Hi Lists, On Thu, 3 Nov 2022 at 05:11, Lists Nick Betteridge <lists.nick.betteri...@gmail.com> wrote: > > I'm developing on an ubuntu x86 machine, trying to run the u-boot > hello_world standalone application which resides on an image |sd.img| > which contains a partition > > I've compiled u-boot (|v2022.10|) with |qemu-x86_64_defconfig| > > I run qemu with "|qemu-system-x86_64 -m 1024 -nographic -bios u-boot.rom > -drive format=raw,file=sd.img"| > > u-boot starts up, doesn't find a script, doesn't detect tftp, and awaits > a command. If I type |"ext4ls ide 0:1|", I can clearly see > hello_world.bin (|3932704 hello_world.bin|). > > When I do a |ext4load ide 0:1 0x40000 hello_world.bin| (in preparation > for |go 40000 This is another test|), qemu/u-boot restarts. > > 0x40000 is the |CONFIG_STANDALONE_LOAD_ADDR| for x86. > > I have also tried making an image of hello_world |"mkimage -n "Hello > stand alone" -A x86_64 -O u-boot -T standalone -C none -a 0x40000 -d > hello_world.bin -v hello_world.img|" and tried to load the image into > 0x40000 with the intention of using |bootm| in case of cache issues - > qemu/u-boot still resets. > > Could anyone possibly point out the basic mistake I'm making?
Is the app linked to start at that address. Could you try 'dcache off' before the 'go'? Do you have a debugger? Regards, Simon