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Kernel: Add CommandLine option to disable or enable the PC speaker

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By default, we disable the PC speaker as it's quite annoying when using
the text mode console.
This commit is contained in:
Liav A 2022-01-22 12:29:55 +02:00 • committed by Linus Groh
parent 8dbbef9b5c
commit 69f054616d
5 changed files with 19 additions and 0 deletions
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10
Kernel/CommandLine.cpp
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@ -155,6 +155,16 @@ UNMAP_AFTER_INIT bool CommandLine::is_legacy_time_enabled() const
return lookup("time"sv).value_or("modern"sv) == "legacy"sv;
}
bool CommandLine::is_pc_speaker_enabled() const
{
auto value = lookup("pcspeaker"sv).value_or("off"sv);
if (value == "on"sv)
return true;
if (value == "off"sv)
return false;
PANIC("Unknown pcspeaker setting: {}", value);
}
UNMAP_AFTER_INIT bool CommandLine::is_force_pio() const
{
return contains("force_pio"sv);