On 05/09/2011 03:28 PM, Ralf Baechle wrote: > On Mon, Feb 21, 2011 at 07:45:41PM +0000, Richard Sandiford wrote: > >> David Daney <dda...@caviumnetworks.com> writes: >>> Background: >>> >>> Current MIPS 32-bit ABIs (both o32 and n32) are restricted to 2GB of >>> user virtual memory space. This is due the way MIPS32 memory space is >>> segmented. Only the range from 0..2^31-1 is available. Pointer >>> values are always sign extended. >>> >>> Because there are not already enough MIPS ABIs, I present the ... >>> >>> Proposal: A new ABI to support 4GB of address space with 32-bit >>> pointers. >> >> FWIW, I'd be happy to see this go into GCC. > > So am I for the kernel primarily because it's not really a new ABI but > an enhancement of the existing N32 ABI.
Would it work with no kernel changes? Andrew.
