obp/obp/dev/sun4v-devices/flashprom/flashprom.tok

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\ Hypervisor Software File: flashprom.tok
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id: @(#)flashprom.tok 1.3 06/04/18
purpose:
copyright: Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved
copyright: Use is subject to license terms.

Fcode-Version3

headerless

h# 80000 constant /romsize

my-space encode-int " reg" property
" flashprom"            device-name

fload ${BP}/dev/flash/dropins/misc.fth
fload ${BP}/pkg/dropins/finder.fth

0 value map-level

0 instance value di-ptr
0 instance value di-size
0 instance value di-pos

h# f000.0000 0 lxjoin constant di-base
di-base /romsize + to di-limit

: search-for-dropin ( name$ -- addr,true | false )
   2dup di-base find-drop-in? if        ( adr len adr len addr )
      >r 2drop  r> true                 ( addr,true )
   else                                 ( adr len )
      di-base /romsize 2/ +             ( adr len va )
      find-drop-in?                     ( addr, true )
   then                                 ( addr,true | false )
;

: set-pointers ( base size -- )
   to di-size
   to di-ptr
   0 to di-pos
;

external

: open ( -- flag )
   my-args ?dup  if                     ( adr len )
      search-for-dropin if              ( va,true | false )
         dup >di-image                  ( va base )
         swap >di-size l@               ( base,len )
         set-pointers true              ( true )
      else                              ( )
         false                          ( false )
      then                              ( true|false )
   else                                 ( adr )
      drop di-base /romsize             ( va,len )
      set-pointers                      ( )
      true                              ( true )
   then                                 ( flag )
;

: read ( adr,len -- len )
   di-size min tuck                     ( len adr len )
   di-pos di-ptr + -rot                 ( len src adr len )
   move                                 ( len )
;

: size ( -- n )  di-size  ;

: close  ( -- )  ;

end0