Re: [Qemu-devel] [PATCH 1/2] Allow QEMUMachine to override reset sequencing

[Paolo Bonzini]

Il 02/08/2012 05:50, Benjamin Herrenschmidt ha scritto:
> 
>> >  This sort of stuff is either
>> > (1) hard coded in a firmware/flashrom or (2) built dynamically in
>> > firmware.  Let's not pretend like we're doing this because it's needed
>> > for real hardware.
> Doesn't matter, we do things like -kernel which means pre-loading the
> kernel from qemu, even on x86. That doesn't match real HW either, but
> it's convenient to have. But overall there are real HW reasons to
> control the reset as well so the hook makes sense both ways.

On x86 we do not pre-load the kernel.  Neither the kernel/initramfs and
the option ROM that loads the kernel are written in memory, they are
passed to the guest via fw_cfg.  Then the option ROM is loaded by the
BIOS, and loads the kernel/initramfs.

Paolo