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hardened/current/master
HardenedBSD/sys/conf/files.x86
Konstantin Belousov 0f5116d7ef AMD IOMMU driver 
This driver is functionally equivalent to the in-tree Intel DMAR code.
It handles busdma and interrupt remapping from the host OS.  There is no
integration with bhyve, and the stub iommu drivers in bhyve code cannot
coexist with this driver (planned).

The biggest architectural problem with the code is that the AMD IOMMU
units are enumerated as PCIe-attached security devices, which is much
later after HPET and IOAPIC drivers attached and actived interrupts.
Because of this, HPET FSB interrupts and IOAPIC interrupts are always
identity-mapped.

The code is of late alpha quality.  By default the driver is disabled.
To enable for testing, set in loader.conf:
hw.amdiommu.enable=1
hw.iommu.dma=1 <- to enable iommu busdma
hw.iommu.ir=1 <- to enable interrupt remapping

Discussed with:	emaste
Sponsored by:	Advanced Micro Devices (AMD)
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D47256
2024-11-03 01:45:40 +02:00

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# This file tells config what files go into building a kernel,
# files marked standard are always included.
#
#
# This file contains all the x86 devices and such that are
# common between i386 and amd64, but aren't applicable to
# any other architecture we support.
#
# 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.
#
atkbdmap.h optional atkbd_dflt_keymap \
compile-with "${KEYMAP} -L ${ATKBD_DFLT_KEYMAP} | ${KEYMAP_FIX} > ${.TARGET}" \
no-obj no-implicit-rule before-depend \
clean "atkbdmap.h"
cddl/dev/fbt/x86/fbt_isa.c optional dtrace_fbt | dtraceall compile-with "${FBT_C}"
cddl/dev/dtrace/x86/dis_tables.c optional dtrace_fbt | dtraceall compile-with "${DTRACE_C}"
cddl/dev/dtrace/x86/instr_size.c optional dtrace_fbt | dtraceall compile-with "${DTRACE_C}"
crypto/aesni/aesni.c optional aesni
aesni_ghash.o optional aesni \
dependency "$S/crypto/aesni/aesni_ghash.c" \
compile-with "${CC} -c ${CFLAGS:C/^-O2$/-O3/:N-nostdinc} ${WERROR} ${NO_WCAST_QUAL} -mmmx -msse -msse4 -maes -mpclmul ${.IMPSRC}" \
no-implicit-rule \
clean "aesni_ghash.o"
aesni_ccm.o optional aesni \
dependency "$S/crypto/aesni/aesni_ccm.c" \
compile-with "${CC} -c ${CFLAGS:C/^-O2$/-O3/:N-nostdinc} ${WERROR} ${NO_WCAST_QUAL} -mmmx -msse -msse4 -maes -mpclmul ${.IMPSRC}" \
no-implicit-rule \
clean "aesni_ccm.o"
aesni_wrap.o optional aesni \
dependency "$S/crypto/aesni/aesni_wrap.c" \
compile-with "${CC} -c ${CFLAGS:C/^-O2$/-O3/:N-nostdinc} ${WERROR} ${NO_WCAST_QUAL} -mmmx -msse -msse4 -maes ${.IMPSRC}" \
no-implicit-rule \
clean "aesni_wrap.o"
intel_sha1.o optional aesni \
dependency "$S/crypto/aesni/intel_sha1.c" \
compile-with "${CC} -c ${CFLAGS:C/^-O2$/-O3/:N-nostdinc} ${WERROR} -mmmx -msse -msse4 -msha ${.IMPSRC}" \
no-implicit-rule \
clean "intel_sha1.o"
intel_sha256.o optional aesni \
dependency "$S/crypto/aesni/intel_sha256.c" \
compile-with "${CC} -c ${CFLAGS:C/^-O2$/-O3/:N-nostdinc} ${WERROR} -mmmx -msse -msse4 -msha ${.IMPSRC}" \
no-implicit-rule \
clean "intel_sha256.o"
crypto/openssl/ossl_x86.c optional ossl
crypto/via/padlock.c optional padlock
crypto/via/padlock_cipher.c optional padlock
crypto/via/padlock_hash.c optional padlock
dev/acpica/acpi_hpet.c optional acpi
dev/acpica/acpi_if.m standard
dev/acpica/acpi_pci.c optional acpi pci
dev/acpica/acpi_pci_link.c optional acpi pci
dev/acpica/acpi_pcib.c optional acpi pci
dev/acpica/acpi_pcib_acpi.c optional acpi pci
dev/acpica/acpi_pcib_pci.c optional acpi pci
dev/acpica/acpi_pxm.c optional acpi
dev/acpica/acpi_timer.c optional acpi
dev/acpi_support/acpi_wmi_if.m standard
dev/agp/agp_amd64.c optional agp
dev/agp/agp_i810.c optional agp
dev/agp/agp_via.c optional agp
dev/amdsbwd/amdsbwd.c optional amdsbwd
dev/amdsmn/amdsmn.c optional amdsmn | amdtemp
dev/amdtemp/amdtemp.c optional amdtemp
dev/arcmsr/arcmsr.c optional arcmsr pci
dev/asmc/asmc.c optional asmc isa
dev/atkbdc/atkbd.c optional atkbd atkbdc
dev/atkbdc/atkbd_atkbdc.c optional atkbd atkbdc
dev/atkbdc/atkbdc.c optional atkbdc
dev/atkbdc/atkbdc_isa.c optional atkbdc isa
dev/atkbdc/atkbdc_subr.c optional atkbdc
dev/atkbdc/psm.c optional psm atkbdc
dev/atopcase/atopcase.c optional atopcase acpi hid spibus
dev/atopcase/atopcase_acpi.c optional atopcase acpi hid spibus
dev/bxe/bxe.c optional bxe pci
dev/bxe/bxe_stats.c optional bxe pci
dev/bxe/bxe_debug.c optional bxe pci
dev/bxe/ecore_sp.c optional bxe pci
dev/bxe/bxe_elink.c optional bxe pci
dev/bxe/57710_init_values.c optional bxe pci
dev/bxe/57711_init_values.c optional bxe pci
dev/bxe/57712_init_values.c optional bxe pci
dev/coretemp/coretemp.c optional coretemp
dev/cpuctl/cpuctl.c optional cpuctl
dev/dpms/dpms.c optional dpms
dev/fb/fb.c optional fb | vga
dev/fb/s3_pci.c optional s3pci
dev/fb/vesa.c optional vga vesa
dev/fb/vga.c optional vga
dev/fdc/fdc.c optional fdc
dev/fdc/fdc_acpi.c optional fdc
dev/fdc/fdc_isa.c optional fdc isa
dev/gpio/bytgpio.c optional bytgpio
dev/gpio/chvgpio.c optional chvgpio
dev/hpt27xx/hpt27xx_os_bsd.c optional hpt27xx
dev/hpt27xx/hpt27xx_osm_bsd.c optional hpt27xx
dev/hpt27xx/hpt27xx_config.c optional hpt27xx
dev/hpt27xx/$M-elf.hpt27xx_lib.o optional hpt27xx
dev/hptmv/entry.c optional hptmv
dev/hptmv/mv.c optional hptmv
dev/hptmv/gui_lib.c optional hptmv
dev/hptmv/hptproc.c optional hptmv
dev/hptmv/ioctl.c optional hptmv
dev/hptmv/$M-elf.hptmvraid.o optional hptmv
dev/hptnr/hptnr_os_bsd.c optional hptnr
dev/hptnr/hptnr_osm_bsd.c optional hptnr
dev/hptnr/hptnr_config.c optional hptnr
dev/hptnr/$M-elf.hptnr_lib.o optional hptnr
dev/hptrr/hptrr_os_bsd.c optional hptrr
dev/hptrr/hptrr_osm_bsd.c optional hptrr
dev/hptrr/hptrr_config.c optional hptrr
dev/hptrr/$M-elf.hptrr_lib.o optional hptrr
dev/hwpmc/hwpmc_amd.c optional hwpmc
dev/hwpmc/hwpmc_intel.c optional hwpmc
dev/hwpmc/hwpmc_core.c optional hwpmc
dev/hwpmc/hwpmc_uncore.c optional hwpmc
dev/hwpmc/hwpmc_tsc.c optional hwpmc
dev/hwpmc/hwpmc_x86.c optional hwpmc
dev/hyperv/hvsock/hv_sock.c optional hyperv
dev/hyperv/input/hv_hid.c optional hyperv hvhid
dev/hyperv/input/hv_kbd.c optional hyperv
dev/hyperv/input/hv_kbdc.c optional hyperv
dev/hyperv/pcib/vmbus_pcib.c optional hyperv pci
dev/hyperv/netvsc/hn_nvs.c optional hyperv
dev/hyperv/netvsc/hn_rndis.c optional hyperv
dev/hyperv/netvsc/if_hn.c optional hyperv
dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c optional hyperv
dev/hyperv/utilities/hv_kvp.c optional hyperv
dev/hyperv/utilities/hv_snapshot.c optional hyperv
dev/hyperv/utilities/vmbus_heartbeat.c optional hyperv
dev/hyperv/utilities/vmbus_ic.c optional hyperv
dev/hyperv/utilities/vmbus_shutdown.c optional hyperv
dev/hyperv/utilities/vmbus_timesync.c optional hyperv
dev/hyperv/vmbus/hyperv.c optional hyperv
dev/hyperv/vmbus/x86/hyperv_x86.c optional hyperv
dev/hyperv/vmbus/x86/vmbus_x86.c optional hyperv
dev/hyperv/vmbus/hyperv_busdma.c optional hyperv
dev/hyperv/vmbus/vmbus.c optional hyperv pci
dev/hyperv/vmbus/vmbus_br.c optional hyperv
dev/hyperv/vmbus/vmbus_chan.c optional hyperv
dev/hyperv/vmbus/vmbus_et.c optional hyperv
dev/hyperv/vmbus/vmbus_if.m optional hyperv
dev/hyperv/vmbus/vmbus_res.c optional hyperv
dev/hyperv/vmbus/vmbus_xact.c optional hyperv
dev/ichwd/ichwd.c optional ichwd
dev/imcsmb/imcsmb.c optional imcsmb
dev/imcsmb/imcsmb_pci.c optional imcsmb pci
dev/intel/pchtherm.c optional pchtherm
dev/intel/spi.c optional intelspi
dev/intel/spi_pci.c optional intelspi pci
dev/intel/spi_acpi.c optional intelspi acpi
dev/io/iodev.c optional io
dev/iommu/busdma_iommu.c optional acpi iommu pci
dev/iommu/iommu_gas.c optional acpi iommu pci
dev/ipmi/ipmi.c optional ipmi
dev/ipmi/ipmi_acpi.c optional ipmi acpi
dev/ipmi/ipmi_bt.c optional ipmi
dev/ipmi/ipmi_isa.c optional ipmi isa
dev/ipmi/ipmi_kcs.c optional ipmi
dev/ipmi/ipmi_pci.c optional ipmi pci
dev/ipmi/ipmi_smbios.c optional ipmi
dev/ipmi/ipmi_smbus.c optional ipmi smbus
dev/ipmi/ipmi_smic.c optional ipmi
dev/ipmi/ipmi_ssif.c optional ipmi smbus
dev/isci/isci.c optional isci \
compile-with "${NORMAL_C} ${NO_WUNUSED_BUT_SET_VARIABLE}"
dev/isci/isci_controller.c optional isci
dev/isci/isci_domain.c optional isci
dev/isci/isci_interrupt.c optional isci
dev/isci/isci_io_request.c optional isci
dev/isci/isci_logger.c optional isci
dev/isci/isci_oem_parameters.c optional isci
dev/isci/isci_remote_device.c optional isci
dev/isci/isci_sysctl.c optional isci
dev/isci/isci_task_request.c optional isci
dev/isci/isci_timer.c optional isci
dev/isci/scil/sati.c optional isci
dev/isci/scil/sati_abort_task_set.c optional isci
dev/isci/scil/sati_atapi.c optional isci
dev/isci/scil/sati_device.c optional isci
dev/isci/scil/sati_inquiry.c optional isci
dev/isci/scil/sati_log_sense.c optional isci
dev/isci/scil/sati_lun_reset.c optional isci
dev/isci/scil/sati_mode_pages.c optional isci
dev/isci/scil/sati_mode_select.c optional isci \
compile-with "${NORMAL_C} ${NO_WUNUSED_BUT_SET_VARIABLE}"
dev/isci/scil/sati_mode_sense.c optional isci
dev/isci/scil/sati_mode_sense_10.c optional isci
dev/isci/scil/sati_mode_sense_6.c optional isci
dev/isci/scil/sati_move.c optional isci
dev/isci/scil/sati_passthrough.c optional isci \
compile-with "${NORMAL_C} ${NO_WUNUSED_BUT_SET_VARIABLE}"
dev/isci/scil/sati_read.c optional isci
dev/isci/scil/sati_read_buffer.c optional isci
dev/isci/scil/sati_read_capacity.c optional isci
dev/isci/scil/sati_reassign_blocks.c optional isci \
compile-with "${NORMAL_C} ${NO_WUNUSED_BUT_SET_VARIABLE}"
dev/isci/scil/sati_report_luns.c optional isci
dev/isci/scil/sati_request_sense.c optional isci
dev/isci/scil/sati_start_stop_unit.c optional isci
dev/isci/scil/sati_synchronize_cache.c optional isci
dev/isci/scil/sati_test_unit_ready.c optional isci
dev/isci/scil/sati_unmap.c optional isci \
compile-with "${NORMAL_C} ${NO_WUNUSED_BUT_SET_VARIABLE}"
dev/isci/scil/sati_util.c optional isci
dev/isci/scil/sati_verify.c optional isci
dev/isci/scil/sati_write.c optional isci
dev/isci/scil/sati_write_and_verify.c optional isci
dev/isci/scil/sati_write_buffer.c optional isci
dev/isci/scil/sati_write_long.c optional isci
dev/isci/scil/sci_abstract_list.c optional isci
dev/isci/scil/sci_base_controller.c optional isci
dev/isci/scil/sci_base_domain.c optional isci
dev/isci/scil/sci_base_iterator.c optional isci
dev/isci/scil/sci_base_library.c optional isci
dev/isci/scil/sci_base_logger.c optional isci
dev/isci/scil/sci_base_memory_descriptor_list.c optional isci
dev/isci/scil/sci_base_memory_descriptor_list_decorator.c optional isci
dev/isci/scil/sci_base_object.c optional isci
dev/isci/scil/sci_base_observer.c optional isci
dev/isci/scil/sci_base_phy.c optional isci
dev/isci/scil/sci_base_port.c optional isci
dev/isci/scil/sci_base_remote_device.c optional isci
dev/isci/scil/sci_base_request.c optional isci
dev/isci/scil/sci_base_state_machine.c optional isci
dev/isci/scil/sci_base_state_machine_logger.c optional isci
dev/isci/scil/sci_base_state_machine_observer.c optional isci
dev/isci/scil/sci_base_subject.c optional isci
dev/isci/scil/sci_util.c optional isci
dev/isci/scil/scic_sds_controller.c optional isci \
compile-with "${NORMAL_C} ${NO_WUNUSED_BUT_SET_VARIABLE}"
dev/isci/scil/scic_sds_library.c optional isci
dev/isci/scil/scic_sds_pci.c optional isci
dev/isci/scil/scic_sds_phy.c optional isci \
compile-with "${NORMAL_C} ${NO_WUNUSED_BUT_SET_VARIABLE}"
dev/isci/scil/scic_sds_port.c optional isci
dev/isci/scil/scic_sds_port_configuration_agent.c optional isci
dev/isci/scil/scic_sds_remote_device.c optional isci
dev/isci/scil/scic_sds_remote_node_context.c optional isci
dev/isci/scil/scic_sds_remote_node_table.c optional isci
dev/isci/scil/scic_sds_request.c optional isci \
compile-with "${NORMAL_C} ${NO_WUNUSED_BUT_SET_VARIABLE}"
dev/isci/scil/scic_sds_sgpio.c optional isci
dev/isci/scil/scic_sds_smp_remote_device.c optional isci
dev/isci/scil/scic_sds_smp_request.c optional isci \
compile-with "${NORMAL_C} ${NO_WUNUSED_BUT_SET_VARIABLE}"
dev/isci/scil/scic_sds_ssp_request.c optional isci
dev/isci/scil/scic_sds_stp_packet_request.c optional isci
dev/isci/scil/scic_sds_stp_remote_device.c optional isci
dev/isci/scil/scic_sds_stp_request.c optional isci \
compile-with "${NORMAL_C} ${NO_WUNUSED_BUT_SET_VARIABLE}"
dev/isci/scil/scic_sds_unsolicited_frame_control.c optional isci
dev/isci/scil/scif_sas_controller.c optional isci \
compile-with "${NORMAL_C} ${NO_WUNUSED_BUT_SET_VARIABLE}"
dev/isci/scil/scif_sas_controller_state_handlers.c optional isci
dev/isci/scil/scif_sas_controller_states.c optional isci
dev/isci/scil/scif_sas_domain.c optional isci
dev/isci/scil/scif_sas_domain_state_handlers.c optional isci \
compile-with "${NORMAL_C} ${NO_WUNUSED_BUT_SET_VARIABLE}"
dev/isci/scil/scif_sas_domain_states.c optional isci
dev/isci/scil/scif_sas_high_priority_request_queue.c optional isci
dev/isci/scil/scif_sas_internal_io_request.c optional isci
dev/isci/scil/scif_sas_io_request.c optional isci
dev/isci/scil/scif_sas_io_request_state_handlers.c optional isci
dev/isci/scil/scif_sas_io_request_states.c optional isci
dev/isci/scil/scif_sas_library.c optional isci
dev/isci/scil/scif_sas_remote_device.c optional isci
dev/isci/scil/scif_sas_remote_device_ready_substate_handlers.c optional isci
dev/isci/scil/scif_sas_remote_device_ready_substates.c optional isci \
compile-with "${NORMAL_C} ${NO_WUNUSED_BUT_SET_VARIABLE}"
dev/isci/scil/scif_sas_remote_device_starting_substate_handlers.c optional isci
dev/isci/scil/scif_sas_remote_device_starting_substates.c optional isci
dev/isci/scil/scif_sas_remote_device_state_handlers.c optional isci
dev/isci/scil/scif_sas_remote_device_states.c optional isci
dev/isci/scil/scif_sas_request.c optional isci
dev/isci/scil/scif_sas_smp_activity_clear_affiliation.c optional isci
dev/isci/scil/scif_sas_smp_io_request.c optional isci
dev/isci/scil/scif_sas_smp_phy.c optional isci
dev/isci/scil/scif_sas_smp_remote_device.c optional isci \
compile-with "${NORMAL_C} ${NO_WUNUSED_BUT_SET_VARIABLE}"
dev/isci/scil/scif_sas_stp_io_request.c optional isci
dev/isci/scil/scif_sas_stp_remote_device.c optional isci
dev/isci/scil/scif_sas_stp_task_request.c optional isci
dev/isci/scil/scif_sas_task_request.c optional isci
dev/isci/scil/scif_sas_task_request_state_handlers.c optional isci
dev/isci/scil/scif_sas_task_request_states.c optional isci
dev/isci/scil/scif_sas_timer.c optional isci
dev/itwd/itwd.c optional itwd
dev/kvm_clock/kvm_clock.c optional kvm_clock
dev/mana/gdma_main.c optional mana
dev/mana/mana_en.c optional mana
dev/mana/mana_sysctl.c optional mana
dev/mana/shm_channel.c optional mana
dev/mana/hw_channel.c optional mana
dev/mana/gdma_util.c optional mana
dev/nctgpio/nctgpio.c optional nctgpio
dev/nfe/if_nfe.c optional nfe pci
dev/ntb/if_ntb/if_ntb.c optional if_ntb
dev/ntb/ntb_transport.c optional ntb_transport | if_ntb
dev/ntb/ntb.c optional ntb | ntb_transport | if_ntb | ntb_hw_amd | ntb_hw_intel | ntb_hw_plx | ntb_hw
dev/ntb/ntb_if.m optional ntb | ntb_transport | if_ntb | ntb_hw_amd | ntb_hw_intel | ntb_hw_plx | ntb_hw
dev/ntb/ntb_hw/ntb_hw_amd.c optional ntb_hw_amd | ntb_hw
dev/ntb/ntb_hw/ntb_hw_intel.c optional ntb_hw_intel | ntb_hw
dev/ntb/ntb_hw/ntb_hw_plx.c optional ntb_hw_plx | ntb_hw
dev/ntb/test/ntb_tool.c optional ntb_tool
dev/nvram/nvram.c optional nvram isa
dev/random/ivy.c optional rdrand_rng !random_loadable
dev/random/nehemiah.c optional padlock_rng !random_loadable
dev/qat_c2xxx/qat.c optional qat_c2xxx
dev/qat_c2xxx/qat_ae.c optional qat_c2xxx
dev/qat_c2xxx/qat_c2xxx.c optional qat_c2xxx
dev/qat_c2xxx/qat_hw15.c optional qat_c2xxx
dev/smbios/smbios_subr.c standard
dev/speaker/spkr.c optional speaker
dev/superio/superio.c optional superio isa
dev/syscons/scvesactl.c optional sc vga vesa
dev/syscons/scvgarndr.c optional sc vga
dev/tpm/tpm.c optional tpm
dev/tpm/tpm_acpi.c optional tpm acpi
dev/tpm/tpm_isa.c optional tpm isa
dev/uart/uart_cpu_x86.c optional uart
dev/viawd/viawd.c optional viawd
dev/vmd/vmd.c optional vmd | vmd_bus
dev/wbwd/wbwd.c optional wbwd
dev/wdatwd/wdatwd.c optional wdatwd
isa/syscons_isa.c optional sc
isa/vga_isa.c optional vga
libkern/strcmp.c standard
libkern/strncmp.c standard
libkern/x86/crc32_sse42.c standard
kern/imgact_aout.c optional compat_aout
#
# x86 shared code between IA32 and AMD64 architectures
#
x86/acpica/OsdEnvironment.c optional acpi
x86/acpica/acpi_apm.c optional acpi
x86/acpica/srat.c optional acpi
x86/bios/vpd.c optional vpd
x86/cpufreq/est.c optional cpufreq
x86/cpufreq/hwpstate_amd.c optional cpufreq
x86/cpufreq/hwpstate_intel.c optional cpufreq
x86/cpufreq/p4tcc.c optional cpufreq
x86/cpufreq/powernow.c optional cpufreq
x86/iommu/amd_cmd.c optional acpi iommu pci
x86/iommu/amd_ctx.c optional acpi iommu pci
x86/iommu/amd_drv.c optional acpi iommu pci
x86/iommu/amd_event.c optional acpi iommu pci
x86/iommu/amd_idpgtbl.c optional acpi iommu pci
x86/iommu/amd_intrmap.c optional acpi iommu pci
x86/iommu/intel_ctx.c optional acpi iommu pci
x86/iommu/intel_drv.c optional acpi iommu pci
x86/iommu/intel_fault.c optional acpi iommu pci
x86/iommu/intel_idpgtbl.c optional acpi iommu pci
x86/iommu/intel_intrmap.c optional acpi iommu pci
x86/iommu/intel_qi.c optional acpi iommu pci
x86/iommu/intel_quirks.c optional acpi iommu pci
x86/iommu/intel_utils.c optional acpi iommu pci
x86/iommu/iommu_utils.c optional acpi iommu pci
x86/isa/atrtc.c standard
x86/isa/clock.c standard
x86/isa/isa.c optional isa
x86/isa/isa_dma.c optional isa
x86/isa/nmi.c standard
x86/isa/orm.c optional isa
x86/pci/pci_bus.c optional pci
x86/pci/qpi.c optional pci
x86/x86/autoconf.c standard
x86/x86/bus_machdep.c standard
x86/x86/busdma_bounce.c standard
x86/x86/busdma_machdep.c standard
x86/x86/cpu_machdep.c standard
x86/x86/dbreg.c optional ddb | gdb
x86/x86/dump_machdep.c standard
x86/x86/fdt_machdep.c optional fdt
x86/x86/identcpu.c standard
x86/x86/intr_machdep.c standard
x86/x86/legacy.c standard
x86/x86/mca.c standard
x86/x86/x86_mem.c optional mem
x86/x86/mp_x86.c optional smp
x86/x86/nexus.c standard
x86/x86/pvclock.c optional kvm_clock | xenhvm
x86/x86/sdt_machdep.c optional kdtrace_hooks
x86/x86/stack_machdep.c optional ddb | stack
x86/x86/tsc.c standard
x86/x86/ucode.c standard
x86/x86/ucode_subr.c standard
x86/x86/vmware_guestrpc.c optional vmware_guestrpc
x86/x86/delay.c standard
x86/xen/hvm.c optional xenhvm
x86/xen/xen_apic.c optional xenhvm smp
x86/xen/xen_arch_intr.c optional xenhvm
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