Commit Graph

17 Commits

Author SHA1 Message Date
Lucia Ceionia
02f03d2224 Usermode can now call system functions (currently get key, gfx mode) with INT 21H, Test switch to graphics mode is done from Usermode 2023-02-02 00:50:16 -06:00
Lucia Ceionia
679eb8cf57 More advanced Fault handling (recovers to text mode), Keyboard handler converted to C and improved (shifting, simple get_key added) 2023-02-01 20:42:05 -06:00
Lucia Ceionia
0faa2eb553 Adds more fault 'hanlders', Sets A20 for some hardware, Fixes some other minor stuff 2023-02-01 14:18:27 -06:00
Lucia Ceionia
afaf5e1a03 Implemented Paging! Moved Kernel to 0x100000, Moved TSS above 1M, Moved V86 to 0x8000, Moved Usermode test to 0x400000, Moved lots of things! 2023-01-31 21:26:43 -06:00
Lucia Ceionia
43e902e83c Fixed disk handling 2023-01-04 19:36:29 -06:00
Lucia Ceionia
9aa56cdce2 Actually read the dir 2022-09-22 10:08:56 -05:00
Lucia Ceionia
9216b3359a Fixed some Task stuff, added DOSFS filesystem 2022-09-21 17:14:11 -05:00
Lucia Ceionia
6ebee28032 Fixed problem loading null segs on real hardware 2022-09-20 13:13:42 -05:00
Lucia Ceionia
8c309c6d9f Added kernel disk reading test 2022-09-19 19:46:26 -05:00
Lucia Ceionia
606fc37e37 'Better' task management, needs more testing 2022-09-19 16:06:01 -05:00
Lucia Ceionia
c80a420da0 Usermode can return to caller, ret value in EAX. 2022-09-18 00:30:24 -05:00
Lucia Ceionia
1545a9a790 V86 returns to caller 2022-09-17 16:31:41 -05:00
Lucia Ceionia
8bfcd4fd19 GPT handler detects V86 mode; Interrupt printing fixes 2022-09-16 17:07:27 -05:00
Lucia Ceionia
192d4f04ed Fixed & Improved Makefile, Made V86 GPF handler not directly dereference
a null pointer - due to optimization breaking.
2022-09-16 15:50:58 -05:00
Lucia Ceionia
880118e7b4 Refactored into multiple files 2022-09-14 21:54:59 -05:00
Lucia Ceionia
0fa405dd98 real initial commit 2022-09-14 16:50:44 -05:00
Lucia Ceionia
cf7710ad25 Initial commit 2022-09-14 20:53:05 +00:00