Subversion Repositories HelenOS

Rev

Go to most recent revision | Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
3675 svoboda 1
/*
2
 * Copyright (c) 2005 Jakub Jermar, Jakub Vana
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
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
15
 *   derived from this software without specific prior written permission.
16
 *
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
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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
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
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
29
/** @addtogroup ia64   
30
 * @{
31
 */
32
/** @file
33
 */
34
 
35
#ifndef LIBC_ia64_DDI_H_
36
#define LIBC_ia64_DDI_H_
37
 
38
#include <libarch/types.h>
39
 
40
typedef uint64_t ioport_t;
41
 
42
uint64_t get_ia64_iospace_address(void);
43
 
44
extern uint64_t ia64_iospace_address;
45
 
46
#define IA64_IOSPACE_ADDRESS (ia64_iospace_address?ia64_iospace_address:(ia64_iospace_address=get_ia64_iospace_address()))
47
 
48
static inline void  outb(ioport_t port,uint8_t v)
49
{
50
    *((uint8_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))) = v;
51
 
52
    asm volatile ("mf\n" ::: "memory");
53
}
54
 
55
static inline void  outw(ioport_t port,uint16_t v)
56
{
57
    *((uint16_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))) = v;
58
 
59
    asm volatile ("mf\n" ::: "memory");
60
}
61
 
62
static inline void  outl(ioport_t port,uint32_t v)
63
{
64
    *((uint32_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))) = v;
65
 
66
    asm volatile ("mf\n" ::: "memory");
67
}
68
 
69
 
70
 
71
static inline uint8_t inb(ioport_t port)
72
{
73
    asm volatile ("mf\n" ::: "memory");
74
 
75
    return *((uint8_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 ))));
76
}
77
 
78
static inline uint16_t inw(ioport_t port)
79
{
80
    asm volatile ("mf\n" ::: "memory");
81
 
82
    return *((uint16_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xffE) | ( (port >> 2) << 12 ))));
83
}
84
 
85
static inline uint32_t inl(ioport_t port)
86
{
87
    asm volatile ("mf\n" ::: "memory");
88
 
89
    return *((uint32_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 ))));
90
}
91
 
92
 
93
 
94
 
95
#endif
96
 
97
/** @}
98
 */