The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/arm/conf/CRB

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    1 # GENERIC -- Generic kernel configuration file for FreeBSD/arm
    2 #
    3 # For more information on this file, please read the handbook section on
    4 # Kernel Configuration Files:
    5 #
    6 #    http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
    7 #
    8 # The handbook is also available locally in /usr/share/doc/handbook
    9 # if you've installed the doc distribution, otherwise always see the
   10 # FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
   11 # latest information.
   12 #
   13 # An exhaustive list of options and more detailed explanations of the
   14 # device lines is also present in the ../../conf/NOTES and NOTES files.
   15 # If you are in doubt as to the purpose or necessity of a line, check first
   16 # in NOTES.
   17 #
   18 # $FreeBSD: releng/10.0/sys/arm/conf/CRB 253845 2013-07-31 17:21:18Z obrien $
   19 
   20 ident           CRB
   21 
   22 options         PHYSADDR=0x00000000
   23 options         KERNPHYSADDR=0x00200000 
   24 options         KERNVIRTADDR=0xc0200000         # Used in ldscript.arm
   25 
   26 options         COUNTS_PER_SEC=400000000
   27 options         STARTUP_PAGETABLE_ADDR=0x00000000
   28 include         "../xscale/i8134x/std.crb"
   29 makeoptions     MODULES_OVERRIDE=""
   30 
   31 #makeoptions    DEBUG=-g                #Build kernel with gdb(1) debug symbols
   32 makeoptions     CONF_CFLAGS=-mcpu=xscale
   33 options         HZ=100
   34 options         BREAK_TO_DEBUGGER
   35 #options        DEVICE_POLLING
   36 
   37 options         SCHED_4BSD              #4BSD scheduler
   38 options         INET                    #InterNETworking
   39 options         INET6                   #IPv6 communications protocols
   40 options         FFS                     #Berkeley Fast Filesystem
   41 options         SOFTUPDATES             #Enable FFS soft updates support
   42 options         UFS_ACL                 #Support for access control lists
   43 options         UFS_DIRHASH             #Improve performance on big directories
   44 options         NFSCL                   #New Network Filesystem Client
   45 options         NFSD                    #New Network Filesystem Server
   46 options         NFSLOCKD                #Network Lock Manager
   47 options         NFS_ROOT                #NFS usable as /, requires NFSCL
   48 #options        MSDOSFS                 #MSDOS Filesystem
   49 options         CD9660                  #ISO 9660 Filesystem
   50 #options        PROCFS                  #Process filesystem (requires PSEUDOFS)
   51 options         PSEUDOFS                #Pseudo-filesystem framework
   52 options         SCSI_DELAY=5000         #Delay (in ms) before probing SCSI
   53 options         KTRACE                  #ktrace(1) support
   54 options         INTR_FILTER
   55 options         SYSVSHM                 #SYSV-style shared memory
   56 options         SYSVMSG                 #SYSV-style message queues
   57 options         SYSVSEM                 #SYSV-style semaphores
   58 options         _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions
   59 options         KBD_INSTALL_CDEV        # install a CDEV entry in /dev
   60 options         BOOTP
   61 options         BOOTP_NFSROOT
   62 options         BOOTP_NFSV3
   63 options         BOOTP_WIRED_TO=em0
   64 options         BOOTP_COMPAT
   65 #options        PREEMPTION
   66 device          loop
   67 device          ether
   68 #device         saarm
   69 device          miibus
   70 device          rl
   71 device          em
   72 device          uart
   73 device          pci
   74 
   75 device          ata
   76 options         ATA_STATIC_ID   # Static device numbering
   77 
   78 device          scbus           # SCSI bus (required for ATA/SCSI)
   79 device          cd              # CD
   80 device          da              # Direct Access (disks)
   81 device          pass            # Passthrough device (direct ATA/SCSI access)
   82 
   83 device          "7seg"
   84 
   85 # SCSI Controllers
   86 
   87 #options        AHC_REG_PRETTY_PRINT    # Print register bitfields in debug
   88                                         # output.  Adds ~128k to driver.
   89 #options        AHD_REG_PRETTY_PRINT    # Print register bitfields in debug
   90                                         # output.  Adds ~215k to driver.
   91 
   92 # Debugging for use in -current
   93 options         KDB
   94 options         DDB                     #Enable the kernel debugger
   95 #options        DEADLKRES               #Enable the deadlock resolver
   96 #options        INVARIANTS              #Enable calls of extra sanity checking
   97 #options        INVARIANT_SUPPORT       #Extra sanity checks of internal structures, required by INVARIANTS
   98 #options        WITNESS                 #Enable checks to detect deadlocks and cycles
   99 #options        WITNESS_SKIPSPIN        #Don't run witness on spinlocks for speed
  100 #options        DIAGNOSTIC
  101 
  102 # To make an SMP kernel, the next two are needed
  103 #options        SMP                     # Symmetric MultiProcessor Kernel
  104 #options        APIC_IO                 # Symmetric (APIC) I/O
  105 options         XSCALE_CACHE_READ_WRITE_ALLOCATE
  106 device          md
  107 device          random          # Entropy device
  108 
  109 device          iopwdog
  110 options         ARM_USE_SMALL_ALLOC
  111 # Floppy drives
  112

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