Which architecture is raspberry pie? I have one here and it would be good if I could use it for testing.
> +#define GRUB_KERNEL_MACHINE_STACK_SIZE 0x40000
> +#define GRUB_KERNEL_MACHINE_HEAP_SIZE (grub_size_t) (2 * 1024 * 1024)
Why so small heap?
> === modified file 'util/grub-install.in'
> --- util/grub-install.in 2013-01-27 15:17:21 +0000
> +++ util/grub-install.in 2013-03-24 13:03:31 +0000
> @@ -319,6 +319,8 @@
> target=i386-pc
> fi
> ;;
> + x"arm"*)
> + target="arm-uboot";;
> *)
> gettext "Unable to determine your platform. Use --target." ;
> echo ;;
> @@ -338,7 +340,7 @@
> if [ x$disk_module = xunspecified ]; then
> disk_module=biosdisk
> fi
> -elif [ "${grub_modinfo_platform}" = "ieee1275" ] || [
> "${grub_modinfo_platform}" = "efi" ] || [ "${grub_modinfo_platform}" = "arc"
> ] ; then
> +elif [ "${grub_modinfo_platform}" = "ieee1275" ] || [
> "${grub_modinfo_platform}" = "efi" ] || [ "${grub_modinfo_platform}" = "arc"
> ] || [ "${grub_modinfo_platform}" = "uboot" ] ; then
> disk_module=
> else
> disk_module=native
> @@ -854,6 +856,14 @@
> -L "$bootloader_id" -l "\\EFI\\$efi_distributor\\$efi_file"
> fi
> fi
> +elif [ x"${grub_modinfo_target_cpu}-${grub_modinfo_platform}" = xarm-uboot
> ]; then
> +
> grub_imgname="${grubdir}/${grub_modinfo_target_cpu}-$grub_modinfo_platform/core.${imgext}"
> + raw_imgname="${uboot_imgname}.raw"
Where is uboot_imgname set?
> + mv "$grub_imgname" "$raw_imgname"
> + mkimage -T kernel -A ARM -O Linux -a 0x08000000 -e 0x08000000 -C none -d
> "$raw_imgname" "$grub_imgname"
Is it from uboot? You need to check for its availability
> @@ -1687,6 +1707,9 @@
> core_size = program_size + header_size + footer_size;
> }
> break;
> + case IMAGE_UBOOT:
> + /* Raw image, header added by grub-install */
> + break;
What is this additional header? Is it just ELF? Why not use ELF codepath?
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