include/kernel.mk

   1 #
   2 # Copyright (C) 2006 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7 ifeq ($(DUMP),1)
   8   KERNEL:=<KERNEL>
   9   BOARD:=<BOARD>
  10   LINUX_VERSION:=<LINUX_VERSION>
  11 else
  12
  13   include $(TOPDIR)/.kernel.mk
  14   include $(INCLUDE_DIR)/target.mk
  15
  16   # check to see if .kernel.mk matches target.mk
  17   ifeq ($(CONFIG_BOARD)-$(CONFIG_KERNEL),$(BOARD)-$(KERNEL))
  18      LINUX_VERSION:=$(CONFIG_LINUX_VERSION)
  19      LINUX_RELEASE:=$(CONFIG_LINUX_RELEASE)
  20      LINUX_KARCH:=$(CONFIG_LINUX_KARCH)
  21   else
  22   # oops, old .kernel.config; rebuild it (hiding the misleading errors this produces)
  23     $(warning rebuilding .kernel.mk)
  24     $(TOPDIR)/.kernel.mk: FORCE
  25         @$(MAKE) -C $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL) $@ &>/dev/null
  26   endif
  27
  28   ifeq ($(KERNEL),2.6)
  29     LINUX_KMOD_SUFFIX=ko
  30   else
  31     LINUX_KMOD_SUFFIX=o
  32   endif
  33
  34   KERNELNAME=
  35   ifneq (,$(findstring x86,$(BOARD)))
  36     KERNELNAME="bzImage"
  37   endif
  38   ifneq (,$(findstring ppc,$(BOARD)))
  39     KERNELNAME="uImage"
  40   endif
  41
  42   ifneq (,$(findstring uml,$(BOARD)))
  43     LINUX_KARCH:=um
  44     KERNEL_CC:=$(HOSTCC)
  45     KERNEL_CROSS:=
  46   else
  47     KERNEL_CC:=$(TARGET_CC)
  48     KERNEL_CROSS:=$(TARGET_CROSS)
  49   endif
  50
  51   KERNEL_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
  52   LINUX_DIR := $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
  53
  54   MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
  55   MODULES_DIR := $(KERNEL_BUILD_DIR)/modules/$(MODULES_SUBDIR)
  56   TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
  57   KMOD_BUILD_DIR := $(KERNEL_BUILD_DIR)/linux-modules
  58
  59   LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
  60 endif
  61
  62 # FIXME: remove this crap
  63 define KMOD_template
  64 ifeq ($$(strip $(4)),)
  65 KDEPEND_$(1):=m
  66 else
  67 KDEPEND_$(1):=$($(4))
  68 endif
  69
  70 IDEPEND_$(1):=kernel ($(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)) $(foreach pkg,$(5),", $(pkg)")
  71
  72 PKG_$(1) := $(PACKAGE_DIR)/kmod-$(2)_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
  73 I_$(1) := $(KMOD_BUILD_DIR)/ipkg/$(2)
  74
  75 ifeq ($$(KDEPEND_$(1)),m)
  76 ifneq ($$(CONFIG_PACKAGE_KMOD_$(1)),)
  77 TARGETS += $$(PKG_$(1))
  78 endif
  79 ifeq ($$(CONFIG_PACKAGE_KMOD_$(1)),y)
  80 INSTALL_TARGETS += $$(PKG_$(1))
  81 endif
  82 endif
  83
  84 $$(PKG_$(1)): $(LINUX_DIR)/.modules_done
  85         rm -rf $$(I_$(1))
  86         $(SCRIPT_DIR)/make-ipkg-dir.sh $$(I_$(1)) ../control/kmod-$(2).control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH)
  87         echo "Depends: $$(IDEPEND_$(1))" >> $$(I_$(1))/CONTROL/control
  88 ifneq ($(strip $(3)),)
  89         mkdir -p $$(I_$(1))/lib/modules/$(LINUX_VERSION)
  90         $(CP) $(3) $$(I_$(1))/lib/modules/$(LINUX_VERSION)
  91 endif
  92 ifneq ($(6),)
  93         mkdir -p $$(I_$(1))/etc/modules.d
  94         for module in $(7); do \
  95                 echo $$$$module >> $$(I_$(1))/etc/modules.d/$(6)-$(2); \
  96         done
  97         echo "#!/bin/sh" >> $$(I_$(1))/CONTROL/postinst
  98         echo "[ -z \"\$$$$IPKG_INSTROOT\" ] || exit" >> $$(I_$(1))/CONTROL/postinst
  99         echo ". /etc/functions.sh" >> $$(I_$(1))/CONTROL/postinst
 100         echo "load_modules /etc/modules.d/$(6)-$(2)" >> $$(I_$(1))/CONTROL/postinst
 101         chmod 0755 $$(I_$(1))/CONTROL/postinst
 102 endif
 103         $(8)
 104         $(IPKG_BUILD) $$(I_$(1)) $(PACKAGE_DIR)
 105 endef
 106