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|
# -*-makefile-*-
# $Id$
#
# Copyright (C) 2002, 2003 by Pengutronix e.K., Hildesheim, Germany
#
# See CREDITS for details about who has contributed to this project.
#
# For further information about the PTXdist project and license conditions
# see the README file.
#
#
# We provide this package
#
ifndef NATIVE
PACKAGES-$(PTXCONF_COMPILE_KERNEL) += kernel
#
# Use a PTXdist built kernel which is parametrized here or use one from
# an external directory
#
ifdef PTXCONF_USE_EXTERNAL_KERNEL
KERNEL_DIR = $(call remove_quotes,$(PTXCONF_KERNEL_DIR))
else
KERNEL_VERSION = $(call remove_quotes,$(PTXCONF_KERNEL_VERSION))
# version stuff in now in rules/Version.make
# NB: make s*cks
KERNEL = linux-$(KERNEL_VERSION)
KERNEL_SUFFIX = tar.bz2
KERNEL_URL = http://www.kernel.org/pub/linux/kernel/v$(KERNEL_VERSION_MAJOR).$(KERNEL_VERSION_MINOR)/$(KERNEL).$(KERNEL_SUFFIX)
KERNEL_SOURCE = $(SRCDIR)/$(KERNEL).$(KERNEL_SUFFIX)
KERNEL_DIR = $(BUILDDIR)/$(KERNEL)
KERNEL_CONFIG = $(PTXCONF_KERNEL_CONFIG)
endif
KERNEL_INST_DIR = $(BUILDDIR)/$(KERNEL)-install
#
# Some configuration stuff for the different kernel image formats
#
ifdef PTXCONF_KERNEL_IMAGE_Z
KERNEL_TARGET = zImage
KERNEL_TARGET_PATH = $(KERNEL_DIR)/arch/$(PTXCONF_ARCH)/boot/zImage
endif
ifdef PTXCONF_KERNEL_IMAGE_BZ
KERNEL_TARGET = bzImage
KERNEL_TARGET_PATH = $(KERNEL_DIR)/arch/$(PTXCONF_ARCH)/boot/bzImage
endif
ifdef PTXCONF_KERNEL_IMAGE_U
KERNEL_TARGET = uImage
KERNEL_TARGET_PATH = $(KERNEL_DIR)/uImage
KERNEL_TARGET_PATH += $(KERNEL_DIR)/arch/$(PTXCONF_ARCH)/boot/images/vmlinux.UBoot
KERNEL_TARGET_PATH += $(KERNEL_DIR)/arch/$(PTXCONF_ARCH)/boot/uImage
endif
ifdef PTXCONF_KERNEL_IMAGE_VMLINUX
KERNEL_TARGET = vmlinux
KERNEL_TARGET_PATH = $(KERNEL_DIR)/vmlinux
endif
# ----------------------------------------------------------------------------
# Menuconfig
# ----------------------------------------------------------------------------
kernel_menuconfig: $(STATEDIR)/kernel.extract
ifndef PTXCONF_USE_EXTERNAL_KERNEL
@if [ -f $(KERNEL_CONFIG) ]; then \
install -m 644 $(KERNEL_CONFIG) $(KERNEL_DIR)/.config; \
fi
endif
cd $(KERNEL_DIR) && $(KERNEL_PATH) make menuconfig $(KERNEL_MAKEVARS)
ifndef PTXCONF_USE_EXTERNAL_KERNEL
@if [ -f $(KERNEL_DIR)/.config ]; then \
install -m 644 $(KERNEL_DIR)/.config $(KERNEL_CONFIG); \
fi
endif
@if [ -f $(STATEDIR)/kernel.compile ]; then \
rm $(STATEDIR)/kernel.compile; \
fi
# ----------------------------------------------------------------------------
# Oldconfig
# ----------------------------------------------------------------------------
kernel_oldconfig: $(STATEDIR)/kernel.extract
ifndef PTXCONF_USE_EXTERNAL_KERNEL
@if [ -f $(KERNEL_CONFIG) ]; then \
install -m 644 $(KERNEL_CONFIG) $(KERNEL_DIR)/.config; \
fi
endif
cd $(KERNEL_DIR) && $(KERNEL_PATH) make oldconfig $(KERNEL_MAKEVARS)
ifndef PTXCONF_USE_EXTERNAL_KERNEL
@if [ -f $(KERNEL_DIR)/.config ]; then \
install -m 644 $(KERNEL_DIR)/.config $(KERNEL_CONFIG); \
fi
endif
@if [ -f $(STATEDIR)/kernel.compile ]; then \
rm $(STATEDIR)/kernel.compile; \
fi
# ----------------------------------------------------------------------------
# Get
# ----------------------------------------------------------------------------
kernel_get: $(STATEDIR)/kernel.get
ifndef PTXCONF_USE_EXTERNAL_KERNEL
kernel_get_deps = $(KERNEL_SOURCE)
endif
$(STATEDIR)/kernel.get: $(kernel_get_deps)
@$(call targetinfo, $@)
@$(call touch, $@)
$(KERNEL_SOURCE):
@$(call targetinfo, $@)
@$(call get, $(KERNEL_URL))
# ----------------------------------------------------------------------------
# Extract
# ----------------------------------------------------------------------------
kernel_extract: $(STATEDIR)/kernel.extract
ifndef PTXCONF_USE_EXTERNAL_KERNEL
kernel_extract_deps = $(STATEDIR)/kernel-base.extract
endif
$(STATEDIR)/kernel.extract: $(kernel_extract_deps)
@$(call targetinfo, $@)
@$(call touch, $@)
$(STATEDIR)/kernel-base.extract: $(STATEDIR)/kernel.get
@$(call targetinfo, $@)
@$(call clean, $(KERNEL_DIR))
@$(call extract, $(KERNEL_SOURCE))
#
# kernels before 2.4.19 extract to "linux" instead of "linux-<version>"
#
ifeq (2.4.18,$(KERNEL_VERSION))
mv $(BUILDDIR)/linux $(KERNEL_DIR)
endif
#
# apply the patch series
#
@if [ -e $(PTXCONF_KERNEL_PATCH_SERIES) ]; then \
$(PTXDIST_TOPDIR)/scripts/apply_patch_series.sh -s $(PTXCONF_KERNEL_PATCH_SERIES) -d $(KERNEL_DIR); \
fi
@$(call touch, $@)
# ----------------------------------------------------------------------------
# Prepare
# ----------------------------------------------------------------------------
kernel_prepare: $(STATEDIR)/kernel.prepare
kernel_prepare_deps = $(STATEDIR)/virtual-xchain.install
kernel_prepare_deps += $(STATEDIR)/kernel.extract
ifeq ($(KERNEL_VERSION_MINOR), 4)
kernel_prepare_deps += $(STATEDIR)/host-modutils.install
else
kernel_prepare_deps += $(STATEDIR)/host-module-init-tools.install
endif
ifdef PTXCONF_KLIBC
kernel_prepare_deps += $(STATEDIR)/klibc.install
endif
KERNEL_PATH = PATH=$(CROSS_PATH)
KERNEL_MAKEVARS = HOSTCC=$(HOSTCC)
KERNEL_MAKEVARS += $(PARALLELMFLAGS)
ifeq ($(KERNEL_VERSION_MINOR), 4)
KERNEL_MAKEVARS += DEPMOD=$(call remove_quotes,$(PTXCONF_PREFIX)/sbin/$(PTXCONF_GNU_TARGET)-depmod.old)
else
KERNEL_MAKEVARS += DEPMOD=$(call remove_quotes,$(PTXCONF_PREFIX)/sbin/depmod)
endif
KERNEL_MAKEVARS += ARCH=$(call remove_quotes,$(PTXCONF_ARCH))
KERNEL_MAKEVARS += CROSS_COMPILE=$(COMPILER_PREFIX)
ifdef PTXCONF_KERNEL_IMAGE_U
KERNEL_MAKEVARS += MKIMAGE=$(PTXCONF_PREFIX)/bin/u-boot-mkimage.sh
endif
# This was defined before; we leave it here for reference. [RSC]
# GENKSYMS=$(COMPILER_PREFIX)genksyms
$(STATEDIR)/kernel.prepare: $(kernel_prepare_deps)
@$(call targetinfo, $@)
ifndef PTXCONF_USE_EXTERNAL_KERNEL
@echo "create symlinks in case we are here only to provide headers..."
cd $(KERNEL_DIR) && $(KERNEL_PATH) make include/linux/version.h $(KERNEL_MAKEVARS)
touch $(KERNEL_DIR)/include/linux/autoconf.h
ln -sf asm-$(PTXCONF_ARCH) $(KERNEL_DIR)/include/asm
@if [ -f $(KERNEL_CONFIG) ]; then \
echo "Using kernel config file: $(KERNEL_CONFIG)"; \
install -m 644 $(KERNEL_CONFIG) $(KERNEL_DIR)/.config; \
else \
echo "ERROR: No such kernel config: $(KERNEL_CONFIG)"; \
exit 1; \
fi
ifdef PTXCONF_KLIBC
# tell the kernel where our spec file for initramfs is
#
# FIXME: this doesn't really work, because other options
# do depend on this
sed -ie 's,^CONFIG_INITRAMFS_SOURCE.*$$,CONFIG_INITRAMFS_SOURCE=\"$(KLIBC_DIR)/initramfs_spec\",g' $(KERNEL_DIR)/.config
endif
@echo
@echo "------------- make oldconfig -------------"
@echo
cd $(KERNEL_DIR) && $(KERNEL_PATH) make oldconfig $(KERNEL_MAKEVARS)
@echo
@echo "---------------- make dep ----------------"
@echo
cd $(KERNEL_DIR) && $(KERNEL_PATH) make dep $(KERNEL_MAKEVARS)
@echo
@echo "---------- make modules_prepare ----------"
@echo
-cd $(KERNEL_DIR) && $(KERNEL_PATH) make modules_prepare $(KERNEL_MAKEVARS)
else
@echo "PTXCONF_USE_EXTERNAL_KERNEL is set, proceeding"
endif
@$(call touch, $@)
# ----------------------------------------------------------------------------
# Modversions-Prepare
# ----------------------------------------------------------------------------
#
# Some packages (like rtnet.) need modversions.h
#
# we build it only when needed cause it can be build only if kernel modules
# are selected
#
$(STATEDIR)/kernel-modversions.prepare: $(STATEDIR)/kernel.prepare
@$(call targetinfo, $@)
cd $(KERNEL_DIR) && $(KERNEL_PATH) make \
$(KERNEL_DIR)/include/linux/modversions.h \
$(KERNEL_MAKEVARS)
@$(call touch, $@)
# ----------------------------------------------------------------------------
# Compile
# ----------------------------------------------------------------------------
kernel_compile: $(STATEDIR)/kernel.compile
kernel_compile_deps = $(STATEDIR)/kernel.prepare
# FIXME: remove this when select magic works
ifdef PTXCONF_KERNEL_IMAGE_U
kernel_compile_deps += $(STATEDIR)/host-umkimage.install
endif
ifdef PTXCONF_KLIBC
kernel_compile_deps += $(STATEDIR)/klibc.install
endif
$(STATEDIR)/kernel.compile: $(kernel_compile_deps)
@$(call targetinfo, $@)
mkdir -p $(PTXCONF_PREFIX)/bin
echo "#!/bin/sh" > $(PTXCONF_PREFIX)/bin/u-boot-mkimage.sh
echo '$(call remove_quotes,$(PTXCONF_PREFIX))/bin/u-boot-mkimage "$$@"' >> $(PTXCONF_PREFIX)/bin/u-boot-mkimage.sh
chmod +x $(PTXCONF_PREFIX)/bin/u-boot-mkimage.sh
cd $(KERNEL_DIR) && $(KERNEL_PATH) make \
$(KERNEL_TARGET) modules $(KERNEL_MAKEVARS)
@$(call touch, $@)
# ----------------------------------------------------------------------------
# Install
# ----------------------------------------------------------------------------
kernel_install: $(STATEDIR)/kernel.install
$(STATEDIR)/kernel.install:
@$(call targetinfo, $@)
@$(call touch, $@)
# ----------------------------------------------------------------------------
# Target-Install
# ----------------------------------------------------------------------------
kernel_targetinstall: $(STATEDIR)/kernel.targetinstall
kernel_targetinstall_deps = $(STATEDIR)/kernel.compile
$(STATEDIR)/kernel.targetinstall: $(kernel_targetinstall_deps)
@$(call targetinfo, $@)
ifdef PTXCONF_KERNEL_INSTALL
@$(call install_init,default)
@$(call install_fixup,PACKAGE,kernel)
@$(call install_fixup,PRIORITY,optional)
@$(call install_fixup,VERSION,$(KERNEL_VERSION))
@$(call install_fixup,SECTION,base)
@$(call install_fixup,AUTHOR,"Robert Schwebel <r.schwebel\@pengutronix.de>")
@$(call install_fixup,DEPENDS,)
@$(call install_fixup,DESCRIPTION,missing)
for i in $(KERNEL_TARGET_PATH); do \
if [ -f $$i ]; then \
$(call install_copy, 0, 0, 0644, $$i, /boot/$(KERNEL_TARGET), n)\
fi; \
done
@$(call install_finish)
endif
ifdef PTXCONF_KERNEL_INSTALL_MODULES
rm -fr $(KERNEL_INST_DIR)
@$(call install_init,default)
@$(call install_fixup,PACKAGE,kernel-modules)
@$(call install_fixup,PRIORITY,optional)
@$(call install_fixup,VERSION,$(KERNEL_VERSION))
@$(call install_fixup,SECTION,base)
@$(call install_fixup,AUTHOR,"Robert Schwebel <r.schwebel\@pengutronix.de>")
@$(call install_fixup,DEPENDS,)
@$(call install_fixup,DESCRIPTION,missing)
cd $(KERNEL_DIR) && $(KERNEL_PATH) make \
modules_install $(KERNEL_MAKEVARS) INSTALL_MOD_PATH=$(KERNEL_INST_DIR)
cd $(KERNEL_INST_DIR) && \
for file in `find . -type f | sed -e "s/\.\//\//g"`; do \
$(call install_copy, 0, 0, 0664, $(KERNEL_INST_DIR)/$$file, $$file, n) \
done
rm -fr $(KERNEL_INST_DIR)
@$(call install_finish)
endif
@$(call touch, $@)
# ----------------------------------------------------------------------------
# Clean
# ----------------------------------------------------------------------------
kernel_clean:
ifndef PTXCONF_USE_EXTERNAL_KERNEL
for i in `find $(STATEDIR) -name "kernel-feature-*.*" | sed -e 's/.*kernel-feature-\(.*\)\..*$$/\1/g'`; do \
if [ $$? -eq 0 ]; then \
rm -f $(STATEDIR)/kernel-feature-$$i*; \
rm -fr $(PTXDIST_TOPDIR)/feature-patches/$$i; \
fi; \
done; \
rm -f $(STATEDIR)/kernel-patchstack.get; \
rm -rf $(KERNEL_DIR)
endif
rm -f $(STATEDIR)/kernel.*
endif # NATIVE
# vim: syntax=make
|
