From: F.J.Ballesteros <nemo@gsyc.escet.urjc.es>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] 2 bitsy questions
Date: Fri, 8 Jun 2001 09:09:35 +0200 [thread overview]
Message-ID: <20010608070016.1A3E319A4C@mail.cse.psu.edu> (raw)
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So, you mean that just repeating
setr13(PsrMfiq, m->sfiq);
setr13(PsrMirq, m->sirq);
setr13(PsrMabt, m->sabt);
setr13(PsrMund, m->sund);
could do the job, since they always point to the same place.
I'll try that.
thanks a lot.
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From: presotto@plan9.bell-labs.com
To: nemo@gsyc.escet.urjc.es, 9fans@cse.psu.edu
Subject: Re: [9fans] 2 bitsy questions
Date: Thu, 7 Jun 2001 17:14:25 -0400
Message-ID: <20010607211434.27241199F1@mail.cse.psu.edu>
There is an r13 for each mode. On traps, we always trampoline to svc
mode so that the r13 registers are always pointing to the same place
when we are interruptible. You will definitely lose this state in
idle/sleep mode. I'll look at it a little more closely tonight.
next reply other threads:[~2001-06-08 7:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-06-08 7:09 F.J.Ballesteros [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-06-07 21:14 presotto
2001-06-07 18:38 F.J.Ballesteros
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