From mboxrd@z Thu Jan 1 00:00:00 1970 From: presotto@plan9.bell-labs.com To: nemo@gsyc.escet.urjc.es, 9fans@cse.psu.edu Subject: Re: [9fans] 2 bitsy questions MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Message-Id: <20010607211434.27241199F1@mail.cse.psu.edu> Date: Thu, 7 Jun 2001 17:14:25 -0400 Topicbox-Message-UUID: b0ee190c-eac9-11e9-9e20-41e7f4b1d025 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.