\ ========== Copyright Header Begin ==========================================
\ Hypervisor Software File: savestate.fth
\ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
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\ or without modification, are permitted provided that the following
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\ 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
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\ You acknowledge that this software is not designed, licensed or
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\ ========== 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.
: offset-of \ name ( -- offset )
parse-word ['] forth $vfind if
." offset-of can't find " type cr
\ input: %o7 return address
\ output: %o0 ptr to cpu struct
\ %o7, %asi and %g7 in GL2 are trashed and not saved
\ Get cpu struct stashed in SCRATCH7
%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 %g7 offset-of %restartable? %asi stxa
%o7 %g6 move \ return address in %g6, GL=2
\ Save all of the Trap State Registers
%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
%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
%g0 window-registers %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
%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
%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
%g4 rdcwp %g4 1 %g3 sub %g3 0 wrcwp
%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
%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
= until %g1 8 /n* %g1 add
%g6 %o7 move \ restore return address
%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
%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
%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
projects / OpenSPARC-T2-SAM / blob