Subversion Repositories HelenOS

Rev

Rev 3993 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
3993 rimsky 1
/*
2
 * Copyright (c) 2005 Jakub Jermar
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 sparc64
30
 * @{
31
 */
32
/** @file
33
 */
34
 
35
#ifndef KERN_sparc64_sun4u_ASM_H_
36
#define KERN_sparc64_sun4u_ASM_H_
37
 
38
extern uint64_t read_from_ag_g7(void);
39
extern void write_to_ag_g6(uint64_t val);
40
extern void write_to_ag_g7(uint64_t val);
41
extern void write_to_ig_g6(uint64_t val);
42
 
4130 rimsky 43
 
44
/** Read Version Register.
45
 *
46
 * @return Value of VER register.
47
 */
48
static inline uint64_t ver_read(void)
49
{
50
    uint64_t v;
51
 
52
    asm volatile ("rdpr %%ver, %0\n" : "=r" (v));
53
 
54
    return v;
55
}
56
 
3993 rimsky 57
#endif
58
 
59
/** @}
60
 */