185909Simp# $FreeBSD: stable/11/sys/conf/kern.pre.mk 360656 2020-05-05 11:14:28Z dim $ 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 6266349Simp# Allow user to configure things that only effect src tree builds. 7266349Simp# Note: This is duplicated from src.sys.mk to ensure that we include 8266349Simp# /etc/src.conf when building the kernel. Kernels can be built without 9266349Simp# the rest of /usr/src, but they still always process SRCCONF even though 10266349Simp# the normal mechanisms to prevent that (compiling out of tree) won't 11266349Simp# work. To ensure they do work, we have to duplicate thee few lines here. 12266349SimpSRCCONF?= /etc/src.conf 13266349Simp.if (exists(${SRCCONF}) || ${SRCCONF} != "/etc/src.conf") && !target(_srcconf_included_) 14266349Simp.include "${SRCCONF}" 15266349Simp_srcconf_included_: 16266349Simp.endif 17266349Simp 18266349Simp.include <bsd.own.mk> 19240468Sbrooks.include <bsd.compiler.mk> 20265785Simp.include "kern.opts.mk" 21160440Sobrien 22300795Sbdrewery# The kernel build always occurs in the object directory which is .CURDIR. 23300795Sbdrewery.if ${.MAKE.MODE:Unormal:Mmeta} 24300795Sbdrewery.MAKE.MODE+= curdirOk=yes 25300795Sbdrewery.endif 26300795Sbdrewery 27330420Sbdrewery# The kernel build always expects .OBJDIR=.CURDIR. 28330420Sbdrewery.OBJDIR: ${.CURDIR} 29330420Sbdrewery 3085909Simp# Can be overridden by makeoptions or /etc/make.conf 3185909SimpKERNEL_KO?= kernel 3285909SimpKERNEL?= kernel 3385909SimpKODIR?= /boot/${KERNEL} 34175888SimpLDSCRIPT_NAME?= ldscript.$M 35175888SimpLDSCRIPT?= $S/conf/${LDSCRIPT_NAME} 3685909Simp 37281627SemasteM= ${MACHINE} 3885909Simp 3991512SobrienAWK?= awk 40240451SnpCP?= cp 41116341SmarkmLINT?= lint 4285909SimpNM?= nm 4385909SimpOBJCOPY?= objcopy 4485909SimpSIZE?= size 4585909Simp 46220863Sdim.if defined(DEBUG) 47140606Sobrien_MINUS_O= -O 48187103SgnnCTFFLAGS+= -g 49220863Sdim.else 50224882Snwhitehorn.if ${MACHINE_CPUARCH} == "powerpc" 51224882Snwhitehorn_MINUS_O= -O # gcc miscompiles some code at -O2 52224882Snwhitehorn.else 53140606Sobrien_MINUS_O= -O2 54220863Sdim.endif 55224882Snwhitehorn.endif 56220863Sdim.if ${MACHINE_CPUARCH} == "amd64" 57265832Simp.if ${COMPILER_TYPE} == "clang" 58265832SimpCOPTFLAGS?=-O2 -pipe 59265832Simp.else 60127204SobrienCOPTFLAGS?=-O2 -frename-registers -pipe 61228868Sdim.endif 62228868Sdim.else 63140606SobrienCOPTFLAGS?=${_MINUS_O} -pipe 64220863Sdim.endif 65220863Sdim.if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing) 66124834SruCOPTFLAGS+= -fno-strict-aliasing 67124834Sru.endif 6885909Simp.if !defined(NO_CPU_COPTFLAGS) 6985909SimpCOPTFLAGS+= ${_CPUCFLAGS} 7085909Simp.endif 71126890StrhodesNOSTDINC= -nostdinc 7285909Simp 73192901SthompsaINCLUDES= ${NOSTDINC} ${INCLMAGIC} -I. -I$S 74126890Strhodes 75282207SimpCFLAGS= ${COPTFLAGS} ${DEBUG} 76150966SglebiusCFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h 77257735SimpCFLAGS_PARAM_INLINE_UNIT_GROWTH?=100 78257735SimpCFLAGS_PARAM_LARGE_FUNCTION_GROWTH?=1000 79257735Simp.if ${MACHINE_CPUARCH} == "mips" 80257735SimpCFLAGS_ARCH_PARAMS?=--param max-inline-insns-single=1000 81257735Simp.endif 82278913SglebiusCFLAGS.gcc+= -fno-common -fms-extensions -finline-limit=${INLINE_LIMIT} 83265832SimpCFLAGS.gcc+= --param inline-unit-growth=${CFLAGS_PARAM_INLINE_UNIT_GROWTH} 84265832SimpCFLAGS.gcc+= --param large-function-growth=${CFLAGS_PARAM_LARGE_FUNCTION_GROWTH} 85257735Simp.if defined(CFLAGS_ARCH_PARAMS) 86265832SimpCFLAGS.gcc+=${CFLAGS_ARCH_PARAMS} 87210311Sjmallett.endif 88352023Simp.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} < 50000 89352023SimpWERROR?= -Wno-error 90352023Simp.else 91352023SimpWERROR?= -Werror 92352023Simp.endif 9385909Simp 9485909Simp# XXX LOCORE means "don't declare C stuff" not "for locore.s". 95276770SimpASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS} ${ASM_CFLAGS.${.IMPSRC:T}} 9685909Simp 9799923Sbde.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1 98242715SdimCFLAGS+= -DGPROF 99265832SimpCFLAGS.gcc+= -falign-functions=16 10099932Sbde.if ${PROFLEVEL} >= 2 10199932SbdeCFLAGS+= -DGPROF4 -DGUPROF 102242717SdimPROF= -pg 103265832Simp.if ${COMPILER_TYPE} == "gcc" 104242717SdimPROF+= -mprofiler-epilogue 105242717Sdim.endif 10699932Sbde.else 107242717SdimPROF= -pg 10899923Sbde.endif 10999932Sbde.endif 11085909SimpDEFINED_PROF= ${PROF} 11191002Speter 11285909Simp# Put configuration-specific C flags last (except for ${PROF}) so that they 11385909Simp# can override the others. 11485909SimpCFLAGS+= ${CONF_CFLAGS} 11585909Simp 116331752Semaste.if defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mbuild-id} 117331730SemasteLDFLAGS+= -Wl,--build-id=sha1 118331730Semaste.endif 119331730Semaste 120116341Smarkm# Optional linting. This can be overridden in /etc/make.conf. 121116341SmarkmLINTFLAGS= ${LINTOBJKERNFLAGS} 122116341Smarkm 12391002SpeterNORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 124290526SbdreweryNORMAL_S= ${CC:N${CCACHE_BIN}} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC} 12591002SpeterPROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC} 126105489SmuxNORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 12785909Simp 128105462SmuxNORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \ 129105462Smux ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c 13085909Simp 131239956SjhbNORMAL_FW= uudecode -o ${.TARGET} ${.ALLSRC} 132239957SjhbNORMAL_FWO= ${LD} -b binary --no-warn-mismatch -d -warn-common -r \ 133316469Semaste -m ${LD_EMULATION} -o ${.TARGET} ${.ALLSRC:M*.fw} 134239955Sjhb 135284227Sbr# Common for dtrace / zfs 136284227SbrCDDL_CFLAGS= -DFREEBSD_NAMECACHE -nostdinc -I$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 137284227SbrCDDL_CFLAGS+= -include $S/cddl/compat/opensolaris/sys/debug_compat.h 138284227SbrCDDL_C= ${CC} -c ${CDDL_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 139284227Sbr 140233578Speter# Special flags for managing the compat compiles for ZFS 141325534SavgZFS_CFLAGS= -DBUILDING_ZFS -I$S/cddl/contrib/opensolaris/uts/common/fs/zfs 142325534SavgZFS_CFLAGS+= -I$S/cddl/contrib/opensolaris/uts/common/fs/zfs/lua 143325534SavgZFS_CFLAGS+= -I$S/cddl/contrib/opensolaris/uts/common/zmod 144325534SavgZFS_CFLAGS+= -I$S/cddl/contrib/opensolaris/common/zfs 145325534SavgZFS_CFLAGS+= ${CDDL_CFLAGS} 146233578SpeterZFS_ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${ZFS_CFLAGS} 147233578SpeterZFS_C= ${CC} -c ${ZFS_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 148233578SpeterZFS_S= ${CC} -c ${ZFS_ASM_CFLAGS} ${WERROR} ${.IMPSRC} 149233578Speter 150284227Sbr# Special flags for managing the compat compiles for DTrace 151284227SbrDTRACE_CFLAGS= -DBUILDING_DTRACE ${CDDL_CFLAGS} -I$S/cddl/dev/dtrace -I$S/cddl/dev/dtrace/${MACHINE_CPUARCH} 152284227Sbr.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386" 153284227SbrDTRACE_CFLAGS+= -I$S/cddl/contrib/opensolaris/uts/intel -I$S/cddl/dev/dtrace/x86 154284227Sbr.endif 155284227SbrDTRACE_CFLAGS+= -I$S/cddl/contrib/opensolaris/common/util -I$S -DDIS_MEM -DSMP 156284227SbrDTRACE_ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${DTRACE_CFLAGS} 157290954SimpDTRACE_C= ${CC} -c ${DTRACE_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 158290954SimpDTRACE_S= ${CC} -c ${DTRACE_ASM_CFLAGS} ${WERROR} ${.IMPSRC} 159284227Sbr 160284227Sbr# Special flags for managing the compat compiles for DTrace/FBT 161284227SbrFBT_CFLAGS= -DBUILDING_DTRACE -nostdinc -I$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} 162284227Sbr.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386" 163284227SbrFBT_CFLAGS+= -I$S/cddl/dev/fbt/x86 164284227Sbr.endif 165290954SimpFBT_C= ${CC} -c ${FBT_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC} 166284227Sbr 167228158Sfjoe.if ${MK_CTF} != "no" 168228140SfjoeNORMAL_CTFCONVERT= ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} 169228158Sfjoe.elif ${MAKE_VERSION} >= 5201111300 170228158SfjoeNORMAL_CTFCONVERT= 171228124Sfjoe.else 172228158SfjoeNORMAL_CTFCONVERT= @: 173228124Sfjoe.endif 174179226Sjb 175116341SmarkmNORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} 176116341Smarkm 177290135Shselasky# Linux Kernel Programming Interface C-flags 178290135ShselaskyLINUXKPI_INCLUDES= -I$S/compat/linuxkpi/common/include 179290135ShselaskyLINUXKPI_C= ${NORMAL_C} ${LINUXKPI_INCLUDES} 180290135Shselasky 181219819Sjeff# Infiniband C flags. Correct include paths and omit errors that linux 182219819Sjeff# does not honor. 183331769ShselaskyOFEDINCLUDES= -I$S/ofed/include -I$S/ofed/include/uapi ${LINUXKPI_INCLUDES} 184278913SglebiusOFEDNOERR= -Wno-cast-qual -Wno-pointer-arith 185331769ShselaskyOFEDCFLAGS= ${CFLAGS:N-I*} -DCONFIG_INFINIBAND_USER_MEM \ 186331769Shselasky ${OFEDINCLUDES} ${CFLAGS:M-I*} ${OFEDNOERR} 187219819SjeffOFED_C_NOIMP= ${CC} -c -o ${.TARGET} ${OFEDCFLAGS} ${WERROR} ${PROF} 188219819SjeffOFED_C= ${OFED_C_NOIMP} ${.IMPSRC} 189219819Sjeff 190347838Shselasky# mlxfw C flags. 191347838ShselaskyMLXFW_C= ${OFED_C_NOIMP} \ 192347838Shselasky -I$S/contrib/xz-embedded/freebsd \ 193347838Shselasky -I$S/contrib/xz-embedded/linux/lib/xz \ 194347838Shselasky ${.IMPSRC} 195347838Shselasky 196131210SimpGEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/} 197144293SphkSYSTEM_CFILES= config.c env.c hints.c vnode_if.c 19885909SimpSYSTEM_DEP= Makefile ${SYSTEM_OBJS} 199111684SruSYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS} 200111684SruSYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o} 201309843SmarcelSYSTEM_OBJS+= hack.pico 202295137Sadrian 203295137SadrianMD_ROOT_SIZE_CONFIGURED!= grep MD_ROOT_SIZE opt_md.h || true ; echo 204286727Smarcel.if ${MFS_IMAGE:Uno} != "no" 205295137Sadrian.if empty(MD_ROOT_SIZE_CONFIGURED) 206286727SmarcelSYSTEM_OBJS+= embedfs_${MFS_IMAGE:T:R}.o 207286727Smarcel.endif 208295137Sadrian.endif 209360656SdimSYSTEM_LD= @${LD} -m ${LD_EMULATION} -Bdynamic -T ${LDSCRIPT} ${_LDFLAGS} \ 210360656Sdim --no-warn-mismatch --warn-common --export-dynamic \ 211360656Sdim --dynamic-linker /red/herring \ 21285909Simp -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o 21385909SimpSYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \ 214123966Sbde ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET} 215175888SimpSYSTEM_DEP+= ${LDSCRIPT} 21685909Simp 217285124Simp# Calculate path for .m files early, if needed. 218303314Sbdrewery.if !defined(NO_MODULES) && !defined(__MPATH) 219285124Simp__MPATH!=find ${S:tA}/ -name \*_if.m 220285124Simp.endif 221285124Simp 22288893Simp# MKMODULESENV is set here so that port makefiles can augment 22388893Simp# them. 22488893Simp 225221265SbzMKMODULESENV+= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR} 226210151SimpMKMODULESENV+= MACHINE_CPUARCH=${MACHINE_CPUARCH} 227261460SimpMKMODULESENV+= MACHINE=${MACHINE} MACHINE_ARCH=${MACHINE_ARCH} 228278519SimpMKMODULESENV+= MODULES_EXTRA="${MODULES_EXTRA}" WITHOUT_MODULES="${WITHOUT_MODULES}" 229324642SbrooksMKMODULESENV+= ARCH_FLAGS="${ARCH_FLAGS}" 23090789Sphk.if (${KERN_IDENT} == LINT) 23190789SphkMKMODULESENV+= ALL_MODULES=LINT 23290789Sphk.endif 23388893Simp.if defined(MODULES_OVERRIDE) 23488893SimpMKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}" 23588893Simp.endif 23688893Simp.if defined(DEBUG) 237125772SruMKMODULESENV+= DEBUG_FLAGS="${DEBUG}" 23888893Simp.endif 239303314Sbdrewery.if !defined(NO_MODULES) 240291614SjhbMKMODULESENV+= __MPATH="${__MPATH}" 241303314Sbdrewery.endif 242240402Sobrien 243335519Semaste# Architecture and output format arguments for objcopy to convert image to 244286727Smarcel# object file 245295137Sadrian 246286727Smarcel.if ${MFS_IMAGE:Uno} != "no" 247295137Sadrian.if empty(MD_ROOT_SIZE_CONFIGURED) 248286727Smarcel.if !defined(EMBEDFS_FORMAT.${MACHINE_ARCH}) 249286727SmarcelEMBEDFS_FORMAT.${MACHINE_ARCH}!= awk -F'"' '/OUTPUT_FORMAT/ {print $$2}' ${LDSCRIPT} 250286727Smarcel.if empty(EMBEDFS_FORMAT.${MACHINE_ARCH}) 251286727Smarcel.undef EMBEDFS_FORMAT.${MACHINE_ARCH} 252286727Smarcel.endif 253286727Smarcel.endif 254286727Smarcel 255286727Smarcel.if !defined(EMBEDFS_ARCH.${MACHINE_ARCH}) 256286727SmarcelEMBEDFS_ARCH.${MACHINE_ARCH}!= sed -n '/OUTPUT_ARCH/s/.*(\(.*\)).*/\1/p' ${LDSCRIPT} 257286727Smarcel.if empty(EMBEDFS_ARCH.${MACHINE_ARCH}) 258286727Smarcel.undef EMBEDFS_ARCH.${MACHINE_ARCH} 259286727Smarcel.endif 260286727Smarcel.endif 261286727Smarcel 262286727SmarcelEMBEDFS_FORMAT.arm?= elf32-littlearm 263286727SmarcelEMBEDFS_FORMAT.armv6?= elf32-littlearm 264321599SemasteEMBEDFS_FORMAT.aarch64?= elf64-littleaarch64 265286727SmarcelEMBEDFS_FORMAT.mips?= elf32-tradbigmips 266286727SmarcelEMBEDFS_FORMAT.mipsel?= elf32-tradlittlemips 267286727SmarcelEMBEDFS_FORMAT.mips64?= elf64-tradbigmips 268286727SmarcelEMBEDFS_FORMAT.mips64el?= elf64-tradlittlemips 269354109SjhbEMBEDFS_FORMAT.riscv64?= elf64-littleriscv 270286727Smarcel.endif 271295137Sadrian.endif 272286727Smarcel 273258753Sandreast# Detect kernel config options that force stack frames to be turned on. 274240402SobrienDDB_ENABLED!= grep DDB opt_ddb.h || true ; echo 275240402SobrienDTR_ENABLED!= grep KDTRACE_FRAME opt_kdtrace.h || true ; echo 276240402SobrienHWPMC_ENABLED!= grep HWPMC opt_hwpmc_hooks.h || true ; echo 277