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| 1 | /* |
1 | /* |
| 2 | * Copyright (c) 2005 Jakub Jermar |
2 | * Copyright (c) 2005 Jakub Jermar |
| 3 | * All rights reserved. |
3 | * All rights reserved. |
| 4 | * |
4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
7 | * are met: |
| 8 | * |
8 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
| 16 | * |
16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
27 | */ |
| 28 | 28 | ||
| 29 | /** @addtogroup sparc64 |
29 | /** @addtogroup sparc64 |
| 30 | * @{ |
30 | * @{ |
| 31 | */ |
31 | */ |
| 32 | /** @file |
32 | /** @file |
| 33 | */ |
33 | */ |
| 34 | 34 | ||
| 35 | #ifndef KERN_sparc64_sun4v_CPU_H_ |
35 | #ifndef KERN_sparc64_sun4v_CPU_H_ |
| 36 | #define KERN_sparc64_sun4v_CPU_H_ |
36 | #define KERN_sparc64_sun4v_CPU_H_ |
| 37 | 37 | ||
| 38 | /** Maximum number of virtual processors. */ |
38 | /** Maximum number of virtual processors. */ |
| 39 | #define MAX_NUM_STRANDS 64 |
39 | #define MAX_NUM_STRANDS 64 |
| 40 | 40 | ||
| 41 | /** Maximum number of logical processors in a processor core */ |
41 | /** Maximum number of logical processors in a processor core */ |
| 42 | #define MAX_CORE_STRANDS 8 |
42 | #define MAX_CORE_STRANDS 8 |
| 43 | 43 | ||
| 44 | #ifndef __ASM__ |
44 | #ifndef __ASM__ |
| 45 | 45 | ||
| - | 46 | struct cpu; |
|
| - | 47 | ||
| 46 | typedef struct { |
48 | typedef struct { |
| - | 49 | uint64_t exec_unit_id; |
|
| - | 50 | uint8_t strand_count; |
|
| - | 51 | uint64_t cpuids[MAX_CORE_STRANDS]; |
|
| - | 52 | struct cpu *cpus[MAX_CORE_STRANDS]; |
|
| - | 53 | atomic_t nrdy; |
|
| - | 54 | SPINLOCK_DECLARE(proposed_nrdy_lock); |
|
| - | 55 | } exec_unit_t; |
|
| - | 56 | ||
| - | 57 | typedef struct cpu_arch { |
|
| 47 | uint64_t id; /**< virtual processor ID */ |
58 | uint64_t id; /**< virtual processor ID */ |
| 48 | uint32_t clock_frequency; /**< Processor frequency in Hz. */ |
59 | uint32_t clock_frequency; /**< Processor frequency in Hz. */ |
| 49 | uint64_t next_tick_cmpr; /**< Next clock interrupt should be |
60 | uint64_t next_tick_cmpr; /**< Next clock interrupt should be |
| 50 | generated when the TICK register |
61 | generated when the TICK register |
| 51 | matches this value. */ |
62 | matches this value. */ |
| - | 63 | exec_unit_t *exec_unit; /**< Physical core. */ |
|
| - | 64 | unsigned long proposed_nrdy; /**< Proposed No. of ready threads |
|
| - | 65 | so that cores are equally balanced. */ |
|
| 52 | } cpu_arch_t; |
66 | } cpu_arch_t; |
| 53 | 67 | ||
| 54 | typedef struct { |
- | |
| 55 | uint64_t exec_unit_id; |
- | |
| 56 | uint8_t strand_count; |
- | |
| 57 | uint64_t cpuids[MAX_CORE_STRANDS]; |
- | |
| 58 | } exec_unit_t; |
- | |
| 59 | - | ||
| 60 | #endif |
68 | #endif |
| 61 | 69 | ||
| 62 | #ifdef __ASM__ |
70 | #ifdef __ASM__ |
| 63 | 71 | ||
| 64 | #endif |
72 | #endif |
| 65 | 73 | ||
| 66 | #endif |
74 | #endif |
| 67 | 75 | ||
| 68 | /** @} |
76 | /** @} |
| 69 | */ |
77 | */ |
| 70 | 78 | ||