X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=lib%2FKconfig;h=db0915153cb566c79fdd6e53b3a8815283f90a22;hb=4aa2ba3a34e3e4413c2cc63fc54f3176881b1a56;hp=884218a3c667f53877c84b462344cfaa1e651ef5;hpb=1a2728ae4faf12874173de156b8a7e66cfbbeae5;p=oweals%2Fu-boot.git diff --git a/lib/Kconfig b/lib/Kconfig index 884218a3c6..db0915153c 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -14,9 +14,10 @@ config HAVE_PRIVATE_LIBGCC config USE_PRIVATE_LIBGCC bool "Use private libgcc" depends on HAVE_PRIVATE_LIBGCC + default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS) help This option allows you to use the built-in libgcc implementation - of U-boot instead of the one privided by the compiler. + of U-Boot instead of the one provided by the compiler. If unsure, say N. config SYS_HZ @@ -27,14 +28,15 @@ config SYS_HZ get_timer() must operate in milliseconds and this option must be set to 1000. -config SYS_VSNPRINTF - bool "Enable safe version of sprintf()" +config USE_TINY_PRINTF + bool "Enable tiny printf() version" help - Since sprintf() can overflow its buffer, it is common to use - snprintf() instead, which knows the buffer size and can avoid - overflow. However, this does increase code size slightly (for - Thumb-2, about 420 bytes). Enable this option for safety when - using sprintf() with data you do not control. + 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 REGEX bool "Enable regular expression support" @@ -50,10 +52,46 @@ config LIB_RAND help This library provides pseudo-random number generator functions. +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 envrionments even this may be too big. Enable this + option to reduce code size slightly at the cost of some speed. + +config RBTREE + bool + 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 + bool "Trusted Platform Module (TPM) Support" + depends on 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 "Hashing Support" config SHA1 @@ -88,6 +126,30 @@ 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 + +endmenu + +menu "Compression Support" + +config LZ4 + bool "Enable LZ4 decompression support" + help + If this option is set, support for LZ4 compressed images + is included. The LZ4 algorithm can run in-place as long as the + compressed image is loaded to the end of the output buffer, and + trades lower compression ratios for much faster decompression. + + NOTE: This implements the release version of the LZ4 frame + format as generated by default by the 'lz4' command line tool. + This is not the same as the outdated, less efficient legacy + frame format currently (2015) implemented in the Linux kernel + (generated by 'lz4 -l'). The two formats are incompatible. + +config LZO + bool endmenu config ERRNO_STR @@ -98,6 +160,74 @@ 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 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 + 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" + 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 + 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 + default n + 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 endmenu