1 # $NetBSD: Makefile.aarch64,v 1.25 2023/07/28 02:41:30 rin 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 defined(PROF) && ${HAVE_GCC:U0} > 0 43 # For accurate profiling, it is better to suppress the tail call. 44 CFLAGS+= -fno-optimize-sibling-calls 45 .endif 46 47 .if ${ARMV83_PAC:U0} > 0 && ${ARMV85_BTI:U0} > 0 48 CFLAGS+= -mbranch-protection=pac-ret+bti 49 .else 50 .if ${ARMV83_PAC:U0} > 0 51 CFLAGS+= -mbranch-protection=pac-ret 52 .endif 53 .if ${ARMV85_BTI:U0} > 0 54 CFLAGS+= -mbranch-protection=bti 55 .endif 56 .endif 57 58 .if ${KASAN:U0} > 0 && ${HAVE_GCC:U0} > 0 59 KASANFLAGS= -fsanitize=kernel-address \ 60 --param asan-globals=1 --param asan-stack=1 \ 61 --param asan-instrument-allocas=1 \ 62 -fsanitize-address-use-after-scope \ 63 -fasan-shadow-offset=0xDFFF600000000000 64 .for f in subr_asan.c 65 KASANFLAGS.${f}= # empty 66 .endfor 67 CFLAGS+= ${KASANFLAGS.${.IMPSRC:T}:U${KASANFLAGS}} 68 .endif 69 70 ## 71 ## (3) libkern and compat 72 ## 73 OPT_MODULAR= %MODULAR% 74 75 ## 76 ## (4) local objects, compile rules, and dependencies 77 ## 78 MD_OBJS+= ${SYSTEM_FIRST_OBJ} locore.o 79 MD_CFILES+= 80 MD_SFILES+= ${SYSTEM_FIRST_SFILE} ${ARM}/aarch64/locore.S 81 82 .if defined(SYSTEM_FIRST_OBJ) 83 ${SYSTEM_FIRST_OBJ}: ${SYSTEM_FIRST_SFILE} assym.h 84 ${NORMAL_S} 85 .endif 86 87 locore.o: ${ARM}/aarch64/locore.S assym.h 88 ${NORMAL_S} 89 90 ## 91 ## (5) link settings 92 ## 93 KERNLDSCRIPT?= ${ARM}/conf/kern.ldscript 94 LOADADDRESS?= 0xffffc00000000000 95 LINKFLAGS_NORMAL= -X 96 97 # Strip AArch64 mapping symbols from the kernel image, as they interfere 98 # with ddb, but don't strip them in netbsd.gdb. See Makefile.kern.inc. 99 ARCH_STRIP_SYMBOLS= --strip-symbol='[$$][dx]' \ 100 --strip-symbol='[$$][dx]\.*' 101 102 ## 103 ## (6) port specific target dependencies 104 ## 105 106 # depend on DIAGNOSTIC etc. 107 cpuswitch.o fault.o machdep.o: Makefile 108 109 # various assembly files that depend on assym.h 110 atomic.o bcopy_page.o bcopyinout.o copystr.o cpuswitch.o cpu_in_cksum.o: assym.h 111 exception.o sigcode.o: assym.h 112 spl.o vectors.o: assym.h 113 114 ## 115 ## (7) misc settings 116 ## 117 118 # define .MAIN _before_ the make() check, so that implicit target 119 # would be defined 120 .MAIN: all 121 122 .if !make(obj) && !make(clean) && !make(cleandir) 123 .BEGIN:: 124 -@rm -f arm && \ 125 ln -s $S/arch/arm/include arm 126 .endif 127 128 ## 129 ## (8) config(8) generated machinery 130 ## 131 %INCLUDES 132 133 %OBJS 134 135 %CFILES 136 137 %SFILES 138 139 %LOAD 140 141 %RULES 142 143 ## 144 ## (9) after the config file is inserted 145 ## 146 147 ## 148 ## (10) port independent kernel machinery 149 ## 150 151 .include "$S/conf/Makefile.kern.inc" 152 153 ## 154 ## (11) Appending make options. 155 ## 156 %MAKEOPTIONSAPPEND 157
Indexes created Sat Oct 25 10:09:55 GMT 2025