target/linux/rules.mk

   1 KERNEL:=unknown
   2 ifneq (,$(findstring 2.4.,$(LINUX_VERSION)))
   3 KERNEL:=2.4
   4 endif
   5 ifneq (,$(findstring 2.6.,$(LINUX_VERSION)))
   6 KERNEL:=2.6
   7 endif
   8
   9 MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
  10
  11 LINUX_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
  12 ifeq ($(LINUX_NAME),)
  13 LINUX_NAME:=linux-$(LINUX_VERSION)
  14 endif
  15 LINUX_DIR := $(LINUX_BUILD_DIR)/$(LINUX_NAME)
  16 LINUX_KERNEL:=$(LINUX_BUILD_DIR)/vmlinux
  17
  18 LINUX_TARGET_DIR:=$(LINUX_BUILD_DIR)/root
  19
  20 LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
  21         -e 's/mipsel/mips/' \
  22         -e 's/mipseb/mips/' \
  23         -e 's/powerpc/ppc/' \
  24         -e 's/sh[234]/sh/' \
  25         -e 's/armeb/arm/' \
  26 )
  27
  28 KMOD_BUILD_DIR := $(LINUX_BUILD_DIR)/linux-modules
  29 MODULES_DIR := $(LINUX_BUILD_DIR)/modules/$(MODULES_SUBDIR)
  30 TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
  31
  32 ifeq ($(KERNEL),2.6)
  33 LINUX_KMOD_SUFFIX=ko
  34 else
  35 LINUX_KMOD_SUFFIX=o
  36 endif
  37
  38 define KMOD_template
  39 ifeq ($$(strip $(4)),)
  40 KDEPEND_$(1):=m
  41 else
  42 KDEPEND_$(1):=$($(4))
  43 endif
  44
  45 IDEPEND_$(1):=kernel ($(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)) $(foreach pkg,$(5),", $(pkg)")
  46
  47 PKG_$(1) := $(PACKAGE_DIR)/kmod-$(2)_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
  48 I_$(1) := $(KMOD_BUILD_DIR)/ipkg/$(2)
  49
  50 ifeq ($$(KDEPEND_$(1)),m)
  51 ifneq ($(CONFIG_PACKAGE_KMOD_$(1)),)
  52 TARGETS += $$(PKG_$(1))
  53 endif
  54 ifeq ($(CONFIG_PACKAGE_KMOD_$(1)),y)
  55 INSTALL_TARGETS += $$(PKG_$(1))
  56 endif
  57 endif
  58
  59 $$(PKG_$(1)): $(LINUX_DIR)/.modules_done
  60         rm -rf $$(I_$(1))
  61         $(SCRIPT_DIR)/make-ipkg-dir.sh $$(I_$(1)) ../control/kmod-$(2).control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH)
  62         echo "Depends: $$(IDEPEND_$(1))" >> $$(I_$(1))/CONTROL/control
  63 ifneq ($(strip $(3)),)
  64         mkdir -p $$(I_$(1))/lib/modules/$(LINUX_VERSION)
  65         $(CP) $(3) $$(I_$(1))/lib/modules/$(LINUX_VERSION)
  66 endif
  67 ifneq ($(6),)
  68         mkdir -p $$(I_$(1))/etc/modules.d
  69         for module in $(7); do \
  70                 echo $$$$module >> $$(I_$(1))/etc/modules.d/$(6)-$(2); \
  71         done
  72         echo "#!/bin/sh" >> $$(I_$(1))/CONTROL/postinst
  73         echo "[ -z \"\$$$$IPKG_INSTROOT\" ] || exit" >> $$(I_$(1))/CONTROL/postinst
  74         echo ". /etc/functions.sh" >> $$(I_$(1))/CONTROL/postinst
  75         echo "load_modules /etc/modules.d/$(6)-$(2)" >> $$(I_$(1))/CONTROL/postinst
  76         chmod 0755 $$(I_$(1))/CONTROL/postinst
  77 endif
  78         $(8)
  79         $(IPKG_BUILD) $$(I_$(1)) $(PACKAGE_DIR)
  80 endef
  81
  82 KERNEL_IPKG:=$(LINUX_BUILD_DIR)/kernel_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
  83 INSTALL_TARGETS := $(KERNEL_IPKG)
  84 TARGETS :=
  85