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Re: [Tinycc-devel] Need help with hardware i/o


From: Daniel Glöckner
Subject: Re: [Tinycc-devel] Need help with hardware i/o
Date: Fri, 21 Aug 2009 09:47:08 +0200
User-agent: Mutt/1.4.2.1i

On Fri, Aug 21, 2009 at 09:24:01AM +0300, Antti Huovilainen wrote:
> You cannot access hardware directly in win32 programs (or linux programs 
> for that matter).

As root you can enable access to io ports with iopl(2) and ioperm(2) in Linux.

> 1) You cannot access video ram directly in windows (or linux).

With sufficient privileges you can mmap /dev/mem in Linux to access 
physical address space.

  Daniel




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