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5a70976f5d
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Various additions
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2024-04-14 00:50:21 +01:00 |
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f3b1bfc5ef
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Added VFS, updated DevFS, Added SysFS
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2022-06-18 15:41:32 +01:00 |
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fdb77277a7
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Renamed Maybe to maybe. Moved tracking of filehandlers to be per-process rather than global. Various improvements to code.
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2022-06-18 11:42:09 +01:00 |
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da5fc52afe
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Updated the KernelInformationStruct, added BGA (Bochs Graphics Extensions) mode termimal, added new system calls to get terminal width. Updated world.bin to calculate sizes. Fixed a bug where GetExhaustive would crash when given a completely null path. Started work on V86 for VBE support.
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2022-05-16 09:57:09 +01:00 |
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dc2fe698a3
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Added oneshot timer functionality. Added sleep function. Added proper tracking of physical pages allocated. Made the 0th page invalid. Fixed a 4KiB memory leak when destroying processes. Fixed scrolling colour in terminal.cpp
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2022-04-15 16:15:51 +01:00 |
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0fc40ad5e4
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Add system calls for more file system related functionality. Add ls command to world.c. Remove and reorganise certain source code files. Update terminal to no longer have two copies of ANSI escape code handling between write and printf. Massively simplify my printf function. Combine io and ioports.
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2022-04-12 03:42:13 +01:00 |
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a0d0454e32
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Moved to a new Filesystem, ATA and FAT16 driver.
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2022-04-06 14:46:47 +01:00 |
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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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