\ ========== Copyright Header Begin ========================================== \ \ Hypervisor Software File: savestate.fth \ \ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. \ \ - Do no alter or remove copyright notices \ \ - Redistribution and use of this software in source and binary forms, with \ or without modification, are permitted provided that the following \ conditions are met: \ \ - Redistribution of source code must retain the above copyright notice, \ this list of conditions and the following disclaimer. \ \ - Redistribution in binary form must reproduce the above copyright notice, \ this list of conditions and the following disclaimer in the \ documentation and/or other materials provided with the distribution. \ \ Neither the name of Sun Microsystems, Inc. or the names of contributors \ may be used to endorse or promote products derived from this software \ without specific prior written permission. \ \ This software is provided "AS IS," without a warranty of any kind. \ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, \ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A \ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN \ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR \ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR \ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN \ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR \ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE \ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, \ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF \ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. \ \ You acknowledge that this software is not designed, licensed or \ intended for use in the design, construction, operation or maintenance of \ any nuclear facility. \ \ ========== Copyright Header End ============================================ id: @(#)savestate.fth 1.1 06/02/16 purpose: Saves CPU state for later retrieval copyright: Copyright 2006 Sun Microsystems, Inc. All Rights Reserved copyright: Use is subject to license terms. headers transient also forth definitions : offset-of \ name ( -- offset ) parse-word ['] forth $vfind if >body w@ 1 else ." offset-of can't find " type cr where then do-literal ; immediate previous definitions resident \ input: %o7 return address \ output: %o0 ptr to cpu struct \ %o7, %asi and %g7 in GL2 are trashed and not saved label save-reset-state %g0 2 wrgl \ Get cpu struct stashed in SCRATCH7 %g0 h# 20 wrasi %g0 h# 38 %asi %g7 ldxa %g0 memory-asi wrasi %g1 rdpil %g1 %g7 offset-of %pil %asi stxa %g1 rdcwp %g1 %g7 offset-of %cwp %asi stxa %g1 rdcansave %g1 %g7 offset-of %cansave %asi stxa %g1 rdcanrestore %g1 %g7 offset-of %canrestore %asi stxa %g1 rdcleanwin %g1 %g7 offset-of %cleanwin %asi stxa %g1 rdotherwin %g1 %g7 offset-of %otherwin %asi stxa %g1 rdwstate %g1 %g7 offset-of %wstate %asi stxa %g1 rdpstate %g1 %g7 offset-of %pstate %asi stxa %g1 rdgl %g1 %g7 offset-of %gl %asi stxa %g1 rdy %g1 %g7 offset-of %y %asi stxa %g1 rdccr %g1 %g7 offset-of %ccr %asi stxa %g1 rdasi %g1 %g7 offset-of %asi %asi stxa %g1 rdfprs %g1 %g7 offset-of %fprs %asi stxa %g1 rdtpc %g1 %g7 offset-of %pc %asi stxa %g1 rdtnpc %g1 %g7 offset-of %npc %asi stxa %g1 rdtba %g1 %g7 offset-of %tba %asi stxa %g1 rdtl %g1 %g7 offset-of %tl-c %asi stxa %g1 rdtt %g1 %g7 offset-of %tt-c %asi stxa %g1 rdtpc %g1 %g7 offset-of %tpc-c %asi stxa %g1 rdtnpc %g1 %g7 offset-of %tnpc-c %asi stxa %g1 rdtstate %g1 %g7 offset-of %tstate-c %asi stxa %g0 1 %g1 sub %g0 %g7 offset-of %restartable? %asi stxa %o7 %g6 move \ return address in %g6, GL=2 \ Save all of the Trap State Registers %g3 rdtl %g0 2 wrtl %g1 rdtt %g1 %g7 offset-of %tt-2 %asi stxa %g1 rdtpc %g1 %g7 offset-of %tpc-2 %asi stxa %g1 rdtnpc %g1 %g7 offset-of %tnpc-2 %asi stxa %g1 rdtstate %g1 %g7 offset-of %tstate-2 %asi stxa %g0 1 wrtl %g1 rdtt %g1 %g7 offset-of %tt-1 %asi stxa %g1 rdtpc %g1 %g7 offset-of %tpc-1 %asi stxa %g1 rdtnpc %g1 %g7 offset-of %tnpc-1 %asi stxa %g1 rdtstate %g1 %g7 offset-of %tstate-1 %asi stxa %g3 0 wrtl %g0 window-registers %g1 add %g1 %g7 %g1 add %o0 %g1 0 /n* %asi stxa \ %o0 %o1 %g1 1 /n* %asi stxa \ %o1 %o2 %g1 2 /n* %asi stxa \ %o2 %o3 %g1 3 /n* %asi stxa \ %o3 %o4 %g1 4 /n* %asi stxa \ %o4 %o5 %g1 5 /n* %asi stxa \ %o5 %o6 %g1 6 /n* %asi stxa \ %o6 %o7 %g1 7 /n* %asi stxa \ %o7 %g1 8 /n* %g1 add %l0 %g1 0 /n* %asi stxa \ %l0 %l1 %g1 1 /n* %asi stxa \ %l1 %l2 %g1 2 /n* %asi stxa \ %l2 %l3 %g1 3 /n* %asi stxa \ %l3 %l4 %g1 4 /n* %asi stxa \ %l4 %l5 %g1 5 /n* %asi stxa \ %l5 %l6 %g1 6 /n* %asi stxa \ %l6 %l7 %g1 7 /n* %asi stxa \ %l7 %g1 8 /n* %g1 add %i0 %g1 0 /n* %asi stxa \ %i0 %i1 %g1 1 /n* %asi stxa \ %i1 %i2 %g1 2 /n* %asi stxa \ %i2 %i3 %g1 3 /n* %asi stxa \ %i3 %i4 %g1 4 /n* %asi stxa \ %i4 %i5 %g1 5 /n* %asi stxa \ %i5 %i6 %g1 6 /n* %asi stxa \ %i6 %i7 %g1 7 /n* %asi stxa \ %i7 %g1 8 /n* %g1 add %g4 rdcwp %g4 1 %g3 sub %g3 0 wrcwp begin %l0 %g1 0 /n* %asi stxa \ %l0 %l1 %g1 1 /n* %asi stxa \ %l1 %l2 %g1 2 /n* %asi stxa \ %l2 %l3 %g1 3 /n* %asi stxa \ %l3 %l4 %g1 4 /n* %asi stxa \ %l4 %l5 %g1 5 /n* %asi stxa \ %l5 %l6 %g1 6 /n* %asi stxa \ %l6 %l7 %g1 7 /n* %asi stxa \ %l7 %g1 8 /n* %g1 add %i0 %g1 0 /n* %asi stxa \ %i0 %i1 %g1 1 /n* %asi stxa \ %i1 %i2 %g1 2 /n* %asi stxa \ %i2 %i3 %g1 3 /n* %asi stxa \ %i3 %i4 %g1 4 /n* %asi stxa \ %i4 %i5 %g1 5 /n* %asi stxa \ %i5 %i6 %g1 6 /n* %asi stxa \ %i6 %i7 %g1 7 /n* %asi stxa \ %i7 %g3 1 %g3 sub %g3 0 wrcwp %g3 rdcwp %g4 %g3 %g0 subcc = until %g1 8 /n* %g1 add %g7 %l0 move %g6 %o7 move \ restore return address \ Save GL=1 Globals %g0 1 wrgl %g0 %l0 offset-of %a0 %asi stxa %g1 %l0 offset-of %a1 %asi stxa %g2 %l0 offset-of %a2 %asi stxa %g3 %l0 offset-of %a3 %asi stxa %g4 %l0 offset-of %a4 %asi stxa %g5 %l0 offset-of %a5 %asi stxa %g6 %l0 offset-of %a6 %asi stxa %g7 %l0 offset-of %a7 %asi stxa \ Save GL=0 Globals %g0 0 wrgl %g0 %l0 offset-of %g0 %asi stxa %g1 %l0 offset-of %g1 %asi stxa %g2 %l0 offset-of %g2 %asi stxa %g3 %l0 offset-of %g3 %asi stxa %g4 %l0 offset-of %g4 %asi stxa %g5 %l0 offset-of %g5 %asi stxa %g6 %l0 offset-of %g6 %asi stxa %g7 %l0 offset-of %g7 %asi stxa %g0 1 %g1 sub %g1 %l0 offset-of %state-valid %asi stxa %g0 7 wrcleanwin %g0 0 wrotherwin %g0 0 wrwstate %g0 0 wrcwp %g0 0 wrcanrestore %g0 6 wrcansave %l0 %o0 move \ %o0 contains cpu struct ptr %o7 8 %g0 jmpl nop end-code