releasetools/x86_hdimage.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 minix-comp minix-games minix-man minix-tests tests"}
  15 : ${IMG=minix_x86.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 # we create a disk image of about 2 gig's
  24 # for alignment reasons, prefer sizes which are multiples of 4096 bytes
  25 : ${BOOTXX_SECS=32}
  26 : ${ROOT_SIZE=$((  128*(2**20) - ${BOOTXX_SECS} * 512 ))}
  27 : ${HOME_SIZE=$((  128*(2**20) ))}
  28 : ${USR_SIZE=$((  1792*(2**20) ))}
  29 : ${EFI_SIZE=$((  0  ))}
  30
  31 # set up disk creation environment
  32 . releasetools/image.defaults
  33 . releasetools/image.functions
  34
  35 echo "Building work directory..."
  36 build_workdir "$SETS"
  37
  38 echo "Adding extra files..."
  39 workdir_add_hdd_files
  40
  41 # add kernels
  42 add_link_spec "boot/minix_latest" "minix_default" extra.kernel
  43 workdir_add_kernel minix_default
  44 workdir_add_kernel minix/$RELEASE_VERSION
  45
  46 # add boot.cfg
  47 cat >${ROOT_DIR}/boot.cfg <<END_BOOT_CFG
  48 menu=Start MINIX 3:load_mods /boot/minix_default/mod*; multiboot /boot/minix_default/kernel rootdevname=c0d0p0
  49 menu=Start latest MINIX 3:load_mods /boot/minix_latest/mod*; multiboot /boot/minix_latest/kernel rootdevname=c0d0p0
  50 menu=Start latest MINIX 3 in single user mode:load_mods /boot/minix_latest/mod*; multiboot /boot/minix_latest/kernel rootdevname=c0d0p0 bootopts=-s
  51 menu=Start MINIX 3 ALIX:load_mods /boot/minix_default/mod*;multiboot /boot/minix_default/kernel rootdevname=c0d0p0 console=tty00 consdev=com0 ata_no_dma=1
  52 menu=Edit menu option:edit
  53 menu=Drop to boot prompt:prompt
  54 clear=1
  55 timeout=5
  56 default=2
  57 menu=Start MINIX 3 ($RELEASE_VERSION):load_mods /boot/minix/$RELEASE_VERSION/mod*; multiboot /boot/minix/$RELEASE_VERSION/kernel rootdevname=c0d0p0
  58 END_BOOT_CFG
  59 add_file_spec "boot.cfg" extra.boot
  60
  61 echo "Bundling packages..."
  62 bundle_packages "$BUNDLE_PACKAGES"
  63
  64 echo "Creating specification files..."
  65 create_input_spec
  66 create_protos "usr home"
  67
  68 # Clean image
  69 if [ -f ${IMG} ]        # IMG might be a block device
  70 then
  71         rm -f ${IMG}
  72 fi
  73
  74 #
  75 # Generate /root, /usr and /home partition images.
  76 #
  77 echo "Writing disk image..."
  78
  79 # all sizes are written in 512 byte blocks
  80 ROOTSIZEARG="-b $((${ROOT_SIZE} / 512 / 8))"
  81 USRSIZEARG="-b $((${USR_SIZE} / 512 / 8))"
  82 HOMESIZEARG="-b $((${HOME_SIZE} / 512 / 8))"
  83
  84 if [ ${EFI_SIZE} -ge 512 ]
  85 then
  86        fetch_and_build_grub
  87
  88        : ${EFI_DIR=$OBJ/efi}
  89        rm -rf ${EFI_DIR} && mkdir -p ${EFI_DIR}/boot/minix_default ${EFI_DIR}/boot/efi
  90        create_grub_cfg
  91        cp ${MODDIR}/* ${EFI_DIR}/boot/minix_default/
  92        cp ${RELEASETOOLSDIR}/grub/grub-core/booti386.efi ${EFI_DIR}/boot/efi
  93        cp ${RELEASETOOLSDIR}/grub/grub-core/*.mod ${EFI_DIR}/boot/efi
  94 fi
  95
  96 ROOT_START=${BOOTXX_SECS}
  97 echo " * ROOT"
  98 _ROOT_SIZE=$(${CROSS_TOOLS}/nbmkfs.mfs -d ${ROOTSIZEARG} -I $((${ROOT_START}*512)) ${IMG} ${WORK_DIR}/proto.root)
  99 _ROOT_SIZE=$(($_ROOT_SIZE / 512))
 100 USR_START=$((${ROOT_START} + ${_ROOT_SIZE}))
 101 echo " * USR"
 102 _USR_SIZE=$(${CROSS_TOOLS}/nbmkfs.mfs  -d ${USRSIZEARG}  -I $((${USR_START}*512))  ${IMG} ${WORK_DIR}/proto.usr)
 103 _USR_SIZE=$(($_USR_SIZE / 512))
 104 HOME_START=$((${USR_START} + ${_USR_SIZE}))
 105 echo " * HOME"
 106 _HOME_SIZE=$(${CROSS_TOOLS}/nbmkfs.mfs -d ${HOMESIZEARG} -I $((${HOME_START}*512)) ${IMG} ${WORK_DIR}/proto.home)
 107 _HOME_SIZE=$(($_HOME_SIZE / 512))
 108
 109 #
 110 # Write the partition table using the natively compiled
 111 # minix partition utility
 112 #
 113 if [ ${EFI_SIZE} -ge 512 ]
 114 then
 115        dd if=/dev/zero bs=${EFI_SIZE} count=1 > ${OBJ}/efi.img
 116        EFI_START=$((${HOME_START} + ${_HOME_SIZE}))
 117        echo " * EFI"
 118        ${CROSS_TOOLS}/nbmakefs -t msdos -s ${EFI_SIZE} -o "F=32,c=1" ${OBJ}/efi.img ${EFI_DIR}
 119        dd if=${OBJ}/efi.img >> ${IMG}
 120        ${CROSS_TOOLS}/nbpartition -m ${IMG} ${BOOTXX_SECS} 81:${_ROOT_SIZE}* 81:${_USR_SIZE} 81:${_HOME_SIZE} EF:1+
 121 else
 122        ${CROSS_TOOLS}/nbpartition -m ${IMG} ${BOOTXX_SECS} 81:${_ROOT_SIZE}* 81:${_USR_SIZE} 81:${_HOME_SIZE}
 123 fi
 124
 125 ${CROSS_TOOLS}/nbinstallboot -f -m ${ARCH} ${IMG} ${DESTDIR}/usr/mdec/bootxx_minixfs3
 126
 127 echo ""
 128 echo "Disk image at `pwd`/${IMG}"
 129 echo ""
 130 echo "To boot this image on kvm using the bootloader:"
 131 echo "qemu-system-i386 --enable-kvm -m 256 -hda `pwd`/${IMG}"
 132 echo ""
 133 echo "To boot this image on kvm:"
 134 echo "cd ${MODDIR} && qemu-system-i386 --enable-kvm -m 256M -kernel kernel -append \"rootdevname=c0d0p0\" -initrd \"${mods}\" -hda `pwd`/${IMG}"
 135 echo "To boot this image on kvm with EFI (tianocore OVMF):"
 136 echo "qemu-system-i386 -L . -bios OVMF-i32.fd -m 256M -drive file=minix_x86.img,if=ide,format=raw"