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Add +verilator+assert+lock to ignore RTL assert control statements (#8086)

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Co-authored-by: Sumanth Kadiyala <[email protected]>
This commit is contained in:
Sumanth Kadiyala
2026-08-12 19:13:02 -04:00
committed by GitHub
co-authored by Sumanth Kadiyala
parent 0ebb92da26
commit 44fe96b2da
8 changed files with 168 additions and 2 deletions
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test_regress/t/t_assert_ctl_arg.cpp
+26
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@@ -138,8 +138,34 @@ void verilatedTest() {
contextp->assertCtl(FAIL_ON, TYPE, DIRECTIVE);
TEST_CHECK_NZ(contextp->assertCtlGet(Query::ASSERT_CTL_FAIL_ON, TYPE, DIRECTIVE));
}
void verilatedLockedTest() {
// With +verilator+assert+lock, every assertion-control update is a no-op
const std::unique_ptr<VerilatedContext> contextp{new VerilatedContext};
// Clear some bits to test assertOnSet
contextp->assertOnClear(2, 3);
const char* argsp[] = {"+verilator+assert+lock"};
contextp->commandArgsAdd(1, argsp);
TEST_CHECK_EQ(contextp->assertCtlsLocked(), true);
// Validate each assert control API call is a no-op
contextp->assertOn(false);
TEST_CHECK_NZ(contextp->assertOn());
contextp->assertOnSet(2, 3);
TEST_CHECK_Z(contextp->assertOnGet(2, 3));
contextp->assertOnClear(1, 1);
TEST_CHECK_NZ(contextp->assertOnGet(1, 1));
contextp->assertCtl(4, 4, 1);
TEST_CHECK_NZ(contextp->assertOnGet(4, 1));
}
int main(int argc, char** argv) {
verilatedTest();
verilatedLockedTest();
if (errors) return 10;
const std::unique_ptr<VerilatedContext> contextp{new VerilatedContext};