source: mainline/kernel/arch/sparc64/include/drivers/tick.h@ 86018c1

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 86018c1 was b4655da, checked in by Pavel Rimsky <pavel@…>, 16 years ago

TLB & CPU init implemented, now the code reaches creation of the first thread.

  • Property mode set to 100644
File size: 1.9 KB
Line 
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_TICK_H_
36#define KERN_sparc64_TICK_H_
37
38#include <arch/asm.h>
39#include <arch/interrupt.h>
40
41/* mask of the "counter" field of the Tick register */
42#define TICK_COUNTER_MASK (~(1l << 63))
43
44extern void tick_init(void);
45extern void tick_interrupt(int n, istate_t *istate);
46
47/**
48 * Reads the Tick register counter.
49 */
50static inline uint64_t tick_counter_read(void)
51{
52 return TICK_COUNTER_MASK & tick_read();
53}
54
55#endif
56
57/** @}
58 */
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