Eiciel OS — an operating system
Founder & Builder of Eiciel OS | Cybersecurity
What it does
I'm building Eiciel OS, a hardened Windows environment focused on reducing attack surface, controlling network access, monitoring activity and providing human-controlled incident response. Currently looking for cybersecurity professionals and technical users willing to challenge the product and provide honest feedback.
Eiciel OS boots real hardware through GRUB multiboot, sets up its own GDT and IDT, drives the framebuffer directly over VBE/VESA, and draws a graphical desktop — dock, draggable windows, wallpaper — with zero external OS underneath it. QEMU's -kernel loader always falls back to mode 13h. Getting a real linear framebuffer up under GRUB meant fighting the boot process one layer at a time. The multiboot header was missing five zeroed a.out-kludge placeholder fields, and kernel_main(magic, mb_info) had its cdecl push order reversed. Fix — zero the kludge fields, correct the argument push order. init_idt() hardcoded selector 0x08 , assuming QEMU's bootloader GDT layout — a layout…from eliecil-os.vercel.app
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