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Xbox Irqls (interrupt Request Levels)?


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#1 _zlinky

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Posted 27 August 2007 - 07:32 AM

Hey, does anybody have a list of all of the Xbox's IRQLs? A list similar to this?

http://en.wikipedia....terrupt_request (x86 IRQs)

Are the PC's and Xbox's IRQLs the same? Thanks.

#2 openxdkman

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Posted 28 August 2007 - 07:03 AM

If I remember well (you can see that in src/hal, in openxdk source files)

Irq 1 = USB (see input.c)
Irq 2 = Hard disk? (pure guess, unused by openxdk I think)
Irq 3 = GPU (see video.c, also pbKit will override openxdk's control over it)
Irq 4 = Network (see pktdrv.c, xbox1 network driver for openxdk)
Irq 5 = Sound? (I don't remember well, unused so far in openxdk -chat?-)
Irq 6 = Sound (see audio.c)

Edited by openxdkman, 28 August 2007 - 07:19 AM.


#3 _zlinky

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Posted 28 August 2007 - 08:06 PM

QUOTE(openxdkman @ Aug 28 2007, 01:39 AM) View Post

If I remember well (you can see that in src/hal, in openxdk source files)

Irq 1 = USB (see input.c)
Irq 2 = Hard disk? (pure guess, unused by openxdk I think)
Irq 3 = GPU (see video.c, also pbKit will override openxdk's control over it)
Irq 4 = Network (see pktdrv.c, xbox1 network driver for openxdk)
Irq 5 = Sound? (I don't remember well, unused so far in openxdk -chat?-)
Irq 6 = Sound (see audio.c)


Alright, that sheds alot more light on things, thanks alot. I'm sure with a little more work I could find out the unknowns.




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