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2024-10-14mbedtls: add mbedtls into the build systemRaymond Mao
Port mbedtls with adapted libc header files. Add mbedtls default config header file. Optimize mbedtls default config by disabling unused features to reduce the target size. Add mbedtls kbuild makefile. Add Kconfig skeleton and config submenu entry for selecting crypto libraries between mbedtls and legacy ones. Add the mbedtls include directories into the build system. Port u-boot hash functions as MbedTLS crypto alternatives and set it as default. Subsequent patches will separate those Kconfigs into pairs of _LEGACY and _MBEDTLS for controlling the implementations of legacy crypto libraries and MbedTLS ones respectively. The motivation of moving and adapting *INT* macros from kernel.h to limits.h is to fulfill the MbedTLS building requirement. The conditional compilation statements in MbedTLS expects the *INT* macros as constant expressions, thus expressions like `((int)(~0U >> 1))` will not work. Prerequisite ------------ This patch series requires mbedtls git repo to be added as a subtree to the main U-Boot repo via: $ git subtree add --prefix lib/mbedtls/external/mbedtls \ https://github.com/Mbed-TLS/mbedtls.git \ v3.6.0 --squash Moreover, due to the Windows-style files from mbedtls git repo, we need to convert the CRLF endings to LF and do a commit manually: $ git add --renormalize . $ git commit Signed-off-by: Raymond Mao <raymond.mao@linaro.org>
2018-05-07SPDX: Convert all of our single license tags to Linux Kernel styleTom Rini
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
2014-10-27Add some standard headers external code might needGabe Black
inttypes.h defines format specifiers for printf which work with data types of particular sizes. stdlib.h is currently just a passthrough to malloc.h which has declarations of the various *alloc functions. Add the required #define to common.h so that these printf format specifiers will be made available. Signed-off-by: Gabe Black <gabeblack@google.com> Reviewed-by: Gabe Black <gabeblack@chromium.org> Tested-by: Gabe Black <gabeblack@chromium.org> Reviewed-by: Bill Richardson <wfrichar@google.com> Signed-off-by: Simon Glass <sjg@chromium.org> (Replaced with a GPL version from glibc)