X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=lib%2FKconfig;h=135f0b372b074270beab7450a542edeeef94124f;hb=e731af4893f7741c66254161ad9b6f5280369895;hp=02ca4058d37e0b4e7f23b9885e9cc051d292c0ec;hpb=91b86e21564de01c0e3deafc72702897993d63ae;p=oweals%2Fu-boot.git diff --git a/lib/Kconfig b/lib/Kconfig index 02ca4058d3..135f0b372b 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -1,5 +1,12 @@ menu "Library routines" +config BCH + bool "Enable Software based BCH ECC" + help + Enables software based BCH ECC algorithm present in lib/bch.c + This is used by SoC platforms which do not have built-in ELM + hardware engine required for BCH ECC correction. + config CC_OPTIMIZE_LIBS_FOR_SPEED bool "Optimize libraries for speed" help @@ -8,9 +15,69 @@ config CC_OPTIMIZE_LIBS_FOR_SPEED If unsure, say N. +config DYNAMIC_CRC_TABLE + bool "Enable Dynamic tables for CRC" + help + Enable this option to calculate entries for CRC tables at runtime. + This can be helpful when reducing the size of the build image + +config HAVE_ARCH_IOMAP + bool + help + Enable this option if architecture provides io{read,write}{8,16,32} + I/O accessor functions. + config HAVE_PRIVATE_LIBGCC bool +config LIB_UUID + bool + +config PRINTF + bool + default y + +config SPL_PRINTF + bool + select SPL_SPRINTF + select SPL_STRTO if !SPL_USE_TINY_PRINTF + +config TPL_PRINTF + bool + select TPL_SPRINTF + select TPL_STRTO if !TPL_USE_TINY_PRINTF + +config SPRINTF + bool + default y + +config SPL_SPRINTF + bool + +config TPL_SPRINTF + bool + +config STRTO + bool + default y + +config SPL_STRTO + bool + +config TPL_STRTO + bool + +config IMAGE_SPARSE + bool + +config IMAGE_SPARSE_FILLBUF_SIZE + hex "Android sparse image CHUNK_TYPE_FILL buffer size" + default 0x80000 + depends on IMAGE_SPARSE + help + Set the size of the fill buffer used when processing CHUNK_TYPE_FILL + chunks. + config USE_PRIVATE_LIBGCC bool "Use private libgcc" depends on HAVE_PRIVATE_LIBGCC @@ -28,8 +95,22 @@ config SYS_HZ get_timer() must operate in milliseconds and this option must be set to 1000. -config USE_TINY_PRINTF +config SPL_USE_TINY_PRINTF + bool "Enable tiny printf() version" + depends on SPL + default y + help + This option enables a tiny, stripped down printf version. + This should only be used in space limited environments, + like SPL versions with hard memory limits. This version + reduces the code size by about 2.5KiB on armv7. + + The supported format specifiers are %c, %s, %u/%d and %x. + +config TPL_USE_TINY_PRINTF bool "Enable tiny printf() version" + depends on TPL + default y if SPL_USE_TINY_PRINTF help This option enables a tiny, stripped down printf version. This should only be used in space limited environments, @@ -38,6 +119,16 @@ config USE_TINY_PRINTF The supported format specifiers are %c, %s, %u/%d and %x. +config PANIC_HANG + bool "Do not reset the system on fatal error" + help + Define this option to stop the system in case of a fatal error, + so that you have to reset it manually. This is probably NOT a good + idea for an embedded system where you want the system to reboot + automatically as fast as possible, but it may be useful during + development since you can try to debug the conditions that lead to + the situation. + config REGEX bool "Enable regular expression support" default y if NET @@ -47,13 +138,132 @@ config REGEX regex support to some commands, for example "env grep" and "setexpr". +choice + prompt "Pseudo-random library support type" + depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID + default LIB_RAND + help + Select the library to provide pseudo-random number generator + functions. LIB_HW_RAND supports certain hardware engines that + provide this functionality. If in doubt, select LIB_RAND. + config LIB_RAND - bool "Pseudo-random library support " + bool "Pseudo-random library support" + +config LIB_HW_RAND + bool "HW Engine for random libray support" + +endchoice + +config SPL_TINY_MEMSET + bool "Use a very small memset() in SPL" + help + The faster memset() is the arch-specific one (if available) enabled + by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get + better performance by writing a word at a time. But in very + size-constrained environments even this may be too big. Enable this + option to reduce code size slightly at the cost of some speed. + +config TPL_TINY_MEMSET + bool "Use a very small memset() in TPL" + help + The faster memset() is the arch-specific one (if available) enabled + by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get + better performance by writing a word at a time. But in very + size-constrained environments even this may be too big. Enable this + option to reduce code size slightly at the cost of some speed. + +config RBTREE + bool + +config BITREVERSE + bool "Bit reverse library from Linux" + +config TRACE + bool "Support for tracing of function calls and timing" + imply CMD_TRACE + help + Enables function tracing within U-Boot. This allows recording of call + traces including timing information. The command can write data to + memory for exporting for analysis (e.g. using bootchart). + See doc/README.trace for full details. + +config TRACE_BUFFER_SIZE + hex "Size of trace buffer in U-Boot" + depends on TRACE + default 0x01000000 help - This library provides pseudo-random number generator functions. + Sets the size of the trace buffer in U-Boot. This is allocated from + memory during relocation. If this buffer is too small, the trace + history will be truncated, with later records omitted. + + If early trace is enabled (i.e. before relocation), this buffer must + be large enough to include all the data from the early trace buffer as + well, since this is copied over to the main buffer during relocation. + + A trace record is emitted for each function call and each record is + 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If + the size is too small then 'trace stats' will show a message saying + how many records were dropped due to buffer overflow. + +config TRACE_CALL_DEPTH_LIMIT + int "Trace call depth limit" + depends on TRACE + default 15 + help + Sets the maximum call depth up to which function calls are recorded. + +config TRACE_EARLY + bool "Enable tracing before relocation" + depends on TRACE + help + Sometimes it is helpful to trace execution of U-Boot before + relocation. This is possible by using a arch-specific, fixed buffer + position in memory. Enable this option to start tracing as early as + possible after U-Boot starts. + +config TRACE_EARLY_SIZE + hex "Size of early trace buffer in U-Boot" + depends on TRACE_EARLY + default 0x00100000 + help + Sets the size of the early trace buffer in bytes. This is used to hold + tracing information before relocation. + +config TRACE_EARLY_CALL_DEPTH_LIMIT + int "Early trace call depth limit" + depends on TRACE_EARLY + default 200 + help + Sets the maximum call depth up to which function calls are recorded + during early tracing. + +config TRACE_EARLY_ADDR + hex "Address of early trace buffer in U-Boot" + depends on TRACE_EARLY + default 0x00100000 + help + Sets the address of the early trace buffer in U-Boot. This memory + must be accessible before relocation. + + A trace record is emitted for each function call and each record is + 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If + the size is too small then the message which says the amount of early + data being coped will the the same as the source lib/dhry/Kconfig +menu "Security support" + +config AES + bool "Support the AES algorithm" + help + This provides a means to encrypt and decrypt data using the AES + (Advanced Encryption Standard). This algorithm uses a symetric key + and is widely used as a streaming cipher. Different key lengths are + supported by the algorithm but only a 128-bit key is supported at + present. + source lib/rsa/Kconfig config TPM @@ -67,6 +277,44 @@ config TPM for the low-level TPM interface, but only one TPM is supported at a time by the TPM library. +config SPL_TPM + bool "Trusted Platform Module (TPM) Support in SPL" + depends on SPL_DM + help + This enables support for TPMs which can be used to provide security + features for your board. The TPM can be connected via LPC or I2C + and a sandbox TPM is provided for testing purposes. Use the 'tpm' + command to interactive the TPM. Driver model support is provided + for the low-level TPM interface, but only one TPM is supported at + a time by the TPM library. + +config TPL_TPM + bool "Trusted Platform Module (TPM) Support in TPL" + depends on TPL_DM + help + This enables support for TPMs which can be used to provide security + features for your board. The TPM can be connected via LPC or I2C + and a sandbox TPM is provided for testing purposes. Use the 'tpm' + command to interactive the TPM. Driver model support is provided + for the low-level TPM interface, but only one TPM is supported at + a time by the TPM library. + +endmenu + +menu "Android Verified Boot" + +config LIBAVB + bool "Android Verified Boot 2.0 support" + depends on ANDROID_BOOT_IMAGE + default n + help + This enables support of Android Verified Boot 2.0 which can be used + to assure the end user of the integrity of the software running on a + device. Introduces such features as boot chain of trust, rollback + protection etc. + +endmenu + menu "Hashing Support" config SHA1 @@ -101,6 +349,16 @@ config SHA_PROG_HW_ACCEL SHA1/SHA256 progressive hashing. Data can be streamed in a block at a time and the hashing is performed in hardware. + +config MD5 + bool + +config CRC32C + bool + +config XXHASH + bool + endmenu menu "Compression Support" @@ -119,6 +377,68 @@ config LZ4 frame format currently (2015) implemented in the Linux kernel (generated by 'lz4 -l'). The two formats are incompatible. +config LZMA + bool "Enable LZMA decompression support" + help + This enables support for LZMA (Lempel-Ziv-Markov chain algorithm), + a dictionary compression algorithm that provides a high compression + ratio and fairly fast decompression speed. See also + CONFIG_CMD_LZMADEC which provides a decode command. + +config LZO + bool "Enable LZO decompression support" + help + This enables support for LZO compression algorithm.r + +config GZIP + bool "Enable gzip decompression support" + select ZLIB + default y + help + This enables support for GZIP compression algorithm. + +config ZLIB + bool + default y + help + This enables ZLIB compression lib. + +config ZSTD + bool "Enable Zstandard decompression support" + select XXHASH + help + This enables Zstandard decompression library. + +config SPL_LZ4 + bool "Enable LZ4 decompression support in SPL" + help + This enables support for tge LZ4 decompression algorithm in SPL. LZ4 + is a lossless data compression algorithm that is focused on + fast compression and decompression speed. It belongs to the LZ77 + family of byte-oriented compression schemes. + +config SPL_LZO + bool "Enable LZO decompression support in SPL" + help + This enables support for LZO compression algorithm in the SPL. + +config SPL_GZIP + bool "Enable gzip decompression support for SPL build" + select SPL_ZLIB + help + This enables support for GZIP compression altorithm for SPL boot. + +config SPL_ZLIB + bool + help + This enables compression lib for SPL boot. + +config SPL_ZSTD + bool "Enable Zstandard decompression support in SPL" + select XXHASH + help + This enables Zstandard decompression library in the SPL. + endmenu config ERRNO_STR @@ -129,27 +449,96 @@ config ERRNO_STR - if errno is null or positive number - a pointer to "Success" message - if errno is negative - a pointer to errno related message +config HEXDUMP + bool "Enable hexdump" + help + This enables functions for printing dumps of binary data. + config OF_LIBFDT bool "Enable the FDT library" default y if OF_CONTROL help This enables the FDT library (libfdt). It provides functions for accessing binary device tree images in memory, such as adding and - removing notes and properties, scanning through the tree and finding + removing nodes and properties, scanning through the tree and finding particular compatible nodes. The library operates on a flattened version of the device tree. +config OF_LIBFDT_OVERLAY + bool "Enable the FDT library overlay support" + depends on OF_LIBFDT + default y if ARCH_OMAP2PLUS || ARCH_KEYSTONE + help + This enables the FDT library (libfdt) overlay support. + config SPL_OF_LIBFDT bool "Enable the FDT library for SPL" default y if SPL_OF_CONTROL help This enables the FDT library (libfdt). It provides functions for accessing binary device tree images in memory, such as adding and - removing notes and properties, scanning through the tree and finding + removing nodes and properties, scanning through the tree and finding + particular compatible nodes. The library operates on a flattened + version of the device tree. + +config TPL_OF_LIBFDT + bool "Enable the FDT library for TPL" + default y if TPL_OF_CONTROL + help + This enables the FDT library (libfdt). It provides functions for + accessing binary device tree images in memory, such as adding and + removing nodes and properties, scanning through the tree and finding particular compatible nodes. The library operates on a flattened version of the device tree. +config FDT_FIXUP_PARTITIONS + bool "overwrite MTD partitions in DTS through defined in 'mtdparts'" + depends on OF_LIBFDT + depends on CMD_MTDPARTS + help + Allow overwriting defined partitions in the device tree blob + using partition info defined in the 'mtdparts' environment + variable. + +menu "System tables" + depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER) + +config GENERATE_SMBIOS_TABLE + bool "Generate an SMBIOS (System Management BIOS) table" + default y + depends on X86 || EFI_LOADER + help + The System Management BIOS (SMBIOS) specification addresses how + motherboard and system vendors present management information about + their products in a standard format by extending the BIOS interface + on Intel architecture systems. + + Check http://www.dmtf.org/standards/smbios for details. + +config SMBIOS_MANUFACTURER + string "SMBIOS Manufacturer" + depends on GENERATE_SMBIOS_TABLE + default SYS_VENDOR + help + The board manufacturer to store in SMBIOS structures. + Change this to override the default one (CONFIG_SYS_VENDOR). + +config SMBIOS_PRODUCT_NAME + string "SMBIOS Product Name" + depends on GENERATE_SMBIOS_TABLE + default SYS_BOARD + help + The product name to store in SMBIOS structures. + Change this to override the default one (CONFIG_SYS_BOARD). + +endmenu + source lib/efi/Kconfig source lib/efi_loader/Kconfig +source lib/optee/Kconfig + +config TEST_FDTDEC + bool "enable fdtdec test" + depends on OF_LIBFDT endmenu