Re: Booting CLFS with qemu-system-riscv64

On 2024/10/15 15:10, Xi Ruoyao ([email protected] via lfs-support 
Mailing List) wrote:
> On Tue, 2024-10-15 at 14:17 +0800, NakanoMiku wrote:
>
> /* snip */
>
>> error: cannot load image.
> I can see two possibilities here:
>
> 1. The grub.cfg file is not correctly written.  I cannot verify because
> you didn't send the content of the file and the partitioning scheme of
> your virtual disk.
>
> [Personally I don't like a separate /boot and I don't use it in the
> recent years, but it's still how the book's grub.cfg is assuming.  If
> you don't have a separate /boot you'll need to use "linux /boot/vmlinuz-
> ..." instead of "linux /vmlinuz-...".]
>
> 2. You've copied a wrong kernel file.  On UEFI grub needs a kernel with
> EFI stub, i.e. the bootable image should be a PE executable:
>
> $ file /boot/vmlinuz-6.10.2
> /boot/vmlinuz-6.10.2: PE32+ executable (EFI application) Aarch64
> (stripped to external PDB), for MS Windows, 2 sections
>
> [This is a kernel for AArch64 instead of RISC-V, as I (or maybe the
> world) don't have an RISC-V UEFI board and I hate developing things
> solely depending on an emulator.]
>
> Instead of:
>
> $ file ~/git-repos/linux/vmlinux
> /home/xry111/git-repos/linux/vmlinux: ELF 64-bit LSB pie executable, ARM
> aarch64, version 1 (SYSV), statically linked,
> BuildID[sha1]=597d3d1ed221ac095c5a1539c19242fd537ddbf3, not stripped
>
>
I'm pasting my grub.cfg below(I commented out initrd since it reported a 
FDT update failure):

# Begin /boot/grub/grub.cfg
set default=0
set timeout=5

insmod part_gpt
insmod ext2
set root=(hd0,2)

insmod efi_gop
insmod efi_uga
if loadfont /boot/grub/fonts/unicode.pf2; then
   terminal_output gfxterm
   fi

menuentry "GNU/Linux, Linux 6.10.5-lfs-12.2" {
   linux   /vmlinuz root=/dev/loop0p3 ro
   # initrd /initrd.img-no-kmods
   }

menuentry "Firmware Setup" {
   fwsetup
}


I had my kernel file in following format:

file /mnt/temp/boot/vmlinuz
/mnt/temp/boot/vmlinuz: PE32+ executable (EFI application) RISC-V 64-bit 
(stripped to external PDB), for MS Windows, 2 sections


These are my partitions:

/dev/loop0p3     38G   27G  9.5G  74% /mnt/temp
/dev/loop0p2    459M   51M  379M  12% /mnt/temp/boot
/dev/loop0p1     99M  997K   98M   1% /mnt/temp/boot/efi

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