RE: Bus space handle type for mips

["Paul Koning" <Paul_Koning%Dell.com@localhost>]

> To some extent mips addresses are signed; in particular I believe the
> mapping of the 32-bit address space into the 64-bit address space is
> signed, in the sense of using sign extension for addresses 0x80000000
> to 0xffffffff. (Someone who's actually touched mips64 can probably
> confirm or refute this instantly.)

That's exactly correct.  To convert a 32 bit address to the equivalent
64 bit address, you sign-extend it.

        paul