##################################################################
# makefile for via raid
# Copyright VIA Technologies, Inc.
# Optional parameters: KERNELDIR DEBUG BOOT
# Example
#	make -e KERNELDIR=/usr/src/linux2.4 BOOT=1
# will compile a driver for boot kernel ,kernel source code is /usr/src/linux2.4 directory.
###################################################################

ifndef KERNELDIR
KERNELDIR = /usr/src/linux
endif
KERNEL_VER=`uname -r`

#Here is the chip related information
PREDEF =  -DVIA_LINUX -DMULTIPLE_CARD_SUPPORT
MOD = viamraid
VIALIBBASE = viaprvraidm

ifeq ($(KERNELDIR)/.config, $(wildcard $(KERNELDIR)/.config))
include $(KERNELDIR)/.config 
endif

VIALIB=$(VIALIBBASE).o

COMPOPT = -DMODULE -D__KERNEL__=1 -O
ifndef NOMODVER
COMPOPT += -DMODVERSIONS
endif

OBJS = viapubraid.o
SRC = viapubraid.c
HEADERS = viapubraid.h viaprvdef.h
cc=gcc

ifeq ($(BOOT), 1)
COMPOPT += -D__BOOT_KERNEL_BOOT=1
endif

#patch for RedHat7.2
#ifeq ($(BOOT), 1)
#ifeq ($(RH72), 1)
#ifndef ATHLON
#COMPOPT += -D__MODULE_KERNEL_i686=1
#else
#COMPOPT += -D__MODULE_KERNEL_athlon=1
#endif
#endif
#endif
#patch ends

ifeq ($(DEBUG), 1)
COMPOPT += -DVIARAID_DEBUG=1
endif


ifdef CONFIG_X86_64
	PREDEF += -mcmodel=kernel
	PREDEF += -D_WIN64 -DX86_64
	VIALIB=$(VIALIBBASE)64.o
endif

INCLS =-I$(KERNELDIR)/include -I$(KERNELDIR)/include/asm -I$(KERNELDIR)/drivers/scsi

CFLAGS = $(PREDEF) $(COMPOPT) $(INCLS) -Wall 

all:$(MOD).o

$(MOD).o: $(OBJS) $(VIALIB)
	ld -r $^ -o $(MOD).o 

viapubraid.o: $(SRC) $(HEADERS)
	$(cc) -c $(CFLAGS) viapubraid.c

install:
	find /lib/modules/$(KERNEL_VER) -name $(MOD).o -exec rm '{}' ';'
	install -m 555 -D $(MOD).o /lib/modules/$(KERNEL_VER)/misc/$(MOD).o
	depmod -a
	modprobe $(MOD)

clean:
	rm -f $(OBJS)
	rm -f $(MOD).o