arch-power: Add DARN instruction

* Added DARN instruction.
* Right now not returning random number, Just Setting value to -1.
* Need to FIX that instruction.

Change-Id: I9b6fd7557232c16fda144f4a424bfffb62de33cc
Signed-off-by: kajoljain379 <kajoljain797@gmail.com>

diff --git a/src/arch/power/isa/decoder.isa b/src/arch/power/isa/decoder.isa
index 239b4e9c0f0b6612200209e049ddc2abf26e3d4e..a2f12b42726985fa94a7447e5ea6217bf90c75e0 100644 (file)
--- a/src/arch/power/isa/decoder.isa
+++ b/src/arch/power/isa/decoder.isa
@@ -484,6 +484,14 @@ decode PO default Unknown::unknown() {
                 }
             }});
 
+         //TODO: Right now we doesn't support DARN instruction
+         // Not returning random number, Just Setting value to -1.
+         //Need to FIX that instruction
+
+             755: darn({{
+                  Rt = -1;
+            }});
+
             777: modsd({{
                 int64_t src1 = Ra_sd;
                 int64_t src2 = Rb_sd;