[Qemu-devel] [Bug 808737] Re: No option to load additional binary files from command line in QEMU

[Anup Patel]

I am trying to develop a lightweight hypervisor for ARM Cortex-A8. In my
case I have to load hypervisor elf as kernel and there and number of
other binaries like flattened device tree binary for hypervisor
configuration, guest kernel binary, guest ramdisk, etc.

Currently, I am developing it for Realview PB-A8 board. For loading the
above specified images I have to hack QEMU in hw/arm_boot.c, which is
not a good solution.

In general, I will encounter similar problem for any other architecture
too.

What I wish is that can QEMU have an command option to load a binary file to a 
physical location after system initialization is done and before QEMU starts 
emulating a virtual CPU.
(Note: the command line option will be concerned with physical address and not 
virtual address so in case of x86_64 it does not matter if)

I believe this option can be very handy for OS development and/or
firmware development which require multiple binaries.

Do you think multiboot is suitable for scenario ??

--Anup

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https://bugs.launchpad.net/bugs/808737

Title:
  No option to load additional binary files from command line in QEMU

Status in QEMU:
  New

Bug description:
  There is no command line option like -kerner, or -initrd to load an
  arbitrary binary file to a RAM location when launching QEMU.

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