Hello Sascha,
I took a small look at it, apparently there's attempts at a gcc toolchain necessary for compiling this. And yes it has its own development environment.I think there is interest in EFI support. It's a good thing to implement a standard boot concept. It could be used on ARM aswell. The really bad thing about EFI is that it requires runtime services to access the EFI variables from the kernel. For this the kernel calls back into bootloader code. This concept stinks. The kernel should access the variables natively (With some data structure kernel and bootloader agree about). I recently heard someone going into that direction, just can't remember who it was.
http://wiki.osdev.org/UEFI http://sourceforge.net/projects/gnu-efi/ I might get to that some day, its not on my immediate list as yet.
I was thinking using VESA VBE for this. Maybe looking at the linux kernel code may help here, as VESA VBE seems to have graphical/text modes, having a framebuffer driver on barebox/x86 would be nice.I don't know either. Do you want to do framebuffer console support aswell? That might be difficult.
This will be next after the keyboard driver. Michel On 04/10/2014 07:52 AM, Sascha Hauer wrote:
On Sun, Apr 06, 2014 at 04:32:19PM +0200, Michel Stam wrote:Hello Antony, Interesting idea- I wonder if its difficult given that U-boot is already supported? Personally I have no experience with coreboot, the systems I test on are industrial x86 SBCs with their own BIOS. I suppose it is oossible, maybe we can borrow code from u-boot. Another thing along the sane lines that crossed my mind is EFI support for barebox, I wonder if theres interest in that?I think there is interest in EFI support. It's a good thing to implement a standard boot concept. It could be used on ARM aswell. The really bad thing about EFI is that it requires runtime services to access the EFI variables from the kernel. For this the kernel calls back into bootloader code. This concept stinks. The kernel should access the variables natively (With some data structure kernel and bootloader agree about). I recently heard someone going into that direction, just can't remember who it was.Next on my list is keyboard/VGA, maybe VESA support if I have the time. I would like to see a console, possibly a framebuffer driver. No idea how difficult that will be.I don't know either. Do you want to do framebuffer console support aswell? That might be difficult. Sascha
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