Makefile.aarch64 revision 1.20
1 # $NetBSD: Makefile.aarch64,v 1.20 2020/04/13 07:32:36 maxv 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 ${HAVE_LLVM:Uno} == "yes" 43 .if ${ARMV83_PAC:U0} > 0 && ${ARMV85_BTI:U0} > 0 44 CFLAGS+= -mbranch-protection=pac-ret+bti 45 .else 46 .if ${ARMV83_PAC:U0} > 0 47 CFLAGS+= -mbranch-protection=pac-ret 48 .endif 49 .if ${ARMV85_BTI:U0} > 0 50 CFLAGS+= -mbranch-protection=bti 51 .endif 52 .endif 53 .endif 54 55 .if ${KASAN:U0} > 0 && ${HAVE_GCC:U0} > 0 56 KASANFLAGS= -fsanitize=kernel-address \ 57 --param asan-globals=1 --param asan-stack=1 \ 58 --param asan-instrument-allocas=1 \ 59 -fsanitize-address-use-after-scope \ 60 -fasan-shadow-offset=0xDFFF600000000000 61 .for f in subr_asan.c 62 KASANFLAGS.${f}= # empty 63 .endfor 64 CFLAGS+= ${KASANFLAGS.${.IMPSRC:T}:U${KASANFLAGS}} 65 .endif 66 67 ## 68 ## (3) libkern and compat 69 ## 70 OPT_MODULAR= %MODULAR% 71 72 ## 73 ## (4) local objects, compile rules, and dependencies 74 ## 75 MD_OBJS+= ${SYSTEM_FIRST_OBJ} locore.o 76 MD_CFILES+= 77 MD_SFILES+= ${SYSTEM_FIRST_SFILE} ${ARM}/aarch64/locore.S 78 79 .if defined(SYSTEM_FIRST_OBJ) 80 ${SYSTEM_FIRST_OBJ}: ${SYSTEM_FIRST_SFILE} assym.h 81 ${NORMAL_S} 82 .endif 83 84 locore.o: ${ARM}/aarch64/locore.S assym.h 85 ${NORMAL_S} 86 87 ## 88 ## (5) link settings 89 ## 90 KERNLDSCRIPT?= ${ARM}/conf/kern.ldscript 91 LOADADDRESS?= 0xffffc00000000000 92 LINKFLAGS_NORMAL= -X 93 94 # Strip AArch64 mapping symbols from the kernel image, as they interfere 95 # with ddb. Do it differently if 'makeoptions DEBUG="-g"' was specified. 96 .if !defined(DEBUG) || empty(DEBUG:M-g*) 97 SYSTEM_LD_TAIL?= ${OBJCOPY} -w --strip-symbol='[$$][dx]' \ 98 --strip-symbol='[$$][dx]\.*' $@ ;\ 99 ${SIZE} $@; chmod 755 $@ 100 .else 101 STRIPFLAGS=-g --strip-symbol='$$x' --strip-symbol='$$d' 102 .endif 103 104 ## 105 ## (6) port specific target dependencies 106 ## 107 108 # depend on DIAGNOSTIC etc. 109 cpuswitch.o fault.o machdep.o: Makefile 110 111 # various assembly files that depend on assym.h 112 atomic.o bcopy_page.o bcopyinout.o copystr.o cpuswitch.o cpu_in_cksum.o: assym.h 113 exception.o sigcode.o: assym.h 114 spl.o vectors.o: assym.h 115 116 ## 117 ## (7) misc settings 118 ## 119 120 # define .MAIN _before_ the make() check, so that implicit target 121 # would be defined 122 .MAIN: all 123 124 .if !make(obj) && !make(clean) && !make(cleandir) 125 .BEGIN:: 126 -@rm -f arm && \ 127 ln -s $S/arch/arm/include arm 128 .endif 129 130 ## 131 ## (8) config(8) generated machinery 132 ## 133 %INCLUDES 134 135 %OBJS 136 137 %CFILES 138 139 %SFILES 140 141 %LOAD 142 143 %RULES 144 145 ## 146 ## (9) after the config file is inserted 147 ## 148 149 ## 150 ## (10) port independent kernel machinery 151 ## 152 153 .include "$S/conf/Makefile.kern.inc" 154 155 ## 156 ## (11) Appending make options. 157 ## 158 %MAKEOPTIONSAPPEND 159
Indexes created Wed Oct 29 12:09:47 GMT 2025