releasetools/x86_usbimage.sh

   1 #!/usr/bin/env bash
   2 set -e
   3
   4 #
   5 # This script creates a bootable image and should at some point in the future
   6 # be replaced by the proper NetBSD infrastructure.
   7 #
   8
   9 : ${ARCH=i386}
  10 : ${OBJ=../obj.${ARCH}}
  11 : ${TOOLCHAIN_TRIPLET=i586-elf32-minix-}
  12 : ${BUILDSH=build.sh}
  13
  14 : ${SETS="minix-base"}
  15 : ${IMG=minix_x86_usb.img}
  16
  17 if [ ! -f ${BUILDSH} ]
  18 then
  19         echo "Please invoke me from the root source dir, where ${BUILDSH} is."
  20         exit 1
  21 fi
  22
  23 #: ${RAMDISK_SIZE=$(( 200*(2**20) ))}
  24 : ${BOOTXX_SECS=32}
  25
  26 # set up disk creation environment
  27 . releasetools/image.defaults
  28 . releasetools/image.functions
  29
  30 # where the kernel & boot modules will be
  31 MODDIR=${DESTDIR}/boot/minix/.temp
  32
  33 echo "Building work directory..."
  34 build_workdir "$SETS"
  35
  36 echo "Adding extra files..."
  37 workdir_add_ramdisk_files
  38
  39 # set correct message of the day (log in and install tip)
  40 cp releasetools/release/ramdisk/etc/issue ${ROOT_DIR}/etc/issue
  41 add_file_spec "etc/issue" extra.cdfiles
  42
  43 echo "Bundling packages..."
  44 bundle_packages "$BUNDLE_PACKAGES"
  45
  46 echo "Creating specification files..."
  47 create_input_spec
  48 create_protos
  49
  50 echo "Writing ramdisk image..."
  51 # add the other modules for boot
  52 cp ${MODDIR}/* ${WORK_DIR}
  53 create_ramdisk_image ${RAMDISK_SIZE}
  54
  55 echo "Writing USB image..."
  56 # clear ROOT_DIR
  57 rm -rf ${ROOT_DIR}/*
  58 echo ". type=dir uid=0 gid=0 mode=0755" > ${WORK_DIR}/extra.boot
  59
  60 # move all modules back to ROOT_DIR
  61 mv ${WORK_DIR}/kernel ${WORK_DIR}/mod* ${ROOT_DIR}/
  62 add_file_spec "kernel" extra.boot
  63 for i in ${ROOT_DIR}/mod*; do
  64         add_file_spec $(basename $i) extra.boot
  65 done
  66
  67 # add boot.cfg
  68 cat >${ROOT_DIR}/boot.cfg <<END_BOOT_CFG
  69 menu=Start MINIX 3:load_mods /mod*; multiboot /kernel bootramdisk=1
  70 menu=Edit menu option:edit
  71 menu=Drop to boot prompt:prompt
  72 clear=1
  73 timeout=5
  74 default=1
  75 END_BOOT_CFG
  76 add_file_spec "boot.cfg" extra.boot
  77
  78 # add boot monitor
  79 cp ${DESTDIR}/usr/mdec/boot_monitor ${ROOT_DIR}/boot_monitor
  80 add_file_spec "boot_monitor" extra.boot
  81
  82 # create proto file
  83 cat ${WORK_DIR}/extra.boot | ${CROSS_TOOLS}/nbtoproto -b ${ROOT_DIR} -o ${WORK_DIR}/proto.boot
  84
  85 ROOT_START=${BOOTXX_SECS}
  86 _ROOT_SIZE=$(${CROSS_TOOLS}/nbmkfs.mfs -I $((${ROOT_START} * 512)) ${IMG} ${WORK_DIR}/proto.boot)
  87 _ROOT_SIZE=$(($_ROOT_SIZE / 512))
  88
  89 #
  90 # Write the partition table using the natively compiled
  91 # minix partition utility
  92 #
  93 ${CROSS_TOOLS}/nbpartition -m ${IMG} ${BOOTXX_SECS} 81:${_ROOT_SIZE}
  94 ${CROSS_TOOLS}/nbinstallboot -f -m ${ARCH} ${IMG} ${DESTDIR}/usr/mdec/bootxx_minixfs3
  95
  96 echo ""
  97 echo "Universally Supported Boot disk image at `pwd`/${IMG}"
  98 echo ""
  99 echo "To boot this image on kvm using the bootloader:"
 100 # This is really, really slow.
 101 # echo "qemu-system-i386 --enable-kvm -m 1G -usbdevice disk:`pwd`/${IMG}"
 102 echo "qemu-system-i386 --enable-kvm -m 1G -hda `pwd`/${IMG}"
 103 echo ""
 104 echo "To boot this image on kvm:"
 105 echo "cd ${ROOT_DIR} && qemu-system-i386 --enable-kvm -m 1G -kernel kernel -append \"bootramdisk=1\" -initrd \"${mods}\""