1 /* Simulation code for the CR16 processor.
2 Copyright (C) 2008-2015 Free Software Foundation, Inc.
3 Contributed by M Ranga Swami Reddy <MR.Swami.Reddy@nsc.com>
5 This file is part of GDB, the GNU debugger.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
27 #include "opcode/cr16.h"
29 static void write_header (void);
30 static void write_opcodes (void);
31 static void write_template (void);
34 main (int argc
, char *argv
[])
36 if ((argc
> 1) && (strcmp (argv
[1],"-h") == 0))
38 else if ((argc
> 1) && (strcmp (argv
[1],"-t") == 0))
51 /* Start searching from end of instruction table. */
52 const inst
*instruction
= &cr16_instruction
[NUMOPCODES
- 1];
54 /* Loop over instruction table until a full match is found. */
55 for ( ; i
< NUMOPCODES
; i
++)
56 printf("void OP_%lX_%X (void);\t\t/* %s */\n", cr16_instruction
[i
].match
,
57 (32 - cr16_instruction
[i
].match_bits
), cr16_instruction
[i
].mnemonic
);
61 /* write_template creates a file all required functions,
62 ready to be filled out. */
67 int i
= 0,j
, k
, flags
;
69 printf ("#include \"cr16_sim.h\"\n");
70 printf ("#include \"simops.h\"\n\n");
72 for ( ; i
< NUMOPCODES
; i
++)
74 if (cr16_instruction
[i
].size
!= 0)
76 printf("/* %s */\nvoid\nOP_%lX_%X ()\n{\n", cr16_instruction
[i
].mnemonic
,
77 cr16_instruction
[i
].match
, (32 - cr16_instruction
[i
].match_bits
));
83 if (cr16_instruction
[i
].operands
[k
].op_type
== dummy
)
91 printf ("printf(\" %s\\n\");\n",cr16_instruction
[i
].mnemonic
);
94 printf ("printf(\" %s\\t%%x\\n\",OP[0]);\n",cr16_instruction
[i
].mnemonic
);
97 printf ("printf(\" %s\\t%%x,%%x\\n\",OP[0],OP[1]);\n",cr16_instruction
[i
].mnemonic
);
100 printf ("printf(\" %s\\t%%x,%%x,%%x\\n\",OP[0],OP[1],OP[2]);\n",cr16_instruction
[i
].mnemonic
);
103 fprintf (stderr
,"Too many operands: %d\n",j
);
116 check_opcodes( long op
)
120 for (i
=0;i
<curop
;i
++)
121 if (Opcodes
[i
] == op
)
122 fprintf(stderr
,"DUPLICATE OPCODES: %lx\n", op
);
131 /* write out opcode table. */
132 printf ("#include \"cr16_sim.h\"\n");
133 printf ("#include \"simops.h\"\n\n");
134 printf ("struct simops Simops[] = {\n");
136 for (i
= NUMOPCODES
-1; i
>= 0; --i
)
138 if (cr16_instruction
[i
].size
!= 0)
140 printf (" { \"%s\", %u, %d, %ld, %u, \"OP_%lX_%X\", OP_%lX_%X, ",
141 cr16_instruction
[i
].mnemonic
, cr16_instruction
[i
].size
,
142 cr16_instruction
[i
].match_bits
, cr16_instruction
[i
].match
,
143 cr16_instruction
[i
].flags
, ((BIN(cr16_instruction
[i
].match
, cr16_instruction
[i
].match_bits
))>>(cr16_instruction
[i
].match_bits
)),
144 (32 - cr16_instruction
[i
].match_bits
),
145 ((BIN(cr16_instruction
[i
].match
, cr16_instruction
[i
].match_bits
))>>(cr16_instruction
[i
].match_bits
)), (32 - cr16_instruction
[i
].match_bits
));
150 if (cr16_instruction
[i
].operands
[k
].op_type
== dummy
)
160 int optype
= cr16_instruction
[i
].operands
[k
].op_type
;
161 int shift
= cr16_instruction
[i
].operands
[k
].shift
;
167 printf ("%d,%d",optype
, shift
);
176 printf (" { \"NULL\",1,8,0,0,\"OP_0_20\",OP_0_20,0,{{0,0},{0,0},{0,0},{0,0}}},\n};\n");
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