Files
jsix/qemu.sh
Justin C. Miller 8bf2425c4a [tools] Make qemu.sh debugcon output optional
I got sick of closing the debugcon window all the time when I only need
it sometimes, so it's now gated behind the '-x' option to qemu.sh.
2023-07-04 16:23:47 -07:00

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#!/usr/bin/env bash
build="$(dirname $0)/build"
assets="$(dirname $0)/assets"
debug=""
isaexit='-device isa-debug-exit,iobase=0xf4,iosize=0x04'
debugtarget="${build}/jsix.elf"
gfx="-nographic"
vga="-vga none"
log=""
kvm=""
debugcon_cmd=""
cpu_features=",+pdpe1gb,+invtsc,+hypervisor,+x2apic,+xsavec,+xsaves,+xsaveopt"
cpu="Broadwell"
smp=4
while true; do
case "$1" in
-b | --debugboot)
debug="-s -S"
debugtarget="${build}/boot/boot.efi"
shift
;;
-d | --debug)
debug="-s -S"
isaexit=""
shift
;;
-g | --gfx)
gfx=""
vga=""
shift
;;
-v | --vga)
vga=""
shift
;;
-r | --remote)
shift
vnchost="${1:-${VNCHOST:-"localhost:5500"}}"
gfx="-vnc ${vnchost},reverse"
vga=""
shift
;;
-k | --kvm)
kvm="-enable-kvm"
cpu="max"
shift
;;
-c | --cpus)
smp=$2
shift 2
;;
-l | --log)
log="-d mmu,int,guest_errors -D jsix.log"
shift
;;
-x | --debugcon)
debugcon_cmd="less --follow-name -R +F debugcon.log"
shift
;;
*)
if [ -d "$1" ]; then
build="$1"
shift
fi
break
;;
esac
done
if [[ ! -c /dev/kvm ]]; then
kvm=""
fi
if ! ninja -C "${build}"; then
exit 1
fi
if [[ -n $TMUX ]]; then
cols=$(tput cols)
log_width=100
if [[ -n $debug ]]; then
log_cols=1
if [[ $debugcon_cmd ]]; then
log_cols=2
fi
gdb_width=$(($cols - $log_cols * $log_width))
if (($gdb_width < 150)); then
stack=1
gdb_width=$(($cols - $log_width))
tmux split-window -h -l $gdb_width "gdb ${debugtarget}"
if [[ $debugcon_cmd ]]; then
tmux select-pane -t .left
tmux split-window -v "$debugcon_cmd"
fi
else
if [[ $debugcon_cmd ]]; then
tmux split-window -h -l $(($log_width + $gdb_width)) "$debugcon_cmd"
fi
tmux split-window -h -l $gdb_width "gdb ${debugtarget}"
tmux select-pane -t .left
tmux select-pane -t .right
fi
else
if [[ $debugcon_cmd ]]; then
tmux split-window -h -l $log_width "$debugcon_cmd"
tmux last-pane
fi
tmux split-window -l 10 "sleep 1; telnet localhost 45454"
fi
elif [[ $DESKTOP_SESSION = "i3" ]]; then
if [[ -n $debug ]]; then
i3-msg exec i3-sensible-terminal -- -e "gdb ${debugtarget}" &
else
i3-msg exec i3-sensible-terminal -- -e 'telnet localhost 45454' &
fi
fi
qemu-system-x86_64 \
-drive "if=pflash,format=raw,readonly,file=${assets}/ovmf/x64/ovmf_code.fd" \
-drive "if=pflash,format=raw,file=${build}/ovmf_vars.fd" \
-drive "format=raw,file=${build}/jsix.img" \
-chardev file,path=debugcon.log,id=jsix_debug -device isa-debugcon,iobase=0x6600,chardev=jsix_debug \
-monitor telnet:localhost:45454,server,nowait \
-serial stdio \
-smp "${smp}" \
-m 4096 \
-cpu "${cpu}${cpu_features}" \
-M q35 \
-no-reboot \
-name jsix \
$isaexit $log $gfx $vga $kvm $debug
((result = ($? >> 1) - 1))
exit $result