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