[gem5-dev] Change in gem5/gem5[master]: systemc: Implement some simple accessor functions in sc_main.cc.

[Gabe Black (Gerrit)]

Gabe Black has uploaded this change for review. (  
https://gem5-review.googlesource.com/10847

Change subject: systemc: Implement some simple accessor functions in  
sc_main.cc.
......................................................................

systemc: Implement some simple accessor functions in sc_main.cc.

These functions just read or write values with minimal amounts of
logic.

Change-Id: I22d5b49a2550a88a854d1619f08b0055c1312271
---
M src/systemc/core/sc_main.cc
1 file changed, 18 insertions(+), 11 deletions(-)



diff --git a/src/systemc/core/sc_main.cc b/src/systemc/core/sc_main.cc
index 2a38b41..815be9b 100644
--- a/src/systemc/core/sc_main.cc
+++ b/src/systemc/core/sc_main.cc
@@ -33,6 +33,7 @@
 #include "python/pybind11/pybind.hh"
 #include "sim/init.hh"
 #include "systemc/ext/core/sc_main.hh"
+#include "systemc/ext/utils/sc_report_handler.hh"

 // A default version of this function in case one isn't otherwise defined.
 // This ensures everything will link properly whether or not the user  
defined
@@ -107,6 +108,11 @@
 }
 EmbeddedPyBind embed_("systemc", &systemc_pybind);

+sc_stop_mode _stop_mode = SC_STOP_FINISH_DELTA;
+sc_status _status = SC_ELABORATION;
+
+uint64_t _deltaCycles = 0;
+
 } // anonymous namespace

 int
@@ -136,14 +142,18 @@
 void
 sc_set_stop_mode(sc_stop_mode mode)
 {
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+    if (sc_is_running()) {
+        SC_REPORT_ERROR("attempt to set sc_stop mode "
+                        "after start will be ignored", "");
+        return;
+    }
+    _stop_mode = mode;
 }

 sc_stop_mode
 sc_get_stop_mode()
 {
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-    return SC_STOP_FINISH_DELTA;
+    return _stop_mode;
 }

 void
@@ -162,15 +172,13 @@
 sc_dt::uint64
 sc_delta_count()
 {
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-    return 0;
+    return _deltaCycles;
 }

 bool
 sc_is_running()
 {
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-    return false;
+    return _status & (SC_RUNNING | SC_PAUSED);
 }

 bool
@@ -190,8 +198,8 @@
 bool
 sc_pending_activity()
 {
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-    return false;
+    return sc_pending_activity_at_current_time() ||
+           sc_pending_activity_at_future_time();
 }

 sc_time
@@ -204,8 +212,7 @@
 sc_status
 sc_get_status()
 {
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-    return SC_ELABORATION;
+    return _status;
 }

 } // namespace sc_core

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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: I22d5b49a2550a88a854d1619f08b0055c1312271
Gerrit-Change-Number: 10847
Gerrit-PatchSet: 1
Gerrit-Owner: Gabe Black <gabebl...@google.com>
Gerrit-MessageType: newchange
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