Makefile revision 0f5d4e4aa8590ee9905b6d4d695b4340dbdf289c
481N/A#
481N/A# Makefile for the VirtualBox Linux Host Driver.
1356N/A# (For 2.6.x this file must be called 'Makefile'!)
1356N/A#
1493N/A
481N/A#
481N/A#
919N/A# Copyright (C) 2006 innotek GmbH
919N/A#
919N/A# This file is part of VirtualBox Open Source Edition (OSE), as
919N/A# available from http://www.virtualbox.org. This file is free software;
919N/A# you can redistribute it and/or modify it under the terms of the GNU
919N/A# General Public License as published by the Free Software Foundation,
919N/A# in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
919N/A# distribution. VirtualBox OSE is distributed in the hope that it will
919N/A# be useful, but WITHOUT ANY WARRANTY of any kind.
919N/A
919N/A#
919N/A# First, figure out which architecture we're targeting.
919N/A# (We have to support basic cross building (ARCH=i386|x86_64).)
919N/A#
919N/Aifneq ($(filter-out amd64 x86,$(BUILD_TARGET_ARCH)),)
919N/A $(warning Ignoring unknown BUILD_TARGET_ARCH value '$(BUILD_TARGET_ARCH)'.)
919N/A BUILD_TARGET_ARCH :=
481N/Aendif
481N/Aifeq ($(BUILD_TARGET_ARCH),)
481N/A ifeq ($(ARCH),x86_64)
493N/A BUILD_TARGET_ARCH := amd64
493N/A else
481N/A ifeq ($(ARCH),i386)
1356N/A BUILD_TARGET_ARCH := x86
1356N/A else
1356N/A ifeq ($(filter-out x86_64 amd64 AMD64,$(shell uname -m)),)
481N/A BUILD_TARGET_ARCH := amd64
1408N/A else
481N/A BUILD_TARGET_ARCH := x86
911N/A endif
1408N/A endif
1408N/A endif
1408N/Aendif
911N/A
481N/A
481N/AMODULE = vboxdrv
481N/AOBJS = \
493N/A linux/SUPDrv-linux.o \
493N/A SUPDRVShared.o \
493N/A r0drv/alloc-r0drv.o \
481N/A r0drv/initterm-r0drv.o \
939N/A r0drv/linux/alloc-r0drv-linux.o \
939N/A r0drv/linux/initterm-r0drv-linux.o \
939N/A r0drv/linux/process-r0drv-linux.o \
939N/A r0drv/linux/semaphore-r0drv-linux.o \
939N/A r0drv/linux/spinlock-r0drv-linux.o \
1408N/A r0drv/linux/thread-r0drv-linux.o
1408N/Aifeq ($(BUILD_TARGET_ARCH),amd64)
1408N/AOBJS += alloc/heapsimple.o
970N/Aendif
970N/A
970N/Aifneq ($(MAKECMDGOALS),clean)
481N/A
493N/A# kernel base directory
481N/Aifndef KERN_DIR
KERN_DIR := /lib/modules/$(shell uname -r)/build
ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
KERN_DIR := /usr/src/linux
ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
$(error Error: unable to find the sources of your current Linux kernel. Specify KERN_DIR=<directory> and run Make again.)
endif
$(warning Warning: using /usr/src/linux as the source directory of your Linux kernel. If this is not correct, specify KERN_DIR=<directory> and run Make again.)
endif
else
ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
$(error Error: KERN_DIR does not point to a directory.)
endif
endif
# includes
ifndef KERN_INCL
KERN_INCL = $(KERN_DIR)/include
endif
ifneq ($(shell if test -d $(KERN_INCL); then echo yes; fi),yes)
$(error Error: unable to find the include directory for your current Linux kernel. Specify KERN_INCL=<directory> and run Make again.)
endif
# module install dir.
ifneq ($(filter install install_rpm,$(MAKECMDGOALS)),)
ifndef MODULE_DIR
MODULE_DIR_TST := /lib/modules/$(shell uname -r)
ifeq ($(shell if test -d $(MODULE_DIR_TST); then echo yes; fi),yes)
MODULE_DIR := $(MODULE_DIR_TST)/misc
else
$(error Unable to find the folder to install the support driver to)
endif
endif # MODULE_DIR unspecified
endif
# guess kernel version (24 or 26)
KERN_VERSION := $(if $(wildcard $(KERN_DIR)/Rules.make),24,26)
# debug - show guesses.
ifdef DEBUG
$(warning dbg: KERN_DIR = $(KERN_DIR))
$(warning dbg: KERN_INCL = $(KERN_INCL))
$(warning dbg: MODULE_DIR = $(MODULE_DIR))
$(warning dbg: KERN_VERSION = $(KERN_VERSION))
endif
#
# Compiler options
#
ifndef INCL
INCL := -I$(KERN_INCL) $(addprefix -I, $(EXTRA_INCL))
ifndef KBUILD_EXTMOD
KBUILD_EXTMOD := $(shell pwd)
endif
INCL += $(addprefix -I$(KBUILD_EXTMOD),/ /include /r0drv/linux)
export INCL
endif
KFLAGS := -D__KERNEL__ -DMODULE -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 -DIN_SUP_R0
ifndef CONFIG_VBOXDRV_FIXEDMAJOR
KFLAGS += -DCONFIG_VBOXDRV_AS_MISC
endif
ifeq ($(BUILD_TARGET_ARCH),amd64)
KFLAGS += -DRT_ARCH_AMD64
else
KFLAGS += -DRT_ARCH_X86
endif
#ifeq ($(BUILD_TYPE),debug) - you'll have to enable this manually to get debug stuff.
#KFLAGS += -DDEBUG
#endif
#
# Use the RTR0MemObj API - testing.
# If this makes testboxes crash/burn/leak disable it and add a comment to defect #2116.
#
KFLAGS += -DUSE_NEW_OS_INTERFACE_FOR_MM
OBJS += r0drv/memobj-r0drv.o \
r0drv/linux/memobj-r0drv-linux.o
ifeq ($(BUILD_TARGET_ARCH),x86) # Some gcc versions ends up needing __divdi3.
OBJS += math/gcc/qdivrem.o \
math/gcc/divdi3.o
endif
ifeq ($(KERN_VERSION), 24)
# 2.4
TOPDIR = $(KERN_DIR)
MODULE_EXT := o
EXTRA_CFLAGS := -DVBOX_LINUX_2_4
$(MODULE)-objs = $(OBJS)
else
# 2.6 and later
MODULE_EXT := ko
$(MODULE)-y := $(OBJS)
endif
# build defs
EXTRA_CFLAGS += $(INCL) $(KFLAGS) $(KDEBUG)
all: $(MODULE)
obj-m += $(MODULE).o
$(MODULE):
$(MAKE) KBUILD_VERBOSE=1 -C $(KERN_DIR) SUBDIRS=$(CURDIR) SRCROOT=$(CURDIR) modules
ifeq ($(KERN_VERSION), 24)
#
# 2.4 Module linking
#
$(MODULE).o: $(OBJS)
$(LD) -o $@ -r $(OBJS)
include $(KERN_DIR)/Rules.make
endif
install: $(MODULE)
@mkdir -p $(MODULE_DIR); \
install -m 0664 -o root -g root $(MODULE).$(MODULE_EXT) $(MODULE_DIR); \
PATH="$(PATH):/bin:/sbin" depmod -ae; \
rm -f /etc/vbox/module_not_compiled
install_rpm: $(MODULE)
@mkdir -p $(MODULE_DIR); \
install -m 0664 $(MODULE).$(MODULE_EXT) $(MODULE_DIR)
endif # eq($(MAKECMDGOALS),clean)
clean:
for f in . linux r0drv r0drv/linux; do rm -f $$f/*.o $$f/.*.cmd $$f/.*.flags; done
rm -rf .vboxdrv* .tmp_ver* vboxdrv.* Module.symvers Modules.symvers