diff options
Diffstat (limited to 'target/linux/x86/image')
| -rw-r--r-- | target/linux/x86/image/Config.in | 44 | ||||
| -rw-r--r-- | target/linux/x86/image/Makefile | 125 | ||||
| -rwxr-xr-x | target/linux/x86/image/gen_image_generic.sh (renamed from target/linux/x86/image/gen_image_x86.sh) | 21 | ||||
| -rw-r--r-- | target/linux/x86/image/grub-early.cfg | 1 | ||||
| -rw-r--r-- | target/linux/x86/image/grub-iso.cfg | 10 | ||||
| -rw-r--r-- | target/linux/x86/image/grub.cfg | 13 | ||||
| -rw-r--r-- | target/linux/x86/image/menu.lst | 15 | ||||
| -rwxr-xr-x | target/linux/x86/image/mkimg_bifferboard.py | 50 | ||||
| -rwxr-xr-x | target/linux/x86/image/mkimg_sitecom.pl | 11 |
9 files changed, 200 insertions, 90 deletions
diff --git a/target/linux/x86/image/Config.in b/target/linux/x86/image/Config.in index 9a1317bb6..d7b5e90d1 100644 --- a/target/linux/x86/image/Config.in +++ b/target/linux/x86/image/Config.in @@ -1,13 +1,13 @@ config X86_ETHERBOOT_IMAGES bool "Build Etherboot image" - depends TARGET_x86 && TARGET_x86_thincan_DBE61 + depends on TARGET_x86 && TARGET_x86_thincan_DBE61 default y help Builds network bootable image for ThinCan DBE61 (Etherboot BIOS) config X86_ETHERBOOT_BOOTOPTS string "Extra kernel boot options" - depends X86_ETHERBOOT_IMAGES + depends on X86_ETHERBOOT_IMAGES default "ip=dhcp nbdport=2000 " if TARGET_ROOTFS_SQUASHFS default "ip=dhcp root=/dev/nfs nfsroot=192.168.0.1:/srv/dbe61" help @@ -15,26 +15,26 @@ config X86_ETHERBOOT_BOOTOPTS config X86_GRUB_IMAGES bool "Build GRUB images (Linux x86 or x86_64 host only)" - depends TARGET_x86 && !TARGET_x86_olpc - depends TARGET_ROOTFS_EXT4FS || TARGET_ROOTFS_ISO || TARGET_ROOTFS_JFFS2 || TARGET_ROOTFS_SQUASHFS - select PACKAGE_grub + depends on TARGET_x86 && !(TARGET_x86_olpc || TARGET_x86_rdc) + depends on TARGET_ROOTFS_EXT4FS || TARGET_ROOTFS_ISO || TARGET_ROOTFS_JFFS2 || TARGET_ROOTFS_SQUASHFS + select PACKAGE_grub2 default y config X86_GRUB_CONSOLE bool "Use Console Terminal (in addition to Serial)" - depends X86_GRUB_IMAGES + depends on X86_GRUB_IMAGES default n if (TARGET_x86_generic_Soekris45xx || TARGET_x86_generic_Soekris48xx || TARGET_x86_net5501 || TARGET_x86_geos || TARGET_x86_alix2) default y config X86_GRUB_SERIAL string "Serial port device" - depends X86_GRUB_IMAGES + depends on X86_GRUB_IMAGES default "hvc0" if TARGET_x86_xen_domu default "ttyS0" if ! TARGET_x86_xen_domu config X86_GRUB_BAUDRATE int "Serial port baud rate" - depends X86_GRUB_IMAGES + depends on X86_GRUB_IMAGES default 19200 if TARGET_x86_generic_Soekris45xx || TARGET_x86_generic_Soekris48xx || TARGET_x86_net5501 default 38400 if TARGET_x86_alix2 default 115200 if TARGET_x86_geos || TARGET_x86_kvm_guest @@ -42,57 +42,57 @@ config X86_GRUB_BAUDRATE config X86_GRUB_BOOTOPTS string "Extra kernel boot options" - depends X86_GRUB_IMAGES + depends on X86_GRUB_IMAGES default "xencons=hvc" if TARGET_x86_xen_domu help If you don't know, just leave it blank. config X86_GRUB_TIMEOUT string "Seconds to wait before booting the default entry" - depends X86_GRUB_IMAGES + depends on X86_GRUB_IMAGES default "5" help If you don't know, 5 seconds is a reasonable default. config X86_VDI_IMAGES bool "Build VirtualBox image files (VDI)" - depends X86_GRUB_IMAGES - depends TARGET_x86 - depends TARGET_ROOTFS_EXT4FS + depends on X86_GRUB_IMAGES + depends on TARGET_x86 + depends on TARGET_ROOTFS_EXT4FS select PACKAGE_kmod-pcnet32 config X86_VMDK_IMAGES bool "Build VMware image files (VMDK)" - depends X86_GRUB_IMAGES - depends TARGET_x86 - depends TARGET_ROOTFS_EXT4FS + depends on X86_GRUB_IMAGES + depends on TARGET_x86 + depends on TARGET_ROOTFS_EXT4FS select PACKAGE_kmod-e1000 config OLPC_BOOTSCRIPT_IMAGES bool "Build images with bootscript" - depends TARGET_x86_olpc - depends TARGET_ROOTFS_EXT4FS || TARGET_ROOTFS_ISO || TARGET_ROOTFS_JFFS2 || TARGET_ROOTFS_SQUASHFS + depends on TARGET_x86_olpc + depends on TARGET_ROOTFS_EXT4FS || TARGET_ROOTFS_ISO || TARGET_ROOTFS_JFFS2 || TARGET_ROOTFS_SQUASHFS default TARGET_x86_olpc config TARGET_IMAGES_PAD bool "Pad images to filesystem size (for JFFS2)" - depends OLPC_BOOTSCRIPT_IMAGES || X86_GRUB_IMAGES + depends on OLPC_BOOTSCRIPT_IMAGES || X86_GRUB_IMAGES config TARGET_IMAGES_GZIP bool "GZip images" - depends TARGET_IMAGES_PAD || TARGET_ROOTFS_EXT4FS + depends on TARGET_IMAGES_PAD || TARGET_ROOTFS_EXT4FS default y config TARGET_KERNEL_PARTSIZE int "Kernel partition size (in MB)" - depends OLPC_BOOTSCRIPT_IMAGES || X86_GRUB_IMAGES + depends on OLPC_BOOTSCRIPT_IMAGES || X86_GRUB_IMAGES default 4 config TARGET_ROOTFS_PARTNAME string "Root partition on target device" - depends OLPC_BOOTSCRIPT_IMAGES || X86_GRUB_IMAGES + depends on OLPC_BOOTSCRIPT_IMAGES || X86_GRUB_IMAGES default "/dev/vda2" if TARGET_x86_kvm_guest default "/dev/xvda2" if TARGET_x86_xen_domu default "/dev/sda2" if ! (TARGET_x86_kvm_guest || TARGET_x86_xen_domu) diff --git a/target/linux/x86/image/Makefile b/target/linux/x86/image/Makefile index 26e34ff6d..62d4c7305 100644 --- a/target/linux/x86/image/Makefile +++ b/target/linux/x86/image/Makefile @@ -9,11 +9,20 @@ include $(INCLUDE_DIR)/image.mk export PATH=$(TARGET_PATH):/sbin +GRUB2_MODULES = biosdisk boot chain configfile ext2 linux ls part_msdos reboot serial vga +GRUB2_MODULES_ISO = biosdisk boot chain configfile iso9660 linux ls part_msdos reboot serial vga GRUB_TERMINALS = GRUB_SERIAL_CONFIG = GRUB_TERMINAL_CONFIG = GRUB_CONSOLE_CMDLINE = +USE_ATKBD = generic kvm_guest + +ifneq ($(strip $(foreach subtarget,$(USE_ATKBD),$(CONFIG_TARGET_x86_$(subtarget)))),) + GRUB2_MODULES += at_keyboard + GRUB2_MODULES_ISO += at_keyboard +endif + ifneq ($(CONFIG_X86_GRUB_CONSOLE),) GRUB_CONSOLE_CMDLINE += console=tty0 GRUB_TERMINALS += console @@ -26,7 +35,7 @@ ifneq ($(CONFIG_X86_GRUB_SERIAL),) endif ifneq ($(GRUB_TERMINALS),) - GRUB_TERMINAL_CONFIG := terminal --timeout=2 $(GRUB_TERMINALS) + GRUB_TERMINAL_CONFIG := terminal_input $(GRUB_TERMINALS); terminal_output $(GRUB_TERMINALS) endif ROOTPART:=$(call qstrip,$(CONFIG_TARGET_ROOTFS_PARTNAME)) @@ -40,7 +49,7 @@ ifneq ($(CONFIG_X86_GRUB_IMAGES),) define Image/cmdline/ext4 root=$(ROOTPART) rootfstype=ext4 rootwait endef - + define Image/cmdline/jffs2-64k block2mtd.block2mtd=$(ROOTPART),65536,rootfs root=/dev/mtdblock0 rootfstype=jffs2 rootwait endef @@ -53,38 +62,36 @@ ifneq ($(CONFIG_X86_GRUB_IMAGES),) block2mtd.block2mtd=$(ROOTPART),65536,rootfs root=/dev/mtdblock0 rootfstype=squashfs rootwait endef - define Image/Build/grub + define Image/Build/grub2 # left here because the image builder doesnt need these - $(INSTALL_DIR) $(KDIR)/root.grub/boot/grub - $(CP) \ - $(KDIR)/stage1 \ - $(KDIR)/stage2 \ - $(KDIR)/e2fs_stage1_5 \ - $(KDIR)/root.grub/boot/grub/ + $(INSTALL_DIR) $(KDIR)/root.grub/boot/grub $(KDIR)/grub2 $(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz + grub-mkimage \ + -d $(STAGING_DIR_HOST)/lib/grub/i386-pc \ + -o $(KDIR)/grub2/core.img \ + -O i386-pc \ + -c ./grub-early.cfg \ + $(GRUB2_MODULES) + $(CP) $(STAGING_DIR_HOST)/lib/grub/i386-pc/*.img $(KDIR)/grub2/ + echo '(hd0) $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img' > $(KDIR)/grub2/device.map sed \ -e 's#@SERIAL_CONFIG@#$(strip $(GRUB_SERIAL_CONFIG))#g' \ -e 's#@TERMINAL_CONFIG@#$(strip $(GRUB_TERMINAL_CONFIG))#g' \ -e 's#@CMDLINE@#$(strip $(call Image/cmdline/$(1)) $(BOOTOPTS) $(GRUB_CONSOLE_CMDLINE))#g' \ -e 's#@TIMEOUT@#$(GRUB_TIMEOUT)#g' \ - ./menu.lst > $(KDIR)/root.grub/boot/grub/menu.lst - PADDING="$(CONFIG_TARGET_IMAGES_PAD)" PATH="$(TARGET_PATH)" ./gen_image_x86.sh \ + ./grub.cfg > $(KDIR)/root.grub/boot/grub/grub.cfg + PADDING="$(CONFIG_TARGET_IMAGES_PAD)" PATH="$(TARGET_PATH)" ./gen_image_generic.sh \ $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img \ $(CONFIG_TARGET_KERNEL_PARTSIZE) $(KDIR)/root.grub \ - $(CONFIG_TARGET_ROOTFS_PARTSIZE) $(KDIR)/root.$(1) + $(CONFIG_TARGET_ROOTFS_PARTSIZE) $(KDIR)/root.$(1) \ + 256 + grub-bios-setup \ + --device-map="$(KDIR)/grub2/device.map" \ + -d "$(KDIR)/grub2" \ + -r "hd0,msdos1" \ + "$(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img" $(call Image/Build/grub/$(1)) endef - - define Image/Prepare/grub - # for the image builder - $(CP) \ - $(STAGING_DIR)/usr/lib/grub/i386-openwrt/stage1 \ - $(STAGING_DIR)/usr/lib/grub/i386-openwrt/stage2 \ - $(STAGING_DIR)/usr/lib/grub/i386-openwrt/stage2_eltorito \ - $(STAGING_DIR)/usr/lib/grub/i386-openwrt/e2fs_stage1_5 \ - $(KDIR)/ - endef - endif ROOTDELAY=10 @@ -125,21 +132,29 @@ define Image/Build/squashfs $(call prepare_generic_squashfs,$(KDIR)/root.squashfs) endef -define Image/Build/iso - $(INSTALL_DIR) $(KDIR)/root.grub/boot/grub - $(CP) \ - $(KDIR)/stage2_eltorito \ - $(KDIR)/root.grub/boot/grub/ +define Image/Build/iso + $(INSTALL_DIR) $(KDIR)/root.grub/boot/grub $(KDIR)/grub2 + $(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz + grub-mkimage \ + -d $(STAGING_DIR_HOST)/lib/grub/i386-pc \ + -o $(KDIR)/grub2/eltorito.img \ + -O i386-pc \ + -c ./grub-early.cfg \ + $(GRUB2_MODULES_ISO) + cat \ + $(STAGING_DIR_HOST)/lib/grub/i386-pc/cdboot.img \ + $(KDIR)/grub2/eltorito.img \ + > $(KDIR)/root.grub/boot/grub/eltorito.img sed \ -e 's#@SERIAL_CONFIG@#$(strip $(GRUB_SERIAL_CONFIG))#g' \ -e 's#@TERMINAL_CONFIG@#$(strip $(GRUB_TERMINAL_CONFIG))#g' \ - -e 's#@CMDLINE@#$(strip $(call Image/cmdline/$(1)) $(BOOTOPTS) $(GRUB_CONSOLE_CMDLINE))#g' \ - -e 's#(hd0,0)#(cd)#g' \ - ./menu.lst > $(KDIR)/root.grub/boot/grub/menu.lst - $(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz - mkisofs -R -b boot/grub/stage2_eltorito -no-emul-boot -boot-load-size 4 -boot-info-table \ - -o $(KDIR)/root.iso $(KDIR)/root.grub -endef + -e 's#@CMDLINE@#root=/dev/sr0 rootfstype=iso9660 rootwait $(strip $(call Image/cmdline/$(1)) $(BOOTOPTS) $(GRUB_CONSOLE_CMDLINE))#g' \ + -e 's#@TIMEOUT@#$(GRUB_TIMEOUT)#g' \ + ./grub-iso.cfg > $(KDIR)/root.grub/boot/grub/grub.cfg + $(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz + mkisofs -R -b boot/grub/eltorito.img -no-emul-boot -boot-info-table \ + -o $(KDIR)/root.iso $(KDIR)/root.grub $(TARGET_DIR) +endef ifneq ($(CONFIG_X86_VDI_IMAGES),) define Image/Build/vdi @@ -200,23 +215,57 @@ define Image/BuildKernel endif endef +define Image/Build/Profile/ar525w + cp $(KDIR)/bzImage $(KDIR)/bzImage.tmp + $(SCRIPT_DIR)/pad_image $(1) $(KDIR)/bzImage.tmp $(KDIR)/root.$(1) 32 + $(STAGING_DIR_HOST)/bin/airlink -b 1 $(KDIR)/bzImage.tmp $(KDIR)/root.$(1) \ + $(BIN_DIR)/$(IMG_PREFIX)-$(1)-ar525w.img + $(STAGING_DIR_HOST)/bin/airlink -e -b 1 $(KDIR)/bzImage.tmp $(KDIR)/root.$(1) \ + $(BIN_DIR)/$(IMG_PREFIX)-$(1)-ar525w-web.img +endef + +define Image/Build/Profile/sitecom + cp $(KDIR)/bzImage $(KDIR)/bzImage.tmp + #32k config data + 20 bytes header + 2 bytes checksum after kernel image + $(SCRIPT_DIR)/pad_image $(1) $(KDIR)/bzImage.tmp $(KDIR)/root.$(1) 32790 + $(TOPDIR)/target/linux/rdc/image/mkimg_sitecom.pl $(KDIR)/bzImage.tmp > $(KDIR)/tmp.img + cat $(KDIR)/root.$(1) >> $(KDIR)/tmp.img + cp $(KDIR)/tmp.img $(BIN_DIR)/$(IMG_PREFIX)-$(1)-sitecom.img + rm $(KDIR)/tmp.img $(KDIR)/bzImage.tmp +endef + +define Image/Build/Profile/bifferboard + $(TOPDIR)/target/linux/rdc/image/mkimg_bifferboard.py $(KDIR)/bzImage $(KDIR)/root.$(1) \ + $(BIN_DIR)/$(IMG_PREFIX)-$(1)-bifferboard.img +endef + define Image/Prepare $(CP) $(LINUX_DIR)/arch/x86/boot/bzImage $(KDIR)/bzImage $(call Image/Prepare/bootscript) - $(call Image/Prepare/grub) + $(call Image/Prepare/grub2) +endef + +define Image/Build/Initramfs + $(CP) $(KDIR)/bzImage $(BIN_DIR)/$(IMG_PREFIX)-ramfs.bzImage endef define Image/Build $(call Image/Build/$(1)) $(call Image/Build/bootscript,$(1)) ifneq ($(1),iso) - $(call Image/Build/grub,$(1)) + $(call Image/Build/grub2,$(1)) $(call Image/Build/vdi,$(1)) $(call Image/Build/vmdk,$(1)) - endif $(CP) $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_PREFIX)-rootfs-$(1).img + else + $(CP) $(KDIR)/root.iso $(BIN_DIR)/$(IMG_PREFIX).iso + endif $(CP) $(KDIR)/bzImage $(BIN_DIR)/$(IMG_PREFIX)-vmlinuz $(call Image/Build/gzip/$(1)) + $(call Image/Build/Profile/$(PROFILE),$(1)) +ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y) + $(call Image/Build/Initramfs) +endif endef $(eval $(call BuildImage)) diff --git a/target/linux/x86/image/gen_image_x86.sh b/target/linux/x86/image/gen_image_generic.sh index e1d1b92dd..9d11efbb0 100755 --- a/target/linux/x86/image/gen_image_x86.sh +++ b/target/linux/x86/image/gen_image_generic.sh @@ -1,8 +1,8 @@ #!/usr/bin/env bash -# Copyright (C) 2006-2010 OpenWrt.org -set -x -[ $# == 5 ] || { - echo "SYNTAX: $0 <file> <kernel size> <kernel directory> <rootfs size> <rootfs image>" +# Copyright (C) 2006-2012 OpenWrt.org +set -x +[ $# == 5 -o $# == 6 ] || { + echo "SYNTAX: $0 <file> <kernel size> <kernel directory> <rootfs size> <rootfs image> [<align>]" exit 1 } @@ -11,6 +11,7 @@ KERNELSIZE="$2" KERNELDIR="$3" ROOTFSSIZE="$4" ROOTFSIMAGE="$5" +ALIGN="$6" rm -f "$OUTPUT" @@ -19,7 +20,7 @@ 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 ${ROOTFSSIZE}m` +set `ptgen -o "$OUTPUT" -h $head -s $sect -p ${KERNELSIZE}m -p ${ROOTFSSIZE}m ${ALIGN:+-l $ALIGN}` KERNELOFFSET="$(($1 / 512))" KERNELSIZE="$(($2 / 512))" @@ -36,13 +37,3 @@ dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc genext2fs -d "$KERNELDIR" -b "$BLOCKS" "$OUTPUT.kernel" dd if="$OUTPUT.kernel" of="$OUTPUT" bs=512 seek="$KERNELOFFSET" conv=notrunc rm -f "$OUTPUT.kernel" - -which chpax >/dev/null && chpax -zp $(which grub) -grub --batch --no-curses --no-floppy --device-map=/dev/null <<EOF -device (hd0) $OUTPUT -geometry (hd0) $cyl $head $sect -root (hd0,0) -setup (hd0) -quit -EOF - diff --git a/target/linux/x86/image/grub-early.cfg b/target/linux/x86/image/grub-early.cfg new file mode 100644 index 000000000..4a5b5a609 --- /dev/null +++ b/target/linux/x86/image/grub-early.cfg @@ -0,0 +1 @@ +configfile (hd0,msdos1)/boot/grub/grub.cfg diff --git a/target/linux/x86/image/grub-iso.cfg b/target/linux/x86/image/grub-iso.cfg new file mode 100644 index 000000000..3d47a95a4 --- /dev/null +++ b/target/linux/x86/image/grub-iso.cfg @@ -0,0 +1,10 @@ +@SERIAL_CONFIG@ +@TERMINAL_CONFIG@ + +set default="0" +set timeout="@TIMEOUT@" +set root='(cd)' + +menuentry "OpenWrt" { + linux /boot/vmlinuz @CMDLINE@ noinitrd +} diff --git a/target/linux/x86/image/grub.cfg b/target/linux/x86/image/grub.cfg new file mode 100644 index 000000000..33b9d0b1a --- /dev/null +++ b/target/linux/x86/image/grub.cfg @@ -0,0 +1,13 @@ +@SERIAL_CONFIG@ +@TERMINAL_CONFIG@ + +set default="0" +set timeout="@TIMEOUT@" +set root='(hd0,msdos1)' + +menuentry "OpenWrt" { + linux /boot/vmlinuz @CMDLINE@ noinitrd +} +menuentry "OpenWrt (failsafe)" { + linux /boot/vmlinuz failsafe=true @CMDLINE@ noinitrd +} diff --git a/target/linux/x86/image/menu.lst b/target/linux/x86/image/menu.lst deleted file mode 100644 index 5af1e955b..000000000 --- a/target/linux/x86/image/menu.lst +++ /dev/null @@ -1,15 +0,0 @@ -@SERIAL_CONFIG@ -@TERMINAL_CONFIG@ - -default 0 -timeout @TIMEOUT@ - -title OpenWrt -root (hd0,0) -kernel /boot/vmlinuz @CMDLINE@ noinitrd reboot=bios -boot - -title OpenWrt (failsafe) -root (hd0,0) -kernel /boot/vmlinuz failsafe=true @CMDLINE@ noinitrd reboot=bios -boot diff --git a/target/linux/x86/image/mkimg_bifferboard.py b/target/linux/x86/image/mkimg_bifferboard.py new file mode 100755 index 000000000..5444abebd --- /dev/null +++ b/target/linux/x86/image/mkimg_bifferboard.py @@ -0,0 +1,50 @@ +#!/usr/bin/env python + +""" + Create firmware for 4/8MB Bifferboards, suitable for uploading using + either bb_upload8.py or bb_eth_upload8.py +""" + +import struct, sys + +# Increase the kmax value if the script gives errors about the kernel being +# too large. You need to set the Biffboot kmax value to the same value you +# use here. +kmax = 0x10 + +# No need to change this for 4MB devices, it's only used to tell you if +# the firmware is too large! +flash_size = 0x800000 + +# This is always the same, for 1MB, 4MB and 8MB devices +config_extent = 0x6000 + +kernel_extent = kmax * 0x10000 + +if __name__ == "__main__": + + if len(sys.argv) != 4: + print "usage: mkimg_bifferboard.py <kernel> <rootfs> <output file>" + sys.exit(-1) + + bzimage = sys.argv[1] + rootfs = sys.argv[2] + target = sys.argv[3] + + # Kernel first + fw = file(bzimage).read() + if len(fw) > (kernel_extent - config_extent): + raise IOError("Kernel too large") + + # Pad up to end of kernel partition + while len(fw) < (kernel_extent - config_extent): + fw += "\xff" + + fw += file(rootfs).read() + + # Check length of total + if len(fw) > (flash_size - 0x10000 - config_extent): + raise IOError("Rootfs too large") + + file(target,"wb").write(fw) + print "Firmware written to '%s'" % target diff --git a/target/linux/x86/image/mkimg_sitecom.pl b/target/linux/x86/image/mkimg_sitecom.pl new file mode 100755 index 000000000..cfd5e652f --- /dev/null +++ b/target/linux/x86/image/mkimg_sitecom.pl @@ -0,0 +1,11 @@ +#!/usr/bin/perl + +open (bzimg, @ARGV[0]); +while (<bzimg>) { $i .= $_; } +$i .= pack "v", -(unpack "%v*", $i); +print "CSYS"; +print pack("V", length($i)); +print pack("V", 0); +print "WRRM"; +print pack("V", length($i)); +print $i; |