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bsd.kmodule.mk revision 1.1 
      1 #	$NetBSD: bsd.kmodule.mk,v 1.1 2008/05/02 14:20:50 ad Exp $
      2 
      3 .include <bsd.init.mk>
      4 .include <bsd.klinks.mk>
      5 
      6 ##### Basic targets
      7 clean:		cleankmod
      8 realinstall:	kmodinstall
      9 
     10 KERN=		$S/kern
     11 
     12 CFLAGS+=	-ffreestanding -fno-zero-initialized-in-bss ${COPTS}
     13 CPPFLAGS+=	-nostdinc -I. -I${.CURDIR} -isystem $S -isystem $S/arch
     14 CPPFLAGS+=	-isystem ${S}/../common/include
     15 CPPFLAGS+=	-D_KERNEL -D_LKM -D_MODULE
     16 
     17 # XXX until the kernel is fixed again...
     18 .if ${HAVE_GCC} == 4
     19 CFLAGS+=	-fno-strict-aliasing -Wno-pointer-sign
     20 .endif
     21 
     22 _YKMSRCS=	${SRCS:M*.[ly]:C/\..$/.c/} ${YHEADER:D${SRCS:M*.y:.y=.h}}
     23 DPSRCS+=	${_YKMSRCS}
     24 CLEANFILES+=	${_YKMSRCS}
     25 CLEANFILES+=	tmp.o
     26 
     27 .if \
     28     ${MACHINE_CPU} == "arm" || \
     29     ${MACHINE_CPU} == "hppa" || \
     30     ${MACHINE_CPU} == "powerpc"
     31 CLEANFILES+=	${KMOD}_tramp.o ${KMOD}_tramp.S tmp.S ${KMOD}_tmp.o
     32 .endif
     33 
     34 OBJS+=		${SRCS:N*.h:N*.sh:R:S/$/.o/g}
     35 PROG?=		${KMOD}.kmod
     36 
     37 ##### Build rules
     38 realall:	${PROG}
     39 
     40 ${OBJS} ${LOBJS}: ${DPSRCS}
     41 
     42 .if \
     43     ${MACHINE_CPU} == "arm" || \
     44     ${MACHINE_CPU} == "hppa" || \
     45     ${MACHINE_CPU} == "powerpc"
     46 ${KMOD}_tmp.o: ${OBJS} ${DPADD}
     47 	${_MKTARGET_COMPILE}
     48 	${LD} -r -o tmp.o ${OBJS}
     49 	mv tmp.o ${.TARGET}
     50 
     51 ${KMOD}_tramp.S: ${KMOD}_tmp.o $S/lkm/arch/${MACHINE_CPU}/lkmtramp.awk
     52 	${_MKTARGET_CREATE}
     53 	${OBJDUMP} --syms --reloc ${KMOD}_tmp.o | \
     54 		 awk -f $S/lkm/arch/${MACHINE_CPU}/lkmtramp.awk > tmp.S
     55 	mv tmp.S ${.TARGET}
     56 
     57 ${PROG}: ${KMOD}_tmp.o ${KMOD}_tramp.o
     58 	${_MKTARGET_LINK}
     59 	${LD} -r \
     60 		`${OBJDUMP} --syms --reloc ${KMOD}_tmp.o | \
     61 			 awk -f $S/lkm/arch/${MACHINE_CPU}/lkmwrap.awk` \
     62 		 -o tmp.o ${KMOD}_tmp.o ${KMOD}_tramp.o
     63 .if exists($S/lkm/arch/${MACHINE_CPU}/lkmhide.awk)
     64 	${OBJCOPY} \
     65 		`${NM} tmp.o | awk -f $S/lkm/arch/${MACHINE_CPU}/lkmhide.awk` \
     66 		tmp.o tmp1.o
     67 	mv tmp1.o tmp.o
     68 .endif
     69 	mv tmp.o ${.TARGET}
     70 .else
     71 ${PROG}: ${OBJS} ${DPADD}
     72 	${_MKTARGET_LINK}
     73 	${LD} -r -o tmp.o ${OBJS}
     74 	mv tmp.o ${.TARGET}
     75 .endif
     76 
     77 ##### Install rules
     78 .if !target(kmodinstall)
     79 _PROG:=		${DESTDIR}${KMODDIR}/${PROG}		# installed path
     80 
     81 .if ${MKUPDATE} == "no"
     82 ${_PROG}! ${PROG}					# install rule
     83 .if !defined(BUILD) && !make(all) && !make(${PROG})
     84 ${_PROG}!	.MADE					# no build at install
     85 .endif
     86 .else
     87 ${_PROG}: ${PROG}					# install rule
     88 .if !defined(BUILD) && !make(all) && !make(${PROG})
     89 ${_PROG}:	.MADE					# no build at install
     90 .endif
     91 .endif
     92 	${_MKTARGET_INSTALL}
     93 	${INSTALL_FILE} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
     94 		${.ALLSRC} ${.TARGET}
     95 
     96 kmodinstall::	${_PROG}
     97 .PHONY:		kmodinstall
     98 .PRECIOUS:	${_PROG}				# keep if install fails
     99 
    100 .undef _PROG
    101 .endif # !target(kmodinstall)
    102 
    103 ##### Clean rules
    104 cleankmod: .PHONY
    105 	rm -f a.out [Ee]rrs mklog core *.core \
    106 		${PROG} ${OBJS} ${LOBJS} ${CLEANFILES}
    107 
    108 ##### Custom rules
    109 lint: ${LOBJS}
    110 .if defined(LOBJS) && !empty(LOBJS)
    111 	${LINT} ${LINTFLAGS} ${LDFLAGS:C/-L[  ]*/-L/Wg:M-L*} ${LOBJS} ${LDADD}
    112 .endif
    113 
    114 .if !target(load)
    115 load: ${PROG}
    116 	/sbin/modload ${KMOD_LOADFLAGS} -o ${KMOD} ${PROG}
    117 .endif
    118 .PHONY: load
    119 
    120 .if !target(unload)
    121 unload:
    122 	/sbin/modunload -n ${KMOD}
    123 .endif
    124 .PHONY: unload
    125 
    126 ##### Pull in related .mk logic
    127 .include <bsd.man.mk>
    128 .include <bsd.links.mk>
    129 .include <bsd.sys.mk>
    130 .include <bsd.dep.mk>
    131 
    132 .-include "$S/arch/${MACHINE_CPU}/include/Makefile.inc"
    133 .-include "$S/arch/${MACHINE}/include/Makefile.inc"
    134