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| Rev | Author | Line No. | Line |
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| 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 | |||
| 3993 | rimsky | 38 | /* Maximum number of virtual processors. */ |
| 39 | #define MAX_NUM_STRANDS 64 |
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| 40 | |||
| 41 | /* |
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| 42 | * Size of pair of pointers (one pointer to kernel stack, |
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| 43 | * one to uspace window buffer). |
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| 44 | */ |
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| 45 | #define KSTACK_WBUF_PTR_SIZE (2 * 8) |
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| 46 | |||
| 3771 | rimsky | 47 | #ifndef __ASM__ |
| 48 | |||
| 3993 | rimsky | 49 | /** |
| 50 | * Pair of two pointers, the first one points to the kernel stack of |
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| 51 | * a userspace thread, the second one points to the userspace window |
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| 52 | * buffer of the userspace thread. For each CPU there exists exactly |
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| 53 | * one isntance of this structure. |
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| 54 | */ |
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| 3862 | rimsky | 55 | typedef struct { |
| 3993 | rimsky | 56 | uintptr_t kstack; |
| 57 | uintptr_t wbuf; |
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| 58 | } __attribute__ ((packed)) kstack_wbuf_ptr ; |
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| 59 | |||
| 60 | typedef struct { |
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| 3862 | rimsky | 61 | uint64_t id; /**< virtual processor ID */ |
| 62 | uint32_t mid; // TODO: left here only to keep the code compilable!!! |
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| 63 | uint32_t clock_frequency; /**< Processor frequency in Hz. */ |
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| 64 | uint64_t next_tick_cmpr; /**< Next clock interrupt should be |
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| 65 | generated when the TICK register |
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| 66 | matches this value. */ |
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| 67 | } cpu_arch_t; |
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| 68 | |||
| 3771 | rimsky | 69 | #endif |
| 70 | |||
| 3993 | rimsky | 71 | #ifdef __ASM__ |
| 72 | |||
| 3771 | rimsky | 73 | #endif |
| 74 | |||
| 3993 | rimsky | 75 | #endif |
| 76 | |||
| 3771 | rimsky | 77 | /** @} |
| 78 | */ |