lfs/linux

   1 ###############################################################################
   2 #                                                                             #
   3 # IPFire.org - A linux based firewall                                         #
   4 # Copyright (C) 2007-2024  IPFire Team  <info@ipfire.org>                     #
   5 #                                                                             #
   6 # This program is free software: you can redistribute it and/or modify        #
   7 # it under the terms of the GNU General Public License as published by        #
   8 # the Free Software Foundation, either version 3 of the License, or           #
   9 # (at your option) any later version.                                         #
  10 #                                                                             #
  11 # This program is distributed in the hope that it will be useful,             #
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  14 # GNU General Public License for more details.                                #
  15 #                                                                             #
  16 # You should have received a copy of the GNU General Public License           #
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  18 #                                                                             #
  19 ###############################################################################
  20
  21 ###############################################################################
  22 # Definitions
  23 ###############################################################################
  24
  25 include Config
  26
  27 VER         = 6.6.15
  28
  29 THISAPP    = linux-$(VER)
  30 DL_FILE    = linux-$(VER).tar.xz
  31 DL_FROM    = $(URL_IPFIRE)
  32 DIR_APP    = $(DIR_SRC)/$(THISAPP)
  33 CFLAGS     =
  34 CXXFLAGS   =
  35
  36 HEADERS_ARCH  = $(BUILD_PLATFORM)
  37 KERNEL_ARCH   = $(BUILD_ARCH)
  38 KERNEL_TARGET = bzImage
  39
  40 ifeq "$(BUILD_ARCH)" "aarch64"
  41         HEADERS_ARCH = arm64
  42         KERNEL_ARCH  = arm64
  43         KERNEL_TARGET = Image
  44 endif
  45
  46 ifeq "$(BUILD_ARCH)" "riscv64"
  47         KERNEL_ARCH   = riscv
  48         KERNEL_TARGET = Image.gz
  49 endif
  50
  51 VERSUFIX=ipfire$(KCFG)
  52
  53 ifeq "$(TOOLCHAIN)" "1"
  54         TARGET = $(DIR_INFO)/linux-$(VER)-$(VERSUFIX)-tools
  55         HEADERS_PREFIX = $(TOOLS_DIR)
  56         EXTRAMAKE = CROSS_COMPILE=$(CROSSTARGET)-
  57 else
  58         TARGET = $(DIR_INFO)/linux-$(VER)-$(VERSUFIX)
  59         HEADERS_PREFIX = /usr
  60 endif
  61
  62 ifeq "$(KCFG)" ""
  63 LASTKERNEL=1
  64 endif
  65
  66 ###############################################################################
  67 # Top-level Rules
  68 ###############################################################################
  69
  70 objects = \
  71         $(DL_FILE)
  72
  73 $(DL_FILE) = $(URL_IPFIRE)/$(DL_FILE)
  74
  75 $(DL_FILE)_BLAKE2 = a630bc7b2463bdc312f8936210a54e92bbe4136fc78995c18d0ccafbcdb27cce5b7b0d4a6ba10c378e14e86855ee7e76e355acc0580f7441e4df64e7dbd8a4b7
  76
  77 install : $(TARGET)
  78
  79 check : $(patsubst %,$(DIR_CHK)/%,$(objects))
  80
  81 download :$(patsubst %,$(DIR_DL)/%,$(objects))
  82
  83 b2 : $(subst %,%_BLAKE2,$(objects))
  84
  85 dist:
  86         @$(PAK)
  87
  88 ###############################################################################
  89 # Downloading, checking, b2sum
  90 ###############################################################################
  91
  92 $(patsubst %,$(DIR_CHK)/%,$(objects)) :
  93         @$(CHECK)
  94
  95 $(patsubst %,$(DIR_DL)/%,$(objects)) :
  96         @$(LOAD)
  97
  98 $(subst %,%_BLAKE2,$(objects)) :
  99         @$(B2SUM)
 100
 101 ###############################################################################
 102 # Installation Details
 103 ###############################################################################
 104
 105 $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
 106         @$(PREBUILD)
 107         @rm -rf $(DIR_APP) $(DIR_SRC)/linux && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
 108
 109         ln -svf linux-$(VER) $(DIR_SRC)/linux
 110
 111         # Layer7-patch
 112         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-6.6-layer7.patch
 113
 114         # DVB Patches
 115         cd $(DIR_APP) && patch -Np2 < $(DIR_SRC)/src/patches/v4l-dvb_fix_tua6034_pll.patch
 116
 117         # Wlan Patches
 118         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-4.14_ath_user_regd.patch
 119         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-4.9.8-iwlwifi-noibss_only_on_radar_chan.patch
 120
 121         # Fix igb and e1000e crash
 122         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-4.14.1-igb-e1000e_fix_lock_at_update_stats.patch
 123
 124         # Fix uevent PHYSDEVDRIVER
 125         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-2.6.32.27_mcs7830-fix-driver-name.patch
 126
 127         # fix Boot with enabled usercopy hardening
 128         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-5.9-crypto_testmgr_allocate_buffers_with____GFP_COMP.patch
 129
 130         # Patch performance monitoring restrictions to allow further hardening
 131         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-5.15.17-security-perf-allow-further-restriction-of-perf_event_open.patch
 132
 133         # https://bugzilla.ipfire.org/show_bug.cgi?id=12760
 134         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-5.15-NFQUEUE-Hold-RCU-read-lock-while-calling-nf_reinject.patch
 135
 136         # Fix external module compile
 137         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-6.0-fix_external_module_build.patch
 138
 139 ifeq "$(BUILD_ARCH)" "aarch64"
 140         # Apply Arm kernel patches.
 141         cd $(DIR_APP) && cat patch $(DIR_SRC)/src/patches/linux/aarch64/* | patch -Np1
 142 endif
 143         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-3.14.79-amba-fix.patch
 144
 145 ifeq "$(KCFG)" "-headers"
 146         # Install the header files
 147         cd $(DIR_APP) && make ARCH=$(HEADERS_ARCH) $(EXTRAMAKE) headers
 148         -mkdir -pv $(BUILDROOT)/$(HEADERS_PREFIX)/include
 149         cd $(DIR_APP) && find usr/include -name '.*' -delete
 150         cd $(DIR_APP) && rm usr/include/Makefile
 151         cd $(DIR_APP) && cp -rv usr/include/* $(BUILDROOT)/$(HEADERS_PREFIX)/include
 152 else
 153
 154         # Install ipfire logo
 155         cd $(DIR_APP) && cp -vf $(DIR_SRC)/config/kernel/ipfire_logo.ppm \
 156                 drivers/video/logo/logo_linux_clut224.ppm
 157
 158         # Cleanup kernel source
 159         cp $(DIR_SRC)/config/kernel/kernel.config.$(BUILD_ARCH)-$(VERSUFIX) $(DIR_APP)/.config
 160         cd $(DIR_APP) && make oldconfig
 161         cd $(DIR_APP) && make clean
 162         cd $(DIR_APP) && sed -i -e 's/EXTRAVERSION\ =.*/EXTRAVERSION\ =\ -$(VERSUFIX)/' Makefile
 163
 164         # Copy Module signing key configuration
 165         cp -f $(DIR_SRC)/config/kernel/x509.genkey $(DIR_APP)/certs/x509.genkey
 166
 167         # Remove modules folder if exists
 168         rm -rf /lib/modules/$(VER)-$(VERSUFIX)
 169
 170         # Build the kernel
 171         cd $(DIR_APP) && make $(MAKETUNING) $(KERNEL_TARGET) modules
 172
 173         # Install the kernel
 174         cd $(DIR_APP) && cp -v arch/$(KERNEL_ARCH)/boot/$(KERNEL_TARGET) /boot/vmlinuz-$(VER)-$(VERSUFIX)
 175         cd $(DIR_APP) && cp -v System.map /boot/System.map-$(VER)-$(VERSUFIX)
 176         cd $(DIR_APP) && cp -v .config /boot/config-$(VER)-$(VERSUFIX)
 177         cd $(DIR_APP) && make $(MAKETUNING) modules_install
 178
 179 ifneq "$(BUILD_PLATFORM)" "x86"
 180         cd $(DIR_APP) && make $(MAKETUNING) dtbs
 181         mkdir -p /boot/dtb-$(VER)-$(VERSUFIX)
 182         cd $(DIR_APP)/arch/$(KERNEL_ARCH)/boot/dts && for f in $$(find -name "*.dtb"); do \
 183                                 cp -v --parents $$f /boot/dtb-$(VER)-$(VERSUFIX)/ ; \
 184                                 chmod 644 /boot/dtb-$(VER)-$(VERSUFIX)/$$f ; \
 185                         done
 186 endif
 187
 188         # Recreate source and build links
 189         rm -rf /lib/modules/$(VER)-$(VERSUFIX)/{build,source}
 190         mkdir -p /lib/modules/$(VER)-$(VERSUFIX)/build
 191         ln -sf build /lib/modules/$(VER)-$(VERSUFIX)/source
 192
 193         # Create dirs for extra modules
 194         mkdir -p /lib/modules/$(VER)-$(VERSUFIX)/extra
 195
 196         cd $(DIR_APP) && cp --parents $$(find -type f -name "Makefile*" -o -name "Kconfig*") \
 197                 /lib/modules/$(VER)-$(VERSUFIX)/build
 198         cd $(DIR_APP) && cp Module.symvers System.map /lib/modules/$(VER)-$(VERSUFIX)/build
 199         rm -rf /lib/modules/$(VER)-$(VERSUFIX)/build/{Documentation,scripts,include}
 200
 201         cd $(DIR_APP) && cp .config /lib/modules/$(VER)-$(VERSUFIX)/build
 202         cd $(DIR_APP) && cp -a scripts /lib/modules/$(VER)-$(VERSUFIX)/build
 203         find /lib/modules/$(VER)-$(VERSUFIX)/build/scripts -name "*.o" -exec rm -vf {} \;
 204
 205         cd $(DIR_APP) && cp -a --parents arch/$(HEADERS_ARCH)/include /lib/modules/$(VER)-$(VERSUFIX)/build
 206         cd $(DIR_APP) && cp -a include /lib/modules/$(VER)-$(VERSUFIX)/build/include
 207
 208         # Copy module signing key for off tree modules
 209         cd $(DIR_APP) && cp -f certs/signing_key.* /lib/modules/$(VER)-$(VERSUFIX)/build/certs/
 210
 211         # Install objtool
 212         cd $(DIR_APP) && cp -a tools/objtool/objtool \
 213                 /lib/modules/$(VER)-$(VERSUFIX)/build/tools/objtool/ || :
 214         cd $(DIR_APP) && cp -a --parents tools/build/{Build,Build.include,fixdep.c} \
 215                 tools/scripts/utilities.mak /lib/modules/$(VER)-$(VERSUFIX)/build
 216
 217         # Make sure we can build external modules
 218         touch -r /lib/modules/$(VER)-$(VERSUFIX)/build/Makefile \
 219                 /lib/modules/$(VER)-$(VERSUFIX)/build/include/generated/uapi/linux/version.h
 220         touch -r /lib/modules/$(VER)-$(VERSUFIX)/build/.config \
 221                 /lib/modules/$(VER)-$(VERSUFIX)/build/autoconf.h
 222         cp /lib/modules/$(VER)-$(VERSUFIX)/build/.config \
 223                 /lib/modules/$(VER)-$(VERSUFIX)/build/include/config/auto.conf
 224
 225         # Fix permissions
 226         find /lib/modules/$(VER)-$(VERSUFIX) -name "modules.order" \
 227                 -exec chmod 644 {} \;
 228
 229         find /lib/modules/$(VER)-$(VERSUFIX) -name ".*.cmd" -exec rm -f {} \;
 230
 231 ifeq "$(LASTKERNEL)" "1"
 232         # Only do this once
 233         cd $(DIR_APP) && install -m 755 usr/gen_init_cpio /sbin/
 234
 235         # disable drm by install drm to /bin/false because i915 ignore blacklisting
 236         echo install drm /bin/false > /etc/modprobe.d/framebuffer.conf
 237
 238         # Blacklist old framebuffer modules
 239         for f in $$(find /lib/modules/$(VER)-$(VERSUFIX)/kernel/drivers/video/fbdev/ -name *.ko.xz); do \
 240                 echo "blacklist $$(basename $$f)" >> /etc/modprobe.d/framebuffer.conf ; \
 241         done
 242         # Blacklist new drm framebuffer modules
 243         for f in $$(find /lib/modules/$(VER)-$(VERSUFIX)/kernel/drivers/gpu/drm -name *.ko.xz); do \
 244                 echo "blacklist $$(basename $$f)" >> /etc/modprobe.d/framebuffer.conf ; \
 245         done
 246         sed -i -e "s|.ko.xz||g" /etc/modprobe.d/framebuffer.conf
 247
 248         # Disable ipv6 at runtime
 249         echo "options ipv6 disable_ipv6=1" > /etc/modprobe.d/ipv6.conf
 250 endif
 251 endif
 252
 253         #force new build of external modules and initrd if the kernel was rebuild
 254         -rm -f /usr/src/log/*-kmod-$(VER)-$(VERSUFIX)
 255         -rm -f /usr/src/log/linux-initrd-$(VER)-$(VERSUFIX)
 256
 257         @rm -rf $(DIR_APP) $(DIR_SRC)/linux
 258         @$(POSTBUILD)