On Wed, 22 Jun 2022 at 06:07, Alex Bennée <alex.ben...@linaro.org> wrote: > Richard Henderson <richard.hender...@linaro.org> writes: > > The symptom is an early-ish crash booting the linux kernel -- without > > earlycon there is no output at all. Reproducing it requires both > > -bios QEMU_EFI.fd and -kernel Image.gz. Using only one of the two > > options works. > > What should the combination of the two options mean? Usually the > firmware loads the kernel and -kernel is a shortcut hack to avoid the > firmware setup. If you specify both does the firmware still run but > somehow find the kernel mapped in memory?
It's like x86 -- it means "load the BIOS image, and provide the kernel/initrd via the fw_cfg device, so that a QEMU-aware BIOS can read the supplied kernel/initrd from fw_cfg and boot them". thanks -- PMM
