obp/obp/arch/sun4v/reboot-info.fth

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\ Hypervisor Software File: reboot-info.fth
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id: @(#)reboot-info.fth 1.2 07/02/22
purpose:
copyright: Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
copyright: Use is subject to license terms.

headerless

d# 255 3 wa+ constant /reboot-info-buf
/reboot-info-buf buffer: reboot-info-buf
false value reboot-info-loaded?

: reboot-command-set  ( $value -- )  " reboot-command" $silent-setenv ;

: ldv-save-reboot-info  ( bootpath,len line# column# -- )
   2drop reboot-command-set
;

\ By the time we look for the reboot-command, the LDOMs variables
\ (and any associated updates) have been extracted from the MD.
\ It is sufficient to check the NVRAM variable.
: ldv-get-reboot-info ( -- bootpath,len line# column# )
   reboot-info-loaded? if                       (  )
      \ Only read the NVRAM variable on the first pass, since we clear it
      \ after reading.
      reboot-info-buf count                     ( bootpath,len )
   else                                         (  )
      " reboot-command" $getenv 0= if           ( bootpath,len )
         2dup reboot-info-buf 2dup c!           ( bootpath,len bootpath,len buf )
         1+ swap move                           ( bootpath,len )
         " " reboot-command-set                 ( bootpath,len )
         true to reboot-info-loaded?            ( bootpath,len )
      else                                      (  )
         0 0                                    ( bootpath,len )
      then                                      ( bootpath,len )
   then                                         ( bootpath,len )
   0 0                                          ( bootpath,len line# column# )
;

' ldv-save-reboot-info is save-reboot-info
' ldv-get-reboot-info is get-reboot-info