luke/verilator
1
0
Fork 0
mirror of https://github.com/verilator/verilator.git synced 2026-08-30 01:38:21 +02:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files
include/verilated.cpp
+16 -2
View File
@@ -3092,6 +3092,7 @@ VerilatedContext::Serialized::Serialized() {
bool VerilatedContext::assertOn() const VL_MT_SAFE { return m_s.m_assertOn; }
void VerilatedContext::assertOn(bool flag) VL_MT_SAFE {
if (assertCtlsLocked()) return;
// Set all assert and directive types when true, clear otherwise.
m_s.m_assertOn = VL_MASK_I(ASSERT_ON_WIDTH) * flag;
}
@@ -3110,16 +3111,26 @@ uint32_t VerilatedContext::assertOnMask(VerilatedAssertType_t types,
}
void VerilatedContext::assertOnSet(VerilatedAssertType_t types,
VerilatedAssertDirectiveType_t directives) VL_MT_SAFE {
if (assertCtlsLocked()) return;
m_s.m_assertOn |= assertOnMask(types, directives);
}
void VerilatedContext::assertOnClear(VerilatedAssertType_t types,
VerilatedAssertDirectiveType_t directives) VL_MT_SAFE {
if (assertCtlsLocked()) return;
m_s.m_assertOn &= ~assertOnMask(types, directives);
}
bool VerilatedContext::assertCtlsLocked() const VL_MT_SAFE {
return m_ns.m_assertCtlsLocked;
}
void VerilatedContext::assertCtlsLocked(bool flag) VL_MT_SAFE {
m_ns.m_assertCtlsLocked = flag;
}
void VerilatedContext::assertCtl(uint32_t controlType, VerilatedAssertType_t types,
VerilatedAssertDirectiveType_t directives) VL_MT_SAFE {
// IEEE 1800-2023 Table 20-5 control_type. Lock freezes the On/Off state of the
// selected bits until Unlock; On/Off/Kill leave locked bits unchanged.
// +verilator+assert+lock freezes everything, including Lock/Unlock itself.
if (assertCtlsLocked()) return;
const uint32_t mask = assertOnMask(types, directives);
const uint32_t lockedMask = mask & ~m_s.m_assertLock;
switch (controlType) {
@@ -3570,7 +3581,9 @@ void VerilatedContextImp::commandArgVl(const std::string& arg) {
if (0 == std::strncmp(arg.c_str(), "+verilator+", std::strlen("+verilator+"))) {
std::string str;
uint64_t u64;
if (commandArgVlString(arg, "+verilator+coverage+file+", str)) {
if (arg == "+verilator+assert+lock") {
assertCtlsLocked(true);
} else if (commandArgVlString(arg, "+verilator+coverage+file+", str)) {
coverageFilename(str);
} else if (arg == "+verilator+debug") {
Verilated::debug(4);
@@ -3589,7 +3602,8 @@ void VerilatedContextImp::commandArgVl(const std::string& arg) {
logFilename(str);
logOutputToFile(false /* append */);
} else if (arg == "+verilator+noassert") {
assertOn(false);
// Set directly on to avoid conflicts with +verilator+assert+lock
m_s.m_assertOn = 0;
} else if (commandArgVlUint64(arg, "+verilator+prof+exec+start+", u64)) {
profExecStart(u64);
} else if (commandArgVlUint64(arg, "+verilator+prof+exec+window+", u64, 1)) {