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Tags: assembly   mbr  
Link: πŸ” See Original Question on Stack Overflow ⧉ πŸ”—

Title: Call Grub (MBR) from Linux
ID: /2016/10/06/Call-Grub-_MBR_-from-Linux
Created: October 6, 2016    Edited:  May 21, 2023    Favorites:  0
Upload: September 20, 2023    Layout:  post
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I need an ASSEMBLER tool.

I need to switch processor from protected mode to real mode.

I need to copy the first 512 bytes of First Sector of first drive (it’s an SSD now) to 0000:07c0 and JMP to that location.

In effect I need to boot Grub2 from Linux by-passing BIOS POST to save a few seconds in sudo reboot.

Any ideas?

⇧ Edit grub from Windows? Nautilus - sidebar menue/mounts - cannot unmount  β‡©