NetBSD 6.1.5 - man page for arm_drain_writebuf (netbsd section 2)
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ARM_DRAIN_WRITEBUF(2) BSD System Calls Manual ARM_DRAIN_WRITEBUF(2)
arm_drain_writebuf -- drains the CPU write buffer
ARM Architecture Library (libarm, -larm)
arm_drain_writebuf() will make sure that all the entries in the processor write buffer are
written out to memory.
Not all processors support this operation (currently only the SA110). Those processes that
do not treat this function as a null-op.
arm_drain_writebuf() will never fail so will always return 0.
StrongARM Data Sheet
BSD March 29, 2002 BSD
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