642N/A#
642N/A# Makefile for the VirtualBox Linux Host PCI Driver.
642N/A# (For 2.6.x this file must be called 'Makefile'!)
642N/A#
642N/A
642N/A#
642N/A#
642N/A# Copyright (C) 2011 Oracle Corporation
642N/A#
642N/A# This file is part of VirtualBox Open Source Edition (OSE), as
642N/A# available from http://www.virtualbox.org. This file is free software;
642N/A# you can redistribute it and/or modify it under the terms of the GNU
642N/A# General Public License (GPL) as published by the Free Software
642N/A# Foundation, in version 2 as it comes in the "COPYING" file of the
642N/A# VirtualBox OSE distribution. VirtualBox OSE is distributed in the
642N/A# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
642N/A#
642N/A
642N/A#
642N/A# First, figure out which architecture we're targeting and the build type.
642N/A# (We have to support basic cross building (ARCH=i386|x86_64).)
642N/A# While at it, warn about BUILD_* vars found to help with user problems.
3143N/A#
3158N/Aifeq ($(filter-out x86_64 amd64 AMD64,$(shell uname -m)),)
3143N/A BUILD_TARGET_ARCH_DEF := amd64
642N/Aelse
3253N/A BUILD_TARGET_ARCH_DEF := x86
3143N/Aendif
642N/Aifneq ($(filter-out amd64 x86,$(BUILD_TARGET_ARCH)),)
642N/A $(warning Ignoring unknown BUILD_TARGET_ARCH value '$(BUILD_TARGET_ARCH)'.)
642N/A BUILD_TARGET_ARCH :=
642N/Aendif
642N/Aifeq ($(BUILD_TARGET_ARCH),)
642N/A ifeq ($(ARCH),x86_64)
642N/A BUILD_TARGET_ARCH := amd64
642N/A else
642N/A ifeq ($(ARCH),i386)
642N/A BUILD_TARGET_ARCH := x86
642N/A else
642N/A BUILD_TARGET_ARCH := $(BUILD_TARGET_ARCH_DEF)
642N/A endif
642N/A endif
642N/Aelse
642N/A ifneq ($(BUILD_TARGET_ARCH),$(BUILD_TARGET_ARCH_DEF))
642N/A $(warning Using BUILD_TARGET_ARCH='$(BUILD_TARGET_ARCH)' from the $(origin BUILD_TARGET_ARCH).)
642N/A endif
642N/Aendif
642N/A
642N/Aifneq ($(filter-out release profile debug strict,$(BUILD_TYPE)),)
642N/A $(warning Ignoring unknown BUILD_TYPE value '$(BUILD_TYPE)'.)
642N/A BUILD_TYPE :=
3253N/Aendif
642N/Aifeq ($(BUILD_TYPE),)
3253N/A BUILD_TYPE := release
642N/Aelse
642N/A ifneq ($(BUILD_TYPE),release)
3253N/A $(warning Using BUILD_TYPE='$(BUILD_TYPE)' from the $(origin BUILD_TYPE).)
642N/A endif
642N/Aendif
642N/A
642N/A# override is required by the Debian guys
642N/Aoverride MODULE = vboxpci
642N/AOBJS = \
642N/A linux/VBoxPci-linux.o \
642N/A VBoxPci.o \
642N/A SUPR0IdcClient.o \
642N/A SUPR0IdcClientComponent.o \
642N/A linux/SUPR0IdcClient-linux.o
642N/A
642N/Aifeq ($(BUILD_TARGET_ARCH),x86)
642N/AOBJS += math/gcc/divdi3.o \
642N/A math/gcc/moddi3.o \
3253N/A math/gcc/qdivrem.o \
642N/A math/gcc/udivdi3.o \
642N/A math/gcc/divdi3.o \
642N/A math/gcc/umoddi3.o
642N/Aendif
642N/A
642N/Aifneq ($(MAKECMDGOALS),clean)
642N/A
642N/Aifeq ($(KERNELRELEASE),)
642N/A
642N/A #
642N/A # building from this directory
642N/A #
642N/A
642N/A # kernel base directory
642N/A ifndef KERN_DIR
642N/A # build for the current kernel, version check
642N/A KERN_DIR := /lib/modules/$(shell uname -r)/build
642N/A ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
642N/A KERN_DIR := /usr/src/linux
642N/A ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
642N/A $(error Error: unable to find the sources of your current Linux kernel. \
642N/A Specify KERN_DIR=<directory> and run Make again)
642N/A endif
642N/A $(warning Warning: using /usr/src/linux as the source directory of your \
642N/A Linux kernel. If this is not correct, specify \
642N/A KERN_DIR=<directory> and run Make again.)
642N/A endif
642N/A else
642N/A ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
642N/A $(error Error: KERN_DIR does not point to a directory)
642N/A endif
642N/A endif
642N/A
642N/A # includes
3158N/A ifndef KERN_INCL
642N/A KERN_INCL = $(KERN_DIR)/include
642N/A endif
642N/A ifneq ($(shell if test -d $(KERN_INCL); then echo yes; fi),yes)
642N/A $(error Error: unable to find the include directory for your current Linux \
642N/A kernel. Specify KERN_INCL=<directory> and run Make again)
642N/A endif
642N/A
642N/A # module install dir, only for current kernel
642N/A ifneq ($(filter install install_rpm,$(MAKECMDGOALS)),)
642N/A ifndef MODULE_DIR
642N/A MODULE_DIR_TST := /lib/modules/$(shell uname -r)
642N/A ifeq ($(shell if test -d $(MODULE_DIR_TST); then echo yes; fi),yes)
642N/A MODULE_DIR := $(MODULE_DIR_TST)/misc
642N/A else
642N/A $(error Unable to find the folder to install the support driver to)
642N/A endif
642N/A endif # MODULE_DIR unspecified
642N/A endif
642N/A
642N/Aelse # neq($(KERNELRELEASE),)
#
# building from kbuild (make -C <kernel_directory> M=`pwd`)
#
endif # neq($(KERNELRELEASE),)
# debug - show guesses.
ifdef DEBUG
$(warning dbg: KERN_DIR = $(KERN_DIR))
$(warning dbg: KERN_INCL = $(KERN_INCL))
$(warning dbg: MODULE_DIR = $(MODULE_DIR))
endif
KBUILD_VERBOSE ?= 1
#
# Compiler options
#
ifndef INCL
INCL := $(addprefix -I,$(KERN_INCL) $(EXTRA_INCL))
ifndef KBUILD_EXTMOD
KBUILD_EXTMOD := $(shell pwd)
endif
INCL += $(addprefix -I$(KBUILD_EXTMOD),/ /include /r0drv/linux)
INCL += $(addprefix -I$(KBUILD_EXTMOD)/vboxpci,/ /include /r0drv/linux)
export INCL
endif
ifneq ($(wildcard $(KBUILD_EXTMOD)/vboxpci),)
MANGLING := $(KBUILD_EXTMOD)/vboxpci/include/VBox/SUPDrvMangling.h
else
MANGLING := $(KBUILD_EXTMOD)/include/VBox/SUPDrvMangling.h
endif
KFLAGS := -D__KERNEL__ -DMODULE -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 \
-DIN_SUP_R0 -DVBOX -DRT_WITH_VBOX -DVBOX_WITH_HARDENING
ifdef VBOX_REDHAT_KABI
KFLAGS += -DVBOX_REDHAT_KABI
endif
ifeq ($(BUILD_TARGET_ARCH),amd64)
KFLAGS += -DRT_ARCH_AMD64
else
KFLAGS += -DRT_ARCH_X86
endif
# must be consistent with Config.kmk!
KFLAGS += -DVBOX_WITH_64_BITS_GUESTS
ifeq ($(BUILD_TYPE),debug)
KFLAGS += -DDEBUG -DDEBUG_$(USER) -g
# IPRT_DEBUG_SEMS indicates thread wrt sems state via the comm field.
#KFLAGS += -DIPRT_DEBUG_SEMS
endif
# By default we use remap_pfn_range() kernel API to make kernel pages
# visible for userland. Unfortunately, it leads to situation that
# during debug session all structures on that page (such as PVM pointer)
# are not accessible to the debugger (see #3214).
# This code enables experimental support
# for vm_insert_page() kernel API, allowing to export kernel pages
# to the userland in more debugger-friendly way. Due to stability
# concerns, not enabled by default yet.
ifdef VBOX_USE_INSERT_PAGE
KFLAGS += -DVBOX_USE_INSERT_PAGE
endif
MODULE_EXT := ko
$(MODULE)-y := $(OBJS)
# build defs
EXTRA_CFLAGS += -include $(MANGLING) $(INCL) $(KFLAGS) $(KDEBUG)
all: $(MODULE)
obj-m += $(MODULE).o
# OL/UEK: disable module signing for external modules -- we don't have any private key
$(MODULE):
$(MAKE) KBUILD_VERBOSE=$(KBUILD_VERBOSE) SUBDIRS=$(CURDIR) SRCROOT=$(CURDIR) CONFIG_MODULE_SIG= -C $(KERN_DIR) modules
install: $(MODULE)
@mkdir -p $(MODULE_DIR); \
install -m 0664 -o root -g root $(MODULE).$(MODULE_EXT) $(MODULE_DIR); \
PATH="$(PATH):/bin:/sbin" depmod -a;
install_rpm: $(MODULE)
@mkdir -p $(MODULE_DIR); \
install -m 0664 $(MODULE).$(MODULE_EXT) $(MODULE_DIR)
else # eq ($(MAKECMDGOALS),clean)
ifndef KERN_DIR
KERN_DIR := /lib/modules/$(shell uname -r)/build
ifeq ($(wildcard $(KERN_DIR)/Makefile),)
KERN_DIR := /usr/src/linux
endif
endif
ifeq ($(wildcard $(KERN_DIR)/Makefile),)
clean:
find . \( -name \*.o -o -name \*.cmd \) -print0 | xargs -0 rm -f
rm -rf .tmp_ver* $(MODULE).* Module.symvers Modules.symvers modules.order
else
clean:
$(MAKE) KBUILD_VERBOSE=$(KBUILD_VERBOSE) SUBDIRS=$(CURDIR) SRCROOT=$(CURDIR) -C $(KERN_DIR) clean
endif
endif # eq($(MAKECMDGOALS),clean)