Implement bus_space_subregion(). Identical to i386.

Approved by: re (carte blanc)

This commit is contained in:

Marcel Moolenaar

2002-11-29 20:14:03 +00:00

parent ddc6d86ca3

commit 4ea25f94be

1 changed files with 8 additions and 3 deletions

									
										sys/ia64/include/bus.h
									
		+8
		-3
	
												View File
												
				@@ -131,9 +131,14 @@ void	bus_space_unmap(bus_space_tag_t t, bus_space_handle_t bsh,

				 * Get a new handle for a subregion of an already-mapped area of bus space.

				 */

				int	bus_space_subregion(bus_space_tag_t t, bus_space_handle_t bsh,

							    bus_size_t offset, bus_size_t size,

							    bus_space_handle_t *nbshp);

				static __inline int

				bus_space_subregion(bus_space_tag_t t, bus_space_handle_t bsh,

						    bus_size_t offset, bus_size_t size,

						    bus_space_handle_t *nbshp)

				{

					*nbshp = bsh + offset;

					return (0);

				}

				/*

				 * Allocate a region of memory that is accessible to devices in bus space.