8e5c905e99
instruction registers, opcodes and formats. Build internal table for new instructions and provide callbacks for assembler and disassembler. * itbl-lex.l, itbl-parse.y: Lex and yacc parsers for instruction spec table. * itbl-ops.h: New file. Header file for itbl support. * config/itbl-mips.h: New file. Mips specific definitions for itbl support.
27 lines
924 B
C
27 lines
924 B
C
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/* Defines for Mips itbl cop support */
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#include "opcode/mips.h"
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/* Values for processors will be from 0 to NUMBER_OF_PROCESSORS-1 */
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#define NUMBER_OF_PROCESSORS 4
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#define MAX_BITPOS 31
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/* Mips specifics */
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#define MIPS_OPCODE_COP0 (0x21) /* COPz+CO, bits 31-25: 0100zz1 */
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#define MIPS_ENCODE_COP_NUM(z) ((MIPS_OPCODE_COP0|z<<1)<<25)
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#define MIPS_IS_COP_INSN(insn) ((MIPS_OPCODE_COP0&(insn>>25)) \
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== MIPS_OPCODE_COP0)
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#define MIPS_DECODE_COP_NUM(insn) ((~MIPS_OPCODE_COP0&(insn>>25))>>1)
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#define MIPS_DECODE_COP_COFUN(insn) ((~MIPS_ENCODE_COP_NUM(3))&(insn))
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/* definitions required by generic code */
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#define ITBL_IS_INSN(insn) MIPS_IS_COP_INSN(insn)
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#define ITBL_DECODE_PNUM(insn) MIPS_DECODE_COP_NUM(insn)
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#define ITBL_ENCODE_PNUM(pnum) MIPS_ENCODE_COP_NUM(pnum)
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#define ITBL_OPCODE_STRUCT mips_opcode
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#define ITBL_OPCODES mips_opcodes
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#define ITBL_NUM_OPCODES NUMOPCODES
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#define ITBL_NUM_MACROS M_NUM_MACROS
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