###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007-2014  IPFire Team <info@ipfire.org>                      #
#                                                                             #
# This program is free software: you can redistribute it and/or modify        #
# it under the terms of the GNU General Public License as published by        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program is distributed in the hope that it will be useful,             #
# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
# GNU General Public License for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

###############################################################################
# Definitions
###############################################################################

include Config

VER        = 3.10.33

RPI_PATCHES = linux-3.10.27-grsec-943b563
GRS_PATCHES = grsecurity-2.9.1-3.10.33-ipfire1.patch.xz

THISAPP    = linux-$(VER)
DL_FILE    = linux-$(VER).tar.xz
DL_FROM    = $(URL_IPFIRE)
DIR_APP    = $(DIR_SRC)/$(THISAPP)
CFLAGS     =
CXXFLAGS   =

PAK_VER    = 38
DEPS	   = ""

VERSUFIX=ipfire$(KCFG)

ifeq "$(TOOLS)" "1"
	TARGET = $(DIR_INFO)/linux-$(VER)-$(VERSUFIX)-tools
	HEADERS_PREFIX = /tools
else
	TARGET = $(DIR_INFO)/linux-$(VER)-$(VERSUFIX)
	HEADERS_PREFIX = /usr
endif

ifeq "$(MACHINE_TYPE)" "arm"
	HEADERS_ARCH=arm
else
	HEADERS_ARCH=x86
endif

ifeq "$(KCFG)" ""
LASTKERNEL=1
endif
ifeq "$(KCFG)" "-kirkwood"
LASTKERNEL=1
endif

###############################################################################
# Top-level Rules
###############################################################################
objects =$(DL_FILE) \
	rpi-patches-$(RPI_PATCHES).patch.xz \
	$(GRS_PATCHES)


$(DL_FILE)				= $(URL_IPFIRE)/$(DL_FILE)
rpi-patches-$(RPI_PATCHES).patch.xz	= $(URL_IPFIRE)/rpi-patches-$(RPI_PATCHES).patch.xz
$(GRS_PATCHES)				= $(URL_IPFIRE)/$(GRS_PATCHES)

$(DL_FILE)_MD5				= 01865f9c129f3c7eee51e25b3781a364
rpi-patches-$(RPI_PATCHES).patch.xz_MD5	= 8cf81f48408306d93ccee59b58af2e92
$(GRS_PATCHES)_MD5			= c99be0018e8bc55fb2e2b8f0ea9783d5

install : $(TARGET)

check : $(patsubst %,$(DIR_CHK)/%,$(objects))

download :$(patsubst %,$(DIR_DL)/%,$(objects))

md5 : $(subst %,%_MD5,$(objects))

dist:
	@$(PAK)
###############################################################################
# Downloading, checking, md5sum
###############################################################################

$(patsubst %,$(DIR_CHK)/%,$(objects)) :
	@$(CHECK)

$(patsubst %,$(DIR_DL)/%,$(objects)) :
	@$(LOAD)

$(subst %,%_MD5,$(objects)) :
	@$(MD5)

###############################################################################
# Installation Details
###############################################################################

$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
	@$(PREBUILD)
	@rm -rf $(DIR_APP) $(DIR_SRC)/linux && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)

	ln -svf linux-$(VER) $(DIR_SRC)/linux

	# Linux Intermediate Queueing Device
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-3.10.30-imq.patch

	# ipp2p 0.8.2-ipfire
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-3.10-ipp2p-0.8.2-ipfire.patch

	# Layer7-patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/netfilter_layer7_2.22_kernel3.10-no_proc_interface.patch

	# Grsecurity-patches
ifneq "$(KCFG)" "-headers"
	cd $(DIR_APP) && xz -c -d $(DIR_DL)/$(GRS_PATCHES) | patch -Np1
	cd $(DIR_APP) && rm localversion-grsec
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-3.7-disable-compat_vdso.patch
endif

	# Remove ACPI Blacklist message
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6-silence-acpi-blacklist.patch

	# DVB Patches
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-3.9-dvbsky-wot2.patch
	cd $(DIR_APP) && patch -Np2 < $(DIR_SRC)/src/patches/v4l-dvb_fix_tua6034_pll.patch

	# Wlan Patches
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/compat-drivers-3.8.3-ath_ignore_eeprom_regdomain.patch

	# mISDN Patches
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/mISDN_hfc-s_add_id.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/mISDN-hfcusb-reportl1down.patch

	# Add LED trigger
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-3.10.9-ledtrig-netdev-1.patch

	# cs5535audio spams syslog if no ac97 was present (geos router)
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-3.10.30_cs5535audio_fix_logspam_on_geos.patch

	# Add PC Engines APU led support
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-3.10-apu_leds.patch

	# Fix uevent PHYSDEVDRIVER
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-3.2.33_ipg-fix-driver-name.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6.32.27_mcs7830-fix-driver-name.patch


ifeq "$(KCFG)" "-kirkwood"
	# Add dreamplug,guruplug and icy 62x0  support on ARM-kirkwood
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-3.10.10-arm_kirkwood_setups.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-3.10.10-mv_cesa_disable_failing_hmac_sha1.patch
endif

ifeq "$(KCFG)" "-multi"
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-3.10.27-fs-exec-atomic64-operand-requires-impossible-reload.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-3.10-smsc95xx-add_mac_addr_param.patch

	# Patchset for Omap (beagle/panda).
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/0002-omap2-twl-common-Add-default-power-configuration.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/sakoman/0001-OMAP-DSS2-add-bootarg-for-selecting-svideo.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/sakoman/0002-video-add-timings-for-hd720.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/expansion/0001-Beagle-expansion-add-buddy-param-for-expansionboard-.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/expansion/0002-Beagle-expansion-add-zippy.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/expansion/0003-Beagle-expansion-add-zippy2.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/expansion/0004-Beagle-expansion-add-trainer.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/expansion/0005-Beagle-expansion-add-CircuitCo-ulcd-Support.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/expansion/0006-Beagle-expansion-add-wifi.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/expansion/0007-Beagle-expansion-add-beaglefpga.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/expansion/0008-Beagle-expansion-add-spidev.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/expansion/0009-Beagle-expansion-add-Aptina-li5m03-camera.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/expansion/0010-Beagle-expansion-add-LSR-COM6L-Adapter-Board.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/expansion/0011-Beagle-expansion-LSR-COM6L-Adapter-Board-also-initia.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/0001-meego-modedb-add-Toshiba-LTA070B220F-800x480-support.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/0002-backlight-Add-TLC59108-backlight-control-driver.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/0003-tlc59108-adjust-for-beagleboard-uLCD7.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/0004-zeroMAP-Open-your-eyes.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/0005-ARM-OMAP-Beagle-use-TWL4030-generic-reset-script.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/beagle/0006-DSS2-use-DSI-PLL-for-DPI-with-OMAP3.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/panda/0001-panda-fix-wl12xx-regulator.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/panda/0002-ti-st-st-kim-fixing-firmware-path.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/panda/0003-Panda-expansion-add-spidev.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/panda/0004-HACK-PandaES-disable-cpufreq-so-board-will-boot.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/panda/0006-ARM-hw_breakpoint-Enable-debug-powerdown-only-if-sys.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/panda/0007-Revert-regulator-twl-Remove-TWL6030_FIXED_RESOURCE.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/panda/0008-Revert-regulator-twl-Remove-another-unused-variable-.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/panda/0009-Revert-regulator-twl-Remove-references-to-the-twl403.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/panda/0010-Revert-regulator-twl-Remove-references-to-32kHz-cloc.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/panda/0011-panda-spidev-setup-pinmux.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/omap/sgx/0001-arm-Export-cache-flush-management-symbols-when-MULTI.patch

	# Patchset for Wandboard.
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/dts/0001-imx6qdl-wandboard-dts-backport.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/dts/0002-ARM-dts-imx6qdl-wandboard-add-gpio-lines-to-wandboar.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/dts/0003-ARM-dts-imx6qdl-wandboard-Add-support-for-i2c1.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/dts/0004-ARM-dts-wandboard-add-binding-for-wand-rfkill-driver.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/dts/0005-ARM-dts-imx6qdl-add-pcie-device-node.patch

	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0001-i2c-imx-retry-on-NAK.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0002-i.MX6-Wandboard-add-CKO1-clock-output.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0003-thermal-add-imx-thermal-driver-support.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0004-ARM-i.MX6-Wandboard-add-wifi-bt-rfkill-driver.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0005-Add-IMX6Q-AHCI-support.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0006-imx-Add-IMX53-AHCI-support.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0007-imx6-enable-sata-clk-if-SATA_AHCI_PLATFORM.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0008-ARM-imx6q-update-the-sata-bits-definitions-of-gpr13.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0009-ahci_imx-add-ahci-sata-support-on-imx-platforms.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0010-ahci_imx-depend-on-CONFIG_MFD_SYSCON.patch
	cd $(DIR_APP) && patch -Np0 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0011-add-pcie-designware.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0012-pcie-backport-fixes.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0013-of-pci-Provide-support-for-parsing-PCI-DT-ranges-pro.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0014-ARM-imx6q-Add-PCIe-bits-to-GPR-syscon-definition.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0015-PCI-imx6-Add-support-for-i.MX6-PCIe-controller.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0016-imx6-pci-tweaks.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0017-ARM-imx-Add-LVDS-general-purpose-clocks-to-i.MX6Q.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/wandboard/imx/0018-ARM-imx6q-clock-and-Kconfig-update-for-PCIe-support.patch

	# Patchset for Compulab Utilite.
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/kernel/utilite/linux-3.10-compulab-utilite-support.patch
endif

ifeq "$(KCFG)" "-rpi"
	# Apply Raspberry Pi kernel patches.
	cd $(DIR_APP) && xzcat $(DIR_DL)/rpi-patches-$(RPI_PATCHES).patch.xz | patch -Np1
endif

ifeq "$(KCFG)" "-headers"
	# Install the header files
	cd $(DIR_APP) && make ARCH=$(HEADERS_ARCH) INSTALL_HDR_PATH=dest headers_install
	-mkdir -pv $(BUILDROOT)/$(HEADERS_PREFIX)/include
	cd $(DIR_APP) && find dest/include \( -name .install -o -name ..install.cmd \) -delete
	cd $(DIR_APP) && cp -rv dest/include/* $(BUILDROOT)/$(HEADERS_PREFIX)/include
else

	# Install ipfire logo
	cd $(DIR_APP) && cp -vf $(DIR_SRC)/config/kernel/ipfire_logo.ppm \
		drivers/video/logo/logo_linux_clut224.ppm

	# Cleanup kernel source
	cp $(DIR_SRC)/config/kernel/kernel.config.$(MACHINE)-$(VERSUFIX) $(DIR_APP)/.config
	cd $(DIR_APP) && make CC="$(KGCC)" oldconfig
	cd $(DIR_APP) && make CC="$(KGCC)" clean
	cd $(DIR_APP) && sed -i -e 's/EXTRAVERSION\ =.*/EXTRAVERSION\ =\ -$(VERSUFIX)/' Makefile

ifeq "$(KCFG)" "-kirkwood"
	cd $(DIR_APP) && make $(MAKETUNING) CC="$(KGCC)" uImage modules
	cd $(DIR_APP) && cp -v arch/arm/boot/uImage /boot/vmlinuz-$(VER)-$(VERSUFIX)
	cd $(DIR_APP) && cp -v arch/arm/boot/uImage /boot/uImage-$(VERSUFIX)
else
ifeq "$(KCFG)" "-multi"
	cd $(DIR_APP) && make $(MAKETUNING) CC="$(KGCC)" zImage modules
	cd $(DIR_APP) && cp -v arch/arm/boot/zImage /boot/vmlinuz-$(VER)-$(VERSUFIX)
	cd $(DIR_APP) && cp -v arch/arm/boot/zImage /boot/zImage-$(VERSUFIX)
else
ifeq "$(KCFG)" "-rpi"
	cd $(DIR_APP) && make $(MAKETUNING) CC="$(KGCC)" zImage modules
	cd $(DIR_APP) && cp -v arch/arm/boot/zImage /boot/vmlinuz-$(VER)-$(VERSUFIX)
	cd $(DIR_APP) && cp -v arch/arm/boot/zImage /boot/kernel.img
else
	cd $(DIR_APP) && make $(MAKETUNING) CC="$(KGCC)" bzImage modules
	cd $(DIR_APP) && cp -v arch/i386/boot/bzImage /boot/vmlinuz-$(VER)-$(VERSUFIX)
	ln -sf vmlinuz-$(VER)-$(VERSUFIX) /boot/vmlinuz-$(VERSUFIX)
endif
endif
endif
	cd $(DIR_APP) && cp -v System.map /boot/System.map-$(VER)-$(VERSUFIX)
	cd $(DIR_APP) && cp -v .config /boot/config-$(VER)-$(VERSUFIX)
	ln -sf System.map-$(VER)-$(VERSUFIX) /boot/System.map-$(VERSUFIX)
	cd $(DIR_APP) && make CC="$(KGCC)" $(MAKETUNING) modules_install
	cd $(DIR_APP) && make CC="$(KGCC)" $(MAKETUNING) firmware_install

ifeq "$(MACHINE_TYPE)" "arm"
	cd $(DIR_APP) && make CC="$(KGCC)" $(MAKETUNING) dtbs
	cd $(DIR_APP) && for f in $$(find arch/arm/boot/dts/ -name *.dtb); do \
				mkdir -p /boot/dtb-$(VER)-$(VERSUFIX) ; \
				install -m 644 $$f /boot/dtb-$(VER)-$(VERSUFIX)/ ; \
			done
endif

ifeq "$(LASTKERNEL)" "1"
	# Only do this once
	cd $(DIR_APP) && install -m 755 usr/gen_init_cpio /sbin/

	# Blacklist matroxfb_base
	echo "blacklist matroxfb_base" >> /etc/modprobe.d/framebuffer.conf
	# Blacklist old framebuffer modules
	for f in $$(find /lib/modules/$(VER)-$(VERSUFIX)/kernel/drivers/video -name *fb.ko); do \
		echo "blacklist $$(basename $$f)" >> /etc/modprobe.d/framebuffer.conf ; \
	done
	# Blacklist new drm framebuffer modules
	for f in $$(ls -1 /lib/modules/$(VER)-$(VERSUFIX)/kernel/drivers/gpu/drm/*/*.ko); do \
		echo "blacklist $$(basename $$f)" >> /etc/modprobe.d/framebuffer.conf ; \
	done
	sed -i -e "s|.ko||g" /etc/modprobe.d/framebuffer.conf

	# Blacklist isdn modules
	for f in $$(find /lib/modules/$(VER)-$(VERSUFIX)/kernel/drivers/isdn -name *.ko); do \
		echo "blacklist $$(basename $$f)" >> /etc/modprobe.d/isdn.conf ; \
	done
	sed -i -e "s|.ko||g" /etc/modprobe.d/isdn.conf

	# Disable ipv6 at runtime
	echo "options ipv6 disable_ipv6=1" > /etc/modprobe.d/ipv6.conf
endif
endif

	@rm -rf $(DIR_SRC)/patch-o-matic* $(DIR_SRC)/iptables* $(DIR_SRC)/squashfs* $(DIR_SRC)/netfilter-layer7-*
	@$(POSTBUILD)