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Martin Roth 3201e1e68c util/scripts: Add options to update_submodules 
This extends and adds various options to the update_submodules script.

Extensions:
- Add help text
- Add all options, but specifically allow a single repo to be specified,
along with a minimum number of changes instead of being fixed at 10.
- Make it a more formal script with main() and functions
- Show changes in commit message, unless there are > 65 commits.

Options:
-c | --changes <#>     Specify the minimum number of changes to update a repo
-h | --help            Print usage and exit
-R | --repo <dir>      Specify a single repo directory to update
-s | --skipsync        Assume that repos are already synced
-V | --version         Print the version and exit

This does not fix style issues in the original, which will be fixed in
a follow-on commit.

Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: I222103babff7d5f4f8eb02869c598a4e06748a17
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60831
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
 		2022-05-04 13:12:23 +00:00
3rdparty tests: update CMocka to stable-1.1 2022-04-19 13:00:36 +00:00
Documentation Documentation/infra/builders.md: Fix markdown inssues 2022-05-03 19:37:46 +00:00
LICENSES treewide: Remove trailing whitespace 2021-02-17 17:30:05 +00:00
configs src/mainboard/emulation/qemu-power9/*: add QEMU POWER9 mainboard 2022-02-11 20:14:55 +00:00
payloads payloads/depthcharge: enable LP_CHROMEOS in depthcharge 2022-04-19 13:03:00 +00:00
spd spd/lp5: Add new part MT62F2G32D8DR-031 2022-03-10 15:16:52 +00:00
src mb/ocp, soc/intel/xeon_sp: Use common ASL POST defines 2022-05-04 13:11:21 +00:00
tests lib: Check for non-existent DIMMs in check_if_dimm_changed 2022-04-20 06:57:21 +00:00
util util/scripts: Add options to update_submodules 2022-05-04 13:12:23 +00:00
.checkpatch.conf checkpatch.conf: Disable gerrit change ID for coreboot 2022-04-12 20:39:50 +00:00
.clang-format
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.editorconfig
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.gitignore .gitignore: Ignore .test/.dependencies globally 2020-10-31 18:21:36 +00:00
.gitmodules tests: update CMocka to stable-1.1 2022-04-19 13:00:36 +00:00
.gitreview
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.mailmap .mailmap: Add a .mailmap file for git 2022-03-08 18:53:47 +00:00
AUTHORS AUTHORS, util/: Drop individual copyright notices 2020-05-09 21:21:32 +00:00
COPYING
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MAINTAINERS MAINTAINERS: Add myself as maintainer of mc_ehl boards 2022-04-29 13:14:24 +00:00
Makefile Makefile: Clean up old targets 2022-03-31 17:37:59 +00:00
Makefile.inc Makefile.inc: Add fmap_config.h as a dependency to cbfs-struct generation 2022-04-20 10:08:33 +00:00
README.md
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gnat.adc treewide: Remove "this file is part of" lines 2020-05-11 17:11:40 +00:00
toolchain.inc build system: immediately report what users are supposed to look into 2021-10-18 16:39:25 +00:00

README.md

coreboot README

coreboot is a Free Software project aimed at replacing the proprietary BIOS (firmware) found in most computers. coreboot performs a little bit of hardware initialization and then executes additional boot logic, called a payload.

With the separation of hardware initialization and later boot logic, coreboot can scale from specialized applications that run directly firmware, run operating systems in flash, load custom bootloaders, or implement firmware standards, like PC BIOS services or UEFI. This allows for systems to only include the features necessary in the target application, reducing the amount of code and flash space required.

coreboot was formerly known as LinuxBIOS.

Payloads

After the basic initialization of the hardware has been performed, any desired "payload" can be started by coreboot.

See https://www.coreboot.org/Payloads for a list of supported payloads.

Supported Hardware

coreboot supports a wide range of chipsets, devices, and mainboards.

For details please consult:

Build Requirements

  • make
  • gcc / g++ Because Linux distribution compilers tend to use lots of patches. coreboot does lots of "unusual" things in its build system, some of which break due to those patches, sometimes by gcc aborting, sometimes - and that's worse - by generating broken object code. Two options: use our toolchain (eg. make crosstools-i386) or enable the ANY_TOOLCHAIN Kconfig option if you're feeling lucky (no support in this case).
  • iasl (for targets with ACPI support)
  • pkg-config
  • libssl-dev (openssl)

Optional:

  • doxygen (for generating/viewing documentation)
  • gdb (for better debugging facilities on some targets)
  • ncurses (for make menuconfig and make nconfig)
  • flex and bison (for regenerating parsers)

Building coreboot

Please consult https://www.coreboot.org/Build_HOWTO for details.

Testing coreboot Without Modifying Your Hardware

If you want to test coreboot without any risks before you really decide to use it on your hardware, you can use the QEMU system emulator to run coreboot virtually in QEMU.

Please see https://www.coreboot.org/QEMU for details.

Website and Mailing List

Further details on the project, a FAQ, many HOWTOs, news, development guidelines and more can be found on the coreboot website:

https://www.coreboot.org

You can contact us directly on the coreboot mailing list:

https://www.coreboot.org/Mailinglist

Copyright and License

The copyright on coreboot is owned by quite a large number of individual developers and companies. Please check the individual source files for details.

coreboot is licensed under the terms of the GNU General Public License (GPL). Some files are licensed under the "GPL (version 2, or any later version)", and some files are licensed under the "GPL, version 2". For some parts, which were derived from other projects, other (GPL-compatible) licenses may apply. Please check the individual source files for details.

This makes the resulting coreboot images licensed under the GPL, version 2.