On Wed, Oct 7, 2020 at 10:37 PM Azuk 443 <1898...@bugs.launchpad.net> wrote: > > Public bug reported: > > QEMU Version: 5.1.0 > Compiled in Ubuntu 20.04 for riscv64, following the guide > https://risc-v-getting-started-guide.readthedocs.io/en/latest/linux-qemu.html. > > In qemu-system-riscv64, code at 0x80000000 will be executed by virtual CPU. > For example, using `qemu-system-riscv64 -nographic -machine virt -bios none > -kernel vmlinux -S -s`, my homebrew kernel(ELF file) will load at 0x80000000. > If I strip the kernel using `riscv64-linux-gnu-objcopy -O binary vmlinux > Image`, qemu-system-riscv64 will not load the binary machine code into the > riscv64 load address, but `-bios Image` will.
This is not a bug. As you said, please use `-bios Image` for your special purpose. > > In `qemu-system-aarch64` compiled by Ubuntu team, I can use `qemu- > system-aarch64 -M raspi3 -kernel Image_aarch64 -S -s` to load a specific > machine code binary into 0x80000. And the elf kernel can be loaded to > that address, too. > > ** Affects: qemu > Importance: Undecided > Status: New > Regards, Bin