diff options
Diffstat (limited to 'disas')
| -rw-r--r-- | disas/microblaze.c | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/disas/microblaze.c b/disas/microblaze.c index 92cd4b1455..5d1590795a 100644 --- a/disas/microblaze.c +++ b/disas/microblaze.c @@ -603,25 +603,6 @@ char * get_field_special (long instr, struct op_code_struct * op); unsigned long read_insn_microblaze (bfd_vma memaddr, struct disassemble_info *info, struct op_code_struct **opr); -enum microblaze_instr get_insn_microblaze (long inst, - bfd_boolean *isunsignedimm, - enum microblaze_instr_type *insn_type, - short *delay_slots); -short get_delay_slots_microblaze (long inst); -enum microblaze_instr microblaze_decode_insn (long insn, - int *rd, - int *ra, - int *rb, - int *imm); -unsigned long -microblaze_get_target_address (long inst, - bfd_boolean immfound, - int immval, - long pcval, - long r1val, - long r2val, - bfd_boolean *targetvalid, - bfd_boolean *unconditionalbranch); static char * get_field (long instr, long mask, unsigned short low) @@ -967,134 +948,3 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info) /* Say how many bytes we consumed? */ return 4; } - -enum microblaze_instr -get_insn_microblaze (long inst, - bfd_boolean *isunsignedimm, - enum microblaze_instr_type *insn_type, - short *delay_slots) -{ - struct op_code_struct * op; - *isunsignedimm = FALSE; - - /* Just a linear search of the table. */ - for (op = opcodes; op->name != 0; op ++) - if (op->bit_sequence == (inst & op->opcode_mask)) - break; - - if (op->name == 0) - return invalid_inst; - else { - *isunsignedimm = (op->inst_type == INST_TYPE_RD_R1_UNSIGNED_IMM); - *insn_type = op->instr_type; - *delay_slots = op->delay_slots; - return op->instr; - } -} - -short -get_delay_slots_microblaze (long inst) -{ - bfd_boolean isunsignedimm; - enum microblaze_instr_type insn_type; - enum microblaze_instr op; - short delay_slots; - - op = get_insn_microblaze( inst, &isunsignedimm, &insn_type, &delay_slots); - if (op == invalid_inst) - return 0; - else - return delay_slots; -} - -enum microblaze_instr -microblaze_decode_insn (long insn, - int *rd, - int *ra, - int *rb, - int *imm) -{ - enum microblaze_instr op; - bfd_boolean t1; - enum microblaze_instr_type t2; - short t3; - - op = get_insn_microblaze(insn, &t1, &t2, &t3); - *rd = (insn & RD_MASK) >> RD_LOW; - *ra = (insn & RA_MASK) >> RA_LOW; - *rb = (insn & RB_MASK) >> RB_LOW; - t3 = (insn & IMM_MASK) >> IMM_LOW; - *imm = (int) t3; - return (op); -} - -unsigned long -microblaze_get_target_address (long inst, - bfd_boolean immfound, - int immval, - long pcval, - long r1val, - long r2val, - bfd_boolean *targetvalid, - bfd_boolean *unconditionalbranch) -{ - struct op_code_struct * op; - long targetaddr = 0; - - *unconditionalbranch = FALSE; - /* Just a linear search of the table. */ - for (op = opcodes; op->name != 0; op ++) - if (op->bit_sequence == (inst & op->opcode_mask)) - break; - - if (op->name == 0) { - *targetvalid = FALSE; - } else if (op->instr_type == branch_inst) { - switch (op->inst_type) { - case INST_TYPE_R2: - *unconditionalbranch = TRUE; - /* fallthru */ - case INST_TYPE_RD_R2: - case INST_TYPE_R1_R2: - targetaddr = r2val; - *targetvalid = TRUE; - if (op->inst_offset_type == INST_PC_OFFSET) - targetaddr += pcval; - break; - case INST_TYPE_IMM: - *unconditionalbranch = TRUE; - /* fallthru */ - case INST_TYPE_RD_IMM: - case INST_TYPE_R1_IMM: - if (immfound) { - targetaddr = (immval << 16) & 0xffff0000; - targetaddr |= (get_int_field_imm(inst) & 0x0000ffff); - } else { - targetaddr = get_int_field_imm(inst); - if (targetaddr & 0x8000) - targetaddr |= 0xFFFF0000; - } - if (op->inst_offset_type == INST_PC_OFFSET) - targetaddr += pcval; - *targetvalid = TRUE; - break; - default: - *targetvalid = FALSE; - break; - } - } else if (op->instr_type == return_inst) { - if (immfound) { - targetaddr = (immval << 16) & 0xffff0000; - targetaddr |= (get_int_field_imm(inst) & 0x0000ffff); - } else { - targetaddr = get_int_field_imm(inst); - if (targetaddr & 0x8000) - targetaddr |= 0xFFFF0000; - } - targetaddr += r1val; - *targetvalid = TRUE; - } else { - *targetvalid = FALSE; - } - return targetaddr; -} |