c6a37e8413
critical_enter() and critical_exit() are now solely a mechanism for deferring kernel preemptions. They no longer have any affect on interrupts. This means that standalone critical sections are now very cheap as they are simply unlocked integer increments and decrements for the common case. Spin mutexes now use a separate KPI implemented in MD code: spinlock_enter() and spinlock_exit(). This KPI is responsible for providing whatever MD guarantees are needed to ensure that a thread holding a spin lock won't be preempted by any other code that will try to lock the same lock. For now all archs continue to block interrupts in a "spinlock section" as they did formerly in all critical sections. Note that I've also taken this opportunity to push a few things into MD code rather than MI. For example, critical_fork_exit() no longer exists. Instead, MD code ensures that new threads have the correct state when they are created. Also, we no longer try to fixup the idlethreads for APs in MI code. Instead, each arch sets the initial curthread and adjusts the state of the idle thread it borrows in order to perform the initial context switch. This change is largely a big NOP, but the cleaner separation it provides will allow for more efficient alternative locking schemes in other parts of the kernel (bare critical sections rather than per-CPU spin mutexes for per-CPU data for example). Reviewed by: grehan, cognet, arch@, others Tested on: i386, alpha, sparc64, powerpc, arm, possibly more
226 lines
8.9 KiB
Plaintext
226 lines
8.9 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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# $FreeBSD$
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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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#
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linux32_genassym.o optional compat_linux32 \
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dependency "$S/amd64/linux32/linux32_genassym.c" \
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compile-with "${CC} ${CFLAGS:N-fno-common} -c ${.IMPSRC}" \
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no-obj no-implicit-rule \
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clean "linux32_genassym.o"
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#
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linux32_assym.h optional compat_linux32 \
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dependency "$S/kern/genassym.sh linux32_genassym.o" \
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compile-with "sh $S/kern/genassym.sh linux32_genassym.o > ${.TARGET}" \
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no-obj no-implicit-rule before-depend \
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clean "linux32_assym.h"
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#
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ia32_genassym.o standard \
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dependency "$S/compat/ia32/ia32_genassym.c" \
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compile-with "${CC} ${CFLAGS:N-fno-common} -c ${.IMPSRC}" \
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no-obj no-implicit-rule \
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clean "ia32_genassym.o"
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#
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ia32_assym.h standard \
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dependency "$S/kern/genassym.sh ia32_genassym.o" \
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compile-with "env NM='${NM}' sh $S/kern/genassym.sh ia32_genassym.o > ${.TARGET}" \
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no-obj no-implicit-rule before-depend \
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clean "ia32_assym.h"
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#
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font.h optional sc_dflt_font \
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compile-with "uudecode < /usr/share/syscons/fonts/${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" \
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no-obj no-implicit-rule before-depend \
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clean "font.h ${SC_DFLT_FONT}-8x14 ${SC_DFLT_FONT}-8x16 ${SC_DFLT_FONT}-8x8"
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#
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atkbdmap.h optional atkbd_dflt_keymap \
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compile-with "/usr/sbin/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" \
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no-obj no-implicit-rule before-depend \
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clean "atkbdmap.h"
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#
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ukbdmap.h optional ukbd_dflt_keymap \
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compile-with "/usr/sbin/kbdcontrol -L ${UKBD_DFLT_KEYMAP} | sed -e 's/^static keymap_t.* = /static keymap_t key_map = /' -e 's/^static accentmap_t.* = /static accentmap_t accent_map = /' > ukbdmap.h" \
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no-obj no-implicit-rule before-depend \
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clean "ukbdmap.h"
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#
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hal.o optional ath_hal \
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dependency "$S/contrib/dev/ath/public/x86_64-elf.hal.o.uu" \
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compile-with "uudecode < $S/contrib/dev/ath/public/x86_64-elf.hal.o.uu" \
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no-implicit-rule
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opt_ah.h optional ath_hal \
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dependency "$S/contrib/dev/ath/public/x86_64-elf.opt_ah.h" \
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compile-with "cp $S/contrib/dev/ath/public/x86_64-elf.opt_ah.h opt_ah.h" \
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no-obj no-implicit-rule before-depend \
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clean "opt_ah.h"
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#
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nvenetlib.o optional nve pci \
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dependency "$S/contrib/dev/nve/amd64/nvenetlib.o.bz2.uu" \
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compile-with "uudecode $S/contrib/dev/nve/amd64/nvenetlib.o.bz2.uu ; bzip2 -df nvenetlib.o.bz2" \
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no-implicit-rule
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#
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os+%DIKED-nve.h optional nve pci \
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dependency "$S/contrib/dev/nve/os.h" \
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compile-with "sed -e 's/^.*#include.*phy\.h.*$$//' $S/contrib/dev/nve/os.h > os+%DIKED-nve.h" \
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no-implicit-rule no-obj before-depend
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#
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amd64/acpica/OsdEnvironment.c optional acpi
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amd64/acpica/acpi_machdep.c optional acpi
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amd64/acpica/acpi_wakeup.c optional acpi
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amd64/acpica/madt.c optional acpi
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amd64/amd64/amd64_mem.c optional mem
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#amd64/amd64/apic_vector.S standard
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amd64/amd64/atomic.c standard
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amd64/amd64/autoconf.c standard
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amd64/amd64/bios.c standard
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amd64/amd64/busdma_machdep.c standard
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amd64/amd64/cpu_switch.S standard
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amd64/amd64/db_disasm.c optional ddb
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amd64/amd64/db_interface.c optional ddb
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amd64/amd64/db_trace.c optional ddb
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amd64/amd64/dump_machdep.c standard
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amd64/amd64/elf_machdep.c standard
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amd64/amd64/exception.S standard
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amd64/amd64/fpu.c standard
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amd64/amd64/gdb_machdep.c optional gdb
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amd64/amd64/identcpu.c standard
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amd64/amd64/in_cksum.c optional inet
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amd64/amd64/initcpu.c standard
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amd64/amd64/intr_machdep.c standard
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amd64/amd64/io.c optional io
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amd64/amd64/io_apic.c standard
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amd64/amd64/legacy.c standard
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amd64/amd64/local_apic.c standard
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amd64/amd64/locore.S standard no-obj
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amd64/amd64/machdep.c standard
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amd64/amd64/mem.c optional mem
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amd64/amd64/mp_machdep.c optional smp
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amd64/amd64/mp_watchdog.c optional mp_watchdog smp
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amd64/amd64/mpboot.S optional smp
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amd64/amd64/mptable.c optional mptable
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amd64/amd64/mptable_pci.c optional mptable pci
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amd64/amd64/nexus.c standard
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amd64/amd64/pmap.c standard
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amd64/amd64/prof_machdep.c optional profiling-routine
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amd64/amd64/sigtramp.S standard
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amd64/amd64/support.S standard
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amd64/amd64/sys_machdep.c standard
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amd64/amd64/trap.c standard
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amd64/amd64/tsc.c standard
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amd64/amd64/uio_machdep.c standard
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amd64/amd64/uma_machdep.c standard
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amd64/amd64/vm_machdep.c standard
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amd64/isa/atpic.c optional atpic isa
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#amd64/isa/atpic_vector.S optional atpic isa
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amd64/isa/clock.c standard
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amd64/isa/elcr.c standard
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amd64/isa/isa.c standard
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amd64/isa/isa_dma.c standard
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amd64/isa/nmi.c standard
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amd64/pci/pci_bus.c optional pci
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amd64/pci/pci_cfgreg.c optional pci
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crypto/blowfish/bf_enc.c optional crypto
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crypto/blowfish/bf_enc.c optional ipsec ipsec_esp
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crypto/des/des_ecb.c optional netsmbcrypto
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crypto/des/des_enc.c optional crypto
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crypto/des/des_enc.c optional ipsec ipsec_esp
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crypto/des/des_enc.c optional netsmbcrypto
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crypto/des/des_setkey.c optional netsmbcrypto
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dev/acpica/acpi_if.m standard
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dev/arcmsr/arcmsr.c optional arcmsr pci
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dev/fb/fb.c optional fb
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dev/fb/fb.c optional vga
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dev/fb/splash.c optional splash
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dev/fb/vga.c optional vga
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dev/if_ndis/if_ndis.c optional ndis
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dev/if_ndis/if_ndis_pccard.c optional ndis pccard
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dev/if_ndis/if_ndis_pci.c optional ndis cardbus
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dev/if_ndis/if_ndis_pci.c optional ndis pci
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dev/io/iodev.c optional io
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dev/fdc/fdc.c optional fdc
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dev/fdc/fdc_acpi.c optional fdc
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dev/fdc/fdc_isa.c optional fdc isa
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dev/fdc/fdc_pccard.c optional fdc pccard
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dev/kbd/atkbd.c optional atkbd
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dev/kbd/atkbdc.c optional atkbdc
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dev/kbd/kbd.c optional atkbd
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dev/kbd/kbd.c optional sc
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dev/kbd/kbd.c optional ukbd
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dev/mem/memutil.c optional mem
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dev/nve/if_nve.c optional nve pci
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dev/ppc/ppc.c optional ppc
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dev/sio/sio.c optional sio
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dev/sio/sio_isa.c optional sio isa
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dev/syscons/apm/apm_saver.c optional apm_saver apm
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dev/syscons/schistory.c optional sc
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dev/syscons/scmouse.c optional sc
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dev/syscons/scterm-dumb.c optional sc
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dev/syscons/scterm-sc.c optional sc
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dev/syscons/scterm.c optional sc
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dev/syscons/scvgarndr.c optional sc vga
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dev/syscons/scvidctl.c optional sc
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dev/syscons/scvtb.c optional sc
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dev/syscons/syscons.c optional sc
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dev/syscons/sysmouse.c optional sc
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dev/uart/uart_cpu_amd64.c optional uart
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geom/geom_bsd.c standard
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geom/geom_bsd_enc.c standard
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geom/geom_mbr.c standard
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geom/geom_mbr_enc.c standard
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isa/atkbd_isa.c optional atkbd
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isa/atkbdc_isa.c optional atkbdc
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isa/psm.c optional psm
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isa/syscons_isa.c optional sc
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isa/vga_isa.c optional vga
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kern/link_elf_obj.c standard
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pci/agp_amd64.c optional agp
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pci/agp_intel.c optional agp
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#
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# IA32 binary support
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#
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#amd64/ia32/ia32_exception.S optional compat_ia32
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amd64/ia32/ia32_signal.c optional compat_ia32
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amd64/ia32/ia32_sigtramp.S optional compat_ia32
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amd64/ia32/ia32_syscall.c optional compat_ia32
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compat/freebsd32/freebsd32_misc.c optional compat_ia32
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compat/freebsd32/freebsd32_syscalls.c optional compat_ia32
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compat/freebsd32/freebsd32_sysent.c optional compat_ia32
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compat/ia32/ia32_sysvec.c optional compat_ia32
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kern/imgact_elf32.c optional compat_ia32
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#
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# Linux/i386 binary support
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#
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amd64/linux32/linux32_dummy.c optional compat_linux32
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amd64/linux32/linux32_locore.s optional compat_linux32 \
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dependency "linux32_assym.h"
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amd64/linux32/linux32_machdep.c optional compat_linux32
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amd64/linux32/linux32_sysent.c optional compat_linux32
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amd64/linux32/linux32_sysvec.c optional compat_linux32
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compat/linux/linux_file.c optional compat_linux32
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compat/linux/linux_getcwd.c optional compat_linux32
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compat/linux/linux_ioctl.c optional compat_linux32
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compat/linux/linux_ipc.c optional compat_linux32
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compat/linux/linux_mib.c optional compat_linux32
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compat/linux/linux_misc.c optional compat_linux32
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compat/linux/linux_signal.c optional compat_linux32
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compat/linux/linux_socket.c optional compat_linux32
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compat/linux/linux_stats.c optional compat_linux32
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compat/linux/linux_sysctl.c optional compat_linux32
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compat/linux/linux_uid16.c optional compat_linux32
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compat/linux/linux_util.c optional compat_linux32
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#
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# Windows NDIS driver support
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#
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compat/ndis/kern_ndis.c optional ndisapi pci
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compat/ndis/kern_windrv.c optional ndisapi pci
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compat/ndis/subr_hal.c optional ndisapi pci
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compat/ndis/subr_ndis.c optional ndisapi pci
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compat/ndis/subr_ntoskrnl.c optional ndisapi pci
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compat/ndis/subr_pe.c optional ndisapi pci
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compat/ndis/subr_usbd.c optional ndisapi pci
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compat/ndis/winx64_wrap.S optional ndisapi pci
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i386/cpufreq/powernow.c optional cpufreq
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