1*4882a593Smuzhiyun# 2*4882a593Smuzhiyun# Copyright (C) 2012, 2016-2017 ARM Limited. All rights reserved. 3*4882a593Smuzhiyun# 4*4882a593Smuzhiyun# This program is free software and is provided to you under the terms of the GNU General Public License version 2 5*4882a593Smuzhiyun# as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence. 6*4882a593Smuzhiyun# 7*4882a593Smuzhiyun# A copy of the licence is included with the program, and can also be obtained from Free Software 8*4882a593Smuzhiyun# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 9*4882a593Smuzhiyun# 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun# default to building for the host 12*4882a593SmuzhiyunARCH ?= $(shell uname -m) 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun# linux build system integration 15*4882a593Smuzhiyun 16*4882a593Smuzhiyunifneq ($(KERNELRELEASE),) 17*4882a593Smuzhiyun# Inside the kernel build system 18*4882a593Smuzhiyun 19*4882a593SmuzhiyunEXTRA_CFLAGS += -I$(KBUILD_EXTMOD) 20*4882a593Smuzhiyun 21*4882a593SmuzhiyunSRC = umplock_driver.c 22*4882a593Smuzhiyun 23*4882a593SmuzhiyunMODULE:=umplock.ko 24*4882a593Smuzhiyun 25*4882a593Smuzhiyunobj-m := $(MODULE:.ko=.o) 26*4882a593Smuzhiyun$(MODULE:.ko=-y) := $(SRC:.c=.o) 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun$(MODULE:.ko=-objs) := $(SRC:.c=.o) 29*4882a593Smuzhiyun 30*4882a593Smuzhiyunelse 31*4882a593Smuzhiyun# Outside the kernel build system 32*4882a593Smuzhiyun# 33*4882a593Smuzhiyun# 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun# Get any user defined KDIR-<names> or maybe even a hardcoded KDIR 36*4882a593Smuzhiyun-include KDIR_CONFIGURATION 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun# Define host system directory 39*4882a593SmuzhiyunKDIR-$(shell uname -m):=/lib/modules/$(shell uname -r)/build 40*4882a593Smuzhiyun 41*4882a593Smuzhiyunifeq ($(ARCH), arm) 42*4882a593Smuzhiyun # when compiling for ARM we're cross compiling 43*4882a593Smuzhiyun export CROSS_COMPILE ?= arm-none-linux-gnueabi- 44*4882a593Smuzhiyun CONFIG ?= arm 45*4882a593Smuzhiyunelse 46*4882a593Smuzhiyun # Compiling for the host 47*4882a593Smuzhiyun CONFIG ?= $(shell uname -m) 48*4882a593Smuzhiyunendif 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun# default cpu to select 51*4882a593SmuzhiyunCPU ?= $(shell uname -m) 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun# look up KDIR based om CPU selection 54*4882a593SmuzhiyunKDIR ?= $(KDIR-$(CPU)) 55*4882a593Smuzhiyun 56*4882a593Smuzhiyunifeq ($(KDIR),) 57*4882a593Smuzhiyun$(error No KDIR found for platform $(CPU)) 58*4882a593Smuzhiyunendif 59*4882a593Smuzhiyun 60*4882a593Smuzhiyunall: 61*4882a593Smuzhiyun $(MAKE) ARCH=$(ARCH) -C $(KDIR) M=$(CURDIR) 62*4882a593Smuzhiyun 63*4882a593Smuzhiyunkernelrelease: 64*4882a593Smuzhiyun $(MAKE) -C $(KDIR) kernelrelease 65*4882a593Smuzhiyun 66*4882a593Smuzhiyunclean: 67*4882a593Smuzhiyun $(MAKE) ARCH=$(ARCH) -C $(KDIR) M=$(CURDIR) clean 68*4882a593Smuzhiyun 69*4882a593Smuzhiyunendif 70