Re: [Qemu-devel] [PATCH v2] mips_malta: support up to 2GiB RAM

2013-09-09 Thread Aurelien Jarno
On Fri, Sep 06, 2013 at 01:57:44PM +0100, Paul Burton wrote: > A Malta board can support up to 2GiB of RAM. Since the unmapped kseg0/1 > regions are only 512MiB large & the latter 256MiB of those are taken up > by the IO region, access to RAM beyond 256MiB must be done through a > mapped region. In

[Qemu-devel] [PATCH v2] mips_malta: support up to 2GiB RAM

2013-09-06 Thread Paul Burton
A Malta board can support up to 2GiB of RAM. Since the unmapped kseg0/1 regions are only 512MiB large & the latter 256MiB of those are taken up by the IO region, access to RAM beyond 256MiB must be done through a mapped region. In the case of a Linux guest this means we need to use highmem. The ma