obp/obp/dev/usb/finder.fth

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\ Hypervisor Software File: finder.fth
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id: @(#)finder.fth 1.7 99/06/03
purpose:
copyright: Copyright 1998-1999 Sun Microsystems, Inc.  All Rights Reserved

\ XXX for plugin card.  map fcode prom. find fcode bits.  save in
\ buffer(s).  unmap fcode prom.  do at probe time.  dump after probing
\ is complete.
\ : get-fcode-bits  ( -- )
\ ;

\ for cpu bootprom.  look in /packages/SUNW,builtin-drivers.
\ If found, user must dma-free when done with the image.

\ adr1 len1 is a string that is the name of a bunch of fcode.
\ adr2 len2 is a location&size for it (max 64K).
\ return true if it can be found.  return false if it is not found.

: find-fcode  ( adr1 len1 -- adr2 len2 true | false )
   my-self >r
   saved-self to my-self
   " SUNW,builtin-drivers" find-package  drop   \ XXX must be present
   find-method  if
      >r
      h# 1.0000 dma-alloc
      h# 1.0000  2dup
      r> execute  if
         true
      else  dma-free false
      then
   else
      false
   then
   r> to my-self
;

\ make a property for find-fcode so that child nodes can get the fcode
\ they need.
: publish-finder  ( -- )
   ['] find-fcode  encode-int  " sunw,find-fcode" property
;

\ XXX better be present:
: find-device-fcode  ( -- addr len )  " device" find-fcode drop  ;

\ XXX better be present:
: find-combined-fcode  ( -- addr len )  " combined" find-fcode drop  ;