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# Makefile.arm -- with config changes.
# Copyright 1990 W. Jolitz
# from: @(#)Makefile.i386 7.1 5/10/91
# $FreeBSD$
#
# Makefile for FreeBSD
#
# This makefile is constructed from a machine description:
# config machineid
# Most changes should be made in the machine description
# /sys/arm/conf/``machineid''
# after which you should do
# config machineid
# Generic makefile changes should be made in
# /sys/conf/Makefile.arm
# after which config should be rerun for all machines.
#
# Which version of config(8) is required.
%VERSREQ= 600013
STD8X16FONT?= iso
.if !defined(S)
.if exists(./@/.)
S= ./@
.else
S= ../../..
.endif
.endif
.include "$S/conf/kern.pre.mk"
INCLUDES+= -I$S/contrib/libfdt -I$S/contrib/device-tree/include
LINUX_DTS_VERSION!= awk '/freebsd,dts-version/ { sub(/;$$/,"", $$NF); print $$NF }' $S/dts/freebsd-compatible.dts
CFLAGS += -DLINUX_DTS_VERSION=\"${LINUX_DTS_VERSION}\"
.if !defined(DEBUG) && !defined(PROFLEVEL)
STRIP_FLAGS = -S
.endif
# We don't support gcc's thump interwork stuff, so disable it
CFLAGS.gcc += -mno-thumb-interwork
# We generally don't want fpu instructions in the kernel.
CFLAGS.clang += -mfpu=none
.if !empty(DDB_ENABLED)
CFLAGS += -funwind-tables
.endif
# "makeoptions KERNVIRTADDR=" is now optional, supply the default value.
.if empty(KERNVIRTADDR)
KERNVIRTADDR= 0xc0000000
.endif
# Use a custom SYSTEM_LD command to generate the elf kernel, so we can
# set the text segment start address, and also strip the "arm mapping
# symbols" which have names like $a.0 and $d.2; see the document
# "ELF for the ARM architecture" for more info on the mapping symbols.
SYSTEM_LD= \
${SYSTEM_LD_BASECMD} \
--defsym='text_start=kernbase + SIZEOF_HEADERS' \
-o ${.TARGET} ${SYSTEM_OBJS} vers.o; \
$(OBJCOPY) \
--wildcard \
--strip-symbol='$$[adt]*' \
${.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='$$[adt]*' \
--output-target=binary \
${.TARGET}
@chmod 755 ${.TARGET}
# hack because genassym.c includes sys/bus.h which includes these.
genassym.o: bus_if.h device_if.h
%BEFORE_DEPEND
%OBJS
%FILES.c
%FILES.s
%FILES.m
%CLEAN
CLEAN+= ${KERNEL_KO}.bin
%RULES
.include "$S/conf/kern.post.mk"
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