On Tue, Apr 25, 2023 at 07:00:21PM +0200, Valentin Caracalla wrote: >Hello Steve, > >thanks a lot for the tip! However, I'm a complete novice when it comes to >running custom firmware in QEMU. I just tried the following: > >1.: Download the latest EDK2 release from Github: > >https://github.com/tianocore/edk2/archive/refs/tags/edk2-stable202302.tar.gz > >2.: Extract the OVMF firmware file: > >tar xz edk2-edk2-stable202302/OvmfPkg/OvmfPkgX64.fdf ><Downloads/edk2-edk2-stable202302.tar.gz >3.: Try to run it with QEMU: > >sudo qemu-system-x86_64 -accel kvm -bios >edk2-edk2-stable202302/OvmfPkg/OvmfPkgX64.fdf -smp 2 -m 2G /dev/sda >This will just give me a QEMU error message ("could not load PC BIOS"). Is it >possible to boot an EFI system with QEMU without downloading a custom firmware >file, i.e. is there a Debian package providing this functionality?
My local test scripts for UEFI boot do other things too, but I add the following: -pflash <OVMF image> -pflash <vars image> where I copy matching images from /usr/share/OVMF in the ovmf package. See the file /usr/share/doc/ovmf/README.Debian for what the different files offer (secure boot, etc.). -- Steve McIntyre, Cambridge, UK. st...@einval.com "Yes, of course duct tape works in a near-vacuum. Duct tape works anywhere. Duct tape is magic and should be worshipped." -― Andy Weir, "The Martian"
