| 1 | /*
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| 2 | * kernel_config.h - global kernel configuration arguments
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| 3 | *
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| 4 | * Authors Ghassan Almaless (2008,2009,2010,2011,2012)
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| 5 | * Mohamed Lamine Karaoui (2015)
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| 6 | * Alain Greiner (2016,2017,2018)
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| 7 | *
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| 8 | * Copyright (c) UPMC Sorbonne Universites
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| 9 | *
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| 10 | * This file is part of ALMOS-MKH.
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| 11 | *
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| 12 | * ALMOS-MKH is free software; you can redistribute it and/or modify it
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| 13 | * under the terms of the GNU General Public License as published by
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| 14 | * the Free Software Foundation; version 2.0 of the License.
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| 15 | *
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| 16 | * ALMOS-MKH is distributed in the hope that it will be useful, but
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| 17 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 19 | * General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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| 22 | * along with ALMOS-MKH; if not, write to the Free Software Foundation,
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| 23 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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| 24 | */
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| 25 |
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| 26 | #ifndef _ALMOS_CONFIG_H_
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| 27 | #define _ALMOS_CONFIG_H_
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| 28 |
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| 29 | #define CONFIG_ALMOS_VERSION "Version 1.0 / August 2018"
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| 30 |
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| 31 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 32 | // KERNEL DEBUG
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| 33 | // Each debug variable control one kernel function, or one small group of functions.
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| 34 | // - trace is generated only when cycle > debug_value.
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| 35 | // - detailed trace is enabled when (debug_value & Ox1) is non zero.
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| 36 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 37 |
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| 38 | #define DEBUG_CHDEV_CMD_RX 0
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| 39 | #define DEBUG_CHDEV_CMD_TX 0
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| 40 | #define DEBUG_CHDEV_SERVER_RX 0
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| 41 | #define DEBUG_CHDEV_SERVER_TX 0
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| 42 |
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| 43 | #define DEBUG_CLUSTER_INIT 0
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| 44 | #define DEBUG_CLUSTER_PID_ALLOC 0
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| 45 | #define DEBUG_CLUSTER_PID_RELEASE 0
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| 46 | #define DEBUG_CLUSTER_PROCESS_COPIES 0
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| 47 |
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| 48 | #define DEBUG_DEV_TXT_RX 0
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| 49 | #define DEBUG_DEV_TXT_TX 0
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| 50 | #define DEBUG_DEV_IOC_RX 0
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| 51 | #define DEBUG_DEV_IOC_TX 0
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| 52 | #define DEBUG_DEV_NIC_RX 0
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| 53 | #define DEBUG_DEV_NIC_RX 0
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| 54 | #define DEBUG_DEV_FBF_RX 0
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| 55 | #define DEBUG_DEV_FBF_TX 0
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| 56 | #define DEBUG_DEV_DMA 0
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| 57 | #define DEBUG_DEV_MMC 0
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| 58 | #define DEBUG_DEV_PIC 0
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| 59 |
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| 60 | #define DEBUG_DEVFS_INIT 0
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| 61 | #define DEBUG_DEVFS_MOVE 0
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| 62 |
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| 63 | #define DEBUG_FATFS_INIT 0
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| 64 | #define DEBUG_FATFS_MOVE 0
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| 65 | #define DEBUG_FATFS_LOAD 0
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| 66 |
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| 67 | #define DEBUG_HAL_GPT_ACCESS 0
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| 68 | #define DEBUG_HAL_GPT_CREATE 0
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| 69 | #define DEBUG_HAL_GPT_DESTROY 0
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| 70 |
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| 71 | #define DEBUG_HAL_KENTRY 0
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| 72 | #define DEBUG_HAL_EXCEPTIONS 0
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| 73 | #define DEBUG_HAL_IRQS 0
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| 74 | #define DEBUG_HAL_TXT_RX 0
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| 75 | #define DEBUG_HAL_TXT_TX 0
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| 76 | #define DEBUG_HAL_IOC_RX 0
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| 77 | #define DEBUG_HAL_IOC_TX 0
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| 78 | #define DEBUG_HAL_GPT 0
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| 79 |
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| 80 | #define DEBUG_KCM 0
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| 81 | #define DEBUG_KMEM 0
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| 82 |
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| 83 | #define DEBUG_KERNEL_INIT 0
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| 84 | #define DEBUG_KMEM_ALLOC 0
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| 85 |
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| 86 | #define DEBUG_MAPPER_GET_PAGE 0
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| 87 | #define DEBUG_MAPPER_MOVE_USER 0
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| 88 | #define DEBUG_MAPPER_MOVE_KERNEL 0
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| 89 |
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| 90 | #define DEBUG_PPM_ALLOC_PAGES 0
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| 91 | #define DEBUG_PPM_FREE_PAGES 0
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| 92 |
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| 93 | #define DEBUG_PROCESS_COPY_INIT 0
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| 94 | #define DEBUG_PROCESS_DESTROY 0
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| 95 | #define DEBUG_PROCESS_GET_LOCAL_COPY 0
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| 96 | #define DEBUG_PROCESS_INIT_CREATE 0
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| 97 | #define DEBUG_PROCESS_MAKE_EXEC 0
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| 98 | #define DEBUG_PROCESS_MAKE_FORK 0
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| 99 | #define DEBUG_PROCESS_REFERENCE_INIT 0
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| 100 | #define DEBUG_PROCESS_SIGACTION 0
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| 101 | #define DEBUG_PROCESS_TXT 0
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| 102 | #define DEBUG_PROCESS_ZERO_CREATE 0
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| 103 |
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| 104 | #define DEBUG_RPC_CLIENT_GENERIC 0
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| 105 | #define DEBUG_RPC_SERVER_GENERIC 0
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| 106 |
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| 107 | #define DEBUG_RPC_PMEM_GET_PAGES 0
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| 108 | #define DEBUG_RPC_PMEM_RELEASE_PAGES 0
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| 109 | #define DEBUG_RPC_PROCESS_MAKE_FORK 0
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| 110 | #define DEBUG_RPC_PROCESS_SIGACTION 0
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| 111 | #define DEBUG_RPC_VFS_INODE_CREATE 0
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| 112 | #define DEBUG_RPC_VFS_INODE_DESTROY 0
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| 113 | #define DEBUG_RPC_VFS_DENTRY_CREATE 0
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| 114 | #define DEBUG_RPC_VFS_DENTRY_DESTROY 0
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| 115 | #define DEBUG_RPC_VFS_FILE_CREATE 0
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| 116 | #define DEBUG_RPC_VFS_FILE_DESTROY 0
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| 117 | #define DEBUG_RPC_VMM_GET_PTE 0
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| 118 | #define DEBUG_RPC_VMM_GET_VSEG 0
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| 119 |
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| 120 | #define DEBUG_SCHED_HANDLE_SIGNALS 2
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| 121 | #define DEBUG_SCHED_YIELD 2 // must be activated by the trace() syscall
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| 122 |
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| 123 | #define DEBUG_SYSCALLS_ERROR 2
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| 124 |
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| 125 | #define DEBUG_SYS_CLOSE 0
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| 126 | #define DEBUG_SYS_DISPLAY 0
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| 127 | #define DEBUG_SYS_EXEC 0
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| 128 | #define DEBUG_SYS_EXIT 0
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| 129 | #define DEBUG_SYS_FG 0
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| 130 | #define DEBUG_SYS_FORK 0
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| 131 | #define DEBUG_SYS_GET_CONFIG 0
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| 132 | #define DEBUG_SYS_ISATTY 0
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| 133 | #define DEBUG_SYS_IS_FG 0
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| 134 | #define DEBUG_SYS_KILL 0
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| 135 | #define DEBUG_SYS_OPEN 0
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| 136 | #define DEBUG_SYS_MMAP 0
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| 137 | #define DEBUG_SYS_READ 0
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| 138 | #define DEBUG_SYS_THREAD_CANCEL 0
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| 139 | #define DEBUG_SYS_THREAD_CREATE 0
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| 140 | #define DEBUG_SYS_THREAD_EXIT 0
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| 141 | #define DEBUG_SYS_THREAD_JOIN 0
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| 142 | #define DEBUG_SYS_THREAD_SLEEP 0
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| 143 | #define DEBUG_SYS_THREAD_WAKEUP 0
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| 144 | #define DEBUG_SYS_THREAD_YIELD 0
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| 145 | #define DEBUG_SYS_TRACE 0
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| 146 | #define DEBUG_SYS_WAIT 0
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| 147 | #define DEBUG_SYS_WRITE 0
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| 148 |
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| 149 | #define DEBUG_SPINLOCKS 0
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| 150 | #define DEBUG_REMOTE_SPINLOCKS 0
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| 151 | #define DEBUG_RWLOCKS 0
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| 152 | #define DEBUG_REMOTE_RWLOCKS 0
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| 153 |
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| 154 | #define DEBUG_THREAD_DESTROY 0
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| 155 | #define DEBUG_THREAD_IDLE 0
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| 156 | #define DEBUG_THREAD_INIT 0
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| 157 | #define DEBUG_THREAD_KERNEL_CREATE 0
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| 158 | #define DEBUG_THREAD_KILL 0
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| 159 | #define DEBUG_THREAD_USER_CREATE 0
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| 160 | #define DEBUG_THREAD_USER_FORK 0
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| 161 | #define DEBUG_THREAD_USER_EXEC 0
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| 162 | #define DEBUG_THREAD_BLOCK 0
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| 163 |
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| 164 | #define DEBUG_VFS_CLOSE 0
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| 165 | #define DEBUG_VFS_INODE_CREATE 0
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| 166 | #define DEBUG_VFS_INODE_LOAD 0
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| 167 | #define DEBUG_VFS_DENTRY_CREATE 0
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| 168 | #define DEBUG_VFS_OPEN 0
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| 169 | #define DEBUG_VFS_LOOKUP 0
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| 170 | #define DEBUG_VFS_ADD_CHILD 0
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| 171 | #define DEBUG_VFS_MAPPER_MOVE 0
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| 172 | #define DEBUG_VFS_MAPPER_LOAD 0
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| 173 |
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| 174 | #define DEBUG_VMM_CREATE_VSEG 0
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| 175 | #define DEBUG_VMM_DESTROY 0
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| 176 | #define DEBUG_VMM_FORK_COPY 0
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| 177 | #define DEBUG_VMM_GET_ONE_PPN 0
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| 178 | #define DEBUG_VMM_GET_PTE 0
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| 179 | #define DEBUG_VMM_HANDLE_PAGE_FAULT 0
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| 180 | #define DEBUG_VMM_INIT 0
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| 181 | #define DEBUG_VMM_PAGE_ALLOCATE 0
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| 182 | #define DEBUG_VMM_SET_COW 0
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| 183 | #define DEBUG_VMM_UNMAP_VSEG 0
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| 184 | #define DEBUG_VMM_UPDATE_PTE 0
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| 185 |
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| 186 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 187 | // HARDWARE CONFIGURATION
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| 188 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 189 |
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| 190 | #define CONFIG_KERNEL_IDENTITY_MAP true // True for 32 bits cores
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| 191 | #define CONFIG_MAX_CLUSTERS 256 // max number of clusters
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| 192 | #define CONFIG_MAX_LOCAL_CORES 4 // max number of cores per cluster
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| 193 | #define CONFIG_MAX_INT_DEV 4 // max number of internal peripherals
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| 194 | #define CONFIG_MAX_EXT_DEV 8 // max number of external peripherals
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| 195 | #define CONFIG_MAX_INTERNAL_IRQS 32 // max number of HWI per ICU
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| 196 | #define CONFIG_MAX_EXTERNAL_IRQS 32 // max number of PTI per ICU
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| 197 | #define CONFIG_IRQS_PER_CORE 4 // number of input IRQs per core
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| 198 | #define CONFIG_CLUSTER_SPAN 32 // ln(phys. address space per cluster)
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| 199 | #define CONFIG_CACHE_LINE_SIZE 64 // number of bytes in cache line
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| 200 |
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| 201 | #define CONFIG_CACHE_LINE_ALIGNED __attribute__((aligned(CONFIG_CACHE_LINE_SIZE)))
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| 202 |
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| 203 | #define CONFIG_MAX_IOC_CHANNELS 1 // max number of IOC device channels
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| 204 | #define CONFIG_MAX_FBF_CHANNELS 1 // max number of FBF device channels
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| 205 | #define CONFIG_MAX_TXT_CHANNELS 8 // max number of TXT device channels
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| 206 | #define CONFIG_MAX_DMA_CHANNELS 4 // max number of DMA device channels
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| 207 | #define CONFIG_MAX_NIC_CHANNELS 4 // max number of NIC device channels
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| 208 |
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| 209 | #define CONFIG_TXT_ECHO_MODE 1 // echo mode for TXT peripheral
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| 210 | #define CONFIG_TXT_KBUF_SIZE 512 // kernel buffer for TXT write
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| 211 |
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| 212 | #define CONFIG_FBF_WIDTH 128
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| 213 | #define CONFIG_FBF_HEIGHT 128
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| 214 |
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| 215 | #define CONFIG_CPU_CTX_SIZE 256 // up to 64 uint32_t registers
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| 216 | #define CONFIG_FPU_CTX_SIZE 256 // up to 32 uint64_t registers
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| 217 | #define CONFIG_NIC_CHBUF_DEPTH 1 // number of containers in NIC chbuf
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| 218 |
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| 219 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 220 | // PROCESS MANAGEMENT
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| 221 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 222 |
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| 223 | #define CONFIG_MAX_PROCESS_PER_CLUSTER 128 // max number of owned process
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| 224 | #define CONFIG_PROCESS_FILE_MAX_NR 8 // max number of open files
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| 225 | #define CONFIG_PROCESS_MAX_CHILDREN 1024 // max number of children process
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| 226 | #define CONFIG_PROCESS_HEAP_MIN_SIZE 0x00010000 // user heap min size (bytes)
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| 227 | #define CONFIG_PROCESS_HEAP_MAX_SIZE 0x30000000 // user heap max size (bytes)
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| 228 | #define CONFIG_PROCESS_INIT_PATH "/bin/user/init.elf"
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| 229 |
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| 230 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 231 | // VIRTUAL FILE SYSTEM
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| 232 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 233 |
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| 234 | #define CONFIG_VFS_MAX_INODES 128 // max number of inodes per cluster
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| 235 | #define CONFIG_VFS_MAX_NAME_LENGTH 32 // dentry name max length (bytes)
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| 236 | #define CONFIG_VFS_MAX_PATH_LENGTH 256 // pathname max length (bytes)
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| 237 |
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| 238 | #define CONFIG_VFS_ROOT_IS_FATFS 1 // root FS is FATFS if non zero
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| 239 | #define CONFIG_VFS_ROOT_IS_EX2FS 0 // root FS is EX2FS if non zero
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| 240 |
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| 241 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 242 | // LOCKS
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| 243 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 244 |
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| 245 | #define CONFIG_RWLOCK_DELAY 50 // iterations number ( ~ 200 cycles )
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| 246 |
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| 247 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 248 | // DQDT
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| 249 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 250 |
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| 251 | #define CONFIG_DQDT_LEVELS_NR 5
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| 252 | #define CONFIG_DQDT_TICKS_PER_QUANTUM 1 // number of ticks between updates
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| 253 |
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| 254 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 255 | // RANDOM NUMBERS
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| 256 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 257 |
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| 258 | #define CONFIG_RDNG_PARAM_A 65519
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| 259 | #define CONFIG_RDNG_PARAM_C 64037
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| 260 |
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| 261 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 262 | // SCHEDULING
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| 263 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 264 |
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| 265 | #define CONFIG_SCHED_TICK_MS_PERIOD 10000 // number of milliseconds per period
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| 266 | #define CONFIG_SCHED_TICKS_PER_QUANTUM 1 // number of ticks between scheduling
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| 267 | #define CONFIG_SCHED_MAX_THREADS_NR 32 // max number of threads per core
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| 268 |
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| 269 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 270 | // THREADS
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| 271 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 272 |
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| 273 | #define CONFIG_THREAD_MAX_PER_CLUSTER 16 // max threads per cluster & process
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| 274 | #define CONFIG_THREAD_DESC_SIZE 0x4000 // thread desc size (with kernel stack)
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| 275 | #define CONFIG_THREAD_DESC_ORDER 2 // ln( number of 4K pages )
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| 276 | #define CONFIG_THREAD_IDLE_MODE_SLEEP false // idle thread enter sleep mode
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| 277 |
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| 278 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 279 | // REMOTE PROCEDURE CALL
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| 280 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 281 |
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| 282 | #define CONFIG_REMOTE_FIFO_SLOTS 16
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| 283 | #define CONFIG_REMOTE_FIFO_MAX_ITERATIONS 1024
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| 284 | #define CONFIG_RPC_THREADS_MAX 4 // max number of RPC threads per core
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| 285 |
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| 286 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 287 | // MAPPER
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| 288 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 289 |
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| 290 | #define CONFIG_MAPPER_MAX_FRAGMENTS 10 // max number of fragments moved
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| 291 | #define CONFIG_MAPPER_MIN CONFIG_VFS_INODE_MIN
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| 292 | #define CONFIG_MAPPER_MAX CONFIG_VFS_INODE_MAX
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| 293 |
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| 294 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 295 | // USER SPACE SEGMENTATION / all values are number of pages
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| 296 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 297 |
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| 298 | #define CONFIG_VMM_VSPACE_SIZE 0x100000 // virtual space : 4 Gbytes
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| 299 |
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| 300 | #define CONFIG_VMM_KENTRY_BASE 0x000004 // UTILS zone base : 16 Kbytes
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| 301 | #define CONFIG_VMM_ELF_BASE 0x000400 // ELF zone base : 4 Mbytes
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| 302 | #define CONFIG_VMM_HEAP_BASE 0x002000 // HEAP zone base : 32 Mbytes
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| 303 | #define CONFIG_VMM_STACK_BASE 0x0F0000 // STACK zone base : 3.7 Gbytes
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| 304 |
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| 305 | #define CONFIG_VMM_KENTRY_SIZE 0x000004 // kentry vseg size : 16 Kbytes
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| 306 | #define CONFIG_VMM_ARGS_SIZE 0x000004 // args vseg size : 16 Kbytes
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| 307 | #define CONFIG_VMM_ENVS_SIZE 0x000008 // envs vseg size : 32 Kbytes
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| 308 | #define CONFIG_VMM_STACK_SIZE 0x000100 // single stack vseg size : 1 Mbytes
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| 309 |
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| 310 | #define CONFIG_VMM_GRDXT_W1 7 // number of bits for RADIX_TREE_IX1
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| 311 | #define CONFIG_VMM_GRDXT_W2 7 // number of bits for RADIX_TREE_IX2
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| 312 | #define CONFIG_VMM_GRDXT_W3 6 // number of bits for RADIX_TREE_IX3
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| 313 |
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| 314 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 315 | // PHYSICAL MEMORY MANAGEMENT (GENERIC)
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| 316 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 317 |
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| 318 | #define CONFIG_PPM_PAGE_SIZE 4096 // physical page size (bytes)
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| 319 | #define CONFIG_PPM_PAGE_SHIFT 12 // physical page shift (bits)
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| 320 | #define CONFIG_PPM_PAGE_MASK 0x00000FFF // physical page mask
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| 321 | #define CONFIG_PPM_MAX_ORDER 16 // ln(total number of pages per cluster)
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| 322 | #define CONFIG_PPM_HEAP_ORDER 10 // ln(number of heap pages per cluster)
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| 323 | #define CONFIG_PPM_MAX_RSVD 32 // max reserved zones on the machine
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| 324 |
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| 325 | #define CONFIG_KCM_SLOT_SIZE 64 // smallest allocated block (bytes)
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| 326 |
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| 327 | #define CONFIG_PPM_PAGE_ALIGNED __attribute__((aligned(CONFIG_PPM_PAGE_SIZE)))
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| 328 |
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| 329 |
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| 330 |
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| 331 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 332 | // deprecated
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| 333 | ////////////////////////////////////////////////////////////////////////////////////////////
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| 334 |
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| 335 | #define CONFIG_DMA_RQ_KCM_MIN 2
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| 336 | #define CONFIG_DMA_RQ_KCM_MAX 4
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| 337 | #define CONFIG_TASK_KCM_MIN 2
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| 338 | #define CONFIG_TASK_KCM_MAX 3
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| 339 | #define CONFIG_FDINFO_KCM_MIN 2
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| 340 | #define CONFIG_FDINFO_KCM_MAX 2
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| 341 | #define CONFIG_DEVFS_CTX_MIN 1
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| 342 | #define CONFIG_DEVFS_CTX_MAX 1
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| 343 | #define CONFIG_DEVFS_FILE_MIN 2
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| 344 | #define CONFIG_DEVFS_FILE_MAX 3
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| 345 | #define CONFIG_DEVFS_NODE_MIN 1
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| 346 | #define CONFIG_DEVFS_NODE_MAX 2
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| 347 | #define CONFIG_VFAT_CTX_MIN 1
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| 348 | #define CONFIG_VFAT_CTX_MAX 1
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| 349 |
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| 350 | #define CONFIG_RAMFS_FILE_MIN 3
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| 351 | #define CONFIG_RAMFS_FILE_MAX 3
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| 352 |
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| 353 | #define CONFIG_VFAT_FILE_MIN 3
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| 354 | #define CONFIG_VFAT_FILE_MAX 3
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| 355 | #define CONFIG_VFAT_NODE_MIN 2
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| 356 | #define CONFIG_VFAT_NODE_MAX 2
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| 357 |
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| 358 | #define CONFIG_EXT2_CTX_MIN 1
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| 359 | #define CONFIG_EXT2_CTX_MAX 1
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| 360 | #define CONFIG_EXT2_FILE_MIN 3
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| 361 | #define CONFIG_EXT2_FILE_MAX 3
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| 362 | #define CONFIG_EXT2_NODE_MIN 2
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| 363 | #define CONFIG_EXT2_NODE_MAX 2
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| 364 |
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| 365 | #define CONFIG_VFS_CTX_MIN 1
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| 366 | #define CONFIG_VFS_CTX_MAX 1
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| 367 | #define CONFIG_VFS_INODE_MIN 3
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| 368 | #define CONFIG_VFS_INODE_MAX 6
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| 369 | #define CONFIG_VFS_FILE_MIN 3
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| 370 | #define CONFIG_VFS_FILE_MAX 5
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| 371 |
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| 372 | #define CONFIG_SEMAPHORE_MIN 2
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| 373 | #define CONFIG_SEMAPHORE_MAX 2
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| 374 | #define CONFIG_CONDTION_VAR_MIN 2
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| 375 | #define CONFIG_CONDTION_VAR_MAX 2
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| 376 | #define CONFIG_BARRIER_MIN 2
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| 377 | #define CONFIG_BARRIER_MAX 2
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| 378 | #define CONFIG_RWLOCK_MIN 2
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| 379 | #define CONFIG_RWLOCK_MAX 2
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| 380 | #define CONFIG_WAITQUEUEDB_MAX 2
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| 381 | #define CONFIG_WAITQUEUEDB_MIN 2
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| 382 | #define CONFIG_RADIX_NODE_MIN 10
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| 383 | #define CONFIG_RADIX_NODE_MAX 30
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| 384 | #define CONFIG_VM_REGION_MIN 1
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| 385 | #define CONFIG_VM_REGION_MAX 2
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| 386 | #define CONFIG_BLKIO_MIN 4
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| 387 | #define CONFIG_BLKIO_MAX 8
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| 388 | #define CONFIG_KEYREC_MIN 2
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| 389 | #define CONFIG_KEYREC_MAX 2
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| 390 |
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| 391 |
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| 392 |
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| 393 | #endif /* _KERNEL_CONFIG_H_ */
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