blob: 52d4b27ae516b2fd7ea28db99520358308d45f78 [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
Simon Glassef9e7622021-11-24 09:26:42 -070018config PHYSMEM
19 bool "Access to physical memory region (> 4G)"
20 help
21 Some basic support is provided for operations on memory not
22 normally accessible to 32-bit U-Boot - e.g. some architectures
23 support access to more than 4G of memory on 32-bit
24 machines using physical address extension or similar.
25 Enable this to access this basic support, which only supports clearing
26 the memory.
27
Adam Ford02bf5362017-08-11 09:46:05 -050028config BCH
29 bool "Enable Software based BCH ECC"
30 help
31 Enables software based BCH ECC algorithm present in lib/bch.c
32 This is used by SoC platforms which do not have built-in ELM
33 hardware engine required for BCH ECC correction.
34
Simon Glassdd7fb9b2019-12-06 21:41:34 -070035config BINMAN_FDT
36 bool "Allow access to binman information in the device tree"
Bin Mengc5e8b312021-02-03 21:20:02 +080037 depends on BINMAN && DM && OF_CONTROL
Bin Mengc9155f12021-05-10 20:23:36 +080038 default y if OF_SEPARATE || OF_EMBED
Simon Glassdd7fb9b2019-12-06 21:41:34 -070039 help
40 This enables U-Boot to access information about binman entries,
41 stored in the device tree in a binman node. Typical uses are to
42 locate entries in the firmware image. See binman.h for the available
43 functionality.
44
Masahiro Yamada3f053fe2014-09-16 16:32:59 +090045config CC_OPTIMIZE_LIBS_FOR_SPEED
46 bool "Optimize libraries for speed"
47 help
48 Enabling this option will pass "-O2" to gcc when compiling
49 under "lib" directory.
50
51 If unsure, say N.
52
Simon Glassc17db992021-07-02 12:36:17 -060053config CHARSET
54 bool
Simon Glass7c159432021-12-29 11:57:35 -070055 default y if UT_UNICODE || EFI_LOADER || UFS || EFI_APP
Simon Glassc17db992021-07-02 12:36:17 -060056 help
57 Enables support for various conversions between different
58 character sets, such as between unicode representations and
59 different 'code pages'.
60
Faiz Abbas6199fb12018-02-06 19:15:58 +053061config DYNAMIC_CRC_TABLE
62 bool "Enable Dynamic tables for CRC"
63 help
64 Enable this option to calculate entries for CRC tables at runtime.
65 This can be helpful when reducing the size of the build image
66
Bin Mengb95e9db2018-10-15 02:21:15 -070067config HAVE_ARCH_IOMAP
68 bool
69 help
70 Enable this option if architecture provides io{read,write}{8,16,32}
71 I/O accessor functions.
72
Masahiro Yamada9520b712014-10-24 01:30:43 +090073config HAVE_PRIVATE_LIBGCC
74 bool
75
Adam Ford70c8f052018-02-06 12:14:28 -060076config LIB_UUID
77 bool
78
Alex Kiernan5b404282018-04-19 04:32:54 +000079config PRINTF
80 bool
81 default y
82
83config SPL_PRINTF
84 bool
85 select SPL_SPRINTF
Simon Glass7611ac62019-09-25 08:56:27 -060086 select SPL_STRTO if !SPL_USE_TINY_PRINTF
Alex Kiernan5b404282018-04-19 04:32:54 +000087
88config TPL_PRINTF
89 bool
90 select TPL_SPRINTF
Simon Glass7611ac62019-09-25 08:56:27 -060091 select TPL_STRTO if !TPL_USE_TINY_PRINTF
Alex Kiernan5b404282018-04-19 04:32:54 +000092
93config SPRINTF
94 bool
95 default y
96
97config SPL_SPRINTF
98 bool
99
100config TPL_SPRINTF
101 bool
102
Andrii Anisov6e29ac42020-08-06 12:42:52 +0300103config SSCANF
104 bool
Andrii Anisov6e29ac42020-08-06 12:42:52 +0300105
Alex Kiernan5b404282018-04-19 04:32:54 +0000106config STRTO
107 bool
108 default y
109
110config SPL_STRTO
111 bool
112
113config TPL_STRTO
114 bool
115
Alex Kiernanc568bcb2018-05-29 15:30:52 +0000116config IMAGE_SPARSE
117 bool
118
119config IMAGE_SPARSE_FILLBUF_SIZE
120 hex "Android sparse image CHUNK_TYPE_FILL buffer size"
121 default 0x80000
122 depends on IMAGE_SPARSE
123 help
124 Set the size of the fill buffer used when processing CHUNK_TYPE_FILL
125 chunks.
126
Masahiro Yamada9520b712014-10-24 01:30:43 +0900127config USE_PRIVATE_LIBGCC
128 bool "Use private libgcc"
129 depends on HAVE_PRIVATE_LIBGCC
Marek Vasut4e0126e2016-05-26 18:01:47 +0200130 default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS)
Masahiro Yamada9520b712014-10-24 01:30:43 +0900131 help
132 This option allows you to use the built-in libgcc implementation
Masahiro Yamada1c6a5e42016-03-30 20:17:42 +0900133 of U-Boot instead of the one provided by the compiler.
Masahiro Yamada9520b712014-10-24 01:30:43 +0900134 If unsure, say N.
135
Masahiro Yamadae301fa02014-10-24 01:30:40 +0900136config SYS_HZ
137 int
138 default 1000
139 help
140 The frequency of the timer returned by get_timer().
141 get_timer() must operate in milliseconds and this option must be
142 set to 1000.
143
Simon Glass7611ac62019-09-25 08:56:27 -0600144config SPL_USE_TINY_PRINTF
Thomas Hebb0c12fb52019-11-10 08:23:53 -0800145 bool "Enable tiny printf() version in SPL"
Simon Glass7611ac62019-09-25 08:56:27 -0600146 depends on SPL
Tom Rinid0502b72019-06-08 12:46:18 -0400147 default y
Stefan Roese363ab7b2015-11-23 07:00:22 +0100148 help
149 This option enables a tiny, stripped down printf version.
150 This should only be used in space limited environments,
151 like SPL versions with hard memory limits. This version
152 reduces the code size by about 2.5KiB on armv7.
153
154 The supported format specifiers are %c, %s, %u/%d and %x.
155
Simon Glass7611ac62019-09-25 08:56:27 -0600156config TPL_USE_TINY_PRINTF
Thomas Hebb0c12fb52019-11-10 08:23:53 -0800157 bool "Enable tiny printf() version in TPL"
Simon Glass7611ac62019-09-25 08:56:27 -0600158 depends on TPL
159 default y if SPL_USE_TINY_PRINTF
160 help
161 This option enables a tiny, stripped down printf version.
162 This should only be used in space limited environments,
163 like SPL versions with hard memory limits. This version
164 reduces the code size by about 2.5KiB on armv7.
165
166 The supported format specifiers are %c, %s, %u/%d and %x.
167
Masahiro Yamadaacede7a2017-12-04 12:37:00 +0900168config PANIC_HANG
169 bool "Do not reset the system on fatal error"
170 help
171 Define this option to stop the system in case of a fatal error,
172 so that you have to reset it manually. This is probably NOT a good
173 idea for an embedded system where you want the system to reboot
174 automatically as fast as possible, but it may be useful during
175 development since you can try to debug the conditions that lead to
176 the situation.
177
Joe Hershberger937d3e82015-04-21 17:02:42 -0500178config REGEX
179 bool "Enable regular expression support"
Joe Hershberger8ab8b722015-06-22 17:57:36 -0500180 default y if NET
Joe Hershberger937d3e82015-04-21 17:02:42 -0500181 help
182 If this variable is defined, U-Boot is linked against the
183 SLRE (Super Light Regular Expression) library, which adds
184 regex support to some commands, for example "env grep" and
185 "setexpr".
186
Adam Ford38003a62018-02-06 10:18:18 -0600187choice
188 prompt "Pseudo-random library support type"
Heinrich Schuchardtb2e67a22020-01-19 19:28:12 +0100189 depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID || \
Heinrich Schuchardtba9c44e2020-11-20 12:55:22 +0100190 RNG_SANDBOX || UT_LIB && AES || FAT_WRITE
Adam Ford38003a62018-02-06 10:18:18 -0600191 default LIB_RAND
Masahiro Yamada2743c072015-06-11 19:16:43 +0900192 help
Adam Ford38003a62018-02-06 10:18:18 -0600193 Select the library to provide pseudo-random number generator
194 functions. LIB_HW_RAND supports certain hardware engines that
195 provide this functionality. If in doubt, select LIB_RAND.
196
197config LIB_RAND
198 bool "Pseudo-random library support"
199
200config LIB_HW_RAND
Marcin Juszkiewicza360c2c2020-05-26 19:07:15 +0200201 bool "HW Engine for random library support"
Adam Ford38003a62018-02-06 10:18:18 -0600202
203endchoice
Michal Simek2c1b1db2015-05-25 11:37:22 +0200204
Simon Glasse2f94ae2017-04-02 09:50:28 -0600205config SPL_TINY_MEMSET
206 bool "Use a very small memset() in SPL"
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
Simon Glasse2f94ae2017-04-02 09:50:28 -0600212 option to reduce code size slightly at the cost of some speed.
213
Philipp Tomsichfefc4ec2017-08-03 22:52:04 +0200214config TPL_TINY_MEMSET
215 bool "Use a very small memset() in TPL"
216 help
217 The faster memset() is the arch-specific one (if available) enabled
218 by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get
219 better performance by writing a word at a time. But in very
Chris Packham1c3b7ba2019-01-13 22:13:28 +1300220 size-constrained environments even this may be too big. Enable this
Philipp Tomsichfefc4ec2017-08-03 22:52:04 +0200221 option to reduce code size slightly at the cost of some speed.
222
Boris Brezillon627dc182017-02-27 18:22:05 +0100223config RBTREE
224 bool
225
Nandor Hand5ea84a2017-11-08 15:35:14 +0000226config BITREVERSE
227 bool "Bit reverse library from Linux"
228
Simon Glassbfce7fc2019-04-08 13:20:51 -0600229config TRACE
230 bool "Support for tracing of function calls and timing"
231 imply CMD_TRACE
Pragnesh Patel0dd501a2021-01-17 18:11:24 +0530232 select TIMER_EARLY
Simon Glassbfce7fc2019-04-08 13:20:51 -0600233 help
234 Enables function tracing within U-Boot. This allows recording of call
235 traces including timing information. The command can write data to
236 memory for exporting for analysis (e.g. using bootchart).
237 See doc/README.trace for full details.
238
Simon Glass445078e2019-04-08 13:20:52 -0600239config TRACE_BUFFER_SIZE
240 hex "Size of trace buffer in U-Boot"
241 depends on TRACE
242 default 0x01000000
243 help
244 Sets the size of the trace buffer in U-Boot. This is allocated from
245 memory during relocation. If this buffer is too small, the trace
246 history will be truncated, with later records omitted.
247
248 If early trace is enabled (i.e. before relocation), this buffer must
249 be large enough to include all the data from the early trace buffer as
250 well, since this is copied over to the main buffer during relocation.
251
252 A trace record is emitted for each function call and each record is
253 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If
254 the size is too small then 'trace stats' will show a message saying
255 how many records were dropped due to buffer overflow.
256
Heinrich Schuchardtc1a73792019-06-02 13:30:09 +0200257config TRACE_CALL_DEPTH_LIMIT
258 int "Trace call depth limit"
259 depends on TRACE
260 default 15
261 help
262 Sets the maximum call depth up to which function calls are recorded.
263
Simon Glass445078e2019-04-08 13:20:52 -0600264config TRACE_EARLY
265 bool "Enable tracing before relocation"
266 depends on TRACE
267 help
268 Sometimes it is helpful to trace execution of U-Boot before
269 relocation. This is possible by using a arch-specific, fixed buffer
270 position in memory. Enable this option to start tracing as early as
271 possible after U-Boot starts.
272
273config TRACE_EARLY_SIZE
274 hex "Size of early trace buffer in U-Boot"
275 depends on TRACE_EARLY
276 default 0x00100000
277 help
278 Sets the size of the early trace buffer in bytes. This is used to hold
279 tracing information before relocation.
280
Heinrich Schuchardtc1a73792019-06-02 13:30:09 +0200281config TRACE_EARLY_CALL_DEPTH_LIMIT
282 int "Early trace call depth limit"
283 depends on TRACE_EARLY
284 default 200
285 help
286 Sets the maximum call depth up to which function calls are recorded
287 during early tracing.
288
Simon Glass445078e2019-04-08 13:20:52 -0600289config TRACE_EARLY_ADDR
290 hex "Address of early trace buffer in U-Boot"
291 depends on TRACE_EARLY
292 default 0x00100000
293 help
294 Sets the address of the early trace buffer in U-Boot. This memory
295 must be accessible before relocation.
296
297 A trace record is emitted for each function call and each record is
298 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If
299 the size is too small then the message which says the amount of early
300 data being coped will the the same as the
301
Loic Poulain12797e62021-11-25 18:16:14 +0100302config CIRCBUF
303 bool "Enable circular buffer support"
304
Simon Glass99dbe4b2015-06-23 15:38:23 -0600305source lib/dhry/Kconfig
306
Simon Glass528fdd12017-04-26 22:27:49 -0600307menu "Security support"
308
309config AES
310 bool "Support the AES algorithm"
311 help
312 This provides a means to encrypt and decrypt data using the AES
313 (Advanced Encryption Standard). This algorithm uses a symetric key
314 and is widely used as a streaming cipher. Different key lengths are
315 supported by the algorithm but only a 128-bit key is supported at
316 present.
317
Alexandru Gagniuc48cb9b82021-07-29 11:47:16 -0500318source lib/ecdsa/Kconfig
Ruchika Gupta4acd8c42015-01-23 16:01:56 +0530319source lib/rsa/Kconfig
AKASHI Takahiro591535c2019-11-13 09:45:00 +0900320source lib/crypto/Kconfig
Steffen Jaeckel229bd512021-07-08 15:57:33 +0200321source lib/crypt/Kconfig
Ruchika Gupta2c3822e2015-01-23 16:01:51 +0530322
Simon Glass350497c2015-08-22 18:31:19 -0600323config TPM
324 bool "Trusted Platform Module (TPM) Support"
Simon Glasscf294b02015-10-03 06:39:36 -0600325 depends on DM
Simon Glass350497c2015-08-22 18:31:19 -0600326 help
327 This enables support for TPMs which can be used to provide security
328 features for your board. The TPM can be connected via LPC or I2C
329 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
330 command to interactive the TPM. Driver model support is provided
331 for the low-level TPM interface, but only one TPM is supported at
332 a time by the TPM library.
333
Simon Glass93a45b12018-10-01 12:22:19 -0600334config SPL_TPM
335 bool "Trusted Platform Module (TPM) Support in SPL"
336 depends on SPL_DM
337 help
338 This enables support for TPMs which can be used to provide security
339 features for your board. The TPM can be connected via LPC or I2C
340 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
341 command to interactive the TPM. Driver model support is provided
342 for the low-level TPM interface, but only one TPM is supported at
343 a time by the TPM library.
344
345config TPL_TPM
346 bool "Trusted Platform Module (TPM) Support in TPL"
347 depends on TPL_DM
348 help
349 This enables support for TPMs which can be used to provide security
350 features for your board. The TPM can be connected via LPC or I2C
351 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
352 command to interactive the TPM. Driver model support is provided
353 for the low-level TPM interface, but only one TPM is supported at
354 a time by the TPM library.
355
Simon Glass528fdd12017-04-26 22:27:49 -0600356endmenu
357
Igor Opaniuk525d1d82018-06-03 21:56:37 +0300358menu "Android Verified Boot"
359
360config LIBAVB
361 bool "Android Verified Boot 2.0 support"
362 depends on ANDROID_BOOT_IMAGE
Igor Opaniuk525d1d82018-06-03 21:56:37 +0300363 help
364 This enables support of Android Verified Boot 2.0 which can be used
365 to assure the end user of the integrity of the software running on a
366 device. Introduces such features as boot chain of trust, rollback
367 protection etc.
368
369endmenu
370
gaurav ranaef201592015-02-20 12:51:46 +0530371menu "Hashing Support"
372
Qu Wenruob98e8a22021-12-27 14:12:07 +0800373config BLAKE2
374 bool "Enable BLAKE2 support"
375 help
376 This option enables support of hashing using BLAKE2B algorithm.
377 The hash is calculated in software.
378 The BLAKE2 algorithm produces a hash value (digest) between 1 and
379 64 bytes.
380
gaurav ranaef201592015-02-20 12:51:46 +0530381config SHA1
382 bool "Enable SHA1 support"
383 help
384 This option enables support of hashing using SHA1 algorithm.
385 The hash is calculated in software.
386 The SHA1 algorithm produces a 160-bit (20-byte) hash value
387 (digest).
388
389config SHA256
390 bool "Enable SHA256 support"
391 help
392 This option enables support of hashing using SHA256 algorithm.
393 The hash is calculated in software.
394 The SHA256 algorithm produces a 256-bit (32-byte) hash value
395 (digest).
396
Reuben Dowle1908fd92020-04-16 17:36:52 +1200397config SHA512
398 bool "Enable SHA512 support"
Reuben Dowle1908fd92020-04-16 17:36:52 +1200399 help
400 This option enables support of hashing using SHA512 algorithm.
401 The hash is calculated in software.
402 The SHA512 algorithm produces a 512-bit (64-byte) hash value
403 (digest).
404
405config SHA384
406 bool "Enable SHA384 support"
Alexandru Gagniuc5df5d692021-09-02 19:54:18 -0500407 select SHA512
Reuben Dowle1908fd92020-04-16 17:36:52 +1200408 help
409 This option enables support of hashing using SHA384 algorithm.
Alexandru Gagniuc5df5d692021-09-02 19:54:18 -0500410 The hash is calculated in software. This is also selects SHA512,
411 because these implementations share the bulk of the code..
Reuben Dowle1908fd92020-04-16 17:36:52 +1200412 The SHA384 algorithm produces a 384-bit (48-byte) hash value
413 (digest).
414
gaurav ranaef201592015-02-20 12:51:46 +0530415config SHA_HW_ACCEL
Heinrich Schuchardtd42f81f2021-05-14 07:08:27 +0200416 bool "Enable hardware acceleration for SHA hash functions"
gaurav ranaef201592015-02-20 12:51:46 +0530417 help
Heinrich Schuchardtd42f81f2021-05-14 07:08:27 +0200418 This option enables hardware acceleration for the SHA1 and SHA256
419 hashing algorithms. This affects the 'hash' command and also the
420 hash_lookup_algo() function.
421
Simon Glassf7b37c22021-09-25 19:43:17 -0600422if SPL
423
424config SPL_SHA1
425 bool "Enable SHA1 support in SPL"
426 default y if SHA1
427 help
428 This option enables support of hashing using SHA1 algorithm.
429 The hash is calculated in software.
430 The SHA1 algorithm produces a 160-bit (20-byte) hash value
431 (digest).
432
433config SPL_SHA256
434 bool "Enable SHA256 support in SPL"
435 default y if SHA256
436 help
437 This option enables support of hashing using SHA256 algorithm.
438 The hash is calculated in software.
439 The SHA256 algorithm produces a 256-bit (32-byte) hash value
440 (digest).
441
442config SPL_SHA512
443 bool "Enable SHA512 support in SPL"
444 default y if SHA512
445 help
446 This option enables support of hashing using SHA512 algorithm.
447 The hash is calculated in software.
448 The SHA512 algorithm produces a 512-bit (64-byte) hash value
449 (digest).
450
451config SPL_SHA384
452 bool "Enable SHA384 support in SPL"
453 default y if SHA384
454 select SPL_SHA512
455 help
456 This option enables support of hashing using SHA384 algorithm.
457 The hash is calculated in software. This is also selects SHA512,
458 because these implementations share the bulk of the code..
459 The SHA384 algorithm produces a 384-bit (48-byte) hash value
460 (digest).
461
Simon Glass383dd572021-09-25 19:43:18 -0600462config SPL_SHA_HW_ACCEL
463 bool "Enable hardware acceleration for SHA hash functions"
464 default y if SHA_HW_ACCEL
465 help
466 This option enables hardware acceleration for the SHA1 and SHA256
467 hashing algorithms. This affects the 'hash' command and also the
468 hash_lookup_algo() function.
469
470config SPL_SHA_PROG_HW_ACCEL
471 bool "Enable Progressive hashing support using hardware in SPL"
472 depends on SHA_PROG_HW_ACCEL
473 default y
474 help
475 This option enables hardware-acceleration for SHA progressive
476 hashing.
477 Data can be streamed in a block at a time and the hashing is
478 performed in hardware.
479
Simon Glassf7b37c22021-09-25 19:43:17 -0600480endif
481
Heinrich Schuchardtd42f81f2021-05-14 07:08:27 +0200482if SHA_HW_ACCEL
483
484config SHA512_HW_ACCEL
485 bool "Enable hardware acceleration for SHA512"
Alexandru Gagniuc5df5d692021-09-02 19:54:18 -0500486 depends on SHA512
Heinrich Schuchardtd42f81f2021-05-14 07:08:27 +0200487 help
488 This option enables hardware acceleration for the SHA384 and SHA512
489 hashing algorithms. This affects the 'hash' command and also the
490 hash_lookup_algo() function.
gaurav ranaef201592015-02-20 12:51:46 +0530491
492config SHA_PROG_HW_ACCEL
493 bool "Enable Progressive hashing support using hardware"
gaurav ranaef201592015-02-20 12:51:46 +0530494 help
Joel Stanley92efc1f2021-02-17 13:50:42 +1030495 This option enables hardware-acceleration for SHA progressive
496 hashing.
497 Data can be streamed in a block at a time and the hashing is
498 performed in hardware.
Andre Przywaraf0fa1132017-03-15 01:19:05 +0000499
Heinrich Schuchardtd42f81f2021-05-14 07:08:27 +0200500endif
501
Andre Przywaraf0fa1132017-03-15 01:19:05 +0000502config MD5
Simon Glassd33d0db2020-05-06 08:03:56 -0600503 bool "Support MD5 algorithm"
504 help
505 This option enables MD5 support. MD5 is an algorithm designed
506 in 1991 that produces a 16-byte digest (or checksum) from its input
507 data. It has a number of vulnerabilities which preclude its use in
508 security applications, but it can be useful for providing a quick
509 checksum of a block of data.
510
511config SPL_MD5
512 bool "Support MD5 algorithm in SPL"
513 help
514 This option enables MD5 support in SPL. MD5 is an algorithm designed
515 in 1991 that produces a 16-byte digest (or checksum) from its input
516 data. It has a number of vulnerabilities which preclude its use in
517 security applications, but it can be useful for providing a quick
518 checksum of a block of data.
Andre Przywaraf0fa1132017-03-15 01:19:05 +0000519
Simon Glass577226c2021-09-25 19:43:24 -0600520config CRC32
521 def_bool y
522 help
523 Enables CRC32 support in U-Boot. This is normally required.
524
Marek Behúncdccc032017-09-03 17:00:23 +0200525config CRC32C
526 bool
527
Marek Behúnb139a7f2019-04-29 22:40:43 +0200528config XXHASH
529 bool
530
gaurav ranaef201592015-02-20 12:51:46 +0530531endmenu
532
Julius Wernerf41a3ca2015-10-06 20:03:53 -0700533menu "Compression Support"
534
535config LZ4
536 bool "Enable LZ4 decompression support"
537 help
538 If this option is set, support for LZ4 compressed images
539 is included. The LZ4 algorithm can run in-place as long as the
540 compressed image is loaded to the end of the output buffer, and
541 trades lower compression ratios for much faster decompression.
Patrick Delaunaycd831af2021-03-10 10:16:28 +0100542
Julius Wernerf41a3ca2015-10-06 20:03:53 -0700543 NOTE: This implements the release version of the LZ4 frame
544 format as generated by default by the 'lz4' command line tool.
545 This is not the same as the outdated, less efficient legacy
546 frame format currently (2015) implemented in the Linux kernel
547 (generated by 'lz4 -l'). The two formats are incompatible.
548
Simon Glass264aa5f2017-05-17 03:25:42 -0600549config LZMA
550 bool "Enable LZMA decompression support"
551 help
552 This enables support for LZMA (Lempel-Ziv-Markov chain algorithm),
553 a dictionary compression algorithm that provides a high compression
554 ratio and fairly fast decompression speed. See also
555 CONFIG_CMD_LZMADEC which provides a decode command.
556
Boris Brezillonaa57d0f2017-02-27 18:22:06 +0100557config LZO
Tom Rinic20bb732017-07-22 18:36:16 -0400558 bool "Enable LZO decompression support"
559 help
Oleksandr Suvorov30a4c312021-09-01 16:05:08 +0300560 This enables support for the LZO compression algorithm.
York Suna6945fe2017-08-15 11:14:43 -0700561
Marek Vasutaeaa29d2019-03-08 16:06:55 +0100562config GZIP
Heiko Schocherb93cc602019-04-29 08:59:38 +0200563 bool "Enable gzip decompression support"
Marek Vasutaeaa29d2019-03-08 16:06:55 +0100564 select ZLIB
565 default y
566 help
567 This enables support for GZIP compression algorithm.
568
Joao Marcos Costaae8abb12020-07-30 15:33:49 +0200569config ZLIB_UNCOMPRESS
570 bool "Enables zlib's uncompress() functionality"
571 help
572 This enables an extra zlib functionality: the uncompress() function,
573 which decompresses data from a buffer into another, knowing their
574 sizes. Unlike gunzip(), there is no header parsing.
575
Michael Walle3a6e3512020-05-22 14:07:36 +0200576config GZIP_COMPRESSED
577 bool
578 select ZLIB
579
Atish Patra1fa79622020-03-05 16:24:21 -0800580config BZIP2
581 bool "Enable bzip2 decompression support"
582 help
583 This enables support for BZIP2 compression algorithm.
584
Marek Vasutaeaa29d2019-03-08 16:06:55 +0100585config ZLIB
586 bool
587 default y
588 help
589 This enables ZLIB compression lib.
590
Marek Behúne87e2002019-04-29 22:40:44 +0200591config ZSTD
592 bool "Enable Zstandard decompression support"
593 select XXHASH
594 help
595 This enables Zstandard decompression library.
596
Simon Glasse107bcd2018-11-06 15:21:30 -0700597config SPL_LZ4
598 bool "Enable LZ4 decompression support in SPL"
599 help
Marcin Juszkiewicza360c2c2020-05-26 19:07:15 +0200600 This enables support for the LZ4 decompression algorithm in SPL. LZ4
Simon Glasse107bcd2018-11-06 15:21:30 -0700601 is a lossless data compression algorithm that is focused on
602 fast compression and decompression speed. It belongs to the LZ77
603 family of byte-oriented compression schemes.
604
developer6a4e1d32020-04-21 09:28:38 +0200605config SPL_LZMA
606 bool "Enable LZMA decompression support for SPL build"
607 help
Marcin Juszkiewicza360c2c2020-05-26 19:07:15 +0200608 This enables support for LZMA compression algorithm for SPL boot.
developer6a4e1d32020-04-21 09:28:38 +0200609
Jean-Jacques Hiblotdbde2882017-09-15 12:57:30 +0200610config SPL_LZO
611 bool "Enable LZO decompression support in SPL"
612 help
613 This enables support for LZO compression algorithm in the SPL.
614
York Suna6945fe2017-08-15 11:14:43 -0700615config SPL_GZIP
616 bool "Enable gzip decompression support for SPL build"
617 select SPL_ZLIB
618 help
Oleksandr Suvorov30a4c312021-09-01 16:05:08 +0300619 This enables support for the GZIP compression algorithm for SPL boot.
York Suna6945fe2017-08-15 11:14:43 -0700620
621config SPL_ZLIB
622 bool
623 help
624 This enables compression lib for SPL boot.
625
Marek Behúne87e2002019-04-29 22:40:44 +0200626config SPL_ZSTD
627 bool "Enable Zstandard decompression support in SPL"
628 select XXHASH
629 help
630 This enables Zstandard decompression library in the SPL.
631
Julius Wernerf41a3ca2015-10-06 20:03:53 -0700632endmenu
633
Przemyslaw Marczak37550132015-04-20 20:07:40 +0200634config ERRNO_STR
635 bool "Enable function for getting errno-related string message"
636 help
637 The function errno_str(int errno), returns a pointer to the errno
638 corresponding text message:
639 - if errno is null or positive number - a pointer to "Success" message
640 - if errno is negative - a pointer to errno related message
641
Alexey Brodkin2d2fa492018-06-05 17:17:57 +0300642config HEXDUMP
643 bool "Enable hexdump"
644 help
645 This enables functions for printing dumps of binary data.
646
Simon Glassa37fd4d2020-09-12 11:13:35 -0600647config SPL_HEXDUMP
648 bool "Enable hexdump in SPL"
Heinrich Schuchardt11df0722021-07-24 17:35:46 +0200649 depends on SPL && HEXDUMP
Simon Glassa37fd4d2020-09-12 11:13:35 -0600650 help
651 This enables functions for printing dumps of binary data in
652 SPL.
653
Sean Anderson3b4a6f52020-10-27 19:55:36 -0400654config GETOPT
655 bool "Enable getopt"
656 help
657 This enables functions for parsing command-line options.
658
Simon Glassa66c5412016-02-22 22:55:42 -0700659config OF_LIBFDT
660 bool "Enable the FDT library"
661 default y if OF_CONTROL
662 help
663 This enables the FDT library (libfdt). It provides functions for
664 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinda707d42017-08-18 17:58:51 +0200665 removing nodes and properties, scanning through the tree and finding
Simon Glassa66c5412016-02-22 22:55:42 -0700666 particular compatible nodes. The library operates on a flattened
667 version of the device tree.
668
Simon Glassc48044d2019-10-27 09:47:40 -0600669config OF_LIBFDT_ASSUME_MASK
670 hex "Mask of conditions to assume for libfdt"
671 depends on OF_LIBFDT || FIT
672 default 0
673 help
674 Use this to change the assumptions made by libfdt about the
675 device tree it is working with. A value of 0 means that no assumptions
676 are made, and libfdt is able to deal with malicious data. A value of
677 0xff means all assumptions are made and any invalid data may cause
678 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
679
Maxime Ripard9e901ce2016-07-05 10:26:44 +0200680config OF_LIBFDT_OVERLAY
681 bool "Enable the FDT library overlay support"
Tom Rinic1e49ba2018-05-08 08:52:17 -0400682 depends on OF_LIBFDT
Praneeth Bajjuri7b71a012018-04-25 16:03:23 -0500683 default y if ARCH_OMAP2PLUS || ARCH_KEYSTONE
Maxime Ripard9e901ce2016-07-05 10:26:44 +0200684 help
685 This enables the FDT library (libfdt) overlay support.
686
Simon Glass8b426922016-02-22 22:55:45 -0700687config SPL_OF_LIBFDT
688 bool "Enable the FDT library for SPL"
689 default y if SPL_OF_CONTROL
690 help
691 This enables the FDT library (libfdt). It provides functions for
692 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinda707d42017-08-18 17:58:51 +0200693 removing nodes and properties, scanning through the tree and finding
Simon Glass8b426922016-02-22 22:55:45 -0700694 particular compatible nodes. The library operates on a flattened
695 version of the device tree.
696
Simon Glassc48044d2019-10-27 09:47:40 -0600697config SPL_OF_LIBFDT_ASSUME_MASK
698 hex "Mask of conditions to assume for libfdt"
699 depends on SPL_OF_LIBFDT || FIT
700 default 0xff
701 help
702 Use this to change the assumptions made by libfdt in SPL about the
703 device tree it is working with. A value of 0 means that no assumptions
704 are made, and libfdt is able to deal with malicious data. A value of
705 0xff means all assumptions are made and any invalid data may cause
706 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
707
Simon Glassca8ec4b2018-10-01 12:22:21 -0600708config TPL_OF_LIBFDT
709 bool "Enable the FDT library for TPL"
710 default y if TPL_OF_CONTROL
711 help
712 This enables the FDT library (libfdt). It provides functions for
713 accessing binary device tree images in memory, such as adding and
714 removing nodes and properties, scanning through the tree and finding
715 particular compatible nodes. The library operates on a flattened
716 version of the device tree.
717
Simon Glassc48044d2019-10-27 09:47:40 -0600718config TPL_OF_LIBFDT_ASSUME_MASK
719 hex "Mask of conditions to assume for libfdt"
720 depends on TPL_OF_LIBFDT || FIT
721 default 0xff
722 help
723 Use this to change the assumptions made by libfdt in TPL about the
724 device tree it is working with. A value of 0 means that no assumptions
725 are made, and libfdt is able to deal with malicious data. A value of
726 0xff means all assumptions are made and any invalid data may cause
727 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
728
Heiko Schocherc9ab9102016-10-06 07:31:45 +0200729config FDT_FIXUP_PARTITIONS
730 bool "overwrite MTD partitions in DTS through defined in 'mtdparts'"
731 depends on OF_LIBFDT
Masahiro Yamada734b7552018-07-20 11:04:09 +0900732 depends on CMD_MTDPARTS
Heiko Schocherc9ab9102016-10-06 07:31:45 +0200733 help
734 Allow overwriting defined partitions in the device tree blob
735 using partition info defined in the 'mtdparts' environment
736 variable.
737
Alexander Graffb228082016-08-19 01:23:23 +0200738menu "System tables"
Alexander Graf66f96e12016-08-19 01:23:29 +0200739 depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER)
Alexander Graffb228082016-08-19 01:23:23 +0200740
Simon Glass5d093f32020-11-04 09:57:25 -0700741config BLOBLIST_TABLES
742 bool "Put tables in a bloblist"
Simon Glass171c6462021-03-15 18:11:22 +1300743 depends on X86 && BLOBLIST
Simon Glass5d093f32020-11-04 09:57:25 -0700744 help
745 Normally tables are placed at address 0xf0000 and can be up to 64KB
746 long. With this option, tables are instead placed in the bloblist
747 with a pointer from 0xf0000. The size can then be larger and the
748 tables can be placed high in memory.
749
Alexander Graffb228082016-08-19 01:23:23 +0200750config GENERATE_SMBIOS_TABLE
751 bool "Generate an SMBIOS (System Management BIOS) table"
752 default y
Alexander Graf66f96e12016-08-19 01:23:29 +0200753 depends on X86 || EFI_LOADER
Alexander Graffb228082016-08-19 01:23:23 +0200754 help
755 The System Management BIOS (SMBIOS) specification addresses how
756 motherboard and system vendors present management information about
757 their products in a standard format by extending the BIOS interface
758 on Intel architecture systems.
759
760 Check http://www.dmtf.org/standards/smbios for details.
761
Simon Glass052a03e2020-11-05 06:32:11 -0700762 See also SMBIOS_SYSINFO which allows SMBIOS values to be provided in
763 the devicetree.
764
Tero Kristocfbe15c2021-06-11 11:45:02 +0300765config LIB_RATIONAL
766 bool "enable continued fraction calculation routines"
767
768config SPL_LIB_RATIONAL
769 bool "enable continued fraction calculation routines for SPL"
770 depends on SPL
771
Alexander Graffb228082016-08-19 01:23:23 +0200772endmenu
773
AKASHI Takahirof7025262019-11-13 09:44:53 +0900774config ASN1_COMPILER
775 bool
776
AKASHI Takahiro3a888712019-11-13 09:44:55 +0900777config ASN1_DECODER
778 bool
779 help
780 Enable asn1 decoder library.
781
AKASHI Takahiro54923642019-11-13 09:44:57 +0900782config OID_REGISTRY
783 bool
784 help
785 Enable fast lookup object identifier registry.
786
Christian Gmeiner19859982020-11-03 15:34:51 +0100787config SMBIOS_PARSER
788 bool "SMBIOS parser"
789 help
790 A simple parser for SMBIOS data.
791
Simon Glass9539e692015-07-31 09:31:36 -0600792source lib/efi/Kconfig
Alexander Graf67ee7052016-03-04 01:10:07 +0100793source lib/efi_loader/Kconfig
Bryan O'Donoghue4b0de7c2018-03-13 16:50:27 +0000794source lib/optee/Kconfig
Simon Glass9539e692015-07-31 09:31:36 -0600795
Thierry Reding52c7f1f32019-03-21 19:10:04 +0100796config TEST_FDTDEC
797 bool "enable fdtdec test"
798 depends on OF_LIBFDT
799
AKASHI Takahiro51ba5222019-11-13 09:44:49 +0900800config LIB_DATE
801 bool
802
Keerthy76f361a2020-02-12 13:55:03 +0530803config LIB_ELF
804 bool
805 help
Patrick Delaunayfb67df82021-01-04 15:33:28 +0100806 Support basic elf loading/validating functions.
807 This supports for 32 bit and 64 bit versions.
Keerthy76f361a2020-02-12 13:55:03 +0530808
Patrick Delaunayd62063d2021-03-10 10:16:25 +0100809config LMB
810 bool "Enable the logical memory blocks library (lmb)"
811 default y if ARC || ARM || M68K || MICROBLAZE || MIPS || NDS32 || \
812 NIOS2 || PPC || RISCV || SANDBOX || SH || X86 || XTENSA
813 help
814 Support the library logical memory blocks.
815
Patrick Delaunay71cc9c52021-03-10 10:16:31 +0100816config LMB_USE_MAX_REGIONS
Heinrich Schuchardtc4bc9182021-11-14 09:38:53 +0100817 bool "Use a common number of memory and reserved regions in lmb lib"
Patrick Delaunay71cc9c52021-03-10 10:16:31 +0100818 depends on LMB
819 default y
820 help
821 Define the number of supported memory regions in the library logical
822 memory blocks.
823 This feature allow to reduce the lmb library size by using compiler
824 optimization when LMB_MEMORY_REGIONS == LMB_RESERVED_REGIONS.
Patrick Delaunaycd831af2021-03-10 10:16:28 +0100825
826config LMB_MAX_REGIONS
827 int "Number of memory and reserved regions in lmb lib"
Patrick Delaunay71cc9c52021-03-10 10:16:31 +0100828 depends on LMB && LMB_USE_MAX_REGIONS
Patrick Delaunaycd831af2021-03-10 10:16:28 +0100829 default 8
830 help
831 Define the number of supported regions, memory and reserved, in the
832 library logical memory blocks.
Patrick Delaunay71cc9c52021-03-10 10:16:31 +0100833
834config LMB_MEMORY_REGIONS
835 int "Number of memory regions in lmb lib"
836 depends on LMB && !LMB_USE_MAX_REGIONS
837 default 8
838 help
839 Define the number of supported memory regions in the library logical
840 memory blocks.
841 The minimal value is CONFIG_NR_DRAM_BANKS.
842
843config LMB_RESERVED_REGIONS
844 int "Number of reserved regions in lmb lib"
845 depends on LMB && !LMB_USE_MAX_REGIONS
846 default 8
847 help
848 Define the number of supported reserved regions in the library logical
849 memory blocks.
850
Aswath Govindraju3dd81252020-12-03 10:55:45 +0530851config PHANDLE_CHECK_SEQ
852 bool "Enable phandle check while getting sequence number"
Aswath Govindraju3dd81252020-12-03 10:55:45 +0530853 help
854 When there are multiple device tree nodes with same name,
855 enable this config option to distinguish them using
856 phandles in fdtdec_get_alias_seq() function.
Eugen Hristevdb6bbcb2022-01-04 18:20:19 +0200857
858endmenu