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uvm_hdl——DPI在UVM中的实现(四)
2022-07-25 22:55:00 【黄埔数据分析】
http://t.zoukankan.com/dpc525-p-8066518.html
我们可以在uvm中实现HDL的后门访问,具体包括的function有uvm_hdl_check_path,uvm_hdl_deposit, uvm_hdl_force,uvm_hdl_release,uvm_hdl_read, task 有uvm_hdl_force_time。 这么做与直接用SV中force, release 有什么区别,有什么好处?这么做的话函数的输入是字符串而不是HDL(hardware description language, 硬件描述语言 )的层次结构。有了字符串就可以模块化了(函数),首先来看uvm_hdl.svh的源代码,当定义了UVM_HDL_NO_DPI,而用户由调用了HDL DPI相关的函数,这时会报错。
// TITLE: UVM HDL Backdoor Access support routines.
//
// These routines provide an interface to the DPI/PLI
// implementation of backdoor access used by registers.
//
// If you DON'T want to use the DPI HDL AP边栏推荐
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