1 menu "Library routines"
4 bool "Enable support for non-identity virtual-physical mappings"
6 Enables helper code for implementing non-identity virtual-physical
7 memory mappings for 32bit CPUs.
9 This library only works in the post-relocation phase.
11 config SYS_NUM_ADDR_MAP
12 int "Size of the address-map table"
16 Sets the number of entries in the virtual-physical mapping table.
19 bool "Access to physical memory region (> 4G)"
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
29 bool "Enable Software based BCH ECC"
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.
36 bool "Allow access to binman information in the device tree"
37 depends on BINMAN && DM && OF_CONTROL
38 default y if OF_SEPARATE || OF_EMBED
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
45 config CC_OPTIMIZE_LIBS_FOR_SPEED
46 bool "Optimize libraries for speed"
48 Enabling this option will pass "-O2" to gcc when compiling
49 under "lib" directory.
56 config DYNAMIC_CRC_TABLE
57 bool "Enable Dynamic tables for CRC"
59 Enable this option to calculate entries for CRC tables at runtime.
60 This can be helpful when reducing the size of the build image
62 config HAVE_ARCH_IOMAP
65 Enable this option if architecture provides io{read,write}{8,16,32}
66 I/O accessor functions.
68 config HAVE_PRIVATE_LIBGCC
75 bool "Support semihosting"
76 depends on ARM || RISCV
78 Semihosting is a method for a target to communicate with a host
79 debugger. It uses special instructions which the debugger will trap
80 on and interpret. This allows U-Boot to read/write files, print to
81 the console, and execute arbitrary commands on the host system.
83 Enabling this option will add support for reading and writing files
84 on the host system. If you don't have a debugger attached then trying
85 to do this will likely cause U-Boot to hang. Say 'n' if you are unsure.
87 config SEMIHOSTING_FALLBACK
88 bool "Recover gracefully when semihosting fails"
89 depends on SEMIHOSTING && (ARM64 || RISCV)
92 Normally, if U-Boot makes a semihosting call and no debugger is
93 attached, then it will panic due to a synchronous abort
94 exception. This config adds an exception handler which will allow
95 U-Boot to recover. Say 'y' if unsure.
97 config SPL_SEMIHOSTING
98 bool "Support semihosting in SPL"
99 depends on SPL && (ARM || RISCV)
101 Semihosting is a method for a target to communicate with a host
102 debugger. It uses special instructions which the debugger will trap
103 on and interpret. This allows U-Boot to read/write files, print to
104 the console, and execute arbitrary commands on the host system.
106 Enabling this option will add support for reading and writing files
107 on the host system. If you don't have a debugger attached then trying
108 to do this will likely cause U-Boot to hang. Say 'n' if you are unsure.
110 config SPL_SEMIHOSTING_FALLBACK
111 bool "Recover gracefully when semihosting fails in SPL"
112 depends on SPL_SEMIHOSTING && (ARM64 || RISCV)
113 select ARMV8_SPL_EXCEPTION_VECTORS if ARM64
116 Normally, if U-Boot makes a semihosting call and no debugger is
117 attached, then it will panic due to a synchronous abort
118 exception. This config adds an exception handler which will allow
119 U-Boot to recover. Say 'y' if unsure.
128 select SPL_STRTO if !SPL_USE_TINY_PRINTF
133 select TPL_STRTO if !TPL_USE_TINY_PRINTF
138 select VPL_STRTO if !VPL_USE_TINY_PRINTF
172 config IMAGE_SPARSE_FILLBUF_SIZE
173 hex "Android sparse image CHUNK_TYPE_FILL buffer size"
175 depends on IMAGE_SPARSE
177 Set the size of the fill buffer used when processing CHUNK_TYPE_FILL
180 config USE_PRIVATE_LIBGCC
181 bool "Use private libgcc"
182 depends on HAVE_PRIVATE_LIBGCC
183 default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS)
185 This option allows you to use the built-in libgcc implementation
186 of U-Boot instead of the one provided by the compiler.
193 The frequency of the timer returned by get_timer().
194 get_timer() must operate in milliseconds and this option must be
197 config SPL_USE_TINY_PRINTF
198 bool "Enable tiny printf() version in SPL"
202 This option enables a tiny, stripped down printf version.
203 This should only be used in space limited environments,
204 like SPL versions with hard memory limits. This version
205 reduces the code size by about 2.5KiB on armv7.
207 The supported format specifiers are %c, %s, %u/%d and %x.
209 config TPL_USE_TINY_PRINTF
210 bool "Enable tiny printf() version in TPL"
212 default y if SPL_USE_TINY_PRINTF
214 This option enables a tiny, stripped down printf version.
215 This should only be used in space limited environments,
216 like SPL versions with hard memory limits. This version
217 reduces the code size by about 2.5KiB on armv7.
219 The supported format specifiers are %c, %s, %u/%d and %x.
221 config VPL_USE_TINY_PRINTF
222 bool "Enable tiny printf() version for VPL"
225 This option enables a tiny, stripped down printf version.
226 This should only be used in space limited environments,
227 like SPL versions with hard memory limits. This version
228 reduces the code size by about 2.5KiB on armv7.
230 The supported format specifiers are %c, %s, %u/%d and %x.
233 bool "Do not reset the system on fatal error"
235 Define this option to stop the system in case of a fatal error,
236 so that you have to reset it manually. This is probably NOT a good
237 idea for an embedded system where you want the system to reboot
238 automatically as fast as possible, but it may be useful during
239 development since you can try to debug the conditions that lead to
243 bool "Enable regular expression support"
246 If this variable is defined, U-Boot is linked against the
247 SLRE (Super Light Regular Expression) library, which adds
248 regex support to some commands, for example "env grep" and
252 prompt "Pseudo-random library support type"
253 depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID || \
254 RNG_SANDBOX || UT_LIB && AES || FAT_WRITE
257 Select the library to provide pseudo-random number generator
258 functions. LIB_HW_RAND supports certain hardware engines that
259 provide this functionality. If in doubt, select LIB_RAND.
262 bool "Pseudo-random library support"
265 bool "HW Engine for random library support"
272 Enable this if your arch or board can support generating ACPI
273 (Advanced Configuration and Power Interface) tables. In this case
274 U-Boot can generate these tables and pass them to the Operating
277 config GENERATE_ACPI_TABLE
278 bool "Generate an ACPI (Advanced Configuration and Power Interface) table"
279 depends on SUPPORT_ACPI
282 The Advanced Configuration and Power Interface (ACPI) specification
283 provides an open standard for device configuration and management
284 by the operating system. It defines platform-independent interfaces
285 for configuration and power management monitoring.
287 config SPL_TINY_MEMSET
288 bool "Use a very small memset() in SPL"
291 The faster memset() is the arch-specific one (if available) enabled
292 by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get
293 better performance by writing a word at a time. But in very
294 size-constrained environments even this may be too big. Enable this
295 option to reduce code size slightly at the cost of some speed.
297 config TPL_TINY_MEMSET
298 bool "Use a very small memset() in TPL"
301 The faster memset() is the arch-specific one (if available) enabled
302 by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get
303 better performance by writing a word at a time. But in very
304 size-constrained environments even this may be too big. Enable this
305 option to reduce code size slightly at the cost of some speed.
311 bool "Bit reverse library from Linux"
314 bool "Support for tracing of function calls and timing"
318 Enables function tracing within U-Boot. This allows recording of call
319 traces including timing information. The command can write data to
320 memory for exporting for analysis (e.g. using bootchart).
321 See doc/README.trace for full details.
323 config TRACE_BUFFER_SIZE
324 hex "Size of trace buffer in U-Boot"
328 Sets the size of the trace buffer in U-Boot. This is allocated from
329 memory during relocation. If this buffer is too small, the trace
330 history will be truncated, with later records omitted.
332 If early trace is enabled (i.e. before relocation), this buffer must
333 be large enough to include all the data from the early trace buffer as
334 well, since this is copied over to the main buffer during relocation.
336 A trace record is emitted for each function call and each record is
337 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If
338 the size is too small then 'trace stats' will show a message saying
339 how many records were dropped due to buffer overflow.
341 config TRACE_CALL_DEPTH_LIMIT
342 int "Trace call depth limit"
346 Sets the maximum call depth up to which function calls are recorded.
349 bool "Enable tracing before relocation"
352 Sometimes it is helpful to trace execution of U-Boot before
353 relocation. This is possible by using a arch-specific, fixed buffer
354 position in memory. Enable this option to start tracing as early as
355 possible after U-Boot starts.
357 config TRACE_EARLY_SIZE
358 hex "Size of early trace buffer in U-Boot"
359 depends on TRACE_EARLY
362 Sets the size of the early trace buffer in bytes. This is used to hold
363 tracing information before relocation.
365 config TRACE_EARLY_CALL_DEPTH_LIMIT
366 int "Early trace call depth limit"
367 depends on TRACE_EARLY
370 Sets the maximum call depth up to which function calls are recorded
371 during early tracing.
373 config TRACE_EARLY_ADDR
374 hex "Address of early trace buffer in U-Boot"
375 depends on TRACE_EARLY
378 Sets the address of the early trace buffer in U-Boot. This memory
379 must be accessible before relocation.
381 A trace record is emitted for each function call and each record is
382 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If
383 the size is too small then the message which says the amount of early
384 data being coped will the the same as the
387 bool "Enable circular buffer support"
389 source lib/dhry/Kconfig
391 menu "Security support"
394 bool "Support the AES algorithm"
396 This provides a means to encrypt and decrypt data using the AES
397 (Advanced Encryption Standard). This algorithm uses a symetric key
398 and is widely used as a streaming cipher. Different key lengths are
399 supported by the algorithm but only a 128-bit key is supported at
402 source lib/ecdsa/Kconfig
403 source lib/rsa/Kconfig
404 source lib/crypto/Kconfig
405 source lib/crypt/Kconfig
408 bool "Trusted Platform Module (TPM) Support"
412 This enables support for TPMs which can be used to provide security
413 features for your board. The TPM can be connected via LPC or I2C
414 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
415 command to interactive the TPM. Driver model support is provided
416 for the low-level TPM interface, but only one TPM is supported at
417 a time by the TPM library.
420 bool "Trusted Platform Module (TPM) Support in SPL"
423 This enables support for TPMs which can be used to provide security
424 features for your board. The TPM can be connected via LPC or I2C
425 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
426 command to interactive the TPM. Driver model support is provided
427 for the low-level TPM interface, but only one TPM is supported at
428 a time by the TPM library.
431 bool "Trusted Platform Module (TPM) Support in TPL"
434 This enables support for TPMs which can be used to provide security
435 features for your board. The TPM can be connected via LPC or I2C
436 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
437 command to interactive the TPM. Driver model support is provided
438 for the low-level TPM interface, but only one TPM is supported at
439 a time by the TPM library.
442 bool "Trusted Platform Module (TPM) Support in VPL"
445 This enables support for TPMs which can be used to provide security
446 features for your board. The TPM can be connected via LPC or I2C
447 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
448 command to interactive the TPM. Driver model support is provided
449 for the low-level TPM interface, but only one TPM is supported at
450 a time by the TPM library.
454 menu "Android Verified Boot"
457 bool "Android Verified Boot 2.0 support"
458 depends on ANDROID_BOOT_IMAGE
460 This enables support of Android Verified Boot 2.0 which can be used
461 to assure the end user of the integrity of the software running on a
462 device. Introduces such features as boot chain of trust, rollback
467 menu "Hashing Support"
470 bool "Enable BLAKE2 support"
472 This option enables support of hashing using BLAKE2B algorithm.
473 The hash is calculated in software.
474 The BLAKE2 algorithm produces a hash value (digest) between 1 and
478 bool "Enable SHA1 support"
480 This option enables support of hashing using SHA1 algorithm.
481 The hash is calculated in software.
482 The SHA1 algorithm produces a 160-bit (20-byte) hash value
486 bool "Enable SHA256 support"
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
494 bool "Enable SHA512 support"
496 This option enables support of hashing using SHA512 algorithm.
497 The hash is calculated in software.
498 The SHA512 algorithm produces a 512-bit (64-byte) hash value
502 bool "Enable SHA384 support"
505 This option enables support of hashing using SHA384 algorithm.
506 The hash is calculated in software. This is also selects SHA512,
507 because these implementations share the bulk of the code..
508 The SHA384 algorithm produces a 384-bit (48-byte) hash value
512 bool "Enable hardware acceleration for SHA hash functions"
514 This option enables hardware acceleration for the SHA1 and SHA256
515 hashing algorithms. This affects the 'hash' command and also the
516 hash_lookup_algo() function.
521 bool "Enable SHA1 support in SPL"
524 This option enables support of hashing using SHA1 algorithm.
525 The hash is calculated in software.
526 The SHA1 algorithm produces a 160-bit (20-byte) hash value
530 bool "Enable SHA256 support in SPL"
533 This option enables support of hashing using SHA256 algorithm.
534 The hash is calculated in software.
535 The SHA256 algorithm produces a 256-bit (32-byte) hash value
539 bool "Enable SHA512 support in SPL"
542 This option enables support of hashing using SHA512 algorithm.
543 The hash is calculated in software.
544 The SHA512 algorithm produces a 512-bit (64-byte) hash value
548 bool "Enable SHA384 support in SPL"
552 This option enables support of hashing using SHA384 algorithm.
553 The hash is calculated in software. This is also selects SHA512,
554 because these implementations share the bulk of the code..
555 The SHA384 algorithm produces a 384-bit (48-byte) hash value
558 config SPL_SHA_HW_ACCEL
559 bool "Enable hardware acceleration for SHA hash functions"
560 default y if SHA_HW_ACCEL
562 This option enables hardware acceleration for the SHA1 and SHA256
563 hashing algorithms. This affects the 'hash' command and also the
564 hash_lookup_algo() function.
566 config SPL_SHA_PROG_HW_ACCEL
567 bool "Enable Progressive hashing support using hardware in SPL"
568 depends on SHA_PROG_HW_ACCEL
571 This option enables hardware-acceleration for SHA progressive
573 Data can be streamed in a block at a time and the hashing is
574 performed in hardware.
580 config SHA512_HW_ACCEL
581 bool "Enable hardware acceleration for SHA512"
584 This option enables hardware acceleration for the SHA384 and SHA512
585 hashing algorithms. This affects the 'hash' command and also the
586 hash_lookup_algo() function.
588 config SHA_PROG_HW_ACCEL
589 bool "Enable Progressive hashing support using hardware"
591 This option enables hardware-acceleration for SHA progressive
593 Data can be streamed in a block at a time and the hashing is
594 performed in hardware.
599 bool "Support MD5 algorithm"
601 This option enables MD5 support. MD5 is an algorithm designed
602 in 1991 that produces a 16-byte digest (or checksum) from its input
603 data. It has a number of vulnerabilities which preclude its use in
604 security applications, but it can be useful for providing a quick
605 checksum of a block of data.
608 bool "Support MD5 algorithm in SPL"
611 This option enables MD5 support in SPL. MD5 is an algorithm designed
612 in 1991 that produces a 16-byte digest (or checksum) from its input
613 data. It has a number of vulnerabilities which preclude its use in
614 security applications, but it can be useful for providing a quick
615 checksum of a block of data.
620 Enables CRC32 support in U-Boot. This is normally required.
630 menu "Compression Support"
633 bool "Enable LZ4 decompression support"
635 If this option is set, support for LZ4 compressed images
636 is included. The LZ4 algorithm can run in-place as long as the
637 compressed image is loaded to the end of the output buffer, and
638 trades lower compression ratios for much faster decompression.
640 NOTE: This implements the release version of the LZ4 frame
641 format as generated by default by the 'lz4' command line tool.
642 This is not the same as the outdated, less efficient legacy
643 frame format currently (2015) implemented in the Linux kernel
644 (generated by 'lz4 -l'). The two formats are incompatible.
647 bool "Enable LZMA decompression support"
649 This enables support for LZMA (Lempel-Ziv-Markov chain algorithm),
650 a dictionary compression algorithm that provides a high compression
651 ratio and fairly fast decompression speed. See also
652 CONFIG_CMD_LZMADEC which provides a decode command.
655 bool "Enable LZO decompression support"
657 This enables support for the LZO compression algorithm.
660 bool "Enable gzip decompression support"
664 This enables support for GZIP compression algorithm.
666 config ZLIB_UNCOMPRESS
667 bool "Enables zlib's uncompress() functionality"
669 This enables an extra zlib functionality: the uncompress() function,
670 which decompresses data from a buffer into another, knowing their
671 sizes. Unlike gunzip(), there is no header parsing.
673 config GZIP_COMPRESSED
678 bool "Enable bzip2 decompression support"
680 This enables support for BZIP2 compression algorithm.
686 This enables ZLIB compression lib.
689 bool "Enable Zstandard decompression support"
692 This enables Zstandard decompression library.
695 bool "Enable LZ4 decompression support in SPL"
698 This enables support for the LZ4 decompression algorithm in SPL. LZ4
699 is a lossless data compression algorithm that is focused on
700 fast compression and decompression speed. It belongs to the LZ77
701 family of byte-oriented compression schemes.
704 bool "Enable LZMA decompression support for SPL build"
707 This enables support for LZMA compression algorithm for SPL boot.
710 bool "Enable LZMA decompression support for VPL build"
713 This enables support for LZMA compression algorithm for VPL boot.
716 bool "Enable LZO decompression support in SPL"
719 This enables support for LZO compression algorithm in the SPL.
722 bool "Enable gzip decompression support for SPL build"
725 This enables support for the GZIP compression algorithm for SPL boot.
730 This enables compression lib for SPL boot.
733 bool "Enable Zstandard decompression support in SPL"
737 This enables Zstandard decompression library in the SPL.
742 bool "Enable function for getting errno-related string message"
744 The function errno_str(int errno), returns a pointer to the errno
745 corresponding text message:
746 - if errno is null or positive number - a pointer to "Success" message
747 - if errno is negative - a pointer to errno related message
750 bool "Enable hexdump"
752 This enables functions for printing dumps of binary data.
755 bool "Enable hexdump in SPL"
756 depends on SPL && HEXDUMP
758 This enables functions for printing dumps of binary data in
764 This enables functions for parsing command-line options.
767 bool "Enable the FDT library"
768 default y if OF_CONTROL
770 This enables the FDT library (libfdt). It provides functions for
771 accessing binary device tree images in memory, such as adding and
772 removing nodes and properties, scanning through the tree and finding
773 particular compatible nodes. The library operates on a flattened
774 version of the device tree.
776 config OF_LIBFDT_ASSUME_MASK
777 hex "Mask of conditions to assume for libfdt"
778 depends on OF_LIBFDT || FIT
781 Use this to change the assumptions made by libfdt about the
782 device tree it is working with. A value of 0 means that no assumptions
783 are made, and libfdt is able to deal with malicious data. A value of
784 0xff means all assumptions are made and any invalid data may cause
785 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
787 config OF_LIBFDT_OVERLAY
788 bool "Enable the FDT library overlay support"
790 default y if ARCH_OMAP2PLUS || ARCH_KEYSTONE
792 This enables the FDT library (libfdt) overlay support.
795 hex "Maximum size of the FDT memory area passeed to the OS"
797 default 0x13000 if FMAN_ENET || QE || U_QE
800 During OS boot, we allocate a region of memory within the bootmap
801 for the FDT. This is the size that we will expand the FDT that we
802 are using will be extended to be, in bytes.
805 bool "Enable the FDT library for SPL"
806 depends on SPL_LIBGENERIC_SUPPORT
807 default y if SPL_OF_CONTROL
809 This enables the FDT library (libfdt). It provides functions for
810 accessing binary device tree images in memory, such as adding and
811 removing nodes and properties, scanning through the tree and finding
812 particular compatible nodes. The library operates on a flattened
813 version of the device tree.
815 config SPL_OF_LIBFDT_ASSUME_MASK
816 hex "Mask of conditions to assume for libfdt"
817 depends on SPL_OF_LIBFDT || (FIT && SPL)
820 Use this to change the assumptions made by libfdt in SPL about the
821 device tree it is working with. A value of 0 means that no assumptions
822 are made, and libfdt is able to deal with malicious data. A value of
823 0xff means all assumptions are made and any invalid data may cause
824 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
827 bool "Enable the FDT library for TPL"
828 depends on TPL_LIBGENERIC_SUPPORT
829 default y if TPL_OF_CONTROL
831 This enables the FDT library (libfdt). It provides functions for
832 accessing binary device tree images in memory, such as adding and
833 removing nodes and properties, scanning through the tree and finding
834 particular compatible nodes. The library operates on a flattened
835 version of the device tree.
837 config TPL_OF_LIBFDT_ASSUME_MASK
838 hex "Mask of conditions to assume for libfdt"
839 depends on TPL_OF_LIBFDT || (FIT && TPL)
842 Use this to change the assumptions made by libfdt in TPL about the
843 device tree it is working with. A value of 0 means that no assumptions
844 are made, and libfdt is able to deal with malicious data. A value of
845 0xff means all assumptions are made and any invalid data may cause
846 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
849 bool "Enable the FDT library for VPL"
851 default y if VPL_OF_CONTROL && !VPL_OF_PLATDATA
853 This enables the FDT library (libfdt). It provides functions for
854 accessing binary device tree images in memory, such as adding and
855 removing nodes and properties, scanning through the tree and finding
856 particular compatible nodes. The library operates on a flattened
857 version of the device tree.
859 config VPL_OF_LIBFDT_ASSUME_MASK
860 hex "Mask of conditions to assume for libfdt"
861 depends on VPL_OF_LIBFDT || (FIT && VPL)
864 Use this to change the assumptions made by libfdt in SPL about the
865 device tree it is working with. A value of 0 means that no assumptions
866 are made, and libfdt is able to deal with malicious data. A value of
867 0xff means all assumptions are made and any invalid data may cause
868 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
870 config FDT_FIXUP_PARTITIONS
871 bool "overwrite MTD partitions in DTS through defined in 'mtdparts'"
873 depends on CMD_MTDPARTS
875 Allow overwriting defined partitions in the device tree blob
876 using partition info defined in the 'mtdparts' environment
880 depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER)
882 config BLOBLIST_TABLES
883 bool "Put tables in a bloblist"
884 depends on X86 && BLOBLIST
886 Normally tables are placed at address 0xf0000 and can be up to 64KB
887 long. With this option, tables are instead placed in the bloblist
888 with a pointer from 0xf0000. The size can then be larger and the
889 tables can be placed high in memory.
891 config GENERATE_SMBIOS_TABLE
892 bool "Generate an SMBIOS (System Management BIOS) table"
894 depends on X86 || EFI_LOADER
896 The System Management BIOS (SMBIOS) specification addresses how
897 motherboard and system vendors present management information about
898 their products in a standard format by extending the BIOS interface
899 on Intel architecture systems.
901 Check http://www.dmtf.org/standards/smbios for details.
903 See also SMBIOS_SYSINFO which allows SMBIOS values to be provided in
907 bool "enable continued fraction calculation routines"
909 config SPL_LIB_RATIONAL
910 bool "enable continued fraction calculation routines for SPL"
918 ASN.1 (Abstract Syntax Notation One) is a standard interface
919 description language for defining data structures that can be
920 serialized and deserialized in a cross-platform way. It is
921 broadly used in telecommunications and computer networking,
922 and especially in cryptography (https://en.wikipedia.org/wiki/ASN.1).
923 This option enables the support of the asn1 compiler.
928 ASN.1 (Abstract Syntax Notation One) is a standard interface
929 description language for defining data structures that can be
930 serialized and deserialized in a cross-platform way. It is
931 broadly used in telecommunications and computer networking,
932 and especially in cryptography (https://en.wikipedia.org/wiki/ASN.1).
933 This option enables the support of the asn1 decoder.
935 config SPL_ASN1_DECODER
938 ASN.1 (Abstract Syntax Notation One) is a standard interface
939 description language for defining data structures that can be
940 serialized and deserialized in a cross-platform way. It is
941 broadly used in telecommunications and computer networking,
942 and especially in cryptography (https://en.wikipedia.org/wiki/ASN.1).
943 This option enables the support of the asn1 decoder in the SPL.
948 In computing, object identifiers or OIDs are an identifier mechanism
949 standardized by the International Telecommunication Union (ITU) and
950 ISO/IEC for naming any object, concept, or "thing" with a globally
951 unambiguous persistent name (https://en.wikipedia.org/wiki/Object_identifier).
952 Enable fast lookup object identifier registry.
954 config SPL_OID_REGISTRY
957 In computing, object identifiers or OIDs are an identifier mechanism
958 standardized by the International Telecommunication Union (ITU) and
959 ISO/IEC for naming any object, concept, or "thing" with a globally
960 unambiguous persistent name (https://en.wikipedia.org/wiki/Object_identifier).
961 Enable fast lookup object identifier registry in the SPL.
966 A simple parser for SMBIOS data.
968 source lib/efi/Kconfig
969 source lib/efi_loader/Kconfig
970 source lib/optee/Kconfig
973 bool "enable fdtdec test"
982 Support basic elf loading/validating functions.
983 This supports for 32 bit and 64 bit versions.
986 bool "Enable the logical memory blocks library (lmb)"
987 default y if ARC || ARM || M68K || MICROBLAZE || MIPS || \
988 NIOS2 || PPC || RISCV || SANDBOX || SH || X86 || XTENSA
990 Support the library logical memory blocks.
992 config LMB_USE_MAX_REGIONS
993 bool "Use a common number of memory and reserved regions in lmb lib"
997 Define the number of supported memory regions in the library logical
999 This feature allow to reduce the lmb library size by using compiler
1000 optimization when LMB_MEMORY_REGIONS == LMB_RESERVED_REGIONS.
1002 config LMB_MAX_REGIONS
1003 int "Number of memory and reserved regions in lmb lib"
1004 depends on LMB && LMB_USE_MAX_REGIONS
1007 Define the number of supported regions, memory and reserved, in the
1008 library logical memory blocks.
1010 config LMB_MEMORY_REGIONS
1011 int "Number of memory regions in lmb lib"
1012 depends on LMB && !LMB_USE_MAX_REGIONS
1015 Define the number of supported memory regions in the library logical
1017 The minimal value is CONFIG_NR_DRAM_BANKS.
1019 config LMB_RESERVED_REGIONS
1020 int "Number of reserved regions in lmb lib"
1021 depends on LMB && !LMB_USE_MAX_REGIONS
1024 Define the number of supported reserved regions in the library logical
1029 menu "FWU Multi Bank Updates"
1031 source lib/fwu_updates/Kconfig