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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/gnu/dts/include
SYSTEM_LD:= ${SYSTEM_LD:$S/conf/ldscript.$M=ldscript.$M}
SYSTEM_DEP:= ${SYSTEM_DEP:$S/conf/ldscript.$M=ldscript.$M}
.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
.if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} < 30500
# clang < 3.5.0 requires us to tell it to emit assembly with unwind information
CFLAGS += -mllvm -arm-enable-ehabi
.endif
.endif
# "makeoptions KERNVIRTADDR=" is now optional, supply the default value.
.if empty(KERNVIRTADDR)
KERNVIRTADDR= 0xc0000000
.endif
# hack because genassym.c includes sys/bus.h which includes these.
genassym.o: bus_if.h device_if.h
SYSTEM_LD_ = ${LD} -m ${LD_EMULATION} -Bdynamic -T ldscript.$M.noheader \
${_LDFLAGS} --no-warn-mismatch --warn-common --export-dynamic \
--dynamic-linker /red/herring \
-o ${FULLKERNEL}.noheader -X ${SYSTEM_OBJS} vers.o
SYSTEM_LD_TAIL +=;sed s/" + SIZEOF_HEADERS"// ldscript.$M\
>ldscript.$M.noheader; \
${SYSTEM_LD_}; \
${OBJCOPY} -S -O binary ${FULLKERNEL}.noheader \
${KERNEL_KO}.bin; \
rm ${FULLKERNEL}.noheader
FILES_CPU_FUNC = \
$S/$M/$M/cpufunc_asm_arm9.S \
$S/$M/$M/cpufunc_asm_xscale.S $S/$M/$M/cpufunc_asm.S \
$S/$M/$M/cpufunc_asm_xscale_c3.S $S/$M/$M/cpufunc_asm_armv5_ec.S \
$S/$M/$M/cpufunc_asm_fa526.S $S/$M/$M/cpufunc_asm_sheeva.S
.if ${MACHINE_ARCH:Marmv[67]*} == "" && defined(KERNPHYSADDR)
KERNEL_EXTRA=trampoline
KERNEL_EXTRA_INSTALL=kernel.gz.tramp
trampoline: ${KERNEL_KO}.tramp
${KERNEL_KO}.tramp: ${KERNEL_KO} $S/$M/$M/inckern.S $S/$M/$M/elf_trampoline.c
echo "#define KERNNAME \"${KERNEL_KO}.tmp\"" >opt_kernname.h
sed s/${KERNVIRTADDR}/${KERNPHYSADDR}/ ldscript.$M > ldscript.$M.tramp
sed s/" + SIZEOF_HEADERS"// ldscript.$M.tramp > \
ldscript.$M.tramp.noheader
echo "#include <machine/asm.h>" >tmphack.S
echo "ENTRY(_start)" >>tmphack.S
echo "bl _startC" >>tmphack.S
${OBJCOPY} --strip-symbol '$$d' --strip-symbol '$$a' \
-g --strip-symbol '$$t' ${FULLKERNEL} ${KERNEL_KO}.tmp
eval $$(stat -s ${KERNEL_KO}.tmp) && \
echo "#define KERNSIZE $$st_size" >>opt_kernname.h
${CC} -O -nostdlib -I. -I$S \
-Xlinker -T -Xlinker ldscript.$M.tramp \
-DELF_TRAMPOLINE \
tmphack.S \
$S/$M/$M/elf_trampoline.c \
$S/$M/$M/inckern.S \
${FILES_CPU_FUNC} \
-o ${KERNEL_KO}.tramp
${CC} -O -nostdlib -I. -I$S \
-Xlinker -T -Xlinker ldscript.$M.tramp.noheader \
-DELF_TRAMPOLINE \
tmphack.S \
$S/$M/$M/elf_trampoline.c \
$S/$M/$M/inckern.S \
${FILES_CPU_FUNC} \
-o ${KERNEL_KO}.tramp.noheader
${OBJCOPY} -S -O binary ${KERNEL_KO}.tramp.noheader \
${KERNEL_KO}.tramp.bin
${OBJCOPY} ${STRIP_FLAGS} ${KERNEL_KO}.tmp
echo "#define KERNNAME \"${KERNEL_KO}.tmp.gz\"" >opt_kernname.h
eval $$(stat -s ${KERNEL_KO}.tmp) && \
echo "#define KERNSIZE $$st_size" >>opt_kernname.h
gzip -f9 ${KERNEL_KO}.tmp
eval $$(stat -s ${KERNEL_KO}.tmp.gz) && \
echo "#define KERNCOMPSIZE $$st_size" >>opt_kernname.h
${CC} -O2 -ffreestanding -I. -I$S -c \
-DKZIP -DELF_TRAMPOLINE \
$S/kern/subr_inflate.c \
-o inflate-tramp.o
${CC} -O -nostdlib -I. -I$S \
-Xlinker -T -Xlinker ldscript.$M.tramp \
-DKZIP -DELF_TRAMPOLINE \
tmphack.S \
$S/$M/$M/elf_trampoline.c \
inflate-tramp.o \
$S/$M/$M/inckern.S \
${FILES_CPU_FUNC} \
-o ${KERNEL_KO}.gz.tramp
${CC} -O -nostdlib -I. -I$S \
-Xlinker -T -Xlinker ldscript.$M.tramp.noheader \
-DKZIP -DELF_TRAMPOLINE \
tmphack.S \
$S/$M/$M/elf_trampoline.c \
inflate-tramp.o \
$S/$M/$M/inckern.S \
${FILES_CPU_FUNC} \
-o ${KERNEL_KO}.tramp.noheader
${OBJCOPY} -S -O binary ${KERNEL_KO}.tramp.noheader \
${KERNEL_KO}.gz.tramp.bin
rm ${KERNEL_KO}.tmp.gz ${KERNEL_KO}.tramp.noheader opt_kernname.h \
inflate-tramp.o tmphack.S
.endif
%BEFORE_DEPEND
%OBJS
%FILES.c
%FILES.s
%FILES.m
%CLEAN
CLEAN+= ldscript.$M ${KERNEL_KO}.bin ldscript.$M.noheader
CLEAN+= ${KERNEL_KO}.tramp ${KERNEL_KO}.tramp.bin ldscript.$M.tramp \
ldscript.$M.tramp.noheader ${KERNEL_KO}.gz.tramp \
${KERNEL_KO}.gz.tramp.bin
ldscript.$M: $S/conf/ldscript.$M
cat $S/conf/ldscript.$M|sed s/KERNPHYSADDR/${KERNPHYSADDR}/g| \
sed s/KERNVIRTADDR/${KERNVIRTADDR}/g > ldscript.$M
%RULES
.include "$S/conf/kern.post.mk"
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