# $NetBSD: Makefile.arm,v 1.49.4.2 2020/02/27 19:06:23 martin Exp $ # Makefile for NetBSD # # This makefile is constructed from a machine description: # config machineid # Most changes should be made in the machine description # /sys/arch//conf/``machineid'' # after which you should do # config machineid # Machine generic makefile changes should be made in # /sys/arch/arm/conf/Makefile.arm # after which config should be rerun for all machines of that type. # # To specify debugging, add the config line: makeoptions DEBUG="-g" # A better way is to specify -g only for a few files. # # makeoptions DEBUGLIST="uvm* trap if_*" USETOOLS?= no NEED_OWN_INSTALL_TARGET?=no .include ## ## (1) port identification ## THISARM= $S/arch/${MACHINE} ARM= $S/arch/arm GENASSYM_CONF= ${ARM}/arm32/genassym.cf .-include "$S/arch/${MACHINE}/conf/Makefile.${MACHINE}.inc" ## ## (2) compile settings ## # CPPFLAGS set by platform-specific Makefile fragment. AFLAGS+= -x assembler-with-cpp COPTS.arm32_kvminit.c+= -fno-stack-protector COPTS.vfp_init.c= -mfpu=vfp AFLAGS.bcopyinout.S+=-marm AFLAGS.cpuswitch.S+=-marm -mfpu=vfp AFLAGS.locore.S+=-marm AFLAGS.fusu.S+=-marm AFLAGS.exception.S+=-marm AFLAGS.irq_dispatch.S+=-marm AFLAGS.blockio.S+=-marm AFLAGS.copystr.S+=-marm CFLAGS+= -mfloat-abi=soft # This files use instructions deprecated for ARMv7+, but still # included in kernel that build with higher -mcpu=... settings. CPPFLAGS.cpufunc_asm_armv4.S+= -mcpu=arm8 CPPFLAGS.cpufunc_asm_armv6.S+= -mcpu=arm1136j-s CPPFLAGS.cpufunc_asm_arm11.S+= -mcpu=arm1136j-s CPPFLAGS.cpufunc_asm_xscale.S+= -mcpu=xscale ## ## (3) libkern and compat ## OPT_MODULAR= %MODULAR% ## ## (4) local objects, compile rules, and dependencies ## MD_OBJS+= ${SYSTEM_FIRST_OBJ} locore.o MD_CFILES+= MD_SFILES+= ${SYSTEM_FIRST_SFILE} ${ARM}/arm32/locore.S .if defined(SYSTEM_FIRST_OBJ) ${SYSTEM_FIRST_OBJ}: ${SYSTEM_FIRST_SFILE} assym.h ${NORMAL_S} .endif locore.o: ${ARM}/arm32/locore.S assym.h ${NORMAL_S} ## ## (5) link settings ## LOADADDRESS?= 0xF0000000 LINKFLAGS_NORMAL= -X # Strip ARM mapping symbols from the kernel image, as they interfere # with ddb. Do it differently if 'makeoptions DEBUG="-g"' was specified. .if !defined(DEBUG) || empty(DEBUG:M-g*) SYSTEM_LD_TAIL?= ${OBJCOPY} --wildcard --strip-symbol='[$$][atd]' \ --strip-symbol='[$$][atd]\.*' $@; \ ${SIZE} $@; chmod 755 $@ .else STRIPFLAGS=-g --wildcard --strip-symbol='[$$][atd]' \ --strip-symbol='[$$][atd]\.*' .endif ## ## (6) port specific target dependencies ## # depend on CPU configuration cpufunc.o cpufunc_asm.o: Makefile # depend on DIAGNOSTIC etc. cpuswitch.o fault.o machdep.o: Makefile # various assembly files that depend on assym.h atomic.o bcopy_page.o bcopyinout.o copystr.o cpuswitch.o cpu_in_cksum.o: assym.h exception.o fiq_subr.o fusu.o irq_dispatch.o isa_irq.o sigcode.o: assym.h spl.o vectors.o: assym.h ## ## (7) misc settings ## ## ## (8) config(8) generated machinery ## %INCLUDES %OBJS %CFILES %SFILES %LOAD %RULES ## ## (9) after the config file is inserted ## .for f in ${SFILES:T:Mcpufunc_asm*} AFLAGS.${f}+=-marm .endfor ## ## (10) port independent kernel machinery ## .include "$S/conf/Makefile.kern.inc" ## ## (11) Appending make options. ## %MAKEOPTIONSAPPEND