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