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.
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
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https://bugs.launchpad.net/bugs/1898883
Title:
qemu-system-riscv64 failed to load binary kernel into memory
Status in QEMU:
New
Bug description:
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.
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.
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