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Subject: Re: cvs commit: src/sys/i386/i386 locore.s
In-reply-to: Your message of "Thu, 09 May 1996 15:43:24 -0400." <199605091943.PAA21086@daub4.isds.duke.edu>
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Date: Fri, 10 May 1996 11:02:54 +1000
From: Stephen Hocking <sysseh@devetir.qld.gov.au>
Sender: owner-current@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk

> 
> Poul-Henning Kamp writes:
>  > I belive this fixes the recent boot problems.
> 
> 
> This appears to fix the problem for me.  All kernels (both previously
> OK & previously loosing configs) I've built since applying
> src-cur.1767 have booted just fine.
> 
It (alas) has not fixed the problem for me. I've rebuilt trwice from scratch 
and with a few different options. I'm now fiddling with the amount of symbol 
table space for DDB to see if that can be made to shift things around enough.
I enclose my config file for your amusement. 


	Stephen


#
#
#	Priapus - the watchdog that has to stay up all the time.
#
#
# This directive is mandatory; it defines the architecture to be
# configured for; in this case, the 386 family.  You must also specify
# at least one CPU (the one you intend to run on); deleting the
# specification for CPUs you don't need to use may make parts of the
# system run faster
#
machine		"i386"
cpu		"I486_CPU"
#cpu		"I586_CPU"		# out until transient problem fixed

# 
# This is the ``identification'' of the kernel.  Usually this should
# be the same as the name of your kernel.
#
ident		priapus

#
# The `maxusers' parameter controls the static sizing of a number of
# internal system tables by a complicated formula defined in param.c.
#
maxusers	20

#
#	Space savers
#
#options "NMBCLUSTERS=128"
#options "BUFPAGES=128"		# 512k for buffers


#
# A math emulator is mandatory if you wish to run on hardware which
# does not have a floating-point processor.  Pick either the original,
# bogus (but freely-distributable) math emulator, or a much more
# fully-featured but GPL-licensed emulator taken from Linux.
#
#options		MATH_EMULATE		#Support for x87 emulation
#options        GPL_MATH_EMULATE        #Support for x87 emualtion via
                                        #new math emulator 

#
# This directive defines a number of things:
#  - The compiled kernel is to be called `kernel'
#  - The root filesystem might be on partition wd0a
#  - The kernel can swap on wd0b and wd1b, defaulting to the former
#  - Crash dumps will be written to wd0b, if possible
#
config		kernel	root on wd0


#####################################################################
# COMPATIBILITY OPTIONS                                             

#
# Implement system calls compatible with 4.3BSD and older versions of
# FreeBSD.
#
options		"COMPAT_43"

#
# Allow user-mode programs to manipulat their local descriptor tables.
# This option is required for the WINE Windows(tm) emulator, and is
# not used by anything else (that we know of).
#
options		USER_LDT		#allow user-level control of i386 ldt

#
# These three options provide support for System V Interface
# Definition-style interprocess communication, in the form of shared
# memory, semaphores, and message queues, respectively.
#
options		SYSVSHM
options		SYSVSEM
options		SYSVMSG


#####################################################################
# DEBUGGING OPTIONS

#
# This line enables the kernel debugger, DDB, and the line following
# allocates extra space for a copy of the debugger symbol table which
# is stored in the initialized data area of the kernel.  If you change
# the latter option, remove db_aout.o before compiling.
#
options		DDB			#Kernel debugger
#options		"SYMTAB_SPACE=113498"	#This kernel needs LOTS of symtable

# 
# KTRACE enables the system-call tracing facility ktrace(2).
#
options		KTRACE			#kernel tracing

#
# The DIAGNOSTIC option is used in a number of source files to enable
# extra sanity checking of internal structures.  This support is not
# enabled by default because of the extra time it would take to check
# for these conditions, which can only occur as a result of
# programming errors.
#
#options		DIAGNOSTIC


#####################################################################
# NETWORKING OPTIONS

#
# Protocol families:
#  Only the INET (Internet) family is officially supported in FreeBSD.
#  Source code for the NS (Xerox Network Service), ISO (OSI), and
#  CCITT (X.25) families is provided for amusement value, although we
#  try to ensure that it actually compiles.
#
options		INET			#Internet communications protocols
#options		ISO
#options		CCITT			#X.25 network layer
#options		NS			#Xerox NS communications protocols
#options		TPIP			#ISO TP class 4 over IP
#options		TPCONS			#ISO TP class 0 over X.25

#
# Network interfaces:
#  The `loop' pseudo-device is mandatory when networking is enabled.
#  The `ether' pseudo-device provides generic code to handle
#  Ethernets; it is mandatory when a Ethernet device driver is
#  configured.
#  The `sl' pseudo-device implements the Serial Line IP (SLIP) service.
#  The `ppp' pseudo-device implements the Point-to-Point Protocol.
#  The `bpfilter' pseudo-device enables the Berkeley Packet Filter.  Be
#  aware of the legal and administrative consequences of enabling this
#  option.  The number of devices determines the maximum number of
#  simultaneous BPF clients programs runnable.
#
pseudo-device	ether			#Generic Ethernet
pseudo-device	loop			#Network loop back device
pseudo-device	sl	2		#Serial Line IP
#pseudo-device	ppp	2		#Point-to-point protocol
pseudo-device	bpfilter	4	#Berkeley packet filter
pseudo-device	tun	1		# Tunnel device

pseudo-device	vn	# Vnode driver (turns file into device)
pseudo-device	disc	# Discard device

#options		NSIP			#XNS over IP
#options		EON			#ISO CLNP over IP
#options		LLC			#X.25 link layer for Ethernets
#options		HDLC			#X.25 link layer for serial lines

#
# Internet family options:
#
# TCP_COMPAT_42 causes the TCP code to emulate certain bugs present in
# 4.2BSD.  This option should not be used unless you have a 4.2BSD
# machine and TCP connections fail.
#
# GATEWAY allows the machine to forward packets, and also configures
# larger static sizes of a number of system tables.
#
# MROUTING enables the kernel multicast packet forwarder, which works
# with mrouted(8).
#
# IPFIREWALL enables support for IP firewall construction, in
# conjunction with the `ipfw' program.  IPFIREWALL_VERBOSE does
# the obvious thing.
#
# ARP_PROXYALL enables global proxy ARP.  Beware!  This can burn
# your house down!  See netinet/if_ether.c for the gory details.
# (Eventually there will be a better management interface.)
#
options		"TCP_COMPAT_42"		#emulate 4.2BSD TCP bugs
#options		GATEWAY			#internetwork gateway
options		MROUTING		# Multicast routing
#options         IPFIREWALL              #firewall
#options         IPFIREWALL_VERBOSE      #print information about
					# dropped packets
#options		ARP_PROXYALL		# global proxy ARP


#####################################################################
# FILESYSTEM OPTIONS

#
# Only the root, /usr, and /tmp filesystems need be statically
# compiled; everything else will be automatically loaded at mount
# time.  (Exception: the UFS family---FFS, MFS, and LFS---cannot
# currently be demand-loaded.)  Some people still prefer to statically
# compile other filesystems as well.
#
# NB: The LFS, PORTAL, and UNION filesystems are known to be buggy,
# and WILL panic your system if you attempt to do anything with them.
# They are included here as an incentive for some enterprising soul to
# sit down and fix them.
#

# One of these is mandatory:
options		FFS			#Fast filesystem
options		NFS			#Network File System

# The rest are optional:
#options		"CD9660"		#ISO 9660 filesystem
#options		FDESC			#File descriptor filesystem
#options		KERNFS			#Kernel filesystem
#options		LFS			#Log filesystem
options		MFS			#Memory File System
#options		MSDOSFS			#MS DOS File System
#options		NULLFS			#NULL filesystem
#options		PORTAL			#Portal filesystem
options		PROCFS			#Process filesystem
#options		UMAPFS			#UID map filesystem
#options		UNION			#Union filesystem
options		DEVFS			#devices filesystem

#
# Disk quotas are supported when this option is enabled.  If you
# change the value of this option, you must do a `make clean' in your
# kernel compile directory in order to get a working kernel.
#
#options		QUOTA			#enable disk quotas


#####################################################################
#
#	IBCS2 (SCO Unix, ISC) SVR3.2 emulation stuff
#		- Allow me to run SCO binaries!
#
#		- Allow me to run Linux binaries
#
options	"COMPAT_IBCS2"
options "LINUX"
#options "IBCS2"

#####################################################################
# MISCELLANEOUS DEVICES AND OPTIONS

#
# Of these, only the `log' device is truly mandatory.  The `pty'
# device usually turns out to be ``effectively mandatory'', as it is
# required for `telnetd', `rlogind', `screen', `emacs', and `xterm',
# among others.
#
pseudo-device	pty	16	#Pseudo ttys
pseudo-device	speaker		#Play IBM BASIC-style noises out your speaker
pseudo-device	log		#Kernel syslog interface (/dev/klog)
#pseudo-device	gzip		#Exec gzipped a.out's


#####################################################################
# HARDWARE DEVICE CONFIGURATION

# ISA and EISA devices:
# Currently there is no separate support for EISA.  There should be.
# Micro Channel is not supported at all.

#
# Mandatory ISA devices: isa, sc, npx
#
controller	isa0

#
# Options for `isa':
#
# ALLOW_CONFLICT_IOADDR suppresses the I/O address conflict checks, so
# that the PS/2 mouse driver doesn't conflict with the console driver.
#
# ALLOW_CONFLICT_IRQ suppresses the interrupt line conflict checks, so
# that multiple devices can share the same IRQ, provided that the
# hardware supports it (it usually doesn't).
#
# BOUNCE_BUFFERS provides support for ISA DMA on machines with more
# than 16 megabytes of memory.  It doesn't hurt on other machines.
# Some broken EISA and VLB hardware may need this, too.

device		sc0	at isa? port "IO_KBD" tty irq 1 vector scintr

#
# Options for `sc':
#
# NCONS specifies the number of virtual consoles.  Specification of
# this value is mandatory.  Due to a compiler bug, when compiling with
# GCC 2.6.0 this option must be a power of two.
#
# FAT_CURSOR specifies the use of a large block cursor rather than the
# hardware default underline.
#
# HARDFONTS allows the driver to load an ISO-8859-1 font to replace
# the default font in your display adapter's memory.
#
# UCONSOLE enables code to let any user get output intended for the
# console.
#
options		"NCONS=4"
options		"FAT_CURSOR"
#options		HARDFONTS
options		UCONSOLE

device		npx0	at isa? port "IO_NPX" irq 13 vector npxintr

#
# Optional ISA and EISA devices:
#


#
# ST-506, ESDI, and IDE hard disks: `wdc' and `wd'
#
# NB: ``Enhanced IDE'' is NOT supported at this time.
#
controller	wdc0	at isa? port "IO_WD1" bio irq 14 flags 0x80ff80ff vector wdintr
disk		wd0	at wdc0 drive 0
disk		wd1	at wdc0 drive 1
#controller	wdc1	at isa? port "IO_WD2" bio irq 15 vector wdintr
#disk		wd2	at wdc1 drive 0
#disk		wd3	at wdc1 drive 1

#
# Standard floppy disk controllers and floppy tapes: `fdc', `fd', and `ft'
#
controller	fdc0	at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr
disk		fd0	at fdc0 drive 0
disk		fd1	at fdc0 drive 1
#tape		ft0	at fdc0 drive 2

#
# Options for `fd':
#
# FDSEEKWAIT selects a non-default head-settle time (i.e., the time to
# wait after a seek is performed).  The default value (1/32 s) is
# usually sufficient.  The units are inverse seconds, so a value of 16
# here means to wait 1/16th of a second; you should choose a power of
# two.
#
#options	FDSEEKWAIT="16"

#
# Other standard PC hardware: `lpt', `mse', `psm', `sio'
#
# lpt: printer port
# mse: Logitech and ATI InPort bus mouse ports
# psm: PS/2 mouse port (needs ALLOW_CONFLICT_IOADDR, above)
# sio: serial ports (see sio(4))

device		lpt0	at isa? port "IO_LPT1" tty irq 7 vector lptintr
#device		mse0	at isa? port 0x23c tty irq 5 vector mseintr
#device		psm0	at isa? port "IO_KBD" tty irq 12 vector psmintr
device		sio0	at isa? port "IO_COM1" tty irq 4 vector siointr
device		sio1	at isa? port "IO_COM2" tty irq 3 vector siointr

# Options for sio:
#options		DSI_SOFT_MODEM		#code for DSI Softmodems

#
# Network interfaces: `ed', `el', `ep', `ie', `is', `le', `lnc'
#
# ed: Western Digital and SMC 80xx; Novell NE1000 and NE2000; 3Com 3C503
# el: 3Com 3C501 (slow!)
# ep: 3Com 3C509 (buggy)
# ie: AT&T StarLAN 10 and EN100; 3Com 3C507; unknown NI5210
# is: Isolan AT 4141-0; Isolink 4110; Novell NE2100
# le: Digital Equipment EtherWorks 2 and EtherWorks 3 (DEPCA, DE100,
#     DE101, DE200, DE201, DE202, DE203, DE204, DE205, DE422)
# lnc: unknown LANCE-based
# ze: PCMCIA ethernet controller.
#

device ed0 at isa? port 0x280 net irq 10 iomem 0xd8000 vector edintr

#
# Audio drivers: `snd', `pca'
#
# SB = SoundBlaster;  PAS = ProAudioSpectrum;  GUS = Gravis UltraSound
# Controls all sound devices
controller	snd0

# Yamaha OPL-3 FM - for SB, SB Pro, SB16, PAS
device opl0     at isa? port 0x388

# Yamaha OPL-3 FM - for PAS
#device opl0     at isa? port 0x38a

# SoundBlaster DSP driver - for SB, SB Pro, SB16, PAS(emulating SB)
device sb0      at isa? port 0x220 irq 5 drq 1 vector sbintr

# SoundBlaster 16 DSP driver - for SB16 - requires sb0 device
device sbxvi0   at isa? drq 5

# SoundBlaster 16 MIDI - for SB16 - requires sb0 device
device sbmidi0  at isa? port 0x330

# ProAudioSpectrum PCM and Midi - for PAS
#device pas0     at isa? port 0x388 irq 10 drq 6 vector pasintr

# MPU-401 - for MPU-401 standalone card
#device mpu0     at isa? port 0x330 irq 6 drq 0

# Gravis UltraSound - for GUS, GUS16, GUSMAX
#device gus0 at isa? port 0x220 irq 11 drq 1 vector gusintr

# Gravis UltraSound 16 bit option - for GUS16 - requires gus0
#device gusxvi0 at isa? port 0x530 irq 7 drq 3 vector adintr

# Gravis UltraSound MAX - for GUSMAX - requires gus0
#device gusmax0 at isa? port 0x32c

# MS Sound System
#device mss0 at isa? port 0x530 irq 10 drq 1 vector adintr

# 6850 UART Midi
#device uart0 at isa? port 0x330 irq 5 vector "m6850intr"

device pca0 at isa? tty

# Miscellaneous hardware: `mcd', `wt', `ctx', `apm'
#
# mcd: Mitsumi CD-ROM
# wt: Wangtek and Archive QIC-02/QIC-36 tape drives
# ctx: Cortex-I frame grabber
# apm: Laptop Advanced Power Management (experimental)
#

#device		mcd0	at isa? port 0x300 bio irq 10 vector mcdintr
#device		wt0	at isa? port 0x300 bio irq 5 drq 1 vector wtintr
#device		ctx0	at isa? port 0x230 iomem 0xd0000
#
#	The joystick!
#
device		joy0	at isa? port "IO_GAME"

# NB: both lines are required
#device		apm0	at isa?
#options		APM

#
# PCI devices:
#
# The main PCI bus device is `pci'.  It provides auto-detection and
# configuration support for all devices on the PCI bus, using either
# configuration mode defined in the PCI specification.
#
# The `ncr' device provides support for the NCR 53C810 and 53C825
# self-contained SCSI host adapters.
#
# The `de' device provides support for the Digital Equipment DC21040
# self-contained Ethernet adapter.
#
#controller	pci0
#device		ncr0
#device		de0


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