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 $(ARCH) | sed -e 's/i[3-9]86/i386/' \
  19         -e 's/mipsel/mips/' \
  20         -e 's/mipseb/mips/' \
  21         -e 's/powerpc/ppc/' \
  22         -e 's/sh[234]/sh/' \
  23 )
  24
  25 KPKG_MAKEOPTS:= IPKG="$(IPKG_KERNEL)" \
  26                 BOARD="$(BOARD)" \
  27                 KERNEL="$(KERNEL)" \
  28                 TARGET_DIR="$(LINUX_TARGET_DIR)" \
  29                 LINUX_BUILD_DIR="$(LINUX_BUILD_DIR)" \
  30                 LINUX_DIR="$(LINUX_DIR)" \
  31                 LINUX_VERSION="$(LINUX_VERSION)" \
  32                 LINUX_RELEASE="$(LINUX_RELEASE)"
  33
  34 KMOD_BUILD_DIR := $(LINUX_BUILD_DIR)/linux-modules
  35 MODULES_DIR := $(LINUX_BUILD_DIR)/modules/$(MODULES_SUBDIR)
  36 TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
  37
  38 ifeq ($(KERNEL),2.6)
  39 LINUX_KMOD_SUFFIX=ko
  40 else
  41 LINUX_KMOD_SUFFIX=o
  42 endif
  43
  44 define KMOD_template
  45 ifeq ($$(strip $(4)),)
  46 KDEPEND_$(1):=m
  47 else
  48 KDEPEND_$(1):=$($(4))
  49 endif
  50
  51 IDEPEND_$(1):=kernel ($(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)) $(foreach pkg,$(5),", $(pkg)")
  52
  53 PKG_$(1) := $(PACKAGE_DIR)/kmod-$(2)_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
  54 I_$(1) := $(KMOD_BUILD_DIR)/ipkg/$(2)
  55
  56 ifeq ($$(KDEPEND_$(1)),m)
  57 ifneq ($(BR2_PACKAGE_KMOD_$(1)),)
  58 TARGETS += $$(PKG_$(1))
  59 endif
  60 ifeq ($(BR2_PACKAGE_KMOD_$(1)),y)
  61 INSTALL_TARGETS += $$(PKG_$(1))
  62 endif
  63 endif
  64
  65 $$(PKG_$(1)): $(LINUX_DIR)/.modules_done
  66         rm -rf $$(I_$(1))
  67         $(SCRIPT_DIR)/make-ipkg-dir.sh $$(I_$(1)) ../control/kmod-$(2).control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH)
  68         echo "Depends: $$(IDEPEND_$(1))" >> $$(I_$(1))/CONTROL/control
  69 ifneq ($(strip $(3)),)
  70         mkdir -p $$(I_$(1))/lib/modules/$(LINUX_VERSION)
  71         $(CP) $(3) $$(I_$(1))/lib/modules/$(LINUX_VERSION)
  72 endif
  73 ifneq ($(6),)
  74         mkdir -p $$(I_$(1))/etc/modules.d
  75         for module in $(7); do \
  76                 echo $$$$module >> $$(I_$(1))/etc/modules.d/$(6)-$(2); \
  77         done
  78 endif
  79         $(8)
  80         $(IPKG_BUILD) $$(I_$(1)) $(PACKAGE_DIR) $(MAKE_TRACE)
  81
  82 endef
  83
  84 KERNEL_IPKG:=$(LINUX_BUILD_DIR)/kernel_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
  85 INSTALL_TARGETS := $(KERNEL_IPKG)
  86 TARGETS :=
  87