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1a08f436
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Date :
2010-08-25T09:23:17
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\ ========== Copyright Header Begin ==========================================
\
\ Hypervisor Software File: reentry-table.fth
\
\ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
\
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\ ========== Copyright Header End ============================================
id: @(#)reentry-table.fth 1.8 06/02/16
purpose:
copyright: Copyright 2006 Sun Microsystems, Inc. All Rights Reserved
copyright: Use is subject to license terms.
headerless
\ the Reentry Eligibility Table is an array of 8 byte words
\ indexed by CPU ID. This table needs to be created at
\ compile time since POST expects the OBP dictionary entry be
\ locked in I-TLB. See FWARC/2000/022 for details.
max-mondo-target# /x * constant /reentry-flag-table
/x (align) here /reentry-flag-table allot
dup /reentry-flag-table erase
origin- ROMbase + constant reentry-flag-table
\ mark the given CPU as eligible for reset reentry
: enable-reentry ( mid -- )
dup 0 max-mondo-target# within if ( mid )
/x * reentry-flag-table + true swap x! ( )
else ( mid )
drop ( )
then ( )
;
\ mark the given CPU as ineligible for reset reentry
: disable-reentry ( mid -- )
dup 0 max-mondo-target# within if ( mid )
/x * reentry-flag-table + false swap x! ( )
else ( mid )
drop ( )
then ( )
;
stand-init: Enable Reset Reentry Table
\ slave CPUs will enable reentry for themselves
mid@ enable-reentry
reentry-flag-table ROMbase !
;