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| Rev | Author | Line No. | Line |
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| 664 | jermar | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2005 Jakub Jermar |
| 664 | jermar | 3 | * All rights reserved. |
| 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 | |||
| 1790 | jermar | 29 | /** @addtogroup sparc64 |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 1860 | jermar | 35 | #ifndef KERN_sparc64_TICK_H_ |
| 36 | #define KERN_sparc64_TICK_H_ |
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| 664 | jermar | 37 | |
| 3770 | rimsky | 38 | #include <arch/asm.h> |
| 2089 | decky | 39 | #include <arch/interrupt.h> |
| 958 | jermar | 40 | |
| 3770 | rimsky | 41 | /* mask of the "counter" field of the Tick register */ |
| 42 | #define TICK_COUNTER_MASK (~(1l << 63)) |
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| 43 | |||
| 664 | jermar | 44 | extern void tick_init(void); |
| 958 | jermar | 45 | extern void tick_interrupt(int n, istate_t *istate); |
| 664 | jermar | 46 | |
| 3770 | rimsky | 47 | /** |
| 48 | * Reads the Tick register counter. |
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| 49 | */ |
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| 50 | static inline uint64_t tick_counter_read(void) |
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| 51 | { |
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| 52 | return TICK_COUNTER_MASK & tick_read(); |
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| 53 | } |
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| 54 | |||
| 664 | jermar | 55 | #endif |
| 1702 | cejka | 56 | |
| 1790 | jermar | 57 | /** @} |
| 1702 | cejka | 58 | */ |