bsd.kmodule.mk revision 1.35
1 # $NetBSD: bsd.kmodule.mk,v 1.35 2012/02/19 23:19:37 matt Exp $ 2 3 # We are not building this with PIE 4 MKPIE=no 5 6 .include <bsd.init.mk> 7 .include <bsd.klinks.mk> 8 .include <bsd.sys.mk> 9 10 ##### Basic targets 11 realinstall: kmodinstall 12 13 KERN= $S/kern 14 15 CFLAGS+= -ffreestanding ${COPTS} 16 CPPFLAGS+= -nostdinc -I. -I${.CURDIR} -isystem $S -isystem $S/arch 17 CPPFLAGS+= -isystem ${S}/../common/include 18 CPPFLAGS+= -D_KERNEL -D_LKM -D_MODULE -DSYSCTL_INCLUDE_DESCR 19 20 # XXX until the kernel is fixed again... 21 .if defined(HAVE_GCC) || defined(HAVE_PCC) 22 CFLAGS+= -fno-strict-aliasing -Wno-pointer-sign 23 .endif 24 25 # XXX This is a workaround for platforms that have relative relocations 26 # that, when relocated by the module loader, result in addresses that 27 # overflow the size of the relocation (e.g. R_PPC_REL24 in powerpc). 28 # The real solution to this involves generating trampolines for those 29 # relocations inside the loader and removing this workaround, as the 30 # resulting code would be much faster. 31 .if ${MACHINE_CPU} == "arm" 32 CFLAGS+= -mlong-calls 33 .elif ${MACHINE_CPU} == "powerpc" 34 CFLAGS+= -mlongcall 35 .elif ${MACHINE_CPU} == "vax" 36 CFLAGS+= -fno-pic 37 .endif 38 39 # evbppc needs some special help 40 .if ${MACHINE} == "evbppc" 41 42 . ifndef PPC_INTR_IMPL 43 PPC_INTR_IMPL=\"powerpc/intr.h\" 44 . endif 45 . ifndef PPC_PCI_MACHDEP_IMPL 46 PPC_PCI_MACHDEP_IMPL=\"powerpc/pci_machdep.h\" 47 . endif 48 CPPFLAGS+= -DPPC_INTR_IMPL=${PPC_INTR_IMPL} 49 CPPFLAGS+= -DPPC_PCI_MACHDEP_IMPL=${DPPC_PCI_MACHDEP_IMPL} 50 51 . ifdef PPC_IBM4XX 52 CPPFLAGS+= -DPPC_IBM4XX 53 . elifdef PPC_BOOKE 54 CPPFLAGS+= -DPPC_BOOKE 55 . else 56 CPPFLAGS+= -DPPC_OEA 57 . endif 58 59 .endif 60 61 62 _YKMSRCS= ${SRCS:M*.[ly]:C/\..$/.c/} ${YHEADER:D${SRCS:M*.y:.y=.h}} 63 DPSRCS+= ${_YKMSRCS} 64 CLEANFILES+= ${_YKMSRCS} 65 66 .if exists($S/../sys/modules/xldscripts/kmodule) 67 KMODSCRIPT= $S/../sys/modules/xldscripts/kmodule 68 .else 69 KMODSCRIPT= ${DESTDIR}/usr/libdata/ldscripts/kmodule 70 .endif 71 72 PROG?= ${KMOD}.kmod 73 74 ##### Build rules 75 realall: ${PROG} 76 77 .if (defined(USE_COMBINE) && ${USE_COMBINE} != "no" && !commands(${_P}) \ 78 && !defined(NOCOMBINE.${_P}) && !defined(NOCOMBINE)) 79 .for f in ${SRCS:N*.h:N*.sh:N*.fth:C/\.[yl]$/.c/g} 80 .if (${CPPFLAGS.$f:D1} == "1" || ${CPUFLAGS.$f:D2} == "2" \ 81 || ${COPTS.$f:D3} == "3" || ${OBJCOPTS.$f:D4} == "4" \ 82 || ${CXXFLAGS.$f:D5} == "5") \ 83 || ("${f:M*.[cyl]}" == "" || commands(${f:R:S/$/.o/})) 84 XOBJS+= ${f:R:S/$/.o/} 85 .else 86 XSRCS+= ${f} 87 NODPSRCS+= ${f} 88 .endif 89 .endfor 90 91 .if !empty(XOBJS) 92 ${XOBJS}: ${DPSRCS} 93 .endif 94 95 ${PROG}: ${XOBJS} ${XSRCS} ${DPSRCS} ${DPADD} 96 ${_MKTARGET_LINK} 97 ${CC} ${LDFLAGS} -nostdlib -MD -combine -r -Wl,-T,${KMODSCRIPT},-d \ 98 -o ${.TARGET} ${CFLAGS} ${CPPFLAGS} ${XOBJS} \ 99 ${XSRCS:@.SRC.@${.ALLSRC:M*.c:M*${.SRC.}}@:O:u} && \ 100 echo '.-include "${KMOD}.d"' > .depend 101 102 .else 103 OBJS+= ${SRCS:N*.h:N*.sh:R:S/$/.o/g} 104 105 ${OBJS} ${LOBJS}: ${DPSRCS} 106 107 ${PROG}: ${OBJS} ${DPADD} 108 ${_MKTARGET_LINK} 109 ${CC} ${LDFLAGS} -nostdlib -r -Wl,-T,${KMODSCRIPT},-d \ 110 -o ${.TARGET} ${OBJS} 111 .endif 112 113 ##### Install rules 114 .if !target(kmodinstall) 115 .if !defined(KMODULEDIR) 116 _OSRELEASE!= ${HOST_SH} $S/conf/osrelease.sh -k 117 # Ensure these are recorded properly in METALOG on unprived installes: 118 KMODULEARCHDIR?= ${MACHINE} 119 _INST_DIRS= ${DESTDIR}/stand/${KMODULEARCHDIR} 120 _INST_DIRS+= ${DESTDIR}/stand/${KMODULEARCHDIR}/${_OSRELEASE} 121 _INST_DIRS+= ${DESTDIR}/stand/${KMODULEARCHDIR}/${_OSRELEASE}/modules 122 KMODULEDIR= ${DESTDIR}/stand/${KMODULEARCHDIR}/${_OSRELEASE}/modules/${KMOD} 123 .endif 124 _PROG:= ${KMODULEDIR}/${PROG} # installed path 125 126 .if ${MKUPDATE} == "no" 127 ${_PROG}! ${PROG} # install rule 128 .if !defined(BUILD) && !make(all) && !make(${PROG}) 129 ${_PROG}! .MADE # no build at install 130 .endif 131 .else 132 ${_PROG}: ${PROG} # install rule 133 .if !defined(BUILD) && !make(all) && !make(${PROG}) 134 ${_PROG}: .MADE # no build at install 135 .endif 136 .endif 137 ${_MKTARGET_INSTALL} 138 dirs=${_INST_DIRS:Q}; \ 139 for d in $$dirs; do \ 140 ${INSTALL_DIR} $$d; \ 141 done 142 ${INSTALL_DIR} ${KMODULEDIR} 143 ${INSTALL_FILE} -o ${KMODULEOWN} -g ${KMODULEGRP} -m ${KMODULEMODE} \ 144 ${.ALLSRC} ${.TARGET} 145 146 kmodinstall:: ${_PROG} 147 .PHONY: kmodinstall 148 .PRECIOUS: ${_PROG} # keep if install fails 149 150 .undef _PROG 151 .endif # !target(kmodinstall) 152 153 ##### Clean rules 154 CLEANFILES+= a.out [Ee]rrs mklog core *.core ${PROG} ${OBJS} ${LOBJS} 155 156 ##### Custom rules 157 lint: ${LOBJS} 158 .if defined(LOBJS) && !empty(LOBJS) 159 ${LINT} ${LINTFLAGS} ${LDFLAGS:C/-L[ ]*/-L/Wg:M-L*} ${LOBJS} ${LDADD} 160 .endif 161 162 ##### Pull in related .mk logic 163 LINKSOWN?= ${KMODULEOWN} 164 LINKSGRP?= ${KMODULEGRP} 165 LINKSMODE?= ${KMODULEMODE} 166 .include <bsd.man.mk> 167 .include <bsd.links.mk> 168 .include <bsd.dep.mk> 169 .include <bsd.clean.mk> 170 171 .-include "$S/arch/${MACHINE_CPU}/include/Makefile.inc" 172 .-include "$S/arch/${MACHINE}/include/Makefile.inc" 173
Indexes created Sun Oct 26 17:10:13 GMT 2025