| 1 | # ========== Copyright Header Begin ========================================== |
| 2 | # |
| 3 | # OpenSPARC T2 Processor File: Niagara.pm |
| 4 | # Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved |
| 5 | # 4150 Network Circle, Santa Clara, California 95054, U.S.A. |
| 6 | # |
| 7 | # * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 8 | # |
| 9 | # This program is free software; you can redistribute it and/or modify |
| 10 | # it under the terms of the GNU General Public License as published by |
| 11 | # the Free Software Foundation; version 2 of the License. |
| 12 | # |
| 13 | # This program is distributed in the hope that it will be useful, |
| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | # GNU General Public License for more details. |
| 17 | # |
| 18 | # You should have received a copy of the GNU General Public License |
| 19 | # along with this program; if not, write to the Free Software |
| 20 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | # |
| 22 | # For the avoidance of doubt, and except that if any non-GPL license |
| 23 | # choice is available it will apply instead, Sun elects to use only |
| 24 | # the General Public License version 2 (GPLv2) at this time for any |
| 25 | # software where a choice of GPL license versions is made |
| 26 | # available with the language indicating that GPLv2 or any later version |
| 27 | # may be used, or where a choice of which version of the GPL is applied is |
| 28 | # otherwise unspecified. |
| 29 | # |
| 30 | # Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 31 | # CA 95054 USA or visit www.sun.com if you need additional information or |
| 32 | # have any questions. |
| 33 | # |
| 34 | # ========== Copyright Header End ============================================ |
| 35 | # -*- perl -*- |
| 36 | |
| 37 | package Midas::MMU::Niagara; |
| 38 | use strict; |
| 39 | |
| 40 | use Midas::Command; |
| 41 | use Midas::Error; |
| 42 | use Midas::Configure; |
| 43 | use Midas::Globals; |
| 44 | use Midas::Segment; |
| 45 | |
| 46 | use TRELoad 'BitFieldTie'; |
| 47 | |
| 48 | use base qw(Midas::MMU); |
| 49 | use fields qw( |
| 50 | rasize |
| 51 | ); |
| 52 | |
| 53 | |
| 54 | |
| 55 | |
| 56 | ############################################################################## |
| 57 | |
| 58 | sub new { |
| 59 | my $class = shift; |
| 60 | my %args = @_; |
| 61 | my $this = fields::new($class); |
| 62 | $this->SUPER::new(); |
| 63 | |
| 64 | foreach my $key (keys %args) { |
| 65 | $this->{$key} = $args{$key}; |
| 66 | } |
| 67 | |
| 68 | $this->set_defaults(); |
| 69 | |
| 70 | $this->{mapattr_type} = 'Midas::MMU::Niagara::SectionAttrs'; |
| 71 | |
| 72 | return $this; |
| 73 | } |
| 74 | |
| 75 | ############################################################################## |
| 76 | |
| 77 | sub set_defaults { |
| 78 | my $this = shift; |
| 79 | |
| 80 | $this->{vasize} = 64 unless defined $this->{vasize}; |
| 81 | $this->{pasize} = 40 unless defined $this->{pasize}; |
| 82 | $this->{rasize} = 40 unless defined $this->{rasize}; |
| 83 | $this->{type} = 'niagara' unless defined $this->{type}; |
| 84 | |
| 85 | |
| 86 | $this->SUPER::set_defaults(); |
| 87 | } |
| 88 | |
| 89 | ############################################################################## |
| 90 | |
| 91 | sub mmu_cpp_args { |
| 92 | my $this = shift; |
| 93 | my $list = ['-DNIAGARA']; |
| 94 | push @$list, '-DALLOW_TSB_COL' if $CONFIG{allow_tsb_conflicts}; |
| 95 | return $list; |
| 96 | } |
| 97 | |
| 98 | ############################################################################## |
| 99 | |
| 100 | ############################################################################## |
| 101 | ############################################################################## |
| 102 | |
| 103 | { |
| 104 | package Midas::MMU::Niagara::SectionAttrs; |
| 105 | use strict; |
| 106 | |
| 107 | use Carp; |
| 108 | use Midas::Command; |
| 109 | use Midas::Globals; |
| 110 | use Midas::Error; |
| 111 | use Midas::MMU::SunSectionAttrs; |
| 112 | use Midas::MMU::TTEFormat; |
| 113 | use BitFieldTie; |
| 114 | |
| 115 | |
| 116 | use base qw(Midas::MMU::SunHyperAttrs); |
| 117 | use fields (qw(), |
| 118 | ( |
| 119 | # Hard-code MMU type because 'use fields' directive needs |
| 120 | # to happen at compile-time |
| 121 | keys %{ get_union_tte_field_hash('niagara') } |
| 122 | ) |
| 123 | ); |
| 124 | |
| 125 | our @Settable = (); |
| 126 | |
| 127 | our %Settable = map { $_ => 1} Midas::MMU::Niagara::SectionAttrs->settable(); |
| 128 | our %FieldSizes = (); |
| 129 | |
| 130 | ############################################################################ |
| 131 | |
| 132 | sub new { |
| 133 | my $this = shift; |
| 134 | my %args = @_; |
| 135 | |
| 136 | unless (ref $this) { |
| 137 | $this = fields::new($this); |
| 138 | } |
| 139 | |
| 140 | $this->{settable} = \%Settable; |
| 141 | foreach my $key (keys %args) { |
| 142 | $this->{$key} = $args{$key}; |
| 143 | } |
| 144 | |
| 145 | return $this; |
| 146 | } |
| 147 | |
| 148 | ############################################################################ |
| 149 | |
| 150 | sub set_defaults { |
| 151 | my $this = shift; |
| 152 | |
| 153 | $this->SUPER::set_defaults(); |
| 154 | |
| 155 | foreach my $field (keys %FieldSizes) { |
| 156 | $this->{$field} = 0 unless defined $this->{$field}; |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | ############################################################################# |
| 161 | |
| 162 | sub settable { |
| 163 | my $this = shift; |
| 164 | my @settable = $this->SUPER::settable(); |
| 165 | push @settable, @Settable; |
| 166 | return @settable; |
| 167 | } |
| 168 | |
| 169 | ############################################################################# |
| 170 | |
| 171 | sub get_field_size_hash { |
| 172 | my $this = shift; |
| 173 | my $sizes = $this->SUPER::get_field_size_hash(); |
| 174 | |
| 175 | foreach my $field (keys %FieldSizes) { |
| 176 | $sizes->{$field} = $FieldSizes{$field}; |
| 177 | } |
| 178 | |
| 179 | return $sizes; |
| 180 | } |
| 181 | |
| 182 | ############################################################################ |
| 183 | |
| 184 | sub legal_page_bits { |
| 185 | my $this = shift; |
| 186 | return (0, 1, 3, 5); |
| 187 | } |
| 188 | |
| 189 | ########################################################################### |
| 190 | |
| 191 | } |
| 192 | |
| 193 | ############################################################################## |
| 194 | |
| 195 | ############################################################################## |
| 196 | |
| 197 | 1; |