mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-23 02:05:57 +01:00
95 lines
2.3 KiB
Bash
Executable File
95 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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# CLI handling.
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arch=x86_64
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debug=false
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debug_qemu=''
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kgdb=false
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nographic=false
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extra_append=''
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extra_flags=''
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while getopts a:de:knq OPT; do
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case "$OPT" in
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a)
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arch=$OPTARG
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;;
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d)
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debug=true
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extra_flags="$extra_flags -S -s"
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;;
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e)
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extra_append="$extra_append $OPTARG"
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;;
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k)
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debug=true
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extra_append="$extra_append kgdbwait"
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# For those who want to try KDB.
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#extra_append="$extra_append kgdbwait kgdboc=kbd"
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extra_flags="$extra_flags -serial tcp::1234,server,nowait"
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kgdb=true
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;;
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n)
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extra_append="$extra_append console=ttyS0"
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extra_flags="$extra_flags -nographic"
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nographic=true
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;;
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q)
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debug_qemu='gdb -q -ex start --args'
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;;
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esac
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done
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shift "$(($OPTIND - 1))"
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extra_flags="$extra_flags $@"
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images_dir='buildroot/output/images'
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case "$arch" in
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x86_64)
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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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cmd="$debug_qemu ./buildroot/output/host/usr/bin/qemu-system-x86_64 \
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-M pc \
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-append 'root=/dev/vda $extra_append' \
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-device edu \
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-drive file=${images_dir}/rootfs.ext2,if=virtio,format=raw \
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-kernel ${images_dir}/bzImage \
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-monitor telnet::45454,server,nowait \
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-m 128M \
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-net nic,model=virtio \
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-net user \
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-smp 1 \
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$extra_flags
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"
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;;
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arm)
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if $kgdb; then
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extra_append="$extra_append kgdboc=ttyAMA0,115200"
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fi
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cmd="qemu-system-arm \
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-M versatilepb \
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-append 'root=/dev/sda $extra_append' \
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-drive file=${images_dir}/rootfs.ext2,if=scsi,format=raw \
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-dtb ${images_dir}/versatile-pb.dtb \
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-kernel ${images_dir}/zImage \
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-m 128M \
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-monitor telnet::45454,server,nowait \
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-net nic,model=rtl8139 \
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-net user \
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-serial stdio \
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-smp 1 \
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$extra_flags"
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;;
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esac
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if "$debug" && ! "$nographic" && [ ! "$arch" = 'arm' ]; then
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eval "$cmd" &>/dev/null &
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# TODO: Ctrl +C gets sent to QEMU? Why? Does not happen if I run
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# ./rungdb manually from outside this script!!! But why?!?!
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# eval has nothing to do with it, minimized example with explicit
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# commands also fails in the same way...
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#./rungdb
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else
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eval "$cmd"
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fi
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