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platform: move I/O port driver into platform abstraction #463

Merged
merged 2 commits into from
Oct 15, 2024
Merged

platform: move I/O port driver into platform abstraction #463

merged 2 commits into from
Oct 15, 2024

Commits on Oct 2, 2024

  1. platform: move I/O port driver into platform abstraction 

    The `SVSMIOPort` and `NativeIOPort` objects are platform-specific, and
thus they should be implemented in the platform abstraction instead of
in common code.  Furthermore, the console serial port object is common
and need not be duplicated in every platform abstraction.

Signed-off-by: Jon Lange <[email protected]>
    @msft-jlange
    msft-jlange committed Oct 2, 2024
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  2. kernel: fix test-in-svsm use of the test serial port 

    The test serial port must use the same platform abstraction as the rest
of the I/O port abstraction.  Since serial port construction is now
platform-specific, the construction is moved to the first use of the
test serial port.  The serial port cell is changed to an `Option` to
simplify the synchronization of the dynamic initialization across
consumers.

Also, for better abstraction, the operation to obtain the test serial
port doesn't emit a byte; it simply returns the port so the caller can
write whatever it wants.

Signed-off-by: Jon Lange <[email protected]>
    @msft-jlange
    msft-jlange committed Oct 2, 2024
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