41cadaa11e
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
223 lines
9.0 KiB
Plaintext
223 lines
9.0 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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linux_genassym.o optional compat_linux \
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dependency "$S/alpha/linux/linux_genassym.c" \
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compile-with "${CC} ${CFLAGS:N-fno-common} -c ${.IMPSRC}" \
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no-obj no-implicit-rule \
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clean "linux_genassym.o"
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#
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linux_assym.h optional compat_linux \
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dependency "$S/kern/genassym.sh linux_genassym.o" \
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compile-with "sh $S/kern/genassym.sh linux_genassym.o > ${.TARGET}" \
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no-obj no-implicit-rule before-depend \
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clean "linux_assym.h"
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#
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font.h optional sc_dflt_font \
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compile-with "uudecode < /usr/share/syscons/fonts/${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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alpha/alpha/api_up1000.c optional api_up1000
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alpha/alpha/atomic.s standard
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alpha/alpha/autoconf.c standard
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alpha/alpha/busdma_machdep.c standard
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alpha/alpha/busspace.c standard
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alpha/alpha/clock.c standard
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alpha/alpha/clock_if.m standard
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alpha/alpha/cpuconf.c standard
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alpha/alpha/db_disasm.c optional ddb
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alpha/alpha/db_interface.c optional ddb
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alpha/alpha/db_trace.c optional ddb
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alpha/alpha/dec_1000a.c optional dec_1000a
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alpha/alpha/dec_1000a.c optional dec_1000a
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alpha/alpha/dec_2100_a50.c optional dec_2100_a50
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alpha/alpha/dec_2100_a500.c optional dec_2100_a500
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alpha/alpha/dec_axppci_33.c optional dec_axppci_33
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alpha/alpha/dec_eb164.c optional dec_eb164
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alpha/alpha/dec_eb64plus.c optional dec_eb64plus
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alpha/alpha/dec_kn20aa.c optional dec_kn20aa
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alpha/alpha/dec_kn300.c optional dec_kn300
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alpha/alpha/dec_kn8ae.c optional dec_kn8ae
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alpha/alpha/dec_st550.c optional dec_st550
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alpha/alpha/dec_st6600.c optional dec_st6600
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alpha/alpha/dec_3000_300.c optional dec_3000_300
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alpha/alpha/dec_3000_500.c optional dec_3000_500
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alpha/alpha/dump_machdep.c standard
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alpha/alpha/elf_machdep.c standard
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alpha/alpha/exception.s standard
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alpha/alpha/fp_emulate.c standard
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alpha/alpha/ieee_float.c standard
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alpha/alpha/gdb_machdep.c optional gdb
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alpha/alpha/in_cksum.c optional inet
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alpha/alpha/interrupt.c standard
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alpha/alpha/locore.s standard no-obj
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alpha/alpha/machdep.c standard
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alpha/alpha/mem.c optional mem
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alpha/alpha/pmap.c standard
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alpha/alpha/mp_machdep.c optional smp
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alpha/alpha/prom.c standard
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alpha/alpha/promcons.c standard
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alpha/alpha/prom_disp.s standard
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alpha/alpha/sgmap.c standard
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alpha/alpha/support.s standard
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alpha/alpha/swtch.s standard
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alpha/alpha/sys_machdep.c standard
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alpha/alpha/trap.c standard
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alpha/alpha/uio_machdep.c standard
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alpha/alpha/uma_machdep.c standard
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alpha/alpha/vm_machdep.c standard
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alpha/isa/isa.c optional isa
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alpha/isa/isa_dma.c optional isa
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alpha/isa/mcclock_isa.c optional isa
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alpha/linux/linux_dummy.c optional compat_linux
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alpha/linux/linux_locore.s optional compat_linux \
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dependency "linux_assym.h"
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alpha/linux/linux_machdep.c optional compat_linux
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alpha/linux/linux_sysent.c optional compat_linux
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alpha/linux/linux_sysvec.c optional compat_linux
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alpha/mcbus/mcbus.c optional dec_kn300
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alpha/mcbus/mcmem.c optional dec_kn300
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alpha/mcbus/mcpcia.c optional dec_kn300
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alpha/osf1/imgact_osf1.c optional compat_linux
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alpha/osf1/imgact_osf1.c optional compat_osf1
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alpha/osf1/osf1_ioctl.c optional compat_linux
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alpha/osf1/osf1_ioctl.c optional compat_osf1
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alpha/osf1/osf1_misc.c optional compat_linux
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alpha/osf1/osf1_misc.c optional compat_osf1
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alpha/osf1/osf1_mount.c optional compat_linux
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alpha/osf1/osf1_mount.c optional compat_osf1
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alpha/osf1/osf1_signal.c optional compat_linux
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alpha/osf1/osf1_signal.c optional compat_osf1
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alpha/osf1/osf1_sysent.c optional compat_linux
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alpha/osf1/osf1_sysent.c optional compat_osf1
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alpha/osf1/osf1_sysvec.c optional compat_linux
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alpha/osf1/osf1_sysvec.c optional compat_osf1
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alpha/pci/alphapci_if.m optional pci
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alpha/pci/apecs.c optional dec_2100_a50
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alpha/pci/apecs.c optional dec_eb64plus
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alpha/pci/apecs.c optional dec_1000a
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alpha/pci/apecs_pci.c optional dec_2100_a50
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alpha/pci/apecs_pci.c optional dec_eb64plus
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alpha/pci/apecs_pci.c optional dec_1000a
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alpha/pci/bwx.c optional pci
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alpha/pci/cia.c optional dec_eb164
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alpha/pci/cia.c optional dec_kn20aa
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alpha/pci/cia.c optional dec_st550
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alpha/pci/cia.c optional dec_1000a
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alpha/pci/cia_pci.c optional dec_eb164
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alpha/pci/cia_pci.c optional dec_kn20aa
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alpha/pci/cia_pci.c optional dec_st550
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alpha/pci/cia_pci.c optional dec_1000a
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alpha/pci/irongate.c optional api_up1000
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alpha/pci/irongate_pci.c optional api_up1000
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alpha/pci/lca.c optional dec_axppci_33
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alpha/pci/lca_pci.c optional dec_axppci_33
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alpha/pci/pci_eb164_intr.s optional dec_eb164
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alpha/pci/pci_eb164_intr.s optional dec_kn20aa
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alpha/pci/pci_eb164_intr.s optional dec_st550
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alpha/pci/pci_eb64plus_intr.s optional dec_2100_a50
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alpha/pci/pci_eb64plus_intr.s optional dec_eb64plus
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alpha/pci/pcibus.c optional pci
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alpha/pci/swiz.c optional pci
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alpha/pci/t2.c optional dec_2100_a500
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alpha/pci/t2_pci.c optional dec_2100_a500
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alpha/pci/tsunami.c optional dec_st6600
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alpha/pci/tsunami_pci.c optional dec_st6600
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alpha/tlsb/dwlpx.c optional dec_kn8ae
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alpha/tlsb/gbus.c optional dec_kn8ae
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alpha/tlsb/kftxx.c optional dec_kn8ae
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alpha/tlsb/mcclock_tlsb.c optional dec_kn8ae
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alpha/tlsb/tlsb.c optional dec_kn8ae
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alpha/tlsb/tlsbcpu.c optional dec_kn8ae
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alpha/tlsb/tlsbmem.c optional dec_kn8ae
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alpha/tlsb/zs_tlsb.c optional dec_kn8ae
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compat/linux/linux_file.c optional compat_linux
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compat/linux/linux_getcwd.c optional compat_linux
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compat/linux/linux_ioctl.c optional compat_linux
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compat/linux/linux_ipc.c optional compat_linux
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compat/linux/linux_mib.c optional compat_linux
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compat/linux/linux_misc.c optional compat_linux
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compat/linux/linux_signal.c optional compat_linux
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compat/linux/linux_socket.c optional compat_linux
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compat/linux/linux_sysctl.c optional compat_linux
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compat/linux/linux_stats.c optional compat_linux
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compat/linux/linux_util.c optional compat_linux
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crypto/blowfish/bf_enc.c optional ipsec ipsec_esp
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crypto/des/des_enc.c optional ipsec ipsec_esp
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crypto/blowfish/bf_enc.c optional crypto
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crypto/des/des_enc.c optional crypto
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dev/advansys/adv_isa.c optional adv isa
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dev/aic/aic_isa.c optional aic isa
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dev/dec/mcclock.c optional mcclock
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dev/dec/mcclock_if.m optional mcclock
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dev/ed/if_ed_3c503.c optional ed isa ed_3c503
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dev/ed/if_ed_isa.c optional ed isa
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dev/ed/if_ed_wd80x3.c optional ed isa
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dev/ed/if_ed_hpp.c optional ed isa ed_hpp
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dev/ed/if_ed_sic.c optional ed isa ed_sic
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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/fdc/fdc.c optional fdc
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dev/fdc/fdc_isa.c optional fdc isa
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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/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/schistory.c optional sc
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dev/syscons/scmouse.c optional sc
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dev/syscons/scterm.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/scvgarndr.c optional sc vga
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dev/syscons/scgfbrndr.c optional sc tga
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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_alpha.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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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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libkern/alpha/bswap16.S standard
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libkern/alpha/bswap32.S standard
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libkern/bcmp.c standard
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libkern/ffs.c standard
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libkern/ffsl.c standard
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libkern/fls.c standard
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libkern/flsl.c standard
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dev/fb/tga.c optional tga
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dev/fb/boot_font.c optional tga
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dev/tga/tga_pci.c optional tga
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dev/fb/fb.c optional tga
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dev/fb/gfb.c optional tga
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dev/gfb/gfb_pci.c optional tga
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pci/agp_amd.c optional agp
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