# Makefile.arm64 -- with config changes. # Copyright 1990 W. Jolitz # from: @(#)Makefile.i386 7.1 5/10/91 # from FreeBSD: src/sys/conf/Makefile.i386,v 1.255 2002/02/20 23:35:49 # $FreeBSD$ # # Makefile for FreeBSD # # This makefile is constructed from a machine description: # config machineid # Most changes should be made in the machine description # /sys/arm64/conf/``machineid'' # after which you should do # config machineid # Generic makefile changes should be made in # /sys/conf/Makefile.arm64 # after which config should be rerun for all machines. # # Which version of config(8) is required. %VERSREQ= 600012 .if !defined(S) S= ../../.. .endif .include "$S/conf/kern.pre.mk" INCLUDES+= -I$S/contrib/libfdt # Use a custom SYSTEM_LD command to generate the elf kernel, so we can # set the text segment start address, and also strip the "arm mapping # symbols" which have names like $a.0 and $d.2; see the document # "ELF for the ARM architecture" for more info on the mapping symbols. SYSTEM_LD= \ ${SYSTEM_LD_BASECMD} \ --defsym='text_start=kernbase + SIZEOF_HEADERS' \ -o ${.TARGET} ${SYSTEM_OBJS} vers.o; \ $(OBJCOPY) \ --wildcard \ --strip-symbol='$$[adtx]*' \ ${.TARGET} # Generate the .bin (no elf headers) kernel as an extra build output. # We must relink to generate the .bin kernel, because without headers the # location of everything changes. We also strip the ARM marker symbols. KERNEL_EXTRA+= ${KERNEL_KO}.bin KERNEL_EXTRA_INSTALL+= ${KERNEL_KO}.bin ${KERNEL_KO}.bin: ${SYSTEM_DEP} vers.o @echo "linking ${.TARGET}" @${SYSTEM_LD_BASECMD} \ --defsym='text_start=kernbase' \ -o ${.TARGET} ${SYSTEM_OBJS} vers.o ${SIZE} ${.TARGET} @${OBJCOPY} \ --wildcard \ --strip-symbol='$$[adtx]*' \ --output-target=binary \ ${.TARGET} @chmod 755 ${.TARGET} .if !empty(DDB_ENABLED) CFLAGS += -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer .endif %BEFORE_DEPEND %OBJS %FILES.c %FILES.s %FILES.m %CLEAN CLEAN+= ${KERNEL_KO}.bin %RULES .include "$S/conf/kern.post.mk" |