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[tools] Use less for viewing debugcon output in qemu.sh

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Allow scrollback and keeping around the pane after qemu exits by using
less as the viewer for the log output.
This commit is contained in:
Justin C. Miller
2023-03-16 19:54:06 -07:00
parent 692e0d8656
commit 90cf1e2220
2 changed files with 8 additions and 8 deletions
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2
.gitignore vendored
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@@ -3,7 +3,7 @@
/build* /build*
*.bak *.bak
tags tags
jsix.log *.log
*.out *.out
*.o *.o
*.a *.a

14
qemu.sh
View File

@@ -9,7 +9,8 @@ gfx="-nographic"
vga="-vga none" vga="-vga none"
log="" log=""
kvm="" kvm=""
cpu="Broadwell,+pdpe1gb" cpu_features=",+pdpe1gb,+invtsc,+hypervisor,+x2apic,+xsavec,+xsaves,+xsaveopt"
cpu="Broadwell"
smp=4 smp=4
while true; do while true; do
@@ -42,7 +43,7 @@ while true; do
;; ;;
-k | --kvm) -k | --kvm)
kvm="-enable-kvm" kvm="-enable-kvm"
cpu="host" cpu="max"
shift shift
;; ;;
-c | --cpus) -c | --cpus)
@@ -78,7 +79,7 @@ if [[ -n $TMUX ]]; then
log_width=100 log_width=100
gdb_width=$(($cols - 2 * $log_width)) gdb_width=$(($cols - 2 * $log_width))
debugcon_cmd="sleep 1; nc -t localhost 45455 | tee debugcon.log" debugcon_cmd="less --follow-name -r +F debugcon.log"
if (($gdb_width < 150)); then if (($gdb_width < 150)); then
stack=1 stack=1
@@ -93,9 +94,8 @@ if [[ -n $TMUX ]]; then
tmux select-pane -t .left tmux select-pane -t .left
tmux select-pane -t .right tmux select-pane -t .right
fi fi
else else
tmux split-window -h -l 100 "sleep 1; telnet localhost 45455" tmux split-window -h -l 100 "less --follow-name -r +F debugcon.log"
tmux last-pane tmux last-pane
tmux split-window -l 10 "sleep 1; telnet localhost 45454" tmux split-window -l 10 "sleep 1; telnet localhost 45454"
fi fi
@@ -111,12 +111,12 @@ qemu-system-x86_64 \
-drive "if=pflash,format=raw,readonly,file=${assets}/ovmf/x64/ovmf_code.fd" \ -drive "if=pflash,format=raw,readonly,file=${assets}/ovmf/x64/ovmf_code.fd" \
-drive "if=pflash,format=raw,file=${build}/ovmf_vars.fd" \ -drive "if=pflash,format=raw,file=${build}/ovmf_vars.fd" \
-drive "format=raw,file=${build}/jsix.img" \ -drive "format=raw,file=${build}/jsix.img" \
-chardev socket,host=localhost,port=45455,server,nowait,telnet=on,id=jsix_debug -device isa-debugcon,iobase=0x6600,chardev=jsix_debug \ -chardev file,path=debugcon.log,id=jsix_debug -device isa-debugcon,iobase=0x6600,chardev=jsix_debug \
-monitor telnet:localhost:45454,server,nowait \ -monitor telnet:localhost:45454,server,nowait \
-serial stdio \ -serial stdio \
-smp "${smp}" \ -smp "${smp}" \
-m 4096 \ -m 4096 \
-cpu "${cpu}" \ -cpu "${cpu}${cpu_features}" \
-M q35 \ -M q35 \
-no-reboot \ -no-reboot \
-name jsix \ -name jsix \