1# 2# This Makefile covers the top part of the MI kernel build instructions 3# 4 5# Can be overridden by makeoptions or /etc/make.conf 6KERNEL?= kernel 7 8# build this target if none is specified on the command line 9.MAIN: all 10 11# Set the platform and machine architectures 12# 13P= ${MACHINE_PLATFORM} 14M= ${MACHINE_ARCH} 15 16SIZE?= size 17OBJCOPY?= objcopy 18 19COPTFLAGS?=-O -pipe 20#COPTFLAGS?=-O -fthread-jumps -fcse-follow-jumps -fcrossjumping -frerun-cse-after-loop -fno-guess-branch-probability --param min-crossjump-insns=1 -pipe 21#COPTFLAGS?=-O -fcrossjumping -pipe 22#COPTFLAGS?=-Os -fno-strict-aliasing -pipe 23#COPTFLAGS?=-O2 -fno-strict-aliasing -pipe 24.if !defined(NO_CPU_COPTFLAGS) 25COPTFLAGS+= ${_CPUCFLAGS} 26.endif 27# don't use -I- so we can use proper source-relative locality for local 28# includes. 29# 30# -I. - this is to access the opt_*.h and use_*.h header files generated 31# in the kernel build directory. 32# 33# -Iinclude 34# - this is used to access forwarding header files for 35# <machine/*.h> that exist in the cpu architecture but do not 36# exist in the platform (machine/) architecture. This allows 37# the platform to trivially override the cpu header files. 38# 39INCLUDES= -nostdinc -I. -Iinclude -I$S 40# This hack is to allow kernel compiles to succeed on machines w/out srcdist 41.if exists($S/../include) 42INCLUDES+= -I$S/../include 43.else 44INCLUDES+= -I/usr/include 45.endif 46 47# This hack lets us use the Intel ACPICA code without spamming a new 48# include path into 100+ source files. 49.include "$S/conf/acpi.mk" 50INCLUDES+= -I${.OBJDIR} -I"$S/${OSACPI_MI_DIR}" -I"$S/${ACPICA_DIR}/include" 51 52# ... and the same for Atheros HAL 53INCLUDES+= -I$S/dev/netif/ath/ath_hal -I$S/contrib/dev/ath/ath_hal 54 55# Same thing for drm includes 56INCLUDES+= -I$S/dev/drm/include 57 58COPTS= ${INCLUDES} ${IDENT} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h 59CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS} 60 61# XXX LOCORE means "don't declare C stuff" not "for locore.s". 62ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS} 63 64DEFINED_PROF= ${PROF} 65.if defined(PROF) 66CFLAGS+= -falign-functions=16 67.if ${PROFLEVEL} >= 2 68IDENT+= -DGPROF4 -DGUPROF 69PROF+= -mprofiler-epilogue 70.endif 71.endif 72 73# Put configuration-specific C flags last (except for ${PROF}) so that they 74# can override the others. 75CFLAGS+= ${CONF_CFLAGS} 76 77NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 78NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 79NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${.IMPSRC} 80PROFILE_C= ${CC} -c ${CFLAGS} ${.IMPSRC} 81 82NORMAL_M= awk -f $S/tools/makeobjops.awk -- -c $<; \ 83 ${CC} -c ${CFLAGS} ${PROF} ${.PREFIX}.c 84 85NORMAL_FW= uudecode -o ${.TARGET} ${.ALLSRC} 86NORMAL_FWO= ${LD} -b binary -d -warn-common -r -o ${.TARGET} ${.ALLSRC:M*.fw} 87 88.if !defined(NO_WERROR) && (${CCVER} == "gcc47" || ${CCVER} == "gcc50") 89WERROR=-Werror 90.endif 91 92GEN_CFILES= $S/platform/$P/$M/genassym.c 93SYSTEM_CFILES= ioconf.c config.c 94SYSTEM_SFILES= $S/platform/$P/$M/locore.s 95SYSTEM_DEP= Makefile ${SYSTEM_OBJS} 96SYSTEM_OBJS= locore.o ${OBJS} ioconf.o config.o hack.So 97SYSTEM_LD= @${LD} -Bdynamic -T $S/platform/$P/conf/ldscript.$M \ 98 -export-dynamic -dynamic-linker /red/herring \ 99 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o 100 101# The max-page-size for gnu ld is 0x200000 on x86_64 102# For the gold linker, it is only 0x1000 on both x86_64 and i386 103# The penalty for changing the gold default for x86_64 is larger binaries 104# and shared libraries, and forcing them to use more address space than 105# required. The only application that needs such a large page size is the 106# kernel itself, so leave the gold default alone and treat the kernel 107# page size as an exception. 108# 109.if ${P} == "pc64" || ${P} == "vkernel64" 110SYSTEM_LD+= -z max-page-size=0x200000 111.endif 112 113SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \ 114 ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET} 115SYSTEM_DEP+= $S/platform/$P/conf/ldscript.$M 116 117# Normalize output files to make it absolutely crystal clear to 118# anyone examining the build directory. 119# 120.if defined(DEBUG) 121FULLKERNEL= ${KERNEL}.debug 122.if defined(INSTALLSTRIPPED) 123SELECTEDKERNEL= ${KERNEL}.stripped 124.else 125SELECTEDKERNEL= ${KERNEL}.debug 126.endif 127.else 128FULLKERNEL= ${KERNEL}.nodebug 129SELECTEDKERNEL= ${KERNEL}.stripped 130.endif 131 132 133MKMODULESENV= MAKEOBJDIRPREFIX=${.OBJDIR} BUILDING_WITH_KERNEL=${.OBJDIR} 134.if defined(MODULES_OVERRIDE) 135MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}" 136.endif 137.if defined(DEBUG) 138MKMODULESENV+= DEBUG="${DEBUG}" DEBUG_FLAGS="${DEBUG}" 139.endif 140.if defined(INSTALLSTRIPPED) || defined(INSTALLSTRIPPEDMODULES) 141MKMODULESENV+= INSTALLSTRIPPEDMODULES=1 142.endif 143MKMODULESENV+= MACHINE_ARCH=${MACHINE_ARCH} MACHINE=${MACHINE} MACHINE_PLATFORM=${MACHINE_PLATFORM} 144 145