aboutsummaryrefslogtreecommitdiff
path: root/ARMeilleure/Decoders/OpCodeMemLit.cs
diff options
context:
space:
mode:
Diffstat (limited to 'ARMeilleure/Decoders/OpCodeMemLit.cs')
-rw-r--r--ARMeilleure/Decoders/OpCodeMemLit.cs26
1 files changed, 26 insertions, 0 deletions
diff --git a/ARMeilleure/Decoders/OpCodeMemLit.cs b/ARMeilleure/Decoders/OpCodeMemLit.cs
new file mode 100644
index 00000000..b80585cb
--- /dev/null
+++ b/ARMeilleure/Decoders/OpCodeMemLit.cs
@@ -0,0 +1,26 @@
+namespace ARMeilleure.Decoders
+{
+ class OpCodeMemLit : OpCode, IOpCodeLit
+ {
+ public int Rt { get; private set; }
+ public long Immediate { get; private set; }
+ public int Size { get; private set; }
+ public bool Signed { get; private set; }
+ public bool Prefetch { get; private set; }
+
+ public OpCodeMemLit(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
+ {
+ Rt = opCode & 0x1f;
+
+ Immediate = (long)address + DecoderHelper.DecodeImmS19_2(opCode);
+
+ switch ((opCode >> 30) & 3)
+ {
+ case 0: Size = 2; Signed = false; Prefetch = false; break;
+ case 1: Size = 3; Signed = false; Prefetch = false; break;
+ case 2: Size = 2; Signed = true; Prefetch = false; break;
+ case 3: Size = 0; Signed = false; Prefetch = true; break;
+ }
+ }
+ }
+} \ No newline at end of file