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2d1e11d865
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new string.h implementation & tests
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2024-08-09 12:34:46 -05:00 |
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3e30c10d55
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update text
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2024-07-31 21:23:15 -05:00 |
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a7081942aa
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plan!
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2024-07-31 21:18:45 -05:00 |
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26fc668d74
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kbd stuff needs volatile, start structure changes
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2024-07-31 21:03:29 -05:00 |
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56152c6d20
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some fixes
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2024-07-31 20:02:36 -05:00 |
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Lucia Ceionia
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5fa8e0efa3
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add emulator demo
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2023-10-29 19:37:03 -05:00 |
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Lucia Ceionia
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e688617286
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Support for multiple volumes, filesystem detection (currently FAT)
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2023-02-17 06:21:43 -06:00 |
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Lucia Ceionia
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d0a5eb4c6f
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Usermode now loads at 0x800000, Virtual 8086 loads consistent DS&ES for data access
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2023-02-17 01:41:30 -06:00 |
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Lucia Ceionia
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5fe565b6f7
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Filesystem now uses an abstract representation
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2023-02-14 23:48:11 -06:00 |
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Lucia Ceionia
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1b2184fe52
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Kernel now is loaded from a partition, allowing a separate MBR bootloader if desired
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2023-02-13 18:23:33 -06:00 |
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Lucia Ceionia
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e9c4e993f4
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Lots of little things, Changed test output, Usermode test build
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2023-02-12 00:42:14 -06:00 |
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Lucia Ceionia
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36e66600f5
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Can view large count directories, Names trimmed in viewers
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2023-02-10 22:17:03 -06:00 |
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Lucia Ceionia
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0953fe31ec
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Improved Linker script & Makefile
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2023-02-10 19:20:17 -06:00 |
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Lucia Ceionia
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cec3b93c83
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File Selector uses a very simple double buffer
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2023-02-10 04:45:47 -06:00 |
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Lucia Ceionia
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168816cb1e
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More fun color :3
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2023-02-10 04:24:29 -06:00 |
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Lucia Ceionia
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1ac79d005b
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Can return from fun recovery :3
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2023-02-10 03:57:44 -06:00 |
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Lucia Ceionia
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8c5247c317
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Hex editor has separate BSS, Converted some consts to defines
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2023-02-10 03:42:53 -06:00 |
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Lucia Ceionia
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d1024d7793
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Disk does very basic read caching
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2023-02-10 01:06:42 -06:00 |
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Lucia Ceionia
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89c0f95219
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Hex viewer is now a hex editor!
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2023-02-09 23:32:51 -06:00 |
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Lucia Ceionia
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094e278212
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Moved INT 13H disk operations outside DOSFS driver
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2023-02-09 13:19:50 -06:00 |
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Lucia Ceionia
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c7b69675bb
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Can navigate directories
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2023-02-08 12:48:01 -06:00 |
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Lucia Ceionia
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7799813a30
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Check for CMOV support on boot
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2023-02-08 11:38:35 -06:00 |
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Lucia Ceionia
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6a4c1908bb
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Preliminary support for CHS disks.
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2023-02-08 10:33:49 -06:00 |
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Lucia Ceionia
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d1f1bfa974
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Program loader sets text mode on exit.
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2023-02-08 03:41:13 -06:00 |
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Lucia Ceionia
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de2edf1404
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Improved fault handling
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2023-02-07 23:53:13 -06:00 |
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Lucia Ceionia
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7f0a94352d
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Added example disk, Made some minor changes to error output
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2023-02-07 18:52:17 -06:00 |
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Lucia Ceionia
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0e3ae9c4e3
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Can create usermode children, Can load programs from disk
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2023-02-06 05:49:03 -06:00 |
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Lucia Ceionia
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6e66cb9bbe
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Can pass args to child via varargs
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2023-02-06 03:55:13 -06:00 |
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Lucia Ceionia
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5729c6c893
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Can spawn a child task in C, Fault handler can return to previous
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2023-02-06 03:07:15 -06:00 |
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Lucia Ceionia
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b41d65bfce
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Lots of general cleanup, Call to specified V86 int (from Kernel and Usermode)
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2023-02-06 02:27:33 -06:00 |
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Lucia Ceionia
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d63430bb4d
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Bootloader can load more from disk, Text file viewer added
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2023-02-06 00:01:48 -06:00 |
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Lucia Ceionia
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d0fbc7df56
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Added enum for scancodes, More control in hex viewer, hex viewer can switch between 25/50 lines
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2023-02-05 19:57:06 -06:00 |
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Lucia Ceionia
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7107c0ef8b
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Fixed the hex viewer formatting lol
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2023-02-04 20:09:42 -06:00 |
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Lucia Ceionia
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ddadeed70c
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Added a hex viewer, Fixed a bug in dosfs
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2023-02-04 18:51:09 -06:00 |
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Lucia Ceionia
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964cbcd68d
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Added a file selection screen (that does nothing), Moved tests to their own file, Fixed a race condition with the keyboard handler
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2023-02-02 21:40:39 -06:00 |
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Lucia Ceionia
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2114741766
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Might? have fixed one race condition bug. Still crashing for unknown reasons on my laptop rarely
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2023-02-02 18:15:14 -06:00 |
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Lucia Ceionia
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750b1edc16
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Register arguments can be passed to v86 code
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2023-02-02 14:52:26 -06:00 |
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Lucia Ceionia
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7937de6ef0
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Added fun fault recovery :3 (I think I spotted a race condition in exception handling during testing, but whatever, that can wait)
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2023-02-02 01:44:35 -06:00 |
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Lucia Ceionia
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ce771b19bb
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Fixed small mistake in last commit
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2023-02-02 01:34:49 -06:00 |
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Lucia Ceionia
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02f03d2224
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Usermode can now call system functions (currently get key, gfx mode) with INT 21H, Test switch to graphics mode is done from Usermode
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2023-02-02 00:50:16 -06:00 |
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Lucia Ceionia
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679eb8cf57
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More advanced Fault handling (recovers to text mode), Keyboard handler converted to C and improved (shifting, simple get_key added)
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2023-02-01 20:42:05 -06:00 |
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Lucia Ceionia
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0faa2eb553
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Adds more fault 'hanlders', Sets A20 for some hardware, Fixes some other minor stuff
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2023-02-01 14:18:27 -06:00 |
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Lucia Ceionia
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afaf5e1a03
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Implemented Paging! Moved Kernel to 0x100000, Moved TSS above 1M, Moved V86 to 0x8000, Moved Usermode test to 0x400000, Moved lots of things!
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2023-01-31 21:26:43 -06:00 |
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Lucia Ceionia
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43e902e83c
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Fixed disk handling
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2023-01-04 19:36:29 -06:00 |
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Lucia Ceionia
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9aa56cdce2
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Actually read the dir
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2022-09-22 10:08:56 -05:00 |
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Lucia Ceionia
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9216b3359a
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Fixed some Task stuff, added DOSFS filesystem
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2022-09-21 17:14:11 -05:00 |
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Lucia Ceionia
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6ebee28032
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Fixed problem loading null segs on real hardware
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2022-09-20 13:13:42 -05:00 |
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Lucia Ceionia
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8c309c6d9f
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Added kernel disk reading test
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2022-09-19 19:46:26 -05:00 |
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Lucia Ceionia
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606fc37e37
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'Better' task management, needs more testing
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2022-09-19 16:06:01 -05:00 |
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Lucia Ceionia
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c80a420da0
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Usermode can return to caller, ret value in EAX.
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2022-09-18 00:30:24 -05:00 |
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