Lesson1
The wiki is being retired!
Documentation is now handled by the same processes we use for code: Add something to the Documentation/ directory in the coreboot repo, and it will be rendered to https://doc.coreboot.org/. Contributions welcome!
coreboot lesson 1 - Starting from scratch
From a fresh ubuntu 15.10 linux install, here are all the steps required:
Download, configure, and build coreboot
Install tools and libraries needed for coreboot
$ sudo apt-get install git-core libncurses5-dev m4 bison flex
Download coreboot source tree:
$ git clone http://review.coreboot.org/coreboot $ cd coreboot
build toolchain (This can take a significant amount of time)
$ make crossgcc-i386 CPUS=$(nproc)
configure mainboard to build coreboot
$ make menuconfig select 'Mainboard' select 'Mainboard model' select 'QEMU x86 i440fx/piix4' exit exit yes
check your configuration:
$ make savedefconfig $ cat defconfig
There should only be one line:
CONFIG_BOARD_EMULATION_QEMU_X86_I440FX=y
build coreboot:
$ make
Test the image using QEMU
Install QEMU
$ sudo apt-get install qemu
Download and decompress a disk image:
$ wget http://wiki.qemu.org/download/linux-0.2.img.bz2 $ bunzip2 linux-0.2.img.bz2
Start QEMU:
$ qemu-system-x86_64 -bios build/coreboot.rom -hda linux-0.2.img -serial stdio
You should see the serial output of coreboot in the original console window, and a new window will appear with the linux image that was downloaded running in it.