464 lines
12 KiB
Makefile
464 lines
12 KiB
Makefile
# From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91
|
|
# $FreeBSD$
|
|
#
|
|
# The include file <bsd.kmod.mk> handles building and installing loadable
|
|
# kernel modules.
|
|
#
|
|
#
|
|
# +++ variables +++
|
|
#
|
|
# CLEANFILES Additional files to remove for the clean and cleandir targets.
|
|
#
|
|
# EXPORT_SYMS A list of symbols that should be exported from the module,
|
|
# or the name of a file containing a list of symbols, or YES
|
|
# to export all symbols. If not defined, no symbols are
|
|
# exported.
|
|
#
|
|
# KMOD The name of the kernel module to build.
|
|
#
|
|
# KMODDIR Base path for kernel modules (see kld(4)). [/boot/kernel]
|
|
#
|
|
# KMODOWN Module file owner. [${BINOWN}]
|
|
#
|
|
# KMODGRP Module file group. [${BINGRP}]
|
|
#
|
|
# KMODMODE Module file mode. [${BINMODE}]
|
|
#
|
|
# KMODLOAD Command to load a kernel module [/sbin/kldload]
|
|
#
|
|
# KMODUNLOAD Command to unload a kernel module [/sbin/kldunload]
|
|
#
|
|
# KMODISLOADED Command to check whether a kernel module is
|
|
# loaded [/sbin/kldstat -q -n]
|
|
#
|
|
# PROG The name of the kernel module to build.
|
|
# If not supplied, ${KMOD}.ko is used.
|
|
#
|
|
# SRCS List of source files.
|
|
#
|
|
# FIRMWS List of firmware images in format filename:shortname:version
|
|
#
|
|
# FIRMWARE_LICENSE
|
|
# Set to the name of the license the user has to agree on in
|
|
# order to use this firmware. See /usr/share/doc/legal
|
|
#
|
|
# DESTDIR The tree where the module gets installed. [not set]
|
|
#
|
|
# +++ targets +++
|
|
#
|
|
# install:
|
|
# install the kernel module; if the Makefile
|
|
# does not itself define the target install, the targets
|
|
# beforeinstall and afterinstall may also be used to cause
|
|
# actions immediately before and after the install target
|
|
# is executed.
|
|
#
|
|
# load:
|
|
# Load a module.
|
|
#
|
|
# unload:
|
|
# Unload a module.
|
|
#
|
|
# reload:
|
|
# Unload if loaded, then load.
|
|
#
|
|
|
|
AWK?= awk
|
|
KMODLOAD?= /sbin/kldload
|
|
KMODUNLOAD?= /sbin/kldunload
|
|
KMODISLOADED?= /sbin/kldstat -q -n
|
|
OBJCOPY?= objcopy
|
|
|
|
.include <bsd.init.mk>
|
|
# Grab all the options for a kernel build. For backwards compat, we need to
|
|
# do this after bsd.own.mk.
|
|
.include "kern.opts.mk"
|
|
.include <bsd.compiler.mk>
|
|
.include "config.mk"
|
|
|
|
.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S .m
|
|
|
|
# amd64 and mips use direct linking for kmod, all others use shared binaries
|
|
.if ${MACHINE_CPUARCH} != amd64 && ${MACHINE_CPUARCH} != mips
|
|
__KLD_SHARED=yes
|
|
.else
|
|
__KLD_SHARED=no
|
|
.endif
|
|
|
|
.if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing)
|
|
CFLAGS+= -fno-strict-aliasing
|
|
.endif
|
|
WERROR?= -Werror
|
|
CFLAGS+= ${WERROR}
|
|
CFLAGS+= -D_KERNEL
|
|
CFLAGS+= -DKLD_MODULE
|
|
|
|
# Don't use any standard or source-relative include directories.
|
|
NOSTDINC= -nostdinc
|
|
CFLAGS:= ${CFLAGS:N-I*} ${NOSTDINC} ${INCLMAGIC} ${CFLAGS:M-I*}
|
|
.if defined(KERNBUILDDIR)
|
|
CFLAGS+= -DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h
|
|
.endif
|
|
|
|
# Add -I paths for system headers. Individual module makefiles don't
|
|
# need any -I paths for this. Similar defaults for .PATH can't be
|
|
# set because there are no standard paths for non-headers.
|
|
CFLAGS+= -I. -I${SYSDIR}
|
|
|
|
CFLAGS.gcc+= -finline-limit=${INLINE_LIMIT}
|
|
CFLAGS.gcc+= -fms-extensions
|
|
CFLAGS.gcc+= --param inline-unit-growth=100
|
|
CFLAGS.gcc+= --param large-function-growth=1000
|
|
|
|
# Disallow common variables, and if we end up with commons from
|
|
# somewhere unexpected, allocate storage for them in the module itself.
|
|
CFLAGS+= -fno-common
|
|
LDFLAGS+= -d -warn-common
|
|
|
|
CFLAGS+= ${DEBUG_FLAGS}
|
|
.if ${MACHINE_CPUARCH} == amd64
|
|
CFLAGS+= -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
|
|
.endif
|
|
|
|
.if ${MACHINE_CPUARCH} == "aarch64"
|
|
CFLAGS+= -fPIC
|
|
.endif
|
|
|
|
# Temporary workaround for PR 196407, which contains the fascinating details.
|
|
# Don't allow clang to use fpu instructions or registers in kernel modules.
|
|
.if ${MACHINE_CPUARCH} == arm
|
|
.if ${COMPILER_VERSION} < 30800
|
|
CFLAGS.clang+= -mllvm -arm-use-movt=0
|
|
.else
|
|
CFLAGS.clang+= -mno-movt
|
|
.endif
|
|
CFLAGS.clang+= -mfpu=none
|
|
CFLAGS+= -funwind-tables
|
|
.endif
|
|
|
|
.if ${MACHINE_CPUARCH} == powerpc
|
|
CFLAGS+= -mlongcall -fno-omit-frame-pointer
|
|
.endif
|
|
|
|
.if ${MACHINE_CPUARCH} == mips
|
|
CFLAGS+= -G0 -fno-pic -mno-abicalls -mlong-calls
|
|
.endif
|
|
|
|
.if defined(DEBUG) || defined(DEBUG_FLAGS)
|
|
CTFFLAGS+= -g
|
|
.endif
|
|
|
|
.if defined(FIRMWS)
|
|
${KMOD:S/$/.c/}: ${SYSDIR}/tools/fw_stub.awk
|
|
${AWK} -f ${SYSDIR}/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \
|
|
${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE}
|
|
|
|
SRCS+= ${KMOD:S/$/.c/}
|
|
CLEANFILES+= ${KMOD:S/$/.c/}
|
|
|
|
.for _firmw in ${FIRMWS}
|
|
${_firmw:C/\:.*$/.fwo/}: ${_firmw:C/\:.*$//}
|
|
@${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}}
|
|
@if [ -e ${_firmw:C/\:.*$//} ]; then \
|
|
${LD} -b binary --no-warn-mismatch ${_LDFLAGS} \
|
|
-r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \
|
|
else \
|
|
ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \
|
|
${LD} -b binary --no-warn-mismatch ${_LDFLAGS} \
|
|
-r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \
|
|
rm ${_firmw:C/\:.*$//}; \
|
|
fi
|
|
|
|
OBJS+= ${_firmw:C/\:.*$/.fwo/}
|
|
.endfor
|
|
.endif
|
|
|
|
# Conditionally include SRCS based on kernel config options.
|
|
.for _o in ${KERN_OPTS}
|
|
SRCS+=${SRCS.${_o}}
|
|
.endfor
|
|
|
|
OBJS+= ${SRCS:N*.h:R:S/$/.o/g}
|
|
|
|
.if !defined(PROG)
|
|
PROG= ${KMOD}.ko
|
|
.endif
|
|
|
|
.if !defined(DEBUG_FLAGS)
|
|
FULLPROG= ${PROG}
|
|
.else
|
|
FULLPROG= ${PROG}.full
|
|
${PROG}: ${FULLPROG} ${PROG}.debug
|
|
${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.debug \
|
|
${FULLPROG} ${.TARGET}
|
|
${PROG}.debug: ${FULLPROG}
|
|
${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET}
|
|
.endif
|
|
|
|
.if ${__KLD_SHARED} == yes
|
|
${FULLPROG}: ${KMOD}.kld
|
|
.if ${MACHINE_CPUARCH} != "aarch64"
|
|
${LD} -Bshareable ${_LDFLAGS} -o ${.TARGET} ${KMOD}.kld
|
|
.else
|
|
#XXXKIB Relocatable linking in aarch64 ld from binutils 2.25.1 does
|
|
# not work. The linker corrupts the references to the external
|
|
# symbols which are defined by other object in the linking set
|
|
# and should therefore loose the GOT entry. The problem seems
|
|
# to be fixed in the binutils-gdb git HEAD as of 2015-10-04. Hack
|
|
# below allows to get partially functioning modules for now.
|
|
${LD} -Bshareable ${_LDFLAGS} -o ${.TARGET} ${OBJS}
|
|
.endif
|
|
.if !defined(DEBUG_FLAGS)
|
|
${OBJCOPY} --strip-debug ${.TARGET}
|
|
.endif
|
|
.endif
|
|
|
|
EXPORT_SYMS?= NO
|
|
.if ${EXPORT_SYMS} != YES
|
|
CLEANFILES+= export_syms
|
|
.endif
|
|
|
|
.if ${__KLD_SHARED} == yes
|
|
${KMOD}.kld: ${OBJS}
|
|
.else
|
|
${FULLPROG}: ${OBJS}
|
|
.endif
|
|
${LD} ${_LDFLAGS} -r -d -o ${.TARGET} ${OBJS}
|
|
.if ${MK_CTF} != "no"
|
|
${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
|
|
.endif
|
|
.if defined(EXPORT_SYMS)
|
|
.if ${EXPORT_SYMS} != YES
|
|
.if ${EXPORT_SYMS} == NO
|
|
:> export_syms
|
|
.elif !exists(${.CURDIR}/${EXPORT_SYMS})
|
|
echo ${EXPORT_SYMS} > export_syms
|
|
.else
|
|
grep -v '^#' < ${EXPORT_SYMS} > export_syms
|
|
.endif
|
|
${AWK} -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \
|
|
export_syms | xargs -J% ${OBJCOPY} % ${.TARGET}
|
|
.endif
|
|
.endif
|
|
.if !defined(DEBUG_FLAGS) && ${__KLD_SHARED} == no
|
|
${OBJCOPY} --strip-debug ${.TARGET}
|
|
.endif
|
|
|
|
_ILINKS=machine
|
|
.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
|
|
_ILINKS+=${MACHINE_CPUARCH}
|
|
.endif
|
|
.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
|
|
_ILINKS+=x86
|
|
.endif
|
|
CLEANFILES+=${_ILINKS}
|
|
|
|
all: ${PROG}
|
|
|
|
beforedepend: ${_ILINKS}
|
|
beforebuild: ${_ILINKS}
|
|
|
|
# Ensure that the links exist without depending on it when it exists which
|
|
# causes all the modules to be rebuilt when the directory pointed to changes.
|
|
.for _link in ${_ILINKS}
|
|
.if !exists(${.OBJDIR}/${_link})
|
|
${OBJS}: ${_link}
|
|
.endif
|
|
.endfor
|
|
|
|
# Search for kernel source tree in standard places.
|
|
.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys
|
|
.if !defined(SYSDIR) && exists(${_dir}/kern/)
|
|
SYSDIR= ${_dir}
|
|
.endif
|
|
.endfor
|
|
.if !defined(SYSDIR) || !exists(${SYSDIR}/kern/)
|
|
.error "can't find kernel source tree"
|
|
.endif
|
|
|
|
.NOPATH: ${_ILINKS}
|
|
|
|
${_ILINKS}:
|
|
@case ${.TARGET} in \
|
|
machine) \
|
|
path=${SYSDIR}/${MACHINE}/include ;; \
|
|
*) \
|
|
path=${SYSDIR}/${.TARGET:T}/include ;; \
|
|
esac ; \
|
|
path=`(cd $$path && /bin/pwd)` ; \
|
|
${ECHO} ${.TARGET:T} "->" $$path ; \
|
|
ln -sf $$path ${.TARGET:T}
|
|
|
|
CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS}
|
|
|
|
.if defined(DEBUG_FLAGS)
|
|
CLEANFILES+= ${FULLPROG} ${PROG}.debug
|
|
.endif
|
|
|
|
.if !target(install)
|
|
|
|
_INSTALLFLAGS:= ${INSTALLFLAGS}
|
|
.for ie in ${INSTALLFLAGS_EDIT}
|
|
_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
|
|
.endfor
|
|
|
|
.if !target(realinstall)
|
|
KERN_DEBUGDIR?= ${DEBUGDIR}
|
|
realinstall: _kmodinstall
|
|
.ORDER: beforeinstall _kmodinstall
|
|
_kmodinstall:
|
|
${INSTALL} -T release -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
|
|
${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}/
|
|
.if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no"
|
|
${INSTALL} -T debug -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
|
|
${_INSTALLFLAGS} ${PROG}.debug ${DESTDIR}${KERN_DEBUGDIR}${KMODDIR}/
|
|
.endif
|
|
|
|
.include <bsd.links.mk>
|
|
|
|
.if !defined(NO_XREF)
|
|
afterinstall: _kldxref
|
|
.ORDER: realinstall _kldxref
|
|
.ORDER: _installlinks _kldxref
|
|
_kldxref:
|
|
@if type kldxref >/dev/null 2>&1; then \
|
|
${ECHO} kldxref ${DESTDIR}${KMODDIR}; \
|
|
kldxref ${DESTDIR}${KMODDIR}; \
|
|
fi
|
|
.endif
|
|
.endif # !target(realinstall)
|
|
|
|
.endif # !target(install)
|
|
|
|
.if !target(load)
|
|
load: ${PROG}
|
|
${KMODLOAD} -v ${.OBJDIR}/${PROG}
|
|
.endif
|
|
|
|
.if !target(unload)
|
|
unload:
|
|
if ${KMODISLOADED} ${PROG} ; then ${KMODUNLOAD} -v ${PROG} ; fi
|
|
.endif
|
|
|
|
.if !target(reload)
|
|
reload: unload load
|
|
.endif
|
|
|
|
.if defined(KERNBUILDDIR)
|
|
.PATH: ${KERNBUILDDIR}
|
|
CFLAGS+= -I${KERNBUILDDIR}
|
|
.for _src in ${SRCS:Mopt_*.h}
|
|
CLEANFILES+= ${_src}
|
|
.if !target(${_src})
|
|
${_src}:
|
|
ln -sf ${KERNBUILDDIR}/${_src} ${.TARGET}
|
|
.endif
|
|
.endfor
|
|
.else
|
|
.for _src in ${SRCS:Mopt_*.h}
|
|
CLEANFILES+= ${_src}
|
|
.if !target(${_src})
|
|
${_src}:
|
|
:> ${.TARGET}
|
|
.endif
|
|
.endfor
|
|
.endif
|
|
|
|
# Respect configuration-specific C flags.
|
|
CFLAGS+= ${CONF_CFLAGS}
|
|
|
|
.if !empty(SRCS:Mvnode_if.c)
|
|
CLEANFILES+= vnode_if.c
|
|
vnode_if.c: ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src
|
|
${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -c
|
|
.endif
|
|
|
|
.if !empty(SRCS:Mvnode_if.h)
|
|
CLEANFILES+= vnode_if.h vnode_if_newproto.h vnode_if_typedef.h
|
|
vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: ${SYSDIR}/tools/vnode_if.awk \
|
|
${SYSDIR}/kern/vnode_if.src
|
|
vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
|
|
${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -h
|
|
vnode_if_newproto.h:
|
|
${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -p
|
|
vnode_if_typedef.h:
|
|
${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -q
|
|
.endif
|
|
|
|
# Build _if.[ch] from _if.m, and clean them when we're done.
|
|
# __MPATH defined in config.mk
|
|
_MFILES=${__MPATH:T:O}
|
|
_MPATH=${__MPATH:H:O:u}
|
|
.PATH.m: ${_MPATH}
|
|
.for _i in ${SRCS:M*_if.[ch]}
|
|
_MATCH=M${_i:R:S/$/.m/}
|
|
_MATCHES=${_MFILES:${_MATCH}}
|
|
.if !empty(_MATCHES)
|
|
CLEANFILES+= ${_i}
|
|
.endif
|
|
.endfor # _i
|
|
.m.c: ${SYSDIR}/tools/makeobjops.awk
|
|
${AWK} -f ${SYSDIR}/tools/makeobjops.awk ${.IMPSRC} -c
|
|
|
|
.m.h: ${SYSDIR}/tools/makeobjops.awk
|
|
${AWK} -f ${SYSDIR}/tools/makeobjops.awk ${.IMPSRC} -h
|
|
|
|
.for _i in mii pccard
|
|
.if !empty(SRCS:M${_i}devs.h)
|
|
CLEANFILES+= ${_i}devs.h
|
|
${_i}devs.h: ${SYSDIR}/tools/${_i}devs2h.awk ${SYSDIR}/dev/${_i}/${_i}devs
|
|
${AWK} -f ${SYSDIR}/tools/${_i}devs2h.awk ${SYSDIR}/dev/${_i}/${_i}devs
|
|
.endif
|
|
.endfor # _i
|
|
|
|
.if !empty(SRCS:Musbdevs.h)
|
|
CLEANFILES+= usbdevs.h
|
|
usbdevs.h: ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs
|
|
${AWK} -f ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs -h
|
|
.endif
|
|
|
|
.if !empty(SRCS:Musbdevs_data.h)
|
|
CLEANFILES+= usbdevs_data.h
|
|
usbdevs_data.h: ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs
|
|
${AWK} -f ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs -d
|
|
.endif
|
|
|
|
.if !empty(SRCS:Macpi_quirks.h)
|
|
CLEANFILES+= acpi_quirks.h
|
|
acpi_quirks.h: ${SYSDIR}/tools/acpi_quirks2h.awk ${SYSDIR}/dev/acpica/acpi_quirks
|
|
${AWK} -f ${SYSDIR}/tools/acpi_quirks2h.awk ${SYSDIR}/dev/acpica/acpi_quirks
|
|
.endif
|
|
|
|
.if !empty(SRCS:Massym.s)
|
|
CLEANFILES+= assym.s genassym.o
|
|
assym.s: genassym.o
|
|
.if defined(KERNBUILDDIR)
|
|
genassym.o: opt_global.h
|
|
.endif
|
|
assym.s: ${SYSDIR}/kern/genassym.sh
|
|
sh ${SYSDIR}/kern/genassym.sh genassym.o > ${.TARGET}
|
|
genassym.o: ${SYSDIR}/${MACHINE}/${MACHINE}/genassym.c
|
|
genassym.o: ${SRCS:Mopt_*.h}
|
|
${CC} -c ${CFLAGS:N-fno-common} \
|
|
${SYSDIR}/${MACHINE}/${MACHINE}/genassym.c
|
|
.endif
|
|
|
|
lint: ${SRCS}
|
|
${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c}
|
|
|
|
.if defined(KERNBUILDDIR)
|
|
${OBJS}: opt_global.h
|
|
.endif
|
|
|
|
CLEANDEPENDFILES+= ${_ILINKS}
|
|
# .depend needs include links so we remove them only together.
|
|
cleanilinks:
|
|
rm -f ${_ILINKS}
|
|
|
|
OBJS_DEPEND_GUESS+= ${SRCS:M*.h}
|
|
|
|
.include <bsd.dep.mk>
|
|
.include <bsd.clang-analyze.mk>
|
|
.include <bsd.obj.mk>
|
|
.include "kern.mk"
|