NetBSD/share/mk/bsd.kmod.mk

166 lines
4.0 KiB
Makefile

# $NetBSD: bsd.kmod.mk,v 1.74 2004/01/29 01:48:45 lukem Exp $
.include <bsd.init.mk>
##### Basic targets
clean: cleankmod
realinstall: kmodinstall
##### Default values
.if !defined(S)
.if defined(NETBSDSRCDIR)
S= ${NETBSDSRCDIR}/sys
.elif defined(BSDSRCDIR)
S= ${BSDSRCDIR}/sys
.else
S= /sys
.endif
.endif
KERN= $S/kern
CFLAGS+= -ffreestanding ${COPTS}
CPPFLAGS+= -nostdinc -I. -I${.CURDIR} -isystem $S -isystem $S/arch
CPPFLAGS+= -D_KERNEL -D_LKM
DPSRCS+= ${SRCS:M*.l:.l=.c} ${SRCS:M*.y:.y=.c}
CLEANFILES+= ${SRCS:M*.l:.l=.c} ${SRCS:M*.y:.y=.c}
CLEANFILES+= ${YHEADER:D${SRCS:M*.y:.y=.h}}
CLEANFILES+= machine ${MACHINE_CPU} tmp.o
# see below why this is necessary
.if ${MACHINE} == "sun2" || ${MACHINE} == "sun3"
CLEANFILES+= sun68k
.elif ${MACHINE} == "sparc64"
CLEANFILES+= sparc
.elif ${MACHINE} == "i386"
CLEANFILES+= x86
.elif ${MACHINE} == "amd64"
CLEANFILES+= x86
CFLAGS+= -mcmodel=kernel
.elif ${MACHINE_CPU} == "powerpc" || \
${MACHINE_CPU} == "arm"
CLEANFILES+= ${KMOD}_tramp.o ${KMOD}_tramp.S tmp.S ${KMOD}_tmp.o
.endif
OBJS+= ${SRCS:N*.h:N*.sh:R:S/$/.o/g}
PROG?= ${KMOD}.o
MAN?= ${KMOD}.4
##### Build rules
realall: ${PROG}
${OBJS} ${LOBJS}: ${DPSRCS}
.if ${MACHINE_CPU} == "powerpc" || \
${MACHINE_CPU} == "arm"
${KMOD}_tmp.o: ${OBJS} ${DPADD}
${LD} -r ${LDFLAGS} -o tmp.o ${OBJS}
mv tmp.o ${.TARGET}
${KMOD}_tramp.S: ${KMOD}_tmp.o $S/lkm/arch/${MACHINE_CPU}/lkmtramp.awk
${OBJDUMP} --syms --reloc ${KMOD}_tmp.o | \
awk -f $S/lkm/arch/${MACHINE_CPU}/lkmtramp.awk > tmp.S
mv tmp.S ${.TARGET}
${PROG}: ${KMOD}_tmp.o ${KMOD}_tramp.o
${LD} -r ${LDFLAGS} \
`${OBJDUMP} --syms --reloc ${KMOD}_tmp.o | \
awk -f $S/lkm/arch/${MACHINE_CPU}/lkmwrap.awk` \
-o tmp.o ${KMOD}_tmp.o ${KMOD}_tramp.o
.if exists($S/lkm/arch/${MACHINE_CPU}/lkmhide.awk)
${OBJCOPY} \
`${NM} tmp.o | awk -f $S/lkm/arch/${MACHINE_CPU}/lkmhide.awk` \
tmp.o tmp1.o
mv tmp1.o tmp.o
.endif
mv tmp.o ${.TARGET}
.else
${PROG}: ${OBJS} ${DPADD}
${LD} -r ${LDFLAGS} -o tmp.o ${OBJS}
mv tmp.o ${.TARGET}
.endif
# XXX. This should be done a better way. It's @'d to reduce visual spew.
# XXX .BEGIN is used to make sure the links are done before anything else.
.if make(depend) || make(all) || make(dependall)
.BEGIN:
@rm -f machine && \
ln -s $S/arch/${MACHINE}/include machine
@rm -f ${MACHINE_CPU} && \
ln -s $S/arch/${MACHINE_CPU}/include ${MACHINE_CPU}
# XXX. it gets worse..
.if ${MACHINE} == "sun2" || ${MACHINE} == "sun3"
@rm -f sun68k && \
ln -s $S/arch/sun68k/include sun68k
.endif
.if ${MACHINE} == "sparc64"
@rm -f sparc && \
ln -s $S/arch/sparc/include sparc
.endif
.if ${MACHINE} == "amd64"
@rm -f x86 && \
ln -s $S/arch/x86/include x86
.endif
.if ${MACHINE_CPU} == "i386"
@rm -f x86 && \
ln -s $S/arch/x86/include x86
.endif
.endif
##### Install rules
.if !target(kmodinstall)
_PROG:= ${DESTDIR}${KMODDIR}/${PROG} # installed path
.if ${MKUPDATE} == "no"
${_PROG}! ${PROG} # install rule
.if !defined(BUILD) && !make(all) && !make(${PROG})
${_PROG}! .MADE # no build at install
.endif
.else
${_PROG}: ${PROG} # install rule
.if !defined(BUILD) && !make(all) && !make(${PROG})
${_PROG}: .MADE # no build at install
.endif
.endif
${INSTALL_FILE} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
${SYSPKGTAG} ${.ALLSRC} ${.TARGET}
kmodinstall:: ${_PROG}
.PHONY: kmodinstall
.PRECIOUS: ${_PROG} # keep if install fails
.undef _PROG
.endif # !target(kmodinstall)
##### Clean rules
cleankmod: .PHONY
rm -f a.out [Ee]rrs mklog core *.core \
${PROG} ${OBJS} ${LOBJS} ${CLEANFILES}
##### Custom rules
lint: ${LOBJS}
.if defined(LOBJS) && !empty(LOBJS)
${LINT} ${LINTFLAGS} ${LDFLAGS:C/-L[ ]*/-L/Wg:M-L*} ${LOBJS} ${LDADD}
.endif
.if !target(load)
load: ${PROG}
/sbin/modload ${KMOD_LOADFLAGS} -o ${KMOD} ${PROG}
.endif
.PHONY: load
.if !target(unload)
unload:
/sbin/modunload -n ${KMOD}
.endif
.PHONY: unload
##### Pull in related .mk logic
.include <bsd.man.mk>
.include <bsd.links.mk>
.include <bsd.sys.mk>
.include <bsd.dep.mk>
.-include "$S/arch/${MACHINE_CPU}/include/Makefile.inc"
.-include "$S/arch/${MACHINE}/include/Makefile.inc"