m5ops: clean up the m5ops stuff.

- insert warnings for deprecated m5ops
- reserve opcodes for Ali's stuff
- remove code for stuff that has been deprecated forever
- simplify m5op_alpha

src/arch/alpha/isa/decoder.isa

@@ -806,14 +806,15 @@ decode OPCODE default Unknown::unknown() {
             0x04: quiesceTime({{
                 R0 = PseudoInst::quiesceTime(xc->tcBase());
             }}, IsNonSpeculative, IsUnverifiable);
-            0x10: ivlb({{
-                warn_once("Obsolete M5 instruction ivlb encountered.\n");
+            0x10: deprecated_ivlb({{
+                warn_once("Obsolete M5 ivlb instruction encountered.\n");
             }});
-            0x11: ivle({{
-                warn_once("Obsolete M5 instruction ivlb encountered.\n");
+            0x11: deprecated_ivle({{
+                warn_once("Obsolete M5 ivlb instruction encountered.\n");
             }});
-            0x20: m5exit_old({{
-                PseudoInst::m5exit_old(xc->tcBase());
+            0x20: deprecated_exit ({{
+                warn_once("deprecated M5 exit instruction encountered.\n");
+                PseudoInst::m5exit(xc->tcBase(), 0);
             }}, No_OpClass, IsNonSpeculative);
             0x21: m5exit({{
                 PseudoInst::m5exit(xc->tcBase(), R16);
@@ -821,7 +822,9 @@ decode OPCODE default Unknown::unknown() {
             0x31: loadsymbol({{
                 PseudoInst::loadsymbol(xc->tcBase());
             }}, No_OpClass, IsNonSpeculative);
-            0x30: initparam({{ Ra = xc->tcBase()->getCpuPtr()->system->init_param; }});
+            0x30: initparam({{
+                Ra = xc->tcBase()->getCpuPtr()->system->init_param;
+            }});
             0x40: resetstats({{
                 PseudoInst::resetstats(xc->tcBase(), R16, R17);
             }}, IsNonSpeculative);
@@ -849,11 +852,20 @@ decode OPCODE default Unknown::unknown() {
             0x54: m5panic({{
                 panic("M5 panic instruction called at pc=%#x.", xc->readPC());
             }}, IsNonSpeculative);
-            0x55: m5anBegin({{
-                PseudoInst::anBegin(xc->tcBase(), R16);
+            0x55: m5reserved1({{
+                warn("M5 reserved opcode ignored");
             }}, IsNonSpeculative);
-            0x56: m5anWait({{
-                PseudoInst::anWait(xc->tcBase(), R16, R17);
+            0x56: m5reserved2({{
+                warn("M5 reserved opcode ignored");
+            }}, IsNonSpeculative);
+            0x57: m5reserved3({{
+                warn("M5 reserved opcode ignored");
+            }}, IsNonSpeculative);
+            0x58: m5reserved4({{
+                warn("M5 reserved opcode ignored");
+            }}, IsNonSpeculative);
+            0x59: m5reserved5({{
+                warn("M5 reserved opcode ignored");
             }}, IsNonSpeculative);
         }
     }

src/sim/pseudo_inst.cc

@@ -123,12 +123,6 @@ quiesceTime(ThreadContext *tc)
     return (tc->readLastActivate() - tc->readLastSuspend()) / Clock::Int::ns;
 }
 
-void
-m5exit_old(ThreadContext *tc)
-{
-    exitSimLoop("m5_exit_old instruction encountered");
-}
-
 void
 m5exit(ThreadContext *tc, Tick delay)
 {
@@ -222,21 +216,6 @@ addsymbol(ThreadContext *tc, Addr addr, Addr symbolAddr)
     tc->getSystemPtr()->kernelSymtab->insert(addr,symbol);
 }
 
-void
-anBegin(ThreadContext *tc, uint64_t cur)
-{
-    Annotate::annotations.add(tc->getSystemPtr(), 0, cur >> 32, cur &
-                              0xFFFFFFFF, 0,0);
-}
-
-void
-anWait(ThreadContext *tc, uint64_t cur, uint64_t wait)
-{
-    Annotate::annotations.add(tc->getSystemPtr(), 0, cur >> 32, cur &
-                              0xFFFFFFFF, wait >> 32, wait & 0xFFFFFFFF);
-}
-
-
 void
 dumpresetstats(ThreadContext *tc, Tick delay, Tick period)
 {

src/sim/pseudo_inst.hh

@@ -48,7 +48,6 @@ void quiesceNs(ThreadContext *tc, uint64_t ns);
 void quiesceCycles(ThreadContext *tc, uint64_t cycles);
 uint64_t quiesceTime(ThreadContext *tc);
 void m5exit(ThreadContext *tc, Tick delay);
-void m5exit_old(ThreadContext *tc);
 void loadsymbol(ThreadContext *xc);
 void resetstats(ThreadContext *tc, Tick delay, Tick period);
 void dumpstats(ThreadContext *tc, Tick delay, Tick period);
@@ -59,7 +58,5 @@ uint64_t readfile(ThreadContext *tc, Addr vaddr, uint64_t len,
 void debugbreak(ThreadContext *tc);
 void switchcpu(ThreadContext *tc);
 void addsymbol(ThreadContext *tc, Addr addr, Addr symbolAddr);
-void anBegin(ThreadContext *tc, uint64_t cur);
-void anWait(ThreadContext *tc, uint64_t cur, uint64_t wait);
 
 /* namespace PsuedoInst */ }