obp/obp/arch/sun4s/msloop.fth

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id: @(#)msloop.fth 1.6 06/07/14
purpose:
copyright: Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved
copyright: Use is subject to license terms.

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d# 5.000.000 value system-tick-speed

code (stick-wait) ( sticks -- )
   scr  sc1                     rdstick
   sc1  1               sc1     sllx
   sc1  1               sc1     srlx
   sc1  tos             tos     add             \ End
   h# 20 .align                                 \ Align on a Cache Line
   begin
      tos  sc1          %g0     subcc
      scr  sc1                  rdstick
      sc1  1            sc1     sllx
   0<=  until
      sc1  1            sc1     srlx            \ (delay)

   sp                   tos     pop
c;

: (ms ( ms -- )
   system-tick-speed * d# 1000 / (stick-wait)
;

h# 8000.0000.0000.0000 1- constant stick-mask

: getmsecs ( -- value )
   stick@ stick-mask and d# 1000 *  system-tick-speed /
;
' getmsecs is get-msecs

' (ms is ms

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