binutils-gdb/opcodes/ft32-dis.c

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FT32 initial support FT32 is a new 32-bit RISC core developed by FTDI for embedded applications. * configure.ac: Add FT32 support. * configure: Regenerate. bfd/ * Makefile.am: Add FT32 files. * archures.c (enum bfd_architecture): Add bfd_arch_ft32. (bfd_mach_ft32): Define. (bfd_ft32_arch): Declare. (bfd_archures_list): Add bfd_ft32_arch. * config.bfd: Handle FT32. * configure.ac: Likewise. * cpu-ft32.c: New file. * elf32-ft32.c: New file. * reloc.c (BFD_RELOC_FT32_10, BFD_RELOC_FT32_20, BFD_RELOC_FT32_17, BFD_RELOC_FT32_18): Define. * targets.c (_bfd_target_vector): Add ft32_elf32_vec. * bfd-in2.h: Regenerate. * libbfd.h: Regenerate. * Makefile.in: Regenerate. * configure: Regenerate. * po/SRC-POTFILES.in: Regenerate. binutils/ * readelf.c: Add FT32 support. gas/ * Makefile.am: Add FT32 files. * config/tc-ft32.c: New file. * config/tc-ft32.h: New file. * configure.tgt: Add FT32 support. * Makefile.in: Regenerate. * po/POTFILES.in: Regenerate. gas/testsuite/ * gas/ft32/ft32.exp: New file. * gas/ft32/insn.d: New file. * gas/ft32/insn.s: New file. include/ * dis-asm.h (print_insn_ft32): Declare. include/elf/ * common.h (EM_FT32): Define. * ft32.h: New file. include/opcode/ * ft32.h: New file. ld/ * Makefile.am: Add FT32 files. * configure.tgt: Handle FT32 target. * emulparams/elf32ft32.sh: New file. * scripttempl/ft32.sc: New file. * Makefile.in: Regenerate. opcodes/ * Makefile.am: Add FT32 files. * configure.ac: Handle FT32. * disassemble.c (disassembler): Call print_insn_ft32. * ft32-dis.c: New file. * ft32-opc.c: New file. * Makefile.in: Regenerate. * configure: Regenerate. * po/POTFILES.in: Regenerate.
2015-01-28 06:06:43 +01:00
/* Disassemble ft32 instructions.
Copyright (C) 2013-2015 Free Software Foundation, Inc.
Contributed by FTDI (support@ftdichip.com)
This file is part of the GNU opcodes library.
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
It is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "sysdep.h"
#include <stdio.h>
#define STATIC_TABLE
#define DEFINE_TABLE
#include "opcode/ft32.h"
#include "dis-asm.h"
extern const ft32_opc_info_t ft32_opc_info[128];
static fprintf_ftype fpr;
static void *stream;
int
print_insn_ft32 (bfd_vma addr, struct disassemble_info *info)
{
int status;
stream = info->stream;
bfd_byte buffer[4];
unsigned int iword;
const ft32_opc_info_t *oo;
fpr = info->fprintf_func;
if ((status = info->read_memory_func (addr, buffer, 4, info)))
goto fail;
iword = bfd_getl32 (buffer);
for (oo = ft32_opc_info; oo->name; oo++)
if ((iword & oo->mask) == oo->bits)
break;
if (oo->name)
{
int f = oo->fields;
int imm;
fpr (stream, "%08x %s", iword, oo->name);
if (oo->dw)
{
fpr (stream, ".%c ", "bsl"[(iword >> FT32_FLD_DW_BIT) & 3]);
}
else
{
fpr (stream, " ");
}
while (f)
{
int lobit = f & -f;
if (f & lobit)
{
switch (lobit)
{
case FT32_FLD_CBCRCV:
// imm is {CB, CV}
imm = ((iword >> FT32_FLD_CB_BIT) & ((1 << FT32_FLD_CB_SIZ) - 1)) << 4;
imm |= ((iword >> FT32_FLD_CV_BIT) & ((1 << FT32_FLD_CV_SIZ) - 1));
switch (imm)
{
case 0x00: fpr(stream, "nz"); break;
case 0x01: fpr(stream, "z"); break;
case 0x10: fpr(stream, "ae"); break;
case 0x11: fpr(stream, "b"); break;
case 0x20: fpr(stream, "no"); break;
case 0x21: fpr(stream, "o"); break;
case 0x30: fpr(stream, "ns"); break;
case 0x31: fpr(stream, "s"); break;
case 0x40: fpr(stream, "lt"); break;
case 0x41: fpr(stream, "gte"); break;
case 0x50: fpr(stream, "lte"); break;
case 0x51: fpr(stream, "gt"); break;
case 0x60: fpr(stream, "be"); break;
case 0x61: fpr(stream, "a"); break;
default: fpr(stream, "%d,$r30,%d", (imm >> 4), (imm & 1)); break;
}
break;
case FT32_FLD_CB:
imm = (iword >> FT32_FLD_CB_BIT) & ((1 << FT32_FLD_CB_SIZ) - 1);
fpr(stream, "%d", imm);
break;
case FT32_FLD_R_D:
fpr(stream, "$r%d", (iword >> FT32_FLD_R_D_BIT) & 0x1f);
break;
case FT32_FLD_CR:
imm = (iword >> FT32_FLD_CR_BIT) & ((1 << FT32_FLD_CR_SIZ) - 1);
fpr(stream, "$r%d", 28 + imm);
break;
case FT32_FLD_CV:
imm = (iword >> FT32_FLD_CV_BIT) & ((1 << FT32_FLD_CV_SIZ) - 1);
fpr(stream, "%d", imm);
break;
case FT32_FLD_R_1:
fpr(stream, "$r%d", (iword >> FT32_FLD_R_1_BIT) & 0x1f);
break;
case FT32_FLD_RIMM:
imm = (iword >> FT32_FLD_RIMM_BIT) & ((1 << FT32_FLD_RIMM_SIZ) - 1);
if (imm & 0x400)
info->print_address_func ((bfd_vma) imm & 0x1ff, info);
else
fpr(stream, "$r%d", imm & 0x1f);
break;
case FT32_FLD_R_2:
fpr(stream, "$r%d", (iword >> FT32_FLD_R_2_BIT) & 0x1f);
break;
case FT32_FLD_K20:
imm = iword & ((1 << FT32_FLD_K20_SIZ) - 1);
info->print_address_func ((bfd_vma) imm, info);
break;
case FT32_FLD_PA:
imm = (iword & ((1 << FT32_FLD_PA_SIZ) - 1)) << 2;
info->print_address_func ((bfd_vma) imm, info);
break;
case FT32_FLD_AA:
imm = iword & ((1 << FT32_FLD_AA_SIZ) - 1);
info->print_address_func ((bfd_vma) imm, info);
break;
break;
case FT32_FLD_K16:
imm = iword & ((1 << FT32_FLD_K16_SIZ) - 1);
info->print_address_func ((bfd_vma) imm, info);
break;
case FT32_FLD_K8:
imm = iword & ((1 << FT32_FLD_K8_SIZ) - 1);
info->print_address_func ((bfd_vma) imm, info);
break;
break;
case FT32_FLD_R_D_POST:
fpr(stream, "$r%d", (iword >> FT32_FLD_R_D_BIT) & 0x1f);
break;
case FT32_FLD_R_1_POST:
fpr(stream, "$r%d", (iword >> FT32_FLD_R_1_BIT) & 0x1f);
break;
default:
break;
}
f &= ~lobit;
if (f)
{
fpr(stream, ",");
}
}
}
}
else
{
fpr (stream, "%08x!", iword);
}
return 4;
fail:
info->memory_error_func (status, addr, info);
return -1;
}