ARM: Decode some media instructions. These are untested.

1 files changed, 54 insertions, 0 deletions

diff --git a/src/arch/arm/isa/decoder.isa b/src/arch/arm/isa/decoder.isa
index c43a550a7..e0715312b 100644
--- a/src/arch/arm/isa/decoder.isa
+++ b/src/arch/arm/isa/decoder.isa
@@ -566,6 +566,60 @@ format DataOp {
                     Rn = Rn + Rm_Imm; }},
                  {{ EA = Rn + Rm_Imm; }});
         }
+        1: decode MEDIA_OPCODE {
+            0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7: WarnUnimpl::parallel_add_subtract_instructions();
+            0x8: decode MISC_OPCODE {
+                0x1, 0x9: WarnUnimpl::pkhbt();
+                0x7: WarnUnimpl::sxtab16();
+                0xb: WarnUnimpl::sel();
+                0x5, 0xd: WarnUnimpl::pkhtb();
+                0x3: WarnUnimpl::sign_zero_extend_add();
+            }
+            0xa, 0xb: decode SHIFT {
+                0x0, 0x2: WarnUnimpl::ssat();
+                0x1: WarnUnimpl::ssat16();
+            }
+            0xe, 0xf: decode SHIFT {
+                0x0, 0x2: WarnUnimpl::usat();
+                0x1: WarnUnimpl::usat16();
+            }
+            0x10: decode RN {
+                0xf: decode MISC_OPCODE {
+                    0x1: WarnUnimpl::smuad();
+                    0x3: WarnUnimpl::smuadx();
+                    0x5: WarnUnimpl::smusd();
+                    0x7: WarnUnimpl::smusdx();
+                }
+                default: decode MISC_OPCODE {
+                    0x1: WarnUnimpl::smlad();
+                    0x3: WarnUnimpl::smladx();
+                    0x5: WarnUnimpl::smlsd();
+                    0x7: WarnUnimpl::smlsdx();
+                }
+            }
+            0x14: decode MISC_OPCODE {
+                0x1: WarnUnimpl::smlald();
+                0x3: WarnUnimpl::smlaldx();
+                0x5: WarnUnimpl::smlsld();
+                0x7: WarnUnimpl::smlsldx();
+            }
+            0x15: decode RN {
+                0xf: decode MISC_OPCODE {
+                    0x1: WarnUnimpl::smmul();
+                    0x3: WarnUnimpl::smmulr();
+                }
+                default: decode MISC_OPCODE {
+                    0x1: WarnUnimpl::smmla();
+                    0x3: WarnUnimpl::smmlar();
+                    0xd: WarnUnimpl::smmls();
+                    0xf: WarnUnimpl::smmlsr();
+                }
+            }
+            0x18: decode RN {
+                0xf: WarnUnimpl::usada8();
+                default: WarnUnimpl::usad8();
+            }
+        }
     }
     0x4: decode PUSWL {
         // Right now we only handle cases when S (PSRUSER) is not set