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1174 Commits

Author SHA1 Message Date
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
Bananymous c1d82282d9 Id: Print username corresponding to uid/euid 
Also print euid and egid if they differ from uid or gid.
 2023-08-18 15:36:51 +03:00
Bananymous 0abe30af38 BuildSystem: only apply stack usage warning to libc 2023-08-17 20:49:52 +03:00
Bananymous 089da2608c Shell: command execution and parsing support piped commands 
There is still problems with "blocking" builtin commands (time),
return value, ...
 2023-08-17 12:05:38 +03:00
Bananymous 85c6149138 LibC: add fileno() and fdopen() 
fdopen() doesn't currently care about mode and will have same mode
as the underlying file descriptor.
 2023-08-17 12:03:59 +03:00
Bananymous 79f3aa5419 Kernel/LibC: add dup() syscall and function 2023-08-17 12:03:29 +03:00
Bananymous ed5f4d64a8 Shell: add basic printf test 2023-08-16 10:49:34 +03:00
Bananymous 569e76a848 LibC: printf handles nan and inf 2023-08-16 10:49:34 +03:00
Bananymous 3a36c30e80 LibC: math.h defines is*() macros and uses builtins for values 2023-08-16 10:41:55 +03:00
Bananymous a09232a555 cat: use 1025 buffer. this allows reads to be 1024 byte 
reading from disk currently returns ENOTSUP if buffer size is not
multiple of sector size.
 2023-08-16 09:33:14 +03:00
Bananymous 5a94818210 Shell: $? returns last return value 2023-08-15 09:17:46 +03:00
Bananymous 2441f208c6 Userspace: Add basic whoami command 2023-08-15 09:03:51 +03:00
Bananymous db2eca697e Shell: '\u' in PS1 is replaced with username corresponding to euid 2023-08-14 14:55:23 +03:00