Bananymous
3750d29b2b
Kernel: Fix possible out-of-bounds disk access in ext2
2023-09-08 02:42:53 +03:00
Bananymous
e75522a005
BuildSystem: Cleanup disk image creation
2023-09-08 02:41:39 +03:00
Bananymous
5972c73950
LibC: fix fread implementation
...
fread() should read until either size*nitems bytes are read or eof
is reached.
2023-09-07 16:00:47 +03:00
Bananymous
41757b5f6c
Shell: Clean exit on ^D and use getchar()
...
Use getchar() instead of fread(&ch, 1, sizeof(char), stdin). This
is much cleaner.
2023-09-07 15:51:05 +03:00
Bananymous
c33c7f8b3b
Init: use read instead of fread()
...
This allows actually correct behaviour. My fread implementation is
flawed. It should not return on '\n'
2023-09-07 15:47:59 +03:00
Bananymous
4648f6718e
Kernel: Cleanup TTY::read()
2023-09-07 15:27:21 +03:00
Bananymous
b30af0edca
Kernel: TTY now reads input byte by byte
...
This allows correct behaviour for character streams / keyboard
handling. Serial input can now send working ^C :D
2023-09-07 15:06:27 +03:00
Bananymous
5e1725abb2
Kernel: Remove bitmap debug printing from ext2 inode allocation
2023-09-06 01:25:09 +03:00
Bananymous
6ad2f23259
Kernel: Correct inode links count
2023-09-05 14:46:56 +03:00
Bananymous
0d725f68e3
Snake render grid lines without extra space after last '#'
2023-09-05 14:35:53 +03:00
Bananymous
0770ba0936
BuildSystem: Don't set permissions on image creation
...
This is already handled by *new* tar ball sysroot
2023-09-05 14:35:53 +03:00
Bananymous
c13b5aecfe
Snake: Reorder apple generation/snake body update
...
If new apple was generated to heads previous position after update,
it would not render.
2023-09-05 14:30:30 +03:00
Bananymous
3892579049
Base: Add grub entries for serial-only boot
...
We can now fully boot with serial input and output :)
Qemu can be run with -nographic flag
2023-09-05 01:07:52 +03:00
Bananymous
ba7e1b9ca5
Kernel: Add /dev/tty symlink that targets the current tty
2023-09-05 01:07:52 +03:00
Bananymous
f0772e385c
Kernel: Implement basic RamSymlinkInode
2023-09-05 01:07:52 +03:00
Bananymous
3fd94b1acb
Kernel: You can now read serial output from the /dev/ttyS*
2023-09-05 01:07:52 +03:00
Bananymous
93c5755012
Kernel: Receive interrupts for COM1 and COM2 input
...
The input has to still be attached to terminal
2023-09-04 22:07:40 +03:00
Bananymous
323de3c866
Kernel: Rework whole Terminal structure
...
Serial monitors can now be used as a output. This requires editing
init code for the stdio opening. Serial input is not supported, so qemu
still needs graphical window for ps/2 keyboard.
2023-09-04 19:34:18 +03:00
Bananymous
52b9fddfd7
Kernel: Make serial devices to their own class
2023-09-04 14:57:05 +03:00
Bananymous
e4041ce5ec
Userspace: Implement basic snake game :)
2023-09-04 14:30:45 +03:00
Bananymous
04cfbca336
Kernel: Add ANSI support for hiding/showing cursor to TTY
2023-09-04 14:30:09 +03:00
Bananymous
7184514b5d
LibC: add time() implementation
2023-09-04 13:52:58 +03:00
Bananymous
dfb18d38f7
LibC: Add rand() and srand() implementation
...
This code is from the wikipedia page for Permuted congruential generator
2023-09-04 13:52:13 +03:00
Bananymous
9901f95d78
Kernel: Add basic nanosleep, only millisecond percision
2023-09-04 12:59:50 +03:00
Bananymous
b2139c0b1e
Kernel: Add basic support for O_NONBLOCK (only for tty)
2023-09-04 12:57:52 +03:00
Bananymous
6f002c926a
Kernel: add basic fcntl() with couple of commands and no validation
2023-09-04 12:57:09 +03:00
Bananymous
a711462ef4
Kernel: Split ext2 implementation to multiple files
2023-09-01 15:10:23 +03:00
Bananymous
f31c6b847f
Kernel: Start work on writable ext2 filesystem
2023-08-31 23:40:31 +03:00
Bananymous
195ccf4f53
Kernel: Add missing ififo() to Inode::Mode
2023-08-31 21:38:31 +03:00
Bananymous
5786ffe7d2
BuildSystem: Add cmake target to validate main partition
2023-08-31 21:37:30 +03:00
Bananymous
073edd0b8e
Kernel: Stack trace dumping validates pointers before using them
2023-08-31 21:36:23 +03:00
Bananymous
2c136dae2d
Update README.md
2023-08-31 17:54:12 +03:00
Bananymous
250789aa20
Kernel: better handle kernel errors
2023-08-29 00:13:21 +03:00
Bananymous
8032824054
BuildSystem: use -a with rsync
...
This allows cmake to not rebuild whole project every time
2023-08-28 11:38:17 +03:00
Bananymous
7aaea786c2
LibC: Don't undef needed values in inttypes.h
2023-08-24 15:48:14 +03:00
Bananymous
ce8e8e68f4
BuildSystem: Add USES_TERMINAL when preparing sysroot
...
You were not able to enter sudo password on sysroot unpacking,
which caused ninja to hang
2023-08-23 20:48:40 +03:00
Bananymous
80e7a89f67
BuildSystem: Base sysroot is now distributed as a tar ball
...
This allows file and directory permissions work as intended.
cmake is now filled with 'sudo' but with sudo timeout this should be
fine.
2023-08-23 10:38:21 +03:00
Bananymous
b780df8be0
Shell: hostname is not parsed from /etc/hostname
2023-08-23 10:38:21 +03:00
Bananymous
c4210b5810
Shell: use process groups more properly
2023-08-22 14:54:50 +03:00
Bananymous
38e72019c7
Kernel: kill() with negative pid actually matches pgid
2023-08-22 14:54:15 +03:00
Bananymous
d745fca86a
Kernel: Process keeps track if forked process has called exec*()
2023-08-22 14:53:46 +03:00
Bananymous
60a2185ee6
Kernel/LibC: implement proper getpgid and setpgid
2023-08-22 14:53:12 +03:00
Bananymous
d634fec8dc
Kernel: Add function to enumerate processes in session
2023-08-22 14:52:28 +03:00
Bananymous
e33bf62bba
BAN: increase function size to 5 * sizeof(void*)
2023-08-22 14:52:03 +03:00
Bananymous
2dcd4ed131
Shell/init: We now use pgrp instead of pid and init open terminal
2023-08-22 11:37:04 +03:00
Bananymous
c9243f0d1e
Kernel/LibC: Add {get,set}pgrp()
2023-08-22 11:36:33 +03:00
Bananymous
0f6c19a1b7
Kernel: Barebones implementation sessions and process groups
2023-08-22 11:35:40 +03:00
Bananymous
642929f071
BAN: Add enum class Iteration for for_each loops
2023-08-22 11:30:53 +03:00
Bananymous
2746419c8c
BAN: Function call is now const
2023-08-22 11:30:40 +03:00
Bananymous
b5a7246ba7
LibC: make printf buffer only 128 bytes
...
Only reason for it to be big is if you want super large zero padding
for your number. This will eventually be handled without the buffer.
2023-08-18 16:49:27 +03:00