| 0,0 → 1,92 |
|---|
| /* |
| * Copyright (c) 2009 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @file |
| * @ingroup libsparc64 |
| */ |
| |
| #ifndef LIBC_sparc64_DDI_H_ |
| #define LIBC_sparc64_DDI_H_ |
| |
| #include <sys/types.h> |
| #include <libarch/types.h> |
| |
| static inline memory_barrier(void) |
| { |
| asm volatile ("membar #LoadLoad | #StoreStore\n" ::: "memory"); |
| } |
| |
| static inline void pio_write_8(ioport8_t *port, uint8_t v) |
| { |
| *port = v; |
| memory_barrier(); |
| } |
| |
| static inline void pio_write_16(ioport16_t *port, uint16_t v) |
| { |
| *port = v; |
| memory_barrier(); |
| } |
| |
| static inline void pio_write_32(ioport32_t *port, uint32_t v) |
| { |
| *port = v; |
| memory_barrier(); |
| } |
| |
| static inline uint8_t pio_read_8(ioport8_t *port) |
| { |
| uint8_t rv; |
| |
| rv = *port; |
| memory_barrier(); |
| |
| return rv; |
| } |
| |
| static inline uint16_t pio_read_16(ioport16_t *port) |
| { |
| uint16_t rv; |
| |
| rv = *port; |
| memory_barrier(); |
| |
| return rv; |
| } |
| |
| static inline uint32_t pio_read_32(ioport32_t *port) |
| { |
| uint32_t rv; |
| |
| rv = *port; |
| memory_barrier(); |
| |
| return rv; |
| } |
| |
| #endif |