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Masahiro Yamadaf3e12b72014-09-16 16:32:58 +09001menu "Library routines"
2
Adam Ford02bf5362017-08-11 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 Yamada3f053fe2014-09-16 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 Abbas6199fb12018-02-06 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
Masahiro Yamada9520b712014-10-24 01:30:43 +090024config HAVE_PRIVATE_LIBGCC
25 bool
26
Adam Ford70c8f052018-02-06 12:14:28 -060027config LIB_UUID
28 bool
29
Alex Kiernan5b404282018-04-19 04:32:54 +000030config PRINTF
31 bool
32 default y
33
34config SPL_PRINTF
35 bool
36 select SPL_SPRINTF
37 select SPL_STRTO if !USE_TINY_PRINTF
38
39config TPL_PRINTF
40 bool
41 select TPL_SPRINTF
42 select TPL_STRTO if !USE_TINY_PRINTF
43
44config SPRINTF
45 bool
46 default y
47
48config SPL_SPRINTF
49 bool
50
51config TPL_SPRINTF
52 bool
53
54config STRTO
55 bool
56 default y
57
58config SPL_STRTO
59 bool
60
61config TPL_STRTO
62 bool
63
Masahiro Yamada9520b712014-10-24 01:30:43 +090064config USE_PRIVATE_LIBGCC
65 bool "Use private libgcc"
66 depends on HAVE_PRIVATE_LIBGCC
Marek Vasut4e0126e2016-05-26 18:01:47 +020067 default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS)
Masahiro Yamada9520b712014-10-24 01:30:43 +090068 help
69 This option allows you to use the built-in libgcc implementation
Masahiro Yamada1c6a5e42016-03-30 20:17:42 +090070 of U-Boot instead of the one provided by the compiler.
Masahiro Yamada9520b712014-10-24 01:30:43 +090071 If unsure, say N.
72
Masahiro Yamadae301fa02014-10-24 01:30:40 +090073config SYS_HZ
74 int
75 default 1000
76 help
77 The frequency of the timer returned by get_timer().
78 get_timer() must operate in milliseconds and this option must be
79 set to 1000.
80
Stefan Roese363ab7b2015-11-23 07:00:22 +010081config USE_TINY_PRINTF
82 bool "Enable tiny printf() version"
83 help
84 This option enables a tiny, stripped down printf version.
85 This should only be used in space limited environments,
86 like SPL versions with hard memory limits. This version
87 reduces the code size by about 2.5KiB on armv7.
88
89 The supported format specifiers are %c, %s, %u/%d and %x.
90
Masahiro Yamadaacede7a2017-12-04 12:37:00 +090091config PANIC_HANG
92 bool "Do not reset the system on fatal error"
93 help
94 Define this option to stop the system in case of a fatal error,
95 so that you have to reset it manually. This is probably NOT a good
96 idea for an embedded system where you want the system to reboot
97 automatically as fast as possible, but it may be useful during
98 development since you can try to debug the conditions that lead to
99 the situation.
100
Joe Hershberger937d3e82015-04-21 17:02:42 -0500101config REGEX
102 bool "Enable regular expression support"
Joe Hershberger8ab8b722015-06-22 17:57:36 -0500103 default y if NET
Joe Hershberger937d3e82015-04-21 17:02:42 -0500104 help
105 If this variable is defined, U-Boot is linked against the
106 SLRE (Super Light Regular Expression) library, which adds
107 regex support to some commands, for example "env grep" and
108 "setexpr".
109
Adam Ford38003a62018-02-06 10:18:18 -0600110choice
111 prompt "Pseudo-random library support type"
112 depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID
113 default LIB_RAND
Masahiro Yamada2743c072015-06-11 19:16:43 +0900114 help
Adam Ford38003a62018-02-06 10:18:18 -0600115 Select the library to provide pseudo-random number generator
116 functions. LIB_HW_RAND supports certain hardware engines that
117 provide this functionality. If in doubt, select LIB_RAND.
118
119config LIB_RAND
120 bool "Pseudo-random library support"
121
122config LIB_HW_RAND
123 bool "HW Engine for random libray support"
124
125endchoice
Michal Simek2c1b1db2015-05-25 11:37:22 +0200126
Simon Glasse2f94ae2017-04-02 09:50:28 -0600127config SPL_TINY_MEMSET
128 bool "Use a very small memset() in SPL"
129 help
130 The faster memset() is the arch-specific one (if available) enabled
131 by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get
132 better performance by writing a word at a time. But in very
133 size-constrained envrionments even this may be too big. Enable this
134 option to reduce code size slightly at the cost of some speed.
135
Philipp Tomsichfefc4ec2017-08-03 22:52:04 +0200136config TPL_TINY_MEMSET
137 bool "Use a very small memset() in TPL"
138 help
139 The faster memset() is the arch-specific one (if available) enabled
140 by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get
141 better performance by writing a word at a time. But in very
142 size-constrained envrionments even this may be too big. Enable this
143 option to reduce code size slightly at the cost of some speed.
144
Boris Brezillon627dc182017-02-27 18:22:05 +0100145config RBTREE
146 bool
147
Nandor Hand5ea84a2017-11-08 15:35:14 +0000148config BITREVERSE
149 bool "Bit reverse library from Linux"
150
Simon Glass99dbe4b2015-06-23 15:38:23 -0600151source lib/dhry/Kconfig
152
Simon Glass528fdd12017-04-26 22:27:49 -0600153menu "Security support"
154
155config AES
156 bool "Support the AES algorithm"
157 help
158 This provides a means to encrypt and decrypt data using the AES
159 (Advanced Encryption Standard). This algorithm uses a symetric key
160 and is widely used as a streaming cipher. Different key lengths are
161 supported by the algorithm but only a 128-bit key is supported at
162 present.
163
Ruchika Gupta4acd8c42015-01-23 16:01:56 +0530164source lib/rsa/Kconfig
Ruchika Gupta2c3822e2015-01-23 16:01:51 +0530165
Simon Glass350497c2015-08-22 18:31:19 -0600166config TPM
167 bool "Trusted Platform Module (TPM) Support"
Simon Glasscf294b02015-10-03 06:39:36 -0600168 depends on DM
Simon Glass350497c2015-08-22 18:31:19 -0600169 help
170 This enables support for TPMs which can be used to provide security
171 features for your board. The TPM can be connected via LPC or I2C
172 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
173 command to interactive the TPM. Driver model support is provided
174 for the low-level TPM interface, but only one TPM is supported at
175 a time by the TPM library.
176
Simon Glass528fdd12017-04-26 22:27:49 -0600177endmenu
178
gaurav ranaef201592015-02-20 12:51:46 +0530179menu "Hashing Support"
180
181config SHA1
182 bool "Enable SHA1 support"
183 help
184 This option enables support of hashing using SHA1 algorithm.
185 The hash is calculated in software.
186 The SHA1 algorithm produces a 160-bit (20-byte) hash value
187 (digest).
188
189config SHA256
190 bool "Enable SHA256 support"
191 help
192 This option enables support of hashing using SHA256 algorithm.
193 The hash is calculated in software.
194 The SHA256 algorithm produces a 256-bit (32-byte) hash value
195 (digest).
196
197config SHA_HW_ACCEL
198 bool "Enable hashing using hardware"
199 help
200 This option enables hardware acceleration
201 for SHA1/SHA256 hashing.
202 This affects the 'hash' command and also the
203 hash_lookup_algo() function.
204
205config SHA_PROG_HW_ACCEL
206 bool "Enable Progressive hashing support using hardware"
207 depends on SHA_HW_ACCEL
208 help
209 This option enables hardware-acceleration for
210 SHA1/SHA256 progressive hashing.
211 Data can be streamed in a block at a time and the hashing
212 is performed in hardware.
Andre Przywaraf0fa1132017-03-15 01:19:05 +0000213
214config MD5
215 bool
216
Marek BehĂșncdccc032017-09-03 17:00:23 +0200217config CRC32C
218 bool
219
gaurav ranaef201592015-02-20 12:51:46 +0530220endmenu
221
Julius Wernerf41a3ca2015-10-06 20:03:53 -0700222menu "Compression Support"
223
224config LZ4
225 bool "Enable LZ4 decompression support"
226 help
227 If this option is set, support for LZ4 compressed images
228 is included. The LZ4 algorithm can run in-place as long as the
229 compressed image is loaded to the end of the output buffer, and
230 trades lower compression ratios for much faster decompression.
231
232 NOTE: This implements the release version of the LZ4 frame
233 format as generated by default by the 'lz4' command line tool.
234 This is not the same as the outdated, less efficient legacy
235 frame format currently (2015) implemented in the Linux kernel
236 (generated by 'lz4 -l'). The two formats are incompatible.
237
Simon Glass264aa5f2017-05-17 03:25:42 -0600238config LZMA
239 bool "Enable LZMA decompression support"
240 help
241 This enables support for LZMA (Lempel-Ziv-Markov chain algorithm),
242 a dictionary compression algorithm that provides a high compression
243 ratio and fairly fast decompression speed. See also
244 CONFIG_CMD_LZMADEC which provides a decode command.
245
Boris Brezillonaa57d0f2017-02-27 18:22:06 +0100246config LZO
Tom Rinic20bb732017-07-22 18:36:16 -0400247 bool "Enable LZO decompression support"
248 help
249 This enables support for LZO compression algorithm.r
York Suna6945fe2017-08-15 11:14:43 -0700250
Jean-Jacques Hiblotdbde2882017-09-15 12:57:30 +0200251config SPL_LZO
252 bool "Enable LZO decompression support in SPL"
253 help
254 This enables support for LZO compression algorithm in the SPL.
255
York Suna6945fe2017-08-15 11:14:43 -0700256config SPL_GZIP
257 bool "Enable gzip decompression support for SPL build"
258 select SPL_ZLIB
259 help
260 This enables support for GZIP compression altorithm for SPL boot.
261
262config SPL_ZLIB
263 bool
264 help
265 This enables compression lib for SPL boot.
266
Julius Wernerf41a3ca2015-10-06 20:03:53 -0700267endmenu
268
Przemyslaw Marczak37550132015-04-20 20:07:40 +0200269config ERRNO_STR
270 bool "Enable function for getting errno-related string message"
271 help
272 The function errno_str(int errno), returns a pointer to the errno
273 corresponding text message:
274 - if errno is null or positive number - a pointer to "Success" message
275 - if errno is negative - a pointer to errno related message
276
Simon Glassa66c5412016-02-22 22:55:42 -0700277config OF_LIBFDT
278 bool "Enable the FDT library"
279 default y if OF_CONTROL
280 help
281 This enables the FDT library (libfdt). It provides functions for
282 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinda707d42017-08-18 17:58:51 +0200283 removing nodes and properties, scanning through the tree and finding
Simon Glassa66c5412016-02-22 22:55:42 -0700284 particular compatible nodes. The library operates on a flattened
285 version of the device tree.
286
Maxime Ripard9e901ce2016-07-05 10:26:44 +0200287config OF_LIBFDT_OVERLAY
288 bool "Enable the FDT library overlay support"
289 help
290 This enables the FDT library (libfdt) overlay support.
291
Simon Glass8b426922016-02-22 22:55:45 -0700292config SPL_OF_LIBFDT
293 bool "Enable the FDT library for SPL"
294 default y if SPL_OF_CONTROL
295 help
296 This enables the FDT library (libfdt). It provides functions for
297 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinda707d42017-08-18 17:58:51 +0200298 removing nodes and properties, scanning through the tree and finding
Simon Glass8b426922016-02-22 22:55:45 -0700299 particular compatible nodes. The library operates on a flattened
300 version of the device tree.
301
Heiko Schocherc9ab9102016-10-06 07:31:45 +0200302config FDT_FIXUP_PARTITIONS
303 bool "overwrite MTD partitions in DTS through defined in 'mtdparts'"
304 depends on OF_LIBFDT
305 default n
306 help
307 Allow overwriting defined partitions in the device tree blob
308 using partition info defined in the 'mtdparts' environment
309 variable.
310
Alexander Graffb228082016-08-19 01:23:23 +0200311menu "System tables"
Alexander Graf66f96e12016-08-19 01:23:29 +0200312 depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER)
Alexander Graffb228082016-08-19 01:23:23 +0200313
314config GENERATE_SMBIOS_TABLE
315 bool "Generate an SMBIOS (System Management BIOS) table"
316 default y
Alexander Graf66f96e12016-08-19 01:23:29 +0200317 depends on X86 || EFI_LOADER
Alexander Graffb228082016-08-19 01:23:23 +0200318 help
319 The System Management BIOS (SMBIOS) specification addresses how
320 motherboard and system vendors present management information about
321 their products in a standard format by extending the BIOS interface
322 on Intel architecture systems.
323
324 Check http://www.dmtf.org/standards/smbios for details.
325
326config SMBIOS_MANUFACTURER
327 string "SMBIOS Manufacturer"
328 depends on GENERATE_SMBIOS_TABLE
329 default SYS_VENDOR
330 help
331 The board manufacturer to store in SMBIOS structures.
332 Change this to override the default one (CONFIG_SYS_VENDOR).
333
334config SMBIOS_PRODUCT_NAME
335 string "SMBIOS Product Name"
336 depends on GENERATE_SMBIOS_TABLE
337 default SYS_BOARD
338 help
339 The product name to store in SMBIOS structures.
340 Change this to override the default one (CONFIG_SYS_BOARD).
341
342endmenu
343
Simon Glass9539e692015-07-31 09:31:36 -0600344source lib/efi/Kconfig
Alexander Graf67ee7052016-03-04 01:10:07 +0100345source lib/efi_loader/Kconfig
Bryan O'Donoghue4b0de7c2018-03-13 16:50:27 +0000346source lib/optee/Kconfig
Simon Glass9539e692015-07-31 09:31:36 -0600347
Masahiro Yamadaf3e12b72014-09-16 16:32:58 +0900348endmenu