[x86] merge the olpc target with the x86 target, both tested and running

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18279 3c298f89-4303-0410-b956-a3cf2f4a3e73

5 files changed, 111 insertions, 5 deletions

diff --git a/target/linux/x86/image/Config.in b/target/linux/x86/image/Config.in
index bf1426723..9dd7ae587 100644
--- a/target/linux/x86/image/Config.in
+++ b/target/linux/x86/image/Config.in
@@ -1,6 +1,6 @@
 config X86_GRUB_IMAGES
     bool "Build GRUB images (Linux x86 or x86_64 host only)"
-    depends TARGET_x86
+    depends TARGET_x86_generic
     depends TARGET_ROOTFS_EXT2FS || TARGET_ROOTFS_JFFS2 || TARGET_ROOTFS_SQUASHFS || TARGET_ROOTFS_ISO
 	select PACKAGE_grub
     default y
@@ -38,14 +38,38 @@ config X86_GRUB_BOOTOPTS
 
 config X86_VDI_IMAGES
     bool "Build VirtualBox image files (VDI). Requires VBoxManage"
-    depends TARGET_x86
+    depends TARGET_x86_generic
     depends TARGET_ROOTFS_EXT2FS
     depends X86_GRUB_IMAGES
     select PACKAGE_kmod-pcnet32
 
 config X86_VMDK_IMAGES
     bool "Build VMware image files (VMDK). Requires qemu-img"
-    depends TARGET_x86
+    depends TARGET_x86_generic
     depends TARGET_ROOTFS_EXT2FS
     depends X86_GRUB_IMAGES
     select PACKAGE_kmod-e1000
+
+config OLPC_BOOTSCRIPT_IMAGES
+    bool "Build images with bootscript"
+    depends TARGET_x86_olpc
+    depends TARGET_ROOTFS_EXT2FS || TARGET_ROOTFS_JFFS2 || TARGET_ROOTFS_SQUASHFS || TARGET_ROOTFS_ISO
+    default y
+
+config OLPC_BOOTSCRIPT_IMAGES_PAD
+	bool "Pad bootscript images to filesystem size (for JFFS2)"
+	depends OLPC_BOOTSCRIPT_IMAGES
+
+config OLPC_BOOTSCRIPT_KERNELPART
+    int "Kernel partition size (in MB)"
+    depends OLPC_BOOTSCRIPT_IMAGES
+    default 4
+
+config OLPC_BOOTSCRIPT_ROOTPART
+    string
+    prompt "Root partition on target device" if OLPC_BOOTSCRIPT_IMAGES
+    default "/dev/sda2"
+    help
+        The root partition on the final device.  If you don't know,
+        you probably want the default (/dev/sda2).
+
diff --git a/target/linux/x86/image/Makefile b/target/linux/x86/image/Makefile
index 6d3c77b77..699dcfe6a 100644
--- a/target/linux/x86/image/Makefile
+++ b/target/linux/x86/image/Makefile
@@ -8,10 +8,17 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/image.mk
 
 export PATH=$(TARGET_PATH):/sbin
+
+ifeq ($(CONFIG_TARGET_x86_generic),y)
 BOOTOPTS=$(strip $(subst ",, $(CONFIG_X86_GRUB_BOOTOPTS)))
 ROOTPART=$(strip $(subst ",, $(CONFIG_X86_GRUB_ROOTPART)))
 #"))")) # fix vim's broken syntax highlighting
+endif
 
+ifeq ($(CONFIG_TARGET_x86_olpc),y)
+ROOTPART=$(strip $(subst ",, $(CONFIG_OLPC_BOOTSCRIPT_ROOTPART)))
+endif
+#"))")) # fix vim's broken syntax highlighting
 
 ifeq ($(CONFIG_X86_GRUB_IMAGES),y)
 ifneq ($(HOST_OS),Darwin)
@@ -42,7 +49,7 @@ ifneq ($(HOST_OS),Darwin)
 		-e 's#@CMDLINE@#$(strip $(call Image/cmdline/$(1))) $(BOOTOPTS)#g' \
 		-e 's#@BAUDRATE@#$(CONFIG_X86_GRUB_BAUDRATE)#g' \
 		./menu.lst > $(KDIR)/root.grub/boot/grub/menu.lst
-	PADDING="$(CONFIG_X86_GRUB_IMAGES_PAD)" PATH="$(TARGET_PATH)" ./gen_image.sh $(BIN_DIR)/openwrt-$(BOARD)-$(1).image $(CONFIG_X86_GRUB_KERNELPART) $(KDIR)/root.grub $(CONFIG_TARGET_ROOTFS_FSPART) $(KDIR)/root.$(1)
+	PADDING="$(CONFIG_X86_GRUB_IMAGES_PAD)" PATH="$(TARGET_PATH)" ./gen_image_x86.sh $(BIN_DIR)/openwrt-$(BOARD)-$(1).image $(CONFIG_X86_GRUB_KERNELPART) $(KDIR)/root.grub $(CONFIG_TARGET_ROOTFS_FSPART) $(KDIR)/root.$(1)
 	$(call Image/Build/grub/$(1))
   endef
 
@@ -56,7 +63,7 @@ ifneq ($(HOST_OS),Darwin)
   endef
 else
   define Image/Build/grub
-	PADDING="$(CONFIG_X86_GRUB_IMAGES_PAD)" PATH="$(TARGET_PATH)" NOGRUB=1 ./gen_image.sh $(BIN_DIR)/openwrt-$(BOARD)-$(1).image $(CONFIG_X86_GRUB_KERNELPART) "" $(CONFIG_TARGET_ROOTFS_FSPART) $(KDIR)/root.$(1)
+	PADDING="$(CONFIG_X86_GRUB_IMAGES_PAD)" PATH="$(TARGET_PATH)" NOGRUB=1 ./gen_image_x86.sh $(BIN_DIR)/openwrt-$(BOARD)-$(1).image $(CONFIG_X86_GRUB_KERNELPART) "" $(CONFIG_TARGET_ROOTFS_FSPART) $(KDIR)/root.$(1)
   endef
 endif
 endif
@@ -82,9 +89,43 @@ ifeq ($(CONFIG_X86_VMDK_IMAGES),y)
   endef
 endif
 
+ROOTDELAY=10
+
+ifeq ($(CONFIG_OLPC_BOOTSCRIPT_IMAGES),y)
+  define Image/cmdline/squashfs
+    block2mtd.block2mtd=$(ROOTPART),65536,rootfs root=/dev/mtdblock0 rootfstype=squashfs rootdelay=$(ROOTDELAY)
+  endef
+
+  define Image/cmdline/jffs2-64k
+    block2mtd.block2mtd=$(ROOTPART),65536,rootfs root=/dev/mtdblock0 rootfstype=jffs2 rootdelay=$(ROOTDELAY)
+  endef
+
+  define Image/cmdline/jffs2-128k
+    block2mtd.block2mtd=$(ROOTPART),131072,rootfs root=/dev/mtdblock0 rootfstype=jffs2 rootdelay=$(ROOTDELAY)
+  endef
+
+  define Image/cmdline/ext2
+    root=$(ROOTPART) rootfstype=ext2 rootwait
+  endef
+
+  define Image/Build/bootscript
+	# left here because the image builder doesnt need these
+	$(INSTALL_DIR) $(KDIR)/root.bootscript/boot
+	$(CP) $(KDIR)/bzImage $(KDIR)/root.bootscript/boot/vmlinuz
+	sed -e 's#@CMDLINE@#$(strip $(call Image/cmdline/$(1))) $(BOOTOPTS)#g' \
+		./olpc.fth > $(KDIR)/root.bootscript/boot/olpc.fth
+	PADDING="$(CONFIG_OLPC_BOOTSCRIPT_IMAGES_PAD)" PATH="$(TARGET_PATH)" ./gen_image_olpc.sh $(BIN_DIR)/openwrt-$(BOARD)-$(1).image $(CONFIG_OLPC_BOOTSCRIPT_KERNELPART) $(KDIR)/root.bootscript $(CONFIG_TARGET_ROOTFS_FSPART) $(KDIR)/root.$(1)
+  endef
+endif
+
 define Image/Prepare
 	$(CP) $(LINUX_DIR)/arch/x86/boot/bzImage $(KDIR)/bzImage
+ifeq ($(CONFIG_TARGET_x86_generic),y)
 	$(call Image/Prepare/grub)
+endif
+ifeq ($(CONFIG_TARGET_x86_olpc),y)
+	$(call Image/Prepare/bootscript)
+endif
 endef
   
 define Image/Build/squashfs
@@ -112,6 +153,7 @@ endef
 
 define Image/Build
 	$(call Image/Build/$(1))
+	$(call Image/Build/bootscript,$(1))
 ifneq ($(1),iso)
 	$(call Image/Build/grub,$(1))
 	$(call Image/Build/vdi,$(1))
diff --git a/target/linux/x86/image/gen_image_olpc.sh b/target/linux/x86/image/gen_image_olpc.sh
new file mode 100755
index 000000000..4fd6e377e
--- /dev/null
+++ b/target/linux/x86/image/gen_image_olpc.sh
@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+# Copyright (C) 2006 - 2007 OpenWrt.org
+set -x 
+[ $# == 5 ] || {
+    echo "SYNTAX: $0 <file> <kernel size> <kernel directory> <rootfs size> <rootfs image>"
+    exit 1
+}
+
+OUTPUT="$1"
+KERNELSIZE="$2"
+KERNELDIR="$3"
+ROOTFSSIZE="$4"
+ROOTFSIMAGE="$5"
+
+rm -f "$OUTPUT"
+
+head=16
+sect=63
+cyl=$(( ($KERNELSIZE + $ROOTFSSIZE) * 1024 * 1024 / ($head * $sect * 512)))
+
+# create partition table
+set `ptgen -o "$OUTPUT" -h $head -s $sect -p ${KERNELSIZE}m -p ${ROOTFSSIZE}m`
+
+KERNELOFFSET="$(($1 / 512))"
+KERNELSIZE="$(($2 / 512))"
+ROOTFSOFFSET="$(($3 / 512))"
+ROOTFSSIZE="$(($4 / 512))"
+
+BLOCKS="$((($KERNELSIZE / 2) - 1))"
+
+genext2fs -d "$KERNELDIR" -b "$BLOCKS" "$OUTPUT.kernel"
+dd if="$OUTPUT.kernel" of="$OUTPUT" bs=512 seek="$KERNELOFFSET" conv=notrunc
+[ -n "$PADDING" ] && dd if=/dev/zero of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc count="$ROOTFSSIZE"
+dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc
+#rm -f "$OUTPUT.kernel"
diff --git a/target/linux/x86/image/gen_image.sh b/target/linux/x86/image/gen_image_x86.sh
index 5d4c0dd34..5d4c0dd34 100755
--- a/target/linux/x86/image/gen_image.sh
+++ b/target/linux/x86/image/gen_image_x86.sh
diff --git a/target/linux/x86/image/olpc.fth b/target/linux/x86/image/olpc.fth
new file mode 100644
index 000000000..5914be660
--- /dev/null
+++ b/target/linux/x86/image/olpc.fth
@@ -0,0 +1,5 @@
+\ Boot script
+" u:\boot\vmlinuz" to boot-device
+" @CMDLINE@ noinitrd console=ttyS0,115200 console=tty0" to boot-file
+unfreeze
+boot