mk/kernel.mk

   1 # This file is part of the OpenADK project. OpenADK is copyrighted
   2 # material, please see the LICENCE file in the top-level directory.
   3
   4 include $(ADK_TOPDIR)/mk/kernel-ver.mk
   5
   6 LINUX_KMOD_SUFFIX=ko
   7 MODULES_SUBDIR := lib/modules/$(KERNEL_MOD_VERSION)
   8 LINUX_BUILD_DIR := $(BUILD_DIR)/linux-$(ADK_TARGET_ARCH)
   9 KMOD_BUILD_DIR := $(LINUX_BUILD_DIR)/linux-modules
  10 MODULES_DIR := $(LINUX_BUILD_DIR)/modules/$(MODULES_SUBDIR)
  11 TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
  12
  13 INSTALL_TARGETS:= $(KERNEL_PKG)
  14 NOINSTALL_TARGETS:=
  15 TARGETS:=
  16
  17 ifneq ($(ADK_RUNTIME_DEV_UDEV),y)
  18 # KMOD_template (not used for udev which autoloads modules)
  19 #
  20 # Adds a target for creating a package containing
  21 # the specified (kernel-provided) modules.
  22 # Parameters:
  23 # 1: the config symbol name (without leading 'ADK_KERNEL_')
  24 #    this _must_ be equal to the kernel config symbol name
  25 # 2: the name for the package, should be unique
  26 # 3: actual modules to add; absolute path inside $(MODULES_DIR)
  27 #    OMIT THE KERNEL-SPECIFIC EXTENSION!
  28 # 4: order of module loading at system startup; the modules in $(3) are (in their order)
  29 #    added to this file, if $(6) is non-empty
  30 # 5: the kmod packages this package depends on
  31 #
  32 define KMOD_template
  33
  34 IDEPENDK_$(1):=kernel ($(KERNEL_VERSION)) $(foreach pkg,$(5),", $(pkg)")
  35
  36 PKG_$(1) := $(PACKAGE_DIR)/kmod-$(2)_$(KERNEL_VERSION)-$(KERNEL_RELEASE)_$(ADK_TARGET_CPU_ARCH).$(PKG_SUFFIX)
  37 I_$(1) := $(KMOD_BUILD_DIR)/ipkg/$(2)
  38
  39 ifeq ($${ADK_TARGET_KERNEL_CUSTOMISING},y)
  40 ifeq ($$(ADK_KERNEL_$(1)),m)
  41 TARGETS+=$$(PKG_$(1))
  42 INSTALL_TARGETS+=$$(PKG_$(1))
  43 endif
  44 endif
  45
  46 $$(PKG_$(1)):
  47         rm -rf $$(I_$(1))
  48         @mkdir -p $$(I_$(1))
  49         echo "Package: kmod-$(2)" > $(LINUX_BUILD_DIR)/kmod-control/kmod-$(2).control
  50         echo "Priority: optional" >> $(LINUX_BUILD_DIR)/kmod-control/kmod-$(2).control
  51         echo "Section: sys" >> $(LINUX_BUILD_DIR)/kmod-control/kmod-$(2).control
  52         echo "Description: kernel module $(2)" >> $(LINUX_BUILD_DIR)/kmod-control/kmod-$(2).control
  53         ${BASH} ${SCRIPT_DIR}/make-ipkg-dir.sh $$(I_$(1)) \
  54             $(LINUX_BUILD_DIR)/kmod-control/kmod-$(2).control \
  55             $(KERNEL_VERSION)-$(KERNEL_RELEASE) $(ADK_TARGET_CPU_ARCH)
  56         echo "Depends: $$(IDEPENDK_$(1))" >> $$(I_$(1))/CONTROL/control
  57 ifneq ($(strip $(3)),)
  58         mkdir -p $$(I_$(1))/lib/modules/$(KERNEL_MOD_VERSION)
  59         $(CP) $(foreach mod,$(3),$(mod).$(LINUX_KMOD_SUFFIX)) $$(I_$(1))/lib/modules/$(KERNEL_MOD_VERSION)
  60 ifneq ($(4),)
  61         mkdir -p $$(I_$(1))/etc/modules.d
  62         for module in $(notdir $(3)); do \
  63                 echo $$$$module >> $$(I_$(1))/etc/modules.d/$(4)-$(2); \
  64         done
  65         echo "#!/bin/sh" >> $$(I_$(1))/CONTROL/postinst
  66         echo "if [ -z \"\$$$${IPKG_INSTROOT}\" ]; then" >> $$(I_$(1))/CONTROL/postinst
  67         echo ". /etc/functions.sh" >> $$(I_$(1))/CONTROL/postinst
  68         echo "load_modules /etc/modules.d/$(4)-$(2)" >> $$(I_$(1))/CONTROL/postinst
  69         echo "fi" >> $$(I_$(1))/CONTROL/postinst
  70         chmod 0755 $$(I_$(1))/CONTROL/postinst
  71 endif
  72 endif
  73         $${RSTRIP} $${I_$(1)} $(MAKE_TRACE)
  74         $(PKG_BUILD) $$(I_$(1)) $(PACKAGE_DIR) $(MAKE_TRACE)
  75 endef
  76 endif
  77
  78 include $(BUILD_DIR)/.kernelconfig