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The setting of scan code set sequence is removed, as it's buggy and
could lead the controller to fail immediately when doing self-test
afterwards. We will restore it when we understand how to do so safely.
Allow the user to determine a preferred detection path with a new kernel
command line argument. The defualt option is to check i8042 presence
with an ACPI check and if necessary - an "aggressive" test to determine
i8042 existence in the system.
Also, keep the i8042 controller pointer on the stack, so don't assign
m_i8042_controller member pointer if it does not exist.
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Instead of letting the user to determine whether framebuffer devices
will be created (which is useless because they are gone by now), let's
simplify the flow by allowing the user to choose between full, limited
or disabled functionality. The determination happens only once, so, if
the user decided to disable graphics support, the initialize method
exits immediately. If limited functionality is chosen, then a generic
DisplayConnector is initialized with the preset framebuffer resolution,
if present, and then the initialize method exits. As a default, the code
proceeds to initialize all drivers as usual.
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This parameter can be used to disable the KASLR mechanism.
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This aid debugging on bare metal when we suspect that the boot console
does something wrong that interferes with other kernel components.
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This change allow the user to request the kernel to not use any PCI
resources/devices at all.
Also, don't try to initialize devices that rely on PCI if disabled.
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As we don't currently support MSI(X) interrupts, it could be an issue
to boot on some newer hardware. NVMe devices support polling mode
where the driver actively polls for completion instead of waiting for
an interrupt.
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- `controller` is now called `controllers`
- `complete` is now called `aggressive`
- `none` is no longer a recognized value
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By default, we disable the PC speaker as it's quite annoying when using
the text mode console.
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The URLs of the form `help://man/<section>/<page>` link to another help
page inside the help application. All previous relative page links are
replaced by this new form. This doesn't change any behavior but it looks
much nicer :^)
Note that man doesn't handle these new links, but the previous relative
links didn't work either.
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This allows forcing the use of only the framebuffer set up by the
bootloader and skips instantiating devices for any other graphics
cards that may be present.
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The document describes the implications of enabling and disabling that
option on the ability to enable SMP mode, and describes the requirements
for enabling IOAPIC mode even without enabling SMP mode.
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'bootmode' now only controls which set of services are started by
SystemServer, so it is more appropriate to rename it to system_mode, and
no longer validate it in the Kernel.
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Bootmode used to control panic behavior and SystemServer.
This patch factors panic behavior control into a separate flag.
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Bootmode used to control framebuffers, panic behavior, and SystemServer.
This patch factors framebuffer control into a separate flag.
Note that the combination 'bootmode=self-test fbdev=on' leads to
unexpected behavior, which can only be fixed in a later commit.
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This option was removed and can't be used anymore.
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