2 # This Makefile covers the top part of the MI kernel build instructions
5 # Can be overridden by makeoptions or /etc/make.conf
8 # build this target if none is specified on the command line
11 # Set the platform and machine architectures
13 P= ${MACHINE_PLATFORM}
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)
25 COPTFLAGS+= ${_CPUCFLAGS}
27 # don't use -I- so we can use proper source-relative locality for local
30 # -I. - this is to access the opt_*.h and use_*.h header files generated
31 # in the kernel build directory.
34 # - this is used to access forwarding header files for
35 # <machine/*.h> that exist in the cpu architecture but do not
36 # exist in the platform (machine/) architecture. This allows
37 # the platform to trivially override the cpu header files.
39 INCLUDES= -nostdinc -I. -Iinclude -I$S
40 # This hack is to allow kernel compiles to succeed on machines w/out srcdist
41 .if exists($S/../include)
42 INCLUDES+= -I$S/../include
44 INCLUDES+= -I/usr/include
47 # This hack lets us use the Intel ACPICA code without spamming a new
48 # include path into 100+ source files.
49 .include "$S/conf/acpi.mk"
50 INCLUDES+= -I${.OBJDIR} -I"$S/${OSACPI_MI_DIR}" -I"$S/${ACPICA_DIR}/include"
52 # This hack lets us use the ipfilter code without spamming a new
53 # include path into 100+ source files.
54 INCLUDES+= -I$S/contrib/ipfilter
56 # ... and the same for Atheros HAL
57 INCLUDES+= -I$S/dev/netif/ath/hal -I$S/dev/netif/ath/hal/ath_hal
59 COPTS= ${INCLUDES} ${IDENT} -D_KERNEL -include opt_global.h
60 CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
62 # XXX LOCORE means "don't declare C stuff" not "for locore.s".
63 ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
67 CFLAGS+= -falign-functions=16
69 IDENT+= -DGPROF4 -DGUPROF
70 PROF+= -mprofiler-epilogue
74 # Put configuration-specific C flags last (except for ${PROF}) so that they
75 # can override the others.
76 CFLAGS+= ${CONF_CFLAGS}
78 NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
79 NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
80 NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${.IMPSRC}
81 PROFILE_C= ${CC} -c ${CFLAGS} ${.IMPSRC}
83 NORMAL_M= awk -f $S/tools/makeobjops.awk -- -c $<; \
84 ${CC} -c ${CFLAGS} ${PROF} ${.PREFIX}.c
86 .if !defined(NO_WERROR) && (${CCVER} == "gcc41" || ${CCVER} == "gcc44")
90 GEN_CFILES= $S/platform/$P/$M/genassym.c
91 SYSTEM_CFILES= ioconf.c config.c
92 SYSTEM_SFILES= $S/platform/$P/$M/locore.s
93 SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
94 SYSTEM_OBJS= locore.o ${OBJS} ioconf.o config.o hack.So
95 SYSTEM_LD= @${LD} -Bdynamic -T $S/platform/$P/conf/ldscript.$M \
96 -export-dynamic -dynamic-linker /red/herring \
97 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
99 # XXX swildner: Workaround to make kernels linked with binutils221 boot.
101 SYSTEM_LD+= -z max-page-size=1048576
103 SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
104 ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
105 SYSTEM_DEP+= $S/platform/$P/conf/ldscript.$M
107 # Normalize output files to make it absolutely crystal clear to
108 # anyone examining the build directory.
111 FULLKERNEL= ${KERNEL}.debug
112 .if defined(INSTALLSTRIPPED)
113 SELECTEDKERNEL= ${KERNEL}.stripped
115 SELECTEDKERNEL= ${KERNEL}.debug
118 FULLKERNEL= ${KERNEL}.nodebug
119 SELECTEDKERNEL= ${KERNEL}.stripped
123 MKMODULESENV= MAKEOBJDIRPREFIX=${.OBJDIR} BUILDING_WITH_KERNEL=${.OBJDIR}
124 .if defined(MODULES_OVERRIDE)
125 MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}"
128 MKMODULESENV+= DEBUG="${DEBUG}" DEBUG_FLAGS="${DEBUG}"
130 .if defined(INSTALLSTRIPPED) || defined(INSTALLSTRIPPEDMODULES)
131 MKMODULESENV+= INSTALLSTRIPPEDMODULES=1
133 MKMODULESENV+= MACHINE_ARCH=${MACHINE_ARCH} MACHINE=${MACHINE} MACHINE_PLATFORM=${MACHINE_PLATFORM}