kern.pre.mk revision 330420
185909Simp# $FreeBSD: stable/11/sys/conf/kern.pre.mk 330420 2018-03-04 23:25:26Z bdrewery $ 285909Simp 3122116Sbde# Part of a unified Makefile for building kernels. This part contains all 4122116Sbde# of the definitions that need to be before %BEFORE_DEPEND. 5122116Sbde 6180012Sru# Allow user to configure things that only effect src tree builds. 7240468Sbrooks# Note: This is duplicated from src.sys.mk to ensure that we include 8160440Sobrien# /etc/src.conf when building the kernel. Kernels can be built without 9210151Simp# the rest of /usr/src, but they still always process SRCCONF even though 10239272Sgonzo# the normal mechanisms to prevent that (compiling out of tree) won't 11210151Simp# work. To ensure they do work, we have to duplicate thee few lines here. 1285909SimpSRCCONF?= /etc/src.conf 1385909Simp.if (exists(${SRCCONF}) || ${SRCCONF} != "/etc/src.conf") && !target(_srcconf_included_) 1485909Simp.include "${SRCCONF}" 1585909Simp_srcconf_included_: 16175888Simp.endif 17175888Simp 1885909Simp.include <bsd.own.mk> 19218538Simp.include <bsd.compiler.mk> 2085909Simp.include "kern.opts.mk" 2191512Sobrien 22240451Snp# The kernel build always occurs in the object directory which is .CURDIR. 23116341Smarkm.if ${.MAKE.MODE:Unormal:Mmeta} 2485909Simp.MAKE.MODE+= curdirOk=yes 2585909Simp.endif 2685909Simp 2785909Simp# The kernel build always expects .OBJDIR=.CURDIR. 28220863Sdim.OBJDIR: ${.CURDIR} 29140606Sobrien 30187103Sgnn# Can be overridden by makeoptions or /etc/make.conf 31220863SdimKERNEL_KO?= kernel 32224882SnwhitehornKERNEL?= kernel 33224882SnwhitehornKODIR?= /boot/${KERNEL} 34224882SnwhitehornLDSCRIPT_NAME?= ldscript.$M 35140606SobrienLDSCRIPT?= $S/conf/${LDSCRIPT_NAME} 36220863Sdim 37224882SnwhitehornM= ${MACHINE} 38220863Sdim 39240468SbrooksAWK?= awk 40127204SobrienCP?= cp 41220863SdimLINT?= lint 42228868SdimNM?= nm 43228868SdimOBJCOPY?= objcopy 44228868SdimSIZE?= size 45140606Sobrien 46220863Sdim.if defined(DEBUG) 47220863Sdim_MINUS_O= -O 48124834SruCTFFLAGS+= -g 49124834Sru.else 5085909Simp.if ${MACHINE_CPUARCH} == "powerpc" 5185909Simp_MINUS_O= -O # gcc miscompiles some code at -O2 5285909Simp.else 53160043Sobrien_MINUS_O= -O2 54126890Strhodes.endif 5585909Simp.endif 56192901Sthompsa.if ${MACHINE_CPUARCH} == "amd64" 57126890Strhodes.if ${COMPILER_TYPE} == "clang" 58151605SobrienCOPTFLAGS?=-O2 -pipe 59151605Sobrien.else 60130416SmlaierCOPTFLAGS?=-O2 -frename-registers -pipe 61130416Smlaier.endif 62149978Sobrien.else 63149978SobrienCOPTFLAGS?=${_MINUS_O} -pipe 64149978Sobrien.endif 65149978Sobrien.if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing) 66149978SobrienCOPTFLAGS+= -fno-strict-aliasing 67185522Ssam.endif 68185522Ssam.if !defined(NO_CPU_COPTFLAGS) 69149978SobrienCOPTFLAGS+= ${_CPUCFLAGS} 70149978Sobrien.endif 71149978SobrienNOSTDINC= -nostdinc 72149978Sobrien 73229353SgjbINCLUDES= ${NOSTDINC} ${INCLMAGIC} -I. -I$S 74149978Sobrien 75149978SobrienCFLAGS= ${COPTFLAGS} ${DEBUG} 76218792SnpCFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h 77218792SnpCFLAGS_PARAM_INLINE_UNIT_GROWTH?=100 78183292SkmacyCFLAGS_PARAM_LARGE_FUNCTION_GROWTH?=1000 79149978Sobrien.if ${MACHINE_CPUARCH} == "mips" 80149978SobrienCFLAGS_ARCH_PARAMS?=--param max-inline-insns-single=1000 81160043Sobrien.endif 82150966SglebiusCFLAGS.gcc+= -fno-common -fms-extensions -finline-limit=${INLINE_LIMIT} 83240468SbrooksCFLAGS.gcc+= --param inline-unit-growth=${CFLAGS_PARAM_INLINE_UNIT_GROWTH} 84124834SruCFLAGS.gcc+= --param large-function-growth=${CFLAGS_PARAM_LARGE_FUNCTION_GROWTH} 85210311Sjmallett.if defined(CFLAGS_ARCH_PARAMS) 86132766SkanCFLAGS.gcc+=${CFLAGS_ARCH_PARAMS} 87132766Skan.endif 88210311SjmallettWERROR?= -Werror 89210311Sjmallett 90215988Sjmallett# XXX LOCORE means "don't declare C stuff" not "for locore.s". 91210311SjmallettASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS} ${ASM_CFLAGS.${.IMPSRC:T}} 92215988Sjmallett 93210311Sjmallett.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1 94210394SrpauloCFLAGS+= -DGPROF 95171239SpeterCFLAGS.gcc+= -falign-functions=16 9685909Simp.if ${PROFLEVEL} >= 2 9785909SimpCFLAGS+= -DGPROF4 -DGUPROF 9885909SimpPROF= -pg 9985909Simp.if ${COMPILER_TYPE} == "gcc" 100240468SbrooksPROF+= -mprofiler-epilogue 101232263Sdim.endif 102232263Sdim.else 103232263SdimPROF= -pg 10499923Sbde.endif 105242715Sdim.endif 106242715SdimDEFINED_PROF= ${PROF} 107242715Sdim 108242715Sdim# Put configuration-specific C flags last (except for ${PROF}) so that they 10999932Sbde# can override the others. 11099932SbdeCFLAGS+= ${CONF_CFLAGS} 111242717Sdim 112242717Sdim# Optional linting. This can be overridden in /etc/make.conf. 113242717SdimLINTFLAGS= ${LINTOBJKERNFLAGS} 114242717Sdim 11599932SbdeNORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 116242717SdimNORMAL_S= ${CC:N${CCACHE_BIN}} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC} 11799923SbdePROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC} 11899932SbdeNORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 11985909Simp 12091002SpeterNORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \ 12185909Simp ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c 12285909Simp 12385909SimpNORMAL_FW= uudecode -o ${.TARGET} ${.ALLSRC} 12485909SimpNORMAL_FWO= ${LD} -b binary --no-warn-mismatch -d -warn-common -r \ 125116341Smarkm -m ${LD_EMULATION} -o ${.TARGET} ${.ALLSRC:M*.fw} 126116341Smarkm 127116341Smarkm# Common for dtrace / zfs 12891002SpeterCDDL_CFLAGS= -DFREEBSD_NAMECACHE -nostdinc -I$S/cddl/compat/opensolaris -I$S/cddl/contrib/opensolaris/uts/common -I$S -I$S/cddl/contrib/opensolaris/common ${CFLAGS} -Wno-unknown-pragmas -Wno-missing-prototypes -Wno-undef -Wno-strict-prototypes -Wno-cast-qual -Wno-parentheses -Wno-redundant-decls -Wno-missing-braces -Wno-uninitialized -Wno-unused -Wno-inline -Wno-switch -Wno-pointer-arith -Wno-unknown-pragmas 12991002SpeterCDDL_CFLAGS+= -include $S/cddl/compat/opensolaris/sys/debug_compat.h 13091002SpeterCDDL_C= ${CC} -c ${CDDL_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 131105489Smux 13285909Simp# Special flags for managing the compat compiles for ZFS 133105462SmuxZFS_CFLAGS= -DBUILDING_ZFS -I$S/cddl/contrib/opensolaris/uts/common/fs/zfs 134105462SmuxZFS_CFLAGS+= -I$S/cddl/contrib/opensolaris/uts/common/fs/zfs/lua 13585909SimpZFS_CFLAGS+= -I$S/cddl/contrib/opensolaris/uts/common/zmod 136239956SjhbZFS_CFLAGS+= -I$S/cddl/contrib/opensolaris/common/zfs 137239957SjhbZFS_CFLAGS+= ${CDDL_CFLAGS} 138239957SjhbZFS_ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${ZFS_CFLAGS} 139239955SjhbZFS_C= ${CC} -c ${ZFS_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 140233578SpeterZFS_S= ${CC} -c ${ZFS_ASM_CFLAGS} ${WERROR} ${.IMPSRC} 141233578Speter 142233578Speter# Special flags for managing the compat compiles for DTrace 143233578SpeterDTRACE_CFLAGS= -DBUILDING_DTRACE ${CDDL_CFLAGS} -I$S/cddl/dev/dtrace -I$S/cddl/dev/dtrace/${MACHINE_CPUARCH} 144233578Speter.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386" 145233578SpeterDTRACE_CFLAGS+= -I$S/cddl/contrib/opensolaris/uts/intel -I$S/cddl/dev/dtrace/x86 146228158Sfjoe.endif 147228140SfjoeDTRACE_CFLAGS+= -I$S/cddl/contrib/opensolaris/common/util -I$S -DDIS_MEM -DSMP 148228158SfjoeDTRACE_ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${DTRACE_CFLAGS} 149228158SfjoeDTRACE_C= ${CC} -c ${DTRACE_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 150228124SfjoeDTRACE_S= ${CC} -c ${DTRACE_ASM_CFLAGS} ${WERROR} ${.IMPSRC} 151228158Sfjoe 152228124Sfjoe# Special flags for managing the compat compiles for DTrace/FBT 153179226SjbFBT_CFLAGS= -DBUILDING_DTRACE -nostdinc -I$S/cddl/dev/fbt/${MACHINE_CPUARCH} -I$S/cddl/dev/fbt -I$S/cddl/compat/opensolaris -I$S/cddl/contrib/opensolaris/uts/common -I$S ${CDDL_CFLAGS} 154116341Smarkm.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386" 155116341SmarkmFBT_CFLAGS+= -I$S/cddl/dev/fbt/x86 156219819Sjeff.endif 157219819SjeffFBT_C= ${CC} -c ${FBT_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 158219819Sjeff 159219819Sjeff.if ${MK_CTF} != "no" 160219819SjeffNORMAL_CTFCONVERT= ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} 161219819Sjeff.elif ${MAKE_VERSION} >= 5201111300 162219819SjeffNORMAL_CTFCONVERT= 163219819Sjeff.else 164131210SimpNORMAL_CTFCONVERT= @: 165144293Sphk.endif 16685909Simp 167111684SruNORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} 168111684Sru 169111684Sru# Linux Kernel Programming Interface C-flags 170239957SjhbLINUXKPI_INCLUDES= -I$S/compat/linuxkpi/common/include 17189180SmsmithLINUXKPI_C= ${NORMAL_C} ${LINUXKPI_INCLUDES} 17285909Simp 17385909Simp# Infiniband C flags. Correct include paths and omit errors that linux 174123966Sbde# does not honor. 175175888SimpOFEDINCLUDES= -I$S/ofed/include ${LINUXKPI_INCLUDES} 17685909SimpOFEDNOERR= -Wno-cast-qual -Wno-pointer-arith 17788893SimpOFEDCFLAGS= ${CFLAGS:N-I*} ${OFEDINCLUDES} ${CFLAGS:M-I*} ${OFEDNOERR} 17888893SimpOFED_C_NOIMP= ${CC} -c -o ${.TARGET} ${OFEDCFLAGS} ${WERROR} ${PROF} 17988893SimpOFED_C= ${OFED_C_NOIMP} ${.IMPSRC} 180221265Sbz 181210151SimpGEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/} 18290789SphkSYSTEM_CFILES= config.c env.c hints.c vnode_if.c 18390789SphkSYSTEM_DEP= Makefile ${SYSTEM_OBJS} 18490789SphkSYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS} 18588893SimpSYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o} 18688893SimpSYSTEM_OBJS+= hack.pico 18788893Simp 188216746ScpercivaMD_ROOT_SIZE_CONFIGURED!= grep MD_ROOT_SIZE opt_md.h || true ; echo 189216746Scperciva.if ${MFS_IMAGE:Uno} != "no" 190216746Scperciva.if empty(MD_ROOT_SIZE_CONFIGURED) 19188893SimpSYSTEM_OBJS+= embedfs_${MFS_IMAGE:T:R}.o 192125772Sru.endif 19388893Simp.endif 194240402SobrienSYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} ${_LDFLAGS} --no-warn-mismatch \ 195240402Sobrien --warn-common --export-dynamic --dynamic-linker /red/herring \ 196240402Sobrien -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o 197240402SobrienSYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \ 198240402Sobrien ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET} 199SYSTEM_DEP+= ${LDSCRIPT} 200 201# Calculate path for .m files early, if needed. 202.if !defined(NO_MODULES) && !defined(__MPATH) 203__MPATH!=find ${S:tA}/ -name \*_if.m 204.endif 205 206# MKMODULESENV is set here so that port makefiles can augment 207# them. 208 209MKMODULESENV+= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR} 210MKMODULESENV+= MACHINE_CPUARCH=${MACHINE_CPUARCH} 211MKMODULESENV+= MACHINE=${MACHINE} MACHINE_ARCH=${MACHINE_ARCH} 212MKMODULESENV+= MODULES_EXTRA="${MODULES_EXTRA}" WITHOUT_MODULES="${WITHOUT_MODULES}" 213MKMODULESENV+= ARCH_FLAGS="${ARCH_FLAGS}" 214.if (${KERN_IDENT} == LINT) 215MKMODULESENV+= ALL_MODULES=LINT 216.endif 217.if defined(MODULES_OVERRIDE) 218MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}" 219.endif 220.if defined(DEBUG) 221MKMODULESENV+= DEBUG_FLAGS="${DEBUG}" 222.endif 223.if !defined(NO_MODULES) 224MKMODULESENV+= __MPATH="${__MPATH}" 225.endif 226 227# Architecture and output format arguments for objdump to convert image to 228# object file 229 230.if ${MFS_IMAGE:Uno} != "no" 231.if empty(MD_ROOT_SIZE_CONFIGURED) 232.if !defined(EMBEDFS_FORMAT.${MACHINE_ARCH}) 233EMBEDFS_FORMAT.${MACHINE_ARCH}!= awk -F'"' '/OUTPUT_FORMAT/ {print $$2}' ${LDSCRIPT} 234.if empty(EMBEDFS_FORMAT.${MACHINE_ARCH}) 235.undef EMBEDFS_FORMAT.${MACHINE_ARCH} 236.endif 237.endif 238 239.if !defined(EMBEDFS_ARCH.${MACHINE_ARCH}) 240EMBEDFS_ARCH.${MACHINE_ARCH}!= sed -n '/OUTPUT_ARCH/s/.*(\(.*\)).*/\1/p' ${LDSCRIPT} 241.if empty(EMBEDFS_ARCH.${MACHINE_ARCH}) 242.undef EMBEDFS_ARCH.${MACHINE_ARCH} 243.endif 244.endif 245 246EMBEDFS_FORMAT.arm?= elf32-littlearm 247EMBEDFS_FORMAT.armv6?= elf32-littlearm 248EMBEDFS_FORMAT.aarch64?= elf64-littleaarch64 249EMBEDFS_FORMAT.mips?= elf32-tradbigmips 250EMBEDFS_FORMAT.mipsel?= elf32-tradlittlemips 251EMBEDFS_FORMAT.mips64?= elf64-tradbigmips 252EMBEDFS_FORMAT.mips64el?= elf64-tradlittlemips 253EMBEDFS_FORMAT.riscv?= elf64-littleriscv 254.endif 255.endif 256 257# Detect kernel config options that force stack frames to be turned on. 258DDB_ENABLED!= grep DDB opt_ddb.h || true ; echo 259DTR_ENABLED!= grep KDTRACE_FRAME opt_kdtrace.h || true ; echo 260HWPMC_ENABLED!= grep HWPMC opt_hwpmc_hooks.h || true ; echo 261