On Mon, Feb 11, 2019 at 11:08:00AM +0100, Borislav Petkov wrote: >On Mon, Feb 11, 2019 at 05:30:33PM +0800, Chao Fan wrote: >> Yes, I download your ovmf file in linux-build-test/rootfs/firmware/ from >> your link. There are two files, efi32 and efi64. Then I try to run: > >You need both OVMF-pure-efi-32.fd and rootfs.squashfs from the repo. And >then this works here. Just put the script below and the two files in a >directory and point to the kernel where you're building with -kernel. > >--- >#!/bin/bash > >qemu-system-x86_64 -kernel ~/kernel/linux/arch/x86/boot/bzImage -M q35 -cpu SandyBridge \ > -no-reboot -snapshot -smp 1 \ > -gdb tcp::1235 \ > -bios OVMF-pure-efi-32.fd \ > -m 1G \ > -net nic,model=rtl8139,macaddr=12:34:56:78:12:34 \ > -usb -device usb-storage,drive=d0 \ > -drive file=rootfs.squashfs,if=none,id=d0,format=raw \ > --append 'earlycon=uart8250,io,0x3f8,9600n8 root=/dev/sda rootwait panic=-1 earlyprintk=ttyS0,115200,keep console=ttyS0,115200' \ > -monitor pty \ > -serial file:log > >I've added some options for debugging. So many thanks! Since I learn much about how to debug kernel code before start_kernel(). I only tried to debug code after start_kernel(). Seems you can debug the code in compressed code. Thanks, Chao Fan > >-- >Regards/Gruss, > Boris. > >SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) > >
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