blob: 416e63c1c736d05b4cc6118a59331a1e5631b6ff [file] [log] [blame]
Masahiro Yamadaed363232014-09-16 16:32:58 +09001menu "Library routines"
2
Adam Ford6ef2f902017-08-11 09:46:05 -05003config BCH
4 bool "Enable Software based BCH ECC"
5 help
6 Enables software based BCH ECC algorithm present in lib/bch.c
7 This is used by SoC platforms which do not have built-in ELM
8 hardware engine required for BCH ECC correction.
9
Masahiro Yamadab0928da2014-09-16 16:32:59 +090010config CC_OPTIMIZE_LIBS_FOR_SPEED
11 bool "Optimize libraries for speed"
12 help
13 Enabling this option will pass "-O2" to gcc when compiling
14 under "lib" directory.
15
16 If unsure, say N.
17
Faiz Abbas36c18772018-02-06 19:15:58 +053018config DYNAMIC_CRC_TABLE
19 bool "Enable Dynamic tables for CRC"
20 help
21 Enable this option to calculate entries for CRC tables at runtime.
22 This can be helpful when reducing the size of the build image
23
Bin Meng2895c4b2018-10-15 02:21:15 -070024config HAVE_ARCH_IOMAP
25 bool
26 help
27 Enable this option if architecture provides io{read,write}{8,16,32}
28 I/O accessor functions.
29
Masahiro Yamada45ccec82014-10-24 01:30:43 +090030config HAVE_PRIVATE_LIBGCC
31 bool
32
Adam Forda451bc22018-02-06 12:14:28 -060033config LIB_UUID
34 bool
35
Alex Kiernan14ad44a2018-04-19 04:32:54 +000036config PRINTF
37 bool
38 default y
39
40config SPL_PRINTF
41 bool
42 select SPL_SPRINTF
43 select SPL_STRTO if !USE_TINY_PRINTF
44
45config TPL_PRINTF
46 bool
47 select TPL_SPRINTF
48 select TPL_STRTO if !USE_TINY_PRINTF
49
50config SPRINTF
51 bool
52 default y
53
54config SPL_SPRINTF
55 bool
56
57config TPL_SPRINTF
58 bool
59
60config STRTO
61 bool
62 default y
63
64config SPL_STRTO
65 bool
66
67config TPL_STRTO
68 bool
69
Alex Kiernanc232d142018-05-29 15:30:52 +000070config IMAGE_SPARSE
71 bool
72
73config IMAGE_SPARSE_FILLBUF_SIZE
74 hex "Android sparse image CHUNK_TYPE_FILL buffer size"
75 default 0x80000
76 depends on IMAGE_SPARSE
77 help
78 Set the size of the fill buffer used when processing CHUNK_TYPE_FILL
79 chunks.
80
Masahiro Yamada45ccec82014-10-24 01:30:43 +090081config USE_PRIVATE_LIBGCC
82 bool "Use private libgcc"
83 depends on HAVE_PRIVATE_LIBGCC
Marek Vasut91b86e22016-05-26 18:01:47 +020084 default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS)
Masahiro Yamada45ccec82014-10-24 01:30:43 +090085 help
86 This option allows you to use the built-in libgcc implementation
Masahiro Yamada67976302016-03-30 20:17:42 +090087 of U-Boot instead of the one provided by the compiler.
Masahiro Yamada45ccec82014-10-24 01:30:43 +090088 If unsure, say N.
89
Masahiro Yamada8c688bc2014-10-24 01:30:40 +090090config SYS_HZ
91 int
92 default 1000
93 help
94 The frequency of the timer returned by get_timer().
95 get_timer() must operate in milliseconds and this option must be
96 set to 1000.
97
Stefan Roese7d9cde12015-11-23 07:00:22 +010098config USE_TINY_PRINTF
99 bool "Enable tiny printf() version"
100 help
101 This option enables a tiny, stripped down printf version.
102 This should only be used in space limited environments,
103 like SPL versions with hard memory limits. This version
104 reduces the code size by about 2.5KiB on armv7.
105
106 The supported format specifiers are %c, %s, %u/%d and %x.
107
Masahiro Yamada7e3caa82017-12-04 12:37:00 +0900108config PANIC_HANG
109 bool "Do not reset the system on fatal error"
110 help
111 Define this option to stop the system in case of a fatal error,
112 so that you have to reset it manually. This is probably NOT a good
113 idea for an embedded system where you want the system to reboot
114 automatically as fast as possible, but it may be useful during
115 development since you can try to debug the conditions that lead to
116 the situation.
117
Joe Hershberger1a606502015-04-21 17:02:42 -0500118config REGEX
119 bool "Enable regular expression support"
Joe Hershbergerf7848d92015-06-22 17:57:36 -0500120 default y if NET
Joe Hershberger1a606502015-04-21 17:02:42 -0500121 help
122 If this variable is defined, U-Boot is linked against the
123 SLRE (Super Light Regular Expression) library, which adds
124 regex support to some commands, for example "env grep" and
125 "setexpr".
126
Adam Forda5a37562018-02-06 10:18:18 -0600127choice
128 prompt "Pseudo-random library support type"
129 depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID
130 default LIB_RAND
Masahiro Yamada3850dbe2015-06-11 19:16:43 +0900131 help
Adam Forda5a37562018-02-06 10:18:18 -0600132 Select the library to provide pseudo-random number generator
133 functions. LIB_HW_RAND supports certain hardware engines that
134 provide this functionality. If in doubt, select LIB_RAND.
135
136config LIB_RAND
137 bool "Pseudo-random library support"
138
139config LIB_HW_RAND
140 bool "HW Engine for random libray support"
141
142endchoice
Michal Simek9ba9e852015-05-25 11:37:22 +0200143
Simon Glassab4458b2017-04-02 09:50:28 -0600144config SPL_TINY_MEMSET
145 bool "Use a very small memset() in SPL"
146 help
147 The faster memset() is the arch-specific one (if available) enabled
148 by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get
149 better performance by writing a word at a time. But in very
Chris Packham6e705112019-01-13 22:13:28 +1300150 size-constrained environments even this may be too big. Enable this
Simon Glassab4458b2017-04-02 09:50:28 -0600151 option to reduce code size slightly at the cost of some speed.
152
Philipp Tomsich96b90822017-08-03 22:52:04 +0200153config TPL_TINY_MEMSET
154 bool "Use a very small memset() in TPL"
155 help
156 The faster memset() is the arch-specific one (if available) enabled
157 by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get
158 better performance by writing a word at a time. But in very
Chris Packham6e705112019-01-13 22:13:28 +1300159 size-constrained environments even this may be too big. Enable this
Philipp Tomsich96b90822017-08-03 22:52:04 +0200160 option to reduce code size slightly at the cost of some speed.
161
Boris Brezillonaa049152017-02-27 18:22:05 +0100162config RBTREE
163 bool
164
Nandor Handa5337a2017-11-08 15:35:14 +0000165config BITREVERSE
166 bool "Bit reverse library from Linux"
167
Simon Glassa24a78d2019-04-08 13:20:51 -0600168config TRACE
169 bool "Support for tracing of function calls and timing"
170 imply CMD_TRACE
171 help
172 Enables function tracing within U-Boot. This allows recording of call
173 traces including timing information. The command can write data to
174 memory for exporting for analysis (e.g. using bootchart).
175 See doc/README.trace for full details.
176
Simon Glass1c6eb072019-04-08 13:20:52 -0600177config TRACE_BUFFER_SIZE
178 hex "Size of trace buffer in U-Boot"
179 depends on TRACE
180 default 0x01000000
181 help
182 Sets the size of the trace buffer in U-Boot. This is allocated from
183 memory during relocation. If this buffer is too small, the trace
184 history will be truncated, with later records omitted.
185
186 If early trace is enabled (i.e. before relocation), this buffer must
187 be large enough to include all the data from the early trace buffer as
188 well, since this is copied over to the main buffer during relocation.
189
190 A trace record is emitted for each function call and each record is
191 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If
192 the size is too small then 'trace stats' will show a message saying
193 how many records were dropped due to buffer overflow.
194
195config TRACE_EARLY
196 bool "Enable tracing before relocation"
197 depends on TRACE
198 help
199 Sometimes it is helpful to trace execution of U-Boot before
200 relocation. This is possible by using a arch-specific, fixed buffer
201 position in memory. Enable this option to start tracing as early as
202 possible after U-Boot starts.
203
204config TRACE_EARLY_SIZE
205 hex "Size of early trace buffer in U-Boot"
206 depends on TRACE_EARLY
207 default 0x00100000
208 help
209 Sets the size of the early trace buffer in bytes. This is used to hold
210 tracing information before relocation.
211
212config TRACE_EARLY_ADDR
213 hex "Address of early trace buffer in U-Boot"
214 depends on TRACE_EARLY
215 default 0x00100000
216 help
217 Sets the address of the early trace buffer in U-Boot. This memory
218 must be accessible before relocation.
219
220 A trace record is emitted for each function call and each record is
221 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If
222 the size is too small then the message which says the amount of early
223 data being coped will the the same as the
224
Simon Glassd1389402015-06-23 15:38:23 -0600225source lib/dhry/Kconfig
226
Simon Glassb1a873d2017-04-26 22:27:49 -0600227menu "Security support"
228
229config AES
230 bool "Support the AES algorithm"
231 help
232 This provides a means to encrypt and decrypt data using the AES
233 (Advanced Encryption Standard). This algorithm uses a symetric key
234 and is widely used as a streaming cipher. Different key lengths are
235 supported by the algorithm but only a 128-bit key is supported at
236 present.
237
Ruchika Guptad9f23c72015-01-23 16:01:56 +0530238source lib/rsa/Kconfig
Ruchika Guptac4beb222015-01-23 16:01:51 +0530239
Simon Glassa7d660b2015-08-22 18:31:19 -0600240config TPM
241 bool "Trusted Platform Module (TPM) Support"
Simon Glass2419cd12015-10-03 06:39:36 -0600242 depends on DM
Simon Glassa7d660b2015-08-22 18:31:19 -0600243 help
244 This enables support for TPMs which can be used to provide security
245 features for your board. The TPM can be connected via LPC or I2C
246 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
247 command to interactive the TPM. Driver model support is provided
248 for the low-level TPM interface, but only one TPM is supported at
249 a time by the TPM library.
250
Simon Glass63078962018-10-01 12:22:19 -0600251config SPL_TPM
252 bool "Trusted Platform Module (TPM) Support in SPL"
253 depends on SPL_DM
254 help
255 This enables support for TPMs which can be used to provide security
256 features for your board. The TPM can be connected via LPC or I2C
257 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
258 command to interactive the TPM. Driver model support is provided
259 for the low-level TPM interface, but only one TPM is supported at
260 a time by the TPM library.
261
262config TPL_TPM
263 bool "Trusted Platform Module (TPM) Support in TPL"
264 depends on TPL_DM
265 help
266 This enables support for TPMs which can be used to provide security
267 features for your board. The TPM can be connected via LPC or I2C
268 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
269 command to interactive the TPM. Driver model support is provided
270 for the low-level TPM interface, but only one TPM is supported at
271 a time by the TPM library.
272
Simon Glassb1a873d2017-04-26 22:27:49 -0600273endmenu
274
Igor Opaniuk33305842018-06-03 21:56:37 +0300275menu "Android Verified Boot"
276
277config LIBAVB
278 bool "Android Verified Boot 2.0 support"
279 depends on ANDROID_BOOT_IMAGE
280 default n
281 help
282 This enables support of Android Verified Boot 2.0 which can be used
283 to assure the end user of the integrity of the software running on a
284 device. Introduces such features as boot chain of trust, rollback
285 protection etc.
286
287endmenu
288
gaurav rana94e3c8c2015-02-20 12:51:46 +0530289menu "Hashing Support"
290
291config SHA1
292 bool "Enable SHA1 support"
293 help
294 This option enables support of hashing using SHA1 algorithm.
295 The hash is calculated in software.
296 The SHA1 algorithm produces a 160-bit (20-byte) hash value
297 (digest).
298
299config SHA256
300 bool "Enable SHA256 support"
301 help
302 This option enables support of hashing using SHA256 algorithm.
303 The hash is calculated in software.
304 The SHA256 algorithm produces a 256-bit (32-byte) hash value
305 (digest).
306
307config SHA_HW_ACCEL
308 bool "Enable hashing using hardware"
309 help
310 This option enables hardware acceleration
311 for SHA1/SHA256 hashing.
312 This affects the 'hash' command and also the
313 hash_lookup_algo() function.
314
315config SHA_PROG_HW_ACCEL
316 bool "Enable Progressive hashing support using hardware"
317 depends on SHA_HW_ACCEL
318 help
319 This option enables hardware-acceleration for
320 SHA1/SHA256 progressive hashing.
321 Data can be streamed in a block at a time and the hashing
322 is performed in hardware.
Andre Przywarabea79d72017-03-15 01:19:05 +0000323
324config MD5
325 bool
326
Marek BehĂșn85d8bf52017-09-03 17:00:23 +0200327config CRC32C
328 bool
329
Marek BehĂșn83a486b2019-04-29 22:40:43 +0200330config XXHASH
331 bool
332
gaurav rana94e3c8c2015-02-20 12:51:46 +0530333endmenu
334
Julius Werner027b7282015-10-06 20:03:53 -0700335menu "Compression Support"
336
337config LZ4
338 bool "Enable LZ4 decompression support"
339 help
340 If this option is set, support for LZ4 compressed images
341 is included. The LZ4 algorithm can run in-place as long as the
342 compressed image is loaded to the end of the output buffer, and
343 trades lower compression ratios for much faster decompression.
344
345 NOTE: This implements the release version of the LZ4 frame
346 format as generated by default by the 'lz4' command line tool.
347 This is not the same as the outdated, less efficient legacy
348 frame format currently (2015) implemented in the Linux kernel
349 (generated by 'lz4 -l'). The two formats are incompatible.
350
Simon Glassaed998a2017-05-17 03:25:42 -0600351config LZMA
352 bool "Enable LZMA decompression support"
353 help
354 This enables support for LZMA (Lempel-Ziv-Markov chain algorithm),
355 a dictionary compression algorithm that provides a high compression
356 ratio and fairly fast decompression speed. See also
357 CONFIG_CMD_LZMADEC which provides a decode command.
358
Boris Brezillon173aafb2017-02-27 18:22:06 +0100359config LZO
Tom Rinid56b4b12017-07-22 18:36:16 -0400360 bool "Enable LZO decompression support"
361 help
362 This enables support for LZO compression algorithm.r
York Sun7264f292017-08-15 11:14:43 -0700363
Marek Vasut95f4bbd2019-03-08 16:06:55 +0100364config GZIP
Heiko Schocher51323612019-04-29 08:59:38 +0200365 bool "Enable gzip decompression support"
Marek Vasut95f4bbd2019-03-08 16:06:55 +0100366 select ZLIB
367 default y
368 help
369 This enables support for GZIP compression algorithm.
370
371config ZLIB
372 bool
373 default y
374 help
375 This enables ZLIB compression lib.
376
Marek BehĂșn8509f222019-04-29 22:40:44 +0200377config ZSTD
378 bool "Enable Zstandard decompression support"
379 select XXHASH
380 help
381 This enables Zstandard decompression library.
382
Simon Glass048c6e82018-11-06 15:21:30 -0700383config SPL_LZ4
384 bool "Enable LZ4 decompression support in SPL"
385 help
386 This enables support for tge LZ4 decompression algorithm in SPL. LZ4
387 is a lossless data compression algorithm that is focused on
388 fast compression and decompression speed. It belongs to the LZ77
389 family of byte-oriented compression schemes.
390
Jean-Jacques Hiblotf52bdf42017-09-15 12:57:30 +0200391config SPL_LZO
392 bool "Enable LZO decompression support in SPL"
393 help
394 This enables support for LZO compression algorithm in the SPL.
395
York Sun7264f292017-08-15 11:14:43 -0700396config SPL_GZIP
397 bool "Enable gzip decompression support for SPL build"
398 select SPL_ZLIB
399 help
400 This enables support for GZIP compression altorithm for SPL boot.
401
402config SPL_ZLIB
403 bool
404 help
405 This enables compression lib for SPL boot.
406
Marek BehĂșn8509f222019-04-29 22:40:44 +0200407config SPL_ZSTD
408 bool "Enable Zstandard decompression support in SPL"
409 select XXHASH
410 help
411 This enables Zstandard decompression library in the SPL.
412
Julius Werner027b7282015-10-06 20:03:53 -0700413endmenu
414
Przemyslaw Marczak6501ff62015-04-20 20:07:40 +0200415config ERRNO_STR
416 bool "Enable function for getting errno-related string message"
417 help
418 The function errno_str(int errno), returns a pointer to the errno
419 corresponding text message:
420 - if errno is null or positive number - a pointer to "Success" message
421 - if errno is negative - a pointer to errno related message
422
Alexey Brodkinf8c987f2018-06-05 17:17:57 +0300423config HEXDUMP
424 bool "Enable hexdump"
425 help
426 This enables functions for printing dumps of binary data.
427
Simon Glass69e173e2016-02-22 22:55:42 -0700428config OF_LIBFDT
429 bool "Enable the FDT library"
430 default y if OF_CONTROL
431 help
432 This enables the FDT library (libfdt). It provides functions for
433 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinf1a7ba12017-08-18 17:58:51 +0200434 removing nodes and properties, scanning through the tree and finding
Simon Glass69e173e2016-02-22 22:55:42 -0700435 particular compatible nodes. The library operates on a flattened
436 version of the device tree.
437
Maxime Ripardddf67f72016-07-05 10:26:44 +0200438config OF_LIBFDT_OVERLAY
439 bool "Enable the FDT library overlay support"
Tom Rini64175722018-05-08 08:52:17 -0400440 depends on OF_LIBFDT
Praneeth Bajjuri58a46f82018-04-25 16:03:23 -0500441 default y if ARCH_OMAP2PLUS || ARCH_KEYSTONE
Maxime Ripardddf67f72016-07-05 10:26:44 +0200442 help
443 This enables the FDT library (libfdt) overlay support.
444
Simon Glassaa34fbc2016-02-22 22:55:45 -0700445config SPL_OF_LIBFDT
446 bool "Enable the FDT library for SPL"
447 default y if SPL_OF_CONTROL
448 help
449 This enables the FDT library (libfdt). It provides functions for
450 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinf1a7ba12017-08-18 17:58:51 +0200451 removing nodes and properties, scanning through the tree and finding
Simon Glassaa34fbc2016-02-22 22:55:45 -0700452 particular compatible nodes. The library operates on a flattened
453 version of the device tree.
454
Simon Glass5592a632018-10-01 12:22:21 -0600455config TPL_OF_LIBFDT
456 bool "Enable the FDT library for TPL"
457 default y if TPL_OF_CONTROL
458 help
459 This enables the FDT library (libfdt). It provides functions for
460 accessing binary device tree images in memory, such as adding and
461 removing nodes and properties, scanning through the tree and finding
462 particular compatible nodes. The library operates on a flattened
463 version of the device tree.
464
Heiko Schocherebf7fff2016-10-06 07:31:45 +0200465config FDT_FIXUP_PARTITIONS
466 bool "overwrite MTD partitions in DTS through defined in 'mtdparts'"
467 depends on OF_LIBFDT
Masahiro Yamadaab948cd2018-07-20 11:04:09 +0900468 depends on CMD_MTDPARTS
Heiko Schocherebf7fff2016-10-06 07:31:45 +0200469 help
470 Allow overwriting defined partitions in the device tree blob
471 using partition info defined in the 'mtdparts' environment
472 variable.
473
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200474menu "System tables"
Alexander Grafe663b352016-08-19 01:23:29 +0200475 depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER)
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200476
477config GENERATE_SMBIOS_TABLE
478 bool "Generate an SMBIOS (System Management BIOS) table"
479 default y
Alexander Grafe663b352016-08-19 01:23:29 +0200480 depends on X86 || EFI_LOADER
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200481 help
482 The System Management BIOS (SMBIOS) specification addresses how
483 motherboard and system vendors present management information about
484 their products in a standard format by extending the BIOS interface
485 on Intel architecture systems.
486
487 Check http://www.dmtf.org/standards/smbios for details.
488
489config SMBIOS_MANUFACTURER
490 string "SMBIOS Manufacturer"
491 depends on GENERATE_SMBIOS_TABLE
492 default SYS_VENDOR
493 help
494 The board manufacturer to store in SMBIOS structures.
495 Change this to override the default one (CONFIG_SYS_VENDOR).
496
497config SMBIOS_PRODUCT_NAME
498 string "SMBIOS Product Name"
499 depends on GENERATE_SMBIOS_TABLE
500 default SYS_BOARD
501 help
502 The product name to store in SMBIOS structures.
503 Change this to override the default one (CONFIG_SYS_BOARD).
504
505endmenu
506
Simon Glass867a6ac2015-07-31 09:31:36 -0600507source lib/efi/Kconfig
Alexander Grafed980b82016-03-04 01:10:07 +0100508source lib/efi_loader/Kconfig
Bryan O'Donoghue32ce6172018-03-13 16:50:27 +0000509source lib/optee/Kconfig
Simon Glass867a6ac2015-07-31 09:31:36 -0600510
Thierry Reding54969b42019-03-21 19:10:04 +0100511config TEST_FDTDEC
512 bool "enable fdtdec test"
513 depends on OF_LIBFDT
514
Masahiro Yamadaed363232014-09-16 16:32:58 +0900515endmenu