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* io.h: read/write[bwl] should use barrierKevin O'Connor2017-02-021-3/+13
| | | | | | | Add barrier() calls to low-level read/write io calls so that their callers don't need to. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* generic: Add new file generic/io.h and move read/writeb() to itKevin O'Connor2016-06-131-0/+25
Move the definitions of the readb() style functions to a new header generic/io.h. This eliminates the dependency of stdint.h on compiler.h. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>