test/vkernel/Makefile

   1 # Makefile - set up a vkernel environment for testing the vkernel
   2 #
   3
   4 # require it to be specified
   5 SRCDIR ?= ${.CURDIR}/../..
   6 ROOTSIZE ?= 512M
   7 PHYSMEM ?= 128m
   8 NCPUS ?= 2
   9
  10 all: help
  11
  12 scratch: world32 kernel32 install32
  13         @echo "Run the environment with:"
  14         @echo "make VKDIR=${VKDIR} run"
  15
  16 quickw: quickworld32 quickkernel32 reinstall32 reinstallkernel32
  17         @echo "Run the environment with:"
  18         @echo "make VKDIR=${VKDIR} run"
  19
  20 quick: quickkernel32 reinstallkernel32
  21         @echo "Run the environment with:"
  22         @echo "make VKDIR=${VKDIR} run"
  23
  24 help:
  25         @echo "Setup Instructions:"
  26         @echo ""
  27         @echo "    setenv VKDIR target_dir"
  28         @echo ""
  29         @echo "Meta target components:"
  30         @echo ""
  31         @echo "    help     - this help"
  32         @echo "    clean    - clean up"
  33         @echo "    scratch  - build and install everything from scratch"
  34         @echo "               (this is absolutely everything)"
  35         @echo "    quick    - incremental kernel build & reinstall"
  36         @echo "    quickw   - incremental world & kernel build & reinstall"
  37         @echo "    run      - run vkernel with VKDIR/root.img"
  38         @echo "    mount    - mount VKDIR/root.img at VKDIR/root"
  39         @echo "    umount   - unmount"
  40         @echo ""
  41         @echo "Individual target components:"
  42         @echo ""
  43         @echo "    world32           - build the 32 bit world from scratch"
  44         @echo "    root32            - create a new, empty root.img"
  45         @echo "    install32         - install a 32 bit world & kernel"
  46         @echo "                        into root.img"
  47         @echo "    kernel32          - build 32 bit vkernel"
  48         @echo "    quickworld32      - incremental rebuild world32"
  49         @echo "    quickkernel32     - incremental rebuild kernel32"
  50         @echo "    reinstall32       - reinstall world32 into root.img"
  51         @echo "                        (just the installworld piece)"
  52         @echo "    reinstallkernel32 - reinstall kernel32 into root.img"
  53         @echo ""
  54
  55 # Unmount everything, de-configured VN, and clean up.
  56 # (check handles umounting/deconfiguring)
  57 #
  58 clean: check
  59         rm -rf ${VKDIR}/root.img ${VKDIR}/root
  60
  61 # Build the 32 bit world and kernel
  62 #
  63 #
  64 world32: checkq
  65         cd ${SRCDIR} && make -j 4 buildworld
  66
  67 kernel32: checkq
  68         cd ${SRCDIR} && make -j 4 KERNCONF=VKERNEL buildkernel
  69
  70 # Quick build - just rebuild the kernel quickly
  71 #
  72 #
  73 quickworld32: checkq
  74         cd ${SRCDIR} && make -j 4 quickworld
  75
  76 quickkernel32: checkq
  77         cd ${SRCDIR} && make KERNCONF=VKERNEL quickkernel
  78
  79 # Build and mount an empty filesystem for the emulated root disk
  80 #
  81 # NOTE: root32 must umount when done because a later dependency may
  82 #       have a dependency on mount.
  83 #
  84 root32: check
  85         vnconfig -c -T -S ${ROOTSIZE} -s labels \
  86             `cat ${VKDIR}/vn.which` ${VKDIR}/root.img
  87         dd if=/dev/zero of=/dev/`cat ${VKDIR}/vn.which` bs=32k count=4
  88         fdisk -IB `cat ${VKDIR}/vn.which`
  89         disklabel -r -w `cat ${VKDIR}/vn.which`s1 auto
  90         disklabel `cat ${VKDIR}/vn.which`s1 > ${VKDIR}/label.tmp
  91         echo 'a: * 0 4.2BSD' >> ${VKDIR}/label.tmp
  92         disklabel -R `cat ${VKDIR}/vn.which`s1 ${VKDIR}/label.tmp
  93         disklabel -B `cat ${VKDIR}/vn.which`s1
  94         newfs /dev/`cat ${VKDIR}/vn.which`s1a
  95         mkdir -p ${VKDIR}/root
  96         vnconfig -u `cat ${VKDIR}/vn.which` > /dev/null 2>&1
  97
  98 mount: check
  99         vnconfig -c -s labels `cat ${VKDIR}/vn.which` ${VKDIR}/root.img
 100         fsck -p /dev/`cat ${VKDIR}/vn.which`s1a
 101         mount /dev/`cat ${VKDIR}/vn.which`s1a ${VKDIR}/root
 102         @echo "Mounted ${VKDIR}/root"
 103
 104 umount: check
 105
 106 # Install a fresh 32 bit world & distribution, and kernel
 107 #
 108 install32: mount
 109         cd ${SRCDIR} && \
 110             make -j 4 DESTDIR=${VKDIR}/root installworld
 111         cd ${SRCDIR}/etc && \
 112             make -j 4 DESTDIR=${VKDIR}/root distribution
 113         echo '/dev/vkd0s1a      /       ufs     rw      1 1' > ${VKDIR}/root/etc/fstab
 114         echo 'proc              /proc   procfs  rw      0 0' >> ${VKDIR}/root/etc/fstab
 115         echo 'vfs.root.mountfrom="ufs:vkds1a"' > ${VKDIR}/root/boot/loader.conf
 116         #(egrep -v '^console' ${VKDIR}/root/etc/ttys; echo 'console "/usr/libexec/getty Pc"     cons25  on      secure') > ${VKDIR}/root/etc/ttys.new
 117         #mv -f ${VKDIR}/root/etc/ttys.new ${VKDIR}/root/etc/ttys
 118         cd ${SRCDIR} && \
 119             make -j 4 \
 120                  DESTDIR=${VKDIR}/root KERNCONF=VKERNEL \
 121                  NO_MODULES= \
 122                  installkernel
 123         cp ${VKDIR}/root/boot/kernel ${VKDIR}/vkernel
 124
 125 # Quick reinstall - just install a new kernel on top of an existing image
 126 #
 127 #
 128 reinstall32: mount
 129         cd ${SRCDIR} && make -j 4 DESTDIR=${VKDIR}/root installworld
 130
 131 reinstallkernel32: mount
 132         cd ${SRCDIR} && \
 133             make -j 4 DESTDIR=${VKDIR}/root KERNCONF=VKERNEL \
 134                  NO_MODULES= installkernel
 135         cp ${VKDIR}/root/boot/kernel ${VKDIR}/vkernel
 136
 137 sysloader: mount
 138         cp /boot/loader ${VKDIR}/root/boot/loader
 139         sync
 140
 141 # Run the vkernel on our image.  Make sure we are unmounted so
 142 # we do not compete against the emulated kernel when writing to root.img.
 143 # (check does this for us)
 144 #
 145 run: check
 146         cd ${VKDIR} && ./vkernel -m ${PHYSMEM} -n ${NCPUS} \
 147                         -r root.img -U -v \
 148                         -I /var/run/vknet
 149
 150 # Make sure we are not mounted and the VN device is unconfigured,
 151 #
 152 # Find an unused VN device but do not do anything with it yet.
 153 #
 154 checkq:
 155 .if !defined(VKDIR)
 156         @(echo "must specify VKDIR=target or as an environment variable"; exit 1)
 157 .endif
 158 .if exists(${VKDIR})
 159         @echo "${VKDIR} found"
 160 .else
 161         mkdir -p ${VKDIR}
 162 .endif
 163
 164 check: checkq
 165 .if exists(${VKDIR}/vn.which)
 166         -umount ${VKDIR}/root > /dev/null 2>&1
 167         -vnconfig -u `cat ${VKDIR}/vn.which` > /dev/null 2>&1
 168         rm -f ${VKDIR}/vn.which
 169 .endif
 170         (vnconfig -l | fgrep "not in use" > /dev/null) || \
 171             (echo "Cannot find unused VN"; exit 1)
 172         vnconfig -l | fgrep "not in use" | \
 173             cut -f 1 -d : | head -1 > ${VKDIR}/vn.which
 174         egrep '^vn' ${VKDIR}/vn.which > /dev/null || \
 175             (echo "VN device selection is bad"; exit 1)