]>
Commit | Line | Data |
---|---|---|
ed36323f MY |
1 | menu "Library routines" |
2 | ||
69be8fd1 MS |
3 | config 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 | ||
e0103158 BM |
9 | This library only works in the post-relocation phase. |
10 | ||
69be8fd1 MS |
11 | config 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 | ||
6ef2f901 AF |
18 | config 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 | ||
3c10dc95 SG |
25 | config BINMAN_FDT |
26 | bool "Allow access to binman information in the device tree" | |
56e7257c | 27 | depends on BINMAN && DM && OF_CONTROL |
1621d3c4 | 28 | default y if OF_SEPARATE || OF_EMBED |
3c10dc95 SG |
29 | 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 | ||
b0928da6 MY |
35 | config 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 | ||
1a46cb6c SG |
43 | config 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 | ||
36c1877c FA |
51 | config 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 | ||
2895c4b7 BM |
57 | config 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 | ||
45ccec8f MY |
63 | config HAVE_PRIVATE_LIBGCC |
64 | bool | |
65 | ||
a451bc27 AF |
66 | config LIB_UUID |
67 | bool | |
68 | ||
14ad44ab AK |
69 | config PRINTF |
70 | bool | |
71 | default y | |
72 | ||
73 | config SPL_PRINTF | |
74 | bool | |
75 | select SPL_SPRINTF | |
27084c03 | 76 | select SPL_STRTO if !SPL_USE_TINY_PRINTF |
14ad44ab AK |
77 | |
78 | config TPL_PRINTF | |
79 | bool | |
80 | select TPL_SPRINTF | |
27084c03 | 81 | select TPL_STRTO if !TPL_USE_TINY_PRINTF |
14ad44ab AK |
82 | |
83 | config SPRINTF | |
84 | bool | |
85 | default y | |
86 | ||
87 | config SPL_SPRINTF | |
88 | bool | |
89 | ||
90 | config TPL_SPRINTF | |
91 | bool | |
92 | ||
e87dfb05 AA |
93 | config SSCANF |
94 | bool | |
e87dfb05 | 95 | |
14ad44ab AK |
96 | config STRTO |
97 | bool | |
98 | default y | |
99 | ||
100 | config SPL_STRTO | |
101 | bool | |
102 | ||
103 | config TPL_STRTO | |
104 | bool | |
105 | ||
c232d14d AK |
106 | config IMAGE_SPARSE |
107 | bool | |
108 | ||
109 | config IMAGE_SPARSE_FILLBUF_SIZE | |
110 | hex "Android sparse image CHUNK_TYPE_FILL buffer size" | |
111 | default 0x80000 | |
112 | depends on IMAGE_SPARSE | |
113 | help | |
114 | Set the size of the fill buffer used when processing CHUNK_TYPE_FILL | |
115 | chunks. | |
116 | ||
45ccec8f MY |
117 | config USE_PRIVATE_LIBGCC |
118 | bool "Use private libgcc" | |
119 | depends on HAVE_PRIVATE_LIBGCC | |
91b86e21 | 120 | default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS) |
45ccec8f MY |
121 | help |
122 | This option allows you to use the built-in libgcc implementation | |
67976306 | 123 | of U-Boot instead of the one provided by the compiler. |
45ccec8f MY |
124 | If unsure, say N. |
125 | ||
8c688bc4 MY |
126 | config SYS_HZ |
127 | int | |
128 | default 1000 | |
129 | help | |
130 | The frequency of the timer returned by get_timer(). | |
131 | get_timer() must operate in milliseconds and this option must be | |
132 | set to 1000. | |
133 | ||
27084c03 | 134 | config SPL_USE_TINY_PRINTF |
37ef1774 | 135 | bool "Enable tiny printf() version in SPL" |
27084c03 | 136 | depends on SPL |
2a51e16b | 137 | default y |
7d9cde10 SR |
138 | help |
139 | This option enables a tiny, stripped down printf version. | |
140 | This should only be used in space limited environments, | |
141 | like SPL versions with hard memory limits. This version | |
142 | reduces the code size by about 2.5KiB on armv7. | |
143 | ||
144 | The supported format specifiers are %c, %s, %u/%d and %x. | |
145 | ||
27084c03 | 146 | config TPL_USE_TINY_PRINTF |
37ef1774 | 147 | bool "Enable tiny printf() version in TPL" |
27084c03 SG |
148 | depends on TPL |
149 | default y if SPL_USE_TINY_PRINTF | |
150 | help | |
151 | This option enables a tiny, stripped down printf version. | |
152 | This should only be used in space limited environments, | |
153 | like SPL versions with hard memory limits. This version | |
154 | reduces the code size by about 2.5KiB on armv7. | |
155 | ||
156 | The supported format specifiers are %c, %s, %u/%d and %x. | |
157 | ||
7e3caa81 MY |
158 | config PANIC_HANG |
159 | bool "Do not reset the system on fatal error" | |
160 | help | |
161 | Define this option to stop the system in case of a fatal error, | |
162 | so that you have to reset it manually. This is probably NOT a good | |
163 | idea for an embedded system where you want the system to reboot | |
164 | automatically as fast as possible, but it may be useful during | |
165 | development since you can try to debug the conditions that lead to | |
166 | the situation. | |
167 | ||
1a60650c JH |
168 | config REGEX |
169 | bool "Enable regular expression support" | |
f7848d90 | 170 | default y if NET |
1a60650c JH |
171 | help |
172 | If this variable is defined, U-Boot is linked against the | |
173 | SLRE (Super Light Regular Expression) library, which adds | |
174 | regex support to some commands, for example "env grep" and | |
175 | "setexpr". | |
176 | ||
a5a37567 AF |
177 | choice |
178 | prompt "Pseudo-random library support type" | |
1611235b | 179 | depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID || \ |
28cef9ca | 180 | RNG_SANDBOX || UT_LIB && AES || FAT_WRITE |
a5a37567 | 181 | default LIB_RAND |
3850dbe8 | 182 | help |
a5a37567 AF |
183 | Select the library to provide pseudo-random number generator |
184 | functions. LIB_HW_RAND supports certain hardware engines that | |
185 | provide this functionality. If in doubt, select LIB_RAND. | |
186 | ||
187 | config LIB_RAND | |
188 | bool "Pseudo-random library support" | |
189 | ||
190 | config LIB_HW_RAND | |
43e442a5 | 191 | bool "HW Engine for random library support" |
a5a37567 AF |
192 | |
193 | endchoice | |
9ba9e85f | 194 | |
ab4458bd SG |
195 | config SPL_TINY_MEMSET |
196 | bool "Use a very small memset() in SPL" | |
197 | help | |
198 | The faster memset() is the arch-specific one (if available) enabled | |
199 | by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get | |
200 | better performance by writing a word at a time. But in very | |
6e705114 | 201 | size-constrained environments even this may be too big. Enable this |
ab4458bd SG |
202 | option to reduce code size slightly at the cost of some speed. |
203 | ||
96b9082c PT |
204 | config TPL_TINY_MEMSET |
205 | bool "Use a very small memset() in TPL" | |
206 | help | |
207 | The faster memset() is the arch-specific one (if available) enabled | |
208 | by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get | |
209 | better performance by writing a word at a time. But in very | |
6e705114 | 210 | size-constrained environments even this may be too big. Enable this |
96b9082c PT |
211 | option to reduce code size slightly at the cost of some speed. |
212 | ||
aa049152 BB |
213 | config RBTREE |
214 | bool | |
215 | ||
da5337a6 NH |
216 | config BITREVERSE |
217 | bool "Bit reverse library from Linux" | |
218 | ||
a24a78d7 SG |
219 | config TRACE |
220 | bool "Support for tracing of function calls and timing" | |
221 | imply CMD_TRACE | |
a80f8513 | 222 | select TIMER_EARLY |
a24a78d7 SG |
223 | help |
224 | Enables function tracing within U-Boot. This allows recording of call | |
225 | traces including timing information. The command can write data to | |
226 | memory for exporting for analysis (e.g. using bootchart). | |
227 | See doc/README.trace for full details. | |
228 | ||
1c6eb075 SG |
229 | config TRACE_BUFFER_SIZE |
230 | hex "Size of trace buffer in U-Boot" | |
231 | depends on TRACE | |
232 | default 0x01000000 | |
233 | help | |
234 | Sets the size of the trace buffer in U-Boot. This is allocated from | |
235 | memory during relocation. If this buffer is too small, the trace | |
236 | history will be truncated, with later records omitted. | |
237 | ||
238 | If early trace is enabled (i.e. before relocation), this buffer must | |
239 | be large enough to include all the data from the early trace buffer as | |
240 | well, since this is copied over to the main buffer during relocation. | |
241 | ||
242 | A trace record is emitted for each function call and each record is | |
243 | 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If | |
244 | the size is too small then 'trace stats' will show a message saying | |
245 | how many records were dropped due to buffer overflow. | |
246 | ||
da0fb5fd HS |
247 | config TRACE_CALL_DEPTH_LIMIT |
248 | int "Trace call depth limit" | |
249 | depends on TRACE | |
250 | default 15 | |
251 | help | |
252 | Sets the maximum call depth up to which function calls are recorded. | |
253 | ||
1c6eb075 SG |
254 | config TRACE_EARLY |
255 | bool "Enable tracing before relocation" | |
256 | depends on TRACE | |
257 | help | |
258 | Sometimes it is helpful to trace execution of U-Boot before | |
259 | relocation. This is possible by using a arch-specific, fixed buffer | |
260 | position in memory. Enable this option to start tracing as early as | |
261 | possible after U-Boot starts. | |
262 | ||
263 | config TRACE_EARLY_SIZE | |
264 | hex "Size of early trace buffer in U-Boot" | |
265 | depends on TRACE_EARLY | |
266 | default 0x00100000 | |
267 | help | |
268 | Sets the size of the early trace buffer in bytes. This is used to hold | |
269 | tracing information before relocation. | |
270 | ||
da0fb5fd HS |
271 | config TRACE_EARLY_CALL_DEPTH_LIMIT |
272 | int "Early trace call depth limit" | |
273 | depends on TRACE_EARLY | |
274 | default 200 | |
275 | help | |
276 | Sets the maximum call depth up to which function calls are recorded | |
277 | during early tracing. | |
278 | ||
1c6eb075 SG |
279 | config TRACE_EARLY_ADDR |
280 | hex "Address of early trace buffer in U-Boot" | |
281 | depends on TRACE_EARLY | |
282 | default 0x00100000 | |
283 | help | |
284 | Sets the address of the early trace buffer in U-Boot. This memory | |
285 | must be accessible before relocation. | |
286 | ||
287 | A trace record is emitted for each function call and each record is | |
288 | 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If | |
289 | the size is too small then the message which says the amount of early | |
290 | data being coped will the the same as the | |
291 | ||
d1389403 SG |
292 | source lib/dhry/Kconfig |
293 | ||
b1a873df SG |
294 | menu "Security support" |
295 | ||
296 | config AES | |
297 | bool "Support the AES algorithm" | |
298 | help | |
299 | This provides a means to encrypt and decrypt data using the AES | |
300 | (Advanced Encryption Standard). This algorithm uses a symetric key | |
301 | and is widely used as a streaming cipher. Different key lengths are | |
302 | supported by the algorithm but only a 128-bit key is supported at | |
303 | present. | |
304 | ||
928a8be7 | 305 | source lib/ecdsa/Kconfig |
d9f23c7f | 306 | source lib/rsa/Kconfig |
b4adf627 | 307 | source lib/crypto/Kconfig |
26dd9936 | 308 | source lib/crypt/Kconfig |
c4beb22f | 309 | |
a7d660bc SG |
310 | config TPM |
311 | bool "Trusted Platform Module (TPM) Support" | |
2419cd16 | 312 | depends on DM |
a7d660bc SG |
313 | help |
314 | This enables support for TPMs which can be used to provide security | |
315 | features for your board. The TPM can be connected via LPC or I2C | |
316 | and a sandbox TPM is provided for testing purposes. Use the 'tpm' | |
317 | command to interactive the TPM. Driver model support is provided | |
318 | for the low-level TPM interface, but only one TPM is supported at | |
319 | a time by the TPM library. | |
320 | ||
6307896c SG |
321 | config SPL_TPM |
322 | bool "Trusted Platform Module (TPM) Support in SPL" | |
323 | depends on SPL_DM | |
324 | help | |
325 | This enables support for TPMs which can be used to provide security | |
326 | features for your board. The TPM can be connected via LPC or I2C | |
327 | and a sandbox TPM is provided for testing purposes. Use the 'tpm' | |
328 | command to interactive the TPM. Driver model support is provided | |
329 | for the low-level TPM interface, but only one TPM is supported at | |
330 | a time by the TPM library. | |
331 | ||
332 | config TPL_TPM | |
333 | bool "Trusted Platform Module (TPM) Support in TPL" | |
334 | depends on TPL_DM | |
335 | help | |
336 | This enables support for TPMs which can be used to provide security | |
337 | features for your board. The TPM can be connected via LPC or I2C | |
338 | and a sandbox TPM is provided for testing purposes. Use the 'tpm' | |
339 | command to interactive the TPM. Driver model support is provided | |
340 | for the low-level TPM interface, but only one TPM is supported at | |
341 | a time by the TPM library. | |
342 | ||
b1a873df SG |
343 | endmenu |
344 | ||
3330584d IO |
345 | menu "Android Verified Boot" |
346 | ||
347 | config LIBAVB | |
348 | bool "Android Verified Boot 2.0 support" | |
349 | depends on ANDROID_BOOT_IMAGE | |
3330584d IO |
350 | help |
351 | This enables support of Android Verified Boot 2.0 which can be used | |
352 | to assure the end user of the integrity of the software running on a | |
353 | device. Introduces such features as boot chain of trust, rollback | |
354 | protection etc. | |
355 | ||
356 | endmenu | |
357 | ||
94e3c8c4 | 358 | menu "Hashing Support" |
359 | ||
360 | config SHA1 | |
361 | bool "Enable SHA1 support" | |
362 | help | |
363 | This option enables support of hashing using SHA1 algorithm. | |
364 | The hash is calculated in software. | |
365 | The SHA1 algorithm produces a 160-bit (20-byte) hash value | |
366 | (digest). | |
367 | ||
368 | config SHA256 | |
369 | bool "Enable SHA256 support" | |
370 | help | |
371 | This option enables support of hashing using SHA256 algorithm. | |
372 | The hash is calculated in software. | |
373 | The SHA256 algorithm produces a 256-bit (32-byte) hash value | |
374 | (digest). | |
375 | ||
d16b38f4 RD |
376 | config SHA512 |
377 | bool "Enable SHA512 support" | |
d16b38f4 RD |
378 | help |
379 | This option enables support of hashing using SHA512 algorithm. | |
380 | The hash is calculated in software. | |
381 | The SHA512 algorithm produces a 512-bit (64-byte) hash value | |
382 | (digest). | |
383 | ||
384 | config SHA384 | |
385 | bool "Enable SHA384 support" | |
e60e4499 | 386 | select SHA512 |
d16b38f4 RD |
387 | help |
388 | This option enables support of hashing using SHA384 algorithm. | |
e60e4499 AG |
389 | The hash is calculated in software. This is also selects SHA512, |
390 | because these implementations share the bulk of the code.. | |
d16b38f4 RD |
391 | The SHA384 algorithm produces a 384-bit (48-byte) hash value |
392 | (digest). | |
393 | ||
94e3c8c4 | 394 | config SHA_HW_ACCEL |
e2ae483c | 395 | bool "Enable hardware acceleration for SHA hash functions" |
94e3c8c4 | 396 | help |
e2ae483c HS |
397 | This option enables hardware acceleration for the SHA1 and SHA256 |
398 | hashing algorithms. This affects the 'hash' command and also the | |
399 | hash_lookup_algo() function. | |
400 | ||
603d15a5 SG |
401 | if SPL |
402 | ||
403 | config SPL_SHA1 | |
404 | bool "Enable SHA1 support in SPL" | |
405 | default y if SHA1 | |
406 | help | |
407 | This option enables support of hashing using SHA1 algorithm. | |
408 | The hash is calculated in software. | |
409 | The SHA1 algorithm produces a 160-bit (20-byte) hash value | |
410 | (digest). | |
411 | ||
412 | config SPL_SHA256 | |
413 | bool "Enable SHA256 support in SPL" | |
414 | default y if SHA256 | |
415 | help | |
416 | This option enables support of hashing using SHA256 algorithm. | |
417 | The hash is calculated in software. | |
418 | The SHA256 algorithm produces a 256-bit (32-byte) hash value | |
419 | (digest). | |
420 | ||
421 | config SPL_SHA512 | |
422 | bool "Enable SHA512 support in SPL" | |
423 | default y if SHA512 | |
424 | help | |
425 | This option enables support of hashing using SHA512 algorithm. | |
426 | The hash is calculated in software. | |
427 | The SHA512 algorithm produces a 512-bit (64-byte) hash value | |
428 | (digest). | |
429 | ||
430 | config SPL_SHA384 | |
431 | bool "Enable SHA384 support in SPL" | |
432 | default y if SHA384 | |
433 | select SPL_SHA512 | |
434 | help | |
435 | This option enables support of hashing using SHA384 algorithm. | |
436 | The hash is calculated in software. This is also selects SHA512, | |
437 | because these implementations share the bulk of the code.. | |
438 | The SHA384 algorithm produces a 384-bit (48-byte) hash value | |
439 | (digest). | |
440 | ||
2c21256b SG |
441 | config SPL_SHA_HW_ACCEL |
442 | bool "Enable hardware acceleration for SHA hash functions" | |
443 | default y if SHA_HW_ACCEL | |
444 | help | |
445 | This option enables hardware acceleration for the SHA1 and SHA256 | |
446 | hashing algorithms. This affects the 'hash' command and also the | |
447 | hash_lookup_algo() function. | |
448 | ||
449 | config SPL_SHA_PROG_HW_ACCEL | |
450 | bool "Enable Progressive hashing support using hardware in SPL" | |
451 | depends on SHA_PROG_HW_ACCEL | |
452 | default y | |
453 | help | |
454 | This option enables hardware-acceleration for SHA progressive | |
455 | hashing. | |
456 | Data can be streamed in a block at a time and the hashing is | |
457 | performed in hardware. | |
458 | ||
603d15a5 SG |
459 | endif |
460 | ||
e2ae483c HS |
461 | if SHA_HW_ACCEL |
462 | ||
463 | config SHA512_HW_ACCEL | |
464 | bool "Enable hardware acceleration for SHA512" | |
e60e4499 | 465 | depends on SHA512 |
e2ae483c HS |
466 | help |
467 | This option enables hardware acceleration for the SHA384 and SHA512 | |
468 | hashing algorithms. This affects the 'hash' command and also the | |
469 | hash_lookup_algo() function. | |
94e3c8c4 | 470 | |
471 | config SHA_PROG_HW_ACCEL | |
472 | bool "Enable Progressive hashing support using hardware" | |
94e3c8c4 | 473 | help |
a479f103 JS |
474 | This option enables hardware-acceleration for SHA progressive |
475 | hashing. | |
476 | Data can be streamed in a block at a time and the hashing is | |
477 | performed in hardware. | |
bea79d7d | 478 | |
e2ae483c HS |
479 | endif |
480 | ||
bea79d7d | 481 | config MD5 |
8239be61 SG |
482 | bool "Support MD5 algorithm" |
483 | help | |
484 | This option enables MD5 support. MD5 is an algorithm designed | |
485 | in 1991 that produces a 16-byte digest (or checksum) from its input | |
486 | data. It has a number of vulnerabilities which preclude its use in | |
487 | security applications, but it can be useful for providing a quick | |
488 | checksum of a block of data. | |
489 | ||
490 | config SPL_MD5 | |
491 | bool "Support MD5 algorithm in SPL" | |
492 | help | |
493 | This option enables MD5 support in SPL. MD5 is an algorithm designed | |
494 | in 1991 that produces a 16-byte digest (or checksum) from its input | |
495 | data. It has a number of vulnerabilities which preclude its use in | |
496 | security applications, but it can be useful for providing a quick | |
497 | checksum of a block of data. | |
bea79d7d | 498 | |
e7d285b2 SG |
499 | config CRC32 |
500 | def_bool y | |
501 | help | |
502 | Enables CRC32 support in U-Boot. This is normally required. | |
503 | ||
85d8bf57 MB |
504 | config CRC32C |
505 | bool | |
506 | ||
83a486b6 MB |
507 | config XXHASH |
508 | bool | |
509 | ||
94e3c8c4 | 510 | endmenu |
511 | ||
027b728d JW |
512 | menu "Compression Support" |
513 | ||
514 | config LZ4 | |
515 | bool "Enable LZ4 decompression support" | |
516 | help | |
517 | If this option is set, support for LZ4 compressed images | |
518 | is included. The LZ4 algorithm can run in-place as long as the | |
519 | compressed image is loaded to the end of the output buffer, and | |
520 | trades lower compression ratios for much faster decompression. | |
4fa0150d | 521 | |
027b728d JW |
522 | NOTE: This implements the release version of the LZ4 frame |
523 | format as generated by default by the 'lz4' command line tool. | |
524 | This is not the same as the outdated, less efficient legacy | |
525 | frame format currently (2015) implemented in the Linux kernel | |
526 | (generated by 'lz4 -l'). The two formats are incompatible. | |
527 | ||
aed998aa SG |
528 | config LZMA |
529 | bool "Enable LZMA decompression support" | |
530 | help | |
531 | This enables support for LZMA (Lempel-Ziv-Markov chain algorithm), | |
532 | a dictionary compression algorithm that provides a high compression | |
533 | ratio and fairly fast decompression speed. See also | |
534 | CONFIG_CMD_LZMADEC which provides a decode command. | |
535 | ||
173aafbf | 536 | config LZO |
d56b4b19 TR |
537 | bool "Enable LZO decompression support" |
538 | help | |
5145bc73 | 539 | This enables support for the LZO compression algorithm. |
7264f292 | 540 | |
95f4bbd5 | 541 | config GZIP |
5132361a | 542 | bool "Enable gzip decompression support" |
95f4bbd5 MV |
543 | select ZLIB |
544 | default y | |
545 | help | |
546 | This enables support for GZIP compression algorithm. | |
2a2119e1 | 547 | |
81014f73 JMC |
548 | config ZLIB_UNCOMPRESS |
549 | bool "Enables zlib's uncompress() functionality" | |
550 | help | |
551 | This enables an extra zlib functionality: the uncompress() function, | |
552 | which decompresses data from a buffer into another, knowing their | |
553 | sizes. Unlike gunzip(), there is no header parsing. | |
554 | ||
eff5a547 MW |
555 | config GZIP_COMPRESSED |
556 | bool | |
557 | select ZLIB | |
558 | ||
2a2119e1 AP |
559 | config BZIP2 |
560 | bool "Enable bzip2 decompression support" | |
561 | help | |
562 | This enables support for BZIP2 compression algorithm. | |
95f4bbd5 MV |
563 | |
564 | config ZLIB | |
565 | bool | |
566 | default y | |
567 | help | |
568 | This enables ZLIB compression lib. | |
569 | ||
8509f22a MB |
570 | config ZSTD |
571 | bool "Enable Zstandard decompression support" | |
572 | select XXHASH | |
573 | help | |
574 | This enables Zstandard decompression library. | |
575 | ||
048c6e89 SG |
576 | config SPL_LZ4 |
577 | bool "Enable LZ4 decompression support in SPL" | |
578 | help | |
43e442a5 | 579 | This enables support for the LZ4 decompression algorithm in SPL. LZ4 |
048c6e89 SG |
580 | is a lossless data compression algorithm that is focused on |
581 | fast compression and decompression speed. It belongs to the LZ77 | |
582 | family of byte-oriented compression schemes. | |
583 | ||
04cb3994 WG |
584 | config SPL_LZMA |
585 | bool "Enable LZMA decompression support for SPL build" | |
586 | help | |
43e442a5 | 587 | This enables support for LZMA compression algorithm for SPL boot. |
04cb3994 | 588 | |
f52bdf4b JJH |
589 | config SPL_LZO |
590 | bool "Enable LZO decompression support in SPL" | |
591 | help | |
592 | This enables support for LZO compression algorithm in the SPL. | |
593 | ||
7264f292 YS |
594 | config SPL_GZIP |
595 | bool "Enable gzip decompression support for SPL build" | |
596 | select SPL_ZLIB | |
597 | help | |
5145bc73 | 598 | This enables support for the GZIP compression algorithm for SPL boot. |
7264f292 YS |
599 | |
600 | config SPL_ZLIB | |
601 | bool | |
602 | help | |
603 | This enables compression lib for SPL boot. | |
604 | ||
8509f22a MB |
605 | config SPL_ZSTD |
606 | bool "Enable Zstandard decompression support in SPL" | |
607 | select XXHASH | |
608 | help | |
609 | This enables Zstandard decompression library in the SPL. | |
610 | ||
027b728d JW |
611 | endmenu |
612 | ||
6501ff62 PM |
613 | config ERRNO_STR |
614 | bool "Enable function for getting errno-related string message" | |
615 | help | |
616 | The function errno_str(int errno), returns a pointer to the errno | |
617 | corresponding text message: | |
618 | - if errno is null or positive number - a pointer to "Success" message | |
619 | - if errno is negative - a pointer to errno related message | |
620 | ||
f8c987f8 AB |
621 | config HEXDUMP |
622 | bool "Enable hexdump" | |
623 | help | |
624 | This enables functions for printing dumps of binary data. | |
625 | ||
26637e2e SG |
626 | config SPL_HEXDUMP |
627 | bool "Enable hexdump in SPL" | |
fa3f1f1d | 628 | depends on SPL && HEXDUMP |
26637e2e SG |
629 | help |
630 | This enables functions for printing dumps of binary data in | |
631 | SPL. | |
632 | ||
72eda507 SA |
633 | config GETOPT |
634 | bool "Enable getopt" | |
635 | help | |
636 | This enables functions for parsing command-line options. | |
637 | ||
69e173eb SG |
638 | config OF_LIBFDT |
639 | bool "Enable the FDT library" | |
640 | default y if OF_CONTROL | |
641 | help | |
642 | This enables the FDT library (libfdt). It provides functions for | |
643 | accessing binary device tree images in memory, such as adding and | |
f1a7ba1d | 644 | removing nodes and properties, scanning through the tree and finding |
69e173eb SG |
645 | particular compatible nodes. The library operates on a flattened |
646 | version of the device tree. | |
647 | ||
0d76afc0 SG |
648 | config OF_LIBFDT_ASSUME_MASK |
649 | hex "Mask of conditions to assume for libfdt" | |
650 | depends on OF_LIBFDT || FIT | |
651 | default 0 | |
652 | help | |
653 | Use this to change the assumptions made by libfdt about the | |
654 | device tree it is working with. A value of 0 means that no assumptions | |
655 | are made, and libfdt is able to deal with malicious data. A value of | |
656 | 0xff means all assumptions are made and any invalid data may cause | |
657 | unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h | |
658 | ||
ddf67f71 MR |
659 | config OF_LIBFDT_OVERLAY |
660 | bool "Enable the FDT library overlay support" | |
6417572e | 661 | depends on OF_LIBFDT |
58a46f88 | 662 | default y if ARCH_OMAP2PLUS || ARCH_KEYSTONE |
ddf67f71 MR |
663 | help |
664 | This enables the FDT library (libfdt) overlay support. | |
665 | ||
aa34fbc0 SG |
666 | config SPL_OF_LIBFDT |
667 | bool "Enable the FDT library for SPL" | |
668 | default y if SPL_OF_CONTROL | |
669 | help | |
670 | This enables the FDT library (libfdt). It provides functions for | |
671 | accessing binary device tree images in memory, such as adding and | |
f1a7ba1d | 672 | removing nodes and properties, scanning through the tree and finding |
aa34fbc0 SG |
673 | particular compatible nodes. The library operates on a flattened |
674 | version of the device tree. | |
675 | ||
0d76afc0 SG |
676 | config SPL_OF_LIBFDT_ASSUME_MASK |
677 | hex "Mask of conditions to assume for libfdt" | |
678 | depends on SPL_OF_LIBFDT || FIT | |
679 | default 0xff | |
680 | help | |
681 | Use this to change the assumptions made by libfdt in SPL about the | |
682 | device tree it is working with. A value of 0 means that no assumptions | |
683 | are made, and libfdt is able to deal with malicious data. A value of | |
684 | 0xff means all assumptions are made and any invalid data may cause | |
685 | unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h | |
686 | ||
5592a633 SG |
687 | config TPL_OF_LIBFDT |
688 | bool "Enable the FDT library for TPL" | |
689 | default y if TPL_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 | |
693 | removing nodes and properties, scanning through the tree and finding | |
694 | particular compatible nodes. The library operates on a flattened | |
695 | version of the device tree. | |
696 | ||
0d76afc0 SG |
697 | config TPL_OF_LIBFDT_ASSUME_MASK |
698 | hex "Mask of conditions to assume for libfdt" | |
699 | depends on TPL_OF_LIBFDT || FIT | |
700 | default 0xff | |
701 | help | |
702 | Use this to change the assumptions made by libfdt in TPL 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 | ||
ebf7fff2 HS |
708 | config FDT_FIXUP_PARTITIONS |
709 | bool "overwrite MTD partitions in DTS through defined in 'mtdparts'" | |
710 | depends on OF_LIBFDT | |
ab948cd2 | 711 | depends on CMD_MTDPARTS |
ebf7fff2 HS |
712 | help |
713 | Allow overwriting defined partitions in the device tree blob | |
714 | using partition info defined in the 'mtdparts' environment | |
715 | variable. | |
716 | ||
4b6dddc2 | 717 | menu "System tables" |
e663b350 | 718 | depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER) |
4b6dddc2 | 719 | |
d2cb7a22 SG |
720 | config BLOBLIST_TABLES |
721 | bool "Put tables in a bloblist" | |
f2c1442e | 722 | depends on X86 && BLOBLIST |
d2cb7a22 SG |
723 | help |
724 | Normally tables are placed at address 0xf0000 and can be up to 64KB | |
725 | long. With this option, tables are instead placed in the bloblist | |
726 | with a pointer from 0xf0000. The size can then be larger and the | |
727 | tables can be placed high in memory. | |
728 | ||
4b6dddc2 AG |
729 | config GENERATE_SMBIOS_TABLE |
730 | bool "Generate an SMBIOS (System Management BIOS) table" | |
731 | default y | |
e663b350 | 732 | depends on X86 || EFI_LOADER |
4b6dddc2 AG |
733 | help |
734 | The System Management BIOS (SMBIOS) specification addresses how | |
735 | motherboard and system vendors present management information about | |
736 | their products in a standard format by extending the BIOS interface | |
737 | on Intel architecture systems. | |
738 | ||
739 | Check http://www.dmtf.org/standards/smbios for details. | |
740 | ||
44c74bdd SG |
741 | See also SMBIOS_SYSINFO which allows SMBIOS values to be provided in |
742 | the devicetree. | |
743 | ||
7d0f3fbb TK |
744 | config LIB_RATIONAL |
745 | bool "enable continued fraction calculation routines" | |
746 | ||
747 | config SPL_LIB_RATIONAL | |
748 | bool "enable continued fraction calculation routines for SPL" | |
749 | depends on SPL | |
750 | ||
4b6dddc2 AG |
751 | endmenu |
752 | ||
2b12196d AT |
753 | config ASN1_COMPILER |
754 | bool | |
755 | ||
ab8a0e06 AT |
756 | config ASN1_DECODER |
757 | bool | |
758 | help | |
759 | Enable asn1 decoder library. | |
760 | ||
a9b45e6e AT |
761 | config OID_REGISTRY |
762 | bool | |
763 | help | |
764 | Enable fast lookup object identifier registry. | |
765 | ||
415eab06 CG |
766 | config SMBIOS_PARSER |
767 | bool "SMBIOS parser" | |
768 | help | |
769 | A simple parser for SMBIOS data. | |
770 | ||
867a6ac8 | 771 | source lib/efi/Kconfig |
ed980b8c | 772 | source lib/efi_loader/Kconfig |
32ce6179 | 773 | source lib/optee/Kconfig |
867a6ac8 | 774 | |
54969b40 TR |
775 | config TEST_FDTDEC |
776 | bool "enable fdtdec test" | |
777 | depends on OF_LIBFDT | |
778 | ||
05429b6c AT |
779 | config LIB_DATE |
780 | bool | |
781 | ||
805b3cac K |
782 | config LIB_ELF |
783 | bool | |
784 | help | |
6205bbb1 PD |
785 | Support basic elf loading/validating functions. |
786 | This supports for 32 bit and 64 bit versions. | |
805b3cac | 787 | |
77b8cfef PD |
788 | config LMB |
789 | bool "Enable the logical memory blocks library (lmb)" | |
790 | default y if ARC || ARM || M68K || MICROBLAZE || MIPS || NDS32 || \ | |
791 | NIOS2 || PPC || RISCV || SANDBOX || SH || X86 || XTENSA | |
792 | help | |
793 | Support the library logical memory blocks. | |
794 | ||
6d66502b PD |
795 | config LMB_USE_MAX_REGIONS |
796 | bool "Use a commun number of memory and reserved regions in lmb lib" | |
797 | depends on LMB | |
798 | default y | |
799 | help | |
800 | Define the number of supported memory regions in the library logical | |
801 | memory blocks. | |
802 | This feature allow to reduce the lmb library size by using compiler | |
803 | optimization when LMB_MEMORY_REGIONS == LMB_RESERVED_REGIONS. | |
4fa0150d PD |
804 | |
805 | config LMB_MAX_REGIONS | |
806 | int "Number of memory and reserved regions in lmb lib" | |
6d66502b | 807 | depends on LMB && LMB_USE_MAX_REGIONS |
4fa0150d PD |
808 | default 8 |
809 | help | |
810 | Define the number of supported regions, memory and reserved, in the | |
811 | library logical memory blocks. | |
6d66502b PD |
812 | |
813 | config LMB_MEMORY_REGIONS | |
814 | int "Number of memory regions in lmb lib" | |
815 | depends on LMB && !LMB_USE_MAX_REGIONS | |
816 | default 8 | |
817 | help | |
818 | Define the number of supported memory regions in the library logical | |
819 | memory blocks. | |
820 | The minimal value is CONFIG_NR_DRAM_BANKS. | |
821 | ||
822 | config LMB_RESERVED_REGIONS | |
823 | int "Number of reserved regions in lmb lib" | |
824 | depends on LMB && !LMB_USE_MAX_REGIONS | |
825 | default 8 | |
826 | help | |
827 | Define the number of supported reserved regions in the library logical | |
828 | memory blocks. | |
829 | ||
ed36323f | 830 | endmenu |
c589132a AG |
831 | |
832 | config PHANDLE_CHECK_SEQ | |
833 | bool "Enable phandle check while getting sequence number" | |
c589132a AG |
834 | help |
835 | When there are multiple device tree nodes with same name, | |
836 | enable this config option to distinguish them using | |
837 | phandles in fdtdec_get_alias_seq() function. |