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* io: add serial output through port 0x3f8 (qemu)Tianhao Wang2024-06-11
| | | | | not yet wrapped with fmt macros because I want some thing stateless. (i.e. I don't want to pass `&mut self` to write_str...).
* multiboot: basic support for multiboot infoTianhao Wang2024-06-11
| | | | | | | | well, it's not trivial to use bios function because thanks to grub + multiboot, we are already in protected mode when the startup code takes control. Also the MB info is easier to play with than BIOS (or ACPI) Signed-off-by: Tianhao Wang <shrik3@mailbox.org>
* remove plugbox moduleTianhao Wang2024-06-11
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* PS/2 Keyboard controller: baselineTianhao Wang2024-06-11
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* make device_io a arch independent interface.Tianhao Wang2024-06-11
| | | | | In arm we will be using MMIO instead of the IO instructions. However the peripherals should use the same interface for IOs.
* basic interrupt/PIC supportTianhao Wang2024-06-11
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* formatting code, use tab identation -- before it's too lateTianhao Wang2024-01-30
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* minimal support for keyctrl, not completeTianhao Wang2023-03-24
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* usable printf, with some ptr magicTianhao Wang2023-03-15
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* a minimal working demo on bare metalTianhao Wang2023-03-10