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232e333a62
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Added VGA Mode Terminal. Updated context_switch and isr.S.base to perform the actual context switch during catchall_return. Program the PIT properly. Implemented timed events. Updated process.cpp. Added a font. Fixed bug in CircularRWBuffer.
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2022-02-20 11:30:39 +00:00 |
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2f2a7a3e45
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Added file reading via filehandlers. Added support for directories. Processes are now created using filehandlers.
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2022-01-19 16:51:37 +00:00 |
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73c0fe429f
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Add ability for other processes to bind to eachother's stdin and stdout. Add PoC for this functionality
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2022-01-17 19:43:13 +00:00 |
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55a5bea35a
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Update keyboard driver, add start of file handlers, stdio.
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2022-01-13 13:36:24 +00:00 |
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2825c1ff5e
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Move to own ISR solution rather than using GCC ISRs. Lots of changes to accomodate that.
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2021-12-17 14:00:52 +00:00 |
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57768784a6
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Fixed context_switch's handling of the processes linked list, update idt.cpp to add getPID syscall, update memory.cpp to fix but where find_next_available_from would incorrectly return invalid memory locations
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2021-12-08 18:49:25 +00:00 |
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02e0bcd70e
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Finalise mvoe to Ring 3, add separate kernel stacks for each process, correctly switch between those kernel stacks within context_switch, etc
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2021-12-07 22:04:53 +00:00 |
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2ecc53ee91
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Moved processes to be in ring 3
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2021-12-02 19:36:52 +00:00 |
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a9ec673b24
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Implemented necessary changes for Process destruction. Processes clean up their memory when deleted.
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2021-12-01 17:05:46 +00:00 |
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5d4454e57a
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Remove debug code from terminal.cpp. Update kmain, update world.c, update process.cpp to construct the initial value of EBP correctly.
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2021-11-27 15:56:35 +00:00 |
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d6c1cc1869
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Fix bug in terminal.cpp where it would use incorrect pointers in scroll_up, removed old debug code from kmain.cpp, kernel.cpp no longer appends itself to the process list, update process.cpp to take a filename when constructing a new process. Update idt.cpp to plug context_switch in to int 0x20 (IRQ0)
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2021-11-27 13:11:44 +00:00 |
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0bb88e4da8
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Add system calls, update keybaord, add Terminal* field to kernel. Update process.cpp to load a program called program.bin from disk rather than hardcoding data
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2021-11-27 02:32:28 +00:00 |
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ed67adc9c9
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Updated kernel to now have its stack past 0xc0000000. Implemented context switching.
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2021-11-26 20:20:15 +00:00 |
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2dd799b406
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Preparations towards context switching
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2021-11-21 16:56:50 +00:00 |
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bfa3f3030f
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Initial work on dynamically creating Processes in preparation for implementing context switching
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2021-11-12 00:30:10 +00:00 |
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01fef9d947
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Rename kernel.cpp to kmain.cpp, update Makefile and kernel.ld
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2021-11-11 21:55:04 +00:00 |
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