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Commit | Line | Data |
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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 | ||
6405ab7a SG |
18 | config 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 | ||
6ef2f901 AF |
28 | config 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 | ||
3c10dc95 SG |
35 | config BINMAN_FDT |
36 | bool "Allow access to binman information in the device tree" | |
56e7257c | 37 | depends on BINMAN && DM && OF_CONTROL |
1621d3c4 | 38 | default y if OF_SEPARATE || OF_EMBED |
3c10dc95 SG |
39 | 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 | ||
b0928da6 MY |
45 | config 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 | ||
1a46cb6c SG |
53 | config CHARSET |
54 | bool | |
726cd983 | 55 | default y if UT_UNICODE || EFI_LOADER || UFS || EFI_APP |
1a46cb6c SG |
56 | help |
57 | Enables support for various conversions between different | |
58 | character sets, such as between unicode representations and | |
59 | different 'code pages'. | |
60 | ||
36c1877c FA |
61 | config 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 | ||
2895c4b7 BM |
67 | config 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 | ||
45ccec8f MY |
73 | config HAVE_PRIVATE_LIBGCC |
74 | bool | |
75 | ||
a451bc27 AF |
76 | config LIB_UUID |
77 | bool | |
78 | ||
14ad44ab AK |
79 | config PRINTF |
80 | bool | |
81 | default y | |
82 | ||
83 | config SPL_PRINTF | |
84 | bool | |
85 | select SPL_SPRINTF | |
27084c03 | 86 | select SPL_STRTO if !SPL_USE_TINY_PRINTF |
14ad44ab AK |
87 | |
88 | config TPL_PRINTF | |
89 | bool | |
90 | select TPL_SPRINTF | |
27084c03 | 91 | select TPL_STRTO if !TPL_USE_TINY_PRINTF |
14ad44ab | 92 | |
747093dd SG |
93 | config VPL_PRINTF |
94 | bool | |
95 | select VPL_SPRINTF | |
96 | select VPL_STRTO if !VPL_USE_TINY_PRINTF | |
97 | ||
14ad44ab AK |
98 | config SPRINTF |
99 | bool | |
100 | default y | |
101 | ||
102 | config SPL_SPRINTF | |
103 | bool | |
104 | ||
105 | config TPL_SPRINTF | |
106 | bool | |
107 | ||
747093dd SG |
108 | config VPL_SPRINTF |
109 | bool | |
110 | ||
e87dfb05 AA |
111 | config SSCANF |
112 | bool | |
e87dfb05 | 113 | |
14ad44ab AK |
114 | config STRTO |
115 | bool | |
116 | default y | |
117 | ||
118 | config SPL_STRTO | |
119 | bool | |
120 | ||
121 | config TPL_STRTO | |
122 | bool | |
123 | ||
747093dd SG |
124 | config VPL_STRTO |
125 | bool | |
126 | ||
c232d14d AK |
127 | config IMAGE_SPARSE |
128 | bool | |
129 | ||
130 | config IMAGE_SPARSE_FILLBUF_SIZE | |
131 | hex "Android sparse image CHUNK_TYPE_FILL buffer size" | |
132 | default 0x80000 | |
133 | depends on IMAGE_SPARSE | |
134 | help | |
135 | Set the size of the fill buffer used when processing CHUNK_TYPE_FILL | |
136 | chunks. | |
137 | ||
45ccec8f MY |
138 | config USE_PRIVATE_LIBGCC |
139 | bool "Use private libgcc" | |
140 | depends on HAVE_PRIVATE_LIBGCC | |
91b86e21 | 141 | default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS) |
45ccec8f MY |
142 | help |
143 | This option allows you to use the built-in libgcc implementation | |
67976306 | 144 | of U-Boot instead of the one provided by the compiler. |
45ccec8f MY |
145 | If unsure, say N. |
146 | ||
8c688bc4 MY |
147 | config SYS_HZ |
148 | int | |
149 | default 1000 | |
150 | help | |
151 | The frequency of the timer returned by get_timer(). | |
152 | get_timer() must operate in milliseconds and this option must be | |
153 | set to 1000. | |
154 | ||
27084c03 | 155 | config SPL_USE_TINY_PRINTF |
37ef1774 | 156 | bool "Enable tiny printf() version in SPL" |
27084c03 | 157 | depends on SPL |
2a51e16b | 158 | default y |
7d9cde10 SR |
159 | help |
160 | This option enables a tiny, stripped down printf version. | |
161 | This should only be used in space limited environments, | |
162 | like SPL versions with hard memory limits. This version | |
163 | reduces the code size by about 2.5KiB on armv7. | |
164 | ||
165 | The supported format specifiers are %c, %s, %u/%d and %x. | |
166 | ||
27084c03 | 167 | config TPL_USE_TINY_PRINTF |
37ef1774 | 168 | bool "Enable tiny printf() version in TPL" |
27084c03 SG |
169 | depends on TPL |
170 | default y if SPL_USE_TINY_PRINTF | |
171 | help | |
172 | This option enables a tiny, stripped down printf version. | |
173 | This should only be used in space limited environments, | |
174 | like SPL versions with hard memory limits. This version | |
175 | reduces the code size by about 2.5KiB on armv7. | |
176 | ||
177 | The supported format specifiers are %c, %s, %u/%d and %x. | |
178 | ||
747093dd SG |
179 | config VPL_USE_TINY_PRINTF |
180 | bool "Enable tiny printf() version for VPL" | |
181 | depends on VPL | |
182 | help | |
183 | This option enables a tiny, stripped down printf version. | |
184 | This should only be used in space limited environments, | |
185 | like SPL versions with hard memory limits. This version | |
186 | reduces the code size by about 2.5KiB on armv7. | |
187 | ||
188 | The supported format specifiers are %c, %s, %u/%d and %x. | |
189 | ||
7e3caa81 MY |
190 | config PANIC_HANG |
191 | bool "Do not reset the system on fatal error" | |
192 | help | |
193 | Define this option to stop the system in case of a fatal error, | |
194 | so that you have to reset it manually. This is probably NOT a good | |
195 | idea for an embedded system where you want the system to reboot | |
196 | automatically as fast as possible, but it may be useful during | |
197 | development since you can try to debug the conditions that lead to | |
198 | the situation. | |
199 | ||
1a60650c JH |
200 | config REGEX |
201 | bool "Enable regular expression support" | |
f7848d90 | 202 | default y if NET |
1a60650c JH |
203 | help |
204 | If this variable is defined, U-Boot is linked against the | |
205 | SLRE (Super Light Regular Expression) library, which adds | |
206 | regex support to some commands, for example "env grep" and | |
207 | "setexpr". | |
208 | ||
a5a37567 AF |
209 | choice |
210 | prompt "Pseudo-random library support type" | |
1611235b | 211 | depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID || \ |
28cef9ca | 212 | RNG_SANDBOX || UT_LIB && AES || FAT_WRITE |
a5a37567 | 213 | default LIB_RAND |
3850dbe8 | 214 | help |
a5a37567 AF |
215 | Select the library to provide pseudo-random number generator |
216 | functions. LIB_HW_RAND supports certain hardware engines that | |
217 | provide this functionality. If in doubt, select LIB_RAND. | |
218 | ||
219 | config LIB_RAND | |
220 | bool "Pseudo-random library support" | |
221 | ||
222 | config LIB_HW_RAND | |
43e442a5 | 223 | bool "HW Engine for random library support" |
a5a37567 AF |
224 | |
225 | endchoice | |
9ba9e85f | 226 | |
e1722fcb SG |
227 | config SUPPORT_ACPI |
228 | bool | |
229 | help | |
230 | Enable this if your arch or board can support generating ACPI | |
231 | (Advanced Configuration and Power Interface) tables. In this case | |
232 | U-Boot can generate these tables and pass them to the Operating | |
233 | System. | |
234 | ||
235 | config GENERATE_ACPI_TABLE | |
236 | bool "Generate an ACPI (Advanced Configuration and Power Interface) table" | |
237 | depends on SUPPORT_ACPI | |
238 | select QFW if QEMU | |
239 | help | |
240 | The Advanced Configuration and Power Interface (ACPI) specification | |
241 | provides an open standard for device configuration and management | |
242 | by the operating system. It defines platform-independent interfaces | |
243 | for configuration and power management monitoring. | |
244 | ||
ab4458bd SG |
245 | config SPL_TINY_MEMSET |
246 | bool "Use a very small memset() in SPL" | |
247 | help | |
248 | The faster memset() is the arch-specific one (if available) enabled | |
249 | by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get | |
250 | better performance by writing a word at a time. But in very | |
6e705114 | 251 | size-constrained environments even this may be too big. Enable this |
ab4458bd SG |
252 | option to reduce code size slightly at the cost of some speed. |
253 | ||
96b9082c PT |
254 | config TPL_TINY_MEMSET |
255 | bool "Use a very small memset() in TPL" | |
256 | help | |
257 | The faster memset() is the arch-specific one (if available) enabled | |
258 | by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get | |
259 | better performance by writing a word at a time. But in very | |
6e705114 | 260 | size-constrained environments even this may be too big. Enable this |
96b9082c PT |
261 | option to reduce code size slightly at the cost of some speed. |
262 | ||
aa049152 BB |
263 | config RBTREE |
264 | bool | |
265 | ||
da5337a6 NH |
266 | config BITREVERSE |
267 | bool "Bit reverse library from Linux" | |
268 | ||
a24a78d7 SG |
269 | config TRACE |
270 | bool "Support for tracing of function calls and timing" | |
271 | imply CMD_TRACE | |
a80f8513 | 272 | select TIMER_EARLY |
a24a78d7 SG |
273 | help |
274 | Enables function tracing within U-Boot. This allows recording of call | |
275 | traces including timing information. The command can write data to | |
276 | memory for exporting for analysis (e.g. using bootchart). | |
277 | See doc/README.trace for full details. | |
278 | ||
1c6eb075 SG |
279 | config TRACE_BUFFER_SIZE |
280 | hex "Size of trace buffer in U-Boot" | |
281 | depends on TRACE | |
282 | default 0x01000000 | |
283 | help | |
284 | Sets the size of the trace buffer in U-Boot. This is allocated from | |
285 | memory during relocation. If this buffer is too small, the trace | |
286 | history will be truncated, with later records omitted. | |
287 | ||
288 | If early trace is enabled (i.e. before relocation), this buffer must | |
289 | be large enough to include all the data from the early trace buffer as | |
290 | well, since this is copied over to the main buffer during relocation. | |
291 | ||
292 | A trace record is emitted for each function call and each record is | |
293 | 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If | |
294 | the size is too small then 'trace stats' will show a message saying | |
295 | how many records were dropped due to buffer overflow. | |
296 | ||
da0fb5fd HS |
297 | config TRACE_CALL_DEPTH_LIMIT |
298 | int "Trace call depth limit" | |
299 | depends on TRACE | |
300 | default 15 | |
301 | help | |
302 | Sets the maximum call depth up to which function calls are recorded. | |
303 | ||
1c6eb075 SG |
304 | config TRACE_EARLY |
305 | bool "Enable tracing before relocation" | |
306 | depends on TRACE | |
307 | help | |
308 | Sometimes it is helpful to trace execution of U-Boot before | |
309 | relocation. This is possible by using a arch-specific, fixed buffer | |
310 | position in memory. Enable this option to start tracing as early as | |
311 | possible after U-Boot starts. | |
312 | ||
313 | config TRACE_EARLY_SIZE | |
314 | hex "Size of early trace buffer in U-Boot" | |
315 | depends on TRACE_EARLY | |
316 | default 0x00100000 | |
317 | help | |
318 | Sets the size of the early trace buffer in bytes. This is used to hold | |
319 | tracing information before relocation. | |
320 | ||
da0fb5fd HS |
321 | config TRACE_EARLY_CALL_DEPTH_LIMIT |
322 | int "Early trace call depth limit" | |
323 | depends on TRACE_EARLY | |
324 | default 200 | |
325 | help | |
326 | Sets the maximum call depth up to which function calls are recorded | |
327 | during early tracing. | |
328 | ||
1c6eb075 SG |
329 | config TRACE_EARLY_ADDR |
330 | hex "Address of early trace buffer in U-Boot" | |
331 | depends on TRACE_EARLY | |
332 | default 0x00100000 | |
333 | help | |
334 | Sets the address of the early trace buffer in U-Boot. This memory | |
335 | must be accessible before relocation. | |
336 | ||
337 | A trace record is emitted for each function call and each record is | |
338 | 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If | |
339 | the size is too small then the message which says the amount of early | |
340 | data being coped will the the same as the | |
341 | ||
334a9b9d LP |
342 | config CIRCBUF |
343 | bool "Enable circular buffer support" | |
344 | ||
d1389403 SG |
345 | source lib/dhry/Kconfig |
346 | ||
b1a873df SG |
347 | menu "Security support" |
348 | ||
349 | config AES | |
350 | bool "Support the AES algorithm" | |
351 | help | |
352 | This provides a means to encrypt and decrypt data using the AES | |
353 | (Advanced Encryption Standard). This algorithm uses a symetric key | |
354 | and is widely used as a streaming cipher. Different key lengths are | |
355 | supported by the algorithm but only a 128-bit key is supported at | |
356 | present. | |
357 | ||
928a8be7 | 358 | source lib/ecdsa/Kconfig |
d9f23c7f | 359 | source lib/rsa/Kconfig |
b4adf627 | 360 | source lib/crypto/Kconfig |
26dd9936 | 361 | source lib/crypt/Kconfig |
c4beb22f | 362 | |
a7d660bc SG |
363 | config TPM |
364 | bool "Trusted Platform Module (TPM) Support" | |
2419cd16 | 365 | depends on DM |
a7d660bc SG |
366 | help |
367 | This enables support for TPMs which can be used to provide security | |
368 | features for your board. The TPM can be connected via LPC or I2C | |
369 | and a sandbox TPM is provided for testing purposes. Use the 'tpm' | |
370 | command to interactive the TPM. Driver model support is provided | |
371 | for the low-level TPM interface, but only one TPM is supported at | |
372 | a time by the TPM library. | |
373 | ||
6307896c SG |
374 | config SPL_TPM |
375 | bool "Trusted Platform Module (TPM) Support in SPL" | |
376 | depends on SPL_DM | |
377 | help | |
378 | This enables support for TPMs which can be used to provide security | |
379 | features for your board. The TPM can be connected via LPC or I2C | |
380 | and a sandbox TPM is provided for testing purposes. Use the 'tpm' | |
381 | command to interactive the TPM. Driver model support is provided | |
382 | for the low-level TPM interface, but only one TPM is supported at | |
383 | a time by the TPM library. | |
384 | ||
385 | config TPL_TPM | |
386 | bool "Trusted Platform Module (TPM) Support in TPL" | |
387 | depends on TPL_DM | |
388 | help | |
389 | This enables support for TPMs which can be used to provide security | |
390 | features for your board. The TPM can be connected via LPC or I2C | |
391 | and a sandbox TPM is provided for testing purposes. Use the 'tpm' | |
392 | command to interactive the TPM. Driver model support is provided | |
393 | for the low-level TPM interface, but only one TPM is supported at | |
394 | a time by the TPM library. | |
395 | ||
747093dd SG |
396 | config VPL_TPM |
397 | bool "Trusted Platform Module (TPM) Support in VPL" | |
398 | depends on VPL_DM | |
399 | help | |
400 | This enables support for TPMs which can be used to provide security | |
401 | features for your board. The TPM can be connected via LPC or I2C | |
402 | and a sandbox TPM is provided for testing purposes. Use the 'tpm' | |
403 | command to interactive the TPM. Driver model support is provided | |
404 | for the low-level TPM interface, but only one TPM is supported at | |
405 | a time by the TPM library. | |
406 | ||
b1a873df SG |
407 | endmenu |
408 | ||
3330584d IO |
409 | menu "Android Verified Boot" |
410 | ||
411 | config LIBAVB | |
412 | bool "Android Verified Boot 2.0 support" | |
413 | depends on ANDROID_BOOT_IMAGE | |
3330584d IO |
414 | help |
415 | This enables support of Android Verified Boot 2.0 which can be used | |
416 | to assure the end user of the integrity of the software running on a | |
417 | device. Introduces such features as boot chain of trust, rollback | |
418 | protection etc. | |
419 | ||
420 | endmenu | |
421 | ||
94e3c8c4 | 422 | menu "Hashing Support" |
423 | ||
7c3fd5c2 QW |
424 | config BLAKE2 |
425 | bool "Enable BLAKE2 support" | |
426 | help | |
427 | This option enables support of hashing using BLAKE2B algorithm. | |
428 | The hash is calculated in software. | |
429 | The BLAKE2 algorithm produces a hash value (digest) between 1 and | |
430 | 64 bytes. | |
431 | ||
94e3c8c4 | 432 | config SHA1 |
433 | bool "Enable SHA1 support" | |
434 | help | |
435 | This option enables support of hashing using SHA1 algorithm. | |
436 | The hash is calculated in software. | |
437 | The SHA1 algorithm produces a 160-bit (20-byte) hash value | |
438 | (digest). | |
439 | ||
440 | config SHA256 | |
441 | bool "Enable SHA256 support" | |
442 | help | |
443 | This option enables support of hashing using SHA256 algorithm. | |
444 | The hash is calculated in software. | |
445 | The SHA256 algorithm produces a 256-bit (32-byte) hash value | |
446 | (digest). | |
447 | ||
d16b38f4 RD |
448 | config SHA512 |
449 | bool "Enable SHA512 support" | |
d16b38f4 RD |
450 | help |
451 | This option enables support of hashing using SHA512 algorithm. | |
452 | The hash is calculated in software. | |
453 | The SHA512 algorithm produces a 512-bit (64-byte) hash value | |
454 | (digest). | |
455 | ||
456 | config SHA384 | |
457 | bool "Enable SHA384 support" | |
e60e4499 | 458 | select SHA512 |
d16b38f4 RD |
459 | help |
460 | This option enables support of hashing using SHA384 algorithm. | |
e60e4499 AG |
461 | The hash is calculated in software. This is also selects SHA512, |
462 | because these implementations share the bulk of the code.. | |
d16b38f4 RD |
463 | The SHA384 algorithm produces a 384-bit (48-byte) hash value |
464 | (digest). | |
465 | ||
94e3c8c4 | 466 | config SHA_HW_ACCEL |
e2ae483c | 467 | bool "Enable hardware acceleration for SHA hash functions" |
94e3c8c4 | 468 | help |
e2ae483c HS |
469 | This option enables hardware acceleration for the SHA1 and SHA256 |
470 | hashing algorithms. This affects the 'hash' command and also the | |
471 | hash_lookup_algo() function. | |
472 | ||
603d15a5 SG |
473 | if SPL |
474 | ||
475 | config SPL_SHA1 | |
476 | bool "Enable SHA1 support in SPL" | |
477 | default y if SHA1 | |
478 | help | |
479 | This option enables support of hashing using SHA1 algorithm. | |
480 | The hash is calculated in software. | |
481 | The SHA1 algorithm produces a 160-bit (20-byte) hash value | |
482 | (digest). | |
483 | ||
484 | config SPL_SHA256 | |
485 | bool "Enable SHA256 support in SPL" | |
486 | default y if SHA256 | |
487 | help | |
488 | This option enables support of hashing using SHA256 algorithm. | |
489 | The hash is calculated in software. | |
490 | The SHA256 algorithm produces a 256-bit (32-byte) hash value | |
491 | (digest). | |
492 | ||
493 | config SPL_SHA512 | |
494 | bool "Enable SHA512 support in SPL" | |
495 | default y if SHA512 | |
496 | help | |
497 | This option enables support of hashing using SHA512 algorithm. | |
498 | The hash is calculated in software. | |
499 | The SHA512 algorithm produces a 512-bit (64-byte) hash value | |
500 | (digest). | |
501 | ||
502 | config SPL_SHA384 | |
503 | bool "Enable SHA384 support in SPL" | |
504 | default y if SHA384 | |
505 | select SPL_SHA512 | |
506 | help | |
507 | This option enables support of hashing using SHA384 algorithm. | |
508 | The hash is calculated in software. This is also selects SHA512, | |
509 | because these implementations share the bulk of the code.. | |
510 | The SHA384 algorithm produces a 384-bit (48-byte) hash value | |
511 | (digest). | |
512 | ||
2c21256b SG |
513 | config SPL_SHA_HW_ACCEL |
514 | bool "Enable hardware acceleration for SHA hash functions" | |
515 | default y if SHA_HW_ACCEL | |
516 | help | |
517 | This option enables hardware acceleration for the SHA1 and SHA256 | |
518 | hashing algorithms. This affects the 'hash' command and also the | |
519 | hash_lookup_algo() function. | |
520 | ||
521 | config SPL_SHA_PROG_HW_ACCEL | |
522 | bool "Enable Progressive hashing support using hardware in SPL" | |
523 | depends on SHA_PROG_HW_ACCEL | |
524 | default y | |
525 | help | |
526 | This option enables hardware-acceleration for SHA progressive | |
527 | hashing. | |
528 | Data can be streamed in a block at a time and the hashing is | |
529 | performed in hardware. | |
530 | ||
603d15a5 SG |
531 | endif |
532 | ||
e2ae483c HS |
533 | if SHA_HW_ACCEL |
534 | ||
535 | config SHA512_HW_ACCEL | |
536 | bool "Enable hardware acceleration for SHA512" | |
e60e4499 | 537 | depends on SHA512 |
e2ae483c HS |
538 | help |
539 | This option enables hardware acceleration for the SHA384 and SHA512 | |
540 | hashing algorithms. This affects the 'hash' command and also the | |
541 | hash_lookup_algo() function. | |
94e3c8c4 | 542 | |
543 | config SHA_PROG_HW_ACCEL | |
544 | bool "Enable Progressive hashing support using hardware" | |
94e3c8c4 | 545 | help |
a479f103 JS |
546 | This option enables hardware-acceleration for SHA progressive |
547 | hashing. | |
548 | Data can be streamed in a block at a time and the hashing is | |
549 | performed in hardware. | |
bea79d7d | 550 | |
e2ae483c HS |
551 | endif |
552 | ||
bea79d7d | 553 | config MD5 |
8239be61 SG |
554 | bool "Support MD5 algorithm" |
555 | help | |
556 | This option enables MD5 support. MD5 is an algorithm designed | |
557 | in 1991 that produces a 16-byte digest (or checksum) from its input | |
558 | data. It has a number of vulnerabilities which preclude its use in | |
559 | security applications, but it can be useful for providing a quick | |
560 | checksum of a block of data. | |
561 | ||
562 | config SPL_MD5 | |
563 | bool "Support MD5 algorithm in SPL" | |
564 | help | |
565 | This option enables MD5 support in SPL. MD5 is an algorithm designed | |
566 | in 1991 that produces a 16-byte digest (or checksum) from its input | |
567 | data. It has a number of vulnerabilities which preclude its use in | |
568 | security applications, but it can be useful for providing a quick | |
569 | checksum of a block of data. | |
bea79d7d | 570 | |
e7d285b2 SG |
571 | config CRC32 |
572 | def_bool y | |
573 | help | |
574 | Enables CRC32 support in U-Boot. This is normally required. | |
575 | ||
85d8bf57 MB |
576 | config CRC32C |
577 | bool | |
578 | ||
83a486b6 MB |
579 | config XXHASH |
580 | bool | |
581 | ||
94e3c8c4 | 582 | endmenu |
583 | ||
027b728d JW |
584 | menu "Compression Support" |
585 | ||
586 | config LZ4 | |
587 | bool "Enable LZ4 decompression support" | |
588 | help | |
589 | If this option is set, support for LZ4 compressed images | |
590 | is included. The LZ4 algorithm can run in-place as long as the | |
591 | compressed image is loaded to the end of the output buffer, and | |
592 | trades lower compression ratios for much faster decompression. | |
4fa0150d | 593 | |
027b728d JW |
594 | NOTE: This implements the release version of the LZ4 frame |
595 | format as generated by default by the 'lz4' command line tool. | |
596 | This is not the same as the outdated, less efficient legacy | |
597 | frame format currently (2015) implemented in the Linux kernel | |
598 | (generated by 'lz4 -l'). The two formats are incompatible. | |
599 | ||
aed998aa SG |
600 | config LZMA |
601 | bool "Enable LZMA decompression support" | |
602 | help | |
603 | This enables support for LZMA (Lempel-Ziv-Markov chain algorithm), | |
604 | a dictionary compression algorithm that provides a high compression | |
605 | ratio and fairly fast decompression speed. See also | |
606 | CONFIG_CMD_LZMADEC which provides a decode command. | |
607 | ||
173aafbf | 608 | config LZO |
d56b4b19 TR |
609 | bool "Enable LZO decompression support" |
610 | help | |
5145bc73 | 611 | This enables support for the LZO compression algorithm. |
7264f292 | 612 | |
95f4bbd5 | 613 | config GZIP |
5132361a | 614 | bool "Enable gzip decompression support" |
95f4bbd5 MV |
615 | select ZLIB |
616 | default y | |
617 | help | |
618 | This enables support for GZIP compression algorithm. | |
2a2119e1 | 619 | |
81014f73 JMC |
620 | config ZLIB_UNCOMPRESS |
621 | bool "Enables zlib's uncompress() functionality" | |
622 | help | |
623 | This enables an extra zlib functionality: the uncompress() function, | |
624 | which decompresses data from a buffer into another, knowing their | |
625 | sizes. Unlike gunzip(), there is no header parsing. | |
626 | ||
eff5a547 MW |
627 | config GZIP_COMPRESSED |
628 | bool | |
629 | select ZLIB | |
630 | ||
2a2119e1 AP |
631 | config BZIP2 |
632 | bool "Enable bzip2 decompression support" | |
633 | help | |
634 | This enables support for BZIP2 compression algorithm. | |
95f4bbd5 MV |
635 | |
636 | config ZLIB | |
637 | bool | |
638 | default y | |
639 | help | |
640 | This enables ZLIB compression lib. | |
641 | ||
8509f22a MB |
642 | config ZSTD |
643 | bool "Enable Zstandard decompression support" | |
644 | select XXHASH | |
645 | help | |
646 | This enables Zstandard decompression library. | |
647 | ||
048c6e89 SG |
648 | config SPL_LZ4 |
649 | bool "Enable LZ4 decompression support in SPL" | |
650 | help | |
43e442a5 | 651 | This enables support for the LZ4 decompression algorithm in SPL. LZ4 |
048c6e89 SG |
652 | is a lossless data compression algorithm that is focused on |
653 | fast compression and decompression speed. It belongs to the LZ77 | |
654 | family of byte-oriented compression schemes. | |
655 | ||
04cb3994 WG |
656 | config SPL_LZMA |
657 | bool "Enable LZMA decompression support for SPL build" | |
658 | help | |
43e442a5 | 659 | This enables support for LZMA compression algorithm for SPL boot. |
04cb3994 | 660 | |
747093dd SG |
661 | config VPL_LZMA |
662 | bool "Enable LZMA decompression support for VPL build" | |
663 | default y if LZMA | |
664 | help | |
665 | This enables support for LZMA compression algorithm for VPL boot. | |
666 | ||
f52bdf4b JJH |
667 | config SPL_LZO |
668 | bool "Enable LZO decompression support in SPL" | |
669 | help | |
670 | This enables support for LZO compression algorithm in the SPL. | |
671 | ||
7264f292 YS |
672 | config SPL_GZIP |
673 | bool "Enable gzip decompression support for SPL build" | |
674 | select SPL_ZLIB | |
675 | help | |
5145bc73 | 676 | This enables support for the GZIP compression algorithm for SPL boot. |
7264f292 YS |
677 | |
678 | config SPL_ZLIB | |
679 | bool | |
680 | help | |
681 | This enables compression lib for SPL boot. | |
682 | ||
8509f22a MB |
683 | config SPL_ZSTD |
684 | bool "Enable Zstandard decompression support in SPL" | |
685 | select XXHASH | |
686 | help | |
687 | This enables Zstandard decompression library in the SPL. | |
688 | ||
027b728d JW |
689 | endmenu |
690 | ||
6501ff62 PM |
691 | config ERRNO_STR |
692 | bool "Enable function for getting errno-related string message" | |
693 | help | |
694 | The function errno_str(int errno), returns a pointer to the errno | |
695 | corresponding text message: | |
696 | - if errno is null or positive number - a pointer to "Success" message | |
697 | - if errno is negative - a pointer to errno related message | |
698 | ||
f8c987f8 AB |
699 | config HEXDUMP |
700 | bool "Enable hexdump" | |
701 | help | |
702 | This enables functions for printing dumps of binary data. | |
703 | ||
26637e2e SG |
704 | config SPL_HEXDUMP |
705 | bool "Enable hexdump in SPL" | |
fa3f1f1d | 706 | depends on SPL && HEXDUMP |
26637e2e SG |
707 | help |
708 | This enables functions for printing dumps of binary data in | |
709 | SPL. | |
710 | ||
72eda507 SA |
711 | config GETOPT |
712 | bool "Enable getopt" | |
713 | help | |
714 | This enables functions for parsing command-line options. | |
715 | ||
69e173eb SG |
716 | config OF_LIBFDT |
717 | bool "Enable the FDT library" | |
718 | default y if OF_CONTROL | |
719 | help | |
720 | This enables the FDT library (libfdt). It provides functions for | |
721 | accessing binary device tree images in memory, such as adding and | |
f1a7ba1d | 722 | removing nodes and properties, scanning through the tree and finding |
69e173eb SG |
723 | particular compatible nodes. The library operates on a flattened |
724 | version of the device tree. | |
725 | ||
0d76afc0 SG |
726 | config OF_LIBFDT_ASSUME_MASK |
727 | hex "Mask of conditions to assume for libfdt" | |
728 | depends on OF_LIBFDT || FIT | |
729 | default 0 | |
730 | help | |
731 | Use this to change the assumptions made by libfdt about the | |
732 | device tree it is working with. A value of 0 means that no assumptions | |
733 | are made, and libfdt is able to deal with malicious data. A value of | |
734 | 0xff means all assumptions are made and any invalid data may cause | |
735 | unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h | |
736 | ||
ddf67f71 MR |
737 | config OF_LIBFDT_OVERLAY |
738 | bool "Enable the FDT library overlay support" | |
6417572e | 739 | depends on OF_LIBFDT |
58a46f88 | 740 | default y if ARCH_OMAP2PLUS || ARCH_KEYSTONE |
ddf67f71 MR |
741 | help |
742 | This enables the FDT library (libfdt) overlay support. | |
743 | ||
aa34fbc0 SG |
744 | config SPL_OF_LIBFDT |
745 | bool "Enable the FDT library for SPL" | |
747093dd | 746 | depends on SPL_LIBGENERIC_SUPPORT |
aa34fbc0 SG |
747 | default y if SPL_OF_CONTROL |
748 | help | |
749 | This enables the FDT library (libfdt). It provides functions for | |
750 | accessing binary device tree images in memory, such as adding and | |
f1a7ba1d | 751 | removing nodes and properties, scanning through the tree and finding |
aa34fbc0 SG |
752 | particular compatible nodes. The library operates on a flattened |
753 | version of the device tree. | |
754 | ||
0d76afc0 SG |
755 | config SPL_OF_LIBFDT_ASSUME_MASK |
756 | hex "Mask of conditions to assume for libfdt" | |
757 | depends on SPL_OF_LIBFDT || FIT | |
758 | default 0xff | |
759 | help | |
760 | Use this to change the assumptions made by libfdt in SPL about the | |
761 | device tree it is working with. A value of 0 means that no assumptions | |
762 | are made, and libfdt is able to deal with malicious data. A value of | |
763 | 0xff means all assumptions are made and any invalid data may cause | |
764 | unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h | |
765 | ||
5592a633 SG |
766 | config TPL_OF_LIBFDT |
767 | bool "Enable the FDT library for TPL" | |
747093dd | 768 | depends on TPL_LIBGENERIC_SUPPORT |
5592a633 SG |
769 | default y if TPL_OF_CONTROL |
770 | help | |
771 | This enables the FDT library (libfdt). It provides functions for | |
772 | accessing binary device tree images in memory, such as adding and | |
773 | removing nodes and properties, scanning through the tree and finding | |
774 | particular compatible nodes. The library operates on a flattened | |
775 | version of the device tree. | |
776 | ||
0d76afc0 SG |
777 | config TPL_OF_LIBFDT_ASSUME_MASK |
778 | hex "Mask of conditions to assume for libfdt" | |
779 | depends on TPL_OF_LIBFDT || FIT | |
780 | default 0xff | |
781 | help | |
782 | Use this to change the assumptions made by libfdt in TPL about the | |
783 | device tree it is working with. A value of 0 means that no assumptions | |
784 | are made, and libfdt is able to deal with malicious data. A value of | |
785 | 0xff means all assumptions are made and any invalid data may cause | |
786 | unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h | |
787 | ||
747093dd SG |
788 | config VPL_OF_LIBFDT |
789 | bool "Enable the FDT library for VPL" | |
790 | default y if VPL_OF_CONTROL && !VPL_OF_PLATDATA | |
791 | help | |
792 | This enables the FDT library (libfdt). It provides functions for | |
793 | accessing binary device tree images in memory, such as adding and | |
794 | removing nodes and properties, scanning through the tree and finding | |
795 | particular compatible nodes. The library operates on a flattened | |
796 | version of the device tree. | |
797 | ||
798 | config VPL_OF_LIBFDT_ASSUME_MASK | |
799 | hex "Mask of conditions to assume for libfdt" | |
800 | depends on VPL_OF_LIBFDT || FIT | |
801 | default 0xff | |
802 | help | |
803 | Use this to change the assumptions made by libfdt in SPL about the | |
804 | device tree it is working with. A value of 0 means that no assumptions | |
805 | are made, and libfdt is able to deal with malicious data. A value of | |
806 | 0xff means all assumptions are made and any invalid data may cause | |
807 | unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h | |
808 | ||
ebf7fff2 HS |
809 | config FDT_FIXUP_PARTITIONS |
810 | bool "overwrite MTD partitions in DTS through defined in 'mtdparts'" | |
811 | depends on OF_LIBFDT | |
ab948cd2 | 812 | depends on CMD_MTDPARTS |
ebf7fff2 HS |
813 | help |
814 | Allow overwriting defined partitions in the device tree blob | |
815 | using partition info defined in the 'mtdparts' environment | |
816 | variable. | |
817 | ||
4b6dddc2 | 818 | menu "System tables" |
e663b350 | 819 | depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER) |
4b6dddc2 | 820 | |
d2cb7a22 SG |
821 | config BLOBLIST_TABLES |
822 | bool "Put tables in a bloblist" | |
f2c1442e | 823 | depends on X86 && BLOBLIST |
d2cb7a22 SG |
824 | help |
825 | Normally tables are placed at address 0xf0000 and can be up to 64KB | |
826 | long. With this option, tables are instead placed in the bloblist | |
827 | with a pointer from 0xf0000. The size can then be larger and the | |
828 | tables can be placed high in memory. | |
829 | ||
4b6dddc2 AG |
830 | config GENERATE_SMBIOS_TABLE |
831 | bool "Generate an SMBIOS (System Management BIOS) table" | |
832 | default y | |
e663b350 | 833 | depends on X86 || EFI_LOADER |
4b6dddc2 AG |
834 | help |
835 | The System Management BIOS (SMBIOS) specification addresses how | |
836 | motherboard and system vendors present management information about | |
837 | their products in a standard format by extending the BIOS interface | |
838 | on Intel architecture systems. | |
839 | ||
840 | Check http://www.dmtf.org/standards/smbios for details. | |
841 | ||
44c74bdd SG |
842 | See also SMBIOS_SYSINFO which allows SMBIOS values to be provided in |
843 | the devicetree. | |
844 | ||
7d0f3fbb TK |
845 | config LIB_RATIONAL |
846 | bool "enable continued fraction calculation routines" | |
847 | ||
848 | config SPL_LIB_RATIONAL | |
849 | bool "enable continued fraction calculation routines for SPL" | |
850 | depends on SPL | |
851 | ||
4b6dddc2 AG |
852 | endmenu |
853 | ||
2b12196d AT |
854 | config ASN1_COMPILER |
855 | bool | |
a0e71d96 PR |
856 | help |
857 | ASN.1 (Abstract Syntax Notation One) is a standard interface | |
858 | description language for defining data structures that can be | |
859 | serialized and deserialized in a cross-platform way. It is | |
860 | broadly used in telecommunications and computer networking, | |
861 | and especially in cryptography (https://en.wikipedia.org/wiki/ASN.1). | |
862 | This option enables the support of the asn1 compiler. | |
2b12196d | 863 | |
ab8a0e06 AT |
864 | config ASN1_DECODER |
865 | bool | |
866 | help | |
a0e71d96 PR |
867 | ASN.1 (Abstract Syntax Notation One) is a standard interface |
868 | description language for defining data structures that can be | |
869 | serialized and deserialized in a cross-platform way. It is | |
870 | broadly used in telecommunications and computer networking, | |
871 | and especially in cryptography (https://en.wikipedia.org/wiki/ASN.1). | |
872 | This option enables the support of the asn1 decoder. | |
ab8a0e06 | 873 | |
fd210fee PR |
874 | config SPL_ASN1_DECODER |
875 | bool | |
876 | help | |
877 | ASN.1 (Abstract Syntax Notation One) is a standard interface | |
878 | description language for defining data structures that can be | |
879 | serialized and deserialized in a cross-platform way. It is | |
880 | broadly used in telecommunications and computer networking, | |
881 | and especially in cryptography (https://en.wikipedia.org/wiki/ASN.1). | |
882 | This option enables the support of the asn1 decoder in the SPL. | |
883 | ||
a9b45e6e AT |
884 | config OID_REGISTRY |
885 | bool | |
886 | help | |
7d44a985 PR |
887 | In computing, object identifiers or OIDs are an identifier mechanism |
888 | standardized by the International Telecommunication Union (ITU) and | |
889 | ISO/IEC for naming any object, concept, or "thing" with a globally | |
890 | unambiguous persistent name (https://en.wikipedia.org/wiki/Object_identifier). | |
a9b45e6e AT |
891 | Enable fast lookup object identifier registry. |
892 | ||
fd210fee PR |
893 | config SPL_OID_REGISTRY |
894 | bool | |
895 | help | |
896 | In computing, object identifiers or OIDs are an identifier mechanism | |
897 | standardized by the International Telecommunication Union (ITU) and | |
898 | ISO/IEC for naming any object, concept, or "thing" with a globally | |
899 | unambiguous persistent name (https://en.wikipedia.org/wiki/Object_identifier). | |
900 | Enable fast lookup object identifier registry in the SPL. | |
901 | ||
415eab06 CG |
902 | config SMBIOS_PARSER |
903 | bool "SMBIOS parser" | |
904 | help | |
905 | A simple parser for SMBIOS data. | |
906 | ||
867a6ac8 | 907 | source lib/efi/Kconfig |
ed980b8c | 908 | source lib/efi_loader/Kconfig |
32ce6179 | 909 | source lib/optee/Kconfig |
867a6ac8 | 910 | |
54969b40 TR |
911 | config TEST_FDTDEC |
912 | bool "enable fdtdec test" | |
913 | depends on OF_LIBFDT | |
914 | ||
05429b6c AT |
915 | config LIB_DATE |
916 | bool | |
917 | ||
805b3cac K |
918 | config LIB_ELF |
919 | bool | |
920 | help | |
6205bbb1 PD |
921 | Support basic elf loading/validating functions. |
922 | This supports for 32 bit and 64 bit versions. | |
805b3cac | 923 | |
77b8cfef PD |
924 | config LMB |
925 | bool "Enable the logical memory blocks library (lmb)" | |
11232139 | 926 | default y if ARC || ARM || M68K || MICROBLAZE || MIPS || \ |
77b8cfef PD |
927 | NIOS2 || PPC || RISCV || SANDBOX || SH || X86 || XTENSA |
928 | help | |
929 | Support the library logical memory blocks. | |
930 | ||
6d66502b | 931 | config LMB_USE_MAX_REGIONS |
ac7606af | 932 | bool "Use a common number of memory and reserved regions in lmb lib" |
6d66502b PD |
933 | depends on LMB |
934 | default y | |
935 | help | |
936 | Define the number of supported memory regions in the library logical | |
937 | memory blocks. | |
938 | This feature allow to reduce the lmb library size by using compiler | |
939 | optimization when LMB_MEMORY_REGIONS == LMB_RESERVED_REGIONS. | |
4fa0150d PD |
940 | |
941 | config LMB_MAX_REGIONS | |
942 | int "Number of memory and reserved regions in lmb lib" | |
6d66502b | 943 | depends on LMB && LMB_USE_MAX_REGIONS |
4fa0150d PD |
944 | default 8 |
945 | help | |
946 | Define the number of supported regions, memory and reserved, in the | |
947 | library logical memory blocks. | |
6d66502b PD |
948 | |
949 | config LMB_MEMORY_REGIONS | |
950 | int "Number of memory regions in lmb lib" | |
951 | depends on LMB && !LMB_USE_MAX_REGIONS | |
952 | default 8 | |
953 | help | |
954 | Define the number of supported memory regions in the library logical | |
955 | memory blocks. | |
956 | The minimal value is CONFIG_NR_DRAM_BANKS. | |
957 | ||
958 | config LMB_RESERVED_REGIONS | |
959 | int "Number of reserved regions in lmb lib" | |
960 | depends on LMB && !LMB_USE_MAX_REGIONS | |
961 | default 8 | |
962 | help | |
963 | Define the number of supported reserved regions in the library logical | |
964 | memory blocks. | |
965 | ||
c589132a AG |
966 | config PHANDLE_CHECK_SEQ |
967 | bool "Enable phandle check while getting sequence number" | |
c589132a AG |
968 | help |
969 | When there are multiple device tree nodes with same name, | |
970 | enable this config option to distinguish them using | |
971 | phandles in fdtdec_get_alias_seq() function. | |
97f2a749 EH |
972 | |
973 | endmenu |