75 lines
2.0 KiB
Bash
Executable File
75 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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export SDL_VIDEO_X11_DGAMOUSE=0 # see https://wiki.archlinux.org/index.php/QEMU#Mouse_cursor_is_jittery_or_erratic
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if [ "$JEHANNE" = "" ]; then
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echo $0 requires the shell started by ./hacking/devshell.sh
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exit 1
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fi
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trap : 2
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export machineflag=pc
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if [ "$(uname)" = "Linux" ] && [ -e /dev/kvm ]; then
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export kvmflag='-enable-kvm'
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export machineflag='pc,accel=kvm'
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if [ ! -w /dev/kvm ]; then
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# we don't have access as a regular user
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export kvmdo=sudo
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fi
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fi
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if [ "$1" = "" ]; then
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if [ "$DISK" = "" ]; then
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if [ -f $JEHANNE/hacking/sample-disk.img ]; then
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export DISK=$JEHANNE/hacking/sample-disk.img
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else
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echo No disk image provided: usage: $0 path/to/disk
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exit 1
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fi
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else
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echo No disk image provided: usage: $0 path/to/disk
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exit 1
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fi
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else
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export DISK="$1"
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fi
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case "$DISK" in
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*:*)
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bootDisk="-usb -usbdevice host:$DISK"
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;;
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*)
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bootDisk="-drive if=none,id=usbstick,file=$DISK -usb -readconfig /usr/share/doc/qemu-system-x86/common/ich9-ehci-uhci.cfg -device usb-host,bus=usb-bus.0,hostbus=3,hostport=1 -device usb-host,bus=usb-bus.0,hostbus=3,hostport=1 -device usb-storage,bus=ehci.0,drive=usbstick "
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;;
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esac
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#bootDisk="-device ahci,id=ahci -drive id=boot,file=$DISK,index=0,cache=writeback,if=none -device ide-drive,drive=boot,bus=ahci.0"
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bootDisk="-global ide-drive.physical_block_size=4096 -drive file=$DISK,if=ide,index=0,media=disk"
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cd $JEHANNE/arch/$ARCH/kern/
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read -r cmd <<EOF
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$kvmdo qemu-system-x86_64 -s -cpu Haswell -smp 2 -m 2048 $kvmflag \
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-serial stdio \
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--machine $machineflag \
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$bootDisk \
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-net nic,model=rtl8139 \
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-net user,hostfwd=tcp::5555-:1522 \
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-net dump,file=/tmp/vm0.pcap \
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-redir tcp:9999::9 \
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-redir tcp:17010::17010 \
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-redir tcp:17013::17013
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EOF
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# To enable qemu log:
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#-no-reboot -D $JEHANNE/../qemu.log -d int,cpu_reset,in_asm \
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# To wait for a gdb connection prepend to -append "waitgdb"
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# then from gdb:
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# (gdb) target remote :1234
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# (gdb) p at=1
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# now you can set your breakpoints and continue
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echo $cmd
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eval $cmd
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