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bb69d6b713
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Update how syscalls accept arguments in registers, change how syscalls are defined in common.c and common.h
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2022-04-08 18:00:56 +01:00 |
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7e5f20ef66
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Added sleep syscall
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2022-04-08 02:01:25 +01:00 |
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c2f857fc88
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Removed extra directories
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2022-04-08 00:49:26 +01:00 |
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edd6e82c2c
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Remove old boot_stage2 directory
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2022-04-06 20:59:33 +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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ed34174d68
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Rename boot_stage2 to bootstage2
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2022-03-04 20:25:17 +00:00 |
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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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5c05866d5d
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Added kill syscall
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2022-02-14 14:37:48 +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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2bbc81955d
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Updated program linker scripts to have link beginning at 0x20 rather than 0x8020. Program binary is now the first thing allocated.
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2022-01-19 12:19:52 +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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fc2c73225b
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Updated ISR code to properly handle interrupts with error codes. Fixed bug where page faults would clobber the kernel stack
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2022-01-09 12:10:57 +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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aba8a0a8c9
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Updated boot_stage2.ld
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2021-12-17 14:00:17 +00:00 |
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3d3b4fe884
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Improved Makefile
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2021-12-17 13:59:50 +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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ca131c71e8
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Updated hello.c to print the program's PID. Add getPID syscall.
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2021-12-08 18:48:24 +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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cd56b924e1
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Correctly mark 0x8a000 + 0x6000 as unavailable, mark the vm_bitmap area as unavailable. Fixed a few comments.
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2021-12-07 22:04:21 +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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b7566ef777
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Fixed major bug in hashtable.h that caused the hashtable to not actually store any data
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2021-12-01 17:05:17 +00:00 |
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b879ae1e92
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Updated world.c to now take user input and print it back to the user when they press enter
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2021-11-29 10:11:46 +00:00 |
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945bd8c2fa
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Fixed bug in idt.cpp where context_switch would clobber eax
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2021-11-29 09:15:23 +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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bfa648d96b
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Moved syscall related code to common. Add hello.c and world.c in preparation for testing pre-emptive multitasking
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2021-11-27 13:10:20 +00:00 |
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c84a3ffdea
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Add XnoeOS's first non-kernel program. Test systemcalls
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2021-11-27 02:32:43 +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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15ca13a985
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Update atapio.cpp to use new rather than dumb_alloc, add file_size
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2021-11-27 02:31:23 +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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b79ae4ec95
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Updated Hashtable to use xnoe::Maybe, fixed many bugs within hashtable, updated hash
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2021-11-21 16:40:16 +00:00 |
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f581e6b6fe
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Completely overhauled how GDT is defined to make it much easier to add more entries to the GDT in the future
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2021-11-21 16:39:31 +00:00 |
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760069bbb9
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Updated Makefile to allow debugging. Update gitignore.
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2021-11-12 00:51:45 +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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0f5e080e15
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Reorganised some code. Moved new/delete out of process
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2021-11-11 21:52:51 +00:00 |
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e06d98b22a
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Add teminal. Update strings. Update screenstuff.
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2021-11-11 20:47:08 +00:00 |
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ea62dcddfa
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Update README. Remove debug code.
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2021-11-10 22:44:22 +00:00 |
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c10c3690a5
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A huge amount of changes and additions. Added xnoe::Maybe, fixed xnoe::linkedlist and xnoe::linkedlistelem, fixed bug in Allocator::deallocate, update Process::allocate, implement Process::deallocate, fix operator delete, add Global namespace and Global::allocator, update new, delete, new\[\] and delete\[\], add AllocTracker, etc. Allocations now work how I want them to :D
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2021-11-10 18:31:00 +00:00 |
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4a271865e0
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Update data types. Update Makefile. Update kernel. Implement Process::allocate.
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2021-10-28 14:14:36 +01:00 |
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768ceddef0
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Add hash. Add hashtable. Add linkedlist. Separate Process. Begin work on Process. Update memory. Update tuple. Update Makefile.
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2021-10-27 23:21:37 +01:00 |
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b4375d1269
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Initial version of Allocator complete. Added new, delete, new\[\] and delete\[\]. Preparations for Process and Kernel made
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2021-10-25 20:59:49 +01:00 |
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e6e156e255
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Implement Allocator. Add virtual page map. Fix PageMap class.
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2021-10-25 16:29:53 +01:00 |
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f2e09e98a7
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Started work on Allocator class. Update PageMap
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2021-10-25 01:13:29 +01:00 |
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9c887a3a50
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Began the process of moving XnoeOS to using more OOP constructs. Added PageDirectory class. Added PageTable class. Added tuple data type. Added beginnings of the skeleton for Allocator and Process.
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2021-10-23 01:34:54 +01:00 |
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2a68860bef
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Made kernel C++ now
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2021-10-21 23:19:36 +01:00 |
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cd8bd42ebb
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Kernel now handles page faults.
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2021-10-21 22:06:27 +01:00 |
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