svn commit: r208850 - projects/ppc64/sys/powerpc/include

Marcel Moolenaar xcllnt at mac.com
Sat Jun 5 22:44:08 UTC 2010


On Jun 5, 2010, at 1:41 PM, Nathan Whitehorn wrote:

> Author: nwhitehorn
> Date: Sat Jun  5 20:41:22 2010
> New Revision: 208850
> URL: http://svn.freebsd.org/changeset/base/208850
> 
> Log:
>  BUS_SPACE_UNRESTRICTED is a flag, not an address, so it should be an int,
>  not a long.

This probably isn't right. How would you distinguish between a 32-bit
maximum of and unlimited if both can have the value 0xFFFFFFFF.
Making BUS_SPACE_UNRESTRICTED a long prevents zero-extension to 64-bit
and thus prevents this ambiguity.

-- 
Marcel Moolenaar
xcllnt at mac.com





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