obp/obp/pkg/sun4v-asr/attach-fcode.fth

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\ Hypervisor Software File: attach-fcode.fth
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id: @(#)attach-fcode.fth 1.2 06/06/02
purpose: attach fcode - dropin side
copyright: Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved
copyright: Use is subject to license terms.

0 value asr-fatal-state

: cstrlen ( cstr -- length )
   dup  begin  dup c@  while  ca1+  repeat  swap -
;

: cscount ( cstr -- adr len )  dup cstrlen ;

\ returns ptr to the next byte after the cstring
: cmn-cstr ( ptr -- ptr' )  cscount 2dup cmn-append + 1+ ;

\ state   [key1][0][key2][0][keyn][0]
: list-disabled-keys  ( -- )
   (statelen) dup 0= if                 ( len )
      drop exit                         ( )
   then                                 ( len )
   dup alloc-mem                        ( len buf )
   dup (asr-state) over                 ( len buf len buf )
   cmn-error[ " The following devices are disabled:"r"n" cmn-append
   tuck + swap                          ( len buf end buf )
   begin                                ( len buf end buf )
      2dup > while                      ( len buf end buf )
      "     " cmn-append                ( len buf end buf' )
      cmn-cstr                          ( len buf end buf' )
      " "r"n" cmn-append                ( len buf end buf' )
   repeat 2drop                         ( len buf )
   " " ]cmn-end                         ( len buf )
   swap free-mem                        ( )
;

: asr-dis-ovr-msg$  ( -- $ )  " Disabled device is in use" ;

: (check-asr-state)  ( -- )
   asr-fatal-state case
       0 of  endof
      -2 of  cmn-fatal[  asr-dis-ovr-msg$ ]cmn-end  endof
   endcase

   list-disabled-keys
;

: (asr-attach)  ( -- )
   " asr-attach"                        ( meth$ )
   " builtin-drivers" find-package if   ( meth$ )
      find-method if
         >r                             ( )  ( r: attach-xt )
         ['] (check-asr-state)
         ['] noop                       ( cas-acf dh-xt )
         r> execute                     ( ) ( r: )
      else                              ( )
         cmn-fatal[ " unable to locate asr-attach routine" ]cmn-end
      then                              ( )
   else                                 ( meth$ )
      2drop                             ( )
      cmn-fatal[ " asr-attach: unable to find builtins package" ]cmn-end
   then
;