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authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2007-09-02 21:50:37 +0000
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2007-09-02 21:50:37 +0000
commit42450b1941db12165a1748bc41b5c1032105c31d (patch)
tree2883dfe42f62646ff8be9720aa3934bf2ecbcbbe
parent18a970c4f15271bd4ba665a4aa171f5e53d95e5d (diff)
downloadbuildroot-novena-42450b1941db12165a1748bc41b5c1032105c31d.tar.gz
buildroot-novena-42450b1941db12165a1748bc41b5c1032105c31d.zip
- build and use the list of the small initramfs
Overriding the use of the whole system (as does the initramfs target) is done on purpose.
-rw-r--r--package/busybox/initramfs.mk30
-rw-r--r--target/linux/Makefile.in13
2 files changed, 37 insertions, 6 deletions
diff --git a/package/busybox/initramfs.mk b/package/busybox/initramfs.mk
index 58ee3ed35..88d659e0c 100644
--- a/package/busybox/initramfs.mk
+++ b/package/busybox/initramfs.mk
@@ -3,9 +3,11 @@
# busybox image for initramfs
#
#############################################################
+ifeq ($(strip $(BR2_PACKAGE_BUSYBOX_INITRAMFS)),y)
BUSYBOX_INITRAMFS_DIR:=$(BUSYBOX_DIR)-initramfs
BR2_INITRAMFS_DIR:=$(PROJECT_BUILD_DIR)/initramfs
+BB_INITRAMFS_TARGET:=$(IMAGE).initramfs_lst
$(BUSYBOX_INITRAMFS_DIR)/.unpacked: $(DL_DIR)/$(BUSYBOX_SOURCE)
rm -rf $(BUILD_DIR)/tmp $(BUSYBOX_INITRAMFS_DIR)
@@ -34,6 +36,7 @@ $(BUSYBOX_INITRAMFS_DIR)/.config $(BUSYBOX_INITRAMFS_DIR)/.configured: $(BUSYBOX
echo CONFIG_FALSE=y; \
echo CONFIG_GUNZIP=y; \
echo CONFIG_HALT=y; \
+ echo CONFIG_INIT=y; \
echo CONFIG_INSMOD=y; \
echo CONFIG_KILL=y; \
echo CONFIG_LN=y; \
@@ -47,8 +50,8 @@ $(BUSYBOX_INITRAMFS_DIR)/.config $(BUSYBOX_INITRAMFS_DIR)/.configured: $(BUSYBOX
echo CONFIG_FEATURE_CHECK_TAINTED_MODULE=n; \
echo CONFIG_FEATURE_2_4_MODULES=n; \
echo CONFIG_MOUNT=y; \
- echo CONFIG_MSH=y; \
- echo CONFIG_FEATURE_SH_IS_MSH=y; \
+ echo CONFIG_ASH=y; \
+ echo CONFIG_FEATURE_SH_IS_ASH=y; \
echo CONFIG_PS=y; \
echo CONFIG_READLINK=y; \
echo CONFIG_RMMOD=y; \
@@ -97,7 +100,25 @@ $(BR2_INITRAMFS_DIR)/bin/busybox: $(BUSYBOX_INITRAMFS_DIR)/busybox
install
$(STRIP) $(STRIP_STRIP_ALL) $@
-$(PROJECT_BUILD_DIR)/.initramfs_done: $(BR2_INITRAMFS_DIR)/bin/busybox
+
+$(BB_INITRAMFS_TARGET): $(BR2_INITRAMFS_DIR)/bin/busybox
+ ln -fs bin/busybox $(PROJECT_BUILD_DIR)/initramfs/init
+ mkdir -p $(PROJECT_BUILD_DIR)/initramfs/etc
+ cat target/generic/target_busybox_skeleton/etc/inittab > \
+ $(PROJECT_BUILD_DIR)/initramfs/etc/inittab
+ rm -f $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(BB_INITRAMFS_TARGET))
+ (echo "chown -R 0:0 $(PROJECT_BUILD_DIR)/initramfs"; \
+ echo "$(STAGING_DIR)/bin/makedevs -d $(TARGET_DEVICE_TABLE) $(PROJECT_BUILD_DIR)/initramfs"; \
+ echo "$(CONFIG_SHELL) target/initramfs/gen_initramfs_list.sh -u 0 -g 0 $(PROJECT_BUILD_DIR)/initramfs > $(BB_INITRAMFS_TARGET)"; \
+ ) > $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(BB_INITRAMFS_TARGET))
+ chmod +x $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(BB_INITRAMFS_TARGET))
+ $(STAGING_DIR)/usr/bin/fakeroot -- \
+ $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(BB_INITRAMFS_TARGET))
+ rm -f $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(BB_INITRAMFS_TARGET))
+ touch -c $@
+
+$(PROJECT_BUILD_DIR)/.initramfs_done: $(BR2_INITRAMFS_DIR)/bin/busybox \
+ $(BB_INITRAMFS_TARGET)
touch $@
busybox-initramfs: uclibc $(PROJECT_BUILD_DIR)/.initramfs_done
@@ -107,12 +128,13 @@ busybox-initramfs-menuconfig: host-sed $(BUILD_DIR) busybox-source $(BUSYBOX_INI
busybox-initramfs-clean:
rm -f $(BUSYBOX_INITRAMFS_DIR)/busybox $(PROJECT_BUILD_DIR)/.initramfs_*
- rm -rf $(BR2_INITRAMFS_DIR)
+ rm -rf $(BR2_INITRAMFS_DIR) $(BB_INITRAMFS_TARGET)
-$(MAKE) -C $(BUSYBOX_INITRAMFS_DIR) clean
busybox-initramfs-dirclean:
rm -rf $(BUSYBOX_INITRAMFS_DIR) $(BR2_INITRAMFS_DIR) \
$(PROJECT_BUILD_DIR)/.initramfs_*
+endif
#############################################################
#
# Toplevel Makefile options
diff --git a/target/linux/Makefile.in b/target/linux/Makefile.in
index 948dd3ea2..ba571b56a 100644
--- a/target/linux/Makefile.in
+++ b/target/linux/Makefile.in
@@ -160,6 +160,14 @@ ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
echo "CONFIG_INITRAMFS_ROOT_UID=0" >> $(LINUX26_DIR)/.config
echo "CONFIG_INITRAMFS_ROOT_GID=0" >> $(LINUX26_DIR)/.config
endif
+ifeq ($(BR2_PACKAGE_BUSYBOX_INITRAMFS),y)
+ $(SED) '/CONFIG_INITRAMFS_SOURCE/d' $(LINUX26_DIR)/.config
+ echo "CONFIG_INITRAMFS_SOURCE=\"$(BB_INITRAMFS_TARGET)\"" >> \
+ $(LINUX26_DIR)/.config
+ $(SED) '/INITRAMFS_ROOT_.ID/d' $(LINUX26_DIR)/.config
+ echo "CONFIG_INITRAMFS_ROOT_UID=0" >> $(LINUX26_DIR)/.config
+ echo "CONFIG_INITRAMFS_ROOT_GID=0" >> $(LINUX26_DIR)/.config
+endif
$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) oldconfig
touch $@
@@ -167,7 +175,8 @@ $(LINUX26_DIR)/.depend_done: $(LINUX26_DIR)/.configured
$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) prepare
touch $@
-$(LINUX26_KERNEL): $(LINUX26_DIR)/.depend_done
+$(LINUX26_KERNEL): $(INITRAMFS_TARGET) $(BB_INITRAMFS_TARGET) \
+ $(LINUX26_DIR)/.depend_done
$(MAKE) $(LINUX26_MAKE_FLAGS) LZMA="$(LZMA)" \
-C $(LINUX26_DIR) $(LINUX26_FORMAT)
cp -dpf $(LINUX26_DIR)/$(LINUX26_BINLOC) $(LINUX26_KERNEL)
@@ -190,7 +199,7 @@ linux26-menuconfig: $(LINUX26_DIR)/.patched host-sed
$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) menuconfig
-[ -f $(LINUX26_DIR)/.config ] && touch $(LINUX26_DIR)/.configured
-linux26: $(INITRAMFS_TARGET) $(LINUX26_KERNEL)
+linux26: $(LINUX26_KERNEL)
$(LINUX26_DIR)/.modules_installed: $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION)/modules.dep
touch $@