On 03/05/2014 08:37 AM, Borislav Petkov wrote: >> >> If the "HdrS" (0x53726448) magic number is not found at offset 0x202, >> the boot protocol version is "old". Loading an old kernel, the >> following parameters should be assumed: >> >> Image type = zImage >> initrd not supported >> Real-mode kernel must be located at 0x90000. >> >> So if it is old version then it is zImage (and not bzImage). So pr_debug() >> message seems to be correct that image one is trying to load is not >> bzImage and this loader will not handle this image. > > Ok, old == zImage, got it. > No, old ? zImage, but you can have a zImage with a newer protocol version, too. There are no load flags in the old protocol. These days the old protocol is interesting mostly because of non-Linux images using the same boot protocol. -hpa
