VHDL 2007: Just the New Stuff Book

Preface     ix
Enhanced Generics     1
Generic Types     1
Generic Lists in Packages     6
Local Packages     11
Generic Lists in Subprograms     15
Generic Subprograms     21
Uninstantiated Methods in Protected Types     32
Generic Packages     36
Use Case: Generic Memories     43
Other Major Features     53
External Names     53
Force and Release     63
Context Declarations     67
Integrated PSL     70
IP Encryption     77
Key Exchange     96
VHDL Procedural Interface (VHPI)     97
Direct Binding     97
Tabular Registration and Indirect Binding     99
Registration of Applications and Libraries     101
Type System Changes     103
Unconstrained Element Types     103
Composite Types     103
Subtype Indications and Constraints     107
Use of Composite Subtypes     109
Variable and Signal Declarations     110
Constant Declarations     110
Attribute Specifications     111
Allocated Objects     111
Interface Objects     112
Summary: Determining Array Index Ranges     117
Type Conversions     118
Alias Declarations and Subtype Attributes     119
Resolved Composite Subtypes     122
Resolved Elements     123
New and Changed Operations     127
Array/Scalar Logical Operations     127
Array/Scalar Addition Operators     129
Logical Reduction Operators     130
Condition Operator     132
Matching Relational Operators     133
Maximum and Minimum     138
Mod and Rem for Physical Types     140
Shift Operations     141
Strength Reduction and 'X' Detection     142
New and Changed Statements     143
Conditional and Selected Assignments     143
Sequential Signal Assignments     143
Forcing Assignments     146
Variable Assignments     147
Matching Case Statements     149
Matching Selected Assignments     150
If and Case Generate     151
Configuration of If and Case Generate     155
Modeling Enhancements     159
Signal Expressions in Port Maps      159
All Signals in Sensitivity List     161
Reading Out-Mode Ports and Parameters     162
Slices in Aggregates     166
Bit-String Literals     167
Improved I/O     169
The To_String Functions     169
Predefined To_string Functions     170
Overloaded To_string Functions     171
The To_ostring and To_hstring Functions     172
The Justify Function     173
Newline Formatting     173
Read and Write Operations     174
The Tee Procedure     177
The Flush Procedure     178
Standard Packages     179
The Std_logic_1 164 Package     179
The Numeric_bit and Numeric_std Packages     180
The Numeric Unsigned Packages     182
The Fixed-Point Math Packages     182
The Floating-Point Math Packages     186
The Standard Package     191
The Env Package     192
Operator Overloading Summary     193
Conversion Function Summary     196
Strength Reduction Function Summary     204
Miscellaneous Changes     207
Referencing Generics in Generic Lists     207
Function Return Subtype     208
Qualified Expression Subtype     209
Type Conversions     209
Case Expression Subtype     211
Subtypes for Port and Parameter Actuals     212
Static Composite Expressions     213
Static Ranges     214
Use Clauses, Types, and Operations     215
Hiding of Implicit Operations     216
Multidimensional Array Alias     217
Others in Aggregates     217
Attribute Specifications in Package Bodies     219
Attribute Specification for Overloaded Subprograms     219
Integer Expressions in Range Bounds     220
Action on Assertion Violations     221
'Path_Name and 'Instance_Name     221
Non-Nesting of Architecture Region     223
Purity of Now     223
Delimited Comments     224
Tool Directives     225
New Reserved Words     225
Replacement Characters     226
What's Next     229
Object-Oriented Class Types     229
Standard Components Library     232
Randomization     232
Functional Coverage     235
Alternatives      235
Getting Involved     235
Index     237