| 1 | #
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| 2 | # Makefile for the VirtualBox Linux Host Virtual Network Adapter Driver.
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| 3 | # (For 2.6.x this file must be called 'Makefile'!)
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| 4 | #
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| 5 |
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| 6 | #
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| 7 | #
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| 8 | # Copyright (C) 2006-2007 Sun Microsystems, Inc.
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| 9 | #
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| 10 | # This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | # available from http://www.virtualbox.org. This file is free software;
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| 12 | # you can redistribute it and/or modify it under the terms of the GNU
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| 13 | # General Public License (GPL) as published by the Free Software
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| 14 | # Foundation, in version 2 as it comes in the "COPYING" file of the
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| 15 | # VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 16 | # hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | #
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| 18 | # Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 19 | # Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 20 | # additional information or have any questions.
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| 21 | #
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| 22 |
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| 23 | #
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| 24 | # First, figure out which architecture we're targeting and the build type.
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| 25 | # (We have to support basic cross building (ARCH=i386|x86_64).)
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| 26 | # While at it, warn about BUILD_* vars found to help with user problems.
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| 27 | #
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| 28 | ifeq ($(filter-out x86_64 amd64 AMD64,$(shell uname -m)),)
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| 29 | BUILD_TARGET_ARCH_DEF := amd64
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| 30 | else
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| 31 | BUILD_TARGET_ARCH_DEF := x86
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| 32 | endif
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| 33 | ifneq ($(filter-out amd64 x86,$(BUILD_TARGET_ARCH)),)
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| 34 | $(warning Ignoring unknown BUILD_TARGET_ARCH value '$(BUILD_TARGET_ARCH)'.)
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| 35 | BUILD_TARGET_ARCH :=
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| 36 | endif
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| 37 | ifeq ($(BUILD_TARGET_ARCH),)
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| 38 | ifeq ($(ARCH),x86_64)
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| 39 | BUILD_TARGET_ARCH := amd64
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| 40 | else
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| 41 | ifeq ($(ARCH),i386)
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| 42 | BUILD_TARGET_ARCH := x86
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| 43 | else
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| 44 | BUILD_TARGET_ARCH := $(BUILD_TARGET_ARCH_DEF)
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| 45 | endif
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| 46 | endif
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| 47 | else
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| 48 | ifneq ($(BUILD_TARGET_ARCH),$(BUILD_TARGET_ARCH_DEF))
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| 49 | $(warning Using BUILD_TARGET_ARCH='$(BUILD_TARGET_ARCH)' from the $(origin BUILD_TARGET_ARCH).)
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| 50 | endif
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| 51 | endif
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| 52 |
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| 53 | ifneq ($(filter-out release profile debug strict,$(BUILD_TYPE)),)
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| 54 | $(warning Ignoring unknown BUILD_TYPE value '$(BUILD_TYPE)'.)
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| 55 | BUILD_TYPE :=
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| 56 | endif
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| 57 | ifeq ($(BUILD_TYPE),)
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| 58 | BUILD_TYPE := release
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| 59 | else
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| 60 | ifneq ($(BUILD_TYPE),release)
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| 61 | $(warning Using BUILD_TYPE='$(BUILD_TYPE)' from the $(origin BUILD_TYPE).)
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| 62 | endif
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| 63 | endif
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| 64 |
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| 65 | # override is required by the Debian guys
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| 66 | override MODULE = vboxnetadp
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| 67 | OBJS = \
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| 68 | linux/VBoxNetAdp-linux.o \
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| 69 | VBoxNetAdp.o \
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| 70 | r0drv/alloc-r0drv.o \
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| 71 | r0drv/initterm-r0drv.o \
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| 72 | r0drv/memobj-r0drv.o \
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| 73 | r0drv/mpnotification-r0drv.o \
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| 74 | r0drv/powernotification-r0drv.o \
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| 75 | r0drv/linux/assert-r0drv-linux.o \
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| 76 | r0drv/linux/alloc-r0drv-linux.o \
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| 77 | r0drv/linux/initterm-r0drv-linux.o \
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| 78 | r0drv/linux/memobj-r0drv-linux.o \
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| 79 | r0drv/linux/mp-r0drv-linux.o \
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| 80 | r0drv/linux/mpnotification-r0drv-linux.o \
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| 81 | r0drv/linux/process-r0drv-linux.o \
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| 82 | r0drv/linux/semevent-r0drv-linux.o \
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| 83 | r0drv/linux/semeventmulti-r0drv-linux.o \
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| 84 | r0drv/linux/semfastmutex-r0drv-linux.o \
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| 85 | r0drv/linux/spinlock-r0drv-linux.o \
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| 86 | r0drv/linux/thread-r0drv-linux.o \
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| 87 | r0drv/linux/thread2-r0drv-linux.o \
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| 88 | r0drv/linux/time-r0drv-linux.o \
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| 89 | common/err/RTErrConvertFromErrno.o \
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| 90 | common/err/RTErrConvertToErrno.o \
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| 91 | common/log/log.o \
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| 92 | common/log/logellipsis.o \
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| 93 | common/log/logrel.o \
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| 94 | common/log/logrelellipsis.o \
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| 95 | common/log/logcom.o \
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| 96 | common/log/logformat.o \
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| 97 | common/string/strformat.o \
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| 98 | common/string/strformatrt.o \
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| 99 | common/string/strformattype.o \
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| 100 | common/string/strprintf.o \
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| 101 | common/string/strtonum.o \
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| 102 | r0drv/linux/RTLogWriteDebugger-r0drv-linux.o \
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| 103 | generic/RTAssertShouldPanic-generic.o \
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| 104 | generic/RTLogWriteStdErr-stub-generic.o \
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| 105 | generic/RTLogWriteStdOut-stub-generic.o \
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| 106 | generic/RTLogWriteUser-generic.o \
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| 107 | generic/uuid-generic.o \
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| 108 | VBox/log-vbox.o \
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| 109 | VBox/strformat-vbox.o
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| 110 | ifeq ($(BUILD_TARGET_ARCH),x86)
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| 111 | OBJS += math/gcc/divdi3.o \
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| 112 | math/gcc/moddi3.o \
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| 113 | math/gcc/qdivrem.o \
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| 114 | math/gcc/udivdi3.o \
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| 115 | math/gcc/divdi3.o \
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| 116 | math/gcc/umoddi3.o
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| 117 | endif
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| 118 | ifeq ($(BUILD_TARGET_ARCH),amd64)
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| 119 | OBJS += alloc/heapsimple.o
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| 120 | endif
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| 121 |
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| 122 | ifneq ($(MAKECMDGOALS),clean)
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| 123 |
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| 124 | ifeq ($(KERNELRELEASE),)
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| 125 |
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| 126 | #
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| 127 | # building from this directory
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| 128 | #
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| 129 |
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| 130 | # kernel base directory
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| 131 | ifndef KERN_DIR
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| 132 | # build for the current kernel, version check
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| 133 | KERN_DIR := /lib/modules/$(shell uname -r)/build
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| 134 | ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
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| 135 | KERN_DIR := /usr/src/linux
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| 136 | ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
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| 137 | $(error Error: unable to find the sources of your current Linux kernel. \
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| 138 | Specify KERN_DIR=<directory> and run Make again)
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| 139 | endif
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| 140 | $(warning Warning: using /usr/src/linux as the source directory of your \
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| 141 | Linux kernel. If this is not correct, specify \
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| 142 | KERN_DIR=<directory> and run Make again.)
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| 143 | endif
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| 144 | # check if versions match -- works only for later 2.6 kernels
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| 145 | VBOX_KERN_VER := $(shell $(MAKE) -sC $(KERN_DIR) kernelrelease 2> /dev/null || true)
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| 146 | ifneq ($(VBOX_KERN_VER),)
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| 147 | ifneq ($(VBOX_KERN_VER),$(shell uname -r))
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| 148 | $(error Error: /usr/src/linux (version $(VBOX_KERN_VER)) does not match \
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| 149 | the current kernel (version $(shell uname -r)))
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| 150 | endif
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| 151 | endif
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| 152 | else
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| 153 | # build for a dedicated kernel, no version check
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| 154 | ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
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| 155 | $(error Error: KERN_DIR does not point to a directory)
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| 156 | endif
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| 157 | endif
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| 158 |
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| 159 | # includes
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| 160 | ifndef KERN_INCL
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| 161 | KERN_INCL = $(KERN_DIR)/include
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| 162 | endif
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| 163 | ifneq ($(shell if test -d $(KERN_INCL); then echo yes; fi),yes)
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| 164 | $(error Error: unable to find the include directory for your current Linux \
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| 165 | kernel. Specify KERN_INCL=<directory> and run Make again)
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| 166 | endif
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| 167 |
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| 168 | # module install dir, only for current kernel
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| 169 | ifneq ($(filter install install_rpm,$(MAKECMDGOALS)),)
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| 170 | ifndef MODULE_DIR
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| 171 | MODULE_DIR_TST := /lib/modules/$(shell uname -r)
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| 172 | ifeq ($(shell if test -d $(MODULE_DIR_TST); then echo yes; fi),yes)
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| 173 | MODULE_DIR := $(MODULE_DIR_TST)/misc
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| 174 | else
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| 175 | $(error Unable to find the folder to install the support driver to)
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| 176 | endif
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| 177 | endif # MODULE_DIR unspecified
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| 178 | endif
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| 179 |
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| 180 | else # neq($(KERNELRELEASE),)
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| 181 |
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| 182 | #
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| 183 | # building from kbuild (make -C <kernel_directory> M=`pwd`)
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| 184 | #
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| 185 |
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| 186 | endif # neq($(KERNELRELEASE),)
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| 187 |
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| 188 | # debug - show guesses.
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| 189 | ifdef DEBUG
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| 190 | $(warning dbg: KERN_DIR = $(KERN_DIR))
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| 191 | $(warning dbg: KERN_INCL = $(KERN_INCL))
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| 192 | $(warning dbg: MODULE_DIR = $(MODULE_DIR))
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| 193 | endif
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| 194 |
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| 195 | KBUILD_VERBOSE ?= 1
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| 196 |
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| 197 | #
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| 198 | # Compiler options
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| 199 | #
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| 200 | ifndef INCL
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| 201 | INCL := $(addprefix -I,$(KERN_INCL) $(EXTRA_INCL))
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| 202 | ifndef KBUILD_EXTMOD
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| 203 | KBUILD_EXTMOD := $(shell pwd)
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| 204 | endif
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| 205 | INCL += $(addprefix -I$(KBUILD_EXTMOD),/ /include /r0drv/linux)
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| 206 | export INCL
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| 207 | endif
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| 208 | KFLAGS := -D__KERNEL__ -DMODULE -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 -DIN_SUP_R0 -DVBOX -DRT_WITH_VBOX -DVBOX_WITH_HARDENING
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| 209 | ifdef VBOX_REDHAT_KABI
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| 210 | KFLAGS += -DVBOX_REDHAT_KABI
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| 211 | endif
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| 212 | ifeq ($(BUILD_TARGET_ARCH),amd64)
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| 213 | KFLAGS += -DRT_ARCH_AMD64
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| 214 | else
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| 215 | KFLAGS += -DRT_ARCH_X86
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| 216 | endif
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| 217 | # must be consistent with Config.kmk!
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| 218 | KFLAGS += -DVBOX_WITH_64_BITS_GUESTS
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| 219 | ifeq ($(BUILD_TYPE),debug)
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| 220 | KFLAGS += -DDEBUG -DDEBUG_$(USER) -g
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| 221 | # IPRT_DEBUG_SEMS indicates thread wrt sems state via the comm field.
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| 222 | KFLAGS += -DIPRT_DEBUG_SEMS
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| 223 | endif
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| 224 |
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| 225 | # By default we use remap_pfn_range() kernel API to make kernel pages
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| 226 | # visible for userland. Unfortuately, it leads to situation that
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| 227 | # during debug session all structures on that page (such as PVM pointer)
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| 228 | # are not accessible to the debugger (see #3214).
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| 229 | # This code enables experimental support
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| 230 | # for vm_insert_page() kernel API, allowing to export kernel pages
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| 231 | # to the userland in more debugger-friendly way. Due to stability
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| 232 | # concerns, not enabled by default yet.
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| 233 | ifdef VBOX_USE_INSERT_PAGE
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| 234 | KFLAGS += -DVBOX_USE_INSERT_PAGE
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| 235 | endif
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| 236 |
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| 237 | MODULE_EXT := ko
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| 238 | $(MODULE)-y := $(OBJS)
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| 239 |
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| 240 | # build defs
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| 241 | EXTRA_CFLAGS += $(INCL) $(KFLAGS) $(KDEBUG)
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| 242 |
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| 243 | all: $(MODULE)
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| 244 |
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| 245 | obj-m += $(MODULE).o
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| 246 |
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| 247 | $(MODULE):
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| 248 | $(MAKE) KBUILD_VERBOSE=$(KBUILD_VERBOSE) -C $(KERN_DIR) SUBDIRS=$(CURDIR) SRCROOT=$(CURDIR) modules
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| 249 |
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| 250 | install: $(MODULE)
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| 251 | @mkdir -p $(MODULE_DIR); \
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| 252 | install -m 0664 -o root -g root $(MODULE).$(MODULE_EXT) $(MODULE_DIR); \
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| 253 | PATH="$(PATH):/bin:/sbin" depmod -ae; \
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| 254 | rm -f /etc/vbox/module_not_compiled
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| 255 |
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| 256 | install_rpm: $(MODULE)
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| 257 | @mkdir -p $(MODULE_DIR); \
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| 258 | install -m 0664 $(MODULE).$(MODULE_EXT) $(MODULE_DIR)
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| 259 |
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| 260 | endif # eq($(MAKECMDGOALS),clean)
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| 261 |
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| 262 | # important: Don't remove Module.symvers! DKMS does 'make clean' before building ...
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| 263 | clean:
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| 264 | for f in . linux r0drv r0drv/linux VBox common/err common/string common/log generic math/gcc; \
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| 265 | do rm -f $$f/*.o $$f/.*.cmd $$f/.*.flags; done
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| 266 | rm -rf .vboxnetadp* .tmp_ver* vboxnetadp.* Modules.symvers modules.order
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