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Re: Emulation for riscv
From: |
Alistair Francis |
Subject: |
Re: Emulation for riscv |
Date: |
Thu, 22 Oct 2020 17:56:38 -0700 |
On Thu, Oct 22, 2020 at 4:58 PM Moises Arreola <moyarrezam@gmail.com> wrote:
>
> Hello everyone, my name is Moses and I'm trying to set up a VM for a risc-v
> processor, I'm using the Risc-V Getting Started Guide and on the final step
> I'm getting an error while trying to launch the virtual machine using the cmd:
Hello,
Please don't use the RISC-V Getting Started Guide. Pretty much all of
the information there is out of date and wrong. Unfortunately we are
unable to correct it.
The QEMU wiki is a much better place for information:
https://wiki.qemu.org/Documentation/Platforms/RISCV
>
> sudo qemu-system-riscv64 -nographic -machine virt \
> -kernel linux/arch/riscv/boot/Image -append "root=/dev/vda ro console=ttyS0" \
> -drive file=busybox,format=raw,id=hd0 \
> -device virtio-blk-device,drive=hd0
>
> But what I get in return is a message telling me that the file I gave wasn't
> the right one, the actual output is:
>
> qemu-system-riscv64: -drive file=busybox,format=raw,id=hd0: A regular file
> was expected by the 'file' driver, but something else was given
>
> And I checked the file busybox with de cmd "file" and got the following :
> busybox: ELF 64-bit LSB executable, UCB RISC-V, version 1 (SYSV), dynamically
> linked, interpreter /lib/ld-linux-riscv64-lp64d.so.1, for GNU/Linux 4.15.0,
> stripped
That looks like an ELF, which won't work when attached as a drive.
How are you building this rootFS?
Alistair
>
> So I was wondering if the error message was related to qemu.
> Thanks in advance for answering any suggestions are welcome