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qemurr: create

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qemu: start documenting unmerged replay reverse debugging while testing it
This commit is contained in:
Ciro Santilli
2018-08-08 00:41:12 +01:00
parent 19f4d00f9b
commit 02e294c62c
5 changed files with 84 additions and 25 deletions
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23
run
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@@ -270,7 +270,7 @@ else
common_mkdir
qemu_executable="qemu-system-${arch}"
else
qemu_executable="${buildroot_out_dir}/host/usr/bin/qemu-system-${arch}"
qemu_executable="${common_qemu_variant_dir}/${arch}-softmmu/qemu-system-${arch}"
fi
extra_flags="${extra_flags_qemu} ${extra_flags}"
qemu_common="\
@@ -303,12 +303,14 @@ ${vnc}"
driveif=none
rrid=',id=img-direct'
root='root=/dev/sda'
snapshot=
else
driveif=virtio
root='root=/dev/vda'
rrid=
snapshot=,snapshot
fi
extra_flags="${extra_flags} -drive 'file=${common_images_dir}/rootfs.ext2.qcow2,format=qcow2,if=${driveif},snapshot${rrid}' \\
extra_flags="${extra_flags} -drive 'file=${common_images_dir}/rootfs.ext2.qcow2,format=qcow2,if=${driveif}${snapshot}${rrid}' \\
"
if [ -n "$rr" ]; then
extra_flags="${extra_flags} \\
@@ -323,6 +325,10 @@ ${vnc}"
extra_flags="${extra_flags} \
-object filter-replay,id=replay,netdev=net0 \\
-icount 'shift=7,rr=${rr},rrfile=${common_qemu_rrfile}' \\
"
virtio_gpu_pci=
else
virtio_gpu_pci="-device virtio-gpu-pci \\
"
fi
case "$arch" in
@@ -330,18 +336,11 @@ ${vnc}"
if "$kgdb"; then
extra_append="${extra_append} kgdboc=ttyS0,115200"
fi
if "$prebuilt"; then
custom_devices=
else
custom_devices="-device lkmc_pci_min \\
"
fi
cmd="\
${qemu_common} \
-M pc \\
-append '${root} nopat ${extra_append}' \\
-device edu \\
${custom_devices} \\
${extra_flags} \
"
;;
@@ -354,7 +353,7 @@ ${qemu_common} \
-M virt \\
-append '${root} ${extra_append}' \\
-cpu cortex-a15 \\
-device virtio-gpu-pci \\
${virtio_gpu_pci} \
${extra_flags} \
"
;;
@@ -367,7 +366,7 @@ ${qemu_common} \
-M virt \\
-append '${root} ${extra_append}' \\
-cpu cortex-a57 \\
-device virtio-gpu-pci \\
${virtio_gpu_pci} \
-kernel '${common_images_dir}/Image' \\
${extra_flags} \
"
@@ -376,7 +375,7 @@ ${extra_flags} \
if ! "$ramfs"; then
root='root=/dev/hda'
extra_flags="${extra_flags} \
-drive 'file=${common_images_dir}/rootfs.ext2.qcow2,format=qcow2,snapshot' \\
-drive 'file=${common_images_dir}/rootfs.ext2.qcow2,format=qcow2${snapshot}' \\
"
fi
cmd="\