obp/obp/arch/sun4u/asmmacros.fth

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\ Hypervisor Software File: asmmacros.fth
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id: @(#)asmmacros.fth 1.10 01/04/06
purpose:
copyright: Copyright 1994-2001 Sun Microsystems, Inc.  All Rights Reserved

headers
0 value tmp-dp
: begin-trap ( trap# -- )
   here to tmp-dp
   5 << origin+  dp !
   do-entercode
;
transient
also assembler definitions
hex

: clear-afsr ( scr sc1 -- )
   drop >r
   %g0  1               r@      sub
   r>   %g0  %g0  h# 4c         stxa
;

: align8 ( -- ) 8 .align  ;
: align80 ( -- ) h# 80 .align  ;

: getx ( rs1 imm rd scr -- )
   >r >r                          ( rs1 imm ) ( r: scr rd )
   2dup  r@  ld                   ( rs1 imm ) ( r: scr rd )
   r@ h# 20 r> r> tuck >r >r sllx ( rs1 imm ) ( r: scr rd )
   la1+  r@  ld                   ( r: scr rd )
   r> r>  over  or                (  )
;

: end-trap ( limit -- )
   here  tmp-dp dp !                  ( limit end )
   swap tuck 5 << origin+             ( end end  limit' )
   [ forth ] >  if [ assembler ]      ( end )
      origin- 5 >>
      ??cr .x  true  abort" Trap Table Entry too big "
   [ forth ] else [ assembler ]       ( end )
      drop                            (  )
   [ forth ] then [ assembler ]       (  )
   end-code                           (  )
;

: set-vector ( vector# vadr -- )
   origin- ROMbase +
   over  begin-trap
   xlsplit             ( vector# nlo nhi )
   dup                 %g2  sethi
   %g2 swap .3ff land  %g2  or
   dup                 %g1  sethi
   %g2      d# 32      %g2  sllx
   %g1      %g2        %g1  or
   %g1 swap .3ff land  %g1  or
   %g1 0               %g0  jmpl
   nop
   ( vector# )
   dup dup 1+ end-trap  2drop
;

resident
previous definitions