Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 07/25/2011 04:17 PM, Gleb Natapov wrote:
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


What's it doing in PIIX3?  Is it the same TOM?

--
error compiling committee.c: too many arguments to function

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux