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Thejaswani Putta 3557f12458 libpayload: keyboard: Ignore special keys 
Some special keys emit a prefix scan code 0xE0. We will ignore all
these except for the power button, F12 and cursor keys on drallion.

Media key mapping is set in depthcharge and will be sent to libpayload
keyboard driver. Whichever board requires this change will update its own
media key mapping.

BUG🅱️139511038
TEST=boot in recovery mode, press F12 to go to diagnostic mode and power
button to confirm. Also in recovery mode left arrow, right arrow, up arrow,
down arrow changes the language on the firmware screen.

Change-Id: I1c11939d18391bebe53ca21cf33a096ba369cd56
Signed-off-by: Thejaswani Putta <thejaswani.putta@intel.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36654
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Reviewed-by: Mathew King <mathewk@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
 		2019-11-16 20:44:34 +00:00
3rdparty Update opensbi submodule to upstream master 2019-11-16 20:39:09 +00:00
Documentation Documentation/mb/facebook/fbg1701.md: Update microcode blob 2019-11-15 10:57:07 +00:00
LICENSES LICENSES: Add licenses used in the coreboot repo 2019-10-30 08:23:51 +00:00
configs configs/config.facebook_fbg1701: Add config file 2019-11-08 09:19:03 +00:00
payloads libpayload: keyboard: Ignore special keys 2019-11-16 20:44:34 +00:00
src soc/mediatek/mt8183: Get more space for PreRAM memconsole 2019-11-16 20:43:04 +00:00
util lib/fmap: Add optional pre-RAM cache 2019-11-14 03:30:11 +00:00
.checkpatch.conf .checkpatch.conf: Ignore a few more warnings 2018-08-13 12:23:24 +00:00
.clang-format lint/clang-format: set to 96 chars per line 2019-06-13 20:14:00 +00:00
.editorconfig Add .editorconfig file 2019-09-10 12:52:18 +00:00
.gitignore .gitignore: Add an exception for Kconfig.debug 2019-10-22 12:57:32 +00:00
.gitmodules submodules: Add 3rdparty/amd_blobs 2019-10-31 12:28:38 +00:00
.gitreview
…
AUTHORS Updated AUTHORS file for src/drivers 2019-10-22 12:55:27 +00:00
COPYING
…
MAINTAINERS MAINTAINERS: Add supermicro/x11-lga1151-series 2019-10-17 19:54:15 +00:00
Makefile Makefile.inc: Add a class 'all' to link files in all stage except SMM 2019-10-30 08:26:54 +00:00
Makefile.inc lib/fmap: Add optional pre-RAM cache 2019-11-14 03:30:11 +00:00
README.md README.md: Remove link to deprecated wiki 2019-11-16 20:39:55 +00:00
gnat.adc
…
toolchain.inc Split MAYBE_STATIC to _BSS and _NONZERO variants 2019-08-26 20:56:29 +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.