2 use ieee.std_logic_1164.all;
3 use ieee.numeric_std.all;
7 use work.decode_types.all;
13 f_in : in Fetch2ToDecode1Type;
14 d_out : out Decode1ToDecode2Type
18 architecture behaviour of decode1 is
19 signal f : Fetch2ToDecode1Type := Fetch2ToDecode1Init;
21 type decode_rom_array_t is array(ppc_insn_t) of decode_rom_t;
23 -- Note: reformat with column -t -o ' '
24 constant decode_rom_array : decode_rom_array_t := (
25 -- unit internal in1 in2 in3 out const const const CR CR cry cry ldst ld BR sgn upd mul mul rc lk
26 -- op 1 2 3 in out in out len ext 32 sgn
27 PPC_ILLEGAL => (ALU, OP_ILLEGAL, NONE, NONE, NONE, NONE, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
28 PPC_ADD => (ALU, OP_ADD, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
29 PPC_ADDC => (ALU, OP_ADDC, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '1', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
30 PPC_ADDE => (ALU, OP_ADDC, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '1', '1', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
32 PPC_ADDI => (ALU, OP_ADD, RA_OR_ZERO, CONST_SI, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
33 PPC_ADDIC => (ALU, OP_ADDC, RA, CONST_SI, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '1', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
34 PPC_ADDIC_RC => (ALU, OP_ADDC, RA, CONST_SI, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '1', NONE, '0', '0', '0', '0', '0', '0', ONE, '0'),
35 PPC_ADDIS => (ALU, OP_ADD, RA_OR_ZERO, CONST_SI_HI, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '1', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
38 PPC_ADDZE => (ALU, OP_ADDC, RA, NONE, NONE, RT, NONE, NONE, NONE, '0', '0', '1', '1', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
39 PPC_AND => (ALU, OP_AND, RS, RB, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
40 PPC_ANDC => (ALU, OP_ANDC, RS, RB, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
41 PPC_ANDI_RC => (ALU, OP_AND, RS, CONST_UI, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', ONE, '0'),
42 PPC_ANDIS_RC => (ALU, OP_AND, RS, CONST_UI_HI, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', ONE, '0'),
43 PPC_ATTN => (ALU, OP_ILLEGAL, NONE, NONE, NONE, NONE, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
44 PPC_B => (ALU, OP_B, NONE, CONST_LI, NONE, NONE, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '1'),
46 PPC_BC => (ALU, OP_BC, NONE, CONST_BD, NONE, NONE, BO, BI, NONE, '1', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '1'),
48 PPC_BCCTR => (ALU, OP_BCCTR, NONE, NONE, NONE, NONE, BO, BI, BH, '1', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '1'),
50 PPC_BCLR => (ALU, OP_BCLR, NONE, NONE, NONE, NONE, BO, BI, BH, '1', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '1'),
53 PPC_CMP => (ALU, OP_CMP, RA, RB, NONE, NONE, BF, L, NONE, '0', '1', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
54 PPC_CMPB => (ALU, OP_CMPB, RS, RB, NONE, RA, NONE, NONE, NONE, '0', '1', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
56 PPC_CMPI => (ALU, OP_CMP, RA, CONST_SI, NONE, NONE, BF, L, NONE, '0', '1', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
57 PPC_CMPL => (ALU, OP_CMPL, RA, RB, NONE, NONE, BF, L, NONE, '0', '1', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
58 PPC_CMPLI => (ALU, OP_CMPL, RA, CONST_UI, NONE, NONE, BF, L, NONE, '0', '1', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
60 PPC_CNTLZD => (ALU, OP_CNTLZD, RS, NONE, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
61 PPC_CNTLZW => (ALU, OP_CNTLZW, RS, NONE, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
62 PPC_CNTTZD => (ALU, OP_CNTTZD, RS, NONE, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
63 PPC_CNTTZW => (ALU, OP_CNTTZW, RS, NONE, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
73 PPC_DCBF => (ALU, OP_NOP, NONE, NONE, NONE, NONE, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
74 PPC_DCBST => (ALU, OP_NOP, NONE, NONE, NONE, NONE, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
75 PPC_DCBT => (ALU, OP_NOP, NONE, NONE, NONE, NONE, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
76 PPC_DCBTST => (ALU, OP_NOP, NONE, NONE, NONE, NONE, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
78 PPC_DIVD => (ALU, OP_DIVD, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
81 PPC_DIVDU => (ALU, OP_DIVDU, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
82 PPC_DIVW => (ALU, OP_DIVW, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
85 PPC_DIVWU => (ALU, OP_DIVWU, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
86 PPC_EQV => (ALU, OP_EQV, RS, RB, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
87 PPC_EXTSB => (ALU, OP_EXTSB, RS, NONE, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
88 PPC_EXTSH => (ALU, OP_EXTSH, RS, NONE, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
89 PPC_EXTSW => (ALU, OP_EXTSW, RS, NONE, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
92 PPC_ICBT => (ALU, OP_NOP, NONE, NONE, NONE, NONE, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
93 PPC_ISEL => (ALU, OP_ISEL, RA_OR_ZERO, RB, NONE, RT, BC, NONE, NONE, '1', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
94 PPC_ISYNC => (ALU, OP_NOP, NONE, NONE, NONE, NONE, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
95 PPC_LBARX => (LDST, OP_LOAD, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is1B, '0', '0', '0', '1', '0', '0', NONE, '0'),
96 --CONST_LI matches CONST_SI, so reuse it
97 PPC_LBZ => (LDST, OP_LOAD, RA_OR_ZERO, CONST_SI, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is1B, '0', '0', '0', '0', '0', '0', NONE, '0'),
98 PPC_LBZU => (LDST, OP_LOAD, RA, CONST_SI, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is1B, '0', '0', '1', '0', '0', '0', NONE, '0'),
99 PPC_LBZUX => (LDST, OP_LOAD, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is1B, '0', '0', '1', '0', '0', '0', NONE, '0'),
100 PPC_LBZX => (LDST, OP_LOAD, RA_OR_ZERO, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is1B, '0', '0', '0', '0', '0', '0', NONE, '0'),
101 PPC_LD => (LDST, OP_LOAD, RA_OR_ZERO, CONST_DS, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is8B, '0', '0', '0', '0', '0', '0', NONE, '0'),
102 PPC_LDARX => (LDST, OP_LOAD, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is8B, '0', '0', '0', '1', '0', '0', NONE, '0'),
103 PPC_LDBRX => (LDST, OP_LOAD, RA_OR_ZERO, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is8B, '1', '0', '0', '0', '0', '0', NONE, '0'),
104 PPC_LDU => (LDST, OP_LOAD, RA, CONST_DS, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is8B, '0', '0', '1', '0', '0', '0', NONE, '0'),
105 PPC_LDUX => (LDST, OP_LOAD, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is8B, '0', '0', '1', '0', '0', '0', NONE, '0'),
106 PPC_LDX => (LDST, OP_LOAD, RA_OR_ZERO, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is8B, '0', '0', '0', '0', '0', '0', NONE, '0'),
107 PPC_LHA => (LDST, OP_LOAD, RA_OR_ZERO, CONST_SI, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is2B, '0', '1', '0', '0', '0', '0', NONE, '0'),
108 PPC_LHARX => (LDST, OP_LOAD, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is2B, '0', '0', '0', '1', '0', '0', NONE, '0'),
109 PPC_LHAU => (LDST, OP_LOAD, RA, CONST_SI, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is2B, '0', '1', '1', '0', '0', '0', NONE, '0'),
110 PPC_LHAUX => (LDST, OP_LOAD, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is2B, '0', '1', '1', '0', '0', '0', NONE, '0'),
111 PPC_LHAX => (LDST, OP_LOAD, RA_OR_ZERO, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is2B, '0', '1', '0', '0', '0', '0', NONE, '0'),
112 PPC_LHBRX => (LDST, OP_LOAD, RA_OR_ZERO, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is2B, '1', '0', '0', '0', '0', '0', NONE, '0'),
113 PPC_LHZ => (LDST, OP_LOAD, RA_OR_ZERO, CONST_SI, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is2B, '0', '0', '0', '0', '0', '0', NONE, '0'),
114 PPC_LHZU => (LDST, OP_LOAD, RA, CONST_SI, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is2B, '0', '0', '1', '0', '0', '0', NONE, '0'),
115 PPC_LHZUX => (LDST, OP_LOAD, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is2B, '0', '0', '1', '0', '0', '0', NONE, '0'),
116 PPC_LHZX => (LDST, OP_LOAD, RA_OR_ZERO, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is2B, '0', '0', '0', '0', '0', '0', NONE, '0'),
117 PPC_LWA => (LDST, OP_LOAD, RA_OR_ZERO, CONST_DS, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is4B, '0', '1', '0', '0', '0', '0', NONE, '0'),
118 PPC_LWARX => (LDST, OP_LOAD, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is4B, '0', '0', '0', '1', '0', '0', NONE, '0'),
119 PPC_LWAUX => (LDST, OP_LOAD, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is4B, '0', '1', '1', '0', '0', '0', NONE, '0'),
120 PPC_LWAX => (LDST, OP_LOAD, RA_OR_ZERO, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is4B, '0', '1', '0', '0', '0', '0', NONE, '0'),
121 PPC_LWBRX => (LDST, OP_LOAD, RA_OR_ZERO, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is4B, '1', '0', '0', '0', '0', '0', NONE, '0'),
122 PPC_LWZ => (LDST, OP_LOAD, RA_OR_ZERO, CONST_SI, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is4B, '0', '0', '0', '0', '0', '0', NONE, '0'),
123 PPC_LWZU => (LDST, OP_LOAD, RA, CONST_SI, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is4B, '0', '0', '1', '0', '0', '0', NONE, '0'),
124 PPC_LWZUX => (LDST, OP_LOAD, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is4B, '0', '0', '1', '0', '0', '0', NONE, '0'),
125 PPC_LWZX => (LDST, OP_LOAD, RA_OR_ZERO, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', is4B, '0', '0', '0', '0', '0', '0', NONE, '0'),
132 PPC_MFCR => (ALU, OP_MFCR, NONE, NONE, NONE, RT, NONE, NONE, NONE, '1', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
133 PPC_MFOCRF => (ALU, OP_MFOCRF, NONE, NONE, NONE, RT, FXM, NONE, NONE, '1', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
134 PPC_MFCTR => (ALU, OP_MFCTR, NONE, NONE, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
135 PPC_MFLR => (ALU, OP_MFLR, NONE, NONE, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
136 PPC_MFTB => (ALU, OP_MFTB, NONE, NONE, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
137 PPC_MTCTR => (ALU, OP_MTCTR, RS, NONE, NONE, NONE, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
138 PPC_MTLR => (ALU, OP_MTLR, RS, NONE, NONE, NONE, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
144 PPC_MTCRF => (ALU, OP_MTCRF, RS, NONE, NONE, NONE, FXM, NONE, NONE, '0', '1', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
145 PPC_MTOCRF => (ALU, OP_MTOCRF, RS, NONE, NONE, NONE, FXM, NONE, NONE, '0', '1', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
147 PPC_MULHD => (MUL, OP_MUL_H64, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '1', '0', '0', NONE, '0', '0', '0', '0', '0', '1', RC, '0'),
148 PPC_MULHDU => (MUL, OP_MUL_H64, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '1', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
149 PPC_MULHW => (MUL, OP_MUL_H32, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '1', '0', '0', NONE, '0', '0', '0', '0', '1', '1', RC, '0'),
150 PPC_MULHWU => (MUL, OP_MUL_H32, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '1', '0', '0', NONE, '0', '0', '0', '0', '1', '0', RC, '0'),
151 PPC_MULLD => (MUL, OP_MUL_L64, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '1', '0', '0', NONE, '0', '0', '0', '0', '0', '1', RC, '0'),
152 PPC_MULLI => (MUL, OP_MUL_L64, RA, CONST_SI, NONE, RT, NONE, NONE, NONE, '0', '1', '0', '0', NONE, '0', '0', '0', '0', '0', '1', NONE, '0'),
153 PPC_MULLW => (MUL, OP_MUL_L64, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '1', '0', '0', NONE, '0', '0', '0', '0', '1', '1', RC, '0'),
154 PPC_NAND => (ALU, OP_NAND, RS, RB, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
155 PPC_NEG => (ALU, OP_NEG, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
156 PPC_NOR => (ALU, OP_NOR, RS, RB, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
157 PPC_OR => (ALU, OP_OR, RS, RB, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
158 PPC_ORC => (ALU, OP_ORC, RS, RB, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
159 PPC_ORI => (ALU, OP_OR, RS, CONST_UI, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
160 PPC_ORIS => (ALU, OP_OR, RS, CONST_UI_HI, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
161 PPC_POPCNTB => (ALU, OP_POPCNTB, RS, NONE, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
162 PPC_POPCNTD => (ALU, OP_POPCNTD, RS, NONE, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
163 PPC_POPCNTW => (ALU, OP_POPCNTW, RS, NONE, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
164 PPC_PRTYD => (ALU, OP_PRTYD, RS, NONE, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
165 PPC_PRTYW => (ALU, OP_PRTYW, RS, NONE, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
166 PPC_RLDCL => (ALU, OP_RLDCL, RS, RB, NONE, RA, NONE, MB, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
167 PPC_RLDCR => (ALU, OP_RLDCR, RS, RB, NONE, RA, NONE, MB, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
168 PPC_RLDIC => (ALU, OP_RLDIC, RS, NONE, NONE, RA, SH, MB, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
169 PPC_RLDICL => (ALU, OP_RLDICL, RS, NONE, NONE, RA, SH, MB, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
170 PPC_RLDICR => (ALU, OP_RLDICR, RS, NONE, NONE, RA, SH, ME, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
171 PPC_RLDIMI => (ALU, OP_RLDIMI, RA, RS, NONE, RA, SH, MB, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
172 PPC_RLWIMI => (ALU, OP_RLWIMI, RA, RS, NONE, RA, SH32, MB32, ME32, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
173 PPC_RLWINM => (ALU, OP_RLWINM, RS, NONE, NONE, RA, SH32, MB32, ME32, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
174 PPC_RLWNM => (ALU, OP_RLWNM, RS, RB, NONE, RA, NONE, MB32, ME32, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
176 PPC_SLD => (ALU, OP_SLD, RS, RB, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
177 PPC_SLW => (ALU, OP_SLW, RS, RB, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
178 PPC_SRAD => (ALU, OP_SRAD, RS, RB, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
179 PPC_SRADI => (ALU, OP_SRADI, RS, NONE, NONE, RA, SH, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
180 PPC_SRAW => (ALU, OP_SRAW, RS, RB, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
181 PPC_SRAWI => (ALU, OP_SRAWI, RS, NONE, NONE, RA, SH, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
182 PPC_SRD => (ALU, OP_SRD, RS, RB, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
183 PPC_SRW => (ALU, OP_SRW, RS, RB, RS, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
184 PPC_STB => (LDST, OP_STORE, RA_OR_ZERO, CONST_SI, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is1B, '0', '0', '0', '0', '0', '0', RC, '0'),
185 PPC_STBCX => (LDST, OP_STORE, RA, RB, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is1B, '0', '0', '0', '1', '0', '0', RC, '0'),
186 PPC_STBU => (LDST, OP_STORE, RA, CONST_SI, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is1B, '0', '0', '1', '0', '0', '0', RC, '0'),
187 PPC_STBUX => (LDST, OP_STORE, RA, RB, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is1B, '0', '0', '1', '0', '0', '0', RC, '0'),
188 PPC_STBX => (LDST, OP_STORE, RA_OR_ZERO, RB, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is1B, '0', '0', '0', '0', '0', '0', RC, '0'),
189 PPC_STD => (LDST, OP_STORE, RA_OR_ZERO, CONST_DS, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is8B, '0', '0', '0', '0', '0', '0', NONE, '0'),
190 PPC_STDBRX => (LDST, OP_STORE, RA_OR_ZERO, RB, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is8B, '1', '0', '0', '0', '0', '0', NONE, '0'),
191 PPC_STDCX => (LDST, OP_STORE, RA, RB, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is8B, '0', '0', '0', '1', '0', '0', NONE, '0'),
192 PPC_STDU => (LDST, OP_STORE, RA, CONST_DS, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is8B, '0', '0', '1', '0', '0', '0', NONE, '0'),
193 PPC_STDUX => (LDST, OP_STORE, RA, RB, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is8B, '0', '0', '1', '0', '0', '0', NONE, '0'),
194 PPC_STDX => (LDST, OP_STORE, RA_OR_ZERO, RB, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is8B, '0', '0', '0', '0', '0', '0', NONE, '0'),
195 PPC_STH => (LDST, OP_STORE, RA, CONST_SI, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is2B, '0', '0', '0', '0', '0', '0', NONE, '0'),
196 PPC_STHBRX => (LDST, OP_STORE, RA_OR_ZERO, RB, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is2B, '1', '0', '0', '0', '0', '0', NONE, '0'),
197 PPC_STHCX => (LDST, OP_STORE, RA, RB, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is2B, '0', '0', '0', '1', '0', '0', NONE, '0'),
198 PPC_STHU => (LDST, OP_STORE, RA, CONST_SI, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is2B, '0', '0', '1', '0', '0', '0', NONE, '0'),
199 PPC_STHUX => (LDST, OP_STORE, RA, RB, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is2B, '0', '0', '1', '0', '0', '0', NONE, '0'),
200 PPC_STHX => (LDST, OP_STORE, RA_OR_ZERO, RB, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is2B, '0', '0', '0', '0', '0', '0', NONE, '0'),
201 PPC_STW => (LDST, OP_STORE, RA_OR_ZERO, CONST_SI, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is4B, '0', '0', '0', '0', '0', '0', NONE, '0'),
202 PPC_STWBRX => (LDST, OP_STORE, RA_OR_ZERO, RB, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is4B, '1', '0', '0', '0', '0', '0', NONE, '0'),
203 PPC_STWCX => (LDST, OP_STORE, RA, RB, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is4B, '0', '0', '0', '1', '0', '0', NONE, '0'),
204 PPC_STWU => (LDST, OP_STORE, RA, CONST_SI, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is4B, '0', '0', '1', '0', '0', '0', NONE, '0'),
205 PPC_STWUX => (LDST, OP_STORE, RA, RB, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is4B, '0', '0', '1', '0', '0', '0', NONE, '0'),
206 PPC_STWX => (LDST, OP_STORE, RA_OR_ZERO, RB, RS, NONE, NONE, NONE, NONE, '0', '0', '0', '0', is4B, '0', '0', '0', '0', '0', '0', NONE, '0'),
207 PPC_SUBF => (ALU, OP_SUBF, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
208 PPC_SUBFC => (ALU, OP_SUBFC, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '1', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
209 PPC_SUBFE => (ALU, OP_SUBFC, RA, RB, NONE, RT, NONE, NONE, NONE, '0', '0', '1', '1', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
210 PPC_SUBFIC => (ALU, OP_SUBFC, RA, CONST_SI, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '1', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
212 PPC_SUBFZE => (ALU, OP_SUBFC, RA, NONE, NONE, RT, NONE, NONE, NONE, '0', '0', '1', '1', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
213 PPC_SYNC => (ALU, OP_NOP, NONE, NONE, NONE, NONE, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
215 PPC_TDI => (ALU, OP_TDI, RA, CONST_SI, NONE, NONE, TOO, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
218 PPC_XOR => (ALU, OP_XOR, RS, RB, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0'),
219 PPC_XORI => (ALU, OP_XOR, RS, CONST_UI, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
220 PPC_XORIS => (ALU, OP_XOR, RS, CONST_UI_HI, NONE, RA, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
221 PPC_SIM_READ => (ALU, OP_SIM_READ, NONE, NONE, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
222 PPC_SIM_POLL => (ALU, OP_SIM_POLL, NONE, NONE, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
223 PPC_SIM_WRITE => (ALU, OP_SIM_WRITE, RS, NONE, NONE, NONE, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
224 PPC_SIM_CONFIG => (ALU, OP_SIM_CONFIG,NONE, NONE, NONE, RT, NONE, NONE, NONE, '0', '0', '0', '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0'),
226 others => decode_rom_init
230 decode1_0: process(clk)
232 if rising_edge(clk) then
237 decode1_1: process(all)
238 variable ppc_insn: ppc_insn_t;
240 d_out <= Decode1ToDecode2Init;
241 ppc_insn := PPC_ILLEGAL;
243 d_out.valid <= f.valid;
247 d_out.insn <= f.insn;
249 report "Decode insn " & to_hstring(f.insn);
250 if std_match(f.insn, "011111---------------0100001010-") then
253 elsif std_match(f.insn, "011111---------------0000001010-") then
255 ppc_insn := PPC_ADDC;
256 elsif std_match(f.insn, "011111---------------0010001010-") then
258 ppc_insn := PPC_ADDE;
259 elsif std_match(f.insn, "011111---------------0010101010-") then
261 ppc_insn := PPC_ADDEX;
262 elsif std_match(f.insn, "001110--------------------------") then
264 ppc_insn := PPC_ADDI;
265 elsif std_match(f.insn, "001100--------------------------") then
267 ppc_insn := PPC_ADDIC;
268 elsif std_match(f.insn, "001101--------------------------") then
270 ppc_insn := PPC_ADDIC_RC;
271 elsif std_match(f.insn, "001111--------------------------") then
273 ppc_insn := PPC_ADDIS;
274 elsif std_match(f.insn, "011111---------------0011101010-") then
276 ppc_insn := PPC_ADDME;
277 elsif std_match(f.insn, "010011--------------------00010-") then
278 report "PPC_addpcis";
279 ppc_insn := PPC_ADDPCIS;
280 elsif std_match(f.insn, "011111---------------0011001010-") then
282 ppc_insn := PPC_ADDZE;
283 elsif std_match(f.insn, "011111---------------0000011100-") then
286 elsif std_match(f.insn, "011111---------------0000111100-") then
288 ppc_insn := PPC_ANDC;
289 elsif std_match(f.insn, "011100--------------------------") then
291 ppc_insn := PPC_ANDI_RC;
292 elsif std_match(f.insn, "011101--------------------------") then
294 ppc_insn := PPC_ANDIS_RC;
295 elsif std_match(f.insn, "000000---------------0100000000-") then
297 ppc_insn := PPC_ATTN;
298 elsif std_match(f.insn, "010010------------------------0-") then
301 elsif std_match(f.insn, "010010------------------------1-") then
304 elsif std_match(f.insn, "010000------------------------0-") then
307 elsif std_match(f.insn, "010000------------------------10") then
310 elsif std_match(f.insn, "010011---------------1000010000-") then
312 ppc_insn := PPC_BCCTR;
313 elsif std_match(f.insn, "010000------------------------11") then
315 ppc_insn := PPC_BCLA;
316 elsif std_match(f.insn, "010011---------------0000010000-") then
318 ppc_insn := PPC_BCLR;
319 elsif std_match(f.insn, "010011---------------1000110000-") then
321 ppc_insn := PPC_BCTAR;
322 elsif std_match(f.insn, "011111---------------0011111100-") then
324 ppc_insn := PPC_BPERM;
325 elsif std_match(f.insn, "011111---------------0000000000-") then
328 elsif std_match(f.insn, "011111---------------0111111100-") then
330 ppc_insn := PPC_CMPB;
331 elsif std_match(f.insn, "011111---------------0011100000-") then
333 ppc_insn := PPC_CMPEQB;
334 elsif std_match(f.insn, "001011--------------------------") then
336 ppc_insn := PPC_CMPI;
337 elsif std_match(f.insn, "011111---------------0000100000-") then
339 ppc_insn := PPC_CMPL;
340 elsif std_match(f.insn, "001010--------------------------") then
342 ppc_insn := PPC_CMPLI;
343 elsif std_match(f.insn, "011111---------------0011000000-") then
345 ppc_insn := PPC_CMPRB;
346 elsif std_match(f.insn, "011111---------------0000111010-") then
348 ppc_insn := PPC_CNTLZD;
349 elsif std_match(f.insn, "011111---------------0000011010-") then
351 ppc_insn := PPC_CNTLZW;
352 elsif std_match(f.insn, "011111---------------1000111010-") then
354 ppc_insn := PPC_CNTTZD;
355 elsif std_match(f.insn, "011111---------------1000011010-") then
357 ppc_insn := PPC_CNTTZW;
358 elsif std_match(f.insn, "010011---------------0100000001-") then
360 ppc_insn := PPC_CRAND;
361 elsif std_match(f.insn, "010011---------------0010000001-") then
363 ppc_insn := PPC_CRANDC;
364 elsif std_match(f.insn, "010011---------------0100100001-") then
366 ppc_insn := PPC_CREQV;
367 elsif std_match(f.insn, "010011---------------0011100001-") then
369 ppc_insn := PPC_CRNAND;
370 elsif std_match(f.insn, "010011---------------0000100001-") then
372 ppc_insn := PPC_CRNOR;
373 elsif std_match(f.insn, "010011---------------0111000001-") then
375 ppc_insn := PPC_CROR;
376 elsif std_match(f.insn, "010011---------------0110100001-") then
378 ppc_insn := PPC_CRORC;
379 elsif std_match(f.insn, "010011---------------0011000001-") then
381 ppc_insn := PPC_CRXOR;
382 elsif std_match(f.insn, "011111---------------1011110011-") then
384 ppc_insn := PPC_DARN;
385 elsif std_match(f.insn, "011111---------------0001010110-") then
387 ppc_insn := PPC_DCBF;
388 elsif std_match(f.insn, "011111---------------0000110110-") then
390 ppc_insn := PPC_DCBST;
391 elsif std_match(f.insn, "011111---------------0100010110-") then
393 ppc_insn := PPC_DCBT;
394 elsif std_match(f.insn, "011111---------------0011110110-") then
396 ppc_insn := PPC_DCBTST;
397 elsif std_match(f.insn, "011111---------------1111110110-") then
399 ppc_insn := PPC_DCBZ;
400 elsif std_match(f.insn, "011111---------------0111101001-") then
402 ppc_insn := PPC_DIVD;
403 elsif std_match(f.insn, "011111---------------0110101001-") then
405 ppc_insn := PPC_DIVDE;
406 elsif std_match(f.insn, "011111---------------0110001001-") then
408 ppc_insn := PPC_DIVDEU;
409 elsif std_match(f.insn, "011111---------------0111001001-") then
411 ppc_insn := PPC_DIVDU;
412 elsif std_match(f.insn, "011111---------------0111101011-") then
414 ppc_insn := PPC_DIVW;
415 elsif std_match(f.insn, "011111---------------0110101011-") then
417 ppc_insn := PPC_DIVWE;
418 elsif std_match(f.insn, "011111---------------0110001011-") then
420 ppc_insn := PPC_DIVWEU;
421 elsif std_match(f.insn, "011111---------------0111001011-") then
423 ppc_insn := PPC_DIVWU;
424 elsif std_match(f.insn, "011111---------------0100011100-") then
427 elsif std_match(f.insn, "011111---------------1110111010-") then
429 ppc_insn := PPC_EXTSB;
430 elsif std_match(f.insn, "011111---------------1110011010-") then
432 ppc_insn := PPC_EXTSH;
433 elsif std_match(f.insn, "011111---------------1111011010-") then
435 ppc_insn := PPC_EXTSW;
436 elsif std_match(f.insn, "011111---------------110111101--") then
437 report "PPC_extswsli";
438 ppc_insn := PPC_EXTSWSLI;
439 elsif std_match(f.insn, "011111---------------1111010110-") then
441 ppc_insn := PPC_ICBI;
442 elsif std_match(f.insn, "011111---------------0000010110-") then
444 ppc_insn := PPC_ICBT;
445 elsif std_match(f.insn, "011111--------------------01111-") then
447 ppc_insn := PPC_ISEL;
448 elsif std_match(f.insn, "010011---------------0010010110-") then
450 ppc_insn := PPC_ISYNC;
451 elsif std_match(f.insn, "011111---------------0000110100-") then
453 ppc_insn := PPC_LBARX;
454 elsif std_match(f.insn, "100010--------------------------") then
457 elsif std_match(f.insn, "100011--------------------------") then
459 ppc_insn := PPC_LBZU;
460 elsif std_match(f.insn, "011111---------------0001110111-") then
462 ppc_insn := PPC_LBZUX;
463 elsif std_match(f.insn, "011111---------------0001010111-") then
465 ppc_insn := PPC_LBZX;
466 elsif std_match(f.insn, "111010------------------------00") then
469 elsif std_match(f.insn, "011111---------------0001010100-") then
471 ppc_insn := PPC_LDARX;
472 elsif std_match(f.insn, "011111---------------1000010100-") then
474 ppc_insn := PPC_LDBRX;
475 elsif std_match(f.insn, "111010------------------------01") then
478 elsif std_match(f.insn, "011111---------------0000110101-") then
480 ppc_insn := PPC_LDUX;
481 elsif std_match(f.insn, "011111---------------0000010101-") then
484 elsif std_match(f.insn, "101010--------------------------") then
487 elsif std_match(f.insn, "011111---------------0001110100-") then
489 ppc_insn := PPC_LHARX;
490 elsif std_match(f.insn, "101011--------------------------") then
492 ppc_insn := PPC_LHAU;
493 elsif std_match(f.insn, "011111---------------0101110111-") then
495 ppc_insn := PPC_LHAUX;
496 elsif std_match(f.insn, "011111---------------0101010111-") then
498 ppc_insn := PPC_LHAX;
499 elsif std_match(f.insn, "011111---------------1100010110-") then
501 ppc_insn := PPC_LHBRX;
502 elsif std_match(f.insn, "101000--------------------------") then
505 elsif std_match(f.insn, "101001--------------------------") then
507 ppc_insn := PPC_LHZU;
508 elsif std_match(f.insn, "011111---------------0100110111-") then
510 ppc_insn := PPC_LHZUX;
511 elsif std_match(f.insn, "011111---------------0100010111-") then
513 ppc_insn := PPC_LHZX;
514 elsif std_match(f.insn, "111010------------------------10") then
517 elsif std_match(f.insn, "011111---------------0000010100-") then
519 ppc_insn := PPC_LWARX;
520 elsif std_match(f.insn, "011111---------------0101110101-") then
522 ppc_insn := PPC_LWAUX;
523 elsif std_match(f.insn, "011111---------------0101010101-") then
525 ppc_insn := PPC_LWAX;
526 elsif std_match(f.insn, "011111---------------1000010110-") then
528 ppc_insn := PPC_LWBRX;
529 elsif std_match(f.insn, "100000--------------------------") then
532 elsif std_match(f.insn, "100001--------------------------") then
534 ppc_insn := PPC_LWZU;
535 elsif std_match(f.insn, "011111---------------0000110111-") then
537 ppc_insn := PPC_LWZUX;
538 elsif std_match(f.insn, "011111---------------0000010111-") then
540 ppc_insn := PPC_LWZX;
541 elsif std_match(f.insn, "000100--------------------110000") then
543 ppc_insn := PPC_MADDHD;
544 elsif std_match(f.insn, "000100--------------------110001") then
545 report "PPC_maddhdu";
546 ppc_insn := PPC_MADDHDU;
547 elsif std_match(f.insn, "000100--------------------110011") then
549 ppc_insn := PPC_MADDLD;
550 elsif std_match(f.insn, "010011---------------0000000000-") then
552 ppc_insn := PPC_MCRF;
553 elsif std_match(f.insn, "011111---------------1000000000-") then
555 ppc_insn := PPC_MCRXR;
556 elsif std_match(f.insn, "011111---------------1001000000-") then
558 ppc_insn := PPC_MCRXRX;
559 elsif std_match(f.insn, "011111-----0---------0000010011-") then
561 ppc_insn := PPC_MFCR;
562 elsif std_match(f.insn, "011111-----1---------0000010011-") then
564 ppc_insn := PPC_MFOCRF;
565 -- Specific MF/MT SPR encodings first
566 elsif std_match(f.insn, "011111-----01001000000101010011-") then
568 ppc_insn := PPC_MFCTR;
569 elsif std_match(f.insn, "011111-----01000000000101010011-") then
571 ppc_insn := PPC_MFLR;
572 elsif std_match(f.insn, "011111-----01100010000101010011-") then
574 ppc_insn := PPC_MFTB;
575 elsif std_match(f.insn, "011111-----01001000000111010011-") then
577 ppc_insn := PPC_MTCTR;
578 elsif std_match(f.insn, "011111-----01000000000111010011-") then
580 ppc_insn := PPC_MTLR;
581 elsif std_match(f.insn, "011111---------------0101010011-") then
583 ppc_insn := PPC_MFSPR;
584 elsif std_match(f.insn, "011111---------------1100001001-") then
586 ppc_insn := PPC_MODSD;
587 elsif std_match(f.insn, "011111---------------1100001011-") then
589 ppc_insn := PPC_MODSW;
590 elsif std_match(f.insn, "011111---------------0100001001-") then
592 ppc_insn := PPC_MODUD;
593 elsif std_match(f.insn, "011111---------------0100001011-") then
595 ppc_insn := PPC_MODUW;
596 elsif std_match(f.insn, "011111-----0---------0010010000-") then
598 ppc_insn := PPC_MTCRF;
599 elsif std_match(f.insn, "011111-----1---------0010010000-") then
601 ppc_insn := PPC_MTOCRF;
602 elsif std_match(f.insn, "011111---------------0111010011-") then
604 ppc_insn := PPC_MTSPR;
605 elsif std_match(f.insn, "011111----------------001001001-") then
607 ppc_insn := PPC_MULHD;
608 elsif std_match(f.insn, "011111----------------000001001-") then
610 ppc_insn := PPC_MULHDU;
611 elsif std_match(f.insn, "011111----------------001001011-") then
613 ppc_insn := PPC_MULHW;
614 elsif std_match(f.insn, "011111----------------000001011-") then
616 ppc_insn := PPC_MULHWU;
617 elsif std_match(f.insn, "011111---------------0011101001-") then
619 ppc_insn := PPC_MULLD;
620 elsif std_match(f.insn, "000111--------------------------") then
622 ppc_insn := PPC_MULLI;
623 elsif std_match(f.insn, "011111---------------0011101011-") then
625 ppc_insn := PPC_MULLW;
626 elsif std_match(f.insn, "011111---------------0111011100-") then
628 ppc_insn := PPC_NAND;
629 elsif std_match(f.insn, "011111---------------0001101000-") then
632 elsif std_match(f.insn, "011111---------------0001111100-") then
635 elsif std_match(f.insn, "011111---------------0110111100-") then
638 elsif std_match(f.insn, "011111---------------0110011100-") then
641 elsif std_match(f.insn, "011000--------------------------") then
644 elsif std_match(f.insn, "011001--------------------------") then
646 ppc_insn := PPC_ORIS;
647 elsif std_match(f.insn, "011111---------------0001111010-") then
648 report "PPC_popcntb";
649 ppc_insn := PPC_POPCNTB;
650 elsif std_match(f.insn, "011111---------------0111111010-") then
651 report "PPC_popcntd";
652 ppc_insn := PPC_POPCNTD;
653 elsif std_match(f.insn, "011111---------------0101111010-") then
654 report "PPC_popcntw";
655 ppc_insn := PPC_POPCNTW;
656 elsif std_match(f.insn, "011111---------------0010111010-") then
658 ppc_insn := PPC_PRTYD;
659 elsif std_match(f.insn, "011111---------------0010011010-") then
661 ppc_insn := PPC_PRTYW;
662 elsif std_match(f.insn, "011110---------------------1000-") then
664 ppc_insn := PPC_RLDCL;
665 elsif std_match(f.insn, "011110---------------------1001-") then
667 ppc_insn := PPC_RLDCR;
668 elsif std_match(f.insn, "011110---------------------010--") then
670 ppc_insn := PPC_RLDIC;
671 elsif std_match(f.insn, "011110---------------------000--") then
673 ppc_insn := PPC_RLDICL;
674 elsif std_match(f.insn, "011110---------------------001--") then
676 ppc_insn := PPC_RLDICR;
677 elsif std_match(f.insn, "011110---------------------011--") then
679 ppc_insn := PPC_RLDIMI;
680 elsif std_match(f.insn, "010100--------------------------") then
682 ppc_insn := PPC_RLWIMI;
683 elsif std_match(f.insn, "010101--------------------------") then
685 ppc_insn := PPC_RLWINM;
686 elsif std_match(f.insn, "010111--------------------------") then
688 ppc_insn := PPC_RLWNM;
689 elsif std_match(f.insn, "011111---------------0010000000-") then
691 ppc_insn := PPC_SETB;
692 elsif std_match(f.insn, "011111---------------0000011011-") then
695 elsif std_match(f.insn, "011111---------------0000011000-") then
698 elsif std_match(f.insn, "011111---------------1100011010-") then
700 ppc_insn := PPC_SRAD;
701 elsif std_match(f.insn, "011111---------------110011101--") then
703 ppc_insn := PPC_SRADI;
704 elsif std_match(f.insn, "011111---------------1100011000-") then
706 ppc_insn := PPC_SRAW;
707 elsif std_match(f.insn, "011111---------------1100111000-") then
709 ppc_insn := PPC_SRAWI;
710 elsif std_match(f.insn, "011111---------------1000011011-") then
713 elsif std_match(f.insn, "011111---------------1000011000-") then
716 elsif std_match(f.insn, "100110--------------------------") then
719 elsif std_match(f.insn, "011111---------------1010110110-") then
721 ppc_insn := PPC_STBCX;
722 elsif std_match(f.insn, "100111--------------------------") then
724 ppc_insn := PPC_STBU;
725 elsif std_match(f.insn, "011111---------------0011110111-") then
727 ppc_insn := PPC_STBUX;
728 elsif std_match(f.insn, "011111---------------0011010111-") then
730 ppc_insn := PPC_STBX;
731 elsif std_match(f.insn, "111110------------------------00") then
734 elsif std_match(f.insn, "011111---------------1010010100-") then
736 ppc_insn := PPC_STDBRX;
737 elsif std_match(f.insn, "011111---------------0011010110-") then
739 ppc_insn := PPC_STDCX;
740 elsif std_match(f.insn, "111110------------------------01") then
742 ppc_insn := PPC_STDU;
743 elsif std_match(f.insn, "011111---------------0010110101-") then
745 ppc_insn := PPC_STDUX;
746 elsif std_match(f.insn, "011111---------------0010010101-") then
748 ppc_insn := PPC_STDX;
749 elsif std_match(f.insn, "101100--------------------------") then
752 elsif std_match(f.insn, "011111---------------1110010110-") then
754 ppc_insn := PPC_STHBRX;
755 elsif std_match(f.insn, "011111---------------1011010110-") then
757 ppc_insn := PPC_STHCX;
758 elsif std_match(f.insn, "101101--------------------------") then
760 ppc_insn := PPC_STHU;
761 elsif std_match(f.insn, "011111---------------0110110111-") then
763 ppc_insn := PPC_STHUX;
764 elsif std_match(f.insn, "011111---------------0110010111-") then
766 ppc_insn := PPC_STHX;
767 elsif std_match(f.insn, "100100--------------------------") then
770 elsif std_match(f.insn, "011111---------------1010010110-") then
772 ppc_insn := PPC_STWBRX;
773 elsif std_match(f.insn, "011111---------------0010010110-") then
775 ppc_insn := PPC_STWCX;
776 elsif std_match(f.insn, "100101--------------------------") then
778 ppc_insn := PPC_STWU;
779 elsif std_match(f.insn, "011111---------------0010110111-") then
781 ppc_insn := PPC_STWUX;
782 elsif std_match(f.insn, "011111---------------0010010111-") then
784 ppc_insn := PPC_STWX;
785 elsif std_match(f.insn, "011111---------------0000101000-") then
787 ppc_insn := PPC_SUBF;
788 elsif std_match(f.insn, "011111---------------0000001000-") then
790 ppc_insn := PPC_SUBFC;
791 elsif std_match(f.insn, "011111---------------0010001000-") then
793 ppc_insn := PPC_SUBFE;
794 elsif std_match(f.insn, "001000--------------------------") then
796 ppc_insn := PPC_SUBFIC;
797 elsif std_match(f.insn, "011111---------------0011101000-") then
799 ppc_insn := PPC_SUBFME;
800 elsif std_match(f.insn, "011111---------------0011001000-") then
802 ppc_insn := PPC_SUBFZE;
803 elsif std_match(f.insn, "011111---------------1001010110-") then
805 ppc_insn := PPC_SYNC;
806 elsif std_match(f.insn, "011111---------------0001000100-") then
809 elsif std_match(f.insn, "000010--------------------------") then
812 elsif std_match(f.insn, "011111---------------0000000100-") then
815 elsif std_match(f.insn, "000011--------------------------") then
818 elsif std_match(f.insn, "011111---------------0100111100-") then
821 elsif std_match(f.insn, "011010--------------------------") then
823 ppc_insn := PPC_XORI;
824 elsif std_match(f.insn, "011011--------------------------") then
826 ppc_insn := PPC_XORIS;
827 elsif std_match(f.insn, "000001---------------0000000000-") then
828 report "PPC_SIM_READ";
829 ppc_insn := PPC_SIM_READ;
830 elsif std_match(f.insn, "000001---------------0000000001-") then
831 report "PPC_SIM_POLL";
832 ppc_insn := PPC_SIM_POLL;
833 elsif std_match(f.insn, "000001---------------0000000010-") then
834 report "PPC_SIM_WRITE";
835 ppc_insn := PPC_SIM_WRITE;
836 elsif std_match(f.insn, "000001---------------0000000011-") then
837 report "PPC_SIM_CONFIG";
838 ppc_insn := PPC_SIM_CONFIG;
840 report "PPC_illegal";
841 ppc_insn := PPC_ILLEGAL;
844 d_out.decode <= decode_rom_array(ppc_insn);
847 end architecture behaviour;