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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 |