319 lines
11 KiB
Makefile
319 lines
11 KiB
Makefile
#############################################################
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#
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# Linux kernel 2.6 target
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#
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#############################################################
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ifneq ($(filter $(TARGETS),linux26),)
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ifeq ($(LINUX_HEADERS_VERSION),)
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# Version of Linux to download and then apply patches to
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# XXX: andersee, i do not understand why we need this (BF)
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DOWNLOAD_LINUX26_VERSION:=$(strip $(subst ",, $(BR2_DOWNLOAD_LINUX26_VERSION)))
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# "))
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LINUX26_VERSION:=$(strip $(subst ",, $(BR2_LINUX26_VERSION)))
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# "))
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LINUX26_RC_PATCH:=$(strip $(subst ",, $(BR2_LINUX26_RC_PATCH)))
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# "))
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LINUX_BSP_PATCH:=$(strip $(subst ",, $(BR2_LINUX_BSP_ATMEL_PATCH)))
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# " ))
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MKIMAGE:=$(BUILD_DIR)/mkimage
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ifeq ($(DOWNLOAD_LINUX26_VERSION),)
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DOWNLOAD_LINUX26_VERSION=2.6.19.2
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endif
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# Version of Linux after applying any patches
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LINUX26_VERSION=$(DOWNLOAD_LINUX26_VERSION)
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else # ---------------------------------------------------
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# Define DOWNLOAD_LINUX26_VERSION unless defined
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ifeq ($(strip $(BR2_DOWNLOAD_LINUX26_VERSION)),)
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DOWNLOAD_LINUX26_VERSION=$(LINUX_HEADERS_VERSION)
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else
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DOWNLOAD_LINUX26_VERSION:=$(strip $(subst ",, $(BR2_DOWNLOAD_LINUX26_VERSION)))
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# "))
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endif
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# Define LINUX26_VERSION unless defined
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ifeq ($(strip $(BR2_LINUX26_VERSION)),)
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LINUX26_VERSION=$(LINUX_HEADERS_VERSION)
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else
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LINUX26_VERSION:=$(strip $(subst ",, $(BR2_LINUX26_VERSION)))
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# "))
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endif
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endif # ---------------------------------------------------
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# Handle case when we want to build using an "rc" patch
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# Example: to build 2.6.21-rc1 you need to:
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# * Download linux-2.6.20
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# * Apply patch-2.6.21-rc1
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LINUX26_SOURCE:=linux-$(DOWNLOAD_LINUX26_VERSION).tar.bz2
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LINUX26_SITE=http://ftp.kernel.org/pub/linux/kernel/v2.6
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LINUX26_BZCAT:=$(BZCAT)
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# Linux kernel binary
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LINUX26_FORMAT:=$(strip $(subst ",, $(BR2_LINUX26_FORMAT)))
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# " ))
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# Linux kernel configuration file
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ifeq ($(strip $(LINUX26_KCONFIG)),)
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LINUX26_KCONFIG=$(BR2_BOARD_PATH)/linux26.config
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endif
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# File name for the Linux kernel binary
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ifeq ($(strip $(LINUX26_KERNEL)),)
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#LINUX26_KERNEL=linux-kernel-$(LINUX26_VERSION)-$(KERNEL_ARCH)
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LINUX26_KERNEL:=$(BOARD_NAME)-linux-$(LINUX26_VERSION)-$(DATE).gz
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endif
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ifeq ($(strip $(LINUX26_BINLOC)),)
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LINUX26_BINLOC=$(LINUX26_FORMAT)
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endif
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# Put binary in root file system
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ifeq ($(strip $(BR2_LINUX_IN_ROOTFS)),y)
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ifeq ($(strip $(LINUX26_TARGET)),)
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LINUX26_TARGET:=$(TARGET_DIR)/boot/$(LINUX26_BINLOC)
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endif
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else
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LINUX26_TARGET:=$(BINARIES_DIR)/$(LINUX26_KERNEL)
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endif
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endif
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ifeq ($(strip $(LINUX26_BUILD_DIR)),)
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LINUX26_BUILD_DIR=$(PROJECT_BUILD_DIR)
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endif
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ifeq ($(strip $(BR2_LINUX26_DEFCONFIG)),y)
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LINUX26_DEFCONFIG=$(BOARD_NAME)_defconfig
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endif
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# Version of Linux AFTER patches
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LINUX26_DIR=$(LINUX26_BUILD_DIR)/linux-$(LINUX26_VERSION)
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# for packages that need it
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LINUX_VERSION=$(LINUX26_VERSION)
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LINUX_DIR=$(LINUX26_DIR)
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LINUX_KERNEL=$(LINUX26_KERNEL)
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# kernel patches
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ifeq ($(strip $(subst ",, $(LINUX26_PATCH_DIR))),)
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# ")))
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LINUX26_PATCH_DIR:=$(BR2_BOARD_PATH)/kernel-patches/
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endif
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PATCH_DIR=$(strip $(subst ",, $(LINUX26_PATCH_DIR)))
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# " ))
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LINUX26_MAKE_FLAGS = $(TARGET_CONFIGURE_OPTS) ARCH=$(KERNEL_ARCH) \
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PATH=$(TARGET_PATH) INSTALL_MOD_PATH=$(TARGET_DIR) \
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CROSS_COMPILE=$(KERNEL_CROSS)
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$(LINUX26_KCONFIG):
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@if [ ! -f "$(LINUX26_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 $(LINUX26_KCONFIG)"; \
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echo ""; \
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sleep 5; \
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fi;
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# Check if we have a release candidate.
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# This makes life complex
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# To build linux-2.6.21-rc2 you need to:
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# * Download linux.2.6.20.tar.bz2
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# * Download patch-2.6.21-rc2.bz2
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# I:E you have to download the *previous* major version
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ifneq ($(LINUX26_RC_PATCH),)
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# We have a "release candidate"
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LINUX26_RC_PATCH_SOURCE:=$(PROJECT_BUILD_DIR)/linux-patch/$(LINUX26_RC_PATCH)
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# Create rule to download the patch
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$(LINUX26_RC_PATCH_SOURCE):
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mkdir -p $(PROJECT_BUILD_DIR)/linux-patch/
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$(WGET) -P $(PROJECT_BUILD_DIR)/linux-patch $(LINUX26_SITE)/$(LINUX26_RC_PATCH)
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# $(LINUX26_BZCAT) $(PROJECT_BUILD_DIR)/linux-patch/$(LINUX26_RC_PATCH).bz2
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else
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# We have a vanilla style linux kernel
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LINUX26_RC_PATCH_SOURCE:=
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endif
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ifneq ($(strip $(LINUX_HEADERS_SOURCE)),$(strip $(LINUX26_SOURCE)))
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$(DL_DIR)/$(LINUX26_SOURCE):
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$(WGET) -P $(DL_DIR) $(LINUX26_SITE)/$(LINUX26_SOURCE)
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endif
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$(LINUX26_DIR)/.unpacked: $(DL_DIR)/$(LINUX26_SOURCE) $(LINUX26_RC_PATCH_SOURCE)
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rm -rf $(LINUX26_DIR)
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$(LINUX26_BZCAT) $(DL_DIR)/$(LINUX26_SOURCE) | tar -C $(LINUX26_BUILD_DIR) $(TAR_OPTIONS) -
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ifneq ($(DOWNLOAD_LINUX26_VERSION),$(LINUX26_VERSION))
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# Rename the dir from the downloaded version to the AFTER patch version
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mv -f $(LINUX26_BUILD_DIR)/linux-$(DOWNLOAD_LINUX26_VERSION) $(LINUX26_DIR)
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endif
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ifneq ($(LINUX26_RC_PATCH),)
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-(cd $(LINUX26_DIR); $(LINUX26_BZCAT) $(LINUX26_RC_PATCH_SOURCE) | patch -p1)
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endif
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-(cd $(TOOL_BUILD_DIR); ln -snf $(LINUX26_DIR) linux)
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rm -f $(LINUX26_DIR)/.kernelrelease
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echo $(LINUX26_VERSION) > $(LINUX26_DIR)/.kernelrelease
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touch $@
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$(LINUX26_DIR)/.patched: $(LINUX26_DIR)/.unpacked
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echo $(PATCH_DIR)
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toolchain/patch-kernel.sh $(LINUX26_DIR) $(LINUX26_PATCH_DIR)
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touch $@
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$(LINUX26_DIR)/.configured: $(LINUX26_DIR)/.patched $(LINUX26_KCONFIG)
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-ls -l $(LINUX26_DIR)/.patched
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-ls -l $(LINUX26_KCONFIG)
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-ls -l $(LINUX26_DIR)/.configured
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-ls -l $(LINUX26_DIR)/.unpacked
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-ls -l $(DL_DIR)/$(LINUX26_SOURCE)
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-ls -l $(LINUX26_RC_PATCH_SOURCE)
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ifeq ($(strip $(BR2_LINUX26_DEFCONFIG)),y)
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make ARCH=$(ARCH) -C $(LINUX26_DIR) $(BOARD_NAME)_defconfig
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else
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cp -df --preserve=mode,ownership $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config
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endif
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ifeq ($(strip $(BR2_LINUX_CUSTOMIZE)),y)
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make -C $(LINUX26_DIR) xconfig
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endif
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$(SED) '/CONFIG_AEABI/d' $(LINUX26_DIR)/.config
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ifeq ($(BR2_ARM_EABI),y)
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echo "CONFIG_AEABI=y" >> $(LINUX26_DIR)/.config
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$(SED) '/CONFIG_OABI_COMPAT/d' $(LINUX26_DIR)/.config
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echo "# CONFIG_OABI_COMPAT is not set" >> $(LINUX26_DIR)/.config
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else
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echo "# CONFIG_AEABI is not set" >> $(LINUX26_DIR)/.config
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endif
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$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) oldconfig include/linux/version.h
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touch $@
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$(LINUX26_DIR)/.depend_done: $(LINUX26_DIR)/.configured
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$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) prepare
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touch $@
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$(LINUX26_DIR)/arch/$(ARCH)/boot/$(LINUX26_FORMAT): $(LINUX26_DIR)/vmlinux
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$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) $(LINUX26_FORMAT)
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$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) modules
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touch -c $@
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$(LINUX26_DIR)/vmlinux: $(LINUX26_DIR)/.depend_done $(STAGING_DIR)/include/linux/version.h
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$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) vmlinux
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$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) modules
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touch -c $@
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#-----------------------------------------------------------------------------------
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# Rule can be enabled by setting
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# LINUX26_TARGET:= $(TARGET_DIR)/boot/$(LINUX26_BINLOC)
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#
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$(TARGET_DIR)/boot/$(LINUX26_FORMAT): $(LINUX26_DIR)/$(LINUX26_FORMAT)
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[ -d $(TARGET_DIR)/boot/ ] || mkdir $(TARGET_DIR)/boot
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cp -a $(LINUX26_DIR)/$(LINUX26_FORMAT) $(LINUX26_DIR)/System.map $(TARGET_DIR)/boot/$(LINUX26_FORMAT)
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touch -c $@
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#-----------------------------------------------------------------------------------
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# Rule can be enabled by setting
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# LINUX26_TARGET:= $(BINARIES_DIR)/$(LINUX26_KERNEL)
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# LINUX26_FORMAT:= vmlinux
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$(BINARIES_DIR)/$(LINUX26_KERNEL): $(LINUX26_DIR)/uImage
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cp -dpf $(LINUX26_DIR)/uImage $(BINARIES_DIR)/$(LINUX26_KERNEL)
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cp -dpf $(LINUX26_DIR)/uImage /tftpboot/$(LINUX26_KERNEL)
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mkdir -p $(TARGET_DIR)/boot/
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cp -dpf $(LINUX26_DIR)/.config $(TARGET_DIR)/boot/$(BOARD_NAME)-linux-$(LINUX26_VERSION).config
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cp -dpf .config $(TARGET_DIR)/boot/$(BOARD_NAME)-buildroot.config
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cp -dpf $(BUSYBOX_DIR)/.config $(TARGET_DIR)/boot/busybox.config
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$(PROJECT_BUILD_DIR)/linux.bin: $(LINUX26_DIR)/vmlinux
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${KERNEL_CROSS}objcopy -O binary -S $(LINUX26_DIR)/vmlinux $(PROJECT_BUILD_DIR)/linux.bin
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$(LINUX26_DIR)/uImage: $(LINUX26_DIR)/arch/$(ARCH)/boot/uImage
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cp -dpf $(LINUX26_DIR)/arch/$(ARCH)/boot/uImage $(LINUX26_DIR)/uImage
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$(PROJECT_BUILD_DIR)/xxxx: $(PROJECT_BUILD_DIR)/linux.bin $(MKIMAGE)
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gzip -v9 -c $(PROJECT_BUILD_DIR)/linux.bin > $(PROJECT_BUILD_DIR)/linux.bin.gz
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$(MKIMAGE) -A $(ARCH) \
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-O linux \
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-C gzip \
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-a 0x20008000 \
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-e 0x20008000 \
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-d $(PROJECT_BUILD_DIR)/linux.bin.gz \
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$(LINUX26_DIR)/uImage
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rm -f $(PROJECT_BUILD_DIR)/linux.bin.gz
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#-----------------------------------------------------------------------------------
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$(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/modules.dep: $(LINUX26_TARGET) $(TARGET_DIR)/sbin/modprobe $(LINUX26_DIR)/vmlinux
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rm -rf $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)
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rm -f $(TARGET_DIR)/sbin/cardmgr
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$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) \
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DEPMOD=$(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-depmod26 \
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INSTALL_MOD_PATH=$(TARGET_DIR) modules_install
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(cd $(TARGET_DIR)/lib/modules; \
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rm -f drivers; \
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ln -s $(LINUX26_VERSION)/kernel/drivers .)
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chmod a+x target/depmod.pl
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target/depmod.pl \
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-b $(TARGET_DIR)/lib/modules/$(DOWNLOAD_LINUX26_VERSION) \
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-k $(LINUX26_DIR)/vmlinux \
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-F $(LINUX26_DIR)/System.map \
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> $(TARGET_DIR)/lib/modules/$(shell cat $(LINUX26_DIR)/include/config/kernel.release 2> /dev/null)/modules.dep
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rm -f $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/build
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touch -c $@
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$(STAGING_DIR)/include/linux/version.h: $(LINUX26_DIR)/.configured
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mkdir -p $(STAGING_DIR)/include
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tar -ch -C $(LINUX26_DIR)/include -f - linux | tar -xf - -C $(STAGING_DIR)/include/
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tar -ch -C $(LINUX26_DIR)/include -f - asm | tar -xf - -C $(STAGING_DIR)/include/
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linux26-menuconfig: $(LINUX26_DIR)/.patched host-sed
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[ -f $(LINUX26_DIR)/.config ] || cp $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config
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$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) menuconfig
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-[ -f $(LINUX26_DIR)/.config ] && touch $(LINUX26_DIR)/.configured
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linux26: cross-depmod26 $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/modules.dep $(LINUX26_TARGET)
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linux26-source: $(DL_DIR)/$(LINUX26_SOURCE)
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# This has been renamed so we do _NOT_ by default run this on 'make clean'
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linux26clean:
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rm -f $(LINUX26_TARGET)
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rm -f $(PROJECT_BUILD_DIR)/linux.bin
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rm -f $(LINUX26_DIR)/uImage
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-$(MAKE) PATH=$(TARGET_PATH) -C $(LINUX26_DIR) clean
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linux26-dirclean:
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rm -f $(LINUX26_TARGET)
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rm -f $(PROJECT_BUILD_DIR)/linux.bin
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rm -rf $(LINUX26_DIR)
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linux-update:
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cp -dpf $(LINUX26_DIR)/.config $(LINUX26_KCONFIG)
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linux-test:
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@echo "LINUX_HEADERS_VERSION" $(LINUX_HEADERS_VERSION)
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@echo "BR2_PACKAGE_LINUX" $(BR2_PACKAGE_LINUX)
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@echo "BR2_CUSTOM_DOWNLOAD_LINUX26_VERSION" $(BR2_CUSTOM_DOWNLOAD_LINUX26_VERSION)
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@echo "BR2_CUSTOM_LINUX26_VERSION" $(BR2_CUSTOM_LINUX26_VERSION)
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@echo "BR2_CUSTOM_LINUX26_RC_PATCH" $(BR2_CUSTOM_LINUX26_RC_PATCH)
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@echo "BR2_LINUX_BSP_PATCH" $(BR2_LINUX_BSP_PATCH)
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@echo "BR2_DOWNLOAD_LINUX26_VERSION" $(BR2_DOWNLOAD_LINUX26_VERSION)
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@echo "BR2_LINUX26_VERSION" $(BR2_LINUX26_VERSION)
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@echo "LINUX26_VERSION" $(LINUX26_VERSION)
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@echo "BR2_LINUX26_RC_PATCH" $(BR2_LINUX26_RC_PATCH)
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@echo "BR2_PACKAGE_LINUX26_KCONFIG" $(BR2_PACKAGE_LINUX_KCONFIG)
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@echo "LINUX26_KCONFIG" $(LINUX26_KCONFIG)
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@echo "BR2_LINUX_BIN_CUSTOM" $(BR2_LINUX_BIN_CUSTOM)
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@echo "BR2_PACKAGE_LINUX_FORMAT" $(BR2_PACKAGE_LINUX_FORMAT)
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@echo "BR2_LINUX_IN_ROOTFS" $(BR2_LINUX_IN_ROOTFS)
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@echo "BR2_LINUX_2_6_22_1" $(BR2_LINUX_2_6_22_1)
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