On Fri, Dec 23, 2011 at 04:15, <[email protected]> wrote: > From: Greg Ungerer <[email protected]> > > Modify the user space access functions to support the ColdFire V4e cores > running with MMU enabled. > > The ColdFire processors do not support the "moves" instruction used by > the traditional 680x0 processors for moving data into and out of another > address space. They only support the notion of a single address space, > and you use the usual "move" instruction to access that. > > Create a new config symbol (CONFIG_CPU_HAS_ADDRESS_SPACES) to mark the > CPU types that support separate address spaces, and thus also support > the sfc/dfc registers and the "moves" instruction that go along with that. > > The code is almost identical for user space access, so lets just use a > define to choose either the "move" or "moves" in the assembler code. > > Signed-off-by: Greg Ungerer <[email protected]> > Acked-by: Matt Waddel <[email protected]> > Acked-by: Kurt Mahan <[email protected]>
Acked-by: Geert Uytterhoeven <[email protected]> Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected] In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe linux-m68k" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
