size
, spifreq
);
1083 set_em100_mode(image
, size
);
1086 lock_descriptor(image
, size
);
1089 unlock_descriptor(image
, size
);
1093 ret
= write_image(outfile
, image
, size
);
1095 if (lseek(bios_fd
, 0, SEEK_SET
)) {
1096 perror("Error while seeking");
1099 if (write(bios_fd
, image
, size
) != size
) {
1100 perror("Error while writing");
1109 return ret
< 0 ? 1 : 0;