Commit Graph

23 Commits

Author SHA1 Message Date
Ain
36f4673c91 Another attempt on disk i/o 2020-05-02 23:57:23 +02:00
Ain
b73bfbe043 Split out kernel components in kernel/ 2020-04-27 15:56:41 +02:00
Ain
2d949a01f8 Implement whacky first version for 25h disk read 2020-04-26 23:14:34 +02:00
Ain
43e5cd6379 Direct console input: Dont return non-ascii keypresses 2020-04-25 21:54:15 +02:00
Ain
da41f6b0e2 Rework early startup and fix bss memory reservation 2020-04-23 21:49:10 +02:00
Ain
4804bf28ea Place variables into area after binary 2020-04-23 21:36:20 +02:00
Ain
3619a20703 Implement some console i/o 2020-04-23 21:35:28 +02:00
Ain
bbfcd42f61 Set up interrupt table at startup directly (less code), not calling setint 2020-04-21 20:22:42 +02:00
Ain
f8788720f5 Implement int 28h: Idle callout 2020-04-20 19:21:02 +02:00
Ain
40065266f3 Implement int 29h: Fast console output 2020-04-20 19:20:43 +02:00
Ain
c5088789f9 Proof kernel against being invoked via 0x7C0:0 2020-04-19 15:14:10 +02:00
Ain
97f26c1f89 Remove stack switching, implement some syscalls 2020-04-19 00:35:31 +02:00
Ain
c1c012c5fc Make getint and setint reuse cs segment 2020-04-18 23:44:16 +02:00
Ain
4a92c4bc1e Drop MCBs as mean to manage memory 2020-04-18 22:59:46 +02:00
Ain
6c165f40c0 Create basic MCB at boot 2020-04-17 01:24:23 +02:00
Ain
70a675442a Reorder disk access and fix missing si setting 2020-04-16 23:04:06 +02:00
Ain
27e4dec580 Implement loading BPB from media 2020-04-15 23:51:07 +02:00
Ain
23ddd6b41a Implement some PoC of reading from disk 2020-04-15 00:17:58 +02:00
Ain
6b49a20865 Implement syscall subfunction jump table 2020-04-13 18:03:54 +02:00
39ef1f9a3e Implement some syscall handling 2020-04-13 13:53:21 +00:00
6ba3e0c071 Implement stack switching for dos syscall entry point 2020-04-10 15:00:26 +00:00
cb48e628db kernel stub: force large size to make sure cluster chaining works 2020-04-01 13:09:01 +00:00
955acdacba Split code up into directories for bs and com binaries 2020-03-30 12:14:47 +00:00