Add Tercel PHY reset synchronization

[microwatt.git] / insn_helpers.vhdl

diff --git a/insn_helpers.vhdl b/insn_helpers.vhdl
index 88120445484eec7c63b590f53d247df32c84e42b..2ddcadb005fd393ec6f37234d2d9bf23f6030a83 100644 (file)
--- a/insn_helpers.vhdl
+++ b/insn_helpers.vhdl
@@ -6,6 +6,7 @@ package insn_helpers is
     function insn_rt (insn_in : std_ulogic_vector) return std_ulogic_vector;
     function insn_ra (insn_in : std_ulogic_vector) return std_ulogic_vector;
     function insn_rb (insn_in : std_ulogic_vector) return std_ulogic_vector;
+    function insn_rcreg (insn_in : std_ulogic_vector) return std_ulogic_vector;
     function insn_si (insn_in : std_ulogic_vector) return std_ulogic_vector;
     function insn_ui (insn_in : std_ulogic_vector) return std_ulogic_vector;
     function insn_l (insn_in : std_ulogic_vector) return std_ulogic;
@@ -30,11 +31,18 @@ package insn_helpers is
     function insn_bh (insn_in : std_ulogic_vector) return std_ulogic_vector;
     function insn_d (insn_in : std_ulogic_vector) return std_ulogic_vector;
     function insn_ds (insn_in : std_ulogic_vector) return std_ulogic_vector;
+    function insn_dq (insn_in : std_ulogic_vector) return std_ulogic_vector;
+    function insn_dx (insn_in : std_ulogic_vector) return std_ulogic_vector;
     function insn_to (insn_in : std_ulogic_vector) return std_ulogic_vector;
     function insn_bc (insn_in : std_ulogic_vector) return std_ulogic_vector;
     function insn_sh (insn_in : std_ulogic_vector) return std_ulogic_vector;
     function insn_me (insn_in : std_ulogic_vector) return std_ulogic_vector;
     function insn_mb (insn_in : std_ulogic_vector) return std_ulogic_vector;
+    function insn_frt (insn_in : std_ulogic_vector) return std_ulogic_vector;
+    function insn_fra (insn_in : std_ulogic_vector) return std_ulogic_vector;
+    function insn_frb (insn_in : std_ulogic_vector) return std_ulogic_vector;
+    function insn_frc (insn_in : std_ulogic_vector) return std_ulogic_vector;
+    function insn_u (insn_in : std_ulogic_vector) return std_ulogic_vector;
 end package insn_helpers;
 
 package body insn_helpers is
@@ -58,6 +66,11 @@ package body insn_helpers is
         return insn_in(15 downto 11);
     end;
 
+    function insn_rcreg (insn_in : std_ulogic_vector) return std_ulogic_vector is
+    begin
+        return insn_in(10 downto 6);
+    end;
+
     function insn_si (insn_in : std_ulogic_vector) return std_ulogic_vector is
     begin
         return insn_in(15 downto 0);
@@ -178,6 +191,16 @@ package body insn_helpers is
         return insn_in(15 downto 2);
     end;
 
+    function insn_dq (insn_in : std_ulogic_vector) return std_ulogic_vector is
+    begin
+        return insn_in(15 downto 4);
+    end;
+
+    function insn_dx (insn_in : std_ulogic_vector) return std_ulogic_vector is
+    begin
+        return insn_in(15 downto 6) & insn_in(20 downto 16) & insn_in(0);
+    end;
+
     function insn_to (insn_in : std_ulogic_vector) return std_ulogic_vector is
     begin
         return insn_in(25 downto 21);
@@ -202,4 +225,29 @@ package body insn_helpers is
     begin
         return insn_in(5) & insn_in(10 downto 6);
     end;
+
+    function insn_frt(insn_in : std_ulogic_vector) return std_ulogic_vector is
+    begin
+        return insn_in(25 downto 21);
+    end;
+
+    function insn_fra(insn_in : std_ulogic_vector) return std_ulogic_vector is
+    begin
+        return insn_in(20 downto 16);
+    end;
+
+    function insn_frb(insn_in : std_ulogic_vector) return std_ulogic_vector is
+    begin
+        return insn_in(15 downto 11);
+    end;
+
+    function insn_frc(insn_in : std_ulogic_vector) return std_ulogic_vector is
+    begin
+        return insn_in(10 downto 6);
+    end;
+
+    function insn_u(insn_in : std_ulogic_vector) return std_ulogic_vector is
+    begin
+        return insn_in(15 downto 12);
+    end;
 end package body insn_helpers;