diff options
| -rw-r--r-- | sys/arch/alpha/include/bus.h | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/sys/arch/alpha/include/bus.h b/sys/arch/alpha/include/bus.h index 854d055589b..01a2cb5a259 100644 --- a/sys/arch/alpha/include/bus.h +++ b/sys/arch/alpha/include/bus.h @@ -1,4 +1,4 @@ -/* $OpenBSD: bus.h,v 1.5 1997/01/24 19:57:09 niklas Exp $ */ +/* $OpenBSD: bus.h,v 1.6 1997/03/21 00:16:32 niklas Exp $ */ /* $NetBSD: bus.h,v 1.10 1996/12/02 22:19:32 cgd Exp $ */ /* @@ -240,6 +240,24 @@ struct alpha_bus_space { /* + * void bus_space_read_raw_multi_N __P((bus_space_tag_t tag, + * bus_space_handle_t bsh, bus_size_t offset, + * u_int8_t *addr, size_t count)); + * + * Read `count' bytes in 2, 4 or 8 byte wide quantities from bus space + * described by tag/handle/offset and copy into buffer provided. The buffer + * must have proper alignment for the N byte wide entities. Furthermore + * possible byte-swapping should be done by these functions. + */ + +#define bus_space_read_raw_multi_2(t, h, o, a, c) \ + bus_space_read_multi_2((t), (h), (o), (u_int16_t *)(a), (c) >> 1) +#define bus_space_read_raw_multi_4(t, h, o, a, c) \ + bus_space_read_multi_4((t), (h), (o), (u_int32_t *)(a), (c) >> 2) +#define bus_space_read_raw_multi_8(t, h, o, a, c) \ + bus_space_read_multi_8((t), (h), (o), (u_int64_t *)(a), (c) >> 4) + +/* * Bus read region operations. */ #define bus_space_read_region_1(t, h, o, a, c) \ @@ -273,6 +291,23 @@ struct alpha_bus_space { #define bus_space_write_multi_8(t, h, o, a, c) \ __abs_nonsingle(wm,8,(t),(h),(o),(a),(c)) +/* + * void bus_space_write_raw_multi_N __P((bus_space_tag_t tag, + * bus_space_handle_t bsh, bus_size_t offset, + * u_int8_t *addr, size_t count)); + * + * Write `count' bytes in 2, 4 or 8 byte wide quantities from the buffer + * provided to bus space described by tag/handle/offset. The buffer + * must have proper alignment for the N byte wide entities. Furthermore + * possible byte-swapping should be done by these functions. + */ + +#define bus_space_write_raw_multi_2(t, h, o, a, c) \ + bus_space_write_multi_2((t), (h), (o), (u_int16_t *)(a), (c) >> 1) +#define bus_space_write_raw_multi_4(t, h, o, a, c) \ + bus_space_write_multi_4((t), (h), (o), (u_int32_t *)(a), (c) >> 2) +#define bus_space_write_raw_multi_8(t, h, o, a, c) \ + bus_space_write_multi_8((t), (h), (o), (u_int64_t *)(a), (c) >> 4) /* * Bus write region operations. |