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 -include $(TOPDIR)/.kernel.mk
  13
  14 ifneq (,$(findstring 2.4.,$(LINUX_VERSION)))
  15 KERNEL:=2.4
  16 LINUX_KMOD_SUFFIX=o
  17 endif
  18 ifneq (,$(findstring 2.6.,$(LINUX_VERSION)))
  19 KERNEL:=2.6
  20 LINUX_KMOD_SUFFIX=ko
  21 endif
  22
  23 LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
  24         -e 's/mipsel/mips/' \
  25         -e 's/mipseb/mips/' \
  26         -e 's/powerpc/ppc/' \
  27         -e 's/sh[234]/sh/' \
  28         -e 's/armeb/arm/' \
  29 )
  30
  31 ifneq (,$(findstring uml,$(BOARD)))
  32   LINUX_KARCH:=um
  33   KERNEL_CC:=$(HOSTCC)
  34   KERNEL_CROSS:=
  35 else
  36   KERNEL_CC:=$(TARGET_CC)
  37   KERNEL_CROSS:=$(TARGET_CROSS)
  38 endif
  39
  40 KERNEL_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
  41 LINUX_DIR := $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
  42
  43 MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
  44 MODULES_DIR := $(KERNEL_BUILD_DIR)/modules/$(MODULES_SUBDIR)
  45 TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
  46 KMOD_BUILD_DIR := $(KERNEL_BUILD_DIR)/linux-modules
  47
  48 LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
  49 endif
  50
  51 # FIXME: remove this crap
  52 define KMOD_template
  53 ifeq ($$(strip $(4)),)
  54 KDEPEND_$(1):=m
  55 else
  56 KDEPEND_$(1):=$($(4))
  57 endif
  58
  59 IDEPEND_$(1):=kernel ($(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)) $(foreach pkg,$(5),", $(pkg)")
  60
  61 PKG_$(1) := $(PACKAGE_DIR)/kmod-$(2)_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
  62 I_$(1) := $(KMOD_BUILD_DIR)/ipkg/$(2)
  63
  64 ifeq ($$(KDEPEND_$(1)),m)
  65 ifneq ($$(CONFIG_PACKAGE_KMOD_$(1)),)
  66 TARGETS += $$(PKG_$(1))
  67 endif
  68 ifeq ($$(CONFIG_PACKAGE_KMOD_$(1)),y)
  69 INSTALL_TARGETS += $$(PKG_$(1))
  70 endif
  71 endif
  72
  73 $$(PKG_$(1)): $(LINUX_DIR)/.modules_done
  74         rm -rf $$(I_$(1))
  75         $(SCRIPT_DIR)/make-ipkg-dir.sh $$(I_$(1)) ../control/kmod-$(2).control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH)
  76         echo "Depends: $$(IDEPEND_$(1))" >> $$(I_$(1))/CONTROL/control
  77 ifneq ($(strip $(3)),)
  78         mkdir -p $$(I_$(1))/lib/modules/$(LINUX_VERSION)
  79         $(CP) $(3) $$(I_$(1))/lib/modules/$(LINUX_VERSION)
  80 endif
  81 ifneq ($(6),)
  82         mkdir -p $$(I_$(1))/etc/modules.d
  83         for module in $(7); do \
  84                 echo $$$$module >> $$(I_$(1))/etc/modules.d/$(6)-$(2); \
  85         done
  86         echo "#!/bin/sh" >> $$(I_$(1))/CONTROL/postinst
  87         echo "[ -z \"\$$$$IPKG_INSTROOT\" ] || exit" >> $$(I_$(1))/CONTROL/postinst
  88         echo ". /etc/functions.sh" >> $$(I_$(1))/CONTROL/postinst
  89         echo "load_modules /etc/modules.d/$(6)-$(2)" >> $$(I_$(1))/CONTROL/postinst
  90         chmod 0755 $$(I_$(1))/CONTROL/postinst
  91 endif
  92         $(8)
  93         $(IPKG_BUILD) $$(I_$(1)) $(PACKAGE_DIR)
  94 endef
  95