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1 | /* |
1 | /* |
2 | * Copyright (c) 2005 Jakub Jermar, Jakub Vana |
2 | * Copyright (c) 2005 Jakub Jermar, Jakub Vana |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup ia64 |
29 | /** @addtogroup ia64 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef LIBC_ia64_DDI_H_ |
35 | #ifndef LIBC_ia64_DDI_H_ |
36 | #define LIBC_ia64_DDI_H_ |
36 | #define LIBC_ia64_DDI_H_ |
37 | 37 | ||
38 | #include <libarch/types.h> |
38 | #include <libarch/types.h> |
39 | 39 | ||
40 | typedef uint64_t ioport_t; |
40 | typedef uint64_t ioport_t; |
41 | 41 | ||
42 | uint64_t get_ia64_iospace_address(void); |
42 | uint64_t get_ia64_iospace_address(void); |
43 | 43 | ||
44 | extern uint64_t ia64_iospace_address; |
44 | extern uint64_t ia64_iospace_address; |
45 | 45 | ||
46 | #define IA64_IOSPACE_ADDRESS (ia64_iospace_address?ia64_iospace_address:(ia64_iospace_address=get_ia64_iospace_address())) |
46 | #define IA64_IOSPACE_ADDRESS (ia64_iospace_address?ia64_iospace_address:(ia64_iospace_address=get_ia64_iospace_address())) |
47 | 47 | ||
48 | static inline void outb(ioport_t port,uint8_t v) |
48 | static inline void outb(ioport_t port,uint8_t v) |
49 | { |
49 | { |
50 | *((uint8_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))) = v; |
50 | *((uint8_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))) = v; |
51 | 51 | ||
52 | asm volatile ("mf\n" ::: "memory"); |
52 | asm volatile ("mf\n" ::: "memory"); |
53 | } |
53 | } |
54 | 54 | ||
55 | static inline void outw(ioport_t port,uint16_t v) |
55 | static inline void outw(ioport_t port,uint16_t v) |
56 | { |
56 | { |
57 | *((uint16_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))) = v; |
57 | *((uint16_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))) = v; |
58 | 58 | ||
59 | asm volatile ("mf\n" ::: "memory"); |
59 | asm volatile ("mf\n" ::: "memory"); |
60 | } |
60 | } |
61 | 61 | ||
62 | static inline void outl(ioport_t port,uint32_t v) |
62 | static inline void outl(ioport_t port,uint32_t v) |
63 | { |
63 | { |
64 | *((uint32_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))) = v; |
64 | *((uint32_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))) = v; |
65 | 65 | ||
66 | asm volatile ("mf\n" ::: "memory"); |
66 | asm volatile ("mf\n" ::: "memory"); |
67 | } |
67 | } |
68 | 68 | ||
69 | 69 | ||
70 | 70 | ||
71 | static inline uint8_t inb(ioport_t port) |
71 | static inline uint8_t inb(ioport_t port) |
72 | { |
72 | { |
73 | asm volatile ("mf\n" ::: "memory"); |
73 | asm volatile ("mf\n" ::: "memory"); |
74 | 74 | ||
75 | return *((uint8_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))); |
75 | return *((uint8_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))); |
76 | } |
76 | } |
77 | 77 | ||
78 | static inline uint16_t inw(ioport_t port) |
78 | static inline uint16_t inw(ioport_t port) |
79 | { |
79 | { |
80 | asm volatile ("mf\n" ::: "memory"); |
80 | asm volatile ("mf\n" ::: "memory"); |
81 | 81 | ||
82 | return *((uint16_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xffE) | ( (port >> 2) << 12 )))); |
82 | return *((uint16_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xffE) | ( (port >> 2) << 12 )))); |
83 | } |
83 | } |
84 | 84 | ||
85 | static inline uint32_t inl(ioport_t port) |
85 | static inline uint32_t inl(ioport_t port) |
86 | { |
86 | { |
87 | asm volatile ("mf\n" ::: "memory"); |
87 | asm volatile ("mf\n" ::: "memory"); |
88 | 88 | ||
89 | return *((uint32_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))); |
89 | return *((uint32_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))); |
90 | } |
90 | } |
91 | 91 | ||
92 | 92 | ||
93 | 93 | ||
94 | 94 | ||
95 | #endif |
95 | #endif |
96 | 96 | ||
97 | /** @} |
97 | /** @} |
98 | */ |
98 | */ |
99 | 99 |