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disas/microblaze: Remove unused code

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Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Stefan Weil 2015-08-29 09:44:33 +02:00 committed by Michael Tokarev
parent 2382053f1d
commit 76621d1faa
1 changed files with 0 additions and 150 deletions
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150
disas/microblaze.c
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@ -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;
}