| 1 | /* |
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| 2 | * arch.h - architecture specific implementation of kernel's HAL |
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| 3 | * (see kern/hal-arch.h) |
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| 4 | * |
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| 5 | * Copyright (c) 2008,2009,2010,2011,2012 Ghassan Almaless |
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| 6 | * Copyright (c) 2011,2012 UPMC Sorbonne Universites |
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| 7 | * |
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| 8 | * This file is part of ALMOS-kernel. |
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| 9 | * |
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| 10 | * ALMOS-kernel is free software; you can redistribute it and/or modify it |
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| 11 | * under the terms of the GNU General Public License as published by |
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| 12 | * the Free Software Foundation; version 2.0 of the License. |
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| 13 | * |
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| 14 | * ALMOS-kernel is distributed in the hope that it will be useful, but |
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| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 17 | * General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with ALMOS-kernel; if not, write to the Free Software Foundation, |
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| 21 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 22 | */ |
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| 23 | |
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| 24 | #ifndef _ARCH_H_ |
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| 25 | #define _ARCH_H_ |
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| 26 | |
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| 27 | #include <config.h> |
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| 28 | #include <segmentation.h> |
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| 29 | #include <types.h> |
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| 30 | |
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| 31 | #ifndef _HAL_ARCH_H_ |
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| 32 | #error arch.h connot be included directly, use system.h instead |
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| 33 | #endif |
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| 34 | |
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| 35 | /* CPUs/CLUSTERs Numbers */ |
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| 36 | #define CACHE_LINE_SIZE CONFIG_CACHE_LINE_SIZE |
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| 37 | #define __CPU_NR CONFIG_CPU_NR |
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| 38 | #define __CPUs CONFIG_CPU_PER_CLUSTER_NR |
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| 39 | #define __CLUSTER_NR CONFIG_CLUSTER_NR |
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| 40 | #define __CPU_BITS_NR CONFIG_CPU_BITS_NR |
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| 41 | #define __CLUSTER_BITS_NR CONFIG_CLUSTER_BITS_NR |
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| 42 | #define __PAGE_SIZE CONFIG_CACHE_LINE_SIZE |
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| 43 | |
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| 44 | #undef CPU_NR |
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| 45 | #undef CLUSTER_NR |
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| 46 | #undef CPU_PER_CLUSTER |
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| 47 | #undef GET_CPU_ID |
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| 48 | #undef GET_CLUSTER_ID |
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| 49 | #undef MAKE_CPU_ID |
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| 50 | |
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| 51 | #define CPU_NR __CPU_NR |
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| 52 | #define CLUSTER_NR __CLUSTER_NR |
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| 53 | #define CPU_PER_CLUSTER __CPUs |
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| 54 | #define GET_CPU_ID(_cpu_id) ((_cpu_id) & (__CPU_NR - 1)) |
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| 55 | #define GET_CLUSTER_ID(_cpu_id) ((_cpu_id) >> __CPU_BITS_NR) |
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| 56 | #define MAKE_CPU_ID(_cluster,_cpu) (((_cluster) << __CPU_BITS_NR) | (_cpu)) |
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| 57 | |
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| 58 | /* Timer parameters macros */ |
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| 59 | #undef TIC |
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| 60 | #undef CYCLES_PER_SECOND |
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| 61 | |
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| 62 | #define TIC 40000 |
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| 63 | #define CYCLES_PER_SECOND 200000 |
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| 64 | #define ALPHA 20 |
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| 65 | |
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| 66 | /* Structures definitions */ |
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| 67 | struct irq_action_s; |
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| 68 | |
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| 69 | struct arch_cpu_s |
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| 70 | { |
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| 71 | struct irq_action_s *action; |
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| 72 | }; |
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| 73 | |
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| 74 | #endif /* _ARCH_H_ */ |
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