openwrt/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      RELEASE:=$(CONFIG_RELEASE)
  20   else
  21   # oops, old .kernel.config; rebuild it (hiding the misleading errors this produces)
  22     $(warning rebuilding .kernel.mk)
  23     $(TOPDIR)/.kernel.mk: FORCE
  24         @$(MAKE) -C $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL) $@ &>/dev/null
  25   endif
  26
  27   ifeq ($(KERNEL),2.6)
  28     LINUX_KMOD_SUFFIX=ko
  29   else
  30     LINUX_KMOD_SUFFIX=o
  31   endif
  32
  33   LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
  34         -e 's/mipsel/mips/' \
  35         -e 's/mipseb/mips/' \
  36         -e 's/powerpc/ppc/' \
  37         -e 's/sh[234]/sh/' \
  38         -e 's/armeb/arm/' \
  39   )
  40
  41   ifneq (,$(findstring uml,$(BOARD)))
  42     LINUX_KARCH:=um
  43     KERNEL_CC:=$(HOSTCC)
  44     KERNEL_CROSS:=
  45   else
  46     KERNEL_CC:=$(TARGET_CC)
  47     KERNEL_CROSS:=$(TARGET_CROSS)
  48   endif
  49
  50   KERNEL_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
  51   LINUX_DIR := $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
  52
  53   MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
  54   MODULES_DIR := $(KERNEL_BUILD_DIR)/modules/$(MODULES_SUBDIR)
  55   TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
  56   KMOD_BUILD_DIR := $(KERNEL_BUILD_DIR)/linux-modules
  57
  58   LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
  59 endif
  60
  61 # FIXME: remove this crap
  62 define KMOD_template
  63 ifeq ($$(strip $(4)),)
  64 KDEPEND_$(1):=m
  65 else
  66 KDEPEND_$(1):=$($(4))
  67 endif
  68
  69 IDEPEND_$(1):=kernel ($(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)) $(foreach pkg,$(5),", $(pkg)")
  70
  71 PKG_$(1) := $(PACKAGE_DIR)/kmod-$(2)_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
  72 I_$(1) := $(KMOD_BUILD_DIR)/ipkg/$(2)
  73
  74 ifeq ($$(KDEPEND_$(1)),m)
  75 ifneq ($$(CONFIG_PACKAGE_KMOD_$(1)),)
  76 TARGETS += $$(PKG_$(1))
  77 endif
  78 ifeq ($$(CONFIG_PACKAGE_KMOD_$(1)),y)
  79 INSTALL_TARGETS += $$(PKG_$(1))
  80 endif
  81 endif
  82
  83 $$(PKG_$(1)): $(LINUX_DIR)/.modules_done
  84         rm -rf $$(I_$(1))
  85         $(SCRIPT_DIR)/make-ipkg-dir.sh $$(I_$(1)) ../control/kmod-$(2).control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH)
  86         echo "Depends: $$(IDEPEND_$(1))" >> $$(I_$(1))/CONTROL/control
  87 ifneq ($(strip $(3)),)
  88         mkdir -p $$(I_$(1))/lib/modules/$(LINUX_VERSION)
  89         $(CP) $(3) $$(I_$(1))/lib/modules/$(LINUX_VERSION)
  90 endif
  91 ifneq ($(6),)
  92         mkdir -p $$(I_$(1))/etc/modules.d
  93         for module in $(7); do \
  94                 echo $$$$module >> $$(I_$(1))/etc/modules.d/$(6)-$(2); \
  95         done
  96         echo "#!/bin/sh" >> $$(I_$(1))/CONTROL/postinst
  97         echo "[ -z \"\$$$$IPKG_INSTROOT\" ] || exit" >> $$(I_$(1))/CONTROL/postinst
  98         echo ". /etc/functions.sh" >> $$(I_$(1))/CONTROL/postinst
  99         echo "load_modules /etc/modules.d/$(6)-$(2)" >> $$(I_$(1))/CONTROL/postinst
 100         chmod 0755 $$(I_$(1))/CONTROL/postinst
 101 endif
 102         $(8)
 103         $(IPKG_BUILD) $$(I_$(1)) $(PACKAGE_DIR)
 104 endef
 105