freebsd-nq/sys/boot/forth/loader.conf

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# This is loader.conf - a file full of useful variables that you can
# set to change the default load behavior of your system. You should
# not edit this file! Put any overrides into one of the
# loader_conf_files instead and you will be able to update these
# defaults later without spamming your local configuration information.
#
# All arguments must be in double quotes.
#
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# $FreeBSD$
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##############################################################
### Basic configuration options ############################
##############################################################
exec=".( Loading /boot/defaults/loader.conf ) cr"
kernel="kernel" # /boot sub-directory containing kernel and modules
bootfile="kernel" # Kernel name (possibly absolute path)
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kernel_options=""
userconfig_script_load="NO"
userconfig_script_name="/boot/kernel.conf"
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userconfig_script_type="userconfig_script"
Borrow phk's axe and apply the next stage of config(8)'s evolution. Use Warner Losh's "hint" driver to decode ascii strings to fill the resource table at boot time. config(8) no longer generates an ioconf.c table - ie: the configuration no longer has to be compiled into the kernel. You can reconfigure your isa devices with the likes of this at loader(8) time: set hint.ed.0.port=0x320 userconfig will be rewritten to use this style interface one day and will move to /boot/userconfig.4th or something like that. It is still possible to statically compile in a set of hints into a kernel if you do not wish to use loader(8). See the "hints" directive in GENERIC as an example. All device wiring has been moved out of config(8). There is a set of helper scripts (see i386/conf/gethints.pl, and the same for alpha and pc98) that extract the 'at isa? port foo irq bar' from the old files and produces a hints file. If you install this file as /boot/device.hints (and update /boot/defaults/loader.conf - You can do a build/install in sys/boot) then loader will load it automatically for you. You can also compile in the hints directly with: hints "device.hints" as well. There are a few things that I'm not too happy with yet. Under this scheme, things like LINT would no longer be useful as "documentation" of settings. I have renamed this file to 'NOTES' and stored the example hints strings in it. However... this is not something that config(8) understands, so there is a script that extracts the build-specific data from the documentation file (NOTES) to produce a LINT that can be config'ed and built. A stack of man4 pages will need updating. :-/ Also, since there is no longer a difference between 'device' and 'pseudo-device' I collapsed the two together, and the resulting 'device' takes a 'number of units' for devices that still have it statically allocated. eg: 'device fe 4' will compile the fe driver with NFE set to 4. You can then set hints for 4 units (0 - 3). Also note that 'device fe0' will be interpreted as "zero units of 'fe'" which would be bad, so there is a config warning for this. This is only needed for old drivers that still have static limits on numbers of units. All the statically limited drivers that I could find were marked. Please exercise EXTREME CAUTION when transitioning! Moral support by: phk, msmith, dfr, asmodai, imp, and others
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loader_conf_files="/boot/device.hints /boot/loader.conf /boot/loader.conf.local"
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verbose_loading="NO" # Set to YES for verbose loader output
##############################################################
### Splash screen configuration ############################
##############################################################
splash_bmp_load="NO" # Set this to YES for bmp splash screen!
splash_pcx_load="NO" # Set this to YES for pcx splash screen!
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vesa_load="NO" # Set this to YES to load the vesa module
bitmap_load="NO" # Set this to YES if you want splash screen!
bitmap_name="splash.bmp" # Set this to the name of the bmp or pcx file
bitmap_type="splash_image_data" # and place it on the module_path
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##############################################################
### Loader settings ########################################
##############################################################
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#autoboot_delay="10" # Delay in seconds before autobooting
#console="vidconsole" # Set the current console
#currdev="disk1s1a" # Set the current device
module_path="/boot/kernel;/boot/modules;/modules" # Set the module search path
#prompt="\\${interpret}" # Set the command prompt
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#root_disk_unit="0" # Force the root disk unit number
#rootdev="disk1s1a" # Set the root filesystem
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##############################################################
### Kernel settings ########################################
##############################################################
#boot_askname="NO" # Prompt the user for the name of the root device
#boot_ddb="NO" # Instructs the kernel to start in the DDB debugger
#boot_gdb="NO" # Selects gdb-remote mode for the kernel debugger
#boot_single="NO" # Start system in single-user mode
#boot_userconfig="NO" # Run kernel's interactive device configuration program
#boot_verbose="NO" # Causes extra debugging information to be printed
#init_path="/sbin/init:/sbin/oinit:/sbin/init.bak:/stand/sysinstall"
# Sets the list of init candidates
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##############################################################
### Kernel tunables ########################################
##############################################################
#kern.ipc.nmbclusters="" # Set the number of mbuf clusters
#kern.vm.kmem.size="" # Sets the size of kernel memory (bytes)
#machdep.pccard.pcic_irq="0" # Assigns PCCARD controller IRQ (0=polled)
#net.inet.tcp.tcbhashsize="" # Set the value of TCBHASHSIZE
##############################################################
### Filesystem and related modules #########################
##############################################################
# Filesystems
cd9660_load="NO" # ISO 9660 filesystem
coda_load="NO" # CODA filesystem
fdesc_load="NO" # Filedescriptors filesystem
mfs_load="NO" # Memory filesystem
msdos_load="NO" # FAT-12/16/32
nfs_load="NO" # NFS
ntfs_load="NO" # NTFS
nullfs_load="NO" # Null filesystem
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portal_load="NO" # Portal filesystem
procfs_load="NO" # Process filesystem
umap_load="NO" # User-id map filesystem
union_load="NO" # Union filesystem
# Related stuff
ccd_load="NO" # Concatenated disk driver
vinum_load="NO" # Concatenated/mirror/raid driver
vn_load="NO" # Vnode driver
##############################################################
### Screen saver modules ###################################
##############################################################
# This is best done in rc.conf
screensave_load="NO" # Set to YES to load a screensaver module
screensave_name="green_saver" # Set to the name of the screensaver module
##############################################################
### Emulation modules ######################################
##############################################################
fpu_load="NO" # Floating point emulation
gnufpu_load="NO" # GNU floating point emulation
ibcs2_load="NO" # IBCS2 (SCO) emulation
ibcs2_coff_load="NO"
linux_load="NO" # Linux emulation
svr4_load="NO" # SystemV R4 emulation
streams_load="NO" # System V streams module
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##############################################################
### Networking modules #####################################
##############################################################
if_disc_load="NO" # Discard device
if_ppp_load="NO" # Kernel ppp
if_sl_load="NO" # SLIP
if_tun_load="NO" # Tunnel driver (user process ppp)
ipfw_load="NO" # Firewall
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##############################################################
### Networking drivers #####################################
##############################################################
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miibus_load="NO" # miibus support, needed for some drivers
if_an_load="NO" # Aironet 4500/4800 802.11 wireless NICs
if_dc_load="NO" # DEC/Intel 21143 and various workalikes
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if_fxp_load="NO" # Intel EtherExpress PRO/100B (82557, 82558)
if_rl_load="NO" # RealTek 8129/8139
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if_sf_load="NO" # Adaptec Duralink PCI (AIC-6915 "starfire")
if_sis_load="NO" # Silicon Integrated Systems SiS 900/7016
if_sk_load="NO" # SysKonnect SK-984x series PCI gigabit ethernet
if_ti_load="NO" # Alteon Networks Tigon 1 and Tigon 2
if_tl_load="NO" # Texas Instruments TNETE100 ("ThunderLAN")
if_vr_load="NO" # VIA Rhine I and Rhine II
if_wb_load="NO" # Winbond W89C840F
if_wi_load="NO" # WaveLAN/IEEE 802.11 wireless NICs
if_wx_load="NO" # Intel Gigabit Ethernet
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if_xl_load="NO" # 3Com Etherlink XL (3c900, 3c905, 3c905B)
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##############################################################
### USB modules ############################################
##############################################################
usb_load="NO" # USB subsystem
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udbp_load="NO" # USB double bulk pipe host 2 host cables
ugen_load="NO" # USB generic device, if all else fails ...
uhid_load="NO" # Human Interface Devices
ukbd_load="NO" # Keyboard
ulpt_load="NO" # Printer
ums_load="NO" # Mouse
umass_load="NO" # Mass Storage Devices
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umodem_load="NO" # Modems
uscanner_load="NO" # Scanners
This commit adds device driver support for the ADMtek AN986 Pegasus USB ethernet chip. Adapters that use this chip include the LinkSys USB100TX. There are a few others, but I'm not certain of their availability in the U.S. I used an ADMtek eval board for development. Note that while the ADMtek chip is a 100Mbps device, you can't really get 100Mbps speeds over USB. Regardless, this driver uses miibus to allow speed and duplex mode selection as well as autonegotiation. Building and kldloading the driver as a module is also supported. Note that in order to make this driver work, I had to make what some may consider an ugly hack to sys/dev/usb/usbdi.c. The usbd_transfer() function will use tsleep() for synchronous transfers that don't complete right away. This is a problem since there are times when we need to do sync transfers from an interrupt context (i.e. when reading registers from the MAC via the control endpoint), where tsleep() us a no-no. My hack allows the driver to have the code poll for transfer completion subject to the xfer->timeout timeout rather that calling tsleep(). This hack is controlled by a quirk entry and is only enabled for the ADMtek device. Now, I'm sure there are a few of you out there ready to jump on me and suggest some other approach that doesn't involve a busy wait. The only solution that might work is to handle the interrupts in a kernel thread, where you may have something resembling a process context that makes it okay to tsleep(). This is lovely, except we don't have any mechanism like that now, and I'm not about to implement such a thing myself since it's beyond the scope of driver development. (Translation: I'll be damned if I know how to do it.) If FreeBSD ever aquires such a mechanism, I'll be glad to revisit the driver to take advantage of it. In the meantime, I settled for what I perceived to be the solution that involved the least amount of code changes. In general, the hit is pretty light. Also note that my only USB test box has a UHCI controller: I haven't I don't have a machine with an OHCI controller available. Highlights: - Updated usb_quirks.* to add UQ_NO_TSLEEP quirk for ADMtek part. - Updated usbdevs and regenerated generated files - Updated HARDWARE.TXT and RELNOTES.TXT files - Updated sysinstall/device.c and userconfig.c - Updated kernel configs -- device aue0 is commented out by default - Updated /sys/conf/files - Added new kld module directory
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if_aue_load="NO" # ADMtek USB ethernet
if_cue_load="NO" # CATC USB ethernet
if_kue_load="NO" # Kawasaki LSI USB ethernet
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##############################################################
### Other modules ##########################################
##############################################################
bktr_load="NO" # Brooktree Bt848/Bt878 TV/Video Capture Card
ispfw_load="NO" # Qlogic ISP Firmware
random_load="NO" # Random device
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##############################################################
### Module loading syntax example ##########################
##############################################################
#module_load="YES" # loads module "module"
#module_name="realname" # uses "realname" instead of "module"
#module_type="type" # passes "-t type" to load
#module_flags="flags" # passes "flags" to the module
#module_before="cmd" # executes "cmd" before loading the module
#module_after="cmd" # executes "cmd" after loading the module
#module_error="cmd" # executes "cmd" if load fails