 Drew Galbraith
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496dfeaef9
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Update the timer to a more reasonable time slice of 50ms
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2023-05-29 22:17:56 -07:00 |
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Drew Galbraith
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629dca278b
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Enable the PIC and add a timer.
This causes a GP fault after the timer runs for some time.
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2023-05-29 21:52:01 -07:00 |
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Drew Galbraith
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aefb4f082b
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Add a kernel ELF module and load it in a new process.
Don't yet jump to userspace.
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2023-05-29 00:32:54 -07:00 |
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Drew Galbraith
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f86bbe6ea9
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Wireframe for syscalls in place
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2023-05-18 16:03:09 -07:00 |
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Drew Galbraith
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d3024211a7
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Cycle through multiple tasks in multiple processes
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2023-05-18 13:56:54 -07:00 |
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Drew Galbraith
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0d275c72a1
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Have processes enqueue their own threads
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2023-05-18 13:28:22 -07:00 |
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Drew Galbraith
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cb41953354
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Scheduler with working threads.
Currently only one process but it is a start.
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2023-05-18 13:24:02 -07:00 |
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Drew Galbraith
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960cbf9519
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Add Scheduler wireframe.
Right now does nothing but has containing classes for process and thread
information.
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2023-05-18 12:43:53 -07:00 |
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Drew Galbraith
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fa2bb4df89
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Added a PhysicalMemoryManager class.
Stores a linkedlist of free blocks of PhysicalMemory.
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2023-05-18 11:34:45 -07:00 |
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Drew Galbraith
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2d719d0443
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Add a bootstrap physical memory manager.
This will allow the real physical memory manager to use allocations.
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2023-05-18 11:00:05 -07:00 |
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Drew Galbraith
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0b7e667368
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Add a basic kernel heap object.
Currently allocation always fails because we don't
have a way to allocate a physical page.
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2023-05-18 10:59:39 -07:00 |
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Drew Galbraith
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45b5817a36
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Recursively map the PML4
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2023-05-18 02:00:01 -07:00 |
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Drew Galbraith
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b3f8cb9003
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Dump the memory map from limine.
Also adds the ability to print formatted messages.
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2023-05-18 01:16:53 -07:00 |
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Drew Galbraith
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9fc1aa15ef
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Add an interrupt descriptor table.
Set up a very basic handler for divide by zero and
general protection faults.
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2023-05-17 22:54:37 -07:00 |
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Drew Galbraith
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03fe4d8c2e
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Load our own GDT.
Replace the GDT from limine with our own.
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2023-05-17 21:41:08 -07:00 |
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Drew Galbraith
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872e6f3392
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Add a debug output utility.
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2023-05-17 20:42:59 -07:00 |
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Drew Galbraith
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91b52f1872
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Move IO Port Function to a separate file
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2023-05-17 20:26:51 -07:00 |
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Drew Galbraith
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e9705f7579
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Barebones Kernel Commit
Uses limine to boot off of a disk.
Outputs a character to the debug port.
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2023-05-17 20:20:53 -07:00 |