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$S/dev/netif/ath/hal -I$S/dev/netif/ath/hal/ath_hal 54 55COPTS= ${INCLUDES} ${IDENT} -D_KERNEL -include opt_global.h 56CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS} 57 58# XXX LOCORE means "don't declare C stuff" not "for locore.s". 59ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS} 60 61DEFINED_PROF= ${PROF} 62.if defined(PROF) 63CFLAGS+= -falign-functions=16 64.if ${PROFLEVEL} >= 2 65IDENT+= -DGPROF4 -DGUPROF 66PROF+= -mprofiler-epilogue 67.endif 68.endif 69 70# Put configuration-specific C flags last (except for ${PROF}) so that they 71# can override the others. 72CFLAGS+= ${CONF_CFLAGS} 73 74NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 75NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC} 76NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${.IMPSRC} 77PROFILE_C= ${CC} -c ${CFLAGS} ${.IMPSRC} 78 79NORMAL_M= awk -f $S/tools/makeobjops.awk -- -c $<; \ 80 ${CC} -c ${CFLAGS} ${PROF} ${.PREFIX}.c 81 82.if !defined(NO_WERROR) && (${CCVER} == "gcc41" || ${CCVER} == "gcc44") 83WERROR=-Werror 84.endif 85 86GEN_CFILES= $S/platform/$P/$M/genassym.c 87SYSTEM_CFILES= ioconf.c config.c 88SYSTEM_SFILES= $S/platform/$P/$M/locore.s 89SYSTEM_DEP= Makefile ${SYSTEM_OBJS} 90SYSTEM_OBJS= locore.o ${OBJS} ioconf.o config.o hack.So 91SYSTEM_LD= @${LD} -Bdynamic -T $S/platform/$P/conf/ldscript.$M \ 92 -export-dynamic -dynamic-linker /red/herring \ 93 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o 94 95# The max-page-size for gnu ld is 0x200000 on x86_64 96# For the gold linker, it is only 0x1000 on both x86_64 and i386 97# The penalty for changing the gold default for x86_64 is larger binaries 98# and shared libraries, and forcing them to use more address space than 99# required. The only application that needs such a large page size is the 100# kernel itself, so leave the gold default alone and treat the kernel 101# page size as an exception. 102# 103.if ${P} == "pc64" || ${P} == "vkernel64" 104SYSTEM_LD+= -z max-page-size=0x200000 105.elif ${P} == "pc32" || ${P} == "vkernel" 106SYSTEM_LD+= -z max-page-size=0x1000 107.endif 108 109SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \ 110 ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET} 111SYSTEM_DEP+= $S/platform/$P/conf/ldscript.$M 112 113# Normalize output files to make it absolutely crystal clear to 114# anyone examining the build directory. 115# 116.if defined(DEBUG) 117FULLKERNEL= ${KERNEL}.debug 118.if defined(INSTALLSTRIPPED) 119SELECTEDKERNEL= ${KERNEL}.stripped 120.else 121SELECTEDKERNEL= ${KERNEL}.debug 122.endif 123.else 124FULLKERNEL= ${KERNEL}.nodebug 125SELECTEDKERNEL= ${KERNEL}.stripped 126.endif 127 128 129MKMODULESENV= MAKEOBJDIRPREFIX=${.OBJDIR} BUILDING_WITH_KERNEL=${.OBJDIR} 130.if defined(MODULES_OVERRIDE) 131MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}" 132.endif 133.if defined(DEBUG) 134MKMODULESENV+= DEBUG="${DEBUG}" DEBUG_FLAGS="${DEBUG}" 135.endif 136.if defined(INSTALLSTRIPPED) || defined(INSTALLSTRIPPEDMODULES) 137MKMODULESENV+= INSTALLSTRIPPEDMODULES=1 138.endif 139MKMODULESENV+= MACHINE_ARCH=${MACHINE_ARCH} MACHINE=${MACHINE} MACHINE_PLATFORM=${MACHINE_PLATFORM} 140 141