karina/termOS
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45 Commits 2 Branches 8 Tags
v0.5.2
Commit Graph

19 Commits

Author SHA1 Message Date
Karina 21270a3cc8 feat: introduce HOT! executable format and Ring 3 process isolation (v0.5.2) 
- Implement custom 'HOT!' binary format and Rust-based elf2hot converter.
- Upgrade kernel loader with segment-based loading and BSS zeroing.
- Refactor scheduler for Ring 3 IRET frames and fix CS/SS selector swap.
- Add user stack allocation (0x70000000) and linker scripts for binary cleanup.
 2026-01-30 00:12:11 +04:00
Karina 7d32444da2 feat(core): v0.5.1 - process isolation and syscalls 
- Implemented CR3 switching in scheduler for process isolation

- Added 'process' structure and PML4 cloning (vmm_create_address_space)

- Added NASM crt0 and C entry point for userspace apps
 2026-01-29 22:28:41 +04:00
Karina 55ea8fc533 feat(userspace): userspace support 
build: updated CMakeLists to build and copy to initramfs

wip(syscalls): initial syscalls

chore(ksh/kfetch): minor changes

chore(gitignore): added initramfs/*
 2026-01-29 21:25:45 +04:00
Karina 3f3a026432 build: officially naming the kernel "Dewar" and updating kfetch 2026-01-29 05:29:39 +04:00
Karina 3525c81d9e fix(linker): _start is now always first in binary 
feat(rand): real random using rdrand/xorshift

chore(panic): added 2 more fun_messages

feat(ksh): removed rectest and added rand command

wip(ksh/kfetch): now it shows vendor string instead of stub
 2026-01-29 04:44:25 +04:00
Karina d01a91c993 feat: jumping to userspace (currently only in dbg command with infinit jmp to self loop 2026-01-29 01:10:14 +04:00
Karina ae27f28d04 feat: basic vfs 2026-01-28 06:29:41 +04:00
Karina 0761153d24 feat: implement initial CPIO parsing and shell improvements 
- core: added CPIO parser (fs/cpio.c) and VFS structs

- shell: refactored ksh, added 'help' command

- lib: added string utils (strcpy, strncpy, strncmp)

- wip: working on initramfs loading in kmain
 2026-01-28 02:04:40 +04:00
Karina 26c0353554 feat: blinking cursor 
minor changes while trying to remember what i even wrote here after month break
 2026-01-24 19:26:12 +04:00
Karina 358061cd6c feat: basic scheduler; basic composer 2025-12-30 23:53:59 +04:00
Karina 9a296e4045 ref: changed ifndef -> pragma 2025-12-30 21:28:29 +04:00
Karina db9b7cdbd5 feat: heap, dbg command (currently heap test there) 2025-12-29 08:41:51 +04:00
Karina 6bfce3c866 wip: timer. sending to pc 2025-12-29 06:24:58 +04:00
Karina 0ac17ad472 feat: HHDM 2025-12-28 20:03:35 +04:00
Karina 894c513609 minor refactor; cats in ksh 2025-12-28 07:36:04 +04:00
Karina caf4f7a055 feat: basic ksh 2025-12-28 01:47:17 +04:00
Karina 45fcf8e834 fix: backspace 2025-12-28 00:32:52 +04:00
Karina d0d025dd90 feat: kgets() 2025-12-28 00:10:18 +04:00
Karina 794dae7084 Refactor: Modular kernel structure & WIP keyboard driver 
- Reorganized src/inc into arch, drivers, core, shell
- Updated CMakeLists.txt for multi-arch support
- Added basic scancode-to-ASCII mapping (US QWERTY)
- Initial KSH (Kernel Shell) skeleton
- WIP: Keyboard modifier handling
 2025-12-27 22:10:24 +04:00