Messages in this thread | | | Date | Sun, 06 Jan 2002 20:27:34 +0100 | From | Laurent Guerby <> | Subject | Re: [PATCH] C undefined behavior fix |
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> In the Linux case mmio isn't a problem. The rules for mmio in the portable > code require you use architecture dependant macros (readb etc) and that > the mmio space is mapped via ioremap.
I haven't done my homework, but I assume the code behind readb use inline assembly and not C on most platforms?
May be GNU C could get some of the idea behind the Linux macros to define the needed extension (portable within GNU C architectures wherever possible).
-- Laurent Guerby <guerby@acm.org>
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