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Re: [Qemu-devel] [PATCH] hw/pl181.c: Add save/load support

From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH] hw/pl181.c: Add save/load support
Date: Tue, 20 Dec 2011 11:07:07 +0000

On 20 December 2011 10:55, Avi Kivity <address@hidden> wrote:
> On 12/20/2011 12:01 AM, Peter Maydell wrote:
>> Add save/load support to the PL181.
>> +        VMSTATE_INT32(linux_hack, pl181_state),
> Is this real state?

Depends what you mean by "real state". It doesn't necessarily
correspond to a flipflop in the hardware implementation, but
it's definitely state in our implementation. (Conversely,
the hardware implementation has state which our s/w one does
not, most notably we don't use the command and data state
machine approach the hardware has.)

> Can't it be recovered somehow from other state?


-- PMM

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