acpi: add support for SPCR table #216
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Add support for the Serial Port Console Redirection (SPCR). The table provides information about the configuration and use of the serial port or non-legacy UART interface.
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Apologies for the delay in getting to this PR, and thanks for the contribution! Out of interest, are you using this table for anything in a project? |
I'm writing a hobby kernel that at some point might run on ARM, and having access to this table on that platform is really convenient for serial output. |
fslongjin
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* fix: increment `processor_count` if LocalX2Apic is found Signed-off-by: Yuuki Takano <[email protected]> * fix: increment `local_nmi_line_count` if X1ApicNmi is found Signed-off-by: Yuuki Takano <[email protected]> * Add `Debug` impl for `PhysicalMapping` even when `T` is not `Debug` * Make `read_field` and friends take a mutable context This is necessary because these methods will need to invoke methods in the future. Co-authored-by: Ron Williams <[email protected]> * Invoke `_SEG`, `_BBN`, and `_ADR` as methods for PCI region accesses Co-authored-by: Ron Williams <[email protected]> * Move the `aml` crate to the 2021 Edition Easy change while we're here * Create `OpRegion` type to abstract away field manipulation Lots of the field reading/writing behaviour isn't quite correct yet, but this was getting unwieldly and spread about multiple places. Creating this abstraction will hopefully help in future. * Simplify `DefIncrement` and `DefDecrement` borrow checking For some reason, this *definitely* required an extra scope before, but doesn't seem to now... * Add test for `DefIncrement` and `DefDecrement` * Fix test utils * Add `SdtHeaderIterator` to get all headers. * fix comments * aml: add extra debug info on parsing error * AML: implement boolean field (rust-osdev#211) * AML: Allow Field in ToInteger (rebased) (rust-osdev#213) * acpi: add support for SPCR table (rust-osdev#216) Add support for the Serial Port Console Redirection (SPCR). The table provides information about the configuration and use of the serial port or non-legacy UART interface. * Add a function to find and maps the entire table. (#2) --------- Signed-off-by: Yuuki Takano <[email protected]> Co-authored-by: Yuuki Takano <[email protected]> Co-authored-by: Caleb Robson <[email protected]> Co-authored-by: Isaac Woods <[email protected]> Co-authored-by: Ron Williams <[email protected]> Co-authored-by: rw-vanc <[email protected]> Co-authored-by: Carlos López <[email protected]>
IsaacWoods
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Jan 30, 2025
Add support for the Serial Port Console Redirection (SPCR). The table provides information about the configuration and use of the serial port or non-legacy UART interface.
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Add support for the Serial Port Console Redirection (SPCR). The table provides information about the configuration and use of the serial port or non-legacy UART interface.
For more information, see:
https://learn.microsoft.com/en-us/windows-hardware/drivers/serports/serial-port-console-redirection-table