QEMU notes

./aarch64-softmmu/qemu-system-aarch64 -machine type=virt,help

./aarch64-softmmu/qemu-system-aarch64 -machine virt -cpu help

./aarch64-softmmu/qemu-system-aarch64 -machine virt,graphics=on,gic-version=3,virtualization=on \
                                      -cpu cortex-a53 \
                                      --serial mon:stdio \
                                      -netdev user,id=unet,hostfwd=tcp::2222-:22 -device virtio-net-device,netdev=unet \
                                      -device virtio-blk-device,drive=myblock -drive file=/home/alex/lsrc/qemu/images/debian-stable-arm64.qcow2,id=myblock,index=0,if=none \
                                      -kernel /home/alex/lsrc/qemu/images/aarch64-current-linux-kernel-only.img \
                                      -append "console=ttyAMA0 root=/dev/vda1" \
                                      -display none -m 4096 -name debug-threads=on -smp 4

./aarch64-softmmu/qemu-system-aarch64 -machine virt,graphics=on,gic-version=3,virtualization=on \
                                      -cpu cortex-a53 \
                                      --serial mon:stdio \
                                      -nic user,model=virtio-net-pci,hostfwd=tcp::2222-:22 \
                                      -device virtio-scsi-pci
                                      -drive file=/dev/zvol/hackpool-0/debian-stretch-arm64,id=hd0,index=0,if=none,format=raw -device scsi-hd,drive=hd0 \
                                      -bios /usr/share/qemu-efi-aarch64/QEMU_EFI.fd \
                                      -display none -m 8192 -name debug-threads=on -smp 8

N:some source code here

sudo ~/src/vmdebootstrap.git/vmdebootstrap --image jessie-arm64.img --size 5g --log test.log --arch arm64 --foreign /usr/bin/qemu-aarch64-static --no-kernel --distribution testing --package htop,tmux,emacs24,zile,openssh-server,git-core,locales
sudo chown $USER:$USER jessie-arm64.img
qemu-img convert -O qcow2 jessie-arm64.img jessie-arm64.qcow2

fakeroot debootstrap --include=openssh-server --foreign --arch=arm64 trusty ubuntu-trusty.arm64 http://ports.ubuntu.com /usr/share/debootstrap/scripts/gutsy

/debootstrab/debootstrap --second-stage

./aarch64-softmmu/qemu-system-aarch64 -machine virt -cpu cortex-a57 -machine type=virt -display none -serial telnet:127.0.0.1:4444 -monitor stdio -smp 2 -m 2048 -kernel ../images/aarch64-current-linux-kernel-only.img --append "console=ttyAMA0 root=/dev/vda1" -drive file=../images/jessie-arm64.qcow2,id=myblock,index=0 -device virtio-blk-device,drive=myblock -netdev user,id=unet,hostfwd=tcp::2222-:22 -device virtio-net-device,netdev=unet

~/lsrc/qemu/qemu.git/arm-softmmu/qemu-system-arm -machine virt "-cpu" "cortex-a15" "-machine" "type=virt" -display none "-smp" "1" "-m" "2048" "-kernel" aarch32-current-linux-initrd-guest.img "-append" "console=ttyAMA0" -serial mon:stdio

./aarch64-softmmu/qemu-system-aarch64 -machine virt -cpu cortex-a57 -machine type=virt -nographic -smp 1 -m 2048 -kernel ../linux.git/arch/arm64/boot/Image  --append "console=ttyAMA0 root=/dev/vda debug=vc" -drive file=../rootfs/ubuntu-trusty.img,id=myblock,index=0 -device virtio-blk-device,drive=myblock -netdev user,id=unet -device virtio-net-device,netdev=unet

./aarch64-softmmu/qemu-system-aarch64 -machine virt -cpu cortex-a57 -machine type=virt -nographic -smp 1 -m 2048 -kernel ../images/aarch64-current-linux-kernel-only.img --append "console=ttyAMA0 root=/dev/vda1" -drive file=../images/jessie-arm64.qcow2,id=myblock,index=0 -device virtio-blk-device,drive=myblock -netdev user,id=unet -device virtio-net-device,netdev=unet

./configure --cc=clang --extra-cflags="-g3 -O0 -fsanitize=thread" --with-coroutine=gthread --enable-debug --enable-debug-info --target-list=arm-softmmu,aarch64-softmmu,arm-linux-user,aarch64-linux-user --disable-pie

cd ~/lsrc/qemu/qemu.git
./configure --disable-strip --enable-debug --enable-gcov --enable-virtfs --target-list=aarch64-linux-user,aarch64-softmmu,arm-linux-user,arm-softmmu --enable-trace-backend=ust --enable-profiler

cd ~/lsrc/qemu/qemu.git
./configure --disable-strip --disable-guest-base --enable-debug --enable-gcov --enable-virtfs --target-list=aarch64-linux-user,aarch64-softmmu,arm-linux-user,arm-softmmu

cd ~/lsrc/qemu/qemu.git
./configure --disable-strip --enable-debug --static --target-list=aarch64-linux-user,arm-linux-user

~/lsrc/qemu/qemu.git/aarch64-softmmu/qemu-system-aarch64 -machine virt "-cpu" "cortex-a57" "-machine" "type=virt" "-nographic" "-smp" "1" "-m" "2048" "-kernel"
 "/home/alex/lsrc/qemu/linux.git/arch/arm64/boot/Image" "-append" "console=ttyAMA0" -fsdev local,id=r,path=/home/alex/lsrc/qemu/rootfs/trusty-core,security_model=none -device virtio-9p-device
,fsdev=r,mount_tag=r

mount -t 9p -o trans=virtio r /mnt

./x86_64-softmmu/qemu-system-x86_64 -display none -m 4096 -serial mon:stdio -netdev user,id=unet -device virtio-net-pci,netdev=unet -drive file=/home/alex/lsrc/qemu/images/jessie-x86_64.qcow2,id=myblock,index=0,if=none -device virtio-blk-pci,drive=myblock -append "console=ttyS0 root=/dev/vda1" -kernel /home/alex/lsrc/qemu/kernel-x86-plain.build/arch/x86/boot/bzImage

#!/bin/sh -e
# Convert QEMU trace to output PC values
# Assumes run with -d in_asm,exec,cpu,int,unimp,guest_errors,nochain -singlestep
#
# We also convert
# "...really an SG instruction at 0x2c000000, executing it"
# to a PC line of 0x2c000000
# (this is part of the -d int tracing, SG is a special case)
#
# The tricky part here is that we need to suppress printing of the
# PC line if there's a following "Stopped execution of TB chain" line.
sed -ne 's/...really an SG instruction at 0x\([0-9a-f]*\),.*$/\1/p;s/^Trace 0: 0x[0-9a-f]* \[[0-9a-f]*\/\([0-9a-f]*\)\/0x[0-9a-f]*\].*$/\1/p;s/^Stopped execution of TB chain before.*/Stopped/p' |
  sed -ne '1{x;d};/Stopped/{x;d};x;//!p;${x;p}'

time ~/lsrc/lava/test-definitions.git/ubuntu/scripts/qemu-boot-speed.expect ./aarch64-softmmu/qemu-system-aarch64 -machine virt -cpu cortex-a57 -nographic -smp 1 -m 2048 -kernel ../linux.git/arch/arm64/boot/Image --append "console=ttyAMA0"

./risugen --numinsns 100000 --no-fp --pattern "ADD.* A64" --pattern "SUB.* A64" aarch64.risu add_addi.risu.bin

aarch64-linux-gnu-objdump -b binary -m aarch64 -D rev.risu.bin > rev.risu.asm

set -e
git describe
echo "Configuring build: `date`"
cd builds/all
../../configure --python=python3 > /dev/null
make clean > /dev/null
echo "Configure and clean complete: `date`"

set -e
git describe
cd builds/all
if test -z $prefix; then
    echo "Starting build: `date`"
    make -j9 > /dev/null 2>&1
    echo "Build complete: `date`"
 else
    # Done manually?
    echo "Skipping build (done manually?): `date`"
    echo "Dumping last linked binaries:"
fi
find . \( -regex ".*linux-user/qemu.*$" -or -regex ".*softmmu/qemu-system.*$" \) -and -printf '%T+ %p\n' | sort | tail -n 5

set -e
git describe
cd builds/all
if test -z $prefix; then
    echo "Starting check: `date`"
    make check | tail -n 5
    echo "Check complete: `date`"
    make check-tcg | tail -n 5
    echo "TCG Check complete: `date`"
else
    # Done manually?
    echo "Skipping check: `date`"
fi

./scripts/checkpatch.pl -q ${series}.patches/* > ${series}.checkpatch
lines=$(cat ${series}.checkpatch | wc -l)
if test "$lines" -gt 150 ; then
  echo "Results too long ($lines), see ${series}.checkpatch"
else
  cat ${series}.checkpatch
  rm -f ${series}.checkpatch
fi
echo "Finished running @ `date`"

(save-excursion
  (goto-char (point-min))
  (when (re-search-forward "^*** Cover Letter")
    (goto-char (match-beginning 0))
    (next-line)
    (let ((beg (point)))
      (outline-next-heading)
      (previous-line)
      (concat
       (buffer-substring-no-properties beg (point))))))

git send-email --confirm=never --dry-run --quiet ${mailto} ${series}.patches/*

set -e
git send-email --confirm=never --quiet ${mailto} ${series}.patches/*
rm -rf ${series}.patches

errors=0
commits=0
while read rev; do
    author=$(git show -s --format='%an <%ae>' $rev)
    body=$(git show -s --format='%B' $rev)

    # Check for Author signoff
    if ! grep -q "^Signed-off-by: $author" <<< "$body"; then
        errors=$((errors+1))
        echo $(git log -1 --pretty=format:"missing author signoff - %h - %an: %s" $rev)
    fi

    # Check for my signoff
    if ! grep -q "^Signed-off-by: $signoff" <<< "$body"; then
        errors=$((errors+1))
        echo $(git log -1 --pretty=format:"missing my signoff - %h - %an: %s" $rev)
    fi

    # check for unreviewed patches for patches I authored
    if [ "$author" = "$signoff" ]; then
        if ! grep -q "^Reviewed-by:" <<< "$body"; then
            echo $(git log -1 --pretty=format:"unreviewed - %h - %an: %s" $rev)
        fi
    fi

    # Check for stray history
    if grep -q "^--" <<< "$body"; then
        errors=$((errors+1))
        echo $(git log -1 --pretty=format:"has commit history - %h - %an: %s" $rev)
    fi

    commits=$((commits+1))
done < <(git rev-list "origin/master..HEAD")

echo "Found $errors errors over $commits commits"

current=$(git rev-parse --abbrev-ref HEAD)
if [ -d "${series}.pull" ]; then
  rm -rf ${series}.pull
fi
git format-patch origin/master..${current} -p -o ${series}.pull
# need to delete old fixup branches
prb=${current}-pr
echo ${prb}
git branch -f -D ${prb}
git checkout -b ${prb} origin/master
git am ${series}.pull/*
rm -rf ${series}.pull

(let ((tag (format
            "pull-%s-%s-%d"
            series
            (format-time-string "%d%m%y")
            version)))
  (magit-tag-create tag "HEAD" "--sign")
  tag)

set -e
tag=$(git describe)
git push github $tag
git push gitlab $tag
echo "pushed $tag"

(if (= 1 version)
    "PULL"
  (format "PULL v%d" version))

if [ -d "${series}.pull" ]; then
  rm -rf ${series}.pull
fi
git format-patch --subject-prefix="$subjprefix" --cover-letter origin/master..HEAD -p -o ${series}.pull

if test -z "$prefix" ; then
  git send-email --confirm=never --dry-run --quiet ${mailto} ${series}.pull/*
else
  git send-email --confirm=never --dry-run --quiet ${mailto} ${series}.pull/0000*
fi

if test -z "$prefix" ; then
  git send-email --confirm=never --quiet ${mailto} ${series}.pull/*
else
  git send-email --confirm=never --quiet ${mailto} ${series}.pull/0000*
fi
rm -rf ${series}.pull

git send-email --confirm=never --dry-run --quiet ${mailto} ${series}.patches/*

set -e
git send-email --confirm=never --quiet ${mailto} ${series}.patches/*
rm -rf ${series}.patches