Thank you for your reply,I would rather know which type of processor that rt-linux 
support?Can it support ARM,PowerPC,MIPS?In other words,
Can I download the compiler of ARM,PowerPC,MIPS?
----- Original Message ----- 
From: Steven Chung <[EMAIL PROTECTED]>
To: mai <[EMAIL PROTECTED]>
Sent: Monday, November 27, 2000 1:20 PM
Subject: Re: [rtl] processors support


> Hi Mai:
> 
> The short answer if eight (8).  A downloaded rtai-1.5 sets it to 2 as
> described below.  RTAI narrates the following in rtai-1.5/include/rtai.h:
> 
> If NR_RT_CPUS > 8 RTAI must be changed as it cannot use APIC flat delivery
> and the way processor[?].intr_flag is used must be changed (right now it
> exploits the fact that the IF flags is at bit 9 so that bits 0-7 are used
> to mark a cpu as Linux soft irq enabled/disabled. Bad but comfortable, it 
> will take a very very long time before I'll have available SMP with more
> than 8 cpus. Right now they are only:
> 
> #define NR_RT_CPUS  2
> 
> Where, as you might have guessed, NR_RT_CPUS, represents the total number of
> CPUs.
> 
> Have fun!
> 
> Steven Chung
> 
> On Sun, 26 Nov 2000, you wrote:
> > Hello everybody,
> > I can't get the document which tell me how many processors that rt-linux 
>support.Would you please tell me that?Thank you!
> > 
> > mai
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