github/verilator
1
0
Fork 1
mirror of https://github.com/verilator/verilator.git synced 2025-01-19 12:54:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

Support SystemC 3.0.0 public review version (#4805) (#4807)

Browse Source
This commit is contained in:
Anthony Donlon 2024-01-06 19:01:35 +08:00 committed by GitHub
parent acbbb2594a
commit 7507c5f56c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 41 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
include/verilated_sc_trace.h
View File

@ -24,8 +24,13 @@
#include "verilated.h"
#include "verilated_sc.h"
#if SYSTEMC_VERSION < 20140417 // SystemC's simulation phase callback introduced in 2.3.1
#define _VERILATOR_SYSTEMC_NO_PHASE_CALLBACK
#if SYSTEMC_VERSION >= 20140417 && SYSTEMC_VERSION < 20231124
// SystemC's simulation phase callback introduced in 2.3.1, and removed since 3.0.0 (PubRev)
#define _VL_HAVE_SYSTEMC_PHASE_CALLBACK
#endif
#if SYSTEMC_VERSION >= 20231124
// SystemC's stage callback introduced in 3.0.0 (PubRev)
#define _VL_HAVE_SYSTEMC_STAGE_CALLBACK
#endif
//=============================================================================
@ -49,6 +54,9 @@
/// instead.
class VerilatedScTraceBase VL_NOT_FINAL : private sc_core::sc_object,
#ifdef _VL_HAVE_SYSTEMC_STAGE_CALLBACK
private sc_core::sc_stage_callback_if,
#endif
private sc_core::sc_trace_file {
bool m_enableDeltaCycles = false;
bool m_traceFileAdded = false;
@ -56,8 +64,8 @@ class VerilatedScTraceBase VL_NOT_FINAL : private sc_core::sc_object,
public:
void enableDeltaCycles(bool flag = true) {
#ifndef _VERILATOR_SYSTEMC_NO_PHASE_CALLBACK
using namespace sc_core;
#ifdef _VL_HAVE_SYSTEMC_PHASE_CALLBACK
// Save old report handler before overriding it
const auto oldHandler = sc_report_handler::get_handler();
// Override the old handler to hide 'phase callbacks not enabled' message
@ -70,6 +78,13 @@ public:
}
// Restore the old handler
sc_report_handler::set_handler(oldHandler);
#endif
#ifdef _VL_HAVE_SYSTEMC_STAGE_CALLBACK
if (flag) {
sc_register_stage_callback(*this, SC_POST_UPDATE);
} else {
sc_unregister_stage_callback(*this, SC_POST_UPDATE);
}
#endif
m_enableDeltaCycles = flag;
}
@ -81,15 +96,20 @@ protected:
registerTraceCallback();
};
~VerilatedScTraceBase() override {
#if SYSTEMC_VERSION >= 20140417 // remove_trace_file added in 2.3.1
using namespace sc_core;
#if SYSTEMC_VERSION >= 20140417 && SYSTEMC_VERSION < 20231124
// remove_trace_file added in 2.3.1 and removed in 3.0.0
// Phase callback is automatically unregistered in ~sc_object(). Only the trace file is
// needed to be removed here
if (m_traceFileAdded) simcontext()->remove_trace_file(this);
#endif
#ifdef _VL_HAVE_SYSTEMC_STAGE_CALLBACK
sc_unregister_stage_callback(*this, SC_PRE_TIMESTEP | SC_POST_UPDATE);
#endif
};
void registerTraceCallback() {
#ifndef _VERILATOR_SYSTEMC_NO_PHASE_CALLBACK
using namespace sc_core;
#ifdef _VL_HAVE_SYSTEMC_PHASE_CALLBACK
// Save old report handler before overriding it
const auto oldHandler = sc_report_handler::get_handler();
// Override the old handler to hide 'phase callbacks not enabled' message
@ -98,13 +118,18 @@ protected:
phase_cb_mask cb_mask = sc_object::register_simulation_phase_callback(SC_BEFORE_TIMESTEP);
if (cb_mask == SC_UNITIALIZED) {
#endif
#if SYSTEMC_VERSION < 20231124 // add_trace_file removed in 3.0.0
// Phase callback not enabled, use trace file instead
simcontext()->add_trace_file(this);
m_traceFileAdded = true;
#ifndef _VERILATOR_SYSTEMC_NO_PHASE_CALLBACK
#endif
#ifdef _VL_HAVE_SYSTEMC_PHASE_CALLBACK
}
// Restore the old handler
sc_report_handler::set_handler(oldHandler);
#endif
#ifdef _VL_HAVE_SYSTEMC_STAGE_CALLBACK
sc_register_stage_callback(*this, SC_PRE_TIMESTEP);
#endif
}
static std::string getScTimeUnit() {
@ -129,9 +154,13 @@ protected:
}
// METHODS - for SC kernel
#ifndef _VERILATOR_SYSTEMC_NO_PHASE_CALLBACK
#ifdef _VL_HAVE_SYSTEMC_PHASE_CALLBACK
// Override sc_object. Called if using phase callback
void simulation_phase_callback() final { cycle(); }
#endif
#ifdef _VL_HAVE_SYSTEMC_STAGE_CALLBACK
// Override sc_stage_callback_if. Called if using stage callback
void stage_callback(const sc_core::sc_stage&) final { cycle(); }
#endif
// Override sc_trace_file. Called if using trace file
void cycle(bool delta_cycle) final {
@ -205,8 +234,11 @@ private:
#undef DECL_TRACE_METHOD_B
};
#ifdef _VERILATOR_SYSTEMC_NO_PHASE_CALLBACK
#undef _VERILATOR_SYSTEMC_NO_PHASE_CALLBACK
#ifdef _VL_HAVE_SYSTEMC_PHASE_CALLBACK
#undef _VL_HAVE_SYSTEMC_PHASE_CALLBACK
#endif
#ifdef _VL_HAVE_SYSTEMC_STAGE_CALLBACK
#undef _VL_HAVE_SYSTEMC_STAGE_CALLBACK
#endif
#endif // Guard