2002-12-11 00:26:31 +01:00
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#############################################################
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#
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# Linux kernel targets
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#
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2003-01-18 23:39:31 +01:00
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# Note: If you have any patches to apply, create the directory
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2002-12-11 00:26:31 +01:00
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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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2003-01-18 23:39:31 +01:00
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# etc...
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2002-12-11 00:26:31 +01:00
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#
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2003-01-01 18:36:39 +01:00
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# these patches will all be applied by the patch-kernel.sh
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2002-12-11 00:26:31 +01:00
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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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2005-04-15 04:14:42 +02:00
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ifneq ($(filter $(TARGETS),linux),)
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2002-12-11 00:26:31 +01:00
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2005-04-15 04:14:42 +02:00
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# Base version of Linux kernel that we need to download
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2005-02-02 17:27:50 +01:00
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DOWNLOAD_LINUX_VERSION=2.4.29
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2005-04-15 04:14:42 +02:00
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# Version of Linux kernel AFTER applying all patches
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2005-02-02 17:27:50 +01:00
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LINUX_VERSION=2.4.29-erik
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2003-01-19 08:49:24 +01:00
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2005-04-15 04:14:42 +02:00
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# File name for the Linux kernel binary
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LINUX_KERNEL=$(BUILD_DIR)/buildroot-kernel
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# Linux kernel configuration file
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LINUX_KCONFIG=target/device/Soekris/net4521/linux.config
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# kernel patches
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LINUX_PATCH_DIR=target/device/Soekris/net4521/kernel-patches/
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2003-01-07 22:00:41 +01:00
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LINUX_FORMAT=bzImage
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2004-02-27 01:39:54 +01:00
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#LINUX_FORMAT=images/zImage.prep
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2004-02-27 06:34:31 +01:00
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LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
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2004-02-27 07:00:45 +01:00
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-e 's/mipsel/mips/' \
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-e 's/powerpc/ppc/' \
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-e 's/sh[234]/sh/' \
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2004-02-27 06:34:31 +01:00
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)
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2004-02-27 01:26:57 +01:00
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LINUX_BINLOC=arch/$(LINUX_KARCH)/boot/$(LINUX_FORMAT)
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2003-01-19 08:49:24 +01:00
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LINUX_DIR=$(BUILD_DIR)/linux-$(LINUX_VERSION)
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LINUX_SOURCE=linux-$(DOWNLOAD_LINUX_VERSION).tar.bz2
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2006-11-17 16:43:51 +01:00
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LINUX_CAT:=$(BZCAT)
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2004-05-14 18:26:28 +02:00
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LINUX_SITE=http://www.kernel.org/pub/linux/kernel/v2.4
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2003-03-04 20:16:19 +01:00
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# Used by pcmcia-cs and others
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LINUX_SOURCE_DIR=$(LINUX_DIR)
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2002-12-11 00:26:31 +01:00
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$(DL_DIR)/$(LINUX_SOURCE):
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2004-10-22 00:16:29 +02:00
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-mkdir -p $(DL_DIR)
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2004-09-03 02:49:43 +02:00
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$(WGET) -P $(DL_DIR) $(LINUX_SITE)/$(LINUX_SOURCE)
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2002-12-11 00:26:31 +01:00
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2003-01-01 18:36:39 +01:00
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$(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE)
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2004-10-22 00:16:29 +02:00
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-mkdir -p $(TOOL_BUILD_DIR)
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2005-04-15 04:14:42 +02:00
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-(cd $(TOOL_BUILD_DIR); ln -snf $(LINUX_DIR) linux)
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2006-11-17 16:43:51 +01:00
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$(LINUX_CAT) $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
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2003-01-20 23:52:19 +01:00
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ifneq ($(DOWNLOAD_LINUX_VERSION),$(LINUX_VERSION))
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2005-02-17 04:00:46 +01:00
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# Rename the dir from the downloaded version to the AFTER patch version
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2003-01-19 08:49:24 +01:00
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mv -f $(BUILD_DIR)/linux-$(DOWNLOAD_LINUX_VERSION) $(BUILD_DIR)/linux-$(LINUX_VERSION)
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2003-01-20 23:52:19 +01:00
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endif
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2005-04-15 04:14:42 +02:00
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toolchain/patch-kernel.sh $(LINUX_DIR) $(LINUX_PATCH_DIR)
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2003-01-01 18:36:39 +01:00
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touch $(LINUX_DIR)/.unpacked
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2002-12-11 00:26:31 +01:00
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2002-12-28 05:05:46 +01:00
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$(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 $(LINUX_KCONFIG)"; \
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echo ""; \
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sleep 5; \
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fi;
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2003-01-03 10:28:19 +01:00
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$(LINUX_DIR)/.configured $(BUILD_DIR)/linux/.configured: $(LINUX_DIR)/.unpacked $(LINUX_KCONFIG)
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2005-04-15 04:14:42 +02:00
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$(SED) "s,^ARCH.*,ARCH=$(LINUX_KARCH),g;" $(LINUX_DIR)/Makefile
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2003-11-19 18:17:56 +01:00
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$(SED) "s,^CROSS_COMPILE.*,CROSS_COMPILE=$(KERNEL_CROSS),g;" $(LINUX_DIR)/Makefile
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2002-12-28 05:05:46 +01:00
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-cp $(LINUX_KCONFIG) $(LINUX_DIR)/.config
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2005-04-15 04:14:42 +02:00
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$(MAKE) PATH=$(TARGET_PATH) -C $(LINUX_DIR) oldconfig include/linux/version.h
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2002-12-11 00:26:31 +01:00
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touch $(LINUX_DIR)/.configured
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$(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured
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2005-04-15 04:14:42 +02:00
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$(MAKE) PATH=$(TARGET_PATH) -C $(LINUX_DIR) dep
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2002-12-11 00:26:31 +01:00
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touch $(LINUX_DIR)/.depend_done
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2002-12-28 05:05:46 +01:00
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$(LINUX_DIR)/$(LINUX_BINLOC): $(LINUX_DIR)/.depend_done
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2005-04-15 04:14:42 +02:00
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$(MAKE) PATH=$(TARGET_PATH) -C $(LINUX_DIR) $(LINUX_FORMAT)
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$(MAKE) PATH=$(TARGET_PATH) -C $(LINUX_DIR) modules
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2002-12-11 00:26:31 +01:00
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2002-12-28 05:05:46 +01:00
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$(LINUX_KERNEL): $(LINUX_DIR)/$(LINUX_BINLOC)
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cp -fa $(LINUX_DIR)/$(LINUX_BINLOC) $(LINUX_KERNEL)
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2003-01-20 23:52:19 +01:00
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touch -c $(LINUX_KERNEL)
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2002-12-11 00:26:31 +01:00
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$(TARGET_DIR)/lib/modules/$(LINUX_VERSION)/modules.dep: $(LINUX_KERNEL)
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rm -rf $(TARGET_DIR)/lib/modules
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rm -f $(TARGET_DIR)/sbin/cardmgr
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2005-04-15 04:14:42 +02:00
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$(MAKE) PATH=$(TARGET_PATH) -C $(LINUX_DIR) \
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INSTALL_MOD_PATH=$(TARGET_DIR) modules_install
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2002-12-11 00:26:31 +01:00
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(cd $(TARGET_DIR)/lib/modules; ln -s $(LINUX_VERSION)/kernel/drivers .)
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2002-12-28 05:05:46 +01:00
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$(STAGING_DIR)/include/linux/version.h: $(LINUX_DIR)/.configured
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2002-12-11 00:26:31 +01:00
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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: $(STAGING_DIR)/include/linux/version.h $(TARGET_DIR)/lib/modules/$(LINUX_VERSION)/modules.dep
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2003-11-12 10:31:12 +01:00
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linux-source: $(DL_DIR)/$(LINUX_SOURCE)
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2003-01-02 12:49:22 +01:00
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# This has been renamed so we do _NOT_ by default run this on 'make clean'
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2002-12-11 00:26:31 +01:00
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linuxclean: clean
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rm -f $(LINUX_KERNEL)
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2003-01-17 09:09:39 +01:00
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-$(MAKE) -C $(LINUX_DIR) clean
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2002-12-11 00:26:31 +01:00
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linux-dirclean:
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rm -rf $(LINUX_DIR)
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2005-07-11 23:53:23 +02:00
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endif
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