OpenVera is a programming language created in 2001.
| #497on PLDB | 23Years Old |
OpenVera is a hardware verification language developed and managed by Synopsys. OpenVera is an interoperable, open hardware verification language for testbench creation. The OpenVera language was used as the basis for the advanced verification features in the IEEE Std. Read more on Wikipedia...
// This Examples shows how random
// Test vectors is generated
// This is base object
class m_base_o {
rand bit [7:0] addr ;
rand bit [7:0] data ;
rand bit rd_wr;
constraint c1 {
addr > 0;
data > 0;
}
task print() {
printf ("-------------------------\n");
printf ("Address : %x\n",addr);
printf ("Data : %x\n",data);
printf ("Write : %x\n",rd_wr);
}
}
// This is transcation generator
class txgen {
m_base_o base_ob;
integer num_cmds;
integer i,s;
// Method to generate commands
task gen_tx () {
base_ob = new();
// Generate num_cmds commands
for ( i = 0; i < num_cmds; i ++) {
s = base_ob.randomize();
base_ob.print();
}
}
}
// Top level for any vera testbench
program memory {
txgen tx;
tx = new();
tx.num_cmds = 5;
tx.gen_tx();
}| Feature | Supported | Token | Example |
|---|---|---|---|
| Comments | ✓ | // A comment |
|
| Line Comments | ✓ | // | // A comment |
| Semantic Indentation | X |