On 10:47 Fri 14 Oct , Ilias Biris wrote:
> Hi folks
>
> https://wiki.linaro.org/OfficeofCTO/BootArchitecture/2011-10-13 has the
> meeting minutes from yesterday's discussion. I have summarised below the
> highlights and Actions recorded in the etherpad.
>
> -----
> = Highlights =
> We discussed the short term pain points, which should be possible to
> address via some engineering work - priorities were discussed here is
> where the discussion was left at the end of the meeting
>
> RANKING
> - Rob's top two: 1) zImage support in u-boot. 2) How does the OS change
> which kernel gets booted.
I would like t prpose to use a DTB for this
I implement a RFC on Barebox that can be tested on PC
This is not a replacement of the uImage FIT but a way to provide multiple
kernel with different config
http://git.jcrosoft.org/git?p=barebox.git;a=shortlog;h=refs/heads/boot_menu
I attached an example fo dts
Best Regards,
J.
/dts-v1/;
/ {
data {
kernel@1 {
format = "uimage";
dev = "sda1";
fs = "ext3";
path = "/boot/uImage-2.6.36";
};
initrd@1 {
dev = "sda1";
fs = "ext3";
path = "/boot/initrd-2.6.36";
};
kernel@2 {
format = "zimage";
dev = "sda1";
fs = "ext3";
path = "/boot/zImage-2.6.39";
};
initrd@2 {
dev = "sda1";
fs = "ext3";
path = "/boot/initrd-2.6.39";
};
kernel@3 {
format = "uimage";
dev = "sda1";
fs = "ext3";
path = "/boot/uImage-3.0.0";
};
initrd@3 {
dev = "sda1";
fs = "ext3";
path = "/boot/inird-3.0.0";
};
fdt@3 {
dev = "sda1";
fs = "ext3";
path = "boot/usb_a9g20.dtb";
};
kernel@4 {
format = "uimage";
dev = "sda3";
fs = "squashfs";
path = "/boot/uImage-installer-3.0.0";
};
initrd@4 {
dev = "sda3";
fs = "squashfs";
path = "/boot/initrd-installer-3.0.0";
};
};
configuration {
description = "Welcome on Barebox Boot Sequence";
default = "linux_3_0_0";
altboot = "installer";
bootdelay = <5>;
splash = /incbin/("splash_menu.bmp");
linux_2_6_36 {
description = "Linux 2.6.36";
cmdline = "mem=64M console=ttyS0,115200 root=/dev/sda2
rw rootfstype=ext3";
kernel = "kernel@1";
initrd = "initrd@1";
};
linux_2_6_39 {
description = "Linux 2.6.39";
cmdline = "mem=64M console=ttyS0,115200 root=/dev/sda2
rw rootfstype=ext3";
kernel = "kernel@2";
initrd = "initrd@2";
};
linux_3_0_0 {
description = "Linux 3.0.0";
cmdline = "mem=64M console=ttyS0,115200 root=/dev/sda2
rw rootfstype=ext3";
kernel = "kernel@3";
initrd = "initrd@3";
fdt = "fdt@4";
};
installer {
description = "Installer Linux 3.0.0";
cmdline = "mem=64M console=ttyS0,115200 root=/dev/sda4
ro rootfstype=squashfs";
splash = /incbin/("splash_installer.bmp");
kernel = "kernel@4";
initrd = "initrd@4";
};
};
};
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