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79
Votes: 2
Tags:
assembly
mbr
Link:
🔍 See Original Question on Stack Overflow ⧉ 🔗
URL:
https://stackoverflow.com/q/39887196
Title:
Call Grub (MBR) from Linux
ID:
/2016/10/06/Call-Grub-_MBR_-from-Linux
Created:
October 6, 2016
Edited: May 21, 2023
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April 8, 2024
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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?