Masahiro Yamada | f3e12b7 | 2014-09-16 16:32:58 +0900 | [diff] [blame] | 1 | menu "Library routines" |
| 2 | |
Adam Ford | 02bf536 | 2017-08-11 09:46:05 -0500 | [diff] [blame] | 3 | config BCH |
| 4 | bool "Enable Software based BCH ECC" |
| 5 | help |
| 6 | Enables software based BCH ECC algorithm present in lib/bch.c |
| 7 | This is used by SoC platforms which do not have built-in ELM |
| 8 | hardware engine required for BCH ECC correction. |
| 9 | |
Masahiro Yamada | 3f053fe | 2014-09-16 16:32:59 +0900 | [diff] [blame] | 10 | config CC_OPTIMIZE_LIBS_FOR_SPEED |
| 11 | bool "Optimize libraries for speed" |
| 12 | help |
| 13 | Enabling this option will pass "-O2" to gcc when compiling |
| 14 | under "lib" directory. |
| 15 | |
| 16 | If unsure, say N. |
| 17 | |
Faiz Abbas | 6199fb1 | 2018-02-06 19:15:58 +0530 | [diff] [blame] | 18 | config DYNAMIC_CRC_TABLE |
| 19 | bool "Enable Dynamic tables for CRC" |
| 20 | help |
| 21 | Enable this option to calculate entries for CRC tables at runtime. |
| 22 | This can be helpful when reducing the size of the build image |
| 23 | |
Masahiro Yamada | 9520b71 | 2014-10-24 01:30:43 +0900 | [diff] [blame] | 24 | config HAVE_PRIVATE_LIBGCC |
| 25 | bool |
| 26 | |
Adam Ford | 70c8f05 | 2018-02-06 12:14:28 -0600 | [diff] [blame] | 27 | config LIB_UUID |
| 28 | bool |
| 29 | |
Masahiro Yamada | 9520b71 | 2014-10-24 01:30:43 +0900 | [diff] [blame] | 30 | config USE_PRIVATE_LIBGCC |
| 31 | bool "Use private libgcc" |
| 32 | depends on HAVE_PRIVATE_LIBGCC |
Marek Vasut | 4e0126e | 2016-05-26 18:01:47 +0200 | [diff] [blame] | 33 | default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS) |
Masahiro Yamada | 9520b71 | 2014-10-24 01:30:43 +0900 | [diff] [blame] | 34 | help |
| 35 | This option allows you to use the built-in libgcc implementation |
Masahiro Yamada | 1c6a5e4 | 2016-03-30 20:17:42 +0900 | [diff] [blame] | 36 | of U-Boot instead of the one provided by the compiler. |
Masahiro Yamada | 9520b71 | 2014-10-24 01:30:43 +0900 | [diff] [blame] | 37 | If unsure, say N. |
| 38 | |
Masahiro Yamada | e301fa0 | 2014-10-24 01:30:40 +0900 | [diff] [blame] | 39 | config SYS_HZ |
| 40 | int |
| 41 | default 1000 |
| 42 | help |
| 43 | The frequency of the timer returned by get_timer(). |
| 44 | get_timer() must operate in milliseconds and this option must be |
| 45 | set to 1000. |
| 46 | |
Stefan Roese | 363ab7b | 2015-11-23 07:00:22 +0100 | [diff] [blame] | 47 | config USE_TINY_PRINTF |
| 48 | bool "Enable tiny printf() version" |
| 49 | help |
| 50 | This option enables a tiny, stripped down printf version. |
| 51 | This should only be used in space limited environments, |
| 52 | like SPL versions with hard memory limits. This version |
| 53 | reduces the code size by about 2.5KiB on armv7. |
| 54 | |
| 55 | The supported format specifiers are %c, %s, %u/%d and %x. |
| 56 | |
Masahiro Yamada | acede7a | 2017-12-04 12:37:00 +0900 | [diff] [blame] | 57 | config PANIC_HANG |
| 58 | bool "Do not reset the system on fatal error" |
| 59 | help |
| 60 | Define this option to stop the system in case of a fatal error, |
| 61 | so that you have to reset it manually. This is probably NOT a good |
| 62 | idea for an embedded system where you want the system to reboot |
| 63 | automatically as fast as possible, but it may be useful during |
| 64 | development since you can try to debug the conditions that lead to |
| 65 | the situation. |
| 66 | |
Joe Hershberger | 937d3e8 | 2015-04-21 17:02:42 -0500 | [diff] [blame] | 67 | config REGEX |
| 68 | bool "Enable regular expression support" |
Maxime Ripard | 3bd5954 | 2018-01-16 09:44:21 +0100 | [diff] [blame] | 69 | default n if ARCH_SUNXI |
Joe Hershberger | 8ab8b72 | 2015-06-22 17:57:36 -0500 | [diff] [blame] | 70 | default y if NET |
Joe Hershberger | 937d3e8 | 2015-04-21 17:02:42 -0500 | [diff] [blame] | 71 | help |
| 72 | If this variable is defined, U-Boot is linked against the |
| 73 | SLRE (Super Light Regular Expression) library, which adds |
| 74 | regex support to some commands, for example "env grep" and |
| 75 | "setexpr". |
| 76 | |
Adam Ford | 38003a6 | 2018-02-06 10:18:18 -0600 | [diff] [blame] | 77 | choice |
| 78 | prompt "Pseudo-random library support type" |
| 79 | depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID |
| 80 | default LIB_RAND |
Masahiro Yamada | 2743c07 | 2015-06-11 19:16:43 +0900 | [diff] [blame] | 81 | help |
Adam Ford | 38003a6 | 2018-02-06 10:18:18 -0600 | [diff] [blame] | 82 | Select the library to provide pseudo-random number generator |
| 83 | functions. LIB_HW_RAND supports certain hardware engines that |
| 84 | provide this functionality. If in doubt, select LIB_RAND. |
| 85 | |
| 86 | config LIB_RAND |
| 87 | bool "Pseudo-random library support" |
| 88 | |
| 89 | config LIB_HW_RAND |
| 90 | bool "HW Engine for random libray support" |
| 91 | |
| 92 | endchoice |
Michal Simek | 2c1b1db | 2015-05-25 11:37:22 +0200 | [diff] [blame] | 93 | |
Simon Glass | e2f94ae | 2017-04-02 09:50:28 -0600 | [diff] [blame] | 94 | config SPL_TINY_MEMSET |
| 95 | bool "Use a very small memset() in SPL" |
| 96 | help |
| 97 | The faster memset() is the arch-specific one (if available) enabled |
| 98 | by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get |
| 99 | better performance by writing a word at a time. But in very |
| 100 | size-constrained envrionments even this may be too big. Enable this |
| 101 | option to reduce code size slightly at the cost of some speed. |
| 102 | |
Philipp Tomsich | fefc4ec | 2017-08-03 22:52:04 +0200 | [diff] [blame] | 103 | config TPL_TINY_MEMSET |
| 104 | bool "Use a very small memset() in TPL" |
| 105 | help |
| 106 | The faster memset() is the arch-specific one (if available) enabled |
| 107 | by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get |
| 108 | better performance by writing a word at a time. But in very |
| 109 | size-constrained envrionments even this may be too big. Enable this |
| 110 | option to reduce code size slightly at the cost of some speed. |
| 111 | |
Boris Brezillon | 627dc18 | 2017-02-27 18:22:05 +0100 | [diff] [blame] | 112 | config RBTREE |
| 113 | bool |
| 114 | |
Nandor Han | d5ea84a | 2017-11-08 15:35:14 +0000 | [diff] [blame] | 115 | config BITREVERSE |
| 116 | bool "Bit reverse library from Linux" |
| 117 | |
Simon Glass | 99dbe4b | 2015-06-23 15:38:23 -0600 | [diff] [blame] | 118 | source lib/dhry/Kconfig |
| 119 | |
Simon Glass | 528fdd1 | 2017-04-26 22:27:49 -0600 | [diff] [blame] | 120 | menu "Security support" |
| 121 | |
| 122 | config AES |
| 123 | bool "Support the AES algorithm" |
| 124 | help |
| 125 | This provides a means to encrypt and decrypt data using the AES |
| 126 | (Advanced Encryption Standard). This algorithm uses a symetric key |
| 127 | and is widely used as a streaming cipher. Different key lengths are |
| 128 | supported by the algorithm but only a 128-bit key is supported at |
| 129 | present. |
| 130 | |
Ruchika Gupta | 4acd8c4 | 2015-01-23 16:01:56 +0530 | [diff] [blame] | 131 | source lib/rsa/Kconfig |
Ruchika Gupta | 2c3822e | 2015-01-23 16:01:51 +0530 | [diff] [blame] | 132 | |
Simon Glass | 350497c | 2015-08-22 18:31:19 -0600 | [diff] [blame] | 133 | config TPM |
| 134 | bool "Trusted Platform Module (TPM) Support" |
Simon Glass | cf294b0 | 2015-10-03 06:39:36 -0600 | [diff] [blame] | 135 | depends on DM |
Simon Glass | 350497c | 2015-08-22 18:31:19 -0600 | [diff] [blame] | 136 | help |
| 137 | This enables support for TPMs which can be used to provide security |
| 138 | features for your board. The TPM can be connected via LPC or I2C |
| 139 | and a sandbox TPM is provided for testing purposes. Use the 'tpm' |
| 140 | command to interactive the TPM. Driver model support is provided |
| 141 | for the low-level TPM interface, but only one TPM is supported at |
| 142 | a time by the TPM library. |
| 143 | |
Simon Glass | 528fdd1 | 2017-04-26 22:27:49 -0600 | [diff] [blame] | 144 | endmenu |
| 145 | |
gaurav rana | ef20159 | 2015-02-20 12:51:46 +0530 | [diff] [blame] | 146 | menu "Hashing Support" |
| 147 | |
| 148 | config SHA1 |
| 149 | bool "Enable SHA1 support" |
| 150 | help |
| 151 | This option enables support of hashing using SHA1 algorithm. |
| 152 | The hash is calculated in software. |
| 153 | The SHA1 algorithm produces a 160-bit (20-byte) hash value |
| 154 | (digest). |
| 155 | |
| 156 | config SHA256 |
| 157 | bool "Enable SHA256 support" |
| 158 | help |
| 159 | This option enables support of hashing using SHA256 algorithm. |
| 160 | The hash is calculated in software. |
| 161 | The SHA256 algorithm produces a 256-bit (32-byte) hash value |
| 162 | (digest). |
| 163 | |
| 164 | config SHA_HW_ACCEL |
| 165 | bool "Enable hashing using hardware" |
| 166 | help |
| 167 | This option enables hardware acceleration |
| 168 | for SHA1/SHA256 hashing. |
| 169 | This affects the 'hash' command and also the |
| 170 | hash_lookup_algo() function. |
| 171 | |
| 172 | config SHA_PROG_HW_ACCEL |
| 173 | bool "Enable Progressive hashing support using hardware" |
| 174 | depends on SHA_HW_ACCEL |
| 175 | help |
| 176 | This option enables hardware-acceleration for |
| 177 | SHA1/SHA256 progressive hashing. |
| 178 | Data can be streamed in a block at a time and the hashing |
| 179 | is performed in hardware. |
Andre Przywara | f0fa113 | 2017-03-15 01:19:05 +0000 | [diff] [blame] | 180 | |
| 181 | config MD5 |
| 182 | bool |
| 183 | |
Marek BehĂșn | cdccc03 | 2017-09-03 17:00:23 +0200 | [diff] [blame] | 184 | config CRC32C |
| 185 | bool |
| 186 | |
gaurav rana | ef20159 | 2015-02-20 12:51:46 +0530 | [diff] [blame] | 187 | endmenu |
| 188 | |
Julius Werner | f41a3ca | 2015-10-06 20:03:53 -0700 | [diff] [blame] | 189 | menu "Compression Support" |
| 190 | |
| 191 | config LZ4 |
| 192 | bool "Enable LZ4 decompression support" |
| 193 | help |
| 194 | If this option is set, support for LZ4 compressed images |
| 195 | is included. The LZ4 algorithm can run in-place as long as the |
| 196 | compressed image is loaded to the end of the output buffer, and |
| 197 | trades lower compression ratios for much faster decompression. |
| 198 | |
| 199 | NOTE: This implements the release version of the LZ4 frame |
| 200 | format as generated by default by the 'lz4' command line tool. |
| 201 | This is not the same as the outdated, less efficient legacy |
| 202 | frame format currently (2015) implemented in the Linux kernel |
| 203 | (generated by 'lz4 -l'). The two formats are incompatible. |
| 204 | |
Simon Glass | 264aa5f | 2017-05-17 03:25:42 -0600 | [diff] [blame] | 205 | config LZMA |
| 206 | bool "Enable LZMA decompression support" |
| 207 | help |
| 208 | This enables support for LZMA (Lempel-Ziv-Markov chain algorithm), |
| 209 | a dictionary compression algorithm that provides a high compression |
| 210 | ratio and fairly fast decompression speed. See also |
| 211 | CONFIG_CMD_LZMADEC which provides a decode command. |
| 212 | |
Boris Brezillon | aa57d0f | 2017-02-27 18:22:06 +0100 | [diff] [blame] | 213 | config LZO |
Tom Rini | c20bb73 | 2017-07-22 18:36:16 -0400 | [diff] [blame] | 214 | bool "Enable LZO decompression support" |
| 215 | help |
| 216 | This enables support for LZO compression algorithm.r |
York Sun | a6945fe | 2017-08-15 11:14:43 -0700 | [diff] [blame] | 217 | |
Jean-Jacques Hiblot | dbde288 | 2017-09-15 12:57:30 +0200 | [diff] [blame] | 218 | config SPL_LZO |
| 219 | bool "Enable LZO decompression support in SPL" |
| 220 | help |
| 221 | This enables support for LZO compression algorithm in the SPL. |
| 222 | |
York Sun | a6945fe | 2017-08-15 11:14:43 -0700 | [diff] [blame] | 223 | config SPL_GZIP |
| 224 | bool "Enable gzip decompression support for SPL build" |
| 225 | select SPL_ZLIB |
| 226 | help |
| 227 | This enables support for GZIP compression altorithm for SPL boot. |
| 228 | |
| 229 | config SPL_ZLIB |
| 230 | bool |
| 231 | help |
| 232 | This enables compression lib for SPL boot. |
| 233 | |
Julius Werner | f41a3ca | 2015-10-06 20:03:53 -0700 | [diff] [blame] | 234 | endmenu |
| 235 | |
Przemyslaw Marczak | 3755013 | 2015-04-20 20:07:40 +0200 | [diff] [blame] | 236 | config ERRNO_STR |
| 237 | bool "Enable function for getting errno-related string message" |
| 238 | help |
| 239 | The function errno_str(int errno), returns a pointer to the errno |
| 240 | corresponding text message: |
| 241 | - if errno is null or positive number - a pointer to "Success" message |
| 242 | - if errno is negative - a pointer to errno related message |
| 243 | |
Simon Glass | a66c541 | 2016-02-22 22:55:42 -0700 | [diff] [blame] | 244 | config OF_LIBFDT |
| 245 | bool "Enable the FDT library" |
| 246 | default y if OF_CONTROL |
| 247 | help |
| 248 | This enables the FDT library (libfdt). It provides functions for |
| 249 | accessing binary device tree images in memory, such as adding and |
Anatolij Gustschin | da707d4 | 2017-08-18 17:58:51 +0200 | [diff] [blame] | 250 | removing nodes and properties, scanning through the tree and finding |
Simon Glass | a66c541 | 2016-02-22 22:55:42 -0700 | [diff] [blame] | 251 | particular compatible nodes. The library operates on a flattened |
| 252 | version of the device tree. |
| 253 | |
Maxime Ripard | 9e901ce | 2016-07-05 10:26:44 +0200 | [diff] [blame] | 254 | config OF_LIBFDT_OVERLAY |
| 255 | bool "Enable the FDT library overlay support" |
| 256 | help |
| 257 | This enables the FDT library (libfdt) overlay support. |
| 258 | |
Simon Glass | 8b42692 | 2016-02-22 22:55:45 -0700 | [diff] [blame] | 259 | config SPL_OF_LIBFDT |
| 260 | bool "Enable the FDT library for SPL" |
| 261 | default y if SPL_OF_CONTROL |
| 262 | help |
| 263 | This enables the FDT library (libfdt). It provides functions for |
| 264 | accessing binary device tree images in memory, such as adding and |
Anatolij Gustschin | da707d4 | 2017-08-18 17:58:51 +0200 | [diff] [blame] | 265 | removing nodes and properties, scanning through the tree and finding |
Simon Glass | 8b42692 | 2016-02-22 22:55:45 -0700 | [diff] [blame] | 266 | particular compatible nodes. The library operates on a flattened |
| 267 | version of the device tree. |
| 268 | |
Heiko Schocher | c9ab910 | 2016-10-06 07:31:45 +0200 | [diff] [blame] | 269 | config FDT_FIXUP_PARTITIONS |
| 270 | bool "overwrite MTD partitions in DTS through defined in 'mtdparts'" |
| 271 | depends on OF_LIBFDT |
| 272 | default n |
| 273 | help |
| 274 | Allow overwriting defined partitions in the device tree blob |
| 275 | using partition info defined in the 'mtdparts' environment |
| 276 | variable. |
| 277 | |
Alexander Graf | fb22808 | 2016-08-19 01:23:23 +0200 | [diff] [blame] | 278 | menu "System tables" |
Alexander Graf | 66f96e1 | 2016-08-19 01:23:29 +0200 | [diff] [blame] | 279 | depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER) |
Alexander Graf | fb22808 | 2016-08-19 01:23:23 +0200 | [diff] [blame] | 280 | |
| 281 | config GENERATE_SMBIOS_TABLE |
| 282 | bool "Generate an SMBIOS (System Management BIOS) table" |
| 283 | default y |
Alexander Graf | 66f96e1 | 2016-08-19 01:23:29 +0200 | [diff] [blame] | 284 | depends on X86 || EFI_LOADER |
Alexander Graf | fb22808 | 2016-08-19 01:23:23 +0200 | [diff] [blame] | 285 | help |
| 286 | The System Management BIOS (SMBIOS) specification addresses how |
| 287 | motherboard and system vendors present management information about |
| 288 | their products in a standard format by extending the BIOS interface |
| 289 | on Intel architecture systems. |
| 290 | |
| 291 | Check http://www.dmtf.org/standards/smbios for details. |
| 292 | |
| 293 | config SMBIOS_MANUFACTURER |
| 294 | string "SMBIOS Manufacturer" |
| 295 | depends on GENERATE_SMBIOS_TABLE |
| 296 | default SYS_VENDOR |
| 297 | help |
| 298 | The board manufacturer to store in SMBIOS structures. |
| 299 | Change this to override the default one (CONFIG_SYS_VENDOR). |
| 300 | |
| 301 | config SMBIOS_PRODUCT_NAME |
| 302 | string "SMBIOS Product Name" |
| 303 | depends on GENERATE_SMBIOS_TABLE |
| 304 | default SYS_BOARD |
| 305 | help |
| 306 | The product name to store in SMBIOS structures. |
| 307 | Change this to override the default one (CONFIG_SYS_BOARD). |
| 308 | |
| 309 | endmenu |
| 310 | |
Simon Glass | 9539e69 | 2015-07-31 09:31:36 -0600 | [diff] [blame] | 311 | source lib/efi/Kconfig |
Alexander Graf | 67ee705 | 2016-03-04 01:10:07 +0100 | [diff] [blame] | 312 | source lib/efi_loader/Kconfig |
Simon Glass | 9539e69 | 2015-07-31 09:31:36 -0600 | [diff] [blame] | 313 | |
Masahiro Yamada | f3e12b7 | 2014-09-16 16:32:58 +0900 | [diff] [blame] | 314 | endmenu |