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- SystemVerilog DPI (Direct Programming Interface) is an interface which can be used to interface SystemVerilog with foreign languages. These foreign languages can be C, C++, SystemC as well as others. DPIs consist of two layers: a SystemVerilog layer and a foreign language layer. Both the layers are isolated from each other. Which programming language is actually used as the foreign language is transparent and irrelevant for the System-Verilog side of this interface. Neither the SystemVerilog compiler nor the foreign language compiler is required to analyze the source code in the other’s language. Different programming languages can be used and supported with the same intact SystemVerilog layer. For now, however, SystemVerilog defines a foreign language layer only for the C programming language. The motivation for this interface is two-fold. The methodological requirement is that the interface should allow a heterogeneous system to be built (a design or a testbench) in which some components can be written in a language (or more languages) other than SystemVerilog, hereinafter called the foreign language. On the other hand, there is also a practical need for an easy and efficient way to connect existing code, usually written in C or C++, without the knowledge and the overhead of PLI or VPI.DPI follows the principle of a black box: the specification and the implementation of a component are clearly separated, and the actual implementation is transparent to the rest of the system. Therefore, the actual programming language of the implementation is also transparent, although this standard defines only C linkage semantics. The separation between SystemVerilog code and the foreign language is based on using functions as the natural encapsulation unit in SystemVerilog. By and large, any function can be treated as a black box and implemented either in SystemVerilog or in the foreign language in a transparent way, without changing its calls. (en)
- SystemVerilog DPI，全称SystemVerilog直接编程接口 （英語：SystemVerilog Direct Programming Interface）是SystemVerilog与其他外来编程语言的接口。能够使用的语言包括C语言、C++、SystemC等。直接编程接口由两个层次构成:SystemVerilog层和外来语言层。两个层次相互分离。对于SystemVerilog方面，另一边使用的编程语言是透明的，但它并不关注这一点。SystemVerilog和外来语言的编译器各自并不需要分析另一种语言的代码。由于不触及SystemVerilog层，因此支持使用不同的语言。不过，目前SystemVerilog仅为C语言定义了外来语言层。 (zh)
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- SystemVerilog DPI，全称SystemVerilog直接编程接口 （英語：SystemVerilog Direct Programming Interface）是SystemVerilog与其他外来编程语言的接口。能够使用的语言包括C语言、C++、SystemC等。直接编程接口由两个层次构成:SystemVerilog层和外来语言层。两个层次相互分离。对于SystemVerilog方面，另一边使用的编程语言是透明的，但它并不关注这一点。SystemVerilog和外来语言的编译器各自并不需要分析另一种语言的代码。由于不触及SystemVerilog层，因此支持使用不同的语言。不过，目前SystemVerilog仅为C语言定义了外来语言层。 (zh)
- SystemVerilog DPI (Direct Programming Interface) is an interface which can be used to interface SystemVerilog with foreign languages. These foreign languages can be C, C++, SystemC as well as others. DPIs consist of two layers: a SystemVerilog layer and a foreign language layer. Both the layers are isolated from each other. Which programming language is actually used as the foreign language is transparent and irrelevant for the System-Verilog side of this interface. Neither the SystemVerilog compiler nor the foreign language compiler is required to analyze the source code in the other’s language. Different programming languages can be used and supported with the same intact SystemVerilog layer. For now, however, SystemVerilog defines a foreign language layer only for the C programming lang (en)
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- SystemVerilog DPI (en)
- SystemVerilog DPI (zh)
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