Article View: comp.os.xinu
Article #102Re: ctxsw routine for M68000
From: Serge Rouveyrol
Date: Mon, 12 Oct 1992 16:21
Date: Mon, 12 Oct 1992 16:21
15 lines
1058 bytes
1058 bytes
In article <1992Oct5.164946.19346@pacdata.uucp> johnr@pacdata.uucp (John Reed) writes: >................................... > add.l #64,a0 ; Skip past registers d0-7,a0-7 > move.w #0,(a0)+ ; Pad SR savearea, since SR is a word > move.w sr,(a0)+ ; Save SR in old savearea > move.l 4(sp),(a0)+ ; Save PC in old savearea >............................... - It's not necessary ta save SR in the savearea ps) It's most quickly to save context in the stack of process and to save the stack-pointer in the savearea -- serge@imag.fr
Technical Details
Message-ID:
<41558@imag.imag.fr>Path:
arc1-ca.pugleaf.net!sparky!uunet!charon.amdahl.com!pacbell.com!iggy.GW.Vitalink.COM!cs.widener.edu!ukma!usenet.ins.cwru.edu!agate!doc.ic.ac.uk!uknet!mcsun!corton!babbage!imag!sergeReferences:
<1992Oct2.195944.772@nntpd2.cxo.dec.com> <1992Oct5.164946.19346@pacdata.uucp>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!sparky!uunet!charon.amdahl.com!pacbell.com!iggy.GW.Vitalink.COM!cs.widener.edu!ukma!usenet.ins.cwru.edu!agate!doc.ic.ac.uk!uknet!mcsun!corton!babbage!imag!serge From: serge@imag.fr (Serge Rouveyrol) Newsgroups: comp.os.xinu Subject: Re: ctxsw routine for M68000 Message-ID: <41558@imag.imag.fr> Date: 12 Oct 92 16:21:54 GMT References: <1992Oct2.195944.772@nntpd2.cxo.dec.com> <1992Oct5.164946.19346@pacdata.uucp> Organization: IMAG Institute, University of Grenoble, France Lines: 15