Re: Booting CLFS with qemu-system-riscv64

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

-- 
Xi Ruoyao <[email protected]>
School of Aerospace Science and Technology, Xidian University

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