diff options
Diffstat (limited to 'sys/arch/i386/include/bus.h')
| -rw-r--r-- | sys/arch/i386/include/bus.h | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/sys/arch/i386/include/bus.h b/sys/arch/i386/include/bus.h index 17cbbcc784c..0cca2d9e628 100644 --- a/sys/arch/i386/include/bus.h +++ b/sys/arch/i386/include/bus.h @@ -1,4 +1,4 @@ -/* $OpenBSD: bus.h,v 1.6 1996/11/12 22:46:27 niklas Exp $ */ +/* $OpenBSD: bus.h,v 1.7 1996/11/28 23:37:38 niklas Exp $ */ /* $NetBSD: bus.h,v 1.5 1996/10/21 22:26:19 thorpej Exp $ */ /* @@ -153,6 +153,27 @@ void bus_space_free __P((bus_space_tag_t t, bus_space_handle_t bsh, #endif /* + * 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) + +#if 0 /* Cause a link error for bus_space_read_raw_multi_8 */ +#define bus_space_read_raw_multi_8 \ + !!! bus_space_read_raw_multi_8 unimplemented !!! +#endif + +/* * void bus_space_read_region_N __P((bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, * u_intN_t *addr, size_t count)); @@ -326,6 +347,27 @@ void bus_space_free __P((bus_space_tag_t t, bus_space_handle_t bsh, #endif /* + * 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) + +#if 0 /* Cause a link error for bus_space_write_raw_multi_8 */ +#define bus_space_write_raw_multi_8 \ + !!! bus_space_write_raw_multi_8 unimplemented !!! +#endif + +/* * void bus_space_write_region_N __P((bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, * u_intN_t *addr, size_t count)); |