8b8a0b53b1
I changed a few bits here and there, mainly renaming wd82371.c to ide_pci.c now that it's supposed to handle different chipsets. It runs on my P6 natoma board with two Maxtor drives, and also on a Fujitsu machine I have at work with an Opti chipset and a Quantum drive. Submitted by:cgull@smoke.marlboro.vt.us <John Hood> Original readme: *** WARNING *** This code has so far been tested on exactly one motherboard with two identical drives known for their good DMA support. This code, in the right circumstances, could corrupt data subtly, silently, and invisibly, in much the same way that older PCI IDE controllers do. It's ALPHA-quality code; there's one or two major gaps in my understanding of PCI IDE still. Don't use this code on any system with data that you care about; it's only good for hack boxes. Expect that any data may be silently and randomly corrupted at any moment. It's a disk driver. It has bugs. Disk drivers with bugs munch data. It's a fact of life. I also *STRONGLY* recommend getting a copy of your chipset's manual and the ATA-2 or ATA-3 spec and making sure that timing modes on your disk drives and IDE controller are being setup correctly by the BIOS-- because the driver makes only the lamest of attempts to do this just now. *** END WARNING *** that said, i happen to think the code is working pretty well... WHAT IT DOES: this code adds support to the wd driver for bus mastering PCI IDE controllers that follow the SFF-8038 standard. (all the bus mastering PCI IDE controllers i've seen so far do follow this standard.) it should provide busmastering on nearly any current P5 or P6 chipset, specifically including any Intel chipset using one of the PIIX south bridges-- this includes the '430FX, '430VX, '430HX, '430TX, '440LX, and (i think) the Orion '450GX chipsets. specific support is also included for the VIA Apollo VP-1 chipset, as it appears in the relabeled "HXPro" incarnation seen on cheap US$70 taiwanese motherboards (that's what's in my development machine). it works out of the box on controllers that do DMA mode2; if my understanding is correct, it'll probably work on Ultra-DMA33 controllers as well. it'll probably work on busmastering IDE controllers in PCI slots, too, but this is an area i am less sure about. it cuts CPU usage considerably and improves drive performance slightly. usable numbers are difficult to come by with existing benchmark tools, but experimentation on my K5-P90 system, with VIA VP-1 chipset and Quantum Fireball 1080 drives, shows that disk i/o on raw partitions imposes perhaps 5% cpu load. cpu load during filesystem i/o drops a lot, from near 100% to anywhere between 30% and 70%. (the improvement may not be as large on an Intel chipset; from what i can tell, the VIA VP-1 may not be very efficient with PCI I/O.) disk performance improves by 5% or 10% with these drives. real, visible, end-user performance improvement on a single user machine is about nil. :) a kernel compile was sped up by a whole three seconds. it *does* feel a bit better-behaved when the system is swapping heavily, but a better disk driver is not the fix for *that* problem. THE CODE: this code is a patch to wd.c and wd82371.c, and associated header files. it should be considered alpha code; more work needs to be done. wd.c has fairly clean patches to add calls to busmaster code, as implemented in wd82371.c and potentially elsewhere (one could imagine, say, a Mac having a different DMA controller). wd82371.c has been considerably reworked: the wddma interface that it presents has been changed (expect more changes), many bugs have been fixed, a new internal interface has been added for supporting different chipsets, and the PCI probe has been considerably extended. the interface between wd82371.c and wd.c is still fairly clean, but i'm not sure it's in the right place. there's a mess of issues around ATA/ATAPI that need to be sorted out, including ATAPI support, CD-ROM support, tape support, LS-120/Zip support, SFF-8038i DMA, UltraDMA, PCI IDE controllers, bus probes, buggy controllers, controller timing setup, drive timing setup, world peace and kitchen sinks. whatever happens with all this and however it gets partitioned, it is fairly clear that wd.c needs some significant rework-- probably a complete rewrite. timing setup on disk controllers is something i've entirely punted on. on my development machine, it appears that the BIOS does at least some of the necessary timing setup. i chose to restrict operation to drives that are already configured for Mode4 PIO and Mode2 multiword DMA, since the timing is essentially the same and many if not most chipsets use the same control registers for DMA and PIO timing. does anybody *know* whether BIOSes are required to do timing setup for DMA modes on drives under their care? error recovery is probably weak. early on in development, i was getting drive errors induced by bugs in the driver; i used these to flush out the worst of the bugs in the driver's error handling, but problems may remain. i haven't got a drive with bad sectors i can watch the driver flail on. complaints about how wd82371.c has been reindented will be ignored until the FreeBSD project has a real style policy, there is a mechanism for individual authors to match it (indent flags or an emacs c-mode or whatever), and it is enforced. if i'm going to use a source style i don't like, it would help if i could figure out what it *is* (style(9) is about half of a policy), and a way to reasonably duplicate it. i ended up wasting a while trying to figure out what the right thing to do was before deciding reformatting the whole thing was the worst possible thing to do, except for all the other possibilities. i have maintained wd.c's indentation; that was not too hard, fortunately. TO INSTALL: my dev box is freebsd 2.2.2 release. fortunately, wd.c is a living fossil, and has diverged very little recently. included in this tarball is a patch file, 'otherdiffs', for all files except wd82371.c, my edited wd82371.c, a patch file, 'wd82371.c-diff-exact', against the 2.2.2 dist of 82371.c, and another patch file, 'wd82371.c-diff-whitespace', generated with diff -b (ignore whitespace). most of you not using 2.2.2 will probably have to use this last patchfile with 'patch --ignore-whitespace'. apply from the kernel source tree root. as far as i can tell, this should apply cleanly on anything from -current back to 2.2.2 and probably back to 2.2.0. you, the kernel hacker, can figure out what to do from here. if you need more specific directions, you probably should not be experimenting with this code yet. to enable DMA support, set flag 0x2000 for that drive in your config file or in userconfig, as you would the 32-bit-PIO flag. the driver will then turn on DMA support if your drive and controller pass its tests. it's a bit picky, probably. on discovering DMA mode failures or disk errors or transfers that the DMA controller can't deal with, the driver will fall back to PIO, so it is wise to setup the flags as if PIO were still important. 'controller wdc0 at isa? port "IO_WD1" bio irq 14 flags 0xa0ffa0ff vector wdintr' should work with nearly any PCI IDE controller. i would *strongly* suggest booting single-user at first, and thrashing the drive a bit while it's still mounted read-only. this should be fairly safe, even if the driver goes completely out to lunch. it might save you a reinstall. one way to tell whether the driver is really using DMA is to check the interrupt count during disk i/o with vmstat; DMA mode will add an extremely low number of interrupts, as compared to even multi-sector PIO. boot -v will give you a copious register dump of timing-related info on Intel and VIAtech chipsets, as well as PIO/DMA mode information on all hard drives. refer to your ATA and chipset documentation to interpret these. WHAT I'D LIKE FROM YOU and THINGS TO TEST: reports. success reports, failure reports, any kind of reports. :) send them to cgull+ide@smoke.marlboro.vt.us. i'd also like to see the kernel messages from various BIOSes (boot -v; dmesg), along with info on the motherboard and BIOS on that machine. i'm especially interested in reports on how this code works on the various Intel chipsets, and whether the register dump works correctly. i'm also interested in hearing about other chipsets. i'm especially interested in hearing success/failure reports for PCI IDE controllers on cards, such as CMD's or Promise's new busmastering IDE controllers. UltraDMA-33 reports. interoperation with ATAPI peripherals-- FreeBSD doesn't work with my old Hitachi IDE CDROM, so i can't tell if I've broken anything. :) i'd especially like to hear how the drive copes in DMA operation on drives with bad sectors. i haven't been able to find any such yet. success/failure reports on older IDE drives with early support for DMA modes-- those introduced between 1.5 and 3 years ago, typically ranging from perhaps 400MB to 1.6GB. failure reports on operation with more than one drive would be appreciated. the driver was developed with two drives on one controller, the worst-case situation, and has been tested with one drive on each controller, but you never know... any reports of messages from the driver during normal operation, especially "reverting to PIO mode", or "dmaverify odd vaddr or length" (the DMA controller is strongly halfword oriented, and i'm curious to know if any FreeBSD usage actually needs misaligned transfers). performance reports. beware that bonnie's CPU usage reporting is useless for IDE drives; the best test i've found has been to run a program that runs a spin loop at an idle priority and reports how many iterations it manages, and even that sometimes produces numbers i don't believe. performance reports of multi-drive operation are especially interesting; my system cannot sustain full throughput on two drives on separate controllers, but that may just be a lame motherboard. THINGS I'M STILL MISSING CLUE ON: * who's responsible for configuring DMA timing modes on IDE drives? the BIOS or the driver? * is there a spec for dealing with Ultra-DMA extensions? * are there any chipsets or with bugs relating to DMA transfer that should be blacklisted? * are there any ATA interfaces that use some other kind of DMA controller in conjunction with standard ATA protocol? FINAL NOTE: after having looked at the ATA-3 spec, all i can say is, "it's ugly". *especially* electrically. the IDE bus is best modeled as an unterminated transmission line, these days. for maximum reliability, keep your IDE cables as short as possible and as few as possible. from what i can tell, most current chipsets have both IDE ports wired into a single buss, to a greater or lesser degree. using two cables means you double the length of this bus. SCSI may have its warts, but at least the basic analog design of the bus is still somewhat reasonable. IDE passed beyond the veil two years ago. --John Hood, cgull@smoke.marlboro.vt.us
297 lines
13 KiB
Plaintext
297 lines
13 KiB
Plaintext
# This file tells config what files go into building a kernel,
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# files marked standard are always included.
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#
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# $Id: files.i386,v 1.168 1997/07/25 11:53:20 phk Exp $
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#
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aic7xxx_asm optional ahc device-driver \
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dependency "$S/dev/aic7xxx/*.[chyl]" \
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compile-with "cd $S/dev/aic7xxx; make obj; make BINDIR=${.CURDIR} all install" \
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no-obj no-implicit-rule \
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clean "aic7xxx_asm"
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#
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# The long compile-with and dependency lines are required because of
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# limitations in config: backslash-newline doesn't work in strings, and
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# dependency lines other than the first are silently ignored.
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#
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aic7xxx_{seq,reg}.h optional ahc device-driver \
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compile-with "./aic7xxx_asm ${INCLUDES} -o aic7xxx_seq.h -r aic7xxx_reg.h $S/dev/aic7xxx/aic7xxx.seq" \
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no-obj no-implicit-rule before-depend \
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clean "aic7xxx_seq.h aic7xxx_reg.h" \
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dependency "$S/dev/aic7xxx/aic7xxx.{reg,seq} $S/scsi/scsi_message.h aic7xxx_asm"
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#
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linux_genassym optional compat_linux \
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dependency "$S/i386/linux/linux_genassym.c $S/i386/linux/linux.h" \
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compile-with "${CC} ${CFLAGS} ${PARAM} -UKERNEL -o $@ $<" \
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no-obj no-implicit-rule \
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clean "linux_genassym"
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#
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linux_assym.h optional compat_linux \
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dependency "linux_genassym" \
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compile-with "./linux_genassym > $@" \
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no-obj no-implicit-rule before-depend \
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clean "linux_assym.h"
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#
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font8x16.o optional std8x16font \
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compile-with "uudecode < /usr/share/syscons/fonts/${STD8X16FONT}-8x16.fnt && file2c 'unsigned char font_16[16*256] = {' '};' < ${STD8X16FONT}-8x16 > font8x16.c && ${CC} -c ${CFLAGS} font8x16.c" \
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no-implicit-rule before-depend \
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clean "${STD8X16FONT}-8x16 font8x16.c"
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#
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i386/scsi/93cx6.c optional ahc device-driver
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i386/apm/apm.c optional apm device-driver
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i386/apm/apm_setup.s optional apm
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i386/eisa/3c5x9.c optional ep device-driver
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i386/eisa/aic7770.c optional ahc device-driver \
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dependency "aic7xxx_reg.h $S/i386/eisa/aic7770.c"
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i386/eisa/aha1742.c optional ahb device-driver
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i386/eisa/bt74x.c optional bt device-driver
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i386/eisa/eisaconf.c optional eisa
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i386/eisa/if_vx_eisa.c optional vx device-driver
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i386/eisa/if_fea.c optional fea device-driver
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i386/i386/autoconf.c standard device-driver
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i386/i386/cons.c standard
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i386/i386/db_disasm.c optional ddb
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i386/i386/db_interface.c optional ddb
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i386/i386/db_trace.c optional ddb
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i386/i386/i386-gdbstub.c optional ddb
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i386/i386/exception.s standard
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i386/i386/identcpu.c standard
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i386/i386/in_cksum.c optional inet
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i386/i386/initcpu.c standard
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# locore.s needs to be handled in Makefile to put it first. Otherwise it's
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# now normal.
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# i386/i386/locore.s standard
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i386/i386/machdep.c standard
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i386/i386/math_emulate.c optional math_emulate
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i386/i386/mem.c standard
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i386/i386/microtime.s standard
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i386/i386/mp_machdep.c optional smp
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i386/i386/mpapic.c optional smp
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i386/i386/mpboot.s optional smp
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i386/i386/mplock.s optional smp
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i386/i386/perfmon.c optional perfmon profiling-routine
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i386/i386/perfmon.c optional perfmon
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i386/i386/pmap.c standard
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i386/i386/procfs_machdep.c standard
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i386/i386/simplelock.s optional smp
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i386/i386/support.s standard
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i386/i386/swtch.s standard
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i386/i386/sys_machdep.c standard
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i386/i386/trap.c standard
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i386/i386/userconfig.c optional userconfig
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i386/i386/vm_machdep.c standard
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i386/ibcs2/ibcs2_fcntl.c optional ibcs2
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i386/ibcs2/ibcs2_stat.c optional ibcs2
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i386/ibcs2/ibcs2_ipc.c optional ibcs2
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i386/ibcs2/ibcs2_msg.c optional ibcs2
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i386/ibcs2/ibcs2_misc.c optional ibcs2
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i386/ibcs2/ibcs2_other.c optional ibcs2
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i386/ibcs2/ibcs2_signal.c optional ibcs2
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i386/ibcs2/ibcs2_ioctl.c optional ibcs2
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i386/ibcs2/ibcs2_socksys.c optional ibcs2
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i386/ibcs2/ibcs2_sysi86.c optional ibcs2
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i386/ibcs2/ibcs2_util.c optional ibcs2
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i386/ibcs2/ibcs2_isc.c optional ibcs2
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i386/ibcs2/ibcs2_isc_sysent.c optional ibcs2
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i386/ibcs2/ibcs2_xenix.c optional ibcs2
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i386/ibcs2/ibcs2_xenix_sysent.c optional ibcs2
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i386/ibcs2/ibcs2_errno.c optional ibcs2
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i386/ibcs2/ibcs2_sysent.c optional ibcs2
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i386/ibcs2/ibcs2_sysvec.c optional ibcs2
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i386/ibcs2/imgact_coff.c optional ibcs2
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i386/isa/aha1542.c optional aha device-driver
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i386/isa/aic6360.c optional aic device-driver
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i386/isa/b004.c optional bqu device-driver
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i386/isa/bt5xx-445.c optional bt device-driver
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i386/isa/clock.c standard
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i386/isa/cronyx.c optional cx device-driver
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i386/isa/ctx.c optional ctx device-driver
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i386/isa/cx.c optional cx device-driver
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i386/isa/cy.c optional cy device-driver
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i386/isa/diskslice_machdep.c standard
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i386/isa/elink.c optional ep device-driver
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i386/isa/elink.c optional ie device-driver
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i386/isa/fd.c optional fd device-driver
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i386/isa/ft.c optional ft device-driver
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i386/isa/gpib.c optional gp device-driver
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i386/isa/asc.c optional asc device-driver
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i386/isa/gsc.c optional gsc device-driver
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i386/isa/if_ar.c optional ar device-driver
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i386/isa/if_cx.c optional cx device-driver
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i386/isa/if_ed.c optional ed device-driver
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i386/isa/if_eg.c optional eg device-driver
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i386/isa/if_el.c optional el device-driver
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i386/isa/if_ep.c optional ep device-driver
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i386/isa/if_ex.c optional ex device-driver
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i386/isa/if_fe.c optional fe device-driver
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i386/isa/if_ie.c optional ie device-driver
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i386/isa/if_le.c optional le device-driver
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i386/isa/if_lnc.c optional lnc device-driver
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i386/isa/if_sr.c optional sr device-driver
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i386/isa/if_wl.c optional wl device-driver
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i386/isa/if_ze.c optional ze device-driver
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i386/isa/if_zp.c optional zp device-driver
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i386/isa/ipl_funcs.c standard \
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compile-with "${CC} -c ${CFLAGS} ${DEFINED_PROF:S/^$/-fomit-frame-pointer/} $<"
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i386/isa/intr_machdep.c standard
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i386/isa/isa.c optional isa device-driver
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i386/isa/istallion.c optional stli device-driver
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i386/isa/joy.c optional joy device-driver
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i386/isa/kbdio.c optional psm device-driver
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i386/isa/kbdio.c optional sc device-driver
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i386/isa/kbdio.c optional vt device-driver
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i386/isa/lpt.c optional lpt device-driver
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i386/isa/labpc.c optional labpc device-driver
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i386/isa/mcd.c optional mcd device-driver
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i386/isa/mse.c optional mse device-driver
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i386/isa/ncr5380.c optional nca device-driver
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i386/isa/npx.c optional npx device-driver
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i386/isa/pcaudio.c optional pca device-driver
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i386/isa/matcd/matcd.c optional matcd device-driver
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i386/isa/pcibus.c optional pci device-driver
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i386/isa/pcicx.c optional ze device-driver
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i386/isa/pcicx.c optional zp device-driver
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i386/isa/pcvt/pcvt_drv.c optional vt device-driver
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i386/isa/pcvt/pcvt_ext.c optional vt device-driver
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i386/isa/pcvt/pcvt_kbd.c optional vt device-driver
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i386/isa/pcvt/pcvt_out.c optional vt device-driver
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i386/isa/pcvt/pcvt_sup.c optional vt device-driver
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i386/isa/pcvt/pcvt_vtf.c optional vt device-driver
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i386/isa/prof_machdep.c optional profiling-routine
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i386/isa/psm.c optional psm device-driver
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i386/isa/qcam.c optional qcam device-driver
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i386/isa/qcamio.c optional qcam device-driver
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i386/isa/random_machdep.c standard
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i386/isa/rc.c optional rc device-driver
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i386/isa/scd.c optional scd device-driver
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i386/isa/seagate.c optional sea device-driver
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i386/isa/si.c optional si device-driver
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i386/isa/si_code.c optional si device-driver
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i386/isa/sio.c optional sio device-driver
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i386/isa/sound/dev_table.c optional snd device-driver
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i386/isa/sound/soundcard.c optional snd device-driver
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i386/isa/sound/sound_switch.c optional snd device-driver
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i386/isa/sound/audio.c optional snd device-driver
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i386/isa/sound/dmabuf.c optional snd device-driver
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i386/isa/sound/sys_timer.c optional snd device-driver
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i386/isa/sound/sequencer.c optional snd device-driver
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i386/isa/sound/patmgr.c optional snd device-driver
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i386/isa/sound/adlib_card.c optional opl device-driver
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i386/isa/sound/opl3.c optional opl device-driver
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i386/isa/sound/gus_card.c optional gus device-driver
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i386/isa/sound/gus_midi.c optional gus device-driver
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i386/isa/sound/gus_vol.c optional gus device-driver
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i386/isa/sound/gus_wave.c optional gus device-driver
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i386/isa/sound/ics2101.c optional gus device-driver
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i386/isa/sound/sound_timer.c optional gus device-driver
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i386/isa/sound/midi_synth.c optional gus device-driver
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i386/isa/sound/midibuf.c optional gus device-driver
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i386/isa/sound/ad1848.c optional gusxvi device-driver
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i386/isa/sound/ad1848.c optional gus device-driver
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i386/isa/sound/ad1848.c optional mss device-driver
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i386/isa/sound/midi_synth.c optional mss device-driver
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i386/isa/sound/midibuf.c optional mss device-driver
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i386/isa/sound/mpu401.c optional mpu device-driver
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i386/isa/sound/midi_synth.c optional mpu device-driver
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i386/isa/sound/midibuf.c optional mpu device-driver
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i386/isa/sound/pas2_card.c optional pas device-driver
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i386/isa/sound/pas2_midi.c optional pas device-driver
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i386/isa/sound/pas2_mixer.c optional pas device-driver
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i386/isa/sound/pas2_pcm.c optional pas device-driver
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i386/isa/sound/midi_synth.c optional pas device-driver
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i386/isa/sound/midibuf.c optional pas device-driver
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i386/isa/sound/sb_card.c optional sb device-driver
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i386/isa/sound/sb_dsp.c optional sb device-driver
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i386/isa/sound/sb_midi.c optional sb device-driver
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i386/isa/sound/sb_mixer.c optional sb device-driver
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i386/isa/sound/midi_synth.c optional sb device-driver
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i386/isa/sound/midibuf.c optional sb device-driver
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i386/isa/sound/sb16_dsp.c optional sbxvi device-driver
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i386/isa/sound/sb16_midi.c optional sbmidi device-driver
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i386/isa/sound/uart6850.c optional uart device-driver
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i386/isa/sound/midi_synth.c optional uart device-driver
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i386/isa/sound/midibuf.c optional uart device-driver
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i386/isa/sound/trix.c optional trix device-driver
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i386/isa/sound/sscape.c optional sscape device-driver
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i386/isa/sound/awe_wave.c optional awe device-driver
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i386/isa/spigot.c optional spigot device-driver
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i386/isa/spkr.c optional speaker device-driver
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i386/isa/stallion.c optional stl device-driver
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i386/isa/syscons.c optional sc device-driver
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i386/isa/tw.c optional tw device-driver
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i386/isa/ultra14f.c optional uha device-driver
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i386/isa/wd.c optional wdc device-driver
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i386/isa/wd.c optional wd device-driver
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i386/isa/atapi.c optional atapi device-driver
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i386/isa/wcd.c optional wcd device-driver
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i386/isa/wd7000.c optional wds device-driver
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i386/isa/wt.c optional wt device-driver
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i386/linux/imgact_linux.c optional compat_linux
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i386/linux/linux_dummy.c optional compat_linux
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i386/linux/linux_file.c optional compat_linux
|
|
i386/linux/linux_ioctl.c optional compat_linux
|
|
i386/linux/linux_ipc.c optional compat_linux
|
|
i386/linux/linux_locore.s optional compat_linux \
|
|
dependency "linux_assym.h"
|
|
i386/linux/linux_misc.c optional compat_linux
|
|
i386/linux/linux_signal.c optional compat_linux
|
|
i386/linux/linux_socket.c optional compat_linux
|
|
i386/linux/linux_stats.c optional compat_linux
|
|
i386/linux/linux_sysent.c optional compat_linux
|
|
i386/linux/linux_sysvec.c optional compat_linux
|
|
i386/linux/linux_util.c optional compat_linux
|
|
i386/scsi/aic7xxx.c optional ahc device-driver \
|
|
dependency "aic7xxx_{reg,seq}.h"
|
|
i386/scsi/bt.c optional bt device-driver
|
|
libkern/bcd.c standard
|
|
libkern/divdi3.c standard
|
|
libkern/inet_ntoa.c standard
|
|
libkern/index.c standard
|
|
libkern/mcount.c optional profiling-routine
|
|
libkern/moddi3.c standard
|
|
libkern/qdivrem.c standard
|
|
libkern/qsort.c standard
|
|
libkern/random.c standard
|
|
libkern/scanc.c standard
|
|
libkern/skpc.c standard
|
|
libkern/strcat.c standard
|
|
libkern/strcmp.c standard
|
|
libkern/strcpy.c standard
|
|
libkern/strlen.c standard
|
|
libkern/strncmp.c standard
|
|
libkern/strncpy.c standard
|
|
libkern/udivdi3.c standard
|
|
libkern/umoddi3.c standard
|
|
gnu/i386/fpemul/div_small.s optional gpl_math_emulate
|
|
gnu/i386/fpemul/errors.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/fpu_arith.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/fpu_aux.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/fpu_entry.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/fpu_etc.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/fpu_trig.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/get_address.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/load_store.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/poly_2xm1.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/poly_atan.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/poly_div.s optional gpl_math_emulate
|
|
gnu/i386/fpemul/poly_l2.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/poly_mul64.s optional gpl_math_emulate
|
|
gnu/i386/fpemul/poly_sin.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/poly_tan.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/polynomial.s optional gpl_math_emulate
|
|
gnu/i386/fpemul/reg_add_sub.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/reg_compare.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/reg_constant.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/reg_div.s optional gpl_math_emulate
|
|
gnu/i386/fpemul/reg_ld_str.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/reg_mul.c optional gpl_math_emulate
|
|
gnu/i386/fpemul/reg_norm.s optional gpl_math_emulate
|
|
gnu/i386/fpemul/reg_round.s optional gpl_math_emulate
|
|
gnu/i386/fpemul/reg_u_add.s optional gpl_math_emulate
|
|
gnu/i386/fpemul/reg_u_div.s optional gpl_math_emulate
|
|
gnu/i386/fpemul/reg_u_mul.s optional gpl_math_emulate
|
|
gnu/i386/fpemul/reg_u_sub.s optional gpl_math_emulate
|
|
gnu/i386/fpemul/wm_shrx.s optional gpl_math_emulate
|
|
gnu/i386/fpemul/wm_sqrt.s optional gpl_math_emulate
|
|
gnu/i386/isa/dgb.c optional dgb device-driver
|
|
pci/ide_pci.c optional wd device-driver
|