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129 lines
4.6 KiB
Makefile
129 lines
4.6 KiB
Makefile
#############################################################
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#
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# Linux kernel targets
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#
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# Note: If you have any patches to apply, create the directory
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# sources/kernel-patches and put your patches in there and number
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# them in the order you wish to apply them... i.e.
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#
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# sources/kernel-patches/001-my-special-stuff.bz2
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# sources/kernel-patches/003-gcc-Os.bz2
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# sources/kernel-patches/004_no-warnings.bz2
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# sources/kernel-patches/030-lowlatency-mini.bz2
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# sources/kernel-patches/031-lowlatency-fixes-5.bz2
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# sources/kernel-patches/099-shutup.bz2
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# etc...
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#
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# these patches will all be applied by the patch-kernel.sh
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# script (which will also abort the build if it finds rejects)
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# -Erik
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#
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#############################################################
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ifneq ($(filter $(TARGETS),linux),)
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LINUX_FORMAT=zImage
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LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
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-e 's/mipsel/mips/' \
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-e 's/powerpc/ppc/' \
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-e 's/sh[234]/sh/' \
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)
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LINUX_VERSION=2.4.29
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LINUX_CVS_DATE="2005-01-30"
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LINUX_CVS_BRANCH=linux_2_4
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LINUX_DIR=$(BUILD_DIR)/linux
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LINUX_SITE=ftp.linux-mips.org
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LINUX_KCONFIG=package/linux/linux.config
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LINUX_KERNEL=$(BUILD_DIR)/buildroot-kernel
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LINUX_BINLOC=arch/$(LINUX_KARCH)/brcm-boards/bcm947xx/compressed/vmlinuz
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# Used by pcmcia-cs and others
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LINUX_SOURCE_DIR=$(LINUX_DIR)
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# kernel stuff extracted from linksys firmware GPL sourcetree
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# WRT54GS_3_37_2_1109_US (shared,include,wl,et)
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LINKSYS_KERNEL_TGZ=linksys-kernel.tar.gz
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TARGET_MODULES_DIR=$(TARGET_DIR)/lib/modules/$(LINUX_VERSION)
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$(DL_DIR)/linux.tar.bz2:
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-mkdir -p $(DL_DIR)
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(cd $(DL_DIR); cvs -d :pserver:cvs:cvs@$(LINUX_SITE):/home/cvs login)
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(cd $(DL_DIR); cvs -z3 -d :pserver:cvs:cvs@$(LINUX_SITE):/home/cvs co -D $(LINUX_CVS_DATE) -r$(LINUX_CVS_BRANCH) linux)
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(cd $(DL_DIR); tar jcvf linux.tar.bz2 linux && rm -rf linux)
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$(DL_DIR)/$(LINKSYS_KERNEL_TGZ):
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$(WGET) -P $(DL_DIR) $(LINKSYS_TGZ_SITE)/$(LINKSYS_KERNEL_TGZ)
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$(LINUX_DIR)/.unpacked: $(DL_DIR)/linux.tar.bz2 $(DL_DIR)/$(LINKSYS_KERNEL_TGZ)
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-mkdir -p $(BUILD_DIR)
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(cd $(BUILD_DIR); tar jxvf $(DL_DIR)/linux.tar.bz2)
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-mkdir -p $(TOOL_BUILD_DIR)
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-(cd $(TOOL_BUILD_DIR); ln -sf $(BUILD_DIR)/linux linux)
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toolchain/patch-kernel.sh $(LINUX_DIR) package/linux/kernel-patches
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-cp $(LINUX_KCONFIG) $(LINUX_DIR)/.config
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# extract linksys binary kernel stuff and include/shared files
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zcat $(DL_DIR)/$(LINKSYS_KERNEL_TGZ) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
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touch $(LINUX_DIR)/.unpacked
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$(LINUX_KCONFIG):
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@if [ ! -f "$(LINUX_KCONFIG)" ] ; then \
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echo ""; \
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echo "You should create a .config for your kernel"; \
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echo "and install it as $(LINUX_KCONFIG)"; \
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echo ""; \
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sleep 5; \
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fi;
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$(LINUX_DIR)/.configured: $(LINUX_DIR)/.unpacked $(LINUX_KCONFIG)
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$(SED) "s,^CROSS_COMPILE.*,CROSS_COMPILE=$(KERNEL_CROSS),g;" $(LINUX_DIR)/Makefile
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$(SED) "s,^CROSS_COMPILE.*,CROSS_COMPILE=$(KERNEL_CROSS),g;" $(LINUX_DIR)/arch/mips/Makefile
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$(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
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$(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_KARCH) oldconfig include/linux/version.h
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touch $(LINUX_DIR)/.configured
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$(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured
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$(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_KARCH) dep
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touch $(LINUX_DIR)/.depend_done
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$(LINUX_DIR)/$(LINUX_BINLOC): $(LINUX_DIR)/.depend_done
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$(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_KARCH) PATH=$(TARGET_PATH) $(LINUX_FORMAT)
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$(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_KARCH) PATH=$(TARGET_PATH) modules
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$(LINUX_KERNEL): $(LINUX_DIR)/$(LINUX_BINLOC)
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cp -fa $(LINUX_DIR)/$(LINUX_BINLOC) $(LINUX_KERNEL)
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touch -c $(LINUX_KERNEL)
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$(LINUX_DIR)/.modules_done: $(LINUX_KERNEL)
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rm -rf $(BUILD_DIR)/modules
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$(MAKE) -C $(LINUX_DIR) DEPMOD=true INSTALL_MOD_PATH=$(BUILD_DIR)/modules modules_install
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tar -C $(BUILD_DIR)/modules/lib -cjf openwrt-kmodules.tar.bz2 modules
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touch $(LINUX_DIR)/.modules_done
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$(STAGING_DIR)/include/linux/version.h: $(LINUX_DIR)/.configured
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mkdir -p $(STAGING_DIR)/include
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tar -ch -C $(LINUX_DIR)/include -f - linux | tar -xf - -C $(STAGING_DIR)/include/
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tar -ch -C $(LINUX_DIR)/include -f - asm | tar -xf - -C $(STAGING_DIR)/include/
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linux: $(LINUX_DIR)/.modules_done $(TARGET_MODULES_DIR)
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$(TARGET_MODULES_DIR):
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-mkdir -p $(TARGET_MODULES_DIR)
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cp $(LINUX_DIR)/drivers/net/wl/wl.o $(TARGET_MODULES_DIR)
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cp $(LINUX_DIR)/drivers/net/et/et.o $(TARGET_MODULES_DIR)
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cp $(LINUX_DIR)/drivers/net/diag/diag.o $(TARGET_MODULES_DIR)
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linux-source: $(DL_DIR)/$(LINUX_SOURCE)
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# This has been renamed so we do _NOT_ by default run this on 'make clean'
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linuxclean: clean
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rm -f $(LINUX_KERNEL)
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-$(MAKE) -C $(LINUX_DIR) clean
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linux-dirclean:
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rm -rf $(LINUX_DIR)
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linux-headers: $(LINUX_DIR)/.configured
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endif
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