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GENERIC revision 1.20 
      1 # $NetBSD: GENERIC,v 1.20 2002/03/24 18:14:27 uch Exp $
      2 #
      3 # GENERIC machine description file
      4 # 
      5 # This machine description file is used to generate the default NetBSD
      6 # kernel.  The generic kernel does not include all options, subsystems
      7 # and device drivers, but should be useful for most applications.
      8 #
      9 # The machine description file can be customised for your specific
     10 # machine to reduce the kernel size and improve its performance.
     11 #
     12 # For further information on compiling NetBSD kernels, see the config(8)
     13 # man page.
     14 #
     15 # For further information on hardware support for this architecture, see
     16 # the intro(4) man page.  For further information about kernel options
     17 # for this architecture, see the options(4) man page.  For an explanation
     18 # of each device driver in this file see the section 4 man page for the
     19 # device.
     20 
     21 include 	"arch/dreamcast/conf/std.dreamcast"
     22 
     23 maxusers	16		# estimated number of users
     24 
     25 # Enable the hooks used for initializing the root memory-disk.
     26 options 	MEMORY_DISK_HOOKS
     27 options 	MEMORY_DISK_IS_ROOT	# force root on memory disk
     28 options 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
     29 options 	MEMORY_DISK_SIZE=2880	# size of memory disk, in blocks
     30 #options 	MEMORY_DISK_SIZE=6000
     31 
     32 # CPU support
     33 options 	SH4
     34 options 	SH7750
     35 options 	PCLOCK=49900000			# 50MHz
     36 #options 	PCLOCK=50000000			# 50MHz
     37 options 	IOM_ROM_BEGIN=0x00000000
     38 options 	IOM_ROM_SIZE=0x00100000		# 1MB
     39 options 	IOM_RAM_BEGIN=0x8c000000
     40 options 	IOM_RAM_SIZE=0x01000000		# 16MB
     41 
     42 # Standard system options
     43 #options 	UCONSOLE	# users can use TIOCCONS (for xconsole)
     44 #options 	INSECURE	# disable kernel security levels
     45 
     46 #options 	RTC_OFFSET=-540
     47 options 	HZ=100		# clock interrupt generates every 1/HZ sec
     48 #options 	NTP		# NTP phase/frequency locked loop
     49 
     50 #options 	KTRACE		# system call tracing via ktrace(1)
     51 
     52 #options	PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
     53 
     54 #options 	SYSVMSG		# System V-like message queues
     55 #options 	SYSVSEM		# System V-like semaphores
     56 #options 	SEMMNI=10	# number of semaphore identifiers
     57 #options 	SEMMNS=60	# number of semaphores in system
     58 #options 	SEMUME=10	# max number of undo entries per process
     59 #options 	SEMMNU=30	# number of undo structures in system
     60 #options 	SYSVSHM		# System V-like memory sharing
     61 #options 	SHMMAXPGS=1024	# 1024 pages is the default
     62 
     63 # Diagnostic/debugging support options
     64 #options 	DIAGNOSTIC	# cheap kernel consistency checks
     65 #options 	DEBUG		# expensive debugging checks/support
     66 #options 	DDB		# in-kernel debugger
     67 #options 	KGDB			# remote debugger
     68 #options 	"KGDB_DEVNAME=\"scif\"",KGDB_DEVRATE=57600
     69 #makeoptions	DEBUG="-g"	# compile full symbol table
     70 #options 	SYSCALL_DEBUG
     71 #options 	UVMHIST
     72 #options 	UVMHIST_PRINT
     73 
     74 # Compatibility options
     75 options 	COMPAT_43	# and 4.3BSD
     76 
     77 # Executable format options
     78 options 	EXEC_COFF	# COFF executables
     79 options 	EXEC_ELF32	# 32-bit ELF executables
     80 
     81 # File systems
     82 file-system 	FFS		# UFS
     83 file-system 	MFS		# memory file system
     84 file-system 	NFS		# Network File System client
     85 file-system 	PROCFS		# /proc
     86 file-system 	KERNFS		# /kern
     87 #file-system 	NULLFS		# loopback file system
     88 #file-system 	UMAPFS		# NULLFS + uid and gid remapping
     89 file-system	CD9660		# CD-ROM file system
     90 
     91 # File system options
     92 #options 	QUOTA		# UFS quotas
     93 #options 	NFSSERVER	# Network File System server
     94 
     95 # Networking options
     96 options 	INET		# IP + ICMP + TCP + UDP
     97 options 	NFS_BOOT_DHCP	# Support DHCP NFS root
     98 
     99 #options 	PCIVERBOSE	# verbose PCI device autoconfig messages
    100 #options 	PCI_CONFIG_DUMP	# verbosely dump PCI config space
    101 
    102 # Kernel root file system and dump configuration.
    103 #config		netbsd	root on ? type nfs
    104 #config		netbsd	root on wd0a type ffs
    105 config		netbsd	root on ? type ?
    106 
    107 
    108 # wscons options
    109 options 	WSEMUL_VT100		# VT100 / VT220 emulation
    110 options 	FONT_BOLD8x16
    111 
    112 #
    113 # Device configuration
    114 #
    115 
    116 mainbus0 at root
    117 
    118 cpu*		at mainbus?
    119 shb*		at mainbus?
    120 
    121 # Serial Devices
    122 #options		SCIFCONSOLE
    123 options 	SCIFCN_SPEED=57600
    124 scif0		at shb?
    125 
    126 pvr0		at shb?
    127 wsdisplay*	at pvr? console ?
    128 
    129 maple0		at shb?
    130 mkbd*		at maple? port ? subunit ?
    131 wskbd*		at mkbd? console ?
    132 
    133 gdrom0		at shb?
    134 
    135 g2bus0		at shb?
    136 gapspci*	at g2bus?			# GAPS PCI bridge
    137 pci*		at gapspci?
    138 rtk*		at pci? dev ? function ?	# SEGA Broadband Adapter
    139 ukphy*		at mii? phy ?
    140 
    141 #pseudo-device	vnd		4	# disk-like interface to files
    142 #pseudo-device	bpfilter	8	# Berkeley packet filter
    143 #pseudo-device	bridge			# simple inter-network bridging
    144 #pseudo-device	ipfilter		# IP filter (firewall) and NAT
    145 pseudo-device	loop			# network loopback
    146 pseudo-device	pty			# pseudo-terminals
    147 #pseudo-device	ppp		2	# Point-to-Point Protocol
    148 #pseudo-device	pppoe			# PPP over Ethernet (RFC 2516)
    149 #pseudo-device	tun		2	# network tunneling over tty
    150 pseudo-device	rnd			# /dev/random and in-kernel generator
    151 pseudo-device	md		1	# memory disk device (ramdisk)
    152