Add Tercel PHY reset synchronization

[microwatt.git] / decode_types.vhdl

diff --git a/decode_types.vhdl b/decode_types.vhdl
index 5eaef5044bea934d32057672195246816f19c40b..885cc91d79569b79b97c7123dd486c7481a05bca 100644 (file)
--- a/decode_types.vhdl
+++ b/decode_types.vhdl
@@ -11,7 +11,6 @@ package decode_types is
                          OP_FPOP, OP_FPOP_I,
                          OP_ICBI, OP_ICBT, OP_ISEL, OP_ISYNC,
                         OP_LOAD, OP_STORE,
-                         OP_FPLOAD, OP_FPSTORE,
                         OP_MCRXRX, OP_MFCR, OP_MFMSR, OP_MFSPR, OP_MOD,
                         OP_MTCRF, OP_MTMSRD, OP_MTSPR, OP_MUL_L64,
                         OP_MUL_H64, OP_MUL_H32, OP_OR,
@@ -23,10 +22,10 @@ package decode_types is
                          OP_BCD, OP_ADDG6S,
                          OP_FETCH_FAILED
                         );
-    type input_reg_a_t is (NONE, RA, RA_OR_ZERO, SPR, CIA);
+    type input_reg_a_t is (NONE, RA, RA_OR_ZERO, SPR, CIA, FRA);
     type input_reg_b_t is (NONE, RB, CONST_UI, CONST_SI, CONST_SI_HI, CONST_UI_HI, CONST_LI, CONST_BD,
-                           CONST_DXHI4, CONST_DS, CONST_M1, CONST_SH, CONST_SH32, SPR, FRB);
-    type input_reg_c_t is (NONE, RS, RCR, FRS);
+                           CONST_DXHI4, CONST_DS, CONST_DQ, CONST_M1, CONST_SH, CONST_SH32, SPR, FRB);
+    type input_reg_c_t is (NONE, RS, RCR, FRC, FRS);
     type output_reg_a_t is (NONE, RT, RA, SPR, FRT);
     type rc_t is (NONE, ONE, RC);
     type carry_in_t is (ZERO, CA, OV, ONE);
@@ -50,10 +49,17 @@ package decode_types is
     constant TOO_OFFSET : integer := 0;
 
     type unit_t is (NONE, ALU, LDST, FPU);
+    type facility_t is (NONE, FPU);
     type length_t is (NONE, is1B, is2B, is4B, is8B);
 
+    type repeat_t is (NONE,      -- instruction is not repeated
+                      DRSE,      -- double RS, endian twist
+                      DRTE,      -- double RT, endian twist
+                      DUPD);     -- update-form load
+
     type decode_rom_t is record
        unit         : unit_t;
+        facility     : facility_t;
        insn_type    : insn_type_t;
        input_reg_a  : input_reg_a_t;
        input_reg_b  : input_reg_b_t;
@@ -83,15 +89,16 @@ package decode_types is
        lr           : std_ulogic;
 
        sgl_pipe     : std_ulogic;
+        repeat       : repeat_t;
     end record;
-    constant decode_rom_init : decode_rom_t := (unit => NONE,
+    constant decode_rom_init : decode_rom_t := (unit => NONE, facility => NONE,
                                                insn_type => OP_ILLEGAL, input_reg_a => NONE,
                                                input_reg_b => NONE, input_reg_c => NONE,
                                                output_reg_a => NONE, input_cr => '0', output_cr => '0',
                                                invert_a => '0', invert_out => '0', input_carry => ZERO, output_carry => '0',
                                                length => NONE, byte_reverse => '0', sign_extend => '0',
                                                update => '0', reserve => '0', is_32bit => '0',
-                                               is_signed => '0', rc => NONE, lr => '0', sgl_pipe => '0');
+                                               is_signed => '0', rc => NONE, lr => '0', sgl_pipe => '0', repeat => NONE);
 
 end decode_types;