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* mm: add stack based PMATianhao Wang2024-06-11
| | | | | | | use 8MiB reserved array to manage up to 4GiB of physical memory (4K Pages only) Signed-off-by: Tianhao Wang <shrik3@mailbox.org>
* 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>
* choreTianhao Wang2024-06-11
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* doc: notes on x86 gdt and segmentationTianhao Wang2024-06-11
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* choreTianhao Wang2024-06-11
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* startup: define multiboot headers in linker scriptTianhao Wang2024-06-11
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* startup: flatten control flowTianhao Wang2024-06-11
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* interrupt: add rust binding for idtTianhao Wang2024-06-11
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* split idt and vectors from startup codeTianhao Wang2024-06-11
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* choreTianhao Wang2024-06-11
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* interrupt: rename `guardian` to `interrupt_gate`Tianhao Wang2024-06-11
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* pic: initialize with rust codeTianhao Wang2024-06-11
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* cgascr: init cursor in rust codeTianhao Wang2024-06-11
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* re-organize codeTianhao Wang2024-06-11