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# Makefile.riscv -- 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
#
# RISCVTODO: copy pasted from aarch64, needs to be
# constructed from a machine description:
# config machineid
# Most changes should be made in the machine description
# /sys/riscv/conf/``machineid''
# after which you should do
# config machineid
# Generic makefile changes should be made in
# /sys/conf/Makefile.riscv
# 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 -I$S/contrib/device-tree/include
# Set the ELF LMA to the address that OpenSBI's fw_jump jumps to. This allows
# us to load the kernel with the -kernel flag in QEMU without having to embed
# it inside BBL or OpenSBI's fw_payload first.
# Note: For rv32 the start address is different (0x80400000).
# We set this value using --defsym rather than hardcoding it in ldscript.riscv
# so that different kernel configs can override the load address.
KERNEL_LMA?= 0x80200000
LDFLAGS+= --defsym='kernel_lma=${KERNEL_LMA}'
.if !empty(DDB_ENABLED)
CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
.endif
# 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
%RULES
.include "$S/conf/kern.post.mk"
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