[libvirt] dynamic DRAM base for ArmVirtQemu
peter.maydell at linaro.org
Fri Oct 13 16:18:59 UTC 2017
On 13 October 2017 at 13:51, Laszlo Ersek <lersek at redhat.com> wrote:
> Another idea is to move *the* system DRAM base to a different guest-phys
> address. (Likely using a different version of the "virt" machine type,
> or even a different machine type entirely.) This would not be compatible
> with current ArmVirtQemu, which hard-codes the system DRAM base in
> several, quite brittle / sensitive, locations. (More on this later --
> that's going to be the larger part of my email anyway.) In order to
> handle the new base in ArmVirtQemu, two approaches are possible: change
> the hard-coded address(es), or cope with the address dynamically.
I strongly don't want to move the DRAM base in the "virt" board.
This is one of the few fixed things we've said that guest code
can rely on without having to fish the information out of the
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