# Name         : Makefile.generic
#
# Copyright    : 2002 by Imagination Technologies Ltd. All rights reserved.
#                No part of this software, either material or conceptual 
#                may be copied or distributed, transmitted, transcribed,
#                stored in a retrieval system or translated into any 
#                human or computer language in any form by any means,
#                electronic, mechanical, manual or other-wise, or 
#                disclosed to third parties without the express written
#                permission of Imagination Technologies Ltd, Unit 8, HomePark
#                Industrial Estate, King's Langley, Hertfordshire,
#                WD4 8LZ, U.K.
#
# Description  : external makefile for relinking to arbitrary kernels

ifndef KERNELROOT
	KERNELROOT = /usr/src/linux-$(shell uname -r)
endif

ifneq ($(shell if test -d $(KERNELROOT); then echo yes; fi),yes)
	KERNELROOT = /usr/src/linux
endif

ifneq ($(shell if test -d $(KERNELROOT); then echo yes; fi),yes)
error:
	$(error kernel source not found in $$KERNELROOT, /usr/src/linux-$(shell uname -r), or /usr/src/linux)
endif


SRC = hostfunc.c kernmem.c mmap.c module.c module_drm.c virtmem.c
OBJS = $(SRC:.c=.o)

CFLAGS = $(KERNFLAGS) -O2
CFLAGS += -DMODULE -DMODVERSIONS -include $(KERNELROOT)/include/linux/modversions.h
CFLAGS += -D__KERNEL__ -I$(KERNELROOT)/include
CFLAGS += -DLINUX -DGCC_IA32 -DSUPPORT_AGP -Idrm

HAVE_VMA=$(shell grep remap_page_range $(KERNELROOT)/include/linux/mm.h | grep -c vma)

ifeq ($(HAVE_VMA),0)
CFLAGS += -DHAVE_VMA=0
else
CFLAGS += -DHAVE_VMA=1
endif

powervr.o: $(OBJS)
	$(LD) -r $^ libPOWERVR.a -o $@

install: powervr.o
	mkdir -p /lib/modules/`uname -r`/kernel/drivers/char/drm
	install -m 0444 powervr.o /lib/modules/`uname -r`/kernel/drivers/char/drm
	install -m 0755 lib{PVR2D,PVR2OS,PVRMMAP,SGL2,SGLMID7B}.so /usr/lib
	install -m 0444 powervr_drv.o /usr/X11R6/lib/modules/drivers
	install -m 0444 powervr_dri.so /usr/X11R6/lib/modules/dri
	install -m 0444 XF86KyroSampleConfig /etc/X11
	install -m 0644 powervr_kyro.ini /etc
	ln -fs /usr/lib/libPVR2D.so /usr/X11R6/lib/modules/drivers
	mkdir -p /usr/share/doc/powervr
	install -m 0444 README LICENSE.TXT /usr/share/doc/powervr
	/sbin/depmod
	/sbin/ldconfig
	/sbin/modprobe powervr

uninstall:
	-/sbin/rmmod powervr
	/bin/rm -f /usr/lib/lib{PVR2D,PVR2OS,PVRMMAP,SGL2,SGLMID7B}.so
	/bin/rm -f /usr/X11R6/lib/modules/drivers/libPVR2D.so
	/bin/rm -f /usr/X11R6/lib/modules/drivers/powervr_drv.o
	/bin/rm -f /usr/X11R6/lib/modules/dri/powervr_dri.so
	/bin/rm -f /etc/X11/XF86KyroSampleConfig
	/bin/rm -f /etc/powervr_kyro.ini
	/bin/rm -rf /usr/share/doc/powervr
	/sbin/depmod
	/sbin/ldconfig

clean:
	/bin/rm -f $(OBJS) powervr.o