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  • e2fbc4e40b sandbox: btree: add macros to define custom btree inserter Max Wash 2023-01-26 18:30:14 +00:00
  • c35f06e191 sandbox: increase number of nodes in btree test Max Wash 2023-01-25 18:17:34 +00:00
  • 2b099142e3 sandbox: btree: fix replace_node_with_one_subtree() not updating tree root Max Wash 2023-01-24 21:35:32 +00:00
  • dbf3ad101d sandbox: btree: deletion fixup bugfix Max Wash 2023-01-24 21:26:22 +00:00
  • bf8da4dbb5 sandbox: AVL tree deletion bugfixes and testing Max Wash 2023-01-22 20:21:29 +00:00
  • cd217186a2 sandbox: btree_test() now checks that constructed tree is a valid AVL tree Max Wash 2023-01-21 21:42:54 +00:00
  • 09ce964190 sandbox: added some AVL tree insertion stress testing Max Wash 2023-01-21 17:36:37 +00:00
  • 4eba81eb09 Removed debug messages from generate_compile_commands Max Wash 2023-01-19 20:53:12 +00:00
  • 1bd9576a8d Implemented more memory manager and btree tests in sandbox Max Wash 2023-01-19 20:52:56 +00:00
  • a53edf230f AVL tree is now fixed after node is deleted Max Wash 2023-01-19 20:51:59 +00:00
  • a275ca0955 Started implementing btree deletion Max Wash 2023-01-18 19:45:58 +00:00
  • 1c0a4bc708 Implemented AVL tree insertion Max Wash 2023-01-15 08:24:51 +00:00
  • a97b2da73e Started implementing a self-balancing binary tree data structure Max Wash 2023-01-13 18:31:29 +00:00
  • a84355a063 generate_compile_commands.py can now handle different make-output path delimiters Max Wash 2023-01-10 20:59:14 +00:00
  • 18157925e7 Updated gitignore Max Wash 2023-01-10 20:54:16 +00:00
  • 39c2ee0e0f Added a memory map to sandbox memblock test Max Wash 2023-01-10 20:53:50 +00:00
  • 44cd04c57a Fixed directory change parsing in generate_compile_commands.py Max Wash 2023-01-10 20:53:07 +00:00
  • bfb0b98a80 Added more tests for memblock_alloc() Max Wash 2023-01-09 18:26:33 +00:00
  • 34faa01b8e Fixed bounded memblock iteration including negative-sized regions Max Wash 2023-01-09 18:25:35 +00:00
  • 2f6845692a Updated gitignore Max Wash 2023-01-08 14:17:36 +00:00
  • bbb09b2549 Created separate memblock functions for virtual and physical memory allocation Max Wash 2023-01-08 12:21:13 +00:00
  • 0d77d97561 memblock can now self re-allocate its internal buffers Max Wash 2023-01-08 12:13:59 +00:00
  • 02211e6eba Implemented memblock_alloc() Max Wash 2022-12-29 20:53:39 +00:00
  • d9daeae384 Fixed an arithmetic bug causing reserved memory regions at address 0x00 to be ignored Max Wash 2022-12-29 20:53:24 +00:00
  • 677661b115 Updated compiler database generator to handle multiple target executables Max Wash 2022-12-29 20:17:06 +00:00
  • 2ac3e8602f Re-factored sandbox into a single executable Max Wash 2022-12-29 19:47:25 +00:00
  • 2b59afcaf3 Started building the kernel memory manager in userspace Max Wash 2022-12-29 19:22:16 +00:00
  • 7f51b0755b Added a status field to memory regions to differentiate allocated and reserved regions Max Wash 2022-12-29 19:21:59 +00:00
  • 02b3be636b Added header containing kernel typedefs for sandbox programs Max Wash 2022-12-29 10:25:50 +00:00
  • 84efc44710 memblock region iteration can now be bounded to a certain memory range Max Wash 2022-12-29 10:19:57 +00:00
  • e922a776c3 Added stubs for the kernel memory manager Max Wash 2022-12-28 23:04:09 +00:00
  • fac31086f5 Implemented a status return type Max Wash 2022-12-28 23:03:49 +00:00
  • d0091a4df7 Implemented macros for iterating over memblock regions, including free regions Max Wash 2022-12-28 23:03:30 +00:00
  • 5a2b81c8b9 Sandbox programs are now compiled with debug symbols Max Wash 2022-12-28 18:41:50 +00:00
  • 30ffc429fc Started implementing a boot-time memory manager Max Wash 2022-12-28 18:41:04 +00:00
  • fe6b7220df Kernel is now compiled with -Wall -Werror -pedantic Max Wash 2022-12-28 18:40:41 +00:00
  • 63d4dba493 More build system adjustments Max Wash 2022-12-27 08:43:42 +00:00
  • c337d12d05 Sandbox program list is now auto-generated Max Wash 2022-12-27 08:28:05 +00:00
  • 83c7f2293c Implemented support for building host binaries to test kernel features Max Wash 2022-12-26 22:12:53 +00:00
  • 23e8e654d9 Changed jump label in gdt_load Max Wash 2022-12-24 21:11:43 +00:00
  • 0309e1edd1 Adjusted build system to make it more portable Max Wash 2022-12-24 17:42:33 +00:00
  • 26853c32c8 Implemented GDT initialisation Max Wash 2022-12-24 10:28:41 +00:00
  • 0c0830cca7 QEMU monitor is now enabled Max Wash 2022-12-24 10:28:28 +00:00
  • 62ec27e76b start_32 now maps 2GiB of virtual memory instead of 1 GiB Max Wash 2022-12-24 10:28:01 +00:00
  • a3be1de07d start_64 vga_clear now clears the screen AND resets the colour attribute bytes Max Wash 2022-12-21 08:31:11 +00:00
  • ea8d46b0f0 Removed old kernel_init() Max Wash 2022-12-21 08:30:44 +00:00
  • 43a15c2dee Boot log is now stored in the build directory Max Wash 2022-12-21 08:30:23 +00:00
  • 8475a6139e Implemented some basic libc functions and a text console Max Wash 2022-12-21 08:29:33 +00:00
  • f59d67435d Added a build rule to generate compile_commands.json Max Wash 2022-12-21 08:27:32 +00:00
  • 38202e5ccd Fixed a misnamed label in start_64 print_kernel_identifier Max Wash 2022-12-15 13:48:55 +00:00
  • 72bf6faadd Started implementing debugging facilities Max Wash 2022-12-14 21:45:24 +00:00
  • 51e065faaf Fixed some more dodgy formatting Max Wash 2022-12-14 18:44:46 +00:00
  • 48f00ba3b1 Optimised start_64 vga_clear() Max Wash 2022-12-14 18:41:41 +00:00
  • a5c6240761 Adjusted the start_64 kernel identifier message Max Wash 2022-12-14 18:40:06 +00:00
  • f9c835b9d6 Removed unused function and error message Max Wash 2022-12-14 18:33:51 +00:00
  • a94dfdc952 Reformat for 8-width tabs Max Wash 2022-12-14 18:31:27 +00:00
  • 268c063876 Updated gitignore Max Wash 2022-12-14 18:31:19 +00:00
  • 766667a6ad Finished implementing paging init and long mode switch Max Wash 2022-12-13 22:22:04 +00:00
  • 3402207602 Added build system and some core boot files Max Wash 2022-12-13 20:21:28 +00:00
  • a54e2eaabc Initial commit Max Wash 2022-12-13 20:18:46 +00:00