1 # $NetBSD: Makefile.aarch64,v 1.10.2.2 2020/04/08 14:07:23 martin Exp $ 2 3 # Makefile for NetBSD 4 # 5 # This makefile is constructed from a machine description: 6 # config machineid 7 # Most changes should be made in the machine description 8 # /sys/arch/<arch>/conf/``machineid'' 9 # after which you should do 10 # config machineid 11 # Machine generic makefile changes should be made in 12 # /sys/arch/arm/conf/Makefile.arm 13 # after which config should be rerun for all machines of that type. 14 # 15 # To specify debugging, add the config line: makeoptions DEBUG="-g" 16 # A better way is to specify -g only for a few files. 17 # 18 # makeoptions DEBUGLIST="uvm* trap if_*" 19 20 USETOOLS?= no 21 NEED_OWN_INSTALL_TARGET?=no 22 .include <bsd.own.mk> 23 24 ## 25 ## (1) port identification 26 ## 27 THISARM= $S/arch/${MACHINE} 28 ARM= $S/arch/aarch64 29 GENASSYM_CONF= ${ARM}/aarch64/genassym.cf 30 .-include "$S/arch/${MACHINE}/conf/Makefile.${MACHINE}.inc" 31 32 ## 33 ## (2) compile settings 34 ## 35 # CPPFLAGS set by platform-specific Makefile fragment. 36 CFLAGS+= -march=armv8-a+nofp+nosimd 37 #CFLAGS+= -fomit-frame-pointer 38 CFLAGS+= -fno-omit-frame-pointer 39 CFLAGS+= -mno-omit-leaf-frame-pointer 40 #CFLAGS+= -mno-unaligned-access 41 42 .if ${KASAN:U0} > 0 && ${HAVE_GCC:U0} > 0 43 KASANFLAGS= -fsanitize=kernel-address \ 44 --param asan-globals=1 --param asan-stack=1 \ 45 -fsanitize-address-use-after-scope \ 46 -fasan-shadow-offset=0xDFFF600000000000 47 .for f in subr_asan.c 48 KASANFLAGS.${f}= # empty 49 .endfor 50 CFLAGS+= ${KASANFLAGS.${.IMPSRC:T}:U${KASANFLAGS}} 51 .endif 52 53 ## 54 ## (3) libkern and compat 55 ## 56 OPT_MODULAR= %MODULAR% 57 58 ## 59 ## (4) local objects, compile rules, and dependencies 60 ## 61 MD_OBJS+= ${SYSTEM_FIRST_OBJ} locore.o 62 MD_CFILES+= 63 MD_SFILES+= ${SYSTEM_FIRST_SFILE} ${ARM}/aarch64/locore.S 64 65 .if defined(SYSTEM_FIRST_OBJ) 66 ${SYSTEM_FIRST_OBJ}: ${SYSTEM_FIRST_SFILE} assym.h 67 ${NORMAL_S} 68 .endif 69 70 locore.o: ${ARM}/aarch64/locore.S assym.h 71 ${NORMAL_S} 72 73 ## 74 ## (5) link settings 75 ## 76 KERNLDSCRIPT?= ${ARM}/conf/kern.ldscript 77 LOADADDRESS?= 0xffffc00000000000 78 LINKFLAGS_NORMAL= -X 79 80 # Strip AArch64 mapping symbols from the kernel image, as they interfere 81 # with ddb. Do it differently if 'makeoptions DEBUG="-g"' was specified. 82 .if !defined(DEBUG) || empty(DEBUG:M-g*) 83 SYSTEM_LD_TAIL?= ${OBJCOPY} -w --strip-symbol='[$$][dx]' \ 84 --strip-symbol='[$$][dx]\.*' $@ ;\ 85 ${SIZE} $@; chmod 755 $@ 86 .else 87 STRIPFLAGS=-g --strip-symbol='$$x' --strip-symbol='$$d' 88 .endif 89 90 ## 91 ## (6) port specific target dependencies 92 ## 93 94 # depend on DIAGNOSTIC etc. 95 cpuswitch.o fault.o machdep.o: Makefile 96 97 # various assembly files that depend on assym.h 98 atomic.o bcopy_page.o bcopyinout.o copystr.o cpuswitch.o cpu_in_cksum.o: assym.h 99 exception.o sigcode.o: assym.h 100 spl.o vectors.o: assym.h 101 102 ## 103 ## (7) misc settings 104 ## 105 106 # define .MAIN _before_ the make() check, so that implicit target 107 # would be defined 108 .MAIN: all 109 110 .if !make(obj) && !make(clean) && !make(cleandir) 111 .BEGIN:: 112 -@rm -f arm && \ 113 ln -s $S/arch/arm/include arm 114 .endif 115 116 ## 117 ## (8) config(8) generated machinery 118 ## 119 %INCLUDES 120 121 %OBJS 122 123 %CFILES 124 125 %SFILES 126 127 %LOAD 128 129 %RULES 130 131 ## 132 ## (9) after the config file is inserted 133 ## 134 135 ## 136 ## (10) port independent kernel machinery 137 ## 138 139 .include "$S/conf/Makefile.kern.inc" 140 141 ## 142 ## (11) Appending make options. 143 ## 144 %MAKEOPTIONSAPPEND 145