Hi, Le 18/08/2017 à 11:30, luigi burdo a écrit : > hi Balaton, i can help with amigaos4 for sam . i can test it on P5040 > book3e and on G5 quad book3s machine. note sam for boot amigaos need > a special modified version of uboot that is available on acube > website it is a firmware update. without modified uboot will be not > posdible auto boot amigaos. idont know if is possible use standard > uboot incuded in qemu for boot amigaos from uboot command line. i can > ask help to Enrico Vidale as my FB friend but i dont know if he will > be available for this kind of helping. >
Yes they use their own custom U-Boot, with a lot of changes and code duplication, and added x86 emulation to run a VGA BIOS, and never upstreamed the changes... much like any other vendor, sadly. I once managed to build a binary from their published source code with an old compiler, although it's not exactly the same of the binary used, which I think is actually run with the on-chip RAM or something weird alike. François.