Cheat Engine Forum Index Cheat Engine
The Official Site of Cheat Engine
 
 FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 


Hypervisor

 
Post new topic   Reply to topic    Cheat Engine Forum Index -> General programming
View previous topic :: View next topic  
Author Message
rovnix
Newbie cheater
Reputation: 0

Joined: 09 Feb 2014
Posts: 17

PostPosted: Tue Aug 08, 2017 5:03 am    Post subject: Hypervisor Reply with quote

Hi and good day everyone.

What must i study or have an idea of before i can code a Hypervisor like virtualbox? i have knowledge of Driver programming in C and i know some ASM.
Back to top
View user's profile Send private message Yahoo Messenger
Dark Byte
Site Admin
Reputation: 341

Joined: 09 May 2003
Posts: 20023
Location: The netherlands

PostPosted: Tue Aug 08, 2017 5:43 am    Post subject: Reply with quote

everything in this pdf : https://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-software-developer-system-programming-manual-325384.pdf

and also https://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-software-developer-instruction-set-reference-manual-325383.pdf if your asm isn't that good, and when emulating instructions

_________________
Do not ask me about online cheats. I don't know any and wont help finding them.
Back to top
View user's profile Send private message MSN Messenger
Deine Mutter
Expert Cheater
Reputation: 1

Joined: 05 Apr 2006
Posts: 181

PostPosted: Thu Oct 05, 2017 4:54 am    Post subject: Reply with quote

Dark Byte wrote:
everything in this pdf : https://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-software-developer-system-programming-manual-325384.pdf

Just out of curiosity, how much of this did you actually read before developing DBVM? I get that you need some serious low-level knowledge when you wanna get into hypervisor development, but we are talking about a convoluted mess of 2000 pages, most of which can be treated as reference work. If one aims for a thin hypervisor like DBVM, it seems like an overkill to me to read the Chipzilla manuals from start to finish (I know that the OP asked for a full-blown hypervisor like VBox, but maybe that's not what he wants). Projects like SimpleVisor [1] seem like a better place to get started, although some chapters of the Intel manuals are indispensable of course.

[1] https://github.com/ionescu007/SimpleVisor

_________________
Back to top
View user's profile Send private message
Dark Byte
Site Admin
Reputation: 341

Joined: 09 May 2003
Posts: 20023
Location: The netherlands

PostPosted: Thu Oct 05, 2017 5:29 am    Post subject: Reply with quote

chapter 1 to 33, and 35 as reference (you can skip, 14, 15 and 16 as that's only for failing systems which you probably don't need to support and power management which you best leave to the OS)

you need to understand and implement segment registers, paging, real mode, protected mode, cpu boot initialization and multicore cpu init (if you intend to boot up your system with your VM)
task management implementation of the CPU (setting up the TSS)
implementing interrupts and handling exceptions. Know the difference between 32-bit and 64-bit mode interrupts (don't forget realmode interrupts if you intend to boot up)

_________________
Do not ask me about online cheats. I don't know any and wont help finding them.
Back to top
View user's profile Send private message MSN Messenger
Display posts from previous:   
Post new topic   Reply to topic    Cheat Engine Forum Index -> General programming All times are GMT - 6 Hours
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum


Powered by phpBB © 2001, 2005 phpBB Group

CE Wiki   IRC (#CEF)   Twitter
Third party websites