blob: 130fa0630ac39a12dff0e000fb2fb0766e6b5b9f [file] [log] [blame]
Masahiro Yamadaed363232014-09-16 16:32:58 +09001menu "Library routines"
2
Marek Szyprowski69be8fd2020-06-03 14:43:40 +02003config ADDR_MAP
4 bool "Enable support for non-identity virtual-physical mappings"
5 help
6 Enables helper code for implementing non-identity virtual-physical
7 memory mappings for 32bit CPUs.
8
Bin Menge0103152021-02-25 17:22:36 +08009 This library only works in the post-relocation phase.
10
Marek Szyprowski69be8fd2020-06-03 14:43:40 +020011config SYS_NUM_ADDR_MAP
12 int "Size of the address-map table"
13 depends on ADDR_MAP
14 default 16
15 help
16 Sets the number of entries in the virtual-physical mapping table.
17
Adam Ford6ef2f902017-08-11 09:46:05 -050018config BCH
19 bool "Enable Software based BCH ECC"
20 help
21 Enables software based BCH ECC algorithm present in lib/bch.c
22 This is used by SoC platforms which do not have built-in ELM
23 hardware engine required for BCH ECC correction.
24
Simon Glass3c10dc92019-12-06 21:41:34 -070025config BINMAN_FDT
26 bool "Allow access to binman information in the device tree"
Bin Meng56e72572021-02-03 21:20:02 +080027 depends on BINMAN && DM && OF_CONTROL
Bin Meng1621d3c2021-05-10 20:23:36 +080028 default y if OF_SEPARATE || OF_EMBED
Simon Glass3c10dc92019-12-06 21:41:34 -070029 help
30 This enables U-Boot to access information about binman entries,
31 stored in the device tree in a binman node. Typical uses are to
32 locate entries in the firmware image. See binman.h for the available
33 functionality.
34
Masahiro Yamadab0928da2014-09-16 16:32:59 +090035config CC_OPTIMIZE_LIBS_FOR_SPEED
36 bool "Optimize libraries for speed"
37 help
38 Enabling this option will pass "-O2" to gcc when compiling
39 under "lib" directory.
40
41 If unsure, say N.
42
Simon Glass1a46cb62021-07-02 12:36:17 -060043config CHARSET
44 bool
45 default y if UT_UNICODE || EFI_LOADER || UFS
46 help
47 Enables support for various conversions between different
48 character sets, such as between unicode representations and
49 different 'code pages'.
50
Faiz Abbas36c18772018-02-06 19:15:58 +053051config DYNAMIC_CRC_TABLE
52 bool "Enable Dynamic tables for CRC"
53 help
54 Enable this option to calculate entries for CRC tables at runtime.
55 This can be helpful when reducing the size of the build image
56
Bin Meng2895c4b2018-10-15 02:21:15 -070057config HAVE_ARCH_IOMAP
58 bool
59 help
60 Enable this option if architecture provides io{read,write}{8,16,32}
61 I/O accessor functions.
62
Masahiro Yamada45ccec82014-10-24 01:30:43 +090063config HAVE_PRIVATE_LIBGCC
64 bool
65
Adam Forda451bc22018-02-06 12:14:28 -060066config LIB_UUID
67 bool
68
Alex Kiernan14ad44a2018-04-19 04:32:54 +000069config PRINTF
70 bool
71 default y
72
73config SPL_PRINTF
74 bool
75 select SPL_SPRINTF
Simon Glass27084c02019-09-25 08:56:27 -060076 select SPL_STRTO if !SPL_USE_TINY_PRINTF
Alex Kiernan14ad44a2018-04-19 04:32:54 +000077
78config TPL_PRINTF
79 bool
80 select TPL_SPRINTF
Simon Glass27084c02019-09-25 08:56:27 -060081 select TPL_STRTO if !TPL_USE_TINY_PRINTF
Alex Kiernan14ad44a2018-04-19 04:32:54 +000082
83config SPRINTF
84 bool
85 default y
86
87config SPL_SPRINTF
88 bool
89
90config TPL_SPRINTF
91 bool
92
Andrii Anisove87dfb02020-08-06 12:42:52 +030093config SSCANF
94 bool
95 default n
96
Alex Kiernan14ad44a2018-04-19 04:32:54 +000097config STRTO
98 bool
99 default y
100
101config SPL_STRTO
102 bool
103
104config TPL_STRTO
105 bool
106
Alex Kiernanc232d142018-05-29 15:30:52 +0000107config IMAGE_SPARSE
108 bool
109
110config IMAGE_SPARSE_FILLBUF_SIZE
111 hex "Android sparse image CHUNK_TYPE_FILL buffer size"
112 default 0x80000
113 depends on IMAGE_SPARSE
114 help
115 Set the size of the fill buffer used when processing CHUNK_TYPE_FILL
116 chunks.
117
Masahiro Yamada45ccec82014-10-24 01:30:43 +0900118config USE_PRIVATE_LIBGCC
119 bool "Use private libgcc"
120 depends on HAVE_PRIVATE_LIBGCC
Marek Vasut91b86e22016-05-26 18:01:47 +0200121 default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS)
Masahiro Yamada45ccec82014-10-24 01:30:43 +0900122 help
123 This option allows you to use the built-in libgcc implementation
Masahiro Yamada67976302016-03-30 20:17:42 +0900124 of U-Boot instead of the one provided by the compiler.
Masahiro Yamada45ccec82014-10-24 01:30:43 +0900125 If unsure, say N.
126
Masahiro Yamada8c688bc2014-10-24 01:30:40 +0900127config SYS_HZ
128 int
129 default 1000
130 help
131 The frequency of the timer returned by get_timer().
132 get_timer() must operate in milliseconds and this option must be
133 set to 1000.
134
Simon Glass27084c02019-09-25 08:56:27 -0600135config SPL_USE_TINY_PRINTF
Thomas Hebb37ef1772019-11-10 08:23:53 -0800136 bool "Enable tiny printf() version in SPL"
Simon Glass27084c02019-09-25 08:56:27 -0600137 depends on SPL
Tom Rini2a51e162019-06-08 12:46:18 -0400138 default y
Stefan Roese7d9cde12015-11-23 07:00:22 +0100139 help
140 This option enables a tiny, stripped down printf version.
141 This should only be used in space limited environments,
142 like SPL versions with hard memory limits. This version
143 reduces the code size by about 2.5KiB on armv7.
144
145 The supported format specifiers are %c, %s, %u/%d and %x.
146
Simon Glass27084c02019-09-25 08:56:27 -0600147config TPL_USE_TINY_PRINTF
Thomas Hebb37ef1772019-11-10 08:23:53 -0800148 bool "Enable tiny printf() version in TPL"
Simon Glass27084c02019-09-25 08:56:27 -0600149 depends on TPL
150 default y if SPL_USE_TINY_PRINTF
151 help
152 This option enables a tiny, stripped down printf version.
153 This should only be used in space limited environments,
154 like SPL versions with hard memory limits. This version
155 reduces the code size by about 2.5KiB on armv7.
156
157 The supported format specifiers are %c, %s, %u/%d and %x.
158
Masahiro Yamada7e3caa82017-12-04 12:37:00 +0900159config PANIC_HANG
160 bool "Do not reset the system on fatal error"
161 help
162 Define this option to stop the system in case of a fatal error,
163 so that you have to reset it manually. This is probably NOT a good
164 idea for an embedded system where you want the system to reboot
165 automatically as fast as possible, but it may be useful during
166 development since you can try to debug the conditions that lead to
167 the situation.
168
Joe Hershberger1a606502015-04-21 17:02:42 -0500169config REGEX
170 bool "Enable regular expression support"
Joe Hershbergerf7848d92015-06-22 17:57:36 -0500171 default y if NET
Joe Hershberger1a606502015-04-21 17:02:42 -0500172 help
173 If this variable is defined, U-Boot is linked against the
174 SLRE (Super Light Regular Expression) library, which adds
175 regex support to some commands, for example "env grep" and
176 "setexpr".
177
Adam Forda5a37562018-02-06 10:18:18 -0600178choice
179 prompt "Pseudo-random library support type"
Heinrich Schuchardt16112352020-01-19 19:28:12 +0100180 depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID || \
Heinrich Schuchardt28cef9c2020-11-20 12:55:22 +0100181 RNG_SANDBOX || UT_LIB && AES || FAT_WRITE
Adam Forda5a37562018-02-06 10:18:18 -0600182 default LIB_RAND
Masahiro Yamada3850dbe2015-06-11 19:16:43 +0900183 help
Adam Forda5a37562018-02-06 10:18:18 -0600184 Select the library to provide pseudo-random number generator
185 functions. LIB_HW_RAND supports certain hardware engines that
186 provide this functionality. If in doubt, select LIB_RAND.
187
188config LIB_RAND
189 bool "Pseudo-random library support"
190
191config LIB_HW_RAND
Marcin Juszkiewicz43e442a2020-05-26 19:07:15 +0200192 bool "HW Engine for random library support"
Adam Forda5a37562018-02-06 10:18:18 -0600193
194endchoice
Michal Simek9ba9e852015-05-25 11:37:22 +0200195
Simon Glassab4458b2017-04-02 09:50:28 -0600196config SPL_TINY_MEMSET
197 bool "Use a very small memset() in SPL"
198 help
199 The faster memset() is the arch-specific one (if available) enabled
200 by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get
201 better performance by writing a word at a time. But in very
Chris Packham6e705112019-01-13 22:13:28 +1300202 size-constrained environments even this may be too big. Enable this
Simon Glassab4458b2017-04-02 09:50:28 -0600203 option to reduce code size slightly at the cost of some speed.
204
Philipp Tomsich96b90822017-08-03 22:52:04 +0200205config TPL_TINY_MEMSET
206 bool "Use a very small memset() in TPL"
207 help
208 The faster memset() is the arch-specific one (if available) enabled
209 by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get
210 better performance by writing a word at a time. But in very
Chris Packham6e705112019-01-13 22:13:28 +1300211 size-constrained environments even this may be too big. Enable this
Philipp Tomsich96b90822017-08-03 22:52:04 +0200212 option to reduce code size slightly at the cost of some speed.
213
Boris Brezillonaa049152017-02-27 18:22:05 +0100214config RBTREE
215 bool
216
Nandor Handa5337a2017-11-08 15:35:14 +0000217config BITREVERSE
218 bool "Bit reverse library from Linux"
219
Simon Glassa24a78d2019-04-08 13:20:51 -0600220config TRACE
221 bool "Support for tracing of function calls and timing"
222 imply CMD_TRACE
Pragnesh Patela80f8512021-01-17 18:11:24 +0530223 select TIMER_EARLY
Simon Glassa24a78d2019-04-08 13:20:51 -0600224 help
225 Enables function tracing within U-Boot. This allows recording of call
226 traces including timing information. The command can write data to
227 memory for exporting for analysis (e.g. using bootchart).
228 See doc/README.trace for full details.
229
Simon Glass1c6eb072019-04-08 13:20:52 -0600230config TRACE_BUFFER_SIZE
231 hex "Size of trace buffer in U-Boot"
232 depends on TRACE
233 default 0x01000000
234 help
235 Sets the size of the trace buffer in U-Boot. This is allocated from
236 memory during relocation. If this buffer is too small, the trace
237 history will be truncated, with later records omitted.
238
239 If early trace is enabled (i.e. before relocation), this buffer must
240 be large enough to include all the data from the early trace buffer as
241 well, since this is copied over to the main buffer during relocation.
242
243 A trace record is emitted for each function call and each record is
244 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If
245 the size is too small then 'trace stats' will show a message saying
246 how many records were dropped due to buffer overflow.
247
Heinrich Schuchardtda0fb5f2019-06-02 13:30:09 +0200248config TRACE_CALL_DEPTH_LIMIT
249 int "Trace call depth limit"
250 depends on TRACE
251 default 15
252 help
253 Sets the maximum call depth up to which function calls are recorded.
254
Simon Glass1c6eb072019-04-08 13:20:52 -0600255config TRACE_EARLY
256 bool "Enable tracing before relocation"
257 depends on TRACE
258 help
259 Sometimes it is helpful to trace execution of U-Boot before
260 relocation. This is possible by using a arch-specific, fixed buffer
261 position in memory. Enable this option to start tracing as early as
262 possible after U-Boot starts.
263
264config TRACE_EARLY_SIZE
265 hex "Size of early trace buffer in U-Boot"
266 depends on TRACE_EARLY
267 default 0x00100000
268 help
269 Sets the size of the early trace buffer in bytes. This is used to hold
270 tracing information before relocation.
271
Heinrich Schuchardtda0fb5f2019-06-02 13:30:09 +0200272config TRACE_EARLY_CALL_DEPTH_LIMIT
273 int "Early trace call depth limit"
274 depends on TRACE_EARLY
275 default 200
276 help
277 Sets the maximum call depth up to which function calls are recorded
278 during early tracing.
279
Simon Glass1c6eb072019-04-08 13:20:52 -0600280config TRACE_EARLY_ADDR
281 hex "Address of early trace buffer in U-Boot"
282 depends on TRACE_EARLY
283 default 0x00100000
284 help
285 Sets the address of the early trace buffer in U-Boot. This memory
286 must be accessible before relocation.
287
288 A trace record is emitted for each function call and each record is
289 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If
290 the size is too small then the message which says the amount of early
291 data being coped will the the same as the
292
Simon Glassd1389402015-06-23 15:38:23 -0600293source lib/dhry/Kconfig
294
Simon Glassb1a873d2017-04-26 22:27:49 -0600295menu "Security support"
296
297config AES
298 bool "Support the AES algorithm"
299 help
300 This provides a means to encrypt and decrypt data using the AES
301 (Advanced Encryption Standard). This algorithm uses a symetric key
302 and is widely used as a streaming cipher. Different key lengths are
303 supported by the algorithm but only a 128-bit key is supported at
304 present.
305
Alexandru Gagniuc928a8be2021-07-29 11:47:16 -0500306source lib/ecdsa/Kconfig
Ruchika Guptad9f23c72015-01-23 16:01:56 +0530307source lib/rsa/Kconfig
AKASHI Takahirob4adf622019-11-13 09:45:00 +0900308source lib/crypto/Kconfig
Steffen Jaeckel26dd9932021-07-08 15:57:33 +0200309source lib/crypt/Kconfig
Ruchika Guptac4beb222015-01-23 16:01:51 +0530310
Simon Glassa7d660b2015-08-22 18:31:19 -0600311config TPM
312 bool "Trusted Platform Module (TPM) Support"
Simon Glass2419cd12015-10-03 06:39:36 -0600313 depends on DM
Simon Glassa7d660b2015-08-22 18:31:19 -0600314 help
315 This enables support for TPMs which can be used to provide security
316 features for your board. The TPM can be connected via LPC or I2C
317 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
318 command to interactive the TPM. Driver model support is provided
319 for the low-level TPM interface, but only one TPM is supported at
320 a time by the TPM library.
321
Simon Glass63078962018-10-01 12:22:19 -0600322config SPL_TPM
323 bool "Trusted Platform Module (TPM) Support in SPL"
324 depends on SPL_DM
325 help
326 This enables support for TPMs which can be used to provide security
327 features for your board. The TPM can be connected via LPC or I2C
328 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
329 command to interactive the TPM. Driver model support is provided
330 for the low-level TPM interface, but only one TPM is supported at
331 a time by the TPM library.
332
333config TPL_TPM
334 bool "Trusted Platform Module (TPM) Support in TPL"
335 depends on TPL_DM
336 help
337 This enables support for TPMs which can be used to provide security
338 features for your board. The TPM can be connected via LPC or I2C
339 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
340 command to interactive the TPM. Driver model support is provided
341 for the low-level TPM interface, but only one TPM is supported at
342 a time by the TPM library.
343
Simon Glassb1a873d2017-04-26 22:27:49 -0600344endmenu
345
Igor Opaniuk33305842018-06-03 21:56:37 +0300346menu "Android Verified Boot"
347
348config LIBAVB
349 bool "Android Verified Boot 2.0 support"
350 depends on ANDROID_BOOT_IMAGE
351 default n
352 help
353 This enables support of Android Verified Boot 2.0 which can be used
354 to assure the end user of the integrity of the software running on a
355 device. Introduces such features as boot chain of trust, rollback
356 protection etc.
357
358endmenu
359
gaurav rana94e3c8c2015-02-20 12:51:46 +0530360menu "Hashing Support"
361
362config SHA1
363 bool "Enable SHA1 support"
364 help
365 This option enables support of hashing using SHA1 algorithm.
366 The hash is calculated in software.
367 The SHA1 algorithm produces a 160-bit (20-byte) hash value
368 (digest).
369
370config SHA256
371 bool "Enable SHA256 support"
372 help
373 This option enables support of hashing using SHA256 algorithm.
374 The hash is calculated in software.
375 The SHA256 algorithm produces a 256-bit (32-byte) hash value
376 (digest).
377
Reuben Dowled16b38f2020-04-16 17:36:52 +1200378
379config SHA512
380 bool "Enable SHA512 support"
Reuben Dowled16b38f2020-04-16 17:36:52 +1200381 help
382 This option enables support of hashing using SHA512 algorithm.
383 The hash is calculated in software.
384 The SHA512 algorithm produces a 512-bit (64-byte) hash value
385 (digest).
386
387config SHA384
388 bool "Enable SHA384 support"
Alexandru Gagniuce60e4492021-09-02 19:54:18 -0500389 select SHA512
Reuben Dowled16b38f2020-04-16 17:36:52 +1200390 help
391 This option enables support of hashing using SHA384 algorithm.
Alexandru Gagniuce60e4492021-09-02 19:54:18 -0500392 The hash is calculated in software. This is also selects SHA512,
393 because these implementations share the bulk of the code..
Reuben Dowled16b38f2020-04-16 17:36:52 +1200394 The SHA384 algorithm produces a 384-bit (48-byte) hash value
395 (digest).
396
gaurav rana94e3c8c2015-02-20 12:51:46 +0530397config SHA_HW_ACCEL
Heinrich Schuchardte2ae4832021-05-14 07:08:27 +0200398 bool "Enable hardware acceleration for SHA hash functions"
gaurav rana94e3c8c2015-02-20 12:51:46 +0530399 help
Heinrich Schuchardte2ae4832021-05-14 07:08:27 +0200400 This option enables hardware acceleration for the SHA1 and SHA256
401 hashing algorithms. This affects the 'hash' command and also the
402 hash_lookup_algo() function.
403
404if SHA_HW_ACCEL
405
406config SHA512_HW_ACCEL
407 bool "Enable hardware acceleration for SHA512"
Alexandru Gagniuce60e4492021-09-02 19:54:18 -0500408 depends on SHA512
Heinrich Schuchardte2ae4832021-05-14 07:08:27 +0200409 help
410 This option enables hardware acceleration for the SHA384 and SHA512
411 hashing algorithms. This affects the 'hash' command and also the
412 hash_lookup_algo() function.
gaurav rana94e3c8c2015-02-20 12:51:46 +0530413
414config SHA_PROG_HW_ACCEL
415 bool "Enable Progressive hashing support using hardware"
gaurav rana94e3c8c2015-02-20 12:51:46 +0530416 help
Joel Stanleya479f102021-02-17 13:50:42 +1030417 This option enables hardware-acceleration for SHA progressive
418 hashing.
419 Data can be streamed in a block at a time and the hashing is
420 performed in hardware.
Andre Przywarabea79d72017-03-15 01:19:05 +0000421
Heinrich Schuchardte2ae4832021-05-14 07:08:27 +0200422endif
423
Andre Przywarabea79d72017-03-15 01:19:05 +0000424config MD5
Simon Glass8239be62020-05-06 08:03:56 -0600425 bool "Support MD5 algorithm"
426 help
427 This option enables MD5 support. MD5 is an algorithm designed
428 in 1991 that produces a 16-byte digest (or checksum) from its input
429 data. It has a number of vulnerabilities which preclude its use in
430 security applications, but it can be useful for providing a quick
431 checksum of a block of data.
432
433config SPL_MD5
434 bool "Support MD5 algorithm in SPL"
435 help
436 This option enables MD5 support in SPL. MD5 is an algorithm designed
437 in 1991 that produces a 16-byte digest (or checksum) from its input
438 data. It has a number of vulnerabilities which preclude its use in
439 security applications, but it can be useful for providing a quick
440 checksum of a block of data.
Andre Przywarabea79d72017-03-15 01:19:05 +0000441
Marek Behún85d8bf52017-09-03 17:00:23 +0200442config CRC32C
443 bool
444
Marek Behún83a486b2019-04-29 22:40:43 +0200445config XXHASH
446 bool
447
gaurav rana94e3c8c2015-02-20 12:51:46 +0530448endmenu
449
Julius Werner027b7282015-10-06 20:03:53 -0700450menu "Compression Support"
451
452config LZ4
453 bool "Enable LZ4 decompression support"
454 help
455 If this option is set, support for LZ4 compressed images
456 is included. The LZ4 algorithm can run in-place as long as the
457 compressed image is loaded to the end of the output buffer, and
458 trades lower compression ratios for much faster decompression.
Patrick Delaunay4fa01502021-03-10 10:16:28 +0100459
Julius Werner027b7282015-10-06 20:03:53 -0700460 NOTE: This implements the release version of the LZ4 frame
461 format as generated by default by the 'lz4' command line tool.
462 This is not the same as the outdated, less efficient legacy
463 frame format currently (2015) implemented in the Linux kernel
464 (generated by 'lz4 -l'). The two formats are incompatible.
465
Simon Glassaed998a2017-05-17 03:25:42 -0600466config LZMA
467 bool "Enable LZMA decompression support"
468 help
469 This enables support for LZMA (Lempel-Ziv-Markov chain algorithm),
470 a dictionary compression algorithm that provides a high compression
471 ratio and fairly fast decompression speed. See also
472 CONFIG_CMD_LZMADEC which provides a decode command.
473
Boris Brezillon173aafb2017-02-27 18:22:06 +0100474config LZO
Tom Rinid56b4b12017-07-22 18:36:16 -0400475 bool "Enable LZO decompression support"
476 help
Oleksandr Suvorov5145bc72021-09-01 16:05:08 +0300477 This enables support for the LZO compression algorithm.
York Sun7264f292017-08-15 11:14:43 -0700478
Marek Vasut95f4bbd2019-03-08 16:06:55 +0100479config GZIP
Heiko Schocher51323612019-04-29 08:59:38 +0200480 bool "Enable gzip decompression support"
Marek Vasut95f4bbd2019-03-08 16:06:55 +0100481 select ZLIB
482 default y
483 help
484 This enables support for GZIP compression algorithm.
485
Joao Marcos Costa81014f72020-07-30 15:33:49 +0200486config ZLIB_UNCOMPRESS
487 bool "Enables zlib's uncompress() functionality"
488 help
489 This enables an extra zlib functionality: the uncompress() function,
490 which decompresses data from a buffer into another, knowing their
491 sizes. Unlike gunzip(), there is no header parsing.
492
Michael Walleeff5a542020-05-22 14:07:36 +0200493config GZIP_COMPRESSED
494 bool
495 select ZLIB
496
Atish Patra2a2119e2020-03-05 16:24:21 -0800497config BZIP2
498 bool "Enable bzip2 decompression support"
499 help
500 This enables support for BZIP2 compression algorithm.
501
Marek Vasut95f4bbd2019-03-08 16:06:55 +0100502config ZLIB
503 bool
504 default y
505 help
506 This enables ZLIB compression lib.
507
Marek Behún8509f222019-04-29 22:40:44 +0200508config ZSTD
509 bool "Enable Zstandard decompression support"
510 select XXHASH
511 help
512 This enables Zstandard decompression library.
513
Simon Glass048c6e82018-11-06 15:21:30 -0700514config SPL_LZ4
515 bool "Enable LZ4 decompression support in SPL"
516 help
Marcin Juszkiewicz43e442a2020-05-26 19:07:15 +0200517 This enables support for the LZ4 decompression algorithm in SPL. LZ4
Simon Glass048c6e82018-11-06 15:21:30 -0700518 is a lossless data compression algorithm that is focused on
519 fast compression and decompression speed. It belongs to the LZ77
520 family of byte-oriented compression schemes.
521
Weijie Gao04cb3992020-04-21 09:28:38 +0200522config SPL_LZMA
523 bool "Enable LZMA decompression support for SPL build"
524 help
Marcin Juszkiewicz43e442a2020-05-26 19:07:15 +0200525 This enables support for LZMA compression algorithm for SPL boot.
Weijie Gao04cb3992020-04-21 09:28:38 +0200526
Jean-Jacques Hiblotf52bdf42017-09-15 12:57:30 +0200527config SPL_LZO
528 bool "Enable LZO decompression support in SPL"
529 help
530 This enables support for LZO compression algorithm in the SPL.
531
York Sun7264f292017-08-15 11:14:43 -0700532config SPL_GZIP
533 bool "Enable gzip decompression support for SPL build"
534 select SPL_ZLIB
535 help
Oleksandr Suvorov5145bc72021-09-01 16:05:08 +0300536 This enables support for the GZIP compression algorithm for SPL boot.
York Sun7264f292017-08-15 11:14:43 -0700537
538config SPL_ZLIB
539 bool
540 help
541 This enables compression lib for SPL boot.
542
Marek Behún8509f222019-04-29 22:40:44 +0200543config SPL_ZSTD
544 bool "Enable Zstandard decompression support in SPL"
545 select XXHASH
546 help
547 This enables Zstandard decompression library in the SPL.
548
Julius Werner027b7282015-10-06 20:03:53 -0700549endmenu
550
Przemyslaw Marczak6501ff62015-04-20 20:07:40 +0200551config ERRNO_STR
552 bool "Enable function for getting errno-related string message"
553 help
554 The function errno_str(int errno), returns a pointer to the errno
555 corresponding text message:
556 - if errno is null or positive number - a pointer to "Success" message
557 - if errno is negative - a pointer to errno related message
558
Alexey Brodkinf8c987f2018-06-05 17:17:57 +0300559config HEXDUMP
560 bool "Enable hexdump"
561 help
562 This enables functions for printing dumps of binary data.
563
Simon Glass26637e22020-09-12 11:13:35 -0600564config SPL_HEXDUMP
565 bool "Enable hexdump in SPL"
Heinrich Schuchardtfa3f1f12021-07-24 17:35:46 +0200566 depends on SPL && HEXDUMP
Simon Glass26637e22020-09-12 11:13:35 -0600567 help
568 This enables functions for printing dumps of binary data in
569 SPL.
570
Sean Anderson72eda502020-10-27 19:55:36 -0400571config GETOPT
572 bool "Enable getopt"
573 help
574 This enables functions for parsing command-line options.
575
Simon Glass69e173e2016-02-22 22:55:42 -0700576config OF_LIBFDT
577 bool "Enable the FDT library"
578 default y if OF_CONTROL
579 help
580 This enables the FDT library (libfdt). It provides functions for
581 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinf1a7ba12017-08-18 17:58:51 +0200582 removing nodes and properties, scanning through the tree and finding
Simon Glass69e173e2016-02-22 22:55:42 -0700583 particular compatible nodes. The library operates on a flattened
584 version of the device tree.
585
Simon Glass0d76afc2019-10-27 09:47:40 -0600586config OF_LIBFDT_ASSUME_MASK
587 hex "Mask of conditions to assume for libfdt"
588 depends on OF_LIBFDT || FIT
589 default 0
590 help
591 Use this to change the assumptions made by libfdt about the
592 device tree it is working with. A value of 0 means that no assumptions
593 are made, and libfdt is able to deal with malicious data. A value of
594 0xff means all assumptions are made and any invalid data may cause
595 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
596
Maxime Ripardddf67f72016-07-05 10:26:44 +0200597config OF_LIBFDT_OVERLAY
598 bool "Enable the FDT library overlay support"
Tom Rini64175722018-05-08 08:52:17 -0400599 depends on OF_LIBFDT
Praneeth Bajjuri58a46f82018-04-25 16:03:23 -0500600 default y if ARCH_OMAP2PLUS || ARCH_KEYSTONE
Maxime Ripardddf67f72016-07-05 10:26:44 +0200601 help
602 This enables the FDT library (libfdt) overlay support.
603
Simon Glassaa34fbc2016-02-22 22:55:45 -0700604config SPL_OF_LIBFDT
605 bool "Enable the FDT library for SPL"
606 default y if SPL_OF_CONTROL
607 help
608 This enables the FDT library (libfdt). It provides functions for
609 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinf1a7ba12017-08-18 17:58:51 +0200610 removing nodes and properties, scanning through the tree and finding
Simon Glassaa34fbc2016-02-22 22:55:45 -0700611 particular compatible nodes. The library operates on a flattened
612 version of the device tree.
613
Simon Glass0d76afc2019-10-27 09:47:40 -0600614config SPL_OF_LIBFDT_ASSUME_MASK
615 hex "Mask of conditions to assume for libfdt"
616 depends on SPL_OF_LIBFDT || FIT
617 default 0xff
618 help
619 Use this to change the assumptions made by libfdt in SPL about the
620 device tree it is working with. A value of 0 means that no assumptions
621 are made, and libfdt is able to deal with malicious data. A value of
622 0xff means all assumptions are made and any invalid data may cause
623 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
624
Simon Glass5592a632018-10-01 12:22:21 -0600625config TPL_OF_LIBFDT
626 bool "Enable the FDT library for TPL"
627 default y if TPL_OF_CONTROL
628 help
629 This enables the FDT library (libfdt). It provides functions for
630 accessing binary device tree images in memory, such as adding and
631 removing nodes and properties, scanning through the tree and finding
632 particular compatible nodes. The library operates on a flattened
633 version of the device tree.
634
Simon Glass0d76afc2019-10-27 09:47:40 -0600635config TPL_OF_LIBFDT_ASSUME_MASK
636 hex "Mask of conditions to assume for libfdt"
637 depends on TPL_OF_LIBFDT || FIT
638 default 0xff
639 help
640 Use this to change the assumptions made by libfdt in TPL about the
641 device tree it is working with. A value of 0 means that no assumptions
642 are made, and libfdt is able to deal with malicious data. A value of
643 0xff means all assumptions are made and any invalid data may cause
644 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
645
Heiko Schocherebf7fff2016-10-06 07:31:45 +0200646config FDT_FIXUP_PARTITIONS
647 bool "overwrite MTD partitions in DTS through defined in 'mtdparts'"
648 depends on OF_LIBFDT
Masahiro Yamadaab948cd2018-07-20 11:04:09 +0900649 depends on CMD_MTDPARTS
Heiko Schocherebf7fff2016-10-06 07:31:45 +0200650 help
651 Allow overwriting defined partitions in the device tree blob
652 using partition info defined in the 'mtdparts' environment
653 variable.
654
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200655menu "System tables"
Alexander Grafe663b352016-08-19 01:23:29 +0200656 depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER)
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200657
Simon Glassd2cb7a22020-11-04 09:57:25 -0700658config BLOBLIST_TABLES
659 bool "Put tables in a bloblist"
Simon Glassf2c14422021-03-15 18:11:22 +1300660 depends on X86 && BLOBLIST
Simon Glassd2cb7a22020-11-04 09:57:25 -0700661 help
662 Normally tables are placed at address 0xf0000 and can be up to 64KB
663 long. With this option, tables are instead placed in the bloblist
664 with a pointer from 0xf0000. The size can then be larger and the
665 tables can be placed high in memory.
666
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200667config GENERATE_SMBIOS_TABLE
668 bool "Generate an SMBIOS (System Management BIOS) table"
669 default y
Alexander Grafe663b352016-08-19 01:23:29 +0200670 depends on X86 || EFI_LOADER
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200671 help
672 The System Management BIOS (SMBIOS) specification addresses how
673 motherboard and system vendors present management information about
674 their products in a standard format by extending the BIOS interface
675 on Intel architecture systems.
676
677 Check http://www.dmtf.org/standards/smbios for details.
678
Simon Glass44c74bd2020-11-05 06:32:11 -0700679 See also SMBIOS_SYSINFO which allows SMBIOS values to be provided in
680 the devicetree.
681
Tero Kristo7d0f3fb2021-06-11 11:45:02 +0300682config LIB_RATIONAL
683 bool "enable continued fraction calculation routines"
684
685config SPL_LIB_RATIONAL
686 bool "enable continued fraction calculation routines for SPL"
687 depends on SPL
688
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200689endmenu
690
AKASHI Takahiro2b121962019-11-13 09:44:53 +0900691config ASN1_COMPILER
692 bool
693
AKASHI Takahiroab8a0e02019-11-13 09:44:55 +0900694config ASN1_DECODER
695 bool
696 help
697 Enable asn1 decoder library.
698
AKASHI Takahiroa9b45e62019-11-13 09:44:57 +0900699config OID_REGISTRY
700 bool
701 help
702 Enable fast lookup object identifier registry.
703
Christian Gmeiner415eab02020-11-03 15:34:51 +0100704config SMBIOS_PARSER
705 bool "SMBIOS parser"
706 help
707 A simple parser for SMBIOS data.
708
Simon Glass867a6ac2015-07-31 09:31:36 -0600709source lib/efi/Kconfig
Alexander Grafed980b82016-03-04 01:10:07 +0100710source lib/efi_loader/Kconfig
Bryan O'Donoghue32ce6172018-03-13 16:50:27 +0000711source lib/optee/Kconfig
Simon Glass867a6ac2015-07-31 09:31:36 -0600712
Thierry Reding54969b42019-03-21 19:10:04 +0100713config TEST_FDTDEC
714 bool "enable fdtdec test"
715 depends on OF_LIBFDT
716
AKASHI Takahiro05429b62019-11-13 09:44:49 +0900717config LIB_DATE
718 bool
719
Keerthy805b3ca2020-02-12 13:55:03 +0530720config LIB_ELF
721 bool
722 help
Patrick Delaunay6205bbb2021-01-04 15:33:28 +0100723 Support basic elf loading/validating functions.
724 This supports for 32 bit and 64 bit versions.
Keerthy805b3ca2020-02-12 13:55:03 +0530725
Patrick Delaunay77b8cfe2021-03-10 10:16:25 +0100726config LMB
727 bool "Enable the logical memory blocks library (lmb)"
728 default y if ARC || ARM || M68K || MICROBLAZE || MIPS || NDS32 || \
729 NIOS2 || PPC || RISCV || SANDBOX || SH || X86 || XTENSA
730 help
731 Support the library logical memory blocks.
732
Patrick Delaunay6d665022021-03-10 10:16:31 +0100733config LMB_USE_MAX_REGIONS
734 bool "Use a commun number of memory and reserved regions in lmb lib"
735 depends on LMB
736 default y
737 help
738 Define the number of supported memory regions in the library logical
739 memory blocks.
740 This feature allow to reduce the lmb library size by using compiler
741 optimization when LMB_MEMORY_REGIONS == LMB_RESERVED_REGIONS.
Patrick Delaunay4fa01502021-03-10 10:16:28 +0100742
743config LMB_MAX_REGIONS
744 int "Number of memory and reserved regions in lmb lib"
Patrick Delaunay6d665022021-03-10 10:16:31 +0100745 depends on LMB && LMB_USE_MAX_REGIONS
Patrick Delaunay4fa01502021-03-10 10:16:28 +0100746 default 8
747 help
748 Define the number of supported regions, memory and reserved, in the
749 library logical memory blocks.
Patrick Delaunay6d665022021-03-10 10:16:31 +0100750
751config LMB_MEMORY_REGIONS
752 int "Number of memory regions in lmb lib"
753 depends on LMB && !LMB_USE_MAX_REGIONS
754 default 8
755 help
756 Define the number of supported memory regions in the library logical
757 memory blocks.
758 The minimal value is CONFIG_NR_DRAM_BANKS.
759
760config LMB_RESERVED_REGIONS
761 int "Number of reserved regions in lmb lib"
762 depends on LMB && !LMB_USE_MAX_REGIONS
763 default 8
764 help
765 Define the number of supported reserved regions in the library logical
766 memory blocks.
767
Masahiro Yamadaed363232014-09-16 16:32:58 +0900768endmenu
Aswath Govindrajuc5891322020-12-03 10:55:45 +0530769
770config PHANDLE_CHECK_SEQ
771 bool "Enable phandle check while getting sequence number"
772 default n
773 help
774 When there are multiple device tree nodes with same name,
775 enable this config option to distinguish them using
776 phandles in fdtdec_get_alias_seq() function.