kfs-4

Implement the interrupt handling system

What's Changed

• grub: add generation depending on env variables by @edrflt in #54
• Hardware Abstraction Layer: initial abstraction of intel x86 specific code by @edrflt in #55
• interrupts: initial by @edrflt in #57
• syscalls: implement basic syscall architecture by @edrflt in #60
• allocator: implement GlobalAllocator by @edrflt in #61
• syscalls: add read syscall and testing function by @edrflt in #62

Full Changelog: kfs-3...kfs-4

kfs-3

Implement physical and virtual memory allocation

What's Changed

• Implement the Page Frame Allocator by @AngeloFrangione in #32
• make + linker: improve makefile and linker script by @edrflt in #33
• mem: add virtual memory mapping and enable paging by @AngeloFrangione in #34
• self refeference Page Directory and add according mapping functions by @AngeloFrangione in #35
• mem: defining kernel and user space by @AngeloFrangione in #36
• mem: add flag argument to memory_map function by @AngeloFrangione in #38
• pagetable manager: add flags by @edrflt in #39
• mem: use general flags in page table manager by @AngeloFrangione in #40
• k/vmalloc: initial version by @edrflt in #41
• malloc: oops if you try to allocate size 0 by @AngeloFrangione in #42

Full Changelog: kfs-2...kfs-3

kfs-2

What's Changed

• gdt: add and setup a global descriptor table by @AngeloFrangione in #28
• memory: add commands to print memory and basic dump on panic by @edrflt in #29
• memory: add pm to print memory at address by @edrflt in #30
• gdt: fix access bytes by @AngeloFrangione in #31

Full Changelog: kfs-1...kfs-2

kfs-1

Initial release of elsOS

This release includes basic functionality such as showing text to the screen and a little shell to execute commands.