UML target completed. Added ext2 target fs for use with uml images

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4178 3c298f89-4303-0410-b956-a3cf2f4a3e73

Config.in

@@ -74,6 +74,14 @@ menu "Target Images"
 		depends !TARGET_ROOTFS_INITRAMFS
 		help
 		  Build a compressed tar archive of the the root filesystem
+		  
+	config TARGET_ROOTFS_EXT2FS
+		bool "ext2"
+		default n
+		depends !TARGET_ROOTFS_INITRAMFS
+		help
+		  Ext2 file system with some free space for uml images
+
 
 endmenu
 

include/image.mk

@@ -44,6 +44,14 @@ ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
 		tar -zcf $(BIN_DIR)/openwrt-rootfs.tgz --owner=root --group=root -C $(BUILD_DIR)/root/ .
     endef
   endif
+  
+  ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
+    define Image/mkfs/ext2
+		genext2fs -q -b 4096 -I 1500 -d $(BUILD_DIR)/root/ $(KDIR)/root.ext2
+		$(call Image/Build,ext2)
+    endef
+  endif
+  
 endif
 
 define Image/mkfs/prepare/default
@@ -69,6 +77,7 @@ install:
 	$(call Image/mkfs/jffs2)
 	$(call Image/mkfs/squashfs)
 	$(call Image/mkfs/tgz)
+	$(call Image/mkfs/ext2)
 	
 clean:
 	$(call Build/Clean)

include/kernel-build.mk

@@ -72,13 +72,13 @@ $(LINUX_DIR)/vmlinux: $(STAMP_DIR)/.linux-compile pkg-install ramdisk-config
 	$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) PATH=$(TARGET_PATH)
 
 $(LINUX_KERNEL): $(LINUX_DIR)/vmlinux
-	$(TARGET_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $< $@
+	$(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $< $@
 	touch -c $(LINUX_KERNEL)
 
 $(LINUX_DIR)/.modules_done:
 	rm -rf $(KERNEL_BUILD_DIR)/modules
 	$(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) PATH="$(TARGET_PATH)" modules
-	$(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
+	$(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
 	touch $(LINUX_DIR)/.modules_done
 
 modules: $(LINUX_DIR)/.modules_done

include/kernel.mk

@@ -28,6 +28,11 @@ LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
 	-e 's/armeb/arm/' \
 )
 
+ifneq (,$(findstring uml,$(BOARD)))
+LINUX_KARCH="um"
+KERNEL_CROSS=
+endif
+
 KERNEL_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
 LINUX_DIR := $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
 

include/target.mk

@@ -18,6 +18,7 @@ $(eval $(call kernel_template,2.6,brcm,2_6_BRCM))
 $(eval $(call kernel_template,2.6,brcm63xx,2_6_BRCM63XX))
 $(eval $(call kernel_template,2.6,rb532,2_6_RB532))
 $(eval $(call kernel_template,2.6,x86,2_6_X86))
+$(eval $(call kernel_template,2.6,uml,2_6_UML))
 $(eval $(call kernel_template,2.4,ar531x,2_4_AR531X))
 $(eval $(call kernel_template,2.6,aruba,2_6_ARUBA))
 $(eval $(call kernel_template,2.6,au1000,2_6_AU1000))

target/Config.in

@@ -83,6 +83,14 @@ config LINUX_2_6_X86
 	  Build firmware images for x86 based boards
 	  (e.g. Soekris net4521 and net4801, PC Engines WRAP...)
 
+config LINUX_2_6_UML
+	bool "x86 [uml]"
+	select i386
+	select LINUX_2_6
+	help
+	  Build uml targetted images
+
+
 config LINUX_2_6_AU1000
 	bool "AMD Alchemy AUxx [2.6]"
 	select mipsel

target/image/uml/Makefile

@@ -0,0 +1,15 @@
+# 
+# Copyright (C) 2006 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/image.mk
+
+define Image/Build
+	cp $(KDIR)/root.$(1) $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).img
+	cp $(LINUX_DIR)/linux $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-vmlinux
+endef
+
+$(eval $(call BuildImage))

target/linux/uml-2.6/config

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.17
-# Tue Jul 18 01:55:58 2006
+# Thu Jul 20 13:48:28 2006
 #
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_UML=y
@@ -77,8 +77,8 @@ CONFIG_LD_SCRIPT_DYN=y
 CONFIG_NET=y
 CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_MISC is not set
-CONFIG_HOSTFS=y
+# CONFIG_HOSTFS is not set
-CONFIG_HPPFS=y
+# CONFIG_HPPFS is not set
 CONFIG_MCONSOLE=y
 # CONFIG_MAGIC_SYSRQ is not set
 CONFIG_NEST_LEVEL=0
@@ -106,9 +106,7 @@ CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
 # CONFIG_RELAY is not set
-CONFIG_INITRAMFS_SOURCE="../../root"
+CONFIG_INITRAMFS_SOURCE=""
-CONFIG_INITRAMFS_ROOT_UID=0
-CONFIG_INITRAMFS_ROOT_GID=0
 CONFIG_UID16=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_EMBEDDED=y
@@ -166,7 +164,9 @@ CONFIG_BLK_DEV_COW_COMMON=y
 CONFIG_BLK_DEV_LOOP=m
 CONFIG_BLK_DEV_CRYPTOLOOP=m
 CONFIG_BLK_DEV_NBD=m
-# CONFIG_BLK_DEV_RAM is not set
+CONFIG_BLK_DEV_RAM=m
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_ATA_OVER_ETH is not set
 
@@ -184,13 +184,13 @@ CONFIG_XTERM_CHAN=y
 # CONFIG_NOCONFIG_CHAN is not set
 CONFIG_CON_ZERO_CHAN="fd:0,fd:1"
 CONFIG_CON_CHAN="xterm"
-CONFIG_SSL_CHAN="pty"
+CONFIG_SSL_CHAN="xterm"
 CONFIG_UNIX98_PTYS=y
 # CONFIG_LEGACY_PTYS is not set
 CONFIG_WATCHDOG=y
 CONFIG_WATCHDOG_NOWAYOUT=y
 CONFIG_SOFT_WATCHDOG=m
-CONFIG_UML_WATCHDOG=m
+# CONFIG_UML_WATCHDOG is not set
 # CONFIG_UML_SOUND is not set
 # CONFIG_SOUND is not set
 # CONFIG_HOSTAUDIO is not set
@@ -529,7 +529,7 @@ CONFIG_UML_NET_SLIP=y
 CONFIG_UML_NET_DAEMON=y
 CONFIG_UML_NET_MCAST=y
 # CONFIG_UML_NET_PCAP is not set
-CONFIG_UML_NET_SLIRP=y
+# CONFIG_UML_NET_SLIRP is not set
 
 #
 # Network device support
@@ -589,12 +589,12 @@ CONFIG_CONNECTOR=m
 #
 # File systems
 #
-CONFIG_EXT2_FS=m
+CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT2_FS_XIP is not set
-CONFIG_EXT3_FS=m
+CONFIG_EXT3_FS=y
 # CONFIG_EXT3_FS_XATTR is not set
-CONFIG_JBD=m
+CONFIG_JBD=y
 # CONFIG_JBD_DEBUG is not set
 CONFIG_REISERFS_FS=m
 # CONFIG_REISERFS_CHECK is not set