| 1 | # |
| 2 | # src/kernel/Makefile |
| 3 | # |
| 4 | |
| 5 | TARGET = arm-crux-linux-gnueabihf |
| 6 | |
| 7 | PWD = $(shell pwd) |
| 8 | WORK = $(PWD)/work |
| 9 | CROSSTOOLS = /devel/crux-arm/toolchain/crosstools |
| 10 | |
| 11 | KERNEL_BRANCH = 4.5.y |
| 12 | KERNEL_VERSION = 4.5.4 |
| 13 | PATCH_VERSION = 20160513 |
| 14 | |
| 15 | CONFIG_FILE = config-$(KERNEL_VERSION)-raspberrypi2_$(PATCH_VERSION) |
| 16 | PATCH_FILE = linux-$(KERNEL_BRANCH)-rpi-$(PATCH_VERSION).patch |
| 17 | KERNEL_TARBALL = linux-$(KERNEL_VERSION).tar.xz |
| 18 | |
| 19 | |
| 20 | .PHONY: all clean config files image map menuconfig modules |
| 21 | |
| 22 | all: image modules map dtb |
| 23 | |
| 24 | clean: image-clean modules-clean map-clean dtb-clean |
| 25 | |
| 26 | distclean: clean image-distclean modules-distclean dtb-distclean map-distclean |
| 27 | |
| 28 | $(PWD)/$(KERNEL_TARBALL): |
| 29 | wget -P $(PWD) https://www.kernel.org/pub/linux/kernel/v4.x/$(KERNEL_TARBALL) |
| 30 | touch $@ |
| 31 | |
| 32 | $(PWD)/$(PATCH_FILE): |
| 33 | wget -P $(PWD) http://stygian.me/crux-arm/distfiles/$(PATCH_FILE) |
| 34 | touch $@ |
| 35 | |
| 36 | $(PWD)/$(CONFIG_FILE): |
| 37 | wget -P $(PWD) http://stygian.me/crux-arm/distfiles/$(CONFIG_FILE) |
| 38 | touch $@ |
| 39 | |
| 40 | files: $(PWD)/$(KERNEL_TARBALL) $(PWD)/$(PATCH_FILE) $(PWD)/$(CONFIG_FILE) |
| 41 | |
| 42 | $(WORK)/linux-$(KERNEL_VERSION): |
| 43 | bsdtar -C $(WORK) -xf $(PWD)/$(KERNEL_TARBALL) |
| 44 | patch -d $(WORK)/linux-$(KERNEL_VERSION) -p1 -i $(PWD)/$(PATCH_FILE) |
| 45 | sed -e 's|LINUX_COMPILE_BY=.*|LINUX_COMPILE_BY=devel|' \ |
| 46 | -e 's|LINUX_COMPILE_HOST=.*|LINUX_COMPILE_HOST=crux-arm.nu|' \ |
| 47 | -i $(WORK)/linux-$(KERNEL_VERSION)/scripts/mkcompile_h |
| 48 | touch $@ |
| 49 | |
| 50 | $(WORK)/linux-$(KERNEL_VERSION)/.config: $(WORK)/linux-$(KERNEL_VERSION) |
| 51 | cp -v $(PWD)/$(CONFIG_FILE) $@ |
| 52 | touch $@ |
| 53 | |
| 54 | config: files $(WORK)/linux-$(KERNEL_VERSION)/.config |
| 55 | |
| 56 | $(WORK)/zImage-$(KERNEL_VERSION): config |
| 57 | cd $(WORK)/linux-$(KERNEL_VERSION) && \ |
| 58 | export PATH=$(CROSSTOOLS)/bin:$$PATH && \ |
| 59 | export LD_LIBRARY_PATH=$(CROSSTOOLS)/lib:$$LD_LIBRARY_PATH && \ |
| 60 | make ARCH=arm CROSS_COMPILE=$(TARGET)- zImage |
| 61 | cp -v $(WORK)/linux-$(KERNEL_VERSION)/arch/arm/boot/zImage $@ |
| 62 | touch $@ |
| 63 | |
| 64 | $(WORK)/kernel7-$(KERNEL_VERSION).img: $(WORK)/zImage-$(KERNEL_VERSION) |
| 65 | chmod +x $(WORK)/linux-$(KERNEL_VERSION)/scripts/mkknlimg |
| 66 | cd $(WORK)/linux-$(KERNEL_VERSION) && \ |
| 67 | ./scripts/mkknlimg $(WORK)/zImage-$(KERNEL_VERSION) $@ |
| 68 | touch $@ |
| 69 | |
| 70 | image: $(WORK)/kernel7-$(KERNEL_VERSION).img |
| 71 | |
| 72 | image-clean: |
| 73 | rm -f $(WORK)/zImage-$(KERNEL_VERSION) |
| 74 | rm -f $(WORK)/kernel7-$(KERNEL_VERSION).img |
| 75 | if [ -d $(WORK)/linux-$(KERNEL_VERSION)/.config ]; then \ |
| 76 | cd $(WORK)/linux-$(KERNEL_VERSION) && \ |
| 77 | export PATH=$(CROSSTOOLS)/bin:$$PATH && \ |
| 78 | export LD_LIBRARY_PATH=$(CROSSTOOLS)/lib:$$LD_LIBRARY_PATH && \ |
| 79 | make ARCH=arm CROSS_COMPILE=$(TARGET)- clean ; \ |
| 80 | fi |
| 81 | |
| 82 | image-distclean: image-clean |
| 83 | rm -rf $(WORK)/linux-$(KERNEL_VERSION) |
| 84 | |
| 85 | $(WORK)/dtb-$(KERNEL_VERSION): $(WORK)/linux-$(KERNEL_VERSION) |
| 86 | cd $(WORK)/linux-$(KERNEL_VERSION) && \ |
| 87 | export PATH=$(CROSSTOOLS)/bin:$$PATH && \ |
| 88 | export LD_LIBRARY_PATH=$(CROSSTOOLS):$$LD_LIBRARY_PATH && \ |
| 89 | make ARCH=arm CROSS_COMPILE=$(TARGET)- dtbs |
| 90 | rm -rf $(WORK)/dtb |
| 91 | mkdir -p $(WORK)/dtb/overlays |
| 92 | cp $(WORK)/linux-$(KERNEL_VERSION)/arch/arm/boot/dts/*.dtb $(WORK)/dtb |
| 93 | cp $(WORK)/linux-$(KERNEL_VERSION)/arch/arm/boot/dts/overlays/*.dtb* $(WORK)/dtb/overlays |
| 94 | mv $(WORK)/dtb $(WORK)/dtb-$(KERNEL_VERSION) |
| 95 | |
| 96 | $(WORK)/dtb-$(KERNEL_VERSION).tar.xz: $(WORK)/dtb-$(KERNEL_VERSION) |
| 97 | cd $(WORK)/dtb-$(KERNEL_VERSION) && \ |
| 98 | bsdtar --uid 0 --gid 0 -cvJf $(WORK)/dtb-$(KERNEL_VERSION).tar.xz * |
| 99 | |
| 100 | dtb: $(WORK)/dtb-$(KERNEL_VERSION).tar.xz |
| 101 | |
| 102 | dtb-clean: |
| 103 | rm -f $(WORK)/dtb-$(KERNEL_VERSION).tar.xz |
| 104 | rm -rf $(WORK)/dtb-$(KERNEL_VERSION) |
| 105 | |
| 106 | dtb-distclean: dtb-clean |
| 107 | |
| 108 | $(WORK)/modules-$(KERNEL_VERSION): $(WORK)/linux-$(KERNEL_VERSION) |
| 109 | cd $(WORK)/linux-$(KERNEL_VERSION) && \ |
| 110 | export PATH=$(CROSSTOOLS)/bin:$$PATH && \ |
| 111 | export LD_LIBRARY_PATH=$(LD_LIBRARY_PATH)/lib:$$LD_LIBRARY_PATH && \ |
| 112 | make ARCH=arm CROSS_COMPILE=$(TARGET)- modules && \ |
| 113 | make ARCH=arm CROSS_COMPILE=$(TARGET)- INSTALL_MOD_PATH=$(WORK)/modules-$(KERNEL_VERSION) modules_install |
| 114 | rm -f $(WORK)/modules-$(KERNEL_VERSION)/lib/modules/$(KERNEL_VERSION)/{source,build} |
| 115 | touch $(WORK)/modules-$(KERNEL_VERSION) |
| 116 | |
| 117 | $(WORK)/modules-$(KERNEL_VERSION).tar.xz: $(WORK)/modules-$(KERNEL_VERSION) |
| 118 | cd $(WORK)/modules-$(KERNEL_VERSION) && \ |
| 119 | bsdtar --uid 0 --gid 0 -cvJf $(WORK)/modules-$(KERNEL_VERSION).tar.xz * |
| 120 | touch $(WORK)/modules-$(KERNEL_VERSION).tar.xz |
| 121 | |
| 122 | modules: $(WORK)/modules-$(KERNEL_VERSION).tar.xz |
| 123 | |
| 124 | modules-clean: |
| 125 | rm -f $(WORK)/modules-$(KERNEL_VERSION).tar.xz |
| 126 | rm -rf $(WORK)/modules-$(KERNEL_VERSION) |
| 127 | |
| 128 | modules-distclean: modules-clean |
| 129 | |
| 130 | $(WORK)/System.map-$(KERNEL_VERSION): $(WORK)/zImage-$(KERNEL_VERSION) |
| 131 | cp $(WORK)/linux-$(KERNEL_VERSION)/System.map $(WORK)/System.map-$(KERNEL_VERSION) |
| 132 | touch $(WORK)/System.map-$(KERNEL_VERSION) |
| 133 | |
| 134 | map: $(WORK)/System.map-$(KERNEL_VERSION) |
| 135 | |
| 136 | map-clean: |
| 137 | rm -f $(WORK)/System.map-$(KERNEL_VERSION) |
| 138 | |
| 139 | map-distclean: map-clean |
| 140 | |
| 141 | menuconfig: $(WORK)/linux-$(KERNEL_VERSION) |
| 142 | cd $(WORK)/linux-$(KERNEL_VERSION) && \ |
| 143 | export PATH=$(CROSSTOOLS)/bin:$$PATH && \ |
| 144 | export LD_LIBRARY_PATH=$(CROSSTOOLS)/lib:$$LD_LIBRARY_PATH && \ |
| 145 | make ARCH=arm CROSS_COMPILE=$(TARGET)- menuconfig |
| 146 | touch $(WORK)/linux-$(KERNEL_VERSION) |
| 147 | |
| 148 | # End of file |