On Mon, Aug 2, 2010 at 1:41 AM, Alexander Graf <ag...@suse.de> wrote:
>
> On 30.07.2010, at 03:48, Hollis Blanchard wrote:
>
>> The PowerPC 4xx SDRAM controller emulation unregisters RAM in its reset
>> callback. However, qemu_system_reset() is now called at initialization
>> time, so RAM is unregistered before starting the guest.
>
> So the registration should be moved to reset now, no? How is the reset 
> different from boot? How did a reset work before?

As far as I can tell, no other platform unregisters and re-registers
memory at reset, so that is a difference between reset and boot.

Maybe I don't understand your other question. Before
qemu_system_reset() was called at initialization time, memory was not
unregistered, and therefore the platform had memory and could boot.

-Hollis
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