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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3771 | rimsky | 1 | /* |
| 2 | * Copyright (c) 2005 Jakub Jermar |
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| 3 | * All rights reserved. |
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| 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 | |||
| 29 | /** @addtogroup sparc64 |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 35 | #ifndef KERN_sparc64_sun4v_CPU_H_ |
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| 36 | #define KERN_sparc64_sun4v_CPU_H_ |
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| 37 | |||
| 4663 | rimsky | 38 | /** Maximum number of virtual processors. */ |
| 3993 | rimsky | 39 | #define MAX_NUM_STRANDS 64 |
| 40 | |||
| 4663 | rimsky | 41 | /** Maximum number of logical processors in a processor core */ |
| 42 | #define MAX_CORE_STRANDS 8 |
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| 3993 | rimsky | 43 | |
| 3771 | rimsky | 44 | #ifndef __ASM__ |
| 45 | |||
| 4679 | rimsky | 46 | struct cpu; |
| 47 | |||
| 3862 | rimsky | 48 | typedef struct { |
| 4679 | rimsky | 49 | uint64_t exec_unit_id; |
| 50 | uint8_t strand_count; |
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| 51 | uint64_t cpuids[MAX_CORE_STRANDS]; |
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| 52 | struct cpu *cpus[MAX_CORE_STRANDS]; |
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| 53 | atomic_t nrdy; |
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| 54 | SPINLOCK_DECLARE(proposed_nrdy_lock); |
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| 55 | } exec_unit_t; |
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| 56 | |||
| 57 | typedef struct cpu_arch { |
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| 3862 | rimsky | 58 | uint64_t id; /**< virtual processor ID */ |
| 59 | uint32_t clock_frequency; /**< Processor frequency in Hz. */ |
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| 60 | uint64_t next_tick_cmpr; /**< Next clock interrupt should be |
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| 61 | generated when the TICK register |
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| 62 | matches this value. */ |
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| 4679 | rimsky | 63 | exec_unit_t *exec_unit; /**< Physical core. */ |
| 64 | unsigned long proposed_nrdy; /**< Proposed No. of ready threads |
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| 65 | so that cores are equally balanced. */ |
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| 3862 | rimsky | 66 | } cpu_arch_t; |
| 67 | |||
| 3771 | rimsky | 68 | #endif |
| 69 | |||
| 3993 | rimsky | 70 | #ifdef __ASM__ |
| 71 | |||
| 3771 | rimsky | 72 | #endif |
| 73 | |||
| 3993 | rimsky | 74 | #endif |
| 75 | |||
| 3771 | rimsky | 76 | /** @} |
| 77 | */ |