[1] | 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) |
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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 / March 2017" |
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| 30 | |
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| 31 | //////////////////////////////////////////////////////////////////////////////////////////// |
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[409] | 32 | // KERNEL DEBUG |
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[406] | 33 | // |
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[407] | 34 | // For all these debug variables: |
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[406] | 35 | // - trace is generated only when cycle > debug_value. |
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[407] | 36 | // - detailed trace is enabled when (debug_value & Ox1) is non zero. |
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[12] | 37 | //////////////////////////////////////////////////////////////////////////////////////////// |
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| 38 | |
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[407] | 39 | #define CONFIG_CHDEV_DEBUG 0 |
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[50] | 40 | #define CONFIG_CLUSTER_DEBUG 0 |
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[337] | 41 | #define CONFIG_CONTEXT_DEBUG 0 |
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[12] | 42 | #define CONFIG_CORE_DEBUG 0 |
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[296] | 43 | #define CONFIG_DEVFS_DEBUG 0 |
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[12] | 44 | #define CONFIG_DMA_DEBUG 0 |
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| 45 | #define CONFIG_DQDT_DEBUG 0 |
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[279] | 46 | #define CONFIG_ELF_DEBUG 0 |
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[418] | 47 | #define CONFIG_EXEC_DEBUG 0 |
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[406] | 48 | #define CONFIG_EXCP_DEBUG 0 |
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| 49 | #define CONFIG_FATFS_DEBUG 0 |
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[12] | 50 | #define CONFIG_FBF_DEBUG 0 |
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[418] | 51 | #define CONFIG_FORK_DEBUG 0 |
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[406] | 52 | #define CONFIG_GPT_DEBUG 0 |
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[416] | 53 | #define CONFIG_GRPC_DEBUG 0 |
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[204] | 54 | #define CONFIG_IDLE_DEBUG 0 |
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[406] | 55 | #define CONFIG_IOC_DEBUG 0 |
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[337] | 56 | #define CONFIG_IRQ_DEBUG 0 |
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[68] | 57 | #define CONFIG_KCM_DEBUG 0 |
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[408] | 58 | #define CONFIG_KENTRY_DEBUG 0 |
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[12] | 59 | #define CONFIG_KHM_DEBUG 0 |
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[418] | 60 | #define CONFIG_KILL_DEBUG 0 |
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[408] | 61 | #define CONFIG_KINIT_DEBUG 0 |
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[12] | 62 | #define CONFIG_KMEM_DEBUG 0 |
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[409] | 63 | #define CONFIG_LOCKS_DEBUG 0 |
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[407] | 64 | #define CONFIG_MMAP_DEBUG 0 |
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[12] | 65 | #define CONFIG_MMC_DEBUG 0 |
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[406] | 66 | #define CONFIG_MAPPER_DEBUG 0 |
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[12] | 67 | #define CONFIG_NIC_DEBUG 0 |
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| 68 | #define CONFIG_PIC_DEBUG 0 |
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| 69 | #define CONFIG_PPM_DEBUG 0 |
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[279] | 70 | #define CONFIG_PROCESS_DEBUG 0 |
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[407] | 71 | #define CONFIG_READ_DEBUG 0 |
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[406] | 72 | #define CONFIG_RPC_DEBUG 0 |
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[416] | 73 | #define CONFIG_SCHED_DEBUG 0 |
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| 74 | #define CONFIG_SIGACTION_DEBUG 0 |
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[409] | 75 | #define CONFIG_SYSCALL_DEBUG 0 |
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[337] | 76 | #define CONFIG_THREAD_DEBUG 0 |
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[12] | 77 | #define CONFIG_TXT_DEBUG 0 |
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[406] | 78 | #define CONFIG_VFS_DEBUG 0 |
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[279] | 79 | #define CONFIG_VMM_DEBUG 0 |
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[407] | 80 | #define CONFIG_WRITE_DEBUG 0 |
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[12] | 81 | |
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| 82 | //////////////////////////////////////////////////////////////////////////////////////////// |
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[409] | 83 | // HARDWARE CONFIGURATION |
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[1] | 84 | //////////////////////////////////////////////////////////////////////////////////////////// |
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| 85 | |
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[23] | 86 | #define CONFIG_KERNEL_IDENTITY_MAP true // True for 32 bits cores |
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[1] | 87 | #define CONFIG_MAX_CLUSTER 256 // max number of clusters |
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[12] | 88 | #define CONFIG_MAX_LOCAL_CORES 4 // max number of cores per cluster |
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| 89 | #define CONFIG_MAX_INT_DEV 4 // max number of internal peripherals |
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| 90 | #define CONFIG_MAX_EXT_DEV 8 // max number of external peripherals |
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[188] | 91 | #define CONFIG_MAX_INTERNAL_IRQS 32 // max number of HWI per ICU |
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| 92 | #define CONFIG_MAX_EXTERNAL_IRQS 32 // max number of PTI per ICU |
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[1] | 93 | #define CONFIG_IRQS_PER_CORE 4 // number of input IRQs per core |
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| 94 | #define CONFIG_CLUSTER_SPAN 32 // ln(phys. address space per cluster) |
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| 95 | #define CONFIG_CACHE_LINE_SIZE 64 // number of bytes in cache line |
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| 96 | |
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[16] | 97 | #define CONFIG_CACHE_LINE_ALIGNED __attribute__((aligned(CONFIG_CACHE_LINE_SIZE))) |
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| 98 | |
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[12] | 99 | #define CONFIG_MAX_IOC_CHANNELS 1 // max number of IOC device channels |
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| 100 | #define CONFIG_MAX_FBF_CHANNELS 1 // max number of FBF device channels |
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[407] | 101 | #define CONFIG_MAX_TXT_CHANNELS 8 // max number of TXT device channels |
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| 102 | #define CONFIG_MAX_DMA_CHANNELS 4 // max number of DMA device channels |
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| 103 | #define CONFIG_MAX_NIC_CHANNELS 4 // max number of NIC device channels |
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[12] | 104 | |
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[1] | 105 | #define CONFIG_MAX_CLUSTERS 256 // max number of clusters |
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| 106 | |
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| 107 | #define CONFIG_TXT_ECHO_MODE 1 // echo mode for TXT peripheral |
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[407] | 108 | #define CONFIG_TXT_KBUF_SIZE 256 // kernel buffer for TXT write |
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[1] | 109 | |
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[188] | 110 | #define CONFIG_FBF_WIDTH 128 |
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| 111 | #define CONFIG_FBF_HEIGHT 128 |
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| 112 | |
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[296] | 113 | #define CONFIG_CPU_CTX_SIZE 256 // up to 64 uint32_t registers |
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[188] | 114 | #define CONFIG_FPU_CTX_SIZE 256 // up to 32 uint64_t registers |
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[1] | 115 | #define CONFIG_NIC_CHBUF_DEPTH 1 // number of containers in NIC chbuf |
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| 116 | |
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| 117 | //////////////////////////////////////////////////////////////////////////////////////////// |
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[409] | 118 | // PROCESS MANAGEMENT |
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[1] | 119 | //////////////////////////////////////////////////////////////////////////////////////////// |
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| 120 | |
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| 121 | #define CONFIG_MAX_PROCESS_PER_CLUSTER 128 // max number of owned process |
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| 122 | #define CONFIG_PROCESS_FILE_MAX_NR 8 // max number of open files |
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[23] | 123 | #define CONFIG_PROCESS_MAX_CHILDREN 1024 // max number of children process |
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[1] | 124 | #define CONFIG_PROCESS_HEAP_MIN_SIZE 0x00010000 // user heap min size (bytes) |
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| 125 | #define CONFIG_PROCESS_HEAP_MAX_SIZE 0x30000000 // user heap max size (bytes) |
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[407] | 126 | #define CONFIG_PROCESS_INIT_PATH "/bin/user/ksh.elf" |
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[1] | 127 | |
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| 128 | //////////////////////////////////////////////////////////////////////////////////////////// |
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[409] | 129 | // VIRTUAL FILE SYSTEM |
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[1] | 130 | //////////////////////////////////////////////////////////////////////////////////////////// |
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| 131 | |
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| 132 | #define CONFIG_VFS_MAX_INODES 128 // max number of inodes per cluster |
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[23] | 133 | #define CONFIG_VFS_MAX_NAME_LENGTH 32 // dentry name max length (bytes) |
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| 134 | #define CONFIG_VFS_MAX_PATH_LENGTH 256 // pathname max length (bytes) |
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[1] | 135 | |
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[23] | 136 | #define CONFIG_VFS_ROOT_IS_FATFS 1 // root FS is FATFS if non zero |
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| 137 | #define CONFIG_VFS_ROOT_IS_EX2FS 0 // root FS is EX2FS if non zero |
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[1] | 138 | |
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| 139 | //////////////////////////////////////////////////////////////////////////////////////////// |
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[409] | 140 | // LOCKS |
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[1] | 141 | //////////////////////////////////////////////////////////////////////////////////////////// |
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| 142 | |
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[16] | 143 | #define CONFIG_RWLOCK_DELAY 50 // iterations number ( ~ 200 cycles ) |
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[1] | 144 | |
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| 145 | //////////////////////////////////////////////////////////////////////////////////////////// |
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[409] | 146 | // DQDT |
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[1] | 147 | //////////////////////////////////////////////////////////////////////////////////////////// |
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| 148 | |
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| 149 | #define CONFIG_DQDT_LEVELS_NR 5 |
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[367] | 150 | #define CONFIG_DQDT_TICKS_PER_QUANTUM 1 // number of ticks between updates |
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[1] | 151 | |
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| 152 | //////////////////////////////////////////////////////////////////////////////////////////// |
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[409] | 153 | // RANDOM NUMBERS |
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[1] | 154 | //////////////////////////////////////////////////////////////////////////////////////////// |
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| 155 | |
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| 156 | #define CONFIG_RDNG_PARAM_A 65519 |
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| 157 | #define CONFIG_RDNG_PARAM_C 64037 |
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| 158 | |
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| 159 | //////////////////////////////////////////////////////////////////////////////////////////// |
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[409] | 160 | // SCHEDULING |
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[1] | 161 | //////////////////////////////////////////////////////////////////////////////////////////// |
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| 162 | |
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[418] | 163 | #define CONFIG_SCHED_TICK_MS_PERIOD 1000 // number of milliseconds |
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[407] | 164 | #define CONFIG_SCHED_TICKS_PER_QUANTUM 1 // number of ticks between scheduling |
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[16] | 165 | #define CONFIG_SCHED_MAX_THREADS_NR 32 // max number of threads per core |
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[1] | 166 | |
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| 167 | //////////////////////////////////////////////////////////////////////////////////////////// |
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[409] | 168 | // THREADS |
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[1] | 169 | //////////////////////////////////////////////////////////////////////////////////////////// |
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| 170 | |
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[408] | 171 | #define CONFIG_THREAD_MAX_PER_CLUSTER 16 // max threads per cluster & process |
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[407] | 172 | #define CONFIG_THREAD_DESC_SIZE 0x4000 // thread desc size (with kernel stack) |
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[401] | 173 | #define CONFIG_THREAD_DESC_ORDER 2 // ln( number of 4K pages ) |
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[407] | 174 | #define CONFIG_THREAD_IDLE_MODE_SLEEP 0 // idle thread enter sleep mode |
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[1] | 175 | |
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| 176 | //////////////////////////////////////////////////////////////////////////////////////////// |
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[409] | 177 | // REMOTE PROCEDURE CALL |
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[1] | 178 | //////////////////////////////////////////////////////////////////////////////////////////// |
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| 179 | |
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[68] | 180 | #define CONFIG_REMOTE_FIFO_SLOTS 16 |
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[1] | 181 | #define CONFIG_REMOTE_FIFO_MAX_ITERATIONS 1024 |
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| 182 | |
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[12] | 183 | #define CONFIG_RPC_PENDING_MAX 8 // max requests handled by one server |
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| 184 | #define CONFIG_RPC_THREADS_MAX 8 // max number of RPC threads per core |
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[1] | 185 | |
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| 186 | //////////////////////////////////////////////////////////////////////////////////////////// |
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[409] | 187 | // PROCESS INIT & PROCESS USER TERMINALS |
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[1] | 188 | //////////////////////////////////////////////////////////////////////////////////////////// |
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| 189 | |
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[407] | 190 | #define CONFIG_INIT_STDIN "/dev/external/txt1_rx" |
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| 191 | #define CONFIG_INIT_STDOUT "/dev/external/txt1_tx" |
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| 192 | #define CONFIG_INIT_STDERR "/dev/external/txt1_tx" |
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[1] | 193 | |
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[407] | 194 | #define CONFIG_USER_STDIN "/dev/external/txt2_rx" |
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| 195 | #define CONFIG_USER_STDOUT "/dev/external/txt2_tx" |
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| 196 | #define CONFIG_USER_STDERR "/dev/external/txt2_tx" |
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| 197 | |
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[1] | 198 | //////////////////////////////////////////////////////////////////////////////////////////// |
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[409] | 199 | // MAPPER |
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[1] | 200 | //////////////////////////////////////////////////////////////////////////////////////////// |
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| 201 | |
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[12] | 202 | #define CONFIG_MAPPER_MAX_FRAGMENTS 10 // max number of fragments moved |
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| 203 | #define CONFIG_MAPPER_MIN CONFIG_VFS_INODE_MIN |
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| 204 | #define CONFIG_MAPPER_MAX CONFIG_VFS_INODE_MAX |
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[1] | 205 | |
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| 206 | //////////////////////////////////////////////////////////////////////////////////////////// |
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[409] | 207 | // USER SPACE SEGMENTATION / all values are number of pages |
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[1] | 208 | //////////////////////////////////////////////////////////////////////////////////////////// |
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| 209 | |
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[408] | 210 | #define CONFIG_VMM_VSPACE_SIZE 0x100000 // virtual space : 4 Gbytes |
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[1] | 211 | |
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[408] | 212 | #define CONFIG_VMM_KENTRY_BASE 0x000004 // UTILS zone base : 16 Kbytes |
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| 213 | #define CONFIG_VMM_ELF_BASE 0x000400 // ELF zone base : 4 Mbytes |
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| 214 | #define CONFIG_VMM_HEAP_BASE 0x002000 // HEAP zone base : 32 Mbytes |
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| 215 | #define CONFIG_VMM_STACK_BASE 0x0F0000 // STACK zone base : 3.7 Gbytes |
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[1] | 216 | |
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[408] | 217 | #define CONFIG_VMM_KENTRY_SIZE 0x000004 // kentry vseg size : 16 Kbytes |
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| 218 | #define CONFIG_VMM_ARGS_SIZE 0x000004 // args vseg size : 16 Kbytes |
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| 219 | #define CONFIG_VMM_ENVS_SIZE 0x000008 // envs vseg size : 32 Kbytes |
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| 220 | #define CONFIG_VMM_STACK_SIZE 0x000100 // single stack vseg size : 1 Mbytes |
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[1] | 221 | |
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| 222 | #define CONFIG_VMM_GRDXT_W1 7 // number of bits for RADIX_TREE_IX1 |
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| 223 | #define CONFIG_VMM_GRDXT_W2 7 // number of bits for RADIX_TREE_IX2 |
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| 224 | #define CONFIG_VMM_GRDXT_W3 6 // number of bits for RADIX_TREE_IX3 |
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| 225 | |
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| 226 | //////////////////////////////////////////////////////////////////////////////////////////// |
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[296] | 227 | // PHYSICAL MEMORY MANAGEMENT (GENERIC) |
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[1] | 228 | //////////////////////////////////////////////////////////////////////////////////////////// |
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| 229 | |
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| 230 | #define CONFIG_PPM_PAGE_SIZE 4096 // physical page size (bytes) |
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| 231 | #define CONFIG_PPM_PAGE_SHIFT 12 // physical page shift (bits) |
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| 232 | #define CONFIG_PPM_PAGE_MASK 0x00000FFF // physical page mask |
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| 233 | #define CONFIG_PPM_MAX_ORDER 16 // ln(total number of pages per cluster) |
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| 234 | #define CONFIG_PPM_HEAP_ORDER 10 // ln(number of heap pages per cluster) |
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[287] | 235 | #define CONFIG_PPM_MAX_RSVD 32 // max reserved zones on the machine |
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[1] | 236 | |
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[50] | 237 | #define CONFIG_KCM_SLOT_SIZE 64 // smallest allocated block (bytes) |
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[12] | 238 | |
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[16] | 239 | #define CONFIG_PPM_PAGE_ALIGNED __attribute__((aligned(CONFIG_PPM_PAGE_SIZE))) |
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| 240 | |
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[296] | 241 | |
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| 242 | |
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[1] | 243 | //////////////////////////////////////////////////////////////////////////////////////////// |
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[50] | 244 | // deprecated |
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[1] | 245 | //////////////////////////////////////////////////////////////////////////////////////////// |
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| 246 | |
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| 247 | #define CONFIG_DMA_RQ_KCM_MIN 2 |
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| 248 | #define CONFIG_DMA_RQ_KCM_MAX 4 |
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| 249 | #define CONFIG_TASK_KCM_MIN 2 |
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| 250 | #define CONFIG_TASK_KCM_MAX 3 |
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| 251 | #define CONFIG_FDINFO_KCM_MIN 2 |
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| 252 | #define CONFIG_FDINFO_KCM_MAX 2 |
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| 253 | #define CONFIG_DEVFS_CTX_MIN 1 |
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| 254 | #define CONFIG_DEVFS_CTX_MAX 1 |
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| 255 | #define CONFIG_DEVFS_FILE_MIN 2 |
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| 256 | #define CONFIG_DEVFS_FILE_MAX 3 |
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| 257 | #define CONFIG_DEVFS_NODE_MIN 1 |
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| 258 | #define CONFIG_DEVFS_NODE_MAX 2 |
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| 259 | #define CONFIG_VFAT_CTX_MIN 1 |
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| 260 | #define CONFIG_VFAT_CTX_MAX 1 |
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| 261 | |
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| 262 | #define CONFIG_RAMFS_FILE_MIN 3 |
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| 263 | #define CONFIG_RAMFS_FILE_MAX 3 |
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| 264 | |
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| 265 | #define CONFIG_VFAT_FILE_MIN 3 |
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| 266 | #define CONFIG_VFAT_FILE_MAX 3 |
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| 267 | #define CONFIG_VFAT_NODE_MIN 2 |
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| 268 | #define CONFIG_VFAT_NODE_MAX 2 |
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| 269 | |
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| 270 | #define CONFIG_EXT2_CTX_MIN 1 |
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| 271 | #define CONFIG_EXT2_CTX_MAX 1 |
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| 272 | #define CONFIG_EXT2_FILE_MIN 3 |
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| 273 | #define CONFIG_EXT2_FILE_MAX 3 |
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| 274 | #define CONFIG_EXT2_NODE_MIN 2 |
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| 275 | #define CONFIG_EXT2_NODE_MAX 2 |
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| 276 | |
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| 277 | #define CONFIG_VFS_CTX_MIN 1 |
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| 278 | #define CONFIG_VFS_CTX_MAX 1 |
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| 279 | #define CONFIG_VFS_INODE_MIN 3 |
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| 280 | #define CONFIG_VFS_INODE_MAX 6 |
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| 281 | #define CONFIG_VFS_FILE_MIN 3 |
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| 282 | #define CONFIG_VFS_FILE_MAX 5 |
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| 283 | |
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| 284 | #define CONFIG_SEMAPHORE_MIN 2 |
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| 285 | #define CONFIG_SEMAPHORE_MAX 2 |
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| 286 | #define CONFIG_CONDTION_VAR_MIN 2 |
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| 287 | #define CONFIG_CONDTION_VAR_MAX 2 |
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| 288 | #define CONFIG_BARRIER_MIN 2 |
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| 289 | #define CONFIG_BARRIER_MAX 2 |
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| 290 | #define CONFIG_RWLOCK_MIN 2 |
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| 291 | #define CONFIG_RWLOCK_MAX 2 |
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| 292 | #define CONFIG_WAITQUEUEDB_MAX 2 |
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| 293 | #define CONFIG_WAITQUEUEDB_MIN 2 |
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| 294 | #define CONFIG_RADIX_NODE_MIN 10 |
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| 295 | #define CONFIG_RADIX_NODE_MAX 30 |
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| 296 | #define CONFIG_VM_REGION_MIN 1 |
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| 297 | #define CONFIG_VM_REGION_MAX 2 |
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| 298 | #define CONFIG_BLKIO_MIN 4 |
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| 299 | #define CONFIG_BLKIO_MAX 8 |
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| 300 | #define CONFIG_KEYREC_MIN 2 |
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| 301 | #define CONFIG_KEYREC_MAX 2 |
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| 302 | |
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| 303 | |
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| 304 | |
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| 305 | #endif /* _KERNEL_CONFIG_H_ */ |
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