| 1 | # -*- perl -*- |
| 2 | |
| 3 | package Midas::MMU::Niagara; |
| 4 | use strict; |
| 5 | |
| 6 | use Midas::Command; |
| 7 | use Midas::Error; |
| 8 | use Midas::Configure; |
| 9 | use Midas::Globals; |
| 10 | use Midas::Segment; |
| 11 | |
| 12 | use TRELoad 'BitFieldTie'; |
| 13 | |
| 14 | use base qw(Midas::MMU); |
| 15 | use fields qw( |
| 16 | rasize |
| 17 | ); |
| 18 | |
| 19 | |
| 20 | |
| 21 | |
| 22 | ############################################################################## |
| 23 | |
| 24 | sub new { |
| 25 | my $class = shift; |
| 26 | my %args = @_; |
| 27 | my $this = fields::new($class); |
| 28 | $this->SUPER::new(); |
| 29 | |
| 30 | foreach my $key (keys %args) { |
| 31 | $this->{$key} = $args{$key}; |
| 32 | } |
| 33 | |
| 34 | $this->set_defaults(); |
| 35 | |
| 36 | $this->{mapattr_type} = 'Midas::MMU::Niagara::SectionAttrs'; |
| 37 | |
| 38 | return $this; |
| 39 | } |
| 40 | |
| 41 | ############################################################################## |
| 42 | |
| 43 | sub set_defaults { |
| 44 | my $this = shift; |
| 45 | |
| 46 | $this->{vasize} = 64 unless defined $this->{vasize}; |
| 47 | $this->{pasize} = 40 unless defined $this->{pasize}; |
| 48 | $this->{rasize} = 40 unless defined $this->{rasize}; |
| 49 | $this->{type} = 'niagara' unless defined $this->{type}; |
| 50 | |
| 51 | |
| 52 | $this->SUPER::set_defaults(); |
| 53 | } |
| 54 | |
| 55 | ############################################################################## |
| 56 | |
| 57 | sub mmu_cpp_args { |
| 58 | my $this = shift; |
| 59 | my $list = ['-DNIAGARA']; |
| 60 | push @$list, '-DALLOW_TSB_COL' if $CONFIG{allow_tsb_conflicts}; |
| 61 | return $list; |
| 62 | } |
| 63 | |
| 64 | ############################################################################## |
| 65 | |
| 66 | ############################################################################## |
| 67 | ############################################################################## |
| 68 | |
| 69 | { |
| 70 | package Midas::MMU::Niagara::SectionAttrs; |
| 71 | use strict; |
| 72 | |
| 73 | use Carp; |
| 74 | use Midas::Command; |
| 75 | use Midas::Globals; |
| 76 | use Midas::Error; |
| 77 | use Midas::MMU::SunSectionAttrs; |
| 78 | use Midas::MMU::TTEFormat; |
| 79 | use BitFieldTie; |
| 80 | |
| 81 | |
| 82 | use base qw(Midas::MMU::SunHyperAttrs); |
| 83 | use fields (qw(), |
| 84 | ( |
| 85 | # Hard-code MMU type because 'use fields' directive needs |
| 86 | # to happen at compile-time |
| 87 | keys %{ get_union_tte_field_hash('niagara') } |
| 88 | ) |
| 89 | ); |
| 90 | |
| 91 | our @Settable = (); |
| 92 | |
| 93 | our %Settable = map { $_ => 1} Midas::MMU::Niagara::SectionAttrs->settable(); |
| 94 | our %FieldSizes = (); |
| 95 | |
| 96 | ############################################################################ |
| 97 | |
| 98 | sub new { |
| 99 | my $this = shift; |
| 100 | my %args = @_; |
| 101 | |
| 102 | unless (ref $this) { |
| 103 | $this = fields::new($this); |
| 104 | } |
| 105 | |
| 106 | $this->{settable} = \%Settable; |
| 107 | foreach my $key (keys %args) { |
| 108 | $this->{$key} = $args{$key}; |
| 109 | } |
| 110 | |
| 111 | return $this; |
| 112 | } |
| 113 | |
| 114 | ############################################################################ |
| 115 | |
| 116 | sub set_defaults { |
| 117 | my $this = shift; |
| 118 | |
| 119 | $this->SUPER::set_defaults(); |
| 120 | |
| 121 | foreach my $field (keys %FieldSizes) { |
| 122 | $this->{$field} = 0 unless defined $this->{$field}; |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | ############################################################################# |
| 127 | |
| 128 | sub settable { |
| 129 | my $this = shift; |
| 130 | my @settable = $this->SUPER::settable(); |
| 131 | push @settable, @Settable; |
| 132 | return @settable; |
| 133 | } |
| 134 | |
| 135 | ############################################################################# |
| 136 | |
| 137 | sub get_field_size_hash { |
| 138 | my $this = shift; |
| 139 | my $sizes = $this->SUPER::get_field_size_hash(); |
| 140 | |
| 141 | foreach my $field (keys %FieldSizes) { |
| 142 | $sizes->{$field} = $FieldSizes{$field}; |
| 143 | } |
| 144 | |
| 145 | return $sizes; |
| 146 | } |
| 147 | |
| 148 | ############################################################################ |
| 149 | |
| 150 | sub legal_page_bits { |
| 151 | my $this = shift; |
| 152 | return (0, 1, 3, 5); |
| 153 | } |
| 154 | |
| 155 | ########################################################################### |
| 156 | |
| 157 | } |
| 158 | |
| 159 | ############################################################################## |
| 160 | |
| 161 | ############################################################################## |
| 162 | |
| 163 | 1; |