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# $OpenBSD: Makefile.amd64,v 1.117 2019/11/07 20:42:28 guenther Exp $
# For instructions on building kernels consult the config(8) and options(4)
# manual pages.
#
# N.B.: NO DEPENDENCIES ON FOLLOWING FLAGS ARE VISIBLE TO MAKEFILE
# IF YOU CHANGE THE DEFINITION OF ANY OF THESE RECOMPILE EVERYTHING
# DEBUG is set to -g by config if debugging is requested (config -g).
# PROF is set to -pg by config if profiling is requested (config -p).
.include <bsd.own.mk>
SIZE?= size
STRIP?= ctfstrip
# source tree is located via $S relative to the compilation directory
.ifndef S
S!= cd ../../../..; pwd
.endif
_machdir?= $S/arch/${_mach}
_archdir?= $S/arch/${_arch}
INCLUDES= -nostdinc -I$S -I${.OBJDIR} -I$S/arch \
-I$S/dev/pci/drm/include \
-I$S/dev/pci/drm/include/uapi \
-I$S/dev/pci/drm/amd/include/asic_reg \
-I$S/dev/pci/drm/amd/include \
-I$S/dev/pci/drm/amd/amdgpu \
-I$S/dev/pci/drm/amd/display \
-I$S/dev/pci/drm/amd/display/include \
-I$S/dev/pci/drm/amd/display/dc \
-I$S/dev/pci/drm/amd/display/amdgpu_dm \
-I$S/dev/pci/drm/amd/powerplay/inc \
-I$S/dev/pci/drm/amd/powerplay/smumgr \
-I$S/dev/pci/drm/amd/powerplay/hwmgr \
-I$S/dev/pci/drm/amd/display/dc/inc \
-I$S/dev/pci/drm/amd/display/dc/inc/hw \
-I$S/dev/pci/drm/amd/display/modules/inc
CPPFLAGS= ${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL -MD -MP
CWARNFLAGS= -Werror -Wall -Wimplicit-function-declaration \
-Wno-uninitialized -Wno-pointer-sign \
-Wframe-larger-than=2047
CMACHFLAGS= -mcmodel=kernel -mno-red-zone -mno-sse2 -mno-sse -mno-3dnow \
-mno-mmx -msoft-float -fno-omit-frame-pointer
CMACHFLAGS+= -ffreestanding ${NOPIE_FLAGS}
SORTR= sort -R
.if ${IDENT:M-DNO_PROPOLICE}
CMACHFLAGS+= -fno-stack-protector
.endif
.if ${IDENT:M-DDDB}
CMACHFLAGS+= -msave-args
.endif
.if ${IDENT:M-DSMALL_KERNEL}
SORTR= cat
COPTS?= -Oz
.if ${COMPILER_VERSION:Mclang}
CMACHFLAGS+= -mno-retpoline
.endif
.endif
.if ${COMPILER_VERSION:Mclang}
NO_INTEGR_AS= -no-integrated-as
CWARNFLAGS+= -Wno-address-of-packed-member -Wno-constant-conversion
.endif
DEBUG?= -g
COPTS?= -O2
CFLAGS= ${DEBUG} ${CWARNFLAGS} ${CMACHFLAGS} ${COPTS} ${PIPE}
AFLAGS= -D_LOCORE -x assembler-with-cpp ${CWARNFLAGS} ${CMACHFLAGS}
LINKFLAGS= -T ld.script -X --warn-common -nopie
HOSTCC?= ${CC}
HOSTED_CPPFLAGS=${CPPFLAGS:S/^-nostdinc$//}
HOSTED_CFLAGS= ${CFLAGS}
HOSTED_C= ${HOSTCC} ${HOSTED_CFLAGS} ${HOSTED_CPPFLAGS} -c $<
NORMAL_C_NOP= ${CC} ${CFLAGS} ${CPPFLAGS} -fno-ret-protector -c $<
NORMAL_C= ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<
NORMAL_S= ${CC} ${AFLAGS} ${CPPFLAGS} ${PROF} -c $<
%OBJS
%CFILES
%SFILES
# load lines for config "xxx" will be emitted as:
# xxx: ${SYSTEM_DEP} swapxxx.o
# ${SYSTEM_LD_HEAD}
# ${SYSTEM_LD} swapxxx.o
# ${SYSTEM_LD_TAIL}
SYSTEM_HEAD= locore0.o gap.o
SYSTEM_OBJ= ${SYSTEM_HEAD} ${OBJS} param.o ioconf.o
SYSTEM_DEP= Makefile ${SYSTEM_OBJ} ld.script
SYSTEM_LD_HEAD= @rm -f $@
SYSTEM_LD= @echo ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_HEAD} vers.o $${OBJS}'; \
umask 007; \
echo ${OBJS} param.o ioconf.o vers.o | tr " " "\n" | ${SORTR} > lorder; \
${LD} ${LINKFLAGS} -o $@ ${SYSTEM_HEAD} `cat lorder`
SYSTEM_LD_TAIL= @${SIZE} $@
.if ${DEBUG} == "-g"
STRIPFLAGS= -S
SYSTEM_LD_TAIL+=; umask 007; \
echo mv $@ $@.gdb; rm -f $@.gdb; mv $@ $@.gdb; \
echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \
${STRIP} ${STRIPFLAGS} -o $@ $@.gdb
.else
LINKFLAGS+= -S
.endif
.if ${SYSTEM_OBJ:Mkcov.o} && ${COMPILER_VERSION:Mclang}
PROF= -fsanitize-coverage=trace-pc,trace-cmp
.endif
.if ${IDENT:M-DKUBSAN} && ${COMPILER_VERSION:Mclang}
CFLAGS+= -fsanitize=undefined
CFLAGS+= -fno-wrapv
.endif
%LOAD
# cc's -MD puts the source and output paths in the dependency file;
# since those are temp files here we need to fix it up. It also
# puts the file in /tmp, so we use -MF to put it in the current
# directory as assym.P and then generate assym.d from it with a
# good target name
assym.h: $S/kern/genassym.sh Makefile \
${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf
cat ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf | \
sh $S/kern/genassym.sh ${CC} ${NO_INTEGR_AS} ${CFLAGS} ${CPPFLAGS} -MF assym.P > assym.h.tmp
sed '1s/.*/assym.h: \\/' assym.P > assym.d
sort -u assym.h.tmp > assym.h
param.c: $S/conf/param.c
rm -f param.c
cp $S/conf/param.c .
param.o: param.c Makefile
${NORMAL_C}
mcount.o: $S/lib/libkern/mcount.c Makefile
${NORMAL_C_NOP}
ioconf.o: ioconf.c
${NORMAL_C}
locore.o: assym.h
${NORMAL_S}
@[[ -n `objdump -D $@ | grep -A1 doreti_iret | sort | uniq -d` ]] || \
{ rm -f $@; echo "ERROR: overlaid iretq instructions don't line up"; \
echo "#GP-on-iretq fault handling would be broken"; exit 1; }
ld.script: ${_machdir}/conf/ld.script
cp ${_machdir}/conf/ld.script $@
gapdummy.o:
echo '__asm(".section .rodata,\"a\"");' > gapdummy.c
${CC} -c ${CFLAGS} ${CPPFLAGS} gapdummy.c -o $@
makegap.sh:
cp $S/conf/makegap.sh $@
MAKE_GAP = LD="${LD}" sh makegap.sh 0xcccccccc gapdummy.o
gap.o: Makefile makegap.sh gapdummy.o vers.o
${MAKE_GAP}
vers.o: ${SYSTEM_DEP:Ngap.o}
sh $S/conf/newvers.sh
${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c
.if ${SYSTEM_OBJ:Mkcov.o} && ${COMPILER_VERSION:Mclang}
kcov.o: $S/dev/kcov.c
${NORMAL_C} -fno-sanitize-coverage=trace-pc,trace-cmp
.endif
HARDFLOAT_CFLAGS= -msse -msse2
dcn_calcs.o: $S/dev/pci/drm/amd/display/dc/calcs/dcn_calcs.c
${NORMAL_C} ${HARDFLOAT_CFLAGS}
dcn_calc_auto.o: $S/dev/pci/drm/amd/display/dc/calcs/dcn_calc_auto.c
${NORMAL_C} ${HARDFLOAT_CFLAGS}
dcn_calc_math.o: $S/dev/pci/drm/amd/display/dc/calcs/dcn_calc_math.c
${NORMAL_C} ${HARDFLOAT_CFLAGS}
dml1_display_rq_dlg_calc.o: $S/dev/pci/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c
${NORMAL_C} ${HARDFLOAT_CFLAGS}
dml_common_defs.o: $S/dev/pci/drm/amd/display/dc/dml/dml_common_defs.c
${NORMAL_C} ${HARDFLOAT_CFLAGS}
clean:
rm -f *bsd *bsd.gdb *.[dio] [a-z]*.s assym.* \
gap.link gapdummy.c ld.script lorder makegap.sh param.c
cleandir: clean
rm -f Makefile *.h ioconf.c options machine ${_mach} vers.c
depend obj:
locore0.o: ${_machdir}/${_mach}/locore0.S assym.h
mutex.o vector.o copy.o spl.o mds.o: assym.h
mptramp.o acpi_wakecode.o vmm_support.o: assym.h
hardlink-obsd:
[[ ! -f /bsd ]] || cmp -s bsd /bsd || ln -f /bsd /obsd
newinstall:
install -F -m 700 bsd /bsd && sha256 -h /var/db/kernel.SHA256 /bsd
install: update-link hardlink-obsd newinstall
# pull in the dependency information
.ifnmake clean
. for o in ${SYSTEM_OBJ:Ngap.o} assym.h
. if exists(${o:R}.d)
. include "${o:R}.d"
. elif exists($o)
.PHONY: $o
. endif
. endfor
.endif
%RULES
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