1# Makefile.arm -- with config changes. 2# Copyright 1990 W. Jolitz 3# from: @(#)Makefile.i386 7.1 5/10/91 4# $FreeBSD$ 5# 6# Makefile for FreeBSD 7# 8# This makefile is constructed from a machine description: 9# config machineid 10# Most changes should be made in the machine description 11# /sys/arm/conf/``machineid'' 12# after which you should do 13# config machineid 14# Generic makefile changes should be made in 15# /sys/conf/Makefile.arm 16# after which config should be rerun for all machines. 17# 18 19# Which version of config(8) is required. 20%VERSREQ= 600013 21 22STD8X16FONT?= iso 23 24.if !defined(S) 25.if exists(./@/.) 26S= ./@ 27.else 28S= ../../.. 29.endif 30.endif 31.include "$S/conf/kern.pre.mk" 32 33INCLUDES+= -I$S/contrib/libfdt -I$S/contrib/device-tree/include -I$$/dts/include 34 35LINUX_DTS_VERSION!= awk '/freebsd,dts-version/ { sub(/;$$/,"", $$NF); print $$NF }' $S/dts/freebsd-compatible.dts 36CFLAGS += -DLINUX_DTS_VERSION=\"${LINUX_DTS_VERSION}\" 37 38.if !defined(DEBUG) 39STRIP_FLAGS = -S 40.endif 41 42# We don't support gcc's thump interwork stuff, so disable it 43CFLAGS.gcc += -mno-thumb-interwork 44 45# We generally don't want fpu instructions in the kernel. 46CFLAGS.clang += -mfpu=none 47 48.if !empty(DDB_ENABLED) 49CFLAGS += -funwind-tables 50.endif 51 52# "makeoptions KERNVIRTADDR=" is now optional, supply the default value. 53.if empty(KERNVIRTADDR) 54KERNVIRTADDR= 0xc0000000 55.endif 56 57# Use a custom SYSTEM_LD command to generate the elf kernel, so we can 58# set the text segment start address, and also strip the "arm mapping 59# symbols" which have names like $a.0 and $d.2; see the document 60# "ELF for the ARM architecture" for more info on the mapping symbols. 61SYSTEM_LD= \ 62 ${SYSTEM_LD_BASECMD} \ 63 --defsym='text_start=kernbase + SIZEOF_HEADERS' \ 64 -o ${.TARGET} ${SYSTEM_OBJS} vers.o; \ 65 $(OBJCOPY) \ 66 --wildcard \ 67 --strip-symbol='$$[adt]*' \ 68 ${.TARGET} 69 70# Generate the .bin (no elf headers) kernel as an extra build output. 71# We must relink to generate the .bin kernel, because without headers the 72# location of everything changes. We also strip the ARM marker symbols. 73KERNEL_EXTRA+= ${KERNEL_KO}.bin 74KERNEL_EXTRA_INSTALL+= ${KERNEL_KO}.bin 75 76${KERNEL_KO}.bin: ${SYSTEM_DEP} vers.o 77 @echo "linking ${.TARGET}" 78 @${SYSTEM_LD_BASECMD} \ 79 --defsym='text_start=kernbase' \ 80 -o ${.TARGET} ${SYSTEM_OBJS} vers.o 81 ${SIZE} ${.TARGET} 82 @${OBJCOPY} \ 83 --wildcard \ 84 --strip-symbol='$$[adt]*' \ 85 --output-target=binary \ 86 ${.TARGET} 87 @chmod 755 ${.TARGET} 88 89# hack because genassym.c includes sys/bus.h which includes these. 90genassym.o: bus_if.h device_if.h 91 92%BEFORE_DEPEND 93 94%OBJS 95 96%FILES.c 97 98%FILES.s 99 100%FILES.m 101 102%CLEAN 103 104CLEAN+= ${KERNEL_KO}.bin 105 106%RULES 107 108.include "$S/conf/kern.post.mk" 109