| 1 | /*
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| 2 | * Copyright (c) 2009 Jakub Jermar
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @file
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| 30 | * @ingroup libsparc64
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| 31 | */
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| 32 |
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| 33 | #ifndef _LIBC_sparc64_DDI_H_
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| 34 | #define _LIBC_sparc64_DDI_H_
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| 35 |
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| 36 | #include <barrier.h>
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| 37 | #include <ddi.h>
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| 38 |
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| 39 | static inline void arch_pio_write_8(ioport8_t *port, uint8_t v)
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| 40 | {
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| 41 | *port = v;
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| 42 | memory_barrier();
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| 43 | }
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| 44 |
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| 45 | static inline void arch_pio_write_16(ioport16_t *port, uint16_t v)
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| 46 | {
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| 47 | *port = v;
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| 48 | memory_barrier();
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| 49 | }
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| 50 |
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| 51 | static inline void arch_pio_write_32(ioport32_t *port, uint32_t v)
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| 52 | {
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| 53 | *port = v;
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| 54 | memory_barrier();
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| 55 | }
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| 56 |
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| 57 | static inline void arch_pio_write_64(ioport64_t *port, uint64_t v)
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| 58 | {
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| 59 | *port = v;
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| 60 | memory_barrier();
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| 61 | }
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| 62 |
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| 63 | static inline uint8_t arch_pio_read_8(const ioport8_t *port)
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| 64 | {
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| 65 | uint8_t rv;
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| 66 |
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| 67 | rv = *port;
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| 68 | memory_barrier();
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| 69 |
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| 70 | return rv;
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| 71 | }
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| 72 |
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| 73 | static inline uint16_t arch_pio_read_16(const ioport16_t *port)
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| 74 | {
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| 75 | uint16_t rv;
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| 76 |
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| 77 | rv = *port;
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| 78 | memory_barrier();
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| 79 |
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| 80 | return rv;
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| 81 | }
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| 82 |
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| 83 | static inline uint32_t arch_pio_read_32(const ioport32_t *port)
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| 84 | {
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| 85 | uint32_t rv;
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| 86 |
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| 87 | rv = *port;
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| 88 | memory_barrier();
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| 89 |
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| 90 | return rv;
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| 91 | }
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| 92 |
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| 93 | static inline uint64_t arch_pio_read_64(const ioport64_t *port)
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| 94 | {
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| 95 | uint64_t rv;
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| 96 |
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| 97 | rv = *port;
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| 98 | memory_barrier();
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| 99 |
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| 100 | return rv;
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| 101 | }
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| 102 |
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| 103 | #endif
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