1 files changed, 24 insertions, 0 deletions
diff --git a/core/pkg/riscv_types.sv b/core/pkg/riscv_types.sv
index 3d68331..48ca87b 100644
--- a/core/pkg/riscv_types.sv
+++ b/core/pkg/riscv_types.sv
@@ -11,4 +11,28 @@ package riscv_types;
       INSTR_TYPE_REG   = 7'b0110011, // R arith ops with register operands 
       INSTR_TYPE_CSR   = 7'b1110011  // I control and status register
   } opcode_t;
+
+  typedef enum logic [1:0] {
+    MEM_OP_LOAD,
+    MEM_OP_STORE,
+    MEM_OP_NONE
+  } mem_op_t;
+
+  typedef enum logic [1:0] {
+    REG_IMM_OFFSET,
+    PC_IMM_OFFSET,
+    OFFSET_NONE
+  } brjmp_op_t;
+
+  typedef enum logic [1:0] {
+    RS1,
+    PC,
+    OP_NONE
+  } aluSelOp1_t;
+
+  typedef enum logic {
+    RS2,
+    IMM
+  } aluSelOp2_t;
+
 endpackage