lfs/linux

   1 ###############################################################################
   2 #                                                                             #
   3 # IPFire.org - A linux based firewall                                         #
   4 # Copyright (C) 2007-2022  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         = 5.15.32
  28 ARM_PATCHES = 5.15-ipfire5
  29
  30 THISAPP    = linux-$(VER)
  31 DL_FILE    = linux-$(VER).tar.xz
  32 DL_FROM    = $(URL_IPFIRE)
  33 DIR_APP    = $(DIR_SRC)/$(THISAPP)
  34 CFLAGS     =
  35 CXXFLAGS   =
  36
  37 HEADERS_ARCH  = $(BUILD_PLATFORM)
  38 KERNEL_ARCH   = $(BUILD_ARCH)
  39 KERNEL_TARGET = bzImage
  40
  41 ifeq "$(BUILD_ARCH)" "aarch64"
  42         HEADERS_ARCH = arm64
  43         KERNEL_ARCH  = arm64
  44         KERNEL_TARGET = Image
  45 endif
  46
  47 ifeq "$(BUILD_ARCH)" "armv6l"
  48         KERNEL_ARCH  = arm
  49         KERNEL_TARGET = zImage
  50 endif
  51
  52 ifeq "$(BUILD_ARCH)" "riscv64"
  53         KERNEL_ARCH   = riscv
  54         KERNEL_TARGET = Image.gz
  55 endif
  56
  57 VERSUFIX=ipfire$(KCFG)
  58
  59 ifeq "$(TOOLCHAIN)" "1"
  60         TARGET = $(DIR_INFO)/linux-$(VER)-$(VERSUFIX)-tools
  61         HEADERS_PREFIX = $(TOOLS_DIR)
  62         EXTRAMAKE = CROSS_COMPILE=$(CROSSTARGET)-
  63 else
  64         TARGET = $(DIR_INFO)/linux-$(VER)-$(VERSUFIX)
  65         HEADERS_PREFIX = /usr
  66 endif
  67
  68 ifeq "$(KCFG)" ""
  69 LASTKERNEL=1
  70 endif
  71
  72 ###############################################################################
  73 # Top-level Rules
  74 ###############################################################################
  75 objects =$(DL_FILE) \
  76         arm-multi-patches-$(ARM_PATCHES).patch.xz
  77
  78 $(DL_FILE)                                      = $(URL_IPFIRE)/$(DL_FILE)
  79 arm-multi-patches-$(ARM_PATCHES).patch.xz       = $(URL_IPFIRE)/arm-multi-patches-$(ARM_PATCHES).patch.xz
  80
  81 $(DL_FILE)_BLAKE2 = 37db43d3fae8d56cfc9b4f9bd3a76f450b401cbe643c89191de4ab442cc0910fa2d67f2cddd2069d517fb426f6437ff7e05b43ff2a314da04f883d25e354dff2
  82 arm-multi-patches-$(ARM_PATCHES).patch.xz_BLAKE2 = 58a70e757a9121a0aac83604a37aa787ec7ac0ee4970c5a3ac3bcb2dbaca32b00089cae6c0da5cf2fe0a2e156427b5165c6a86e0371a3e896f4c7cdd699c34a0
  83
  84 install : $(TARGET)
  85
  86 check : $(patsubst %,$(DIR_CHK)/%,$(objects))
  87
  88 download :$(patsubst %,$(DIR_DL)/%,$(objects))
  89
  90 b2 : $(subst %,%_BLAKE2,$(objects))
  91
  92 dist:
  93         @$(PAK)
  94
  95 ###############################################################################
  96 # Downloading, checking, b2sum
  97 ###############################################################################
  98
  99 $(patsubst %,$(DIR_CHK)/%,$(objects)) :
 100         @$(CHECK)
 101
 102 $(patsubst %,$(DIR_DL)/%,$(objects)) :
 103         @$(LOAD)
 104
 105 $(subst %,%_BLAKE2,$(objects)) :
 106         @$(B2SUM)
 107
 108 ###############################################################################
 109 # Installation Details
 110 ###############################################################################
 111
 112 $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
 113         @$(PREBUILD)
 114         @rm -rf $(DIR_APP) $(DIR_SRC)/linux && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
 115
 116         ln -svf linux-$(VER) $(DIR_SRC)/linux
 117
 118         # Layer7-patch
 119         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-5.15.17-layer7.patch
 120
 121         # DVB Patches
 122         cd $(DIR_APP) && patch -Np2 < $(DIR_SRC)/src/patches/v4l-dvb_fix_tua6034_pll.patch
 123
 124         # Wlan Patches
 125         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-4.14_ath_user_regd.patch
 126         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-4.9.8-iwlwifi-noibss_only_on_radar_chan.patch
 127
 128         # Fix igb and e1000e crash
 129         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-4.14.1-igb-e1000e_fix_lock_at_update_stats.patch
 130
 131         # cs5535audio spams syslog if no ac97 was present (geos router)
 132         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-4.9.8_cs5535audio_fix_logspam_on_geos.patch
 133
 134         # Fix uevent PHYSDEVDRIVER
 135         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-2.6.32.27_mcs7830-fix-driver-name.patch
 136
 137         # fix Boot with enabled usercopy hardening
 138         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-5.9-crypto_testmgr_allocate_buffers_with____GFP_COMP.patch
 139
 140         # Patch performance monitoring restrictions to allow further hardening
 141         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-5.15.17-security-perf-allow-further-restriction-of-perf_event_open.patch
 142
 143         # https://bugzilla.ipfire.org/show_bug.cgi?id=12760
 144         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-5.15-NFQUEUE-Hold-RCU-read-lock-while-calling-nf_reinject.patch
 145
 146         # Unfortunately, /dev/io access is needed for firmware flashing; patch out LSM part in ioport.c
 147         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-5.15.32-disable_lsm_for_ioport_access.patch
 148
 149 ifeq "$(BUILD_ARCH)" "armv6l"
 150         # Apply Arm-multiarch kernel patches.
 151         cd $(DIR_APP) && xzcat $(DIR_DL)/arm-multi-patches-$(ARM_PATCHES).patch.xz | patch -Np1
 152 endif
 153 ifeq "$(BUILD_ARCH)" "aarch64"
 154         # Apply Arm-multiarch kernel patches.
 155         cd $(DIR_APP) && xzcat $(DIR_DL)/arm-multi-patches-$(ARM_PATCHES).patch.xz | patch -Np1
 156 endif
 157         cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-3.14.79-amba-fix.patch
 158
 159 ifeq "$(KCFG)" "-headers"
 160         # Install the header files
 161         cd $(DIR_APP) && make ARCH=$(HEADERS_ARCH) $(EXTRAMAKE) headers
 162         -mkdir -pv $(BUILDROOT)/$(HEADERS_PREFIX)/include
 163         cd $(DIR_APP) && find usr/include -name '.*' -delete
 164         cd $(DIR_APP) && rm usr/include/Makefile
 165         cd $(DIR_APP) && cp -rv usr/include/* $(BUILDROOT)/$(HEADERS_PREFIX)/include
 166 else
 167
 168         # Install ipfire logo
 169         cd $(DIR_APP) && cp -vf $(DIR_SRC)/config/kernel/ipfire_logo.ppm \
 170                 drivers/video/logo/logo_linux_clut224.ppm
 171
 172         # Cleanup kernel source
 173         cp $(DIR_SRC)/config/kernel/kernel.config.$(BUILD_ARCH)-$(VERSUFIX) $(DIR_APP)/.config
 174         cd $(DIR_APP) && make oldconfig
 175         cd $(DIR_APP) && make clean
 176         cd $(DIR_APP) && sed -i -e 's/EXTRAVERSION\ =.*/EXTRAVERSION\ =\ -$(VERSUFIX)/' Makefile
 177
 178         # Copy Module signing key configuration
 179         cp -f $(DIR_SRC)/config/kernel/x509.genkey $(DIR_APP)/certs/x509.genkey
 180
 181         # Remove modules folder if exists
 182         rm -rf /lib/modules/$(VER)-$(VERSUFIX)
 183
 184         # Build the kernel
 185         cd $(DIR_APP) && make $(MAKETUNING) $(KERNEL_TARGET) modules
 186
 187         # Install the kernel
 188         cd $(DIR_APP) && cp -v arch/$(KERNEL_ARCH)/boot/$(KERNEL_TARGET) /boot/vmlinuz-$(VER)-$(VERSUFIX)
 189         cd $(DIR_APP) && cp -v System.map /boot/System.map-$(VER)-$(VERSUFIX)
 190         cd $(DIR_APP) && cp -v .config /boot/config-$(VER)-$(VERSUFIX)
 191         cd $(DIR_APP) && make $(MAKETUNING) modules_install
 192
 193 ifeq "$(BUILD_PLATFORM)" "arm"
 194         cd $(DIR_APP) && make $(MAKETUNING) dtbs
 195         mkdir -p /boot/dtb-$(VER)-$(VERSUFIX)
 196         cd $(DIR_APP)/arch/$(KERNEL_ARCH)/boot/dts && for f in $$(find -name "*.dtb"); do \
 197                                 cp -v --parents $$f /boot/dtb-$(VER)-$(VERSUFIX)/ ; \
 198                                 chmod 644 /boot/dtb-$(VER)-$(VERSUFIX)/$$f ; \
 199                         done
 200 endif
 201
 202         # Recreate source and build links
 203         rm -rf /lib/modules/$(VER)-$(VERSUFIX)/{build,source}
 204         mkdir -p /lib/modules/$(VER)-$(VERSUFIX)/build
 205         ln -sf build /lib/modules/$(VER)-$(VERSUFIX)/source
 206
 207         # Create dirs for extra modules
 208         mkdir -p /lib/modules/$(VER)-$(VERSUFIX)/extra
 209
 210         cd $(DIR_APP) && cp --parents $$(find -type f -name "Makefile*" -o -name "Kconfig*") \
 211                 /lib/modules/$(VER)-$(VERSUFIX)/build
 212         cd $(DIR_APP) && cp Module.symvers System.map /lib/modules/$(VER)-$(VERSUFIX)/build
 213         rm -rf /lib/modules/$(VER)-$(VERSUFIX)/build/{Documentation,scripts,include}
 214
 215         cd $(DIR_APP) && cp .config /lib/modules/$(VER)-$(VERSUFIX)/build
 216         cd $(DIR_APP) && cp -a scripts /lib/modules/$(VER)-$(VERSUFIX)/build
 217         find /lib/modules/$(VER)-$(VERSUFIX)/build/scripts -name "*.o" -exec rm -vf {} \;
 218
 219         cd $(DIR_APP) && cp -a --parents arch/$(HEADERS_ARCH)/include /lib/modules/$(VER)-$(VERSUFIX)/build
 220         cd $(DIR_APP) && cp -a include /lib/modules/$(VER)-$(VERSUFIX)/build/include
 221
 222         # Copy module signing key for off tree modules
 223         cd $(DIR_APP) && cp -f certs/signing_key.* /lib/modules/$(VER)-$(VERSUFIX)/build/certs/
 224
 225         # Install objtool
 226         cd $(DIR_APP) && cp -a tools/objtool/objtool \
 227                 /lib/modules/$(VER)-$(VERSUFIX)/build/tools/objtool/ || :
 228         cd $(DIR_APP) && cp -a --parents tools/build/{Build,Build.include,fixdep.c} \
 229                 tools/scripts/utilities.mak /lib/modules/$(VER)-$(VERSUFIX)/build
 230
 231         # Make sure we can build external modules
 232         touch -r /lib/modules/$(VER)-$(VERSUFIX)/build/Makefile \
 233                 /lib/modules/$(VER)-$(VERSUFIX)/build/include/generated/uapi/linux/version.h
 234         touch -r /lib/modules/$(VER)-$(VERSUFIX)/build/.config \
 235                 /lib/modules/$(VER)-$(VERSUFIX)/build/autoconf.h
 236         cp /lib/modules/$(VER)-$(VERSUFIX)/build/.config \
 237                 /lib/modules/$(VER)-$(VERSUFIX)/build/include/config/auto.conf
 238
 239         # Fix permissions
 240         find /lib/modules/$(VER)-$(VERSUFIX) -name "modules.order" \
 241                 -exec chmod 644 {} \;
 242
 243         find /lib/modules/$(VER)-$(VERSUFIX) -name ".*.cmd" -exec rm -f {} \;
 244
 245 ifeq "$(LASTKERNEL)" "1"
 246         # Only do this once
 247         cd $(DIR_APP) && install -m 755 usr/gen_init_cpio /sbin/
 248
 249         # disable drm by install drm to /bin/false because i915 ignore blacklisting
 250         echo install drm /bin/false > /etc/modprobe.d/framebuffer.conf
 251
 252         # Blacklist old framebuffer modules
 253         for f in $$(find /lib/modules/$(VER)-$(VERSUFIX)/kernel/drivers/video/fbdev/ -name *.ko.xz); do \
 254                 echo "blacklist $$(basename $$f)" >> /etc/modprobe.d/framebuffer.conf ; \
 255         done
 256         # Blacklist new drm framebuffer modules
 257         for f in $$(find /lib/modules/$(VER)-$(VERSUFIX)/kernel/drivers/gpu/drm -name *.ko.xz); do \
 258                 echo "blacklist $$(basename $$f)" >> /etc/modprobe.d/framebuffer.conf ; \
 259         done
 260         sed -i -e "s|.ko.xz||g" /etc/modprobe.d/framebuffer.conf
 261
 262         # Disable ipv6 at runtime
 263         echo "options ipv6 disable_ipv6=1" > /etc/modprobe.d/ipv6.conf
 264 endif
 265 endif
 266
 267         #force new build of external modules and initrd if the kernel was rebuild
 268         -rm -f /usr/src/log/*-kmod-$(VER)-$(VERSUFIX)
 269         -rm -f /usr/src/log/linux-initrd-$(VER)-$(VERSUFIX)
 270
 271         @rm -rf $(DIR_APP) $(DIR_SRC)/linux
 272         @$(POSTBUILD)