mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-23 02:05:57 +01:00
9p mount the output directory.
This is in preparation for moving parsec to 9p once we get it working on gem5. We'll document it then when everything is working.
This commit is contained in:
Ciro Santilli
70
run
70
run
@@ -65,67 +65,73 @@ while getopts a:c:Dde:G:giKknt:x OPT; do
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done
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shift "$(($OPTIND - 1))"
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extra_flags="$extra_flags $@"
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arch_dir="$arch"
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if "$gem5"; then
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arch_dir="${arch}-gem5"
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fi
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root_dir="$(pwd)"
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buildroot_dir="${root_dir}/buildroot"
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out_dir="${root_dir}/buildroot/output.${arch_dir}~"
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if $gem5; then
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outdir="$(pwd)/buildroot/output.${arch}-gem5~"
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gem5_dir="$(pwd)/gem5/gem5"
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if "$gem5"; then
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gem5_dir="${root_dir}/gem5/gem5"
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if [ "$arch" = x86_64 ]; then
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if "$kvm"; then
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extra_flags="$extra_flags --cpu-type=X86KvmCPU"
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fi
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cmd="\
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M5_PATH='$(pwd)/gem5/gem5-system' \
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M5_PATH='${root_dir}/gem5/gem5-system' \
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'${gem5_dir}/build/X86/gem5.opt' \
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${gem5opts} \
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'${gem5_dir}/configs/example/fs.py' \
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--command-line='earlyprintk=ttyS0 console=ttyS0 lpj=7999923 root=/dev/hda $extra_append' \
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--disk-image='${outdir}/images/rootfs.ext2' \
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--kernel='${outdir}/build/linux-custom/vmlinux' \
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--disk-image='${out_dir}/images/rootfs.ext2' \
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--kernel='${out_dir}/build/linux-custom/vmlinux' \
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--num-cpus=${cpus} \
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$extra_flags \
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"
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elif [ "$arch" = arm ] || [ "$arch" = aarch64 ]; then
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cmd="\
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M5_PATH='$(pwd)/gem5/gem5-system' \
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M5_PATH='${root_dir}/gem5/gem5-system' \
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$debug_vm \
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'${gem5_dir}/build/ARM/gem5.opt' \
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${gem5opts} \
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'${gem5_dir}/configs/example/fs.py' \
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--command-line='earlyprintk=pl011,0x1c090000 console=ttyAMA0 lpj=19988480 rw loglevel=8 mem=512MB root=/dev/sda $extra_append' \
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--disk-image='${outdir}/images/rootfs.ext2' \
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--disk-image='${out_dir}/images/rootfs.ext2' \
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--dtb-file='${gem5_dir}/system/arm/dt/$([ "$arch" = arm ] && echo "armv7_gem5_v1_${cpus}cpu" || echo "armv8_gem5_v1_${cpus}cpu").dtb' \
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--kernel='${outdir}/build/linux-custom/vmlinux' \
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--kernel='${out_dir}/build/linux-custom/vmlinux' \
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--machine-type=VExpress_GEM5_V1 \
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--num-cpus=${cpus} \
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$extra_flags \
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"
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fi
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else
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buildroot_out_dir="./buildroot/output.${arch}~"
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if "$kvm"; then
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extra_flags="$extra_flags -enable-kvm"
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extra_flags="${extra_flags} -enable-kvm"
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fi
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extra_flags="$extra_flags_qemu $extra_flags"
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images_dir="$buildroot_out_dir/images"
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extra_flags="${extra_flags_qemu} ${extra_flags}"
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images_dir="${out_dir}/images"
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qemu_common="\
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$debug_vm \
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$buildroot_out_dir/host/usr/bin/qemu-system-${arch} \
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${debug_vm} \
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${out_dir}/host/usr/bin/qemu-system-${arch} \
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-m 128M \
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-monitor telnet::45454,server,nowait \
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-netdev user,hostfwd=tcp::45455-:45455,id=net0 \
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-smp $cpus \
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-virtfs local,path=9p,mount_tag=host0,security_model=mapped,id=host0 \
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-virtfs local,path=9p,mount_tag=host_scratch,security_model=mapped,id=host_scratch \
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-virtfs local,path=${out_dir}/build,mount_tag=host_out,security_model=mapped,id=host_out \
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"
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if $initrd; then
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extra_flags="$extra_flags -initrd '${images_dir}/rootfs.cpio'"
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if "$initrd"; then
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extra_flags="${extra_flags} -initrd '${images_dir}/rootfs.cpio'"
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fi
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# The base QEMU commands are found under board/qemu/*/readme.tx
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case "$arch" in
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x86_64)
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if $kgdb; then
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if "$kgdb"; then
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extra_append="$extra_append kgdboc=ttyS0,115200"
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fi
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if ! $initrd; then
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if ! "$initrd"; then
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root='root=/dev/vda'
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extra_flags="$extra_flags -drive file='${images_dir}/rootfs.ext2.qcow2,if=virtio,format=qcow2'"
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fi
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@@ -136,14 +142,14 @@ $buildroot_out_dir/host/usr/bin/qemu-system-${arch} \
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-device lkmc_pci_min \
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-device virtio-net-pci,netdev=net0 \
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-kernel ${images_dir}/bzImage \
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$extra_flags \
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${extra_flags} \
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"
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;;
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arm)
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if $kgdb; then
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if "$kgdb"; then
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extra_append="$extra_append kgdboc=ttyAMA0,115200"
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fi
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if ! $initrd; then
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if ! "$initrd"; then
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root='root=/dev/sda'
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extra_flags="$extra_flags -drive file='${images_dir}/rootfs.ext2.qcow2,if=scsi,format=qcow2'"
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fi
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@@ -158,33 +164,33 @@ $extra_flags \
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"
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;;
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aarch64)
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if $kgdb; then
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extra_append="$extra_append kgdboc=ttyAMA0,115200"
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if "$kgdb"; then
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extra_append="${extra_append} kgdboc=ttyAMA0,115200"
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fi
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cmd="$qemu_common \
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cmd="${qemu_common} \
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-M virt \
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-append 'root=/dev/sda $extra_append' \
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-append 'root=/dev/sda ${extra_append}' \
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-cpu cortex-a57 \
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-device virtio-net-device,netdev=net0 \
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-kernel ${images_dir}/Image \
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-nographic \
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-serial stdio \
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$extra_flags \
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${extra_flags} \
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"
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;;
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mips64)
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if ! $initrd; then
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if ! "$initrd"; then
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root='root=/dev/hda'
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extra_flags="$extra_flags -drive file='${images_dir}/rootfs.ext2.qcow2,format=qcow2'"
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extra_flags="${extra_flags} -drive file='${images_dir}/rootfs.ext2.qcow2,format=qcow2'"
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fi
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cmd="$qemu_common \
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-M malta \
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-append 'root=/dev/hda $extra_append' \
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-append 'root=/dev/hda ${extra_append}' \
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-cpu I6400 \
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-device pcnet \
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-kernel ${images_dir}/vmlinux \
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-nographic \
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$extra_flags \
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${extra_flags} \
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"
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;;
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esac
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