Makefile revision 0013b984212f7f0b741f4121be352249fc7e487b
0N/A#
381N/A# Makefile for the VirtualBox Linux Host Driver.
0N/A# (For 2.6.x this file must be called 'Makefile'!)
0N/A#
0N/A
0N/A#
0N/A#
0N/A# Copyright (C) 2006-2007 innotek GmbH
0N/A#
0N/A# This file is part of VirtualBox Open Source Edition (OSE), as
0N/A# available from http://www.virtualbox.org. This file is free software;
0N/A# you can redistribute it and/or modify it under the terms of the GNU
0N/A# General Public License (GPL) as published by the Free Software
0N/A# Foundation, in version 2 as it comes in the "COPYING" file of the
0N/A# VirtualBox OSE distribution. VirtualBox OSE is distributed in the
0N/A# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
0N/A#
0N/A# The contents of this file may alternatively be used under the terms
0N/A# of the Common Development and Distribution License Version 1.0
0N/A# (CDDL) only, as it comes in the "COPYING.CDDL" file of the
0N/A# VirtualBox OSE distribution, in which case the provisions of the
0N/A# CDDL are applicable instead of those of the GPL.
0N/A#
0N/A# You may elect to license modified versions of this file under the
0N/A# terms and conditions of either the GPL or the CDDL or both.
0N/A#
0N/A
0N/A#
0N/A# First, figure out which architecture we're targeting and the build type.
0N/A# (We have to support basic cross building (ARCH=i386|x86_64).)
0N/A# While at it, warn about BUILD_* vars found to help with user problems.
0N/A#
0N/Aifneq ($(filter-out amd64 x86,$(BUILD_TARGET_ARCH)),)
0N/A $(warning Ignoring unknown BUILD_TARGET_ARCH value '$(BUILD_TARGET_ARCH)'.)
0N/A BUILD_TARGET_ARCH :=
0N/Aendif
0N/Aifeq ($(BUILD_TARGET_ARCH),)
0N/A ifeq ($(ARCH),x86_64)
0N/A BUILD_TARGET_ARCH := amd64
0N/A else
0N/A ifeq ($(ARCH),i386)
0N/A BUILD_TARGET_ARCH := x86
0N/A else
0N/A ifeq ($(filter-out x86_64 amd64 AMD64,$(shell uname -m)),)
0N/A BUILD_TARGET_ARCH := amd64
0N/A else
0N/A BUILD_TARGET_ARCH := x86
0N/A endif
0N/A endif
0N/A endif
0N/Aelse
0N/A $(warning Using BUILD_TARGET_ARCH='$(BUILD_TARGET_ARCH)' from the $(origin BUILD_TARGET_ARCH).)
0N/Aendif
0N/A
0N/Aifneq ($(filter-out release profile debug strict,$(BUILD_TYPE)),)
0N/A $(warning Ignoring unknown BUILD_TYPE value '$(BUILD_TYPE)'.)
0N/A BUILD_TYPE :=
0N/Aendif
0N/Aifeq ($(BUILD_TYPE),)
0N/A BUILD_TYPE := release
0N/Aelse
0N/A $(warning Using BUILD_TYPE='$(BUILD_TYPE)' from the $(origin BUILD_TYPE).)
0N/Aendif
0N/A
0N/A
0N/AMODULE = vboxdrv
0N/AOBJS = \
0N/A linux/SUPDrv-linux.o \
0N/A SUPDRVShared.o \
862N/A r0drv/alloc-r0drv.o \
0N/A r0drv/initterm-r0drv.o \
0N/A r0drv/linux/alloc-r0drv-linux.o \
0N/A r0drv/linux/initterm-r0drv-linux.o \
0N/A r0drv/linux/process-r0drv-linux.o \
0N/A r0drv/linux/semevent-r0drv-linux.o \
0N/A r0drv/linux/semeventmulti-r0drv-linux.o \
0N/A r0drv/linux/semfastmutex-r0drv-linux.o \
0N/A r0drv/linux/spinlock-r0drv-linux.o \
0N/A r0drv/linux/thread-r0drv-linux.o
0N/Aifeq ($(BUILD_TARGET_ARCH),amd64)
0N/AOBJS += alloc/heapsimple.o
0N/Aendif
0N/Aifeq ($(BUILD_TYPE),debug)
0N/AOBJS += \
0N/A common/log/log.o \
0N/A common/log/logcom.o \
0N/A common/log/logformat.o \
101N/A common/string/strformat.o \
101N/A common/string/strformatrt.o \
101N/A common/string/strprintf.o \
101N/A common/string/strtonum.o \
101N/A r0drv/linux/RTLogWriteDebugger-r0drv-linux.o \
101N/A generic/RTLogWriteStdErr-stub-generic.o \
101N/A generic/RTLogWriteStdOut-stub-generic.o \
101N/A generic/RTLogWriteUser-generic.o \
101N/A VBox/log-vbox.o \
101N/A VBox/strformat-vbox.o
endif
ifneq ($(MAKECMDGOALS),clean)
ifdef KDIR
# Debian kernel module build system
KERN_DIR := $(KDIR)
endif
# kernel base directory
ifndef KERN_DIR
# build for the current kernel, version check
KERN_DIR := /lib/modules/$(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
# check if versions match -- works only for later 2.6 kernels
VBOX_KERN_VER := $(shell $(MAKE) -sC $(KERN_DIR) kernelrelease 2> /dev/null || true)
ifneq ($(VBOX_KERN_VER),)
ifneq ($(VBOX_KERN_VER),$(shell uname -r))
$(error Error: /usr/src/linux (version $(VBOX_KERN_VER)) does not match the current kernel (version $(shell uname -r)))
endif
endif
else
# build for a dedicated kernel, no version check
ifneq ($(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)
$(error Error: unable to find the include directory for your current Linux kernel. Specify KERN_INCL=<directory> and run Make again.)
endif
# module install dir, only for current kernel
ifneq ($(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 -DVBOX -DRT_WITH_VBOX
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)
KFLAGS += -DDEBUG -DDEBUG_$(USER)
endif
#
# Use the RTR0MemObj API - testing.
# If this makes testboxes crash/burn/leak disable it and add a comment to defect #2116.
#
KFLAGS += -DUSE_NEW_OS_INTERFACE_FOR_MM
OBJS += r0drv/memobj-r0drv.o \
r0drv/linux/memobj-r0drv-linux.o
ifeq ($(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