Memory mapped I/O.


Typedefs

typedef implementation_defined os_io_mem_t

Functions

void os_io_memory_barrier (void)

Detailed Description

A set of functions are provided for accessing memory mapped I/O registered of various widths (8, 16, 32 and 64 bit wide registers).

Typedef Documentation

typedef implementation_defined os_io_mem_t

The handle to the start of a memory mapped I/O region.


Function Documentation

void os_io_memory_barrier ( void   ) 

A memory barrier.

This prevents the compilier and CPU from reordering memory accesses across the barrier. i.e., all loads and stores before the barrier are completed before any loads and stores after the barrier.


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