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Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes
From: |
Gleb Natapov |
Subject: |
Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes |
Date: |
Mon, 25 Jul 2011 16:17:28 +0300 |
On Mon, Jul 25, 2011 at 04:14:45PM +0300, Avi Kivity wrote:
> On 07/25/2011 04:07 PM, Anthony Liguori wrote:
> >On 07/20/2011 11:50 AM, Avi Kivity wrote:
> >>The current implementation of PAM and the PCI holes is broken in several
> >>ways:
> >>
> >> - PCI BARs are not restricted to the PCI hole (a BAR may hide memory)
> >
> >Technically, a BAR can be mapped to any non-RAM memory location.
>
> I understood TOM (Top Of Memory) to be fixed - can't find a register
> for it - but maybe I misread the spec.
>
PIIX3 spec:
2.2.11. TOM—TOP OF MEMORY REGISTER (Function 0)
Address Offset: 69h
Default Value: 02h
Attribute: Read/Write
--
Gleb.
- [Qemu-devel] [RFC v5 35/86] rtl8139: convert to memory API, (continued)
- [Qemu-devel] [RFC v5 35/86] rtl8139: convert to memory API, Avi Kivity, 2011/07/20
- [Qemu-devel] [RFC v5 57/86] pci: convert pci rom to memory API, Avi Kivity, 2011/07/20
- [Qemu-devel] [RFC v5 64/86] apic: convert to memory API, Avi Kivity, 2011/07/20
- [Qemu-devel] [RFC v5 65/86] arm_gic: convert to memory API, Avi Kivity, 2011/07/20
- [Qemu-devel] [RFC v5 61/86] pci: remove support for pre memory API BARs, Avi Kivity, 2011/07/20
- [Qemu-devel] [RFC v5 45/86] lsi53c895a: convert to memory API, Avi Kivity, 2011/07/20
- [Qemu-devel] [RFC v5 63/86] apb_pci: convert to memory API, Avi Kivity, 2011/07/20
- [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes, Avi Kivity, 2011/07/20
- Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes, Anthony Liguori, 2011/07/25
- Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes, Avi Kivity, 2011/07/25
- Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes,
Gleb Natapov <=
- Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes, Avi Kivity, 2011/07/25
- Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes, Gleb Natapov, 2011/07/25
- Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes, Avi Kivity, 2011/07/25
- Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes, Gleb Natapov, 2011/07/25
- Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes, Avi Kivity, 2011/07/25
- Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes, Anthony Liguori, 2011/07/25
- Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes, Gleb Natapov, 2011/07/25
- Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes, Avi Kivity, 2011/07/25
- Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes, Anthony Liguori, 2011/07/25
- Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes, Avi Kivity, 2011/07/25