Commit edc1ba7a authored May 05, 2014 by Fam Zheng Committed by Michael Tokarev May 07, 2014

docs/memory.txt: Fix document on MMIO operations



.impl.valid should be .impl.unaligned and the description needs some
fixes.

.old_portio is removed since commit b40acf99 (ioport: Switch
dispatching to memory core layer).

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

parent 307b2f01

docs/memory.txt

+5 −5

Original line number	Diff line number	Diff line
		@@ -232,8 +232,8 @@ various constraints can be supplied to control how these callbacks are called:
		(in bytes) supported by the implementation; other access sizes will be
		emulated using the ones available. For example a 4-byte write will be
		emulated using four 1-byte writes, if .impl.max_access_size = 1.
		- .impl.valid specifies that the implementation only supports unaligned
		accesses; unaligned accesses will be emulated by two aligned accesses.
		- .old_portio and .old_mmio can be used to ease porting from code using
		cpu_register_io_memory() and register_ioport(). They should not be used
		in new code.
		- .impl.unaligned specifies that the implementation supports unaligned
		accesses; if false, unaligned accesses will be emulated by two aligned
		accesses.
		- .old_mmio can be used to ease porting from code using
		cpu_register_io_memory(). It should not be used in new code.

include/exec/memory.h

+1 −1

File changed.

Contains only whitespace changes.