Andreas Kling
|
56c1f9db8e
|
A userspace process can now GPF and the OS goes on!
This is really rickety, but it kinda sorta works for my test GPF!
|
2018-10-17 23:49:32 +02:00 |
|
Andreas Kling
|
77299cf54d
|
Add basic paging. Only identity maps the bottom 4MB as a start.
|
2018-10-17 23:13:55 +02:00 |
|
Andreas Kling
|
286e27ef40
|
Allow running in QEMU with "./run q"
The kernel doesn't run in QEMU right now and I don't know why.
|
2018-10-17 16:58:35 +02:00 |
|
Andreas Kling
|
8ff394f83f
|
Fix a dumb in buffer_putch.
|
2018-10-17 16:56:47 +02:00 |
|
Andreas Kling
|
9aa88fe186
|
Add a PIC::getISR() helper.
|
2018-10-17 16:54:49 +02:00 |
|
Andreas Kling
|
e0f31d38a2
|
Add -fno-pic -fno-pie to build flags.
|
2018-10-17 16:49:30 +02:00 |
|
Andreas Kling
|
f82b25d4f9
|
Fix some minor build warnings.
|
2018-10-17 16:48:43 +02:00 |
|
Andreas Kling
|
39fa1eb2c2
|
Print the contents of motd.txt on boot.
|
2018-10-17 12:07:39 +02:00 |
|
Andreas Kling
|
705832f387
|
List the root directory after mounting /.
So cool that it works! It's spewing out a bunch of terminal escape sequences
that the OS console obviously doesn't support, but we'll get there too.
|
2018-10-17 11:47:14 +02:00 |
|
Andreas Kling
|
b05ed591ab
|
VFS mounts an ext2fs root! :^)
|
2018-10-17 11:44:06 +02:00 |
|
Andreas Kling
|
d2425495ca
|
VirtualFileSystem class builds inside Kernel.
|
2018-10-17 11:40:58 +02:00 |
|
Andreas Kling
|
9171521752
|
Integrate ext2 from VFS into Kernel.
|
2018-10-17 10:57:23 +02:00 |
|
Andreas Kling
|
aec8ab0a60
|
Add the basic character devices to kernel.
|
2018-10-16 14:33:16 +02:00 |
|
Andreas Kling
|
12e515735b
|
Add a simple IDEDiskDevice class that implements DiskDevice from VFS.
|
2018-10-16 14:17:43 +02:00 |
|
Andreas Kling
|
72bb80a9ae
|
These changes were lying around uncommitted in the old repo.
I'm just gonna commit them without too much thinking and then take
it from there.
|
2018-10-16 11:06:35 +02:00 |
|
Andreas Kling
|
87d41bdca4
|
If an interrupt comes from the slave PIC, both PICs need an EOI.
|
2018-10-16 11:05:29 +02:00 |
|
Andreas Kling
|
9396108034
|
Import the "gerbert" kernel I worked on earlier this year.
It's a lot crappier than I remembered it. It's gonna need a lot of work.
|
2018-10-16 11:02:00 +02:00 |
|