Paul Brook wrote: > > > Note, that does not readily work - this is where we load the > > > compressed kernel image and initrd, but what matters is the size it > > > gets uncompressed to. > > > > I think what matters is the space taken by (uncompressed and loaded) > > kernel ALLOC segments. Everything above that should be ok to load a > > ramdisk. > > > > IOW, the ELF loader would need to return the topmost address it came > > across, including .bss-like parts. The up-aligned value would become > > the initrd load address. > > That only works if qemu is loading the uncomplressed ELF vmlinux image > directly. In most cases it will be loading a binary blob (or ELF file) of the > compressed zImage. In this case it has no way of telling how big the final > kernel ALLOC sections are.
Right, a piggyback-style loader would likely fail in that case. Thiemo
