Branch
Hash :
1a08f436
Author :
Date :
2010-08-25T09:23:17
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\ ========== Copyright Header Begin ==========================================
\
\ Hypervisor Software File: tlbasm.fth
\
\ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
\
\ - Do no alter or remove copyright notices
\
\ - Redistribution and use of this software in source and binary forms, with
\ or without modification, are permitted provided that the following
\ conditions are met:
\
\ - Redistribution of source code must retain the above copyright notice,
\ this list of conditions and the following disclaimer.
\
\ - Redistribution in binary form must reproduce the above copyright notice,
\ this list of conditions and the following disclaimer in the
\ documentation and/or other materials provided with the distribution.
\
\ Neither the name of Sun Microsystems, Inc. or the names of contributors
\ may be used to endorse or promote products derived from this software
\ without specific prior written permission.
\
\ This software is provided "AS IS," without a warranty of any kind.
\ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
\ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
\ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
\ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
\ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
\ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
\ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
\ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
\ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
\ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
\ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
\
\ You acknowledge that this software is not designed, licensed or
\ intended for use in the design, construction, operation or maintenance of
\ any nuclear facility.
\
\ ========== Copyright Header End ============================================
id: @(#)tlbasm.fth 1.1 06/02/16
purpose: Implements low level tlb code for sun4v class CPUs
copyright: Copyright 2006 Sun Microsystems, Inc. All Rights Reserved
copyright: Use is subject to license terms.
\ %o0 = VA
\ %o1 = PA
\ %o2 = Size 0 = 8K, 1 = 64K , 3 = 4M , 5 = 256M
\ %o3 = TTE Mode bits
label setup-itlb-entry
%o1 d# 64 #pabits - %o5 sllx
%o5 %g0 %g0 subcc
0< if
%o1 0 >tte-priv >tte-cv >tte-cp >tte-writable %o5 or \ P,CP,CV,W
%o1 0 >tte-priv >tte-effect >tte-writable %o5 or \ P,E,W
then
%o5 %o3 %o1 or \ Other bits
%o5 %o2 %o1 or \ Size
%g0 1 %o2 or
%o2 d# 63 %o2 sllx \ V
%o2 %o1 %o2 or \ %o2 = TTE
%g0 %o1 move \ %o1 = context
%g0 2 %o3 add \ %o3 = ITLB
\ %o0 = Virt
\ %o1 = context
\ %o2 = TTE
\ %o3 = ITLB
%g0 map-perm-addr-func# %o5 add %g0 0 always htrapif
retl
nop
end-code
\ %o0 = VA
\ %o1 = PA
\ %o2 = Size 0 = 8K, 1 = 64K , 3 = 4M , 5 = 256M
\ %o3 = TTE Mode bits
label setup-dtlb-entry
%o1 d# 64 #pabits - %o5 sllx
%o5 %g0 %g0 subcc
0< if
%o1 0 >tte-priv >tte-cv >tte-cp >tte-writable %o5 or \ P,CP,CV,W
%o1 0 >tte-priv >tte-effect >tte-writable %o5 or \ P,E,W
then
%o5 %o3 %o1 or \ Other bits
%o5 %o2 %o1 or \ Size
%g0 1 %o2 or
%o2 d# 63 %o2 sllx \ V
%o2 %o1 %o2 or \ %o2 = TTE
%g0 %o1 move \ %o1 = context
%g0 1 %o3 add \ %o3 = DTLB
\ %o0 = Virt
\ %o1 = context
\ %o2 = TTE
\ %o3 = DTLB
%g0 map-perm-addr-func# %o5 add %g0 0 always htrapif
retl
nop
end-code