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Re: [Qemu-devel] [Applied PATCH] Split TLB addend and target_phys_addr_t


From: malc
Subject: Re: [Qemu-devel] [Applied PATCH] Split TLB addend and target_phys_addr_t
Date: Mon, 5 Apr 2010 16:41:19 +0400 (MSD)
User-agent: Alpine 2.00 (LNX 1167 2008-08-23)

On Mon, 5 Apr 2010, Paul Brook wrote:

> I think I got all the tcg backend bits right, but can't test most of them. 
> Please test and report any problems.
> 
> Historically the qemu tlb "addend" field was used for both RAM and IO 
> accesses,
> so needed to be able to hold both host addresses (unsigned long) and guest
> physical addresses (target_phys_addr_t).  However since the introduction of
> the iotlb field it has only been used for RAM accesses.
> 
> This means we can change the type of addend to unsigned long, and remove
> associated hacks in the big-endian TCG backends.
> 
> We can also remove the host dependence from target_phys_addr_t.
> 
> Signed-off-by: Paul Brook <address@hidden>

PPC32 seems to be operational.

Alexander: Can you please test it a bit more thoroughly, my PPCs are a bit
           on the slow side.

[..snip..]

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