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# SPDX-License-Identifier: GPL-2.0-only
################################################################################
#
# r8169 is the Linux device driver released for RealTek RTL8169S/8110S,
# RTL8169SB/8110SB, and RTL8110SC Gigabit Ethernet controllers with
# PCI interface.
#
# Copyright(c) 2022 Realtek Semiconductor Corp. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, see <http://www.gnu.org/licenses/>.
#
# Author:
# Realtek NIC software team <nicfae@realtek.com>
# No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
#
################################################################################
################################################################################
# This product is covered by one or more of the following patents:
# US5,307,459, US5,434,872, US5,732,094, US6,570,884, US6,115,776, and US6,327,625.
################################################################################
CC := gcc
LD := ld
ARCH := $(shell uname -m | sed 's/i.86/i386/')
KSRC := /lib/modules/$(shell uname -r)/build
CONFIG_FILE := $(KSRC)/include/linux/autoconf.h
KMISC := /lib/modules/$(shell uname -r)/kernel/drivers/net/
ifeq ($(ARCH),x86_64)
MODCFLAGS += -mcmodel=kernel -mno-red-zone
endif
#standard flags for module builds
MODCFLAGS += -DLINUX -D__KERNEL__ -DMODULE -O2 -pipe -Wall
MODCFLAGS += -I$(KSRC)/include -I.
MODCFLAGS += -DMODVERSIONS -DEXPORT_SYMTAB -include $(KSRC)/include/linux/modversions.h
ifeq ($(RTL_IOCTL),y)
SOURCE := r8169_n.c rtl_ioctl.c
else
SOURCE := r8169_n.c
endif
OBJS := $(SOURCE:.c=.o)
SMP := $(shell $(CC) $(MODCFLAGS) -E -dM $(CONFIG_FILE) | \
grep CONFIG_SMP | awk '{print $$3}')
ifneq ($(SMP),1)
SMP := 0
endif
ifeq ($(SMP),1)
MODCFLAGS += -D__SMP__
endif
modules: $(OBJS)
$(LD) -r $^ -o r8169.o
strip --strip-debug r8169.o
%.o: %.c
$(CC) $(MODCFLAGS) -c $< -o $@
clean:
rm *.o -f
install:
install -m 744 -c r8169.o $(KMISC)
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