1# $OpenBSD: Makefile.arm64,v 1.49 2024/07/11 12:07:40 kettenis Exp $ 2 3# For instructions on building kernels consult the config(8) and options(4) 4# manual pages. 5# 6# N.B.: NO DEPENDENCIES ON FOLLOWING FLAGS ARE VISIBLE TO MAKEFILE 7# IF YOU CHANGE THE DEFINITION OF ANY OF THESE RECOMPILE EVERYTHING 8# DEBUG is set to -g by config if debugging is requested (config -g). 9# PROF is set to -pg by config if profiling is requested (config -p). 10 11.include <bsd.own.mk> 12 13SIZE?= size 14STRIP?= ctfstrip 15 16# source tree is located via $S relative to the compilation directory 17.ifndef S 18S!= cd ../../../..; pwd 19.endif 20 21_machdir?= $S/arch/${_mach} 22_archdir?= $S/arch/${_arch} 23 24INCLUDES= -nostdinc -I$S -I${.OBJDIR} -I$S/arch \ 25 -I$S/dev/pci/drm/include \ 26 -I$S/dev/pci/drm/include/uapi \ 27 -I$S/dev/pci/drm/amd/include/asic_reg \ 28 -I$S/dev/pci/drm/amd/include \ 29 -I$S/dev/pci/drm/amd/amdgpu \ 30 -I$S/dev/pci/drm/amd/display \ 31 -I$S/dev/pci/drm/amd/display/include \ 32 -I$S/dev/pci/drm/amd/display/dc \ 33 -I$S/dev/pci/drm/amd/display/amdgpu_dm \ 34 -I$S/dev/pci/drm/amd/pm/inc \ 35 -I$S/dev/pci/drm/amd/pm/legacy-dpm \ 36 -I$S/dev/pci/drm/amd/pm/swsmu \ 37 -I$S/dev/pci/drm/amd/pm/swsmu/inc \ 38 -I$S/dev/pci/drm/amd/pm/swsmu/smu11 \ 39 -I$S/dev/pci/drm/amd/pm/swsmu/smu12 \ 40 -I$S/dev/pci/drm/amd/pm/swsmu/smu13 \ 41 -I$S/dev/pci/drm/amd/pm/powerplay/inc \ 42 -I$S/dev/pci/drm/amd/pm/powerplay/hwmgr \ 43 -I$S/dev/pci/drm/amd/pm/powerplay/smumgr \ 44 -I$S/dev/pci/drm/amd/pm/swsmu/inc \ 45 -I$S/dev/pci/drm/amd/pm/swsmu/inc/pmfw_if \ 46 -I$S/dev/pci/drm/amd/display/dc/inc \ 47 -I$S/dev/pci/drm/amd/display/dc/inc/hw \ 48 -I$S/dev/pci/drm/amd/display/dc/clk_mgr \ 49 -I$S/dev/pci/drm/amd/display/modules/inc \ 50 -I$S/dev/pci/drm/amd/display/modules/hdcp \ 51 -I$S/dev/pci/drm/amd/display/dmub/inc 52CPPFLAGS= ${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL -D__${_mach}__ -MD -MP 53CWARNFLAGS= -Werror -Wall -Wimplicit-function-declaration \ 54 -Wno-pointer-sign \ 55 -Wno-constant-conversion -Wno-address-of-packed-member \ 56 -Wno-unused-but-set-variable -Wno-gnu-folding-constant \ 57 -Wframe-larger-than=2047 58 59CMACHFLAGS= -march=armv8-a+nofp+nosimd+rng \ 60 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer \ 61 -ffixed-x18 62CMACHFLAGS+= -ffreestanding ${NOPIE_FLAGS} 63CMACHFLAGS+= -moutline-atomics 64SORTR= sort -R 65.if ${IDENT:M-DNO_PROPOLICE} 66CMACHFLAGS+= -fno-stack-protector 67.endif 68.if ${IDENT:M-DSMALL_KERNEL} 69SORTR= cat 70COPTIMIZE?= -Oz 71CMACHFLAGS+= -mbranch-protection=none 72.else 73CMACHFLAGS+= -mbranch-protection=bti 74.endif 75 76DEBUG?= -g 77COPTIMIZE?= -O2 78CFLAGS= ${DEBUG} ${CWARNFLAGS} ${CMACHFLAGS} ${COPTIMIZE} ${COPTS} ${PIPE} 79AFLAGS= -D_LOCORE -x assembler-with-cpp ${CWARNFLAGS} ${CMACHFLAGS} 80LINKFLAGS= -T ld.script -X --warn-common -nopie 81 82HOSTCC?= ${CC} 83HOSTED_CPPFLAGS=${CPPFLAGS:S/^-nostdinc$//} 84HOSTED_CFLAGS= ${CFLAGS} 85HOSTED_C= ${HOSTCC} ${HOSTED_CFLAGS} ${HOSTED_CPPFLAGS} -c $< 86 87NORMAL_C_NOP= ${CC} ${CFLAGS} ${CPPFLAGS} -fno-ret-protector -c $< 88NORMAL_C= ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< 89NORMAL_S= ${CC} ${AFLAGS} ${CPPFLAGS} ${PROF} -c $< 90 91%OBJS 92 93%CFILES 94 95%SFILES 96 97# load lines for config "xxx" will be emitted as: 98# xxx: ${SYSTEM_DEP} swapxxx.o 99# ${SYSTEM_LD_HEAD} 100# ${SYSTEM_LD} swapxxx.o 101# ${SYSTEM_LD_TAIL} 102SYSTEM_HEAD= locore0.o gap.o 103SYSTEM_OBJ= ${SYSTEM_HEAD} ${OBJS} param.o ioconf.o 104SYSTEM_DEP= Makefile ${SYSTEM_OBJ} ld.script 105SYSTEM_LD_HEAD= @rm -f $@ 106SYSTEM_LD= @echo ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_HEAD} vers.o $${OBJS}'; \ 107 umask 007; \ 108 echo ${OBJS} param.o ioconf.o vers.o | tr " " "\n" | ${SORTR} > lorder; \ 109 ${LD} ${LINKFLAGS} -o $@ ${SYSTEM_HEAD} `cat lorder` 110SYSTEM_LD_TAIL= @${SIZE} $@ 111 112.if ${DEBUG} == "-g" 113STRIPFLAGS= -S 114SYSTEM_LD_TAIL+=; umask 007; \ 115 echo mv $@ $@.gdb; rm -f $@.gdb; mv $@ $@.gdb; \ 116 echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \ 117 ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb 118.else 119LINKFLAGS+= -S 120.endif 121 122%LOAD 123 124# cc's -MD puts the source and output paths in the dependency file; 125# since those are temp files here we need to fix it up. It also 126# puts the file in /tmp, so we use -MF to put it in the current 127# directory as assym.P and then generate assym.d from it with a 128# good target name 129assym.h: $S/kern/genassym.sh Makefile \ 130 ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf 131 cat ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf | \ 132 sh $S/kern/genassym.sh ${CC} ${CFLAGS} ${CPPFLAGS} -no-integrated-as -MF assym.P > assym.h.tmp 133 sed '1s/.*/assym.h: \\/' assym.P > assym.d 134 sort -u assym.h.tmp > assym.h 135 136param.c: $S/conf/param.c 137 rm -f param.c 138 cp $S/conf/param.c . 139 140param.o: param.c Makefile 141 ${NORMAL_C} 142 143mcount.o: $S/lib/libkern/mcount.c Makefile 144 ${NORMAL_C_NOP} 145 146ioconf.o: ioconf.c 147 ${NORMAL_C} 148 149ld.script: ${_archdir}/conf/kern.ldscript 150 cat ${_archdir}/conf/kern.ldscript | \ 151 sed -e 's/@KERNEL_BASE_PHYS@/${KERNEL_BASE_PHYS}/' \ 152 -e 's/@KERNEL_BASE_VIRT@/${KERNEL_BASE_VIRT}/' > ld.script 153gapdummy.o: 154 echo '__asm(".section .rodata,\"a\"");' > gapdummy.c 155 ${CC} -c ${CFLAGS} ${CPPFLAGS} gapdummy.c -o $@ 156 157makegap.sh: 158 cp $S/conf/makegap.sh $@ 159 160MAKE_GAP = LD="${LD}" sh makegap.sh 0xd4d4d4d4 gapdummy.o 161 162gap.o: Makefile makegap.sh gapdummy.o vers.o 163 ${MAKE_GAP} 164 165vers.o: ${SYSTEM_DEP:Ngap.o} 166 sh $S/conf/newvers.sh 167 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c 168 169clean: 170 rm -f *bsd *bsd.gdb *.[dio] [a-z]*.s assym.* \ 171 gap.link gapdummy.c ld.script lorder makegap.sh param.c 172 173cleandir: clean 174 rm -f Makefile *.h ioconf.c options machine ${_mach} vers.c 175 176depend obj: 177 178locore0.o: ${_archdir}/${_arch}/locore0.S assym.h 179copy.o copystr.o: assym.h 180cpuswitch.o exception.o support.o: assym.h 181locore.o trampoline.o: assym.h 182 183hardlink-obsd: 184 [[ ! -f /bsd ]] || cmp -s bsd /bsd || ln -f /bsd /obsd 185 186newinstall: 187 install -F -m 700 bsd /bsd && sha256 -h /var/db/kernel.SHA256 /bsd 188 189install: update-link hardlink-obsd newinstall 190 191# pull in the dependency information 192.ifnmake clean 193. for o in ${SYSTEM_OBJ:Ngap.o} assym.h 194. if exists(${o:R}.d) 195. include "${o:R}.d" 196. elif exists($o) 197 .PHONY: $o 198. endif 199. endfor 200.endif 201 202%RULES 203