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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: |
Tue, 6 Apr 2010 02:44:09 +0400 (MSD) |
User-agent: |
Alpine 2.00 (LNX 1167 2008-08-23) |
On Mon, 5 Apr 2010, Alexander Graf wrote:
>
> On 05.04.2010, at 14:41, malc wrote:
>
> > 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.
>
> Test what exactly? Booting random guests with TCG on PPC?
Booting 64 bit guests with 32 bit ppc hosts specifically.
[Testing whether 64bit host still works would be nice too, thanks]
--
mailto:address@hidden
- [Qemu-devel] [Applied PATCH] Split TLB addend and target_phys_addr_t, Paul Brook, 2010/04/04
- Re: [Qemu-devel] [Applied PATCH] Split TLB addend and target_phys_addr_t, malc, 2010/04/05
- Re: [Qemu-devel] [Applied PATCH] Split TLB addend and target_phys_addr_t, Alexander Graf, 2010/04/05
- Re: [Qemu-devel] [Applied PATCH] Split TLB addend and target_phys_addr_t,
malc <=
- Re: [Qemu-devel] [Applied PATCH] Split TLB addend and target_phys_addr_t, Alexander Graf, 2010/04/07
- Re: [Qemu-devel] [Applied PATCH] Split TLB addend and target_phys_addr_t, Alexander Graf, 2010/04/07
- Re: [Qemu-devel] [Applied PATCH] Split TLB addend and target_phys_addr_t, malc, 2010/04/07
- Re: [Qemu-devel] [Applied PATCH] Split TLB addend and target_phys_addr_t, Alexander Graf, 2010/04/07
- Re: [Qemu-devel] [Applied PATCH] Split TLB addend and target_phys_addr_t, malc, 2010/04/17