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[kernel] Conditionally add an isa-debugcon output to logger

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There have been a number of incidents lately where I've needed to see
logs but have been working on init, and broken the log output of
srv.logger. This commit adds a debug console output to io port 0x6600
if enabled at the top of logger.cpp.
This commit is contained in:
Justin C. Miller
2023-02-06 20:53:47 -08:00
parent 9297017688
commit 6a6b75b418
3 changed files with 36 additions and 4 deletions
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4
qemu.sh
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@@ -75,7 +75,7 @@ if [[ -n $TMUX ]]; then
if [[ -n $debug ]]; then
tmux split-window -h "gdb ${debugtarget}" &
else
tmux split-window -h -l 80 "sleep 1; telnet localhost 45455" &
tmux split-window -h -l 100 "sleep 1; telnet localhost 45455" &
tmux last-pane
tmux split-window -l 10 "sleep 1; telnet localhost 45454" &
fi
@@ -91,9 +91,9 @@ qemu-system-x86_64 \
-drive "if=pflash,format=raw,readonly,file=${assets}/ovmf/x64/ovmf_code.fd" \
-drive "if=pflash,format=raw,file=${build}/ovmf_vars.fd" \
-drive "format=raw,file=${build}/jsix.img" \
-chardev socket,host=localhost,port=45455,server,nowait,telnet=on,id=jsix_debug -device isa-debugcon,iobase=0x6600,chardev=jsix_debug \
-monitor telnet:localhost:45454,server,nowait \
-serial stdio \
-serial telnet:localhost:45455,server,nowait \
-smp "${smp}" \
-m 4096 \
-cpu "${cpu}" \