target/linux/Makefile.in

   1 #############################################################
   2 #
   3 # Linux kernel 2.6 target
   4 #
   5 #############################################################
   6 ifneq ($(filter $(TARGETS),linux26),)
   7
   8
   9 ifeq ($(DOWNLOAD_LINUX26_VERSION),)
  10 # User did not define linux version, try using headers
  11 ifeq ($(LINUX_HEADERS_VERSION),)
  12 # We did not have headers (this is for real???)
  13 # Version of linuc before patches
  14 DOWNLOAD_LINUX26_VERSION=2.6.22.1
  15 # Version of Linux after applying any patches
  16 LINUX26_VERSION=2.6.22.1
  17 else
  18 # OK, we have headers, use them...
  19 DOWNLOAD_LINUX26_VERSION=$(LINUX_HEADERS_VERSION)
  20 LINUX26_VERSION=$(LINUX_HEADERS_VERSION)
  21 endif
  22 endif
  23
  24 LINUX26_SOURCE=linux-$(DOWNLOAD_LINUX26_VERSION).tar.bz2
  25 LINUX26_BZCAT:=$(BZCAT)
  26 LINUX26_SITE=http://ftp.kernel.org/pub/linux/kernel/v2.6
  27
  28 ifeq ($(BOARD_PATH),)
  29 BOARD_PATH:=$(strip $(subst ",,$(BR2_BOARD_PATH)))
  30 #"))
  31 endif
  32
  33 # Linux kernel configuration file
  34 # Has to be set by the target/device
  35 # If it is not set by the target/device, then pick the one from .config
  36 ifndef LINUX26_KCONFIG
  37 ifneq ($(strip $(subst ",,$(BR2_PACKAGE_LINUX_KCONFIG))),)
  38 LINUX26_KCONFIG=$(strip $(subst ",,$(BR2_PACKAGE_LINUX_KCONFIG)))
  39 #"))
  40 #"))
  41 else
  42 # LINUX26_KCONFIG=$(BOARD_PATH)/linux26.config
  43 endif
  44 endif
  45
  46 ifndef LINUX26_FORMAT
  47 ifneq ($(strip $(subst ",,$(BR2_PACKAGE_LINUX_FORMAT))),)
  48 LINUX26_FORMAT=$(strip $(subst ",,$(BR2_PACKAGE_LINUX_FORMAT)))
  49 #"))
  50 #"))
  51 else
  52 LINUX26_FORMAT=zImage
  53 endif
  54 endif
  55
  56 # Has to be set by the target/device
  57 ifndef LINUX26_BINLOC
  58 # default:
  59 ifeq ($(LINUX26_FORMAT),vmlinux)
  60 LINUX26_BINLOC=$(LINUX26_FORMAT)
  61 else
  62 LINUX26_BINLOC=arch/$(KERNEL_ARCH)/boot/$(LINUX26_FORMAT)
  63 endif
  64 endif
  65
  66 # File name for the Linux kernel binary
  67 ifndef LINUX26_KERNEL
  68 LINUX26_KERNEL=$(BINARIES_DIR)/linux-kernel-$(LINUX26_VERSION)-$(KERNEL_ARCH)
  69 endif
  70
  71 # Version of Linux AFTER patches
  72 LINUX26_DIR=$(PROJECT_BUILD_DIR)/linux-$(LINUX26_VERSION)
  73
  74 # for packages that need it
  75 LINUX_VERSION:=$(LINUX26_VERSION)
  76 LINUX_DIR=$(LINUX26_DIR)
  77 LINUX_KERNEL=$(LINUX26_KERNEL)
  78
  79 # kernel patches
  80 ifeq ($(strip $(LINUX26_PATCH_DIR)),)
  81 ifneq ($(BOARD_PATH),)
  82 LINUX26_PATCH_DIR:=$(BOARD_PATH)/kernel-patches/
  83 #"))
  84 endif
  85 endif
  86 __LINUX26_NO_PIC=-fPIC -fpic -DPIC -fwrapv -ftrapv
  87 LINUX26_MAKE_FLAGS = HOSTCC="$(HOSTCC)" HOSTCFLAGS="$(HOSTCFLAGS)" \
  88         ARCH=$(KERNEL_ARCH) \
  89         CFLAGS_KERNEL="$(filter-out $(__LINUX26_NO_PIC),$(TARGET_CFLAGS))" \
  90         INSTALL_MOD_PATH=$(TARGET_DIR) \
  91         CROSS_COMPILE=$(KERNEL_CROSS) \
  92         LDFLAGS="$(TARGET_LDFLAGS)" \
  93         LZMA="$(LZMA)"
  94
  95 $(LINUX26_KCONFIG):
  96         @if [ ! -f "$(LINUX26_KCONFIG)" ] ; then \
  97                 echo ""; \
  98                 echo "You should create a .config for your kernel"; \
  99                 echo "and install it as $(LINUX26_KCONFIG)"; \
 100                 echo ""; \
 101                 sleep 5; \
 102         fi
 103
 104 ifneq ($(strip $(LINUX26_VERSION)),$(strip $(LINUX_HEADERS_VERSION)))
 105 $(DL_DIR)/$(LINUX26_SOURCE):
 106          $(WGET) -P $(DL_DIR) $(LINUX26_SITE)/$(LINUX26_SOURCE)
 107 endif # ($(LINUX26_VERSION),$(LINUX_HEADERS_VERSION))
 108
 109 $(LINUX26_DIR)/.unpacked: $(DL_DIR)/$(LINUX26_SOURCE)
 110         rm -rf $(LINUX26_DIR)
 111         @echo "*** Unpacking kernel source"
 112         $(LINUX26_BZCAT) $(DL_DIR)/$(LINUX26_SOURCE) | tar -C $(PROJECT_BUILD_DIR) $(TAR_OPTIONS) -
 113 ifneq ($(DOWNLOAD_LINUX26_VERSION),$(LINUX26_VERSION))
 114         # Rename the dir from the downloaded version to the AFTER patch version
 115         mv -f $(PROJECT_BUILD_DIR)/linux-$(DOWNLOAD_LINUX26_VERSION) $(LINUX26_DIR)
 116 endif
 117         touch $@
 118
 119 $(LINUX26_DIR)/.patched: $(LINUX26_DIR)/.unpacked $(LINUX_HEADERS_DEPENDS)
 120         toolchain/patch-kernel.sh $(LINUX26_DIR) toolchain/kernel-headers \
 121                 linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2}
 122 ifeq ($(BR2_KERNEL_HEADERS_IPMI),y)
 123         toolchain/patch-kernel.sh $(LINUX26_DIR) toolchain/kernel-headers/ipmi \
 124                 linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2}
 125 endif
 126 ifeq ($(BR2_KERNEL_HEADERS_LZMA),y)
 127         toolchain/patch-kernel.sh $(LINUX26_DIR) toolchain/kernel-headers/lzma \
 128                 linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2}
 129 endif
 130 ifeq ($(BR2_KERNEL_HEADERS_RT),y)
 131         toolchain/patch-kernel.sh $(LINUX26_DIR) $(DL_DIR) $(LINUX_RT_SOURCE)
 132 endif
 133 ifeq ($(BR2_KERNEL_HEADERS_PATCH_DIR),y)
 134         toolchain/patch-kernel.sh $(LINUX26_DIR) $(KERNEL_HEADERS_PATCH_DIR) \
 135                 linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2}
 136 endif
 137 ifeq ($(BR2_PACKAGE_OPENSWAN),y)
 138         toolchain/patch-kernel.sh $(LINUX26_DIR) package/openswan \
 139                 linux-$(LINUX26_VERSION)-\*.patch{,.gz,.bz2}
 140 endif
 141 ifneq ($(LINUX26_PATCH_DIR),)
 142         if [ -d $(LINUX26_PATCH_DIR) ] ; then \
 143                 toolchain/patch-kernel.sh $(LINUX26_DIR) $(LINUX26_PATCH_DIR) linux-$(LINUX26_VERSION)\*.patch ; \
 144         fi
 145 endif
 146         touch $@
 147
 148 $(LINUX26_DIR)/.configured: $(LINUX26_DIR)/.patched $(LINUX26_KCONFIG)
 149         cp -dpf $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config
 150         $(SED) '/CONFIG_AEABI=y/d' $(LINUX26_DIR)/.config
 151 ifeq ($(BR2_ARM_EABI),y)
 152         echo "CONFIG_AEABI=y" >> $(LINUX26_DIR)/.config
 153         $(SED) '/CONFIG_OABI_COMPAT/d' $(LINUX26_DIR)/.config
 154         echo "# CONFIG_OABI_COMPAT is not set" >> $(LINUX26_DIR)/.config
 155 else
 156         echo "# CONFIG_AEABI is not set" >> $(LINUX26_DIR)/.config
 157 endif
 158         $(SED) '/CONFIG_CPU_BIG_ENDIAN/d' \
 159                 -e '/CONFIG_CPU_LITTLE_ENDIAN/d' $(LINUX26_DIR)/.config
 160 ifeq ($(BR2_mips),y)
 161         echo "CONFIG_CPU_BIG_ENDIAN=y" >> $(LINUX26_DIR)/.config
 162 endif
 163 ifeq ($(BR2_mipsel),y)
 164         echo "CONFIG_CPU_LITTLE_ENDIAN=y" >> $(LINUX26_DIR)/.config
 165 endif
 166         $(SED) '/CONFIG_IPV6=y/d' $(LINUX26_DIR)/.config
 167 ifeq ($(BR2_INET_IPV6),y)
 168         echo "CONFIG_IPV6=y" >> $(LINUX26_DIR)/.config
 169 else
 170         echo "# CONFIG_IPV6 is not set" >> $(LINUX26_DIR)/.config
 171 endif
 172         $(SED) '/CONFIG_INITRAMFS_SOURCE/d' $(LINUX26_DIR)/.config
 173         $(SED) '/INITRAMFS_ROOT_.ID/d' $(LINUX26_DIR)/.config
 174 ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
 175         echo "CONFIG_INITRAMFS_SOURCE=\"$(INITRAMFS_TARGET)\"" >> \
 176                 $(LINUX26_DIR)/.config
 177         echo "CONFIG_INITRAMFS_ROOT_UID=0" >> $(LINUX26_DIR)/.config
 178         echo "CONFIG_INITRAMFS_ROOT_GID=0" >> $(LINUX26_DIR)/.config
 179 else
 180         echo "CONFIG_INITRAMFS_SOURCE=\"\"" >> $(LINUX26_DIR)/.config
 181 endif
 182 ifeq ($(BR2_PACKAGE_BUSYBOX_INITRAMFS),y)
 183         # precedence for a small initramfs
 184         $(SED) '/CONFIG_INITRAMFS_SOURCE/d' $(LINUX26_DIR)/.config
 185         $(SED) '/INITRAMFS_ROOT_.ID/d' $(LINUX26_DIR)/.config
 186         echo "CONFIG_INITRAMFS_SOURCE=\"$(BB_INITRAMFS_TARGET)\"" >> \
 187                 $(LINUX26_DIR)/.config
 188         echo "CONFIG_INITRAMFS_ROOT_UID=0" >> $(LINUX26_DIR)/.config
 189         echo "CONFIG_INITRAMFS_ROOT_GID=0" >> $(LINUX26_DIR)/.config
 190 endif
 191         $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) oldconfig
 192         touch $@
 193
 194 $(LINUX26_DIR)/.depend_done: $(LINUX26_DIR)/.configured
 195         $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) prepare
 196         touch $@
 197
 198 $(LINUX26_KERNEL): $(INITRAMFS_TARGET) $(BB_INITRAMFS_TARGET) \
 199                 $(LINUX26_DIR)/.depend_done
 200         $(MAKE) $(LINUX26_MAKE_FLAGS) \
 201                 -C $(LINUX26_DIR) $(LINUX26_FORMAT)
 202         cp -dpf $(LINUX26_DIR)/$(LINUX26_BINLOC) $(LINUX26_KERNEL)
 203         touch -c $@
 204
 205 $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/modules.dep: $(LINUX26_DIR)/.configured
 206         rm -rf $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)
 207         rm -f $(TARGET_DIR)/sbin/cardmgr
 208         $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) modules
 209         $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) \
 210                 DEPMOD=$(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-depmod26 \
 211                 INSTALL_MOD_PATH=$(TARGET_DIR) modules_install
 212         rm -f $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/build
 213         rm -f $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/source
 214         $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-depmod26 -b $(TARGET_DIR) $(LINUX_HEADERS_VERSION)
 215         touch -c $@
 216
 217 linux26-menuconfig: $(LINUX26_DIR)/.patched host-sed
 218         [ -f $(LINUX26_DIR)/.config ] || cp $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config
 219         $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) menuconfig
 220         -[ -f $(LINUX26_DIR)/.config ] && touch $(LINUX26_DIR)/.configured
 221
 222 linux26-xconfig: $(LINUX26_DIR)/.patched host-sed
 223         [ -f $(LINUX26_DIR)/.config ] || cp $(LINUX26_KCONFIG) $(LINUX26_DIR)/.config
 224         $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) xconfig
 225         -[ -f $(LINUX26_DIR)/.config ] && touch $(LINUX26_DIR)/.configured
 226
 227 linux26: $(LINUX26_KERNEL)
 228
 229 $(LINUX26_DIR)/.modules_installed: $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/modules.dep
 230         touch $@
 231
 232 linux26-modules: cross-depmod26 $(LINUX26_DIR)/.modules_installed
 233
 234 linux26-source: $(DL_DIR)/$(LINUX26_SOURCE)
 235
 236 linux26-unpacked: $(LINUX26_DIR)/.patched
 237
 238 linux26-config: host-sed $(LINUX26_DIR)/.configured
 239
 240 linux26-update:
 241         cp -dpf $(LINUX26_DIR)/.config $(LINUX26_KCONFIG)
 242
 243 # This has been renamed so we do _NOT_ by default run this on 'make clean'
 244 linux26clean:
 245         rm -f $(LINUX26_KERNEL) $(LINUX26_DIR)/.configured
 246         -$(MAKE) PATH=$(TARGET_PATH) -C $(LINUX26_DIR) clean
 247
 248 linux26-dirclean:
 249         rm -rf $(LINUX26_DIR)
 250
 251 endif