| 1 | /* |
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| 2 | * arch.c - architecture related configurations |
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| 3 | * |
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| 4 | * Copyright (c) 2007,2008,2009,2010,2011,2012 Ghassan Almaless |
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| 5 | * Copyright (c) 2011,2012 UPMC Sorbonne Universites |
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| 6 | * |
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| 7 | * This file is part of ALMOS-kernel. |
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| 8 | * |
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| 9 | * ALMOS-kernel is free software; you can redistribute it and/or modify it |
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| 10 | * under the terms of the GNU General Public License as published by |
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| 11 | * the Free Software Foundation; version 2.0 of the License. |
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| 12 | * |
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| 13 | * ALMOS-kernel is distributed in the hope that it will be useful, but |
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| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | * General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU General Public License |
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| 19 | * along with ALMOS-kernel; if not, write to the Free Software Foundation, |
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| 20 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 21 | */ |
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| 22 | |
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| 23 | #ifndef _ARCH_CONFIG_H_ |
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| 24 | #define _ARCH_CONFIG_H_ |
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| 25 | |
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| 26 | #ifndef _CONFIG_H_ |
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| 27 | #error This config-file is not to be included directely, use config.h instead |
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| 28 | #endif |
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| 29 | |
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| 30 | ////////////////////////////////////////////// |
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| 31 | // ARCH RELATED CONFIGURATIONS // |
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| 32 | ////////////////////////////////////////////// |
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| 33 | #define CONFIG_ARCH_NAME "tsar" |
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| 34 | #define CONFIG_THREAD_PAGE_ORDER 0x1 |
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| 35 | #define RUN_IN_PHYSICAL_MODE yes |
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| 36 | #define CONFIG_PHYSICAL_BITS 40 |
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| 37 | #define CONFIG_LOCAL_PHYSICAL_BITS 32//NUMBER of bits that are local to a cluster |
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| 38 | |
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| 39 | /* Kepping the same value for KERNEL_OFFSET allow us to |
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| 40 | * have the same kernel for both mode of addressing */ |
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| 41 | #if RUN_IN_PHYSICAL_MODE |
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| 42 | |
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| 43 | /* kernel space allocated virtual addresses */ |
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| 44 | #define CONFIG_KERNEL_OFFSET 0x00000000 |
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| 45 | #define CONFIG_KERNEL_LIMIT 0x00003FFF //approximated may require more (if less no problem) |
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| 46 | #define CONFIG_DEVREGION_SIZE 0x00000000 //empty |
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| 47 | /* user space allocated virtual addresses */ |
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| 48 | #define CONFIG_USR_OFFSET 0x00004000 |
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| 49 | #define CONFIG_USR_LIMIT 0x80000000//0xFFFFFFFF |
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| 50 | |
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| 51 | #else /*!RUN_IN_PHYSICAL_MODE*/ |
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| 52 | |
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| 53 | /* kernel space allocated virtual addresses */ |
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| 54 | #define CONFIG_KERNEL_OFFSET 0x00000000 |
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| 55 | #define CONFIG_KERNEL_LIMIT 0x3FFFFFFF |
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| 56 | #define CONFIG_DEVREGION_SIZE 0x00000000 //Dynamically allocated from kernel space |
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| 57 | /* drivers are physically accessed !? */ |
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| 58 | /* user space allocated virtual addresses */ |
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| 59 | #define CONFIG_USR_OFFSET 0x40000000 |
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| 60 | #define CONFIG_USR_LIMIT 0xFFFFFFFF |
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| 61 | |
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| 62 | #endif |
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| 63 | |
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| 64 | #define CONFIG_PPN_BITS_NR 20 |
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| 65 | #define CONFIG_TTY_ECHO_MODE yes |
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| 66 | #define CONFIG_TTY_MAX_DEV_NR 32 |
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| 67 | #define CONFIG_TTY_BUFFER_DEPTH 40 |
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| 68 | #define CONFIG_FB_USE_DMA no |
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| 69 | #define CONFIG_ARCH_HAS_BARRIERS no |
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| 70 | ////////////////////////////////////////////// |
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| 71 | |
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| 72 | #endif /* _ARCH_CONFIG_H_ */ |
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