freebsd-nq/sys/i386/conf/files.i386
Kazutaka YOKOTA 6e8394b8ba The second phase of syscons reorganization.
- Split syscons source code into manageable chunks and reorganize
  some of complicated functions.

- Many static variables are moved to the softc structure.

- Added a new key function, PREV.  When this key is pressed, the vty
  immediately before the current vty will become foreground.  Analogue
  to PREV, which is usually assigned to the PrntScrn key.
  PR: kern/10113
  Submitted by: Christian Weisgerber <naddy@mips.rhein-neckar.de>

- Modified the kernel console input function sccngetc() so that it
  handles function keys properly.

- Reorganized the screen update routine.

- VT switching code is reorganized.  It now should be slightly more
  robust than before.

- Added the DEVICE_RESUME function so that syscons no longer hooks the
  APM resume event directly.

- New kernel configuration options: SC_NO_CUTPASTE, SC_NO_FONT_LOADING,
  SC_NO_HISTORY and SC_NO_SYSMOUSE.
  Various parts of syscons can be omitted so that the kernel size is
  reduced.

  SC_PIXEL_MODE
  Made the VESA 800x600 mode an option, rather than a standard part of
  syscons.

  SC_DISABLE_DDBKEY
  Disables the `debug' key combination.

  SC_ALT_MOUSE_IMAGE
  Inverse the character cell at the mouse cursor position in the text
  console, rather than drawing an arrow on the screen.
  Submitted by: Nick Hibma (n_hibma@FreeBSD.ORG)

  SC_DFLT_FONT
  makeoptions "SC_DFLT_FONT=_font_name_"
  Include the named font as the default font of syscons.  16-line,
  14-line and 8-line font data will be compiled in.  This option replaces
  the existing STD8X16FONT option, which loads 16-line font data only.

- The VGA driver is split into /sys/dev/fb/vga.c and /sys/isa/vga_isa.c.

- The video driver provides a set of ioctl commands to manipulate the
  frame buffer.

- New kernel configuration option: VGA_WIDTH90
  Enables 90 column modes: 90x25, 90x30, 90x43, 90x50, 90x60.  These
  modes are mot always supported by the video card.
  PR: i386/7510
  Submitted by: kbyanc@freedomnet.com and alexv@sui.gda.itesm.mx.

- The header file machine/console.h is reorganized; its contents is now
  split into sys/fbio.h, sys/kbio.h (a new file) and sys/consio.h
  (another new file).  machine/console.h is still maintained for
  compatibility reasons.

- Kernel console selection/installation routines are fixed and
  slightly rebumped so that it should now be possible to switch between
  the interanl kernel console (sc or vt) and a remote kernel console
  (sio) again, as it was in 2.x, 3.0 and 3.1.

- Screen savers and splash screen decoders
  Because of the header file reorganization described above, screen
  savers and splash screen decoders are slightly modified.  After this
  update, /sys/modules/syscons/saver.h is no longer necessary and is
  removed.
1999-06-22 14:14:06 +00:00

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# This file tells config what files go into building a kernel,
# files marked standard are always included.
#
# $Id: files.i386,v 1.247 1999/06/18 19:55:50 green Exp $
#
# The long compile-with and dependency lines are required because of
# limitations in config: backslash-newline doesn't work in strings, and
# dependency lines other than the first are silently ignored.
#
linux_genassym optional compat_linux \
dependency "$S/i386/linux/linux_genassym.c $S/i386/linux/linux.h" \
compile-with "${CC} ${CFLAGS} ${PARAM} -UKERNEL -o $@ $<" \
no-obj no-implicit-rule \
clean "linux_genassym"
#
linux_assym.h optional compat_linux \
dependency "linux_genassym" \
compile-with "./linux_genassym > $@" \
no-obj no-implicit-rule before-depend \
clean "linux_assym.h"
#
font.h optional sc_dflt_font \
compile-with "uudecode < /usr/share/syscons/fonts/${SC_DFLT_FONT}-8x16.fnt && file2c 'static u_char dflt_font_16[16*256] = {' '};' < ${SC_DFLT_FONT}-8x16 > font.h && uudecode < /usr/share/syscons/fonts/${SC_DFLT_FONT}-8x14.fnt && file2c 'static u_char dflt_font_14[14*256] = {' '};' < ${SC_DFLT_FONT}-8x14 >> font.h && uudecode < /usr/share/syscons/fonts/${SC_DFLT_FONT}-8x8.fnt && file2c 'static u_char dflt_font_8[8*256] = {' '};' < ${SC_DFLT_FONT}-8x8 >> font.h" \
no-obj no-implicit-rule before-depend \
clean "font.h"
#
atkbdmap.h optional atkbd_dflt_keymap \
compile-with "kbdcontrol -L ${ATKBD_DFLT_KEYMAP} | sed -e 's/^static keymap_t.* = /static keymap_t key_map = /' -e 's/^static accentmap_t.* = /static accentmap_t accent_map = /' > atkbdmap.h" \
no-obj no-implicit-rule before-depend \
clean "atkbdmap.h"
#
ukbdmap.h optional ukbd_dflt_keymap \
compile-with "kbdcontrol -L ${UKBD_DFLT_KEYMAP} | sed -e 's/^static keymap_t.* = /static keymap_t key_map = /' -e 's/^static accentmap_t.* = /static accentmap_t accent_map = /' > ukbdmap.h" \
no-obj no-implicit-rule before-depend \
clean "ukbdmap.h"
#
dev/ata/ata-all.c optional ata device-driver
dev/ata/ata-dma.c optional ata device-driver
dev/ata/atapi-all.c optional ata device-driver
dev/ata/ata-disk.c optional atadisk device-driver
dev/ata/atapi-cd.c optional atapicd device-driver
dev/ata/atapi-fd.c optional atapifd device-driver
dev/ata/atapi-tape.c optional atapist device-driver
dev/fb/fb.c optional fb device-driver
dev/fb/fb.c optional vga device-driver
dev/fb/splash.c optional splash
dev/fb/vga.c optional vga device-driver
dev/kbd/atkbd.c optional atkbd device-driver
dev/kbd/atkbdc.c optional atkbdc device-driver
dev/kbd/kbd.c optional atkbd device-driver
dev/kbd/kbd.c optional kbd device-driver
dev/kbd/kbd.c optional ukbd device-driver
dev/syscons/syscons.c optional sc device-driver
dev/syscons/schistory.c optional sc device-driver
dev/syscons/scmouse.c optional sc device-driver
dev/syscons/scvidctl.c optional sc device-driver
dev/syscons/scvesactl.c optional sc device-driver
dev/syscons/scvgarndr.c optional sc device-driver
dev/syscons/scvtb.c optional sc device-driver
i386/apm/apm.c optional apm device-driver
i386/apm/apm_setup.s optional apm
i386/eisa/dpt_eisa.c optional eisa dpt device-driver
i386/eisa/3c5x9.c optional ep device-driver
i386/eisa/adv_eisa.c optional adv device-driver
i386/eisa/ahc_eisa.c optional eisa ahc device-driver \
dependency "aic7xxx_reg.h $S/i386/eisa/ahc_eisa.c"
i386/eisa/ahb.c optional ahb device-driver
i386/eisa/bt_eisa.c optional bt device-driver
i386/eisa/eisaconf.c optional eisa
i386/eisa/if_vx_eisa.c optional vx device-driver
i386/eisa/if_fea.c optional fea device-driver
i386/i386/autoconf.c standard device-driver
i386/i386/bios.c standard
i386/i386/bioscall.s standard
i386/i386/busdma_machdep.c standard
i386/i386/cons.c standard
i386/i386/db_disasm.c optional ddb
i386/i386/db_interface.c optional ddb
i386/i386/db_trace.c optional ddb
i386/i386/elf_machdep.c standard
i386/i386/exception.s standard
i386/i386/globals.s standard
i386/i386/i386-gdbstub.c optional ddb
i386/i386/identcpu.c standard
i386/i386/in_cksum.c optional inet
i386/i386/initcpu.c standard
# locore.s needs to be handled in Makefile to put it first. Otherwise it's
# now normal.
# i386/i386/locore.s standard
i386/i386/machdep.c standard
i386/i386/math_emulate.c optional math_emulate
i386/i386/mem.c standard
i386/i386/i686_mem.c standard
i386/i386/k6_mem.c standard
i386/i386/mp_machdep.c optional smp
i386/i386/mpapic.c optional smp
i386/i386/mpboot.s optional smp
i386/i386/mplock.s optional smp
i386/i386/nexus.c standard
i386/i386/perfmon.c optional perfmon profiling-routine
i386/i386/perfmon.c optional perfmon
i386/i386/pmap.c standard
i386/i386/procfs_machdep.c standard
i386/i386/simplelock.s optional smp
i386/i386/support.s standard
i386/i386/swtch.s standard
i386/i386/sys_machdep.c standard
i386/i386/trap.c standard
i386/i386/userconfig.c optional userconfig
i386/i386/vm_machdep.c standard
i386/i386/vm86.c standard
i386/ibcs2/ibcs2_fcntl.c optional ibcs2
i386/ibcs2/ibcs2_stat.c optional ibcs2
i386/ibcs2/ibcs2_ipc.c optional ibcs2
i386/ibcs2/ibcs2_msg.c optional ibcs2
i386/ibcs2/ibcs2_misc.c optional ibcs2
i386/ibcs2/ibcs2_other.c optional ibcs2
i386/ibcs2/ibcs2_signal.c optional ibcs2
i386/ibcs2/ibcs2_ioctl.c optional ibcs2
i386/ibcs2/ibcs2_socksys.c optional ibcs2
i386/ibcs2/ibcs2_sysi86.c optional ibcs2
i386/ibcs2/ibcs2_util.c optional ibcs2
i386/ibcs2/ibcs2_isc.c optional ibcs2
i386/ibcs2/ibcs2_isc_sysent.c optional ibcs2
i386/ibcs2/ibcs2_xenix.c optional ibcs2
i386/ibcs2/ibcs2_xenix_sysent.c optional ibcs2
i386/ibcs2/ibcs2_errno.c optional ibcs2
i386/ibcs2/ibcs2_sysent.c optional ibcs2
i386/ibcs2/ibcs2_sysvec.c optional ibcs2
i386/ibcs2/imgact_coff.c optional ibcs2
i386/isa/adv_isa.c optional adv device-driver
#i386/isa/aha1542.c optional aha device-driver
i386/isa/aha_isa.c optional aha device-driver
isa/atkbd_isa.c optional atkbd device-driver
isa/atkbdc_isa.c optional atkbdc device-driver
i386/isa/bt_isa.c optional bt device-driver
i386/isa/clock.c standard
i386/isa/cronyx.c optional cx device-driver
i386/isa/ctx.c optional ctx device-driver
i386/isa/cx.c optional cx device-driver
i386/isa/cy.c optional cy device-driver
i386/isa/diskslice_machdep.c standard
i386/isa/elink.c optional ep device-driver
i386/isa/elink.c optional ie device-driver
isa/fd.c optional fd device-driver
i386/isa/fla.c optional fla device-driver
i386/isa/gpib.c optional gp device-driver
i386/isa/asc.c optional asc device-driver
i386/isa/gsc.c optional gsc device-driver
i386/isa/if_ar.c optional ar device-driver
i386/isa/if_cs.c optional cs device-driver
i386/isa/if_cx.c optional cx device-driver
i386/isa/if_ed.c optional ed device-driver
i386/isa/if_el.c optional el device-driver
i386/isa/if_ep.c optional ep device-driver
i386/isa/if_ex.c optional ex device-driver
i386/isa/if_fe.c optional fe device-driver
i386/isa/if_ie.c optional ie device-driver
i386/isa/if_le.c optional le device-driver
i386/isa/if_lnc.c optional lnc device-driver
i386/isa/if_rdp.c optional rdp device-driver
i386/isa/if_sr.c optional sr device-driver
i386/isa/if_wi.c optional wi device-driver
i386/isa/if_wl.c optional wl device-driver
dev/pccard/if_xe.c optional xe device-driver
i386/isa/if_ze.c optional ze device-driver
i386/isa/if_zp.c optional zp device-driver
contrib/dev/oltr/if_oltr.c optional oltr device-driver
trlld.o optional oltr device-driver \
dependency "$S/contrib/dev/oltr/i386-${KERNFORMAT}.trlld.o.uu" \
compile-with "uudecode < $S/contrib/dev/oltr/i386-${KERNFORMAT}.trlld.o.uu" \
no-implicit-rule
contrib/dev/oltr/trlldmac.c optional oltr device-driver
contrib/dev/oltr/trlldhm.c optional oltr device-driver
contrib/dev/oltr/trlldbm.c optional oltr device-driver
i386/isa/ipl_funcs.c standard \
compile-with "${CC} -c ${CFLAGS} ${DEFINED_PROF:S/^$/-fomit-frame-pointer/} $<"
i386/isa/intr_machdep.c standard
i386/isa/isa.c optional isa device-driver
i386/isa/istallion.c optional stli device-driver
i386/isa/joy.c optional joy device-driver
i386/isa/loran.c optional loran device-driver
i386/isa/labpc.c optional labpc device-driver
i386/isa/mcd.c optional mcd device-driver
i386/isa/mse.c optional mse device-driver
i386/isa/npx.c mandatory npx device-driver
i386/isa/pcaudio.c optional pca device-driver
i386/isa/matcd/matcd.c optional matcd device-driver
i386/isa/isa_compat.c optional isa device-driver
i386/isa/isa_dma.c optional isa device-driver
i386/isa/pcibus.c optional pci device-driver
i386/isa/pcicx.c optional ze device-driver
i386/isa/pcicx.c optional zp device-driver
i386/isa/pcvt/pcvt_drv.c optional vt device-driver
i386/isa/pcvt/pcvt_ext.c optional vt device-driver
i386/isa/pcvt/pcvt_kbd.c optional vt device-driver
i386/isa/pcvt/pcvt_out.c optional vt device-driver
i386/isa/pcvt/pcvt_sup.c optional vt device-driver
i386/isa/pcvt/pcvt_vtf.c optional vt device-driver
i386/isa/pnp.c optional pnp device-driver
i386/isa/prof_machdep.c optional profiling-routine
i386/isa/ppc.c optional ppc device-driver
i386/isa/pcf.c optional pcf device-driver
isa/psm.c optional psm device-driver
i386/isa/random_machdep.c standard
i386/isa/rc.c optional rc device-driver
i386/isa/rp.c optional rp device-driver
i386/isa/scd.c optional scd device-driver
i386/isa/si.c optional si device-driver
i386/isa/si2_z280.c optional si device-driver
i386/isa/si3_t225.c optional si device-driver
isa/sio.c optional sio device-driver
i386/isa/snd/sound.c optional pcm device-driver
i386/isa/snd/dmabuf.c optional pcm device-driver
i386/isa/snd/ad1848.c optional pcm device-driver
i386/isa/snd/sb_dsp.c optional pcm device-driver
i386/isa/snd/clones.c optional pcm device-driver
i386/isa/sound/dev_table.c optional snd device-driver
i386/isa/sound/soundcard.c optional snd device-driver
i386/isa/sound/sound_switch.c optional snd device-driver
i386/isa/sound/audio.c optional snd device-driver
i386/isa/sound/dmabuf.c optional snd device-driver
i386/isa/sound/sys_timer.c optional snd device-driver
i386/isa/sound/sequencer.c optional snd device-driver
i386/isa/sound/patmgr.c optional snd device-driver
i386/isa/sound/adlib_card.c optional opl device-driver
i386/isa/sound/opl3.c optional opl device-driver
i386/isa/sound/gus_card.c optional gus device-driver
i386/isa/sound/gus_midi.c optional gus device-driver
i386/isa/sound/gus_vol.c optional gus device-driver
i386/isa/sound/gus_wave.c optional gus device-driver
i386/isa/sound/ics2101.c optional gus device-driver
i386/isa/sound/sound_timer.c optional gus device-driver
i386/isa/sound/sound_timer.c optional css device-driver
i386/isa/sound/sound_timer.c optional mss device-driver
i386/isa/sound/midi_synth.c optional gus device-driver
i386/isa/sound/midibuf.c optional gus device-driver
i386/isa/sound/ad1848.c optional gusxvi device-driver
i386/isa/sound/ad1848.c optional gus device-driver
i386/isa/sound/ad1848.c optional mss device-driver
i386/isa/sound/ad1848.c optional css device-driver
i386/isa/sound/sound_timer.c optional mss device-driver
i386/isa/sound/midi_synth.c optional mss device-driver
i386/isa/sound/midibuf.c optional mss device-driver
i386/isa/sound/mpu401.c optional mpu device-driver
i386/isa/sound/midi_synth.c optional mpu device-driver
i386/isa/sound/midibuf.c optional mpu device-driver
i386/isa/sound/pas2_card.c optional pas device-driver
i386/isa/sound/pas2_midi.c optional pas device-driver
i386/isa/sound/pas2_mixer.c optional pas device-driver
i386/isa/sound/pas2_pcm.c optional pas device-driver
i386/isa/sound/midi_synth.c optional pas device-driver
i386/isa/sound/midibuf.c optional pas device-driver
i386/isa/sound/sb_card.c optional sb device-driver
i386/isa/sound/sb_dsp.c optional sb device-driver
i386/isa/sound/sb_midi.c optional sb device-driver
i386/isa/sound/sb_mixer.c optional sb device-driver
i386/isa/sound/midi_synth.c optional sb device-driver
i386/isa/sound/midibuf.c optional sb device-driver
i386/isa/sound/sb16_dsp.c optional sbxvi device-driver
i386/isa/sound/sb16_midi.c optional sbmidi device-driver
i386/isa/sound/uart6850.c optional uart device-driver
i386/isa/sound/midi_synth.c optional uart device-driver
i386/isa/sound/midi_synth.c optional css device-driver
i386/isa/sound/midibuf.c optional uart device-driver
i386/isa/sound/midibuf.c optional css device-driver
i386/isa/sound/trix.c optional trix device-driver
i386/isa/sound/adlib_card.c optional trix device-driver
i386/isa/sound/opl3.c optional trix device-driver
i386/isa/sound/ad1848.c optional trix device-driver
i386/isa/sound/sound_timer.c optional trix device-driver
i386/isa/sound/sscape.c optional sscape device-driver
i386/isa/sound/ad1848.c optional sscape device-driver
i386/isa/sound/sound_timer.c optional sscape device-driver
i386/isa/sound/mpu401.c optional sscape device-driver
i386/isa/sound/midi_synth.c optional sscape device-driver
i386/isa/sound/midibuf.c optional sscape device-driver
i386/isa/sound/cs4232.c optional css device-driver
i386/isa/spigot.c optional spigot device-driver
i386/isa/spkr.c optional speaker device-driver
i386/isa/stallion.c optional stl device-driver
isa/syscons_isa.c optional sc device-driver
i386/isa/vesa.c optional vga device-driver
isa/vga_isa.c optional vga device-driver
i386/isa/tw.c optional tw device-driver
i386/isa/wd.c optional wdc device-driver
i386/isa/wd.c optional wd device-driver
i386/isa/atapi.c optional wdc device-driver
i386/isa/atapi-cd.c optional wcd device-driver
i386/isa/wfd.c optional wfd device-driver
i386/isa/wst.c optional wst device-driver
i386/isa/wt.c optional wt device-driver
i386/linux/imgact_linux.c optional compat_linux
i386/linux/linux_dummy.c optional compat_linux
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
i4b/layer1/i4b_isic.c optional isic device-driver
i4b/layer1/i4b_isic_isa.c optional isic device-driver
i4b/layer1/i4b_isic_pnp.c optional isic device-driver
i4b/layer1/i4b_isic_pci.c optional isic device-driver
i4b/layer1/i4b_isic_pcmcia.c optional isic device-driver
i4b/layer1/i4b_isac.c optional isic device-driver
i4b/layer1/i4b_hscx.c optional isic device-driver
i4b/layer1/i4b_l1.c optional isic device-driver
i4b/layer1/i4b_l1fsm.c optional isic device-driver
i4b/layer1/i4b_bchan.c optional isic device-driver
i4b/layer1/i4b_tel_s08.c optional isic device-driver
i4b/layer1/i4b_tel_s016.c optional isic device-driver
i4b/layer1/i4b_tel_s0163.c optional isic device-driver
i4b/layer1/i4b_tel_s0P.c optional isic device-driver
i4b/layer1/i4b_ctx_s0P.c optional isic device-driver
i4b/layer1/i4b_avm_a1.c optional isic device-driver
i4b/layer1/i4b_avm_fritz_pci.c optional isic device-driver
i4b/layer1/i4b_avm_fritz_pcmcia.c optional isic device-driver
i4b/layer1/i4b_usr_sti.c optional isic device-driver
i4b/layer1/i4b_itk_ix1.c optional isic device-driver
i4b/layer1/i4b_drn_ngo.c optional isic device-driver
i4b/layer1/i4b_sws.c optional isic device-driver
i4b/layer1/i4b_dynalink.c optional isic device-driver
i4b/layer1/i4b_elsa_qs1i.c optional isic device-driver
i4b/layer1/i4b_elsa_qs1p.c optional isic 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/rindex.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
gnu/i386/isa/dgm.c optional dgm device-driver
gnu/i386/isa/sound/awe_wave.c optional awe device-driver
pci/es1370.c optional pcm device-driver
pci/ide_pci.c optional wd device-driver