Make it so the quiesce instruction is conditionally enabled

arch/alpha/isa_desc:
    move the quiesce instruction out of here so I can conditionally
    enable it.
arch/alpha/pseudo_inst.cc:
    conditionally enable quiesce
arch/alpha/pseudo_inst.hh:
    add quiesce

--HG--
extra : convert_revision : e1c474c4bf8761ff58073785d82b2bec9f632885

3 files changed, 22 insertions, 7 deletions

diff --git a/arch/alpha/isa_desc b/arch/alpha/isa_desc
index ec9fd183a..4364bae34 100644
--- a/arch/alpha/isa_desc
+++ b/arch/alpha/isa_desc
@@ -2410,11 +2410,8 @@ decode OPCODE default Unknown::unknown() {
 		}
 	    }});
 	    0x01: quiesce({{
-		if (!xc->misspeculating()) {
-		    Annotate::QUIESCE(xc);
-		    xc->setStatus(ExecContext::Suspended);
-		    xc->kernelStats.quiesce();
-		}
+		if (!xc->misspeculating())
+		    AlphaPseudo::quiesce(xc);
 	    }});
 	    0x10: ivlb({{
 		if (!xc->misspeculating()) {
diff --git a/arch/alpha/pseudo_inst.cc b/arch/alpha/pseudo_inst.cc
index f8e0036ba..c62de3ce6 100644
--- a/arch/alpha/pseudo_inst.cc
+++ b/arch/alpha/pseudo_inst.cc
@@ -30,6 +30,7 @@
 
 #include "arch/alpha/pseudo_inst.hh"
 #include "cpu/exec_context.hh"
+#include "sim/annotation.hh"
 #include "sim/param.hh"
 #include "sim/serialize.hh"
 #include "sim/sim_exit.hh"
@@ -42,6 +43,18 @@ namespace AlphaPseudo
 {
     bool doStatisticsInsts;
     bool doCheckpointInsts;
+    bool doQuiesce;
+
+    void
+    quiesce(ExecContext *xc)
+    {
+        if (!doQuiesce)
+            return;
+
+        Annotate::QUIESCE(xc);
+        xc->setStatus(ExecContext::Suspended);
+        xc->kernelStats.quiesce();
+    }
 
     void
     m5exit_old(ExecContext *xc)
@@ -126,16 +139,20 @@ namespace AlphaPseudo
 
     Context context("PseudoInsts");
 
+    Param<bool> __quiesce(&context, "quiesce",
+                          "enable quiesce instructions",
+                          true);
     Param<bool> __statistics(&context, "statistics",
-                             "enable the statistics pseudo instructions",
+                             "enable statistics pseudo instructions",
                              true);
     Param<bool> __checkpoint(&context, "checkpoint",
-                             "enable the checkpoint pseudo instructions",
+                             "enable checkpoint pseudo instructions",
                              true);
 
     void
     Context::checkParams()
     {
+        doQuiesce = __quiesce;
         doStatisticsInsts = __statistics;
         doCheckpointInsts = __checkpoint;
     }
diff --git a/arch/alpha/pseudo_inst.hh b/arch/alpha/pseudo_inst.hh
index b212a392c..60031f8cd 100644
--- a/arch/alpha/pseudo_inst.hh
+++ b/arch/alpha/pseudo_inst.hh
@@ -30,6 +30,7 @@ class ExecContext;
 
 namespace AlphaPseudo
 {
+    void quiesce(ExecContext *xc);
     void m5exit(ExecContext *xc);
     void m5exit_old(ExecContext *xc);
     void resetstats(ExecContext *xc);