package/busybox/initramfs.mk

   1 #############################################################
   2 #
   3 # busybox image for initramfs
   4 #
   5 #############################################################
   6 ifeq ($(BR2_PACKAGE_BUSYBOX_INITRAMFS),y)
   7
   8 BUSYBOX_INITRAMFS_DIR:=$(BUSYBOX_DIR)-initramfs
   9 BR2_INITRAMFS_DIR:=$(PROJECT_BUILD_DIR)/initramfs
  10 BB_INITRAMFS_TARGET:=$(IMAGE).initramfs_lst
  11 BB_INITRAMFS_TARGET_F:=$(notdir $(BB_INITRAMFS_TARGET))
  12
  13 $(BUSYBOX_INITRAMFS_DIR)/.unpacked: $(DL_DIR)/$(BUSYBOX_SOURCE)
  14         rm -rf $(BUILD_DIR)/tmp $(BUSYBOX_INITRAMFS_DIR)
  15         mkdir -p $(BUILD_DIR)/tmp
  16         $(BUSYBOX_UNZIP) $(DL_DIR)/$(BUSYBOX_SOURCE) | tar -C $(BUILD_DIR)/tmp $(TAR_OPTIONS) -
  17 ifeq ($(BR2_PACKAGE_BUSYBOX_SNAPSHOT),y)
  18         mv $(BUILD_DIR)/tmp/busybox $(BUSYBOX_INITRAMFS_DIR)
  19 else
  20         mv $(BUILD_DIR)/tmp/busybox-$(BUSYBOX_VERSION) $(BUSYBOX_INITRAMFS_DIR)
  21 endif
  22 ifeq ($(BR2_USE_UPDATES),y)
  23         (cd $(@D) && $(SVN_UP))
  24 endif
  25         touch $@
  26
  27 $(BUSYBOX_INITRAMFS_DIR)/.config $(BUSYBOX_INITRAMFS_DIR)/.configured: $(BUSYBOX_INITRAMFS_DIR)/.unpacked
  28         $(MAKE) HOSTCC="$(HOSTCC) $(HOST_CFLAGS)" \
  29                 CC=$(TARGET_CC) CROSS_COMPILE="$(TARGET_CROSS)" \
  30                 CROSS="$(TARGET_CROSS)" -C $(BUSYBOX_INITRAMFS_DIR) \
  31                 allnoconfig
  32         mv $(BUSYBOX_INITRAMFS_DIR)/.config $(BUSYBOX_INITRAMFS_DIR)/.config.no
  33         (echo CONFIG_PREFIX=\"$(BR2_INITRAMFS_DIR)\"; \
  34          echo CONFIG_NITPICK=y; \
  35          echo CONFIG_FEATURE_BUFFERS_USE_MALLOC=y; \
  36          echo CONFIG_INCLUDE_SUSv2=n; \
  37          echo CONFIG_CAT=y; \
  38          echo CONFIG_CHROOT=y; \
  39          echo CONFIG_DD=y; \
  40          echo CONFIG_FEATURE_DD_IBS_OBS=y; \
  41          echo CONFIG_ECHO=y; \
  42          echo CONFIG_FALSE=y; \
  43          echo CONFIG_GETTY=y; \
  44          echo CONFIG_GUNZIP=y; \
  45          echo CONFIG_HALT=y; \
  46          echo CONFIG_HOSTNAME=y; \
  47          echo CONFIG_INIT=y; \
  48          echo CONFIG_INSMOD=y; \
  49          echo CONFIG_IP=y; \
  50          echo CONFIG_KILL=y; \
  51          echo CONFIG_LN=y; \
  52          echo CONFIG_LOGIN=y; \
  53          echo CONFIG_MDEV=y; \
  54          echo CONFIG_MKDIR=y; \
  55          echo CONFIG_MKFIFO=y; \
  56          echo CONFIG_MKNOD=y; \
  57          echo CONFIG_MODPROBE=y; \
  58          echo CONFIG_FEATURE_MODPROBE_MULTIPLE_OPTIONS=y; \
  59          echo CONFIG_FEATURE_MODPROBE_FANCY_ALIAS=y; \
  60          echo CONFIG_FEATURE_CHECK_TAINTED_MODULE=n; \
  61          echo CONFIG_FEATURE_2_4_MODULES=n; \
  62          echo CONFIG_FEATURE_IP_ADDRESS=y; \
  63          echo CONFIG_FEATURE_IP_LINK=y; \
  64          echo CONFIG_FEATURE_IP_ROUTE=y; \
  65          echo CONFIG_FEATURE_IP_TUNNEL=y; \
  66          echo CONFIG_FEATURE_IP_RULE=y; \
  67          echo CONFIG_FEATURE_IP_RARE_PROTOCOLS=n; \
  68          echo CONFIG_MOUNT=y; \
  69          echo CONFIG_MSH=y; \
  70          echo CONFIG_FEATURE_SH_IS_MSH=y; \
  71          echo CONFIG_PS=y; \
  72          echo CONFIG_READLINK=y; \
  73          echo CONFIG_RMMOD=y; \
  74          echo CONFIG_STATIC=y; \
  75          echo CONFIG_SWITCH_ROOT=y; \
  76          echo CONFIG_SYNC=y; \
  77          echo CONFIG_TFTP=y; \
  78          echo CONFIG_FEATURE_TFTP_GET=y; \
  79          echo CONFIG_FEATURE_TFTP_PUT=y; \
  80          echo CONFIG_TRUE=y; \
  81          echo CONFIG_UMOUNT=y; \
  82          echo CONFIG_FEATURE_UMOUNT_ALL=y; \
  83          echo CONFIG_UNAME=y; \
  84         ) > $(BUSYBOX_INITRAMFS_DIR)/.config
  85         cp -f $(BUSYBOX_INITRAMFS_DIR)/.config \
  86                 $(BUSYBOX_INITRAMFS_DIR)/.config.prune
  87         $(SED) 's|\([^=]*\)=.*|/\1[^_]*/d|g' \
  88                 $(BUSYBOX_INITRAMFS_DIR)/.config.prune
  89         $(SED) '' -f $(BUSYBOX_INITRAMFS_DIR)/.config.prune \
  90                 $(BUSYBOX_INITRAMFS_DIR)/.config.no
  91         cat $(BUSYBOX_INITRAMFS_DIR)/.config.no >> \
  92                 $(BUSYBOX_INITRAMFS_DIR)/.config
  93         yes "" | $(MAKE) CC=$(TARGET_CC) CROSS_COMPILE="$(TARGET_CROSS)" \
  94                 HOSTCC="$(HOSTCC) $(HOST_CFLAGS)" \
  95                 CROSS="$(TARGET_CROSS)" -C $(BUSYBOX_INITRAMFS_DIR) \
  96                 oldconfig
  97         touch $@
  98
  99
 100 $(BUSYBOX_INITRAMFS_DIR)/busybox: $(BUSYBOX_INITRAMFS_DIR)/.configured
 101         $(MAKE) HOSTCC="$(HOSTCC) $(HOST_CFLAGS)" \
 102                 CC=$(TARGET_CC) CROSS_COMPILE="$(TARGET_CROSS)" \
 103                 CROSS="$(TARGET_CROSS)" PREFIX="$(TARGET_DIR)" \
 104                 ARCH=$(KERNEL_ARCH) \
 105                 EXTRA_CFLAGS="$(TARGET_CFLAGS)" -C $(BUSYBOX_INITRAMFS_DIR) \
 106                 busybox.links busybox
 107 ifeq ($(BR2_PREFER_IMA)$(BR2_PACKAGE_BUSYBOX_SNAPSHOT),yy)
 108         rm -f $@
 109         $(MAKE) HOSTCC="$(HOSTCC) $(HOST_CFLAGS)" \
 110                 CC=$(TARGET_CC) CROSS_COMPILE="$(TARGET_CROSS)" \
 111                 CROSS="$(TARGET_CROSS)" PREFIX="$(TARGET_DIR)" \
 112                 ARCH=$(KERNEL_ARCH) STRIP="$(STRIPCMD)" \
 113                 EXTRA_CFLAGS="$(TARGET_CFLAGS)" -C $(BUSYBOX_INITRAMFS_DIR) \
 114                 -f scripts/Makefile.IMA
 115 endif
 116
 117 $(BR2_INITRAMFS_DIR)/bin/busybox: $(BUSYBOX_INITRAMFS_DIR)/busybox
 118         $(MAKE) HOSTCC="$(HOSTCC) $(HOST_CFLAGS)" \
 119                 CC=$(TARGET_CC) CROSS_COMPILE="$(TARGET_CROSS)" \
 120                 CROSS="$(TARGET_CROSS)" \
 121                 ARCH=$(KERNEL_ARCH) STRIP="$(STRIPCMD)" \
 122                 EXTRA_CFLAGS="$(TARGET_CFLAGS)" -C $(BUSYBOX_INITRAMFS_DIR) \
 123                 install
 124         $(STRIPCMD) $(STRIP_STRIP_ALL) $@
 125
 126
 127 $(BB_INITRAMFS_TARGET): host-fakeroot makedevs $(BR2_INITRAMFS_DIR)/bin/busybox
 128         ln -fs bin/busybox $(PROJECT_BUILD_DIR)/initramfs/init
 129         mkdir -p $(PROJECT_BUILD_DIR)/initramfs/etc
 130         for f in etc/inittab etc/shadow etc/passwd; do \
 131                 $(INSTALL) -D target/generic/target_busybox_skeleton/$$f \
 132                         $(PROJECT_BUILD_DIR)/initramfs/$$f; \
 133         done
 134         #$(INSTALL) -D -m0755 $(STAGING_DIR)/bin/makedev
 135         rm -f $(PROJECT_BUILD_DIR)/_fakeroot.$(BB_INITRAMFS_TARGET_F)
 136         (echo "chown -R 0:0 $(PROJECT_BUILD_DIR)/initramfs"; \
 137          echo "$(STAGING_DIR)/bin/makedevs -d $(TARGET_DEVICE_TABLE) $(PROJECT_BUILD_DIR)/initramfs"; \
 138          echo "$(CONFIG_SHELL) target/initramfs/gen_initramfs_list.sh -u 0 -g 0 $(PROJECT_BUILD_DIR)/initramfs > $(BB_INITRAMFS_TARGET)"; \
 139         ) > $(PROJECT_BUILD_DIR)/_fakeroot.$(BB_INITRAMFS_TARGET_F)
 140         chmod +x $(PROJECT_BUILD_DIR)/_fakeroot.$(BB_INITRAMFS_TARGET_F)
 141         $(STAGING_DIR)/usr/bin/fakeroot -- \
 142                 $(PROJECT_BUILD_DIR)/_fakeroot.$(BB_INITRAMFS_TARGET_F)
 143         rm -f $(PROJECT_BUILD_DIR)/_fakeroot.$(BB_INITRAMFS_TARGET_F)
 144         touch -c $@
 145
 146 $(PROJECT_BUILD_DIR)/.initramfs_done: $(BR2_INITRAMFS_DIR)/bin/busybox \
 147                                         $(BB_INITRAMFS_TARGET)
 148         touch $@
 149
 150 busybox-initramfs-source:
 151 busybox-initramfs: $(PROJECT_BUILD_DIR)/.initramfs_done
 152
 153 busybox-initramfs-menuconfig: host-sed $(BUILD_DIR) busybox-source $(BUSYBOX_INITRAMFS_DIR)/.configured
 154         $(MAKE) HOSTCC="$(HOSTCC) $(HOST_CFLAGS)" __TARGET_ARCH=$(ARCH) \
 155                 -C $(BUSYBOX_INITRAMFS_DIR) menuconfig
 156
 157 busybox-initramfs-clean:
 158         -$(MAKE) -C $(BUSYBOX_INITRAMFS_DIR) clean
 159         rm -f $(BUSYBOX_INITRAMFS_DIR)/busybox $(PROJECT_BUILD_DIR)/.initramfs_*
 160         rm -rf $(BR2_INITRAMFS_DIR) $(BB_INITRAMFS_TARGET)
 161
 162 busybox-initramfs-dirclean:
 163         rm -rf $(BUSYBOX_INITRAMFS_DIR) $(BR2_INITRAMFS_DIR) \
 164                 $(PROJECT_BUILD_DIR)/.initramfs_*
 165 endif
 166 #############################################################
 167 #
 168 # Toplevel Makefile options
 169 #
 170 #############################################################
 171 ifeq ($(BR2_PACKAGE_BUSYBOX_INITRAMFS),y)
 172 TARGETS+=busybox-initramfs
 173 endif