blob: c535147aeaa0c512936a08f746a8ccf46cf5f8f7 [file] [log] [blame]
Masahiro Yamadaf3e12b72014-09-16 16:32:58 +09001menu "Library routines"
2
Marek Szyprowski795dc7d2020-06-03 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 Meng0a5fee52021-02-25 17:22:36 +08009 This library only works in the post-relocation phase.
10
Marek Szyprowski795dc7d2020-06-03 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 Ford02bf5362017-08-11 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 Glassdd7fb9b2019-12-06 21:41:34 -070025config BINMAN_FDT
26 bool "Allow access to binman information in the device tree"
Bin Mengc5e8b312021-02-03 21:20:02 +080027 depends on BINMAN && DM && OF_CONTROL
Bin Mengc9155f12021-05-10 20:23:36 +080028 default y if OF_SEPARATE || OF_EMBED
Simon Glassdd7fb9b2019-12-06 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 Yamada3f053fe2014-09-16 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 Glassc17db992021-07-02 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 Abbas6199fb12018-02-06 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 Mengb95e9db2018-10-15 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 Yamada9520b712014-10-24 01:30:43 +090063config HAVE_PRIVATE_LIBGCC
64 bool
65
Adam Ford70c8f052018-02-06 12:14:28 -060066config LIB_UUID
67 bool
68
Alex Kiernan5b404282018-04-19 04:32:54 +000069config PRINTF
70 bool
71 default y
72
73config SPL_PRINTF
74 bool
75 select SPL_SPRINTF
Simon Glass7611ac62019-09-25 08:56:27 -060076 select SPL_STRTO if !SPL_USE_TINY_PRINTF
Alex Kiernan5b404282018-04-19 04:32:54 +000077
78config TPL_PRINTF
79 bool
80 select TPL_SPRINTF
Simon Glass7611ac62019-09-25 08:56:27 -060081 select TPL_STRTO if !TPL_USE_TINY_PRINTF
Alex Kiernan5b404282018-04-19 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 Anisov6e29ac42020-08-06 12:42:52 +030093config SSCANF
94 bool
95 default n
96
Alex Kiernan5b404282018-04-19 04:32:54 +000097config STRTO
98 bool
99 default y
100
101config SPL_STRTO
102 bool
103
104config TPL_STRTO
105 bool
106
Alex Kiernanc568bcb2018-05-29 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 Yamada9520b712014-10-24 01:30:43 +0900118config USE_PRIVATE_LIBGCC
119 bool "Use private libgcc"
120 depends on HAVE_PRIVATE_LIBGCC
Marek Vasut4e0126e2016-05-26 18:01:47 +0200121 default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS)
Masahiro Yamada9520b712014-10-24 01:30:43 +0900122 help
123 This option allows you to use the built-in libgcc implementation
Masahiro Yamada1c6a5e42016-03-30 20:17:42 +0900124 of U-Boot instead of the one provided by the compiler.
Masahiro Yamada9520b712014-10-24 01:30:43 +0900125 If unsure, say N.
126
Masahiro Yamadae301fa02014-10-24 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 Glass7611ac62019-09-25 08:56:27 -0600135config SPL_USE_TINY_PRINTF
Thomas Hebb0c12fb52019-11-10 08:23:53 -0800136 bool "Enable tiny printf() version in SPL"
Simon Glass7611ac62019-09-25 08:56:27 -0600137 depends on SPL
Tom Rinid0502b72019-06-08 12:46:18 -0400138 default y
Stefan Roese363ab7b2015-11-23 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 Glass7611ac62019-09-25 08:56:27 -0600147config TPL_USE_TINY_PRINTF
Thomas Hebb0c12fb52019-11-10 08:23:53 -0800148 bool "Enable tiny printf() version in TPL"
Simon Glass7611ac62019-09-25 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 Yamadaacede7a2017-12-04 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 Hershberger937d3e82015-04-21 17:02:42 -0500169config REGEX
170 bool "Enable regular expression support"
Joe Hershberger8ab8b722015-06-22 17:57:36 -0500171 default y if NET
Joe Hershberger937d3e82015-04-21 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 Ford38003a62018-02-06 10:18:18 -0600178choice
179 prompt "Pseudo-random library support type"
Heinrich Schuchardtb2e67a22020-01-19 19:28:12 +0100180 depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID || \
Heinrich Schuchardtba9c44e2020-11-20 12:55:22 +0100181 RNG_SANDBOX || UT_LIB && AES || FAT_WRITE
Adam Ford38003a62018-02-06 10:18:18 -0600182 default LIB_RAND
Masahiro Yamada2743c072015-06-11 19:16:43 +0900183 help
Adam Ford38003a62018-02-06 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 Juszkiewicza360c2c2020-05-26 19:07:15 +0200192 bool "HW Engine for random library support"
Adam Ford38003a62018-02-06 10:18:18 -0600193
194endchoice
Michal Simek2c1b1db2015-05-25 11:37:22 +0200195
Simon Glasse2f94ae2017-04-02 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 Packham1c3b7ba2019-01-13 22:13:28 +1300202 size-constrained environments even this may be too big. Enable this
Simon Glasse2f94ae2017-04-02 09:50:28 -0600203 option to reduce code size slightly at the cost of some speed.
204
Philipp Tomsichfefc4ec2017-08-03 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 Packham1c3b7ba2019-01-13 22:13:28 +1300211 size-constrained environments even this may be too big. Enable this
Philipp Tomsichfefc4ec2017-08-03 22:52:04 +0200212 option to reduce code size slightly at the cost of some speed.
213
Boris Brezillon627dc182017-02-27 18:22:05 +0100214config RBTREE
215 bool
216
Nandor Hand5ea84a2017-11-08 15:35:14 +0000217config BITREVERSE
218 bool "Bit reverse library from Linux"
219
Simon Glassbfce7fc2019-04-08 13:20:51 -0600220config TRACE
221 bool "Support for tracing of function calls and timing"
222 imply CMD_TRACE
Pragnesh Patel0dd501a2021-01-17 18:11:24 +0530223 select TIMER_EARLY
Simon Glassbfce7fc2019-04-08 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 Glass445078e2019-04-08 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 Schuchardtc1a73792019-06-02 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 Glass445078e2019-04-08 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 Schuchardtc1a73792019-06-02 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 Glass445078e2019-04-08 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 Glass99dbe4b2015-06-23 15:38:23 -0600293source lib/dhry/Kconfig
294
Simon Glass528fdd12017-04-26 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 Gagniuc48cb9b82021-07-29 11:47:16 -0500306source lib/ecdsa/Kconfig
Ruchika Gupta4acd8c42015-01-23 16:01:56 +0530307source lib/rsa/Kconfig
AKASHI Takahiro591535c2019-11-13 09:45:00 +0900308source lib/crypto/Kconfig
Steffen Jaeckel229bd512021-07-08 15:57:33 +0200309source lib/crypt/Kconfig
Ruchika Gupta2c3822e2015-01-23 16:01:51 +0530310
Simon Glass350497c2015-08-22 18:31:19 -0600311config TPM
312 bool "Trusted Platform Module (TPM) Support"
Simon Glasscf294b02015-10-03 06:39:36 -0600313 depends on DM
Simon Glass350497c2015-08-22 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 Glass93a45b12018-10-01 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 Glass528fdd12017-04-26 22:27:49 -0600344endmenu
345
Igor Opaniuk525d1d82018-06-03 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 ranaef201592015-02-20 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 Dowle1908fd92020-04-16 17:36:52 +1200378config SHA512_ALGO
379 bool "Enable SHA512 algorithm"
380 help
381 This option enables support of internal SHA512 algorithm.
382
383config SHA512
384 bool "Enable SHA512 support"
385 depends on SHA512_ALGO
386 help
387 This option enables support of hashing using SHA512 algorithm.
388 The hash is calculated in software.
389 The SHA512 algorithm produces a 512-bit (64-byte) hash value
390 (digest).
391
392config SHA384
393 bool "Enable SHA384 support"
394 depends on SHA512_ALGO
395 help
396 This option enables support of hashing using SHA384 algorithm.
397 The hash is calculated in software.
398 The SHA384 algorithm produces a 384-bit (48-byte) hash value
399 (digest).
400
gaurav ranaef201592015-02-20 12:51:46 +0530401config SHA_HW_ACCEL
Heinrich Schuchardtd42f81f2021-05-14 07:08:27 +0200402 bool "Enable hardware acceleration for SHA hash functions"
gaurav ranaef201592015-02-20 12:51:46 +0530403 help
Heinrich Schuchardtd42f81f2021-05-14 07:08:27 +0200404 This option enables hardware acceleration for the SHA1 and SHA256
405 hashing algorithms. This affects the 'hash' command and also the
406 hash_lookup_algo() function.
407
408if SHA_HW_ACCEL
409
410config SHA512_HW_ACCEL
411 bool "Enable hardware acceleration for SHA512"
412 depends on SHA512_ALGO
413 help
414 This option enables hardware acceleration for the SHA384 and SHA512
415 hashing algorithms. This affects the 'hash' command and also the
416 hash_lookup_algo() function.
gaurav ranaef201592015-02-20 12:51:46 +0530417
418config SHA_PROG_HW_ACCEL
419 bool "Enable Progressive hashing support using hardware"
gaurav ranaef201592015-02-20 12:51:46 +0530420 help
Joel Stanley92efc1f2021-02-17 13:50:42 +1030421 This option enables hardware-acceleration for SHA progressive
422 hashing.
423 Data can be streamed in a block at a time and the hashing is
424 performed in hardware.
Andre Przywaraf0fa1132017-03-15 01:19:05 +0000425
Heinrich Schuchardtd42f81f2021-05-14 07:08:27 +0200426endif
427
Andre Przywaraf0fa1132017-03-15 01:19:05 +0000428config MD5
Simon Glassd33d0db2020-05-06 08:03:56 -0600429 bool "Support MD5 algorithm"
430 help
431 This option enables MD5 support. MD5 is an algorithm designed
432 in 1991 that produces a 16-byte digest (or checksum) from its input
433 data. It has a number of vulnerabilities which preclude its use in
434 security applications, but it can be useful for providing a quick
435 checksum of a block of data.
436
437config SPL_MD5
438 bool "Support MD5 algorithm in SPL"
439 help
440 This option enables MD5 support in SPL. MD5 is an algorithm designed
441 in 1991 that produces a 16-byte digest (or checksum) from its input
442 data. It has a number of vulnerabilities which preclude its use in
443 security applications, but it can be useful for providing a quick
444 checksum of a block of data.
Andre Przywaraf0fa1132017-03-15 01:19:05 +0000445
Marek Behúncdccc032017-09-03 17:00:23 +0200446config CRC32C
447 bool
448
Marek Behúnb139a7f2019-04-29 22:40:43 +0200449config XXHASH
450 bool
451
gaurav ranaef201592015-02-20 12:51:46 +0530452endmenu
453
Julius Wernerf41a3ca2015-10-06 20:03:53 -0700454menu "Compression Support"
455
456config LZ4
457 bool "Enable LZ4 decompression support"
458 help
459 If this option is set, support for LZ4 compressed images
460 is included. The LZ4 algorithm can run in-place as long as the
461 compressed image is loaded to the end of the output buffer, and
462 trades lower compression ratios for much faster decompression.
Patrick Delaunaycd831af2021-03-10 10:16:28 +0100463
Julius Wernerf41a3ca2015-10-06 20:03:53 -0700464 NOTE: This implements the release version of the LZ4 frame
465 format as generated by default by the 'lz4' command line tool.
466 This is not the same as the outdated, less efficient legacy
467 frame format currently (2015) implemented in the Linux kernel
468 (generated by 'lz4 -l'). The two formats are incompatible.
469
Simon Glass264aa5f2017-05-17 03:25:42 -0600470config LZMA
471 bool "Enable LZMA decompression support"
472 help
473 This enables support for LZMA (Lempel-Ziv-Markov chain algorithm),
474 a dictionary compression algorithm that provides a high compression
475 ratio and fairly fast decompression speed. See also
476 CONFIG_CMD_LZMADEC which provides a decode command.
477
Boris Brezillonaa57d0f2017-02-27 18:22:06 +0100478config LZO
Tom Rinic20bb732017-07-22 18:36:16 -0400479 bool "Enable LZO decompression support"
480 help
481 This enables support for LZO compression algorithm.r
York Suna6945fe2017-08-15 11:14:43 -0700482
Marek Vasutaeaa29d2019-03-08 16:06:55 +0100483config GZIP
Heiko Schocherb93cc602019-04-29 08:59:38 +0200484 bool "Enable gzip decompression support"
Marek Vasutaeaa29d2019-03-08 16:06:55 +0100485 select ZLIB
486 default y
487 help
488 This enables support for GZIP compression algorithm.
489
Joao Marcos Costaae8abb12020-07-30 15:33:49 +0200490config ZLIB_UNCOMPRESS
491 bool "Enables zlib's uncompress() functionality"
492 help
493 This enables an extra zlib functionality: the uncompress() function,
494 which decompresses data from a buffer into another, knowing their
495 sizes. Unlike gunzip(), there is no header parsing.
496
Michael Walle3a6e3512020-05-22 14:07:36 +0200497config GZIP_COMPRESSED
498 bool
499 select ZLIB
500
Atish Patra1fa79622020-03-05 16:24:21 -0800501config BZIP2
502 bool "Enable bzip2 decompression support"
503 help
504 This enables support for BZIP2 compression algorithm.
505
Marek Vasutaeaa29d2019-03-08 16:06:55 +0100506config ZLIB
507 bool
508 default y
509 help
510 This enables ZLIB compression lib.
511
Marek Behúne87e2002019-04-29 22:40:44 +0200512config ZSTD
513 bool "Enable Zstandard decompression support"
514 select XXHASH
515 help
516 This enables Zstandard decompression library.
517
Simon Glasse107bcd2018-11-06 15:21:30 -0700518config SPL_LZ4
519 bool "Enable LZ4 decompression support in SPL"
520 help
Marcin Juszkiewicza360c2c2020-05-26 19:07:15 +0200521 This enables support for the LZ4 decompression algorithm in SPL. LZ4
Simon Glasse107bcd2018-11-06 15:21:30 -0700522 is a lossless data compression algorithm that is focused on
523 fast compression and decompression speed. It belongs to the LZ77
524 family of byte-oriented compression schemes.
525
developer6a4e1d32020-04-21 09:28:38 +0200526config SPL_LZMA
527 bool "Enable LZMA decompression support for SPL build"
528 help
Marcin Juszkiewicza360c2c2020-05-26 19:07:15 +0200529 This enables support for LZMA compression algorithm for SPL boot.
developer6a4e1d32020-04-21 09:28:38 +0200530
Jean-Jacques Hiblotdbde2882017-09-15 12:57:30 +0200531config SPL_LZO
532 bool "Enable LZO decompression support in SPL"
533 help
534 This enables support for LZO compression algorithm in the SPL.
535
York Suna6945fe2017-08-15 11:14:43 -0700536config SPL_GZIP
537 bool "Enable gzip decompression support for SPL build"
538 select SPL_ZLIB
539 help
540 This enables support for GZIP compression altorithm for SPL boot.
541
542config SPL_ZLIB
543 bool
544 help
545 This enables compression lib for SPL boot.
546
Marek Behúne87e2002019-04-29 22:40:44 +0200547config SPL_ZSTD
548 bool "Enable Zstandard decompression support in SPL"
549 select XXHASH
550 help
551 This enables Zstandard decompression library in the SPL.
552
Julius Wernerf41a3ca2015-10-06 20:03:53 -0700553endmenu
554
Przemyslaw Marczak37550132015-04-20 20:07:40 +0200555config ERRNO_STR
556 bool "Enable function for getting errno-related string message"
557 help
558 The function errno_str(int errno), returns a pointer to the errno
559 corresponding text message:
560 - if errno is null or positive number - a pointer to "Success" message
561 - if errno is negative - a pointer to errno related message
562
Alexey Brodkin2d2fa492018-06-05 17:17:57 +0300563config HEXDUMP
564 bool "Enable hexdump"
565 help
566 This enables functions for printing dumps of binary data.
567
Simon Glassa37fd4d2020-09-12 11:13:35 -0600568config SPL_HEXDUMP
569 bool "Enable hexdump in SPL"
Heinrich Schuchardt11df0722021-07-24 17:35:46 +0200570 depends on SPL && HEXDUMP
Simon Glassa37fd4d2020-09-12 11:13:35 -0600571 help
572 This enables functions for printing dumps of binary data in
573 SPL.
574
Sean Anderson3b4a6f52020-10-27 19:55:36 -0400575config GETOPT
576 bool "Enable getopt"
577 help
578 This enables functions for parsing command-line options.
579
Simon Glassa66c5412016-02-22 22:55:42 -0700580config OF_LIBFDT
581 bool "Enable the FDT library"
582 default y if OF_CONTROL
583 help
584 This enables the FDT library (libfdt). It provides functions for
585 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinda707d42017-08-18 17:58:51 +0200586 removing nodes and properties, scanning through the tree and finding
Simon Glassa66c5412016-02-22 22:55:42 -0700587 particular compatible nodes. The library operates on a flattened
588 version of the device tree.
589
Simon Glassc48044d2019-10-27 09:47:40 -0600590config OF_LIBFDT_ASSUME_MASK
591 hex "Mask of conditions to assume for libfdt"
592 depends on OF_LIBFDT || FIT
593 default 0
594 help
595 Use this to change the assumptions made by libfdt about the
596 device tree it is working with. A value of 0 means that no assumptions
597 are made, and libfdt is able to deal with malicious data. A value of
598 0xff means all assumptions are made and any invalid data may cause
599 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
600
Maxime Ripard9e901ce2016-07-05 10:26:44 +0200601config OF_LIBFDT_OVERLAY
602 bool "Enable the FDT library overlay support"
Tom Rinic1e49ba2018-05-08 08:52:17 -0400603 depends on OF_LIBFDT
Praneeth Bajjuri7b71a012018-04-25 16:03:23 -0500604 default y if ARCH_OMAP2PLUS || ARCH_KEYSTONE
Maxime Ripard9e901ce2016-07-05 10:26:44 +0200605 help
606 This enables the FDT library (libfdt) overlay support.
607
Simon Glass8b426922016-02-22 22:55:45 -0700608config SPL_OF_LIBFDT
609 bool "Enable the FDT library for SPL"
610 default y if SPL_OF_CONTROL
611 help
612 This enables the FDT library (libfdt). It provides functions for
613 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinda707d42017-08-18 17:58:51 +0200614 removing nodes and properties, scanning through the tree and finding
Simon Glass8b426922016-02-22 22:55:45 -0700615 particular compatible nodes. The library operates on a flattened
616 version of the device tree.
617
Simon Glassc48044d2019-10-27 09:47:40 -0600618config SPL_OF_LIBFDT_ASSUME_MASK
619 hex "Mask of conditions to assume for libfdt"
620 depends on SPL_OF_LIBFDT || FIT
621 default 0xff
622 help
623 Use this to change the assumptions made by libfdt in SPL about the
624 device tree it is working with. A value of 0 means that no assumptions
625 are made, and libfdt is able to deal with malicious data. A value of
626 0xff means all assumptions are made and any invalid data may cause
627 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
628
Simon Glassca8ec4b2018-10-01 12:22:21 -0600629config TPL_OF_LIBFDT
630 bool "Enable the FDT library for TPL"
631 default y if TPL_OF_CONTROL
632 help
633 This enables the FDT library (libfdt). It provides functions for
634 accessing binary device tree images in memory, such as adding and
635 removing nodes and properties, scanning through the tree and finding
636 particular compatible nodes. The library operates on a flattened
637 version of the device tree.
638
Simon Glassc48044d2019-10-27 09:47:40 -0600639config TPL_OF_LIBFDT_ASSUME_MASK
640 hex "Mask of conditions to assume for libfdt"
641 depends on TPL_OF_LIBFDT || FIT
642 default 0xff
643 help
644 Use this to change the assumptions made by libfdt in TPL about the
645 device tree it is working with. A value of 0 means that no assumptions
646 are made, and libfdt is able to deal with malicious data. A value of
647 0xff means all assumptions are made and any invalid data may cause
648 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
649
Heiko Schocherc9ab9102016-10-06 07:31:45 +0200650config FDT_FIXUP_PARTITIONS
651 bool "overwrite MTD partitions in DTS through defined in 'mtdparts'"
652 depends on OF_LIBFDT
Masahiro Yamada734b7552018-07-20 11:04:09 +0900653 depends on CMD_MTDPARTS
Heiko Schocherc9ab9102016-10-06 07:31:45 +0200654 help
655 Allow overwriting defined partitions in the device tree blob
656 using partition info defined in the 'mtdparts' environment
657 variable.
658
Alexander Graffb228082016-08-19 01:23:23 +0200659menu "System tables"
Alexander Graf66f96e12016-08-19 01:23:29 +0200660 depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER)
Alexander Graffb228082016-08-19 01:23:23 +0200661
Simon Glass5d093f32020-11-04 09:57:25 -0700662config BLOBLIST_TABLES
663 bool "Put tables in a bloblist"
Simon Glass171c6462021-03-15 18:11:22 +1300664 depends on X86 && BLOBLIST
Simon Glass5d093f32020-11-04 09:57:25 -0700665 help
666 Normally tables are placed at address 0xf0000 and can be up to 64KB
667 long. With this option, tables are instead placed in the bloblist
668 with a pointer from 0xf0000. The size can then be larger and the
669 tables can be placed high in memory.
670
Alexander Graffb228082016-08-19 01:23:23 +0200671config GENERATE_SMBIOS_TABLE
672 bool "Generate an SMBIOS (System Management BIOS) table"
673 default y
Alexander Graf66f96e12016-08-19 01:23:29 +0200674 depends on X86 || EFI_LOADER
Alexander Graffb228082016-08-19 01:23:23 +0200675 help
676 The System Management BIOS (SMBIOS) specification addresses how
677 motherboard and system vendors present management information about
678 their products in a standard format by extending the BIOS interface
679 on Intel architecture systems.
680
681 Check http://www.dmtf.org/standards/smbios for details.
682
Simon Glass052a03e2020-11-05 06:32:11 -0700683 See also SMBIOS_SYSINFO which allows SMBIOS values to be provided in
684 the devicetree.
685
Tero Kristocfbe15c2021-06-11 11:45:02 +0300686config LIB_RATIONAL
687 bool "enable continued fraction calculation routines"
688
689config SPL_LIB_RATIONAL
690 bool "enable continued fraction calculation routines for SPL"
691 depends on SPL
692
Alexander Graffb228082016-08-19 01:23:23 +0200693endmenu
694
AKASHI Takahirof7025262019-11-13 09:44:53 +0900695config ASN1_COMPILER
696 bool
697
AKASHI Takahiro3a888712019-11-13 09:44:55 +0900698config ASN1_DECODER
699 bool
700 help
701 Enable asn1 decoder library.
702
AKASHI Takahiro54923642019-11-13 09:44:57 +0900703config OID_REGISTRY
704 bool
705 help
706 Enable fast lookup object identifier registry.
707
Christian Gmeiner19859982020-11-03 15:34:51 +0100708config SMBIOS_PARSER
709 bool "SMBIOS parser"
710 help
711 A simple parser for SMBIOS data.
712
Simon Glass9539e692015-07-31 09:31:36 -0600713source lib/efi/Kconfig
Alexander Graf67ee7052016-03-04 01:10:07 +0100714source lib/efi_loader/Kconfig
Bryan O'Donoghue4b0de7c2018-03-13 16:50:27 +0000715source lib/optee/Kconfig
Simon Glass9539e692015-07-31 09:31:36 -0600716
Thierry Reding52c7f1f32019-03-21 19:10:04 +0100717config TEST_FDTDEC
718 bool "enable fdtdec test"
719 depends on OF_LIBFDT
720
AKASHI Takahiro51ba5222019-11-13 09:44:49 +0900721config LIB_DATE
722 bool
723
Keerthy76f361a2020-02-12 13:55:03 +0530724config LIB_ELF
725 bool
726 help
Patrick Delaunayfb67df82021-01-04 15:33:28 +0100727 Support basic elf loading/validating functions.
728 This supports for 32 bit and 64 bit versions.
Keerthy76f361a2020-02-12 13:55:03 +0530729
Patrick Delaunayd62063d2021-03-10 10:16:25 +0100730config LMB
731 bool "Enable the logical memory blocks library (lmb)"
732 default y if ARC || ARM || M68K || MICROBLAZE || MIPS || NDS32 || \
733 NIOS2 || PPC || RISCV || SANDBOX || SH || X86 || XTENSA
734 help
735 Support the library logical memory blocks.
736
Patrick Delaunay71cc9c52021-03-10 10:16:31 +0100737config LMB_USE_MAX_REGIONS
738 bool "Use a commun number of memory and reserved regions in lmb lib"
739 depends on LMB
740 default y
741 help
742 Define the number of supported memory regions in the library logical
743 memory blocks.
744 This feature allow to reduce the lmb library size by using compiler
745 optimization when LMB_MEMORY_REGIONS == LMB_RESERVED_REGIONS.
Patrick Delaunaycd831af2021-03-10 10:16:28 +0100746
747config LMB_MAX_REGIONS
748 int "Number of memory and reserved regions in lmb lib"
Patrick Delaunay71cc9c52021-03-10 10:16:31 +0100749 depends on LMB && LMB_USE_MAX_REGIONS
Patrick Delaunaycd831af2021-03-10 10:16:28 +0100750 default 8
751 help
752 Define the number of supported regions, memory and reserved, in the
753 library logical memory blocks.
Patrick Delaunay71cc9c52021-03-10 10:16:31 +0100754
755config LMB_MEMORY_REGIONS
756 int "Number of memory regions in lmb lib"
757 depends on LMB && !LMB_USE_MAX_REGIONS
758 default 8
759 help
760 Define the number of supported memory regions in the library logical
761 memory blocks.
762 The minimal value is CONFIG_NR_DRAM_BANKS.
763
764config LMB_RESERVED_REGIONS
765 int "Number of reserved regions in lmb lib"
766 depends on LMB && !LMB_USE_MAX_REGIONS
767 default 8
768 help
769 Define the number of supported reserved regions in the library logical
770 memory blocks.
771
Masahiro Yamadaf3e12b72014-09-16 16:32:58 +0900772endmenu
Aswath Govindraju3dd81252020-12-03 10:55:45 +0530773
774config PHANDLE_CHECK_SEQ
775 bool "Enable phandle check while getting sequence number"
776 default n
777 help
778 When there are multiple device tree nodes with same name,
779 enable this config option to distinguish them using
780 phandles in fdtdec_get_alias_seq() function.