Hello Nikos Nikoleris,

I'd like you to do a code review. Please visit

    https://gem5-review.googlesource.com/4262

to review the following change.


Change subject: sim: Use named constants for pseudo ops
......................................................................

sim: Use named constants for pseudo ops

Use named constants from a shared header instead of magic values when
handling pseudo ops.

Change-Id: If157060bbcd772ce7e8556482b44ca714f4319b1
Signed-off-by: Andreas Sandberg <[email protected]>
Reviewed-by: Nikos Nikoleris <[email protected]>
---
M SConstruct
M src/sim/pseudo_inst.cc
2 files changed, 39 insertions(+), 34 deletions(-)



diff --git a/SConstruct b/SConstruct
index 146b156..e4880e1 100755
--- a/SConstruct
+++ b/SConstruct
@@ -554,6 +554,9 @@
 # the ext directory should be on the #includes path
 main.Append(CPPPATH=[Dir('ext')])

+# Add shared top-level headers
+main.Prepend(CPPPATH=Dir('include'))
+
 def strip_build_path(path, env):
     path = str(path)
     variant_base = env['BUILDROOT'] + os.path.sep
diff --git a/src/sim/pseudo_inst.cc b/src/sim/pseudo_inst.cc
index 778675f..dc37a8c 100644
--- a/src/sim/pseudo_inst.cc
+++ b/src/sim/pseudo_inst.cc
@@ -51,6 +51,8 @@
 #include <string>
 #include <vector>

+#include <gem5/asm/generic/m5ops.h>
+
 #include "arch/kernel_stats.hh"
 #include "arch/pseudo_inst.hh"
 #include "arch/utility.hh"
@@ -109,111 +111,111 @@
     }

     switch (func) {
-      case 0x00: // arm_func
+      case M5OP_ARM:
         arm(tc);
         break;

-      case 0x01: // quiesce_func
+      case M5OP_QUIESCE:
         quiesce(tc);
         break;

-      case 0x02: // quiescens_func
-        quiesceSkip(tc);
-        break;
-
-      case 0x03: // quiescecycle_func
+      case M5OP_QUIESCE_NS:
         quiesceNs(tc, args[0]);
         break;

-      case 0x04: // quiescetime_func
+      case M5OP_QUIESCE_CYCLE:
+        quiesceCycles(tc, args[0]);
+        break;
+
+      case M5OP_QUIESCE_TIME:
         return quiesceTime(tc);

-      case 0x07: // rpns_func
+      case M5OP_RPNS:
         return rpns(tc);

-      case 0x09: // wakecpu_func
+      case M5OP_WAKE_CPU:
         wakeCPU(tc, args[0]);
         break;

-      case 0x21: // exit_func
+      case M5OP_EXIT:
         m5exit(tc, args[0]);
         break;

-      case 0x22:
+      case M5OP_FAIL:
         m5fail(tc, args[0], args[1]);
         break;

-      case 0x30: // initparam_func
+      case M5OP_INIT_PARAM:
         return initParam(tc, args[0], args[1]);

-      case 0x31: // loadsymbol_func
+      case M5OP_LOAD_SYMBOL:
         loadsymbol(tc);
         break;

-      case 0x40: // resetstats_func
+      case M5OP_RESET_STATS:
         resetstats(tc, args[0], args[1]);
         break;

-      case 0x41: // dumpstats_func
+      case M5OP_DUMP_STATS:
         dumpstats(tc, args[0], args[1]);
         break;

-      case 0x42: // dumprststats_func
+      case M5OP_DUMP_RESET_STATS:
         dumpresetstats(tc, args[0], args[1]);
         break;

-      case 0x43: // ckpt_func
+      case M5OP_CHECKPOINT:
         m5checkpoint(tc, args[0], args[1]);
         break;

-      case 0x4f: // writefile_func
+      case M5OP_WRITE_FILE:
         return writefile(tc, args[0], args[1], args[2], args[3]);

-      case 0x50: // readfile_func
+      case M5OP_READ_FILE:
         return readfile(tc, args[0], args[1], args[2]);

-      case 0x51: // debugbreak_func
+      case M5OP_DEBUG_BREAK:
         debugbreak(tc);
         break;

-      case 0x52: // switchcpu_func
+      case M5OP_SWITCH_CPU:
         switchcpu(tc);
         break;

-      case 0x53: // addsymbol_func
+      case M5OP_ADD_SYMBOL:
         addsymbol(tc, args[0], args[1]);
         break;

-      case 0x54: // panic_func
+      case M5OP_PANIC:
         panic("M5 panic instruction called at %s\n", tc->pcState());

-      case 0x5a: // work_begin_func
+      case M5OP_WORK_BEGIN:
         workbegin(tc, args[0], args[1]);
         break;

-      case 0x5b: // work_end_func
+      case M5OP_WORK_END:
         workend(tc, args[0], args[1]);
         break;

-      case 0x55: // annotate_func
-      case 0x56: // reserved2_func
-      case 0x57: // reserved3_func
-      case 0x58: // reserved4_func
-      case 0x59: // reserved5_func
+      case M5OP_ANNOTATE:
+      case M5OP_RESERVED2:
+      case M5OP_RESERVED3:
+      case M5OP_RESERVED4:
+      case M5OP_RESERVED5:
         warn("Unimplemented m5 op (0x%x)\n", func);
         break;

       /* SE mode functions */
-      case 0x60: // syscall_func
+      case M5OP_SE_SYSCALL:
         m5Syscall(tc);
         break;

-      case 0x61: // pagefault_func
+      case M5OP_SE_PAGE_FAULT:
         m5PageFault(tc);
         break;

       /* dist-gem5 functions */
-      case 0x62: // distToggleSync_func
+      case M5OP_DIST_TOGGLE_SYNC:
         togglesync(tc);
         break;


--
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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: If157060bbcd772ce7e8556482b44ca714f4319b1
Gerrit-Change-Number: 4262
Gerrit-PatchSet: 1
Gerrit-Owner: Andreas Sandberg <[email protected]>
Gerrit-Reviewer: Nikos Nikoleris <[email protected]>
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