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The pc_x86_64_efi reference defconfig is targeted towards an EFI
environment but the kernel which comes with it does not enable EFI
support by default.
Booting this defconfig without kernel EFI support on a qemu virtual
machine with EFI firmware resulted in no output to tty1 or ttyS0.
Enabling EFI support in the kernel fixed this and seems saner for an EFI
reference Buildroot defconfig.
Adding CONFIG_EFI to board/pc/linux-extras.config also affects
pc_x86_64_bios_defconfig which doesn't require it, however it was
observed that the extra overhead is small and so this is preferred
rather than having a separate config file.
This was tested with qemu 2.6.0 running with kvm enabled and firmware
EFI v2.60 by EDK II. Also built and verified bios defconfig on the same
setup but with BIOS firmware instead.
Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
Cc: Gustavo Zacarias <gustavo@zacarias.com.ar>
Acked-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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The instructions listed sdcard.img as output image name but
board/pc/genimage-*.cfg generate it named as disk.img instead.
Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Add two new sample defconfigs oriented towards real PC targets.
It adds two variants for BIOS and EFI boot strategy.
On the build side we enable eudev to autoload relevant kernel
modules/support when necessary.
It adds a bunch of drivers and extra filesystem support which is by no
means extensive/complete, mostly geared towards the hardware i've got at
hand to test with.
This is accomplished by adding on top of the Qemu x86_64 kernel sample
config.
Build connman since by using eudev network interfaces get renamed on
boot thus complicating any form of automatic and friendly bringup.
It also makes Wi-Fi configuration/support easier.
In principle these base defconfigs should work just fine for other
storage media != pendrive like sata or ssd disk, however driver support
isn't there quite yet, and pendrive is mostly supported by usb storage
plus the usual usb host controller drivers.
Tested on old Lenovo laptop (BIOS) and Asus Zenbook (EFI).
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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