diff options
author | John Darrington <john@darrington.wattle.id.au> | 2018-05-18 15:26:18 +0100 |
---|---|---|
committer | Nick Clifton <nickc@redhat.com> | 2018-05-18 15:26:18 +0100 |
commit | 7b4ae824289504c173a597e86a00ceab452095b7 (patch) | |
tree | 98efc51666beecffead172a6c29c4c1f75b14174 /opcodes | |
parent | 011b32fd4270fb7111ee1f63695ccd44562ee7df (diff) | |
download | gdb-7b4ae824289504c173a597e86a00ceab452095b7.zip gdb-7b4ae824289504c173a597e86a00ceab452095b7.tar.gz gdb-7b4ae824289504c173a597e86a00ceab452095b7.tar.bz2 |
Add support for the Freescale s12z processor.
bfd * Makefile.am: Add s12z files.
* Makefile.in: Regenerate.
* archures.c: Add bfd_s12z_arch.
* bfd-in.h: Add exports of bfd_putb24 and bfd_putl24.
* bfd-in2.h: Regenerate.
* config.bfd: Add s12z target.
* configure.ac: Add s12z target.
* configure: Regenerate.
* cpu-s12z.c: New file.
* elf32-s12z.c: New file.
* libbfd.c (bfd_putb24): New function.
(bfd_putl24): New function.
* libbfd.h: Regenerate.
* reloc.c: Add s12z relocations.
(bfd_get_reloc_size): Handle size 5 relocs.
* targets.c: Add s12z_elf32_vec.
opcodes * Makefile.am: Add support for s12z architecture.
* configure.ac: Likewise.
* disassemble.c: Likewise.
* disassemble.h: Likewise.
* Makefile.in: Regenerate.
* configure: Regenerate.
* s12z-dis.c: New file.
* s12z.h: New file.
include * elf/s12z.h: New header.
ld * Makefile.am: Add support for s12z architecture.
* configure.tgt: Likewise.
* Makefile.in: Regenerate.
* emulparams/m9s12zelf.sh: New file.
* scripttempl/elfm9s12z.sc: New file.
* testsuite/ld-discard/static.d: Expect to fail for the s12z
target.
* testsuite/ld-elf/endsym.d: Likewise.
* testsuite/ld-elf/merge.d: Likewise.
* testsuite/ld-elf/pr14926.d: Skip for the s12z target.
* testsuite/ld-elf/sec64k.exp: Likewise.
* testsuite/ld-s12z: New directory.
* testsuite/ld-s12z/opr-linking.d: New file.
* testsuite/ld-s12z/opr-linking.s: New file.
* testsuite/ld-s12z/relative-linking.d: New file.
* testsuite/ld-s12z/relative-linking.s: New file.
* testsuite/ld-s12z/z12s.exp: New file.
gas * Makefile.am: Add support for s12z target.
* Makefile.in: Regenerate.
* NEWS: Mention the new support.
* config/tc-s12z.c: New file.
* config/tc-s12z.h: New file.
* configure.tgt: Add s12z support.
* doc/Makefile.am: Likewise.
* doc/Makefile.in: Regenerate.
* doc/all.texi: Add s12z documentation.
* doc/as.textinfo: Likewise.
* doc/c-s12z.texi: New file.
* testsuite/gas/s12z: New directory.
* testsuite/gas/s12z/abs.d: New file.
* testsuite/gas/s12z/abs.s: New file.
* testsuite/gas/s12z/adc-imm.d: New file.
* testsuite/gas/s12z/adc-imm.s: New file.
* testsuite/gas/s12z/adc-opr.d: New file.
* testsuite/gas/s12z/adc-opr.s: New file.
* testsuite/gas/s12z/add-imm.d: New file.
* testsuite/gas/s12z/add-imm.s: New file.
* testsuite/gas/s12z/add-opr.d: New file.
* testsuite/gas/s12z/add-opr.s: New file.
* testsuite/gas/s12z/and-imm.d: New file.
* testsuite/gas/s12z/and-imm.s: New file.
* testsuite/gas/s12z/and-opr.d: New file.
* testsuite/gas/s12z/and-opr.s: New file.
* testsuite/gas/s12z/and-or-cc.d: New file.
* testsuite/gas/s12z/and-or-cc.s: New file.
* testsuite/gas/s12z/bfext-special.d: New file.
* testsuite/gas/s12z/bfext-special.s: New file.
* testsuite/gas/s12z/bfext.d: New file.
* testsuite/gas/s12z/bfext.s: New file.
* testsuite/gas/s12z/bit-manip.d: New file.
* testsuite/gas/s12z/bit-manip.s: New file.
* testsuite/gas/s12z/bit.d: New file.
* testsuite/gas/s12z/bit.s: New file.
* testsuite/gas/s12z/bra-expression-defined.d: New file.
* testsuite/gas/s12z/bra-expression-defined.s: New file.
* testsuite/gas/s12z/bra-expression-undef.d: New file.
* testsuite/gas/s12z/bra-expression-undef.s: New file.
* testsuite/gas/s12z/bra.d: New file.
* testsuite/gas/s12z/bra.s: New file.
* testsuite/gas/s12z/brclr-symbols.d: New file.
* testsuite/gas/s12z/brclr-symbols.s: New file.
* testsuite/gas/s12z/brset-clr-opr-imm-rel.d: New file.
* testsuite/gas/s12z/brset-clr-opr-imm-rel.s: New file.
* testsuite/gas/s12z/brset-clr-opr-reg-rel.d: New file.
* testsuite/gas/s12z/brset-clr-opr-reg-rel.s: New file.
* testsuite/gas/s12z/brset-clr-reg-imm-rel.d: New file.
* testsuite/gas/s12z/brset-clr-reg-imm-rel.s: New file.
* testsuite/gas/s12z/brset-clr-reg-reg-rel.d: New file.
* testsuite/gas/s12z/brset-clr-reg-reg-rel.s: New file.
* testsuite/gas/s12z/clb.d: New file.
* testsuite/gas/s12z/clb.s: New file.
* testsuite/gas/s12z/clr-opr.d: New file.
* testsuite/gas/s12z/clr-opr.s: New file.
* testsuite/gas/s12z/clr.d: New file.
* testsuite/gas/s12z/clr.s: New file.
* testsuite/gas/s12z/cmp-imm.d: New file.
* testsuite/gas/s12z/cmp-imm.s: New file.
* testsuite/gas/s12z/cmp-opr-inc.d: New file.
* testsuite/gas/s12z/cmp-opr-inc.s: New file.
* testsuite/gas/s12z/cmp-opr-rdirect.d: New file.
* testsuite/gas/s12z/cmp-opr-rdirect.s: New file.
* testsuite/gas/s12z/cmp-opr-reg.d: New file.
* testsuite/gas/s12z/cmp-opr-reg.s: New file.
* testsuite/gas/s12z/cmp-opr-rindirect.d: New file.
* testsuite/gas/s12z/cmp-opr-rindirect.s: New file.
* testsuite/gas/s12z/cmp-opr-sxe4.d: New file.
* testsuite/gas/s12z/cmp-opr-sxe4.s: New file.
* testsuite/gas/s12z/cmp-opr-xys.d: New file.
* testsuite/gas/s12z/cmp-opr-xys.s: New file.
* testsuite/gas/s12z/cmp-s-imm.d: New file.
* testsuite/gas/s12z/cmp-s-imm.s: New file.
* testsuite/gas/s12z/cmp-s-opr.d: New file.
* testsuite/gas/s12z/cmp-s-opr.s: New file.
* testsuite/gas/s12z/cmp-xy.d: New file.
* testsuite/gas/s12z/cmp-xy.s: New file.
* testsuite/gas/s12z/com-opr.d: New file.
* testsuite/gas/s12z/com-opr.s: New file.
* testsuite/gas/s12z/complex-shifts.d: New file.
* testsuite/gas/s12z/complex-shifts.s: New file.
* testsuite/gas/s12z/db-tb-cc-opr.d: New file.
* testsuite/gas/s12z/db-tb-cc-opr.s: New file.
* testsuite/gas/s12z/db-tb-cc-reg.d: New file.
* testsuite/gas/s12z/db-tb-cc-reg.s: New file.
* testsuite/gas/s12z/dbCC.d: New file.
* testsuite/gas/s12z/dbCC.s: New file.
* testsuite/gas/s12z/dec-opr.d: New file.
* testsuite/gas/s12z/dec-opr.s: New file.
* testsuite/gas/s12z/dec.d: New file.
* testsuite/gas/s12z/dec.s: New file.
* testsuite/gas/s12z/div.d: New file.
* testsuite/gas/s12z/div.s: New file.
* testsuite/gas/s12z/eor.d: New file.
* testsuite/gas/s12z/eor.s: New file.
* testsuite/gas/s12z/exg.d: New file.
* testsuite/gas/s12z/exg.s: New file.
* testsuite/gas/s12z/ext24-ld-xy.d: New file.
* testsuite/gas/s12z/ext24-ld-xy.s: New file.
* testsuite/gas/s12z/inc-opr.d: New file.
* testsuite/gas/s12z/inc-opr.s: New file.
* testsuite/gas/s12z/inc.d: New file.
* testsuite/gas/s12z/inc.s: New file.
* testsuite/gas/s12z/inh.d: New file.
* testsuite/gas/s12z/inh.s: New file.
* testsuite/gas/s12z/jmp.d: New file.
* testsuite/gas/s12z/jmp.s: New file.
* testsuite/gas/s12z/jsr.d: New file.
* testsuite/gas/s12z/jsr.s: New file.
* testsuite/gas/s12z/ld-imm-page2.d: New file.
* testsuite/gas/s12z/ld-imm-page2.s: New file.
* testsuite/gas/s12z/ld-imm.d: New file.
* testsuite/gas/s12z/ld-imm.s: New file.
* testsuite/gas/s12z/ld-immu18.d: New file.
* testsuite/gas/s12z/ld-immu18.s: New file.
* testsuite/gas/s12z/ld-large-direct.d: New file.
* testsuite/gas/s12z/ld-large-direct.s: New file.
* testsuite/gas/s12z/ld-opr.d: New file.
* testsuite/gas/s12z/ld-opr.s: New file.
* testsuite/gas/s12z/ld-s-opr.d: New file.
* testsuite/gas/s12z/ld-s-opr.s: New file.
* testsuite/gas/s12z/ld-small-direct.d: New file.
* testsuite/gas/s12z/ld-small-direct.s: New file.
* testsuite/gas/s12z/lea-immu18.d: New file.
* testsuite/gas/s12z/lea-immu18.s: New file.
* testsuite/gas/s12z/lea.d: New file.
* testsuite/gas/s12z/lea.s: New file.
* testsuite/gas/s12z/mac.d: New file.
* testsuite/gas/s12z/mac.s: New file.
* testsuite/gas/s12z/min-max.d: New file.
* testsuite/gas/s12z/min-max.s: New file.
* testsuite/gas/s12z/mod.d: New file.
* testsuite/gas/s12z/mod.s: New file.
* testsuite/gas/s12z/mov.d: New file.
* testsuite/gas/s12z/mov.s: New file.
* testsuite/gas/s12z/mul-imm.d: New file.
* testsuite/gas/s12z/mul-imm.s: New file.
* testsuite/gas/s12z/mul-opr-opr.d: New file.
* testsuite/gas/s12z/mul-opr-opr.s: New file.
* testsuite/gas/s12z/mul-opr.d: New file.
* testsuite/gas/s12z/mul-opr.s: New file.
* testsuite/gas/s12z/mul-reg.d: New file.
* testsuite/gas/s12z/mul-reg.s: New file.
* testsuite/gas/s12z/mul.d: New file.
* testsuite/gas/s12z/mul.s: New file.
* testsuite/gas/s12z/neg-opr.d: New file.
* testsuite/gas/s12z/neg-opr.s: New file.
* testsuite/gas/s12z/not-so-simple-shifts.d: New file.
* testsuite/gas/s12z/not-so-simple-shifts.s: New file.
* testsuite/gas/s12z/opr-18u.d: New file.
* testsuite/gas/s12z/opr-18u.s: New file.
* testsuite/gas/s12z/opr-expr.d: New file.
* testsuite/gas/s12z/opr-expr.s: New file.
* testsuite/gas/s12z/opr-ext-18.d: New file.
* testsuite/gas/s12z/opr-ext-18.s: New file.
* testsuite/gas/s12z/opr-idx-24-reg.d: New file.
* testsuite/gas/s12z/opr-idx-24-reg.s: New file.
* testsuite/gas/s12z/opr-idx3-reg.d: New file.
* testsuite/gas/s12z/opr-idx3-reg.s: New file.
* testsuite/gas/s12z/opr-idx3-xysp-24.d: New file.
* testsuite/gas/s12z/opr-idx3-xysp-24.s: New file.
* testsuite/gas/s12z/opr-indirect-expr.d: New file.
* testsuite/gas/s12z/opr-indirect-expr.s: New file.
* testsuite/gas/s12z/opr-symbol.d: New file.
* testsuite/gas/s12z/opr-symbol.s: New file.
* testsuite/gas/s12z/or-imm.d: New file.
* testsuite/gas/s12z/or-imm.s: New file.
* testsuite/gas/s12z/or-opr.d: New file.
* testsuite/gas/s12z/or-opr.s: New file.
* testsuite/gas/s12z/p2-mul.d: New file.
* testsuite/gas/s12z/p2-mul.s: New file.
* testsuite/gas/s12z/page2-inh.d: New file.
* testsuite/gas/s12z/page2-inh.s: New file.
* testsuite/gas/s12z/psh-pul.d: New file.
* testsuite/gas/s12z/psh-pul.s: New file.
* testsuite/gas/s12z/qmul.d: New file.
* testsuite/gas/s12z/qmul.s: New file.
* testsuite/gas/s12z/rotate.d: New file.
* testsuite/gas/s12z/rotate.s: New file.
* testsuite/gas/s12z/s12z.exp: New file.
* testsuite/gas/s12z/sat.d: New file.
* testsuite/gas/s12z/sat.s: New file.
* testsuite/gas/s12z/sbc-imm.d: New file.
* testsuite/gas/s12z/sbc-imm.s: New file.
* testsuite/gas/s12z/sbc-opr.d: New file.
* testsuite/gas/s12z/sbc-opr.s: New file.
* testsuite/gas/s12z/shift.d: New file.
* testsuite/gas/s12z/shift.s: New file.
* testsuite/gas/s12z/simple-shift.d: New file.
* testsuite/gas/s12z/simple-shift.s: New file.
* testsuite/gas/s12z/single-ops.d: New file.
* testsuite/gas/s12z/single-ops.s: New file.
* testsuite/gas/s12z/specd6.d: New file.
* testsuite/gas/s12z/specd6.s: New file.
* testsuite/gas/s12z/st-large-direct.d: New file.
* testsuite/gas/s12z/st-large-direct.s: New file.
* testsuite/gas/s12z/st-opr.d: New file.
* testsuite/gas/s12z/st-opr.s: New file.
* testsuite/gas/s12z/st-s-opr.d: New file.
* testsuite/gas/s12z/st-s-opr.s: New file.
* testsuite/gas/s12z/st-small-direct.d: New file.
* testsuite/gas/s12z/st-small-direct.s: New file.
* testsuite/gas/s12z/st-xy.d: New file.
* testsuite/gas/s12z/st-xy.s: New file.
* testsuite/gas/s12z/sub-imm.d: New file.
* testsuite/gas/s12z/sub-imm.s: New file.
* testsuite/gas/s12z/sub-opr.d: New file.
* testsuite/gas/s12z/sub-opr.s: New file.
* testsuite/gas/s12z/tfr.d: New file.
* testsuite/gas/s12z/tfr.s: New file.
* testsuite/gas/s12z/trap.d: New file.
* testsuite/gas/s12z/trap.s: New file.
binutils* readelf.c: Add support for s12z architecture.
* testsuite/lib/binutils-common.exp (is_elf_format): Excluse s12z
targets.
Diffstat (limited to 'opcodes')
-rw-r--r-- | opcodes/ChangeLog | 11 | ||||
-rw-r--r-- | opcodes/Makefile.am | 1 | ||||
-rw-r--r-- | opcodes/Makefile.in | 2 | ||||
-rwxr-xr-x | opcodes/configure | 1 | ||||
-rw-r--r-- | opcodes/configure.ac | 1 | ||||
-rw-r--r-- | opcodes/disassemble.c | 5 | ||||
-rw-r--r-- | opcodes/disassemble.h | 1 | ||||
-rw-r--r-- | opcodes/s12z-dis.c | 2672 | ||||
-rw-r--r-- | opcodes/s12z.h | 71 |
9 files changed, 2765 insertions, 0 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index c3f345b..a147cc3 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,14 @@ +2018-05-18 John Darrington <john@darrington.wattle.id.au> + + * Makefile.am: Add support for s12z architecture. + * configure.ac: Likewise. + * disassemble.c: Likewise. + * disassemble.h: Likewise. + * Makefile.in: Regenerate. + * configure: Regenerate. + * s12z-dis.c: New file. + * s12z.h: New file. + 2018-05-18 Alan Modra <amodra@gmail.com> * nfp-dis.c: Don't #include libbfd.h. diff --git a/opcodes/Makefile.am b/opcodes/Makefile.am index 0c7d09d..98fd7f3 100644 --- a/opcodes/Makefile.am +++ b/opcodes/Makefile.am @@ -175,6 +175,7 @@ TARGET_LIBOPCODES_CFILES = \ m68hc11-opc.c \ m68k-dis.c \ m68k-opc.c \ + s12z-dis.c \ mcore-dis.c \ mep-asm.c \ mep-desc.c \ diff --git a/opcodes/Makefile.in b/opcodes/Makefile.in index 0d85bd4..b55daea 100644 --- a/opcodes/Makefile.in +++ b/opcodes/Makefile.in @@ -477,6 +477,7 @@ TARGET_LIBOPCODES_CFILES = \ m68hc11-opc.c \ m68k-dis.c \ m68k-opc.c \ + s12z-dis.c \ mcore-dis.c \ mep-asm.c \ mep-desc.c \ @@ -878,6 +879,7 @@ distclean-compile: @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/m68hc11-opc.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/m68k-dis.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/m68k-opc.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/s12z-dis.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mcore-dis.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mep-asm.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mep-desc.Plo@am__quote@ diff --git a/opcodes/configure b/opcodes/configure index c7a8805..c5f0c10 100755 --- a/opcodes/configure +++ b/opcodes/configure @@ -12659,6 +12659,7 @@ if test x${all_targets} = xfalse ; then bfd_m68hc12_arch) ta="$ta m68hc11-dis.lo m68hc11-opc.lo" ;; bfd_m9s12x_arch) ta="$ta m68hc11-dis.lo m68hc11-opc.lo" ;; bfd_m9s12xg_arch) ta="$ta m68hc11-dis.lo m68hc11-opc.lo" ;; + bfd_s12z_arch) ta="$ta s12z-dis.lo m68hc11-opc.lo" ;; bfd_m68k_arch) ta="$ta m68k-dis.lo m68k-opc.lo" ;; bfd_mcore_arch) ta="$ta mcore-dis.lo" ;; bfd_mep_arch) ta="$ta mep-asm.lo mep-desc.lo mep-dis.lo mep-ibld.lo mep-opc.lo" using_cgen=yes ;; diff --git a/opcodes/configure.ac b/opcodes/configure.ac index e42b661..86a0ca0 100644 --- a/opcodes/configure.ac +++ b/opcodes/configure.ac @@ -283,6 +283,7 @@ if test x${all_targets} = xfalse ; then bfd_m68hc12_arch) ta="$ta m68hc11-dis.lo m68hc11-opc.lo" ;; bfd_m9s12x_arch) ta="$ta m68hc11-dis.lo m68hc11-opc.lo" ;; bfd_m9s12xg_arch) ta="$ta m68hc11-dis.lo m68hc11-opc.lo" ;; + bfd_s12z_arch) ta="$ta s12z-dis.lo m68hc11-opc.lo" ;; bfd_m68k_arch) ta="$ta m68k-dis.lo m68k-opc.lo" ;; bfd_mcore_arch) ta="$ta mcore-dis.lo" ;; bfd_mep_arch) ta="$ta mep-asm.lo mep-desc.lo mep-dis.lo mep-ibld.lo mep-opc.lo" using_cgen=yes ;; diff --git a/opcodes/disassemble.c b/opcodes/disassemble.c index 100ccd3..c8fda59 100644 --- a/opcodes/disassemble.c +++ b/opcodes/disassemble.c @@ -251,6 +251,11 @@ disassembler (enum bfd_architecture a, disassemble = print_insn_m9s12xg; break; #endif +#if defined(ARCH_s12z) + case bfd_arch_s12z: + disassemble = print_insn_s12z; + break; +#endif #ifdef ARCH_m68k case bfd_arch_m68k: disassemble = print_insn_m68k; diff --git a/opcodes/disassemble.h b/opcodes/disassemble.h index 9d78b21..0457344 100644 --- a/opcodes/disassemble.h +++ b/opcodes/disassemble.h @@ -61,6 +61,7 @@ extern int print_insn_m68hc11 (bfd_vma, disassemble_info *); extern int print_insn_m68hc12 (bfd_vma, disassemble_info *); extern int print_insn_m9s12x (bfd_vma, disassemble_info *); extern int print_insn_m9s12xg (bfd_vma, disassemble_info *); +extern int print_insn_s12z (bfd_vma, disassemble_info *); extern int print_insn_m68k (bfd_vma, disassemble_info *); extern int print_insn_mcore (bfd_vma, disassemble_info *); extern int print_insn_metag (bfd_vma, disassemble_info *); diff --git a/opcodes/s12z-dis.c b/opcodes/s12z-dis.c new file mode 100644 index 0000000..4512311 --- /dev/null +++ b/opcodes/s12z-dis.c @@ -0,0 +1,2672 @@ +/* s12z-dis.c -- Freescale S12Z disassembly + Copyright (C) 2018 Free Software Foundation, Inc. + + 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> +#include <stdint.h> +#include <stdbool.h> +#include <assert.h> + +#include "s12z.h" + +#include "bfd.h" +#include "dis-asm.h" + + +#include "disassemble.h" + +static int +read_memory (bfd_vma memaddr, bfd_byte* buffer, int size, + struct disassemble_info* info) +{ + int status = (*info->read_memory_func) (memaddr, buffer, size, info); + if (status != 0) + { + (*info->memory_error_func) (status, memaddr, info); + return -1; + } + return 0; +} + +typedef int (* insn_bytes_f) (bfd_vma memaddr, + struct disassemble_info* info); + +typedef void (*operands_f) (bfd_vma memaddr, struct disassemble_info* info); + +enum OPR_MODE + { + OPR_IMMe4, + OPR_REG, + OPR_OFXYS, + OPR_XY_PRE_INC, + OPR_XY_POST_INC, + OPR_XY_PRE_DEC, + OPR_XY_POST_DEC, + OPR_S_PRE_DEC, + OPR_S_POST_INC, + OPR_REG_DIRECT, + OPR_REG_INDIRECT, + OPR_IDX_DIRECT, + OPR_IDX_INDIRECT, + OPR_EXT1, + OPR_IDX2_REG, + OPR_IDX3_DIRECT, + OPR_IDX3_INDIRECT, + + OPR_EXT18, + OPR_IDX3_DIRECT_REG, + OPR_EXT3_DIRECT, + OPR_EXT3_INDIRECT + }; + +struct opr_pb +{ + uint8_t mask; + uint8_t value; + int n_operands; + enum OPR_MODE mode; +}; + +static const struct opr_pb opr_pb[] = { + {0xF0, 0x70, 1, OPR_IMMe4}, + {0xF8, 0xB8, 1, OPR_REG}, + {0xC0, 0x40, 1, OPR_OFXYS}, + {0xEF, 0xE3, 1, OPR_XY_PRE_INC}, + {0xEF, 0xE7, 1, OPR_XY_POST_INC}, + {0xEF, 0xC3, 1, OPR_XY_PRE_DEC}, + {0xEF, 0xC7, 1, OPR_XY_POST_DEC}, + {0xFF, 0xFB, 1, OPR_S_PRE_DEC}, + {0xFF, 0xFF, 1, OPR_S_POST_INC}, + {0xC8, 0x88, 1, OPR_REG_DIRECT}, + {0xE8, 0xC8, 1, OPR_REG_INDIRECT}, + + {0xCE, 0xC0, 2, OPR_IDX_DIRECT}, + {0xCE, 0xC4, 2, OPR_IDX_INDIRECT}, + {0xC0, 0x00, 2, OPR_EXT1}, + + {0xC8, 0x80, 3, OPR_IDX2_REG}, + {0xFA, 0xF8, 3, OPR_EXT18}, + + {0xCF, 0xC2, 4, OPR_IDX3_DIRECT}, + {0xCF, 0xC6, 4, OPR_IDX3_INDIRECT}, + + {0xF8, 0xE8, 4, OPR_IDX3_DIRECT_REG}, + {0xFF, 0xFA, 4, OPR_EXT3_DIRECT}, + {0xFF, 0xFE, 4, OPR_EXT3_INDIRECT}, +}; + + +/* Return the number of bytes in a OPR operand, including the XB postbyte. + It does not include any preceeding opcodes. */ +static int +opr_n_bytes (bfd_vma memaddr, struct disassemble_info* info) +{ + bfd_byte xb; + int status = read_memory (memaddr, &xb, 1, info); + if (status < 0) + return status; + + size_t i; + for (i = 0; i < sizeof (opr_pb) / sizeof (opr_pb[0]); ++i) + { + const struct opr_pb *pb = opr_pb + i; + if ((xb & pb->mask) == pb->value) + { + return pb->n_operands; + } + } + + return 1; +} + +static int +opr_n_bytes_p1 (bfd_vma memaddr, struct disassemble_info* info) +{ + return 1 + opr_n_bytes (memaddr, info); +} + +static int +opr_n_bytes2 (bfd_vma memaddr, struct disassemble_info* info) +{ + int s = opr_n_bytes (memaddr, info); + s += opr_n_bytes (memaddr + s, info); + return s + 1; +} + +enum BB_MODE + { + BB_REG_REG_REG, + BB_REG_REG_IMM, + BB_REG_OPR_REG, + BB_OPR_REG_REG, + BB_REG_OPR_IMM, + BB_OPR_REG_IMM + }; + +struct opr_bb +{ + uint8_t mask; + uint8_t value; + int n_operands; + bool opr; + enum BB_MODE mode; +}; + +static const struct opr_bb bb_modes[] = + { + {0x60, 0x00, 2, false, BB_REG_REG_REG}, + {0x60, 0x20, 3, false, BB_REG_REG_IMM}, + {0x70, 0x40, 2, true, BB_REG_OPR_REG}, + {0x70, 0x50, 2, true, BB_OPR_REG_REG}, + {0x70, 0x60, 3, true, BB_REG_OPR_IMM}, + {0x70, 0x70, 3, true, BB_OPR_REG_IMM} + }; + +static int +bfextins_n_bytes (bfd_vma memaddr, struct disassemble_info* info) +{ + bfd_byte bb; + int status = read_memory (memaddr, &bb, 1, info); + if (status < 0) + return status; + + size_t i; + const struct opr_bb *bbs = 0; + for (i = 0; i < sizeof (bb_modes) / sizeof (bb_modes[0]); ++i) + { + bbs = bb_modes + i; + if ((bb & bbs->mask) == bbs->value) + { + break; + } + } + + int n = bbs->n_operands; + if (bbs->opr) + n += opr_n_bytes (memaddr + n - 1, info); + + return n; +} + +static int +single (bfd_vma memaddr ATTRIBUTE_UNUSED, + struct disassemble_info* info ATTRIBUTE_UNUSED) +{ + return 1; +} + +static int +two (bfd_vma memaddr ATTRIBUTE_UNUSED, + struct disassemble_info* info ATTRIBUTE_UNUSED) +{ + return 2; +} + +static int +three (bfd_vma memaddr ATTRIBUTE_UNUSED, + struct disassemble_info* info ATTRIBUTE_UNUSED) +{ + return 3; +} + +static int +four (bfd_vma memaddr ATTRIBUTE_UNUSED, + struct disassemble_info* info ATTRIBUTE_UNUSED) +{ + return 4; +} + +static int +five (bfd_vma memaddr ATTRIBUTE_UNUSED, + struct disassemble_info* info ATTRIBUTE_UNUSED) +{ + return 5; +} + +static int +pcrel_15bit (bfd_vma memaddr, struct disassemble_info* info) +{ + bfd_byte byte; + int status = read_memory (memaddr, &byte, 1, info); + if (status < 0) + return status; + return (byte & 0x80) ? 3 : 2; +} + + + + +static void +operand_separator (struct disassemble_info *info) +{ + if ((info->flags & 0x2)) + { + (*info->fprintf_func) (info->stream, ", "); + } + else + { + (*info->fprintf_func) (info->stream, " "); + } + + info->flags |= 0x2; +} + + + +static void +imm1 (bfd_vma memaddr, struct disassemble_info* info) +{ + bfd_byte byte; + int status = read_memory (memaddr, &byte, 1, info); + if (status < 0) + return; + + operand_separator (info); + (*info->fprintf_func) (info->stream, "#%d", byte); +} + +static void +trap_decode (bfd_vma memaddr, struct disassemble_info* info) +{ + imm1 (memaddr - 1, info); +} + + +const struct reg registers[S12Z_N_REGISTERS] = + { + {"d2", 2}, + {"d3", 2}, + {"d4", 2}, + {"d5", 2}, + + {"d0", 1}, + {"d1", 1}, + + {"d6", 4}, + {"d7", 4}, + + {"x", 3}, + {"y", 3}, + {"s", 3}, + {"p", 3}, + {"cch", 1}, + {"ccl", 1}, + {"ccw", 2} + }; + +static char * +xys_from_postbyte (uint8_t postbyte) +{ + char *reg = "?"; + switch ((postbyte & 0x30) >> 4) + { + case 0: + reg = "x"; + break; + case 1: + reg = "y"; + break; + case 2: + reg = "s"; + break; + default: + reg = "?"; + break; + } + return reg; +} + +static char * +xysp_from_postbyte (uint8_t postbyte) +{ + char *reg = "?"; + switch ((postbyte & 0x30) >> 4) + { + case 0: + reg = "x"; + break; + case 1: + reg = "y"; + break; + case 2: + reg = "s"; + break; + default: + reg = "p"; + break; + } + return reg; +} + +/* Render the symbol name whose value is ADDR or the adddress itself if there is + no symbol. */ +static void +decode_possible_symbol (bfd_vma addr, struct disassemble_info *info) +{ + if (!info->symbol_at_address_func (addr, info)) + { + (*info->fprintf_func) (info->stream, "%" BFD_VMA_FMT "d", addr); + } + else + { + asymbol *sym = NULL; + int j; + for (j = 0; j < info->symtab_size; ++j) + { + sym = info->symtab[j]; + if (bfd_asymbol_value (sym) == addr) + { + break; + } + } + if (j < info->symtab_size) + (*info->fprintf_func) (info->stream, "%s", bfd_asymbol_name (sym)); + } +} + +static void ld_18bit_decode (bfd_vma memaddr, struct disassemble_info* info); + +static void +ext24_decode (bfd_vma memaddr, struct disassemble_info* info) +{ + uint8_t buffer[3]; + int status = read_memory (memaddr, buffer, 3, info); + if (status < 0) + return; + + int i; + uint32_t addr = 0; + for (i = 0; i < 3; ++i) + { + addr <<= 8; + addr |= buffer[i]; + } + + operand_separator (info); + decode_possible_symbol (addr, info); +} + + +static uint32_t +decode_signed_value (bfd_vma memaddr, struct disassemble_info* info, short size) +{ + assert (size >0); + assert (size <= 4); + bfd_byte buffer[4]; + if (0 > read_memory (memaddr, buffer, size, info)) + { + return 0; + } + + int i; + uint32_t value = 0; + for (i = 0; i < size; ++i) + { + value |= buffer[i] << (8 * (size - i - 1)); + } + + if (buffer[0] & 0x80) + { + /* Deal with negative values */ + value -= 0x1UL << (size * 8); + } + return value; +} + + +static void +opr_decode (bfd_vma memaddr, struct disassemble_info* info) +{ + bfd_byte postbyte; + int status = read_memory (memaddr, &postbyte, 1, info); + if (status < 0) + return; + + enum OPR_MODE mode = -1; + size_t i; + for (i = 0; i < sizeof (opr_pb) / sizeof (opr_pb[0]); ++i) + { + const struct opr_pb *pb = opr_pb + i; + if ((postbyte & pb->mask) == pb->value) + { + mode = pb->mode; + break; + } + } + + operand_separator (info); + switch (mode) + { + case OPR_IMMe4: + { + int n; + uint8_t x = (postbyte & 0x0F); + if (x == 0) + n = -1; + else + n = x; + + (*info->fprintf_func) (info->stream, "#%d", n); + break; + } + case OPR_REG: + { + uint8_t x = (postbyte & 0x07); + (*info->fprintf_func) (info->stream, "%s", registers[x].name); + break; + } + case OPR_OFXYS: + { + const char *reg = xys_from_postbyte (postbyte); + (*info->fprintf_func) (info->stream, "(%d,%s)", postbyte & 0x0F, reg); + break; + } + case OPR_REG_DIRECT: + { + (*info->fprintf_func) (info->stream, "(%s,%s)", registers[postbyte & 0x07].name, + xys_from_postbyte (postbyte)); + break; + } + case OPR_REG_INDIRECT: + { + (*info->fprintf_func) (info->stream, "[%s,%s]", registers[postbyte & 0x07].name, + (postbyte & 0x10) ? "y": "x"); + break; + } + + case OPR_IDX_INDIRECT: + { + uint8_t x1; + read_memory (memaddr + 1, &x1, 1, info); + int idx = x1; + + if (postbyte & 0x01) + { + /* Deal with negative values */ + idx -= 0x1UL << 8; + } + + (*info->fprintf_func) (info->stream, "[%d,%s]", idx, + xysp_from_postbyte (postbyte)); + break; + } + + case OPR_IDX3_DIRECT: + { + uint8_t x[3]; + read_memory (memaddr + 1, x, 3, info); + int idx = x[0] << 16 | x[1] << 8 | x[2]; + + if (x[0] & 0x80) + { + /* Deal with negative values */ + idx -= 0x1UL << 24; + } + + (*info->fprintf_func) (info->stream, "(%d,%s)", idx, + xysp_from_postbyte (postbyte)); + break; + } + + case OPR_IDX3_DIRECT_REG: + { + uint8_t x[3]; + read_memory (memaddr + 1, x, 3, info); + int idx = x[0] << 16 | x[1] << 8 | x[2]; + + if (x[0] & 0x80) + { + /* Deal with negative values */ + idx -= 0x1UL << 24; + } + + (*info->fprintf_func) (info->stream, "(%d,%s)", idx, + registers[postbyte & 0x07].name); + break; + } + + case OPR_IDX3_INDIRECT: + { + uint8_t x[3]; + read_memory (memaddr + 1, x, 3, info); + int idx = x[0] << 16 | x[1] << 8 | x[2]; + + if (x[0] & 0x80) + { + /* Deal with negative values */ + idx -= 0x1UL << 24; + } + + (*info->fprintf_func) (info->stream, "[%d,%s]", idx, + xysp_from_postbyte (postbyte)); + break; + } + + case OPR_IDX_DIRECT: + { + uint8_t x1; + read_memory (memaddr + 1, &x1, 1, info); + int idx = x1; + + if (postbyte & 0x01) + { + /* Deal with negative values */ + idx -= 0x1UL << 8; + } + + (*info->fprintf_func) (info->stream, "(%d,%s)", idx, + xysp_from_postbyte (postbyte)); + break; + } + + case OPR_IDX2_REG: + { + uint8_t x[2]; + read_memory (memaddr + 1, x, 2, info); + uint32_t offset = x[1] | x[0] << 8 ; + offset |= (postbyte & 0x30) << 12; + + (*info->fprintf_func) (info->stream, "(%d,%s)", offset, + registers[postbyte & 0x07].name); + break; + } + + case OPR_XY_PRE_INC: + { + (*info->fprintf_func) (info->stream, "(+%s)", + (postbyte & 0x10) ? "y": "x"); + + break; + } + case OPR_XY_POST_INC: + { + (*info->fprintf_func) (info->stream, "(%s+)", + (postbyte & 0x10) ? "y": "x"); + + break; + } + case OPR_XY_PRE_DEC: + { + (*info->fprintf_func) (info->stream, "(-%s)", + (postbyte & 0x10) ? "y": "x"); + + break; + } + case OPR_XY_POST_DEC: + { + (*info->fprintf_func) (info->stream, "(%s-)", + (postbyte & 0x10) ? "y": "x"); + + break; + } + case OPR_S_PRE_DEC: + { + (*info->fprintf_func) (info->stream, "(-s)"); + break; + } + case OPR_S_POST_INC: + { + (*info->fprintf_func) (info->stream, "(s+)"); + break; + } + + case OPR_EXT18: + { + const size_t size = 2; + bfd_byte buffer[4]; + status = read_memory (memaddr + 1, buffer, size, info); + if (status < 0) + return; + + uint32_t ext18 = 0; + for (i = 0; i < size; ++i) + { + ext18 <<= 8; + ext18 |= buffer[i]; + } + + ext18 |= (postbyte & 0x01) << 16; + ext18 |= (postbyte & 0x04) << 15; + + decode_possible_symbol (ext18, info); + break; + } + + case OPR_EXT1: + { + uint8_t x1 = 0; + read_memory (memaddr + 1, &x1, 1, info); + int16_t addr; + addr = x1; + addr |= (postbyte & 0x3f) << 8; + + decode_possible_symbol (addr, info); + break; + } + + case OPR_EXT3_DIRECT: + { + const size_t size = 3; + bfd_byte buffer[4]; + status = read_memory (memaddr + 1, buffer, size, info); + if (status < 0) + return; + + uint32_t ext24 = 0; + for (i = 0; i < size; ++i) + { + ext24 |= buffer[i] << (8 * (size - i - 1)); + } + + decode_possible_symbol (ext24, info); + break; + } + + case OPR_EXT3_INDIRECT: + { + const size_t size = 3; + bfd_byte buffer[4]; + status = read_memory (memaddr + 1, buffer, size, info); + if (status < 0) + return; + + uint32_t ext24 = 0; + for (i = 0; i < size; ++i) + { + ext24 |= buffer[i] << (8 * (size - i - 1)); + } + + (*info->fprintf_func) (info->stream, "[%d]", ext24); + + break; + } + + default: + (*info->fprintf_func) (info->stream, "Unknown OPR mode #0x%x (%d)", postbyte, mode); + } +} + + +static void +opr_decode2 (bfd_vma memaddr, struct disassemble_info* info) +{ + int n = opr_n_bytes (memaddr, info); + opr_decode (memaddr, info); + opr_decode (memaddr + n, info); +} + +static void +imm1234 (bfd_vma memaddr, struct disassemble_info* info, int base) +{ + bfd_byte opcode; + int status = read_memory (memaddr - 1, &opcode, 1, info); + if (status < 0) + return; + + opcode -= base; + + int size = registers[opcode & 0xF].bytes; + + uint32_t imm = decode_signed_value (memaddr, info, size); + operand_separator (info); + (*info->fprintf_func) (info->stream, "#%d", imm); +} + + +/* Special case of LD and CMP with register S and IMM operand */ +static void +reg_s_imm (bfd_vma memaddr, struct disassemble_info* info) +{ + operand_separator (info); + (*info->fprintf_func) (info->stream, "s"); + + uint32_t imm = decode_signed_value (memaddr, info, 3); + operand_separator (info); + (*info->fprintf_func) (info->stream, "#%d", imm); +} + +/* Special case of LD, CMP and ST with register S and OPR operand */ +static void +reg_s_opr (bfd_vma memaddr, struct disassemble_info* info) +{ + operand_separator (info); + (*info->fprintf_func) (info->stream, "s"); + + opr_decode (memaddr, info); +} + +static void +imm1234_8base (bfd_vma memaddr, struct disassemble_info* info) +{ + imm1234 (memaddr, info, 8); +} + +static void +imm1234_0base (bfd_vma memaddr, struct disassemble_info* info) +{ + imm1234 (memaddr, info, 0); +} + +static void +tfr (bfd_vma memaddr, struct disassemble_info* info) +{ + bfd_byte byte; + int status = read_memory (memaddr, &byte, 1, info); + if (status < 0) + return; + + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s, %s", + registers[byte >> 4].name, + registers[byte & 0xF].name); +} + + +static void +reg (bfd_vma memaddr, struct disassemble_info* info) +{ + bfd_byte byte; + int status = read_memory (memaddr - 1, &byte, 1, info); + if (status < 0) + return; + + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", registers[byte & 0x07].name); +} + +static void +reg_xy (bfd_vma memaddr, struct disassemble_info* info) +{ + bfd_byte byte; + int status = read_memory (memaddr - 1, &byte, 1, info); + if (status < 0) + return; + + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", (byte & 0x01) ? "y" : "x"); +} + +static void +lea_reg_xys_opr (bfd_vma memaddr, struct disassemble_info* info) +{ + bfd_byte byte; + int status = read_memory (memaddr - 1, &byte, 1, info); + if (status < 0) + return; + + char *reg = NULL; + switch (byte & 0x03) + { + case 0x00: + reg = "x"; + break; + case 0x01: + reg = "y"; + break; + case 0x02: + reg = "s"; + break; + } + + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", reg); + opr_decode (memaddr, info); +} + + + +static void +lea_reg_xys (bfd_vma memaddr, struct disassemble_info* info) +{ + bfd_byte byte; + int status = read_memory (memaddr - 1, &byte, 1, info); + if (status < 0) + return; + + char *reg = NULL; + switch (byte & 0x03) + { + case 0x00: + reg = "x"; + break; + case 0x01: + reg = "y"; + break; + case 0x02: + reg = "s"; + break; + } + + status = read_memory (memaddr, &byte, 1, info); + if (status < 0) + return; + + int8_t v = byte; + + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s, (%d,%s)", reg, v, reg); +} + + +/* PC Relative offsets of size 15 or 7 bits */ +static void +rel_15_7 (bfd_vma memaddr, struct disassemble_info* info, int offset) +{ + bfd_byte upper; + int status = read_memory (memaddr, &upper, 1, info); + if (status < 0) + return; + + bool rel_size = (upper & 0x80); + + int16_t addr = upper; + if (rel_size) + { + /* 15 bits. Get the next byte */ + bfd_byte lower; + status = read_memory (memaddr + 1, &lower, 1, info); + if (status < 0) + return; + + addr <<= 8; + addr |= lower; + addr &= 0x7FFF; + + bool negative = (addr & 0x4000); + addr &= 0x3FFF; + if (negative) + addr = addr - 0x4000; + } + else + { + /* 7 bits. */ + bool negative = (addr & 0x40); + addr &= 0x3F; + if (negative) + addr = addr - 0x40; + } + + operand_separator (info); + if (!info->symbol_at_address_func (addr + memaddr - offset, info)) + { + (*info->fprintf_func) (info->stream, "*%+d", addr); + } + else + { + asymbol *sym = NULL; + int i; + for (i = 0; i < info->symtab_size; ++i) + { + sym = info->symtab[i]; + if (bfd_asymbol_value (sym) == addr + memaddr - offset) + { + break; + } + } + if (i < info->symtab_size) + (*info->fprintf_func) (info->stream, "%s", bfd_asymbol_name (sym)); + } +} + + +/* PC Relative offsets of size 15 or 7 bits */ +static void +decode_rel_15_7 (bfd_vma memaddr, struct disassemble_info* info) +{ + rel_15_7 (memaddr, info, 1); +} + +struct opcode +{ + const char *mnemonic; + insn_bytes_f insn_bytes; + operands_f operands; + operands_f operands2; +}; + +static int shift_n_bytes (bfd_vma memaddr, struct disassemble_info* info); +static int mov_imm_opr_n_bytes (bfd_vma memaddr, struct disassemble_info* info); +static int loop_prim_n_bytes (bfd_vma memaddr, struct disassemble_info* info); +static void mov_imm_opr (bfd_vma memaddr, struct disassemble_info* info); +static void bm_rel_decode (bfd_vma memaddr, struct disassemble_info* info); +static int bm_rel_n_bytes (bfd_vma memaddr, struct disassemble_info* info); +static int mul_n_bytes (bfd_vma memaddr, struct disassemble_info* info); +static void mul_decode (bfd_vma memaddr, struct disassemble_info* info); +static int bm_n_bytes (bfd_vma memaddr, struct disassemble_info* info); +static void bm_decode (bfd_vma memaddr, struct disassemble_info* info); + +static void +cmp_xy (bfd_vma memaddr ATTRIBUTE_UNUSED, struct disassemble_info* info) +{ + operand_separator (info); + (*info->fprintf_func) (info->stream, "x, y"); +} + +static void +sub_d6_x_y (bfd_vma memaddr ATTRIBUTE_UNUSED, struct disassemble_info* info) +{ + operand_separator (info); + (*info->fprintf_func) (info->stream, "d6, x, y"); +} + +static void +sub_d6_y_x (bfd_vma memaddr ATTRIBUTE_UNUSED, struct disassemble_info* info) +{ + operand_separator (info); + (*info->fprintf_func) (info->stream, "d6, y, x"); +} + +static const char shift_size_table[] = { + 'b', 'w', 'p', 'l' +}; + +static const struct opcode page2[] = + { + [0x00] = {"ld", opr_n_bytes_p1, 0, reg_s_opr}, + [0x01] = {"st", opr_n_bytes_p1, 0, reg_s_opr}, + [0x02] = {"cmp", opr_n_bytes_p1, 0, reg_s_opr}, + [0x03] = {"ld", four, 0, reg_s_imm}, + [0x04] = {"cmp", four, 0, reg_s_imm}, + [0x05] = {"stop", single, 0, 0}, + [0x06] = {"wai", single, 0, 0}, + [0x07] = {"sys", single, 0, 0}, + [0x08] = {NULL, bfextins_n_bytes, 0, 0}, /* BFEXT / BFINS */ + [0x09] = {NULL, bfextins_n_bytes, 0, 0}, + [0x0a] = {NULL, bfextins_n_bytes, 0, 0}, + [0x0b] = {NULL, bfextins_n_bytes, 0, 0}, + [0x0c] = {NULL, bfextins_n_bytes, 0, 0}, + [0x0d] = {NULL, bfextins_n_bytes, 0, 0}, + [0x0e] = {NULL, bfextins_n_bytes, 0, 0}, + [0x0f] = {NULL, bfextins_n_bytes, 0, 0}, + [0x10] = {"minu", opr_n_bytes_p1, reg, opr_decode}, + [0x11] = {"minu", opr_n_bytes_p1, reg, opr_decode}, + [0x12] = {"minu", opr_n_bytes_p1, reg, opr_decode}, + [0x13] = {"minu", opr_n_bytes_p1, reg, opr_decode}, + [0x14] = {"minu", opr_n_bytes_p1, reg, opr_decode}, + [0x15] = {"minu", opr_n_bytes_p1, reg, opr_decode}, + [0x16] = {"minu", opr_n_bytes_p1, reg, opr_decode}, + [0x17] = {"minu", opr_n_bytes_p1, reg, opr_decode}, + [0x18] = {"maxu", opr_n_bytes_p1, reg, opr_decode}, + [0x19] = {"maxu", opr_n_bytes_p1, reg, opr_decode}, + [0x1a] = {"maxu", opr_n_bytes_p1, reg, opr_decode}, + [0x1b] = {"maxu", opr_n_bytes_p1, reg, opr_decode}, + [0x1c] = {"maxu", opr_n_bytes_p1, reg, opr_decode}, + [0x1d] = {"maxu", opr_n_bytes_p1, reg, opr_decode}, + [0x1e] = {"maxu", opr_n_bytes_p1, reg, opr_decode}, + [0x1f] = {"maxu", opr_n_bytes_p1, reg, opr_decode}, + [0x20] = {"mins", opr_n_bytes_p1, reg, opr_decode}, + [0x21] = {"mins", opr_n_bytes_p1, reg, opr_decode}, + [0x22] = {"mins", opr_n_bytes_p1, reg, opr_decode}, + [0x23] = {"mins", opr_n_bytes_p1, reg, opr_decode}, + [0x24] = {"mins", opr_n_bytes_p1, reg, opr_decode}, + [0x25] = {"mins", opr_n_bytes_p1, reg, opr_decode}, + [0x26] = {"mins", opr_n_bytes_p1, reg, opr_decode}, + [0x27] = {"mins", opr_n_bytes_p1, reg, opr_decode}, + [0x28] = {"maxs", opr_n_bytes_p1, reg, opr_decode}, + [0x29] = {"maxs", opr_n_bytes_p1, reg, opr_decode}, + [0x2a] = {"maxs", opr_n_bytes_p1, reg, opr_decode}, + [0x2b] = {"maxs", opr_n_bytes_p1, reg, opr_decode}, + [0x2c] = {"maxs", opr_n_bytes_p1, reg, opr_decode}, + [0x2d] = {"maxs", opr_n_bytes_p1, reg, opr_decode}, + [0x2e] = {"maxs", opr_n_bytes_p1, reg, opr_decode}, + [0x2f] = {"maxs", opr_n_bytes_p1, reg, opr_decode}, + [0x30] = {"div", mul_n_bytes, mul_decode, 0}, + [0x31] = {"div", mul_n_bytes, mul_decode, 0}, + [0x32] = {"div", mul_n_bytes, mul_decode, 0}, + [0x33] = {"div", mul_n_bytes, mul_decode, 0}, + [0x34] = {"div", mul_n_bytes, mul_decode, 0}, + [0x35] = {"div", mul_n_bytes, mul_decode, 0}, + [0x36] = {"div", mul_n_bytes, mul_decode, 0}, + [0x37] = {"div", mul_n_bytes, mul_decode, 0}, + [0x38] = {"mod", mul_n_bytes, mul_decode, 0}, + [0x39] = {"mod", mul_n_bytes, mul_decode, 0}, + [0x3a] = {"mod", mul_n_bytes, mul_decode, 0}, + [0x3b] = {"mod", mul_n_bytes, mul_decode, 0}, + [0x3c] = {"mod", mul_n_bytes, mul_decode, 0}, + [0x3d] = {"mod", mul_n_bytes, mul_decode, 0}, + [0x3e] = {"mod", mul_n_bytes, mul_decode, 0}, + [0x3f] = {"mod", mul_n_bytes, mul_decode, 0}, + [0x40] = {"abs", single, reg, 0}, + [0x41] = {"abs", single, reg, 0}, + [0x42] = {"abs", single, reg, 0}, + [0x43] = {"abs", single, reg, 0}, + [0x44] = {"abs", single, reg, 0}, + [0x45] = {"abs", single, reg, 0}, + [0x46] = {"abs", single, reg, 0}, + [0x47] = {"abs", single, reg, 0}, + [0x48] = {"mac", mul_n_bytes, mul_decode, 0}, + [0x49] = {"mac", mul_n_bytes, mul_decode, 0}, + [0x4a] = {"mac", mul_n_bytes, mul_decode, 0}, + [0x4b] = {"mac", mul_n_bytes, mul_decode, 0}, + [0x4c] = {"mac", mul_n_bytes, mul_decode, 0}, + [0x4d] = {"mac", mul_n_bytes, mul_decode, 0}, + [0x4e] = {"mac", mul_n_bytes, mul_decode, 0}, + [0x4f] = {"mac", mul_n_bytes, mul_decode, 0}, + [0x50] = {"adc", three, reg, imm1234_0base}, + [0x51] = {"adc", three, reg, imm1234_0base}, + [0x52] = {"adc", three, reg, imm1234_0base}, + [0x53] = {"adc", three, reg, imm1234_0base}, + [0x54] = {"adc", two, reg, imm1234_0base}, + [0x55] = {"adc", two, reg, imm1234_0base}, + [0x56] = {"adc", five, reg, imm1234_0base}, + [0x57] = {"adc", five, reg, imm1234_0base}, + [0x58] = {"bit", three, reg, imm1234_8base}, + [0x59] = {"bit", three, reg, imm1234_8base}, + [0x5a] = {"bit", three, reg, imm1234_8base}, + [0x5b] = {"bit", three, reg, imm1234_8base}, + [0x5c] = {"bit", two, reg, imm1234_8base}, + [0x5d] = {"bit", two, reg, imm1234_8base}, + [0x5e] = {"bit", five, reg, imm1234_8base}, + [0x5f] = {"bit", five, reg, imm1234_8base}, + [0x60] = {"adc", opr_n_bytes_p1, reg, opr_decode}, + [0x61] = {"adc", opr_n_bytes_p1, reg, opr_decode}, + [0x62] = {"adc", opr_n_bytes_p1, reg, opr_decode}, + [0x63] = {"adc", opr_n_bytes_p1, reg, opr_decode}, + [0x64] = {"adc", opr_n_bytes_p1, reg, opr_decode}, + [0x65] = {"adc", opr_n_bytes_p1, reg, opr_decode}, + [0x66] = {"adc", opr_n_bytes_p1, reg, opr_decode}, + [0x67] = {"adc", opr_n_bytes_p1, reg, opr_decode}, + [0x68] = {"bit", opr_n_bytes_p1, reg, opr_decode}, + [0x69] = {"bit", opr_n_bytes_p1, reg, opr_decode}, + [0x6a] = {"bit", opr_n_bytes_p1, reg, opr_decode}, + [0x6b] = {"bit", opr_n_bytes_p1, reg, opr_decode}, + [0x6c] = {"bit", opr_n_bytes_p1, reg, opr_decode}, + [0x6d] = {"bit", opr_n_bytes_p1, reg, opr_decode}, + [0x6e] = {"bit", opr_n_bytes_p1, reg, opr_decode}, + [0x6f] = {"bit", opr_n_bytes_p1, reg, opr_decode}, + [0x70] = {"sbc", three, reg, imm1234_0base}, + [0x71] = {"sbc", three, reg, imm1234_0base}, + [0x72] = {"sbc", three, reg, imm1234_0base}, + [0x73] = {"sbc", three, reg, imm1234_0base}, + [0x74] = {"sbc", two, reg, imm1234_0base}, + [0x75] = {"sbc", two, reg, imm1234_0base}, + [0x76] = {"sbc", five, reg, imm1234_0base}, + [0x77] = {"sbc", five, reg, imm1234_0base}, + [0x78] = {"eor", three, reg, imm1234_8base}, + [0x79] = {"eor", three, reg, imm1234_8base}, + [0x7a] = {"eor", three, reg, imm1234_8base}, + [0x7b] = {"eor", three, reg, imm1234_8base}, + [0x7c] = {"eor", two, reg, imm1234_8base}, + [0x7d] = {"eor", two, reg, imm1234_8base}, + [0x7e] = {"eor", five, reg, imm1234_8base}, + [0x7f] = {"eor", five, reg, imm1234_8base}, + [0x80] = {"sbc", opr_n_bytes_p1, reg, opr_decode}, + [0x81] = {"sbc", opr_n_bytes_p1, reg, opr_decode}, + [0x82] = {"sbc", opr_n_bytes_p1, reg, opr_decode}, + [0x83] = {"sbc", opr_n_bytes_p1, reg, opr_decode}, + [0x84] = {"sbc", opr_n_bytes_p1, reg, opr_decode}, + [0x85] = {"sbc", opr_n_bytes_p1, reg, opr_decode}, + [0x86] = {"sbc", opr_n_bytes_p1, reg, opr_decode}, + [0x87] = {"sbc", opr_n_bytes_p1, reg, opr_decode}, + [0x88] = {"eor", opr_n_bytes_p1, reg, opr_decode}, + [0x89] = {"eor", opr_n_bytes_p1, reg, opr_decode}, + [0x8a] = {"eor", opr_n_bytes_p1, reg, opr_decode}, + [0x8b] = {"eor", opr_n_bytes_p1, reg, opr_decode}, + [0x8c] = {"eor", opr_n_bytes_p1, reg, opr_decode}, + [0x8d] = {"eor", opr_n_bytes_p1, reg, opr_decode}, + [0x8e] = {"eor", opr_n_bytes_p1, reg, opr_decode}, + [0x8f] = {"eor", opr_n_bytes_p1, reg, opr_decode}, + [0x90] = {"rti", single, 0, 0}, + [0x91] = {"clb", two, tfr, 0}, + [0x92] = {"trap", single, trap_decode, 0}, + [0x93] = {"trap", single, trap_decode, 0}, + [0x94] = {"trap", single, trap_decode, 0}, + [0x95] = {"trap", single, trap_decode, 0}, + [0x96] = {"trap", single, trap_decode, 0}, + [0x97] = {"trap", single, trap_decode, 0}, + [0x98] = {"trap", single, trap_decode, 0}, + [0x99] = {"trap", single, trap_decode, 0}, + [0x9a] = {"trap", single, trap_decode, 0}, + [0x9b] = {"trap", single, trap_decode, 0}, + [0x9c] = {"trap", single, trap_decode, 0}, + [0x9d] = {"trap", single, trap_decode, 0}, + [0x9e] = {"trap", single, trap_decode, 0}, + [0x9f] = {"trap", single, trap_decode, 0}, + [0xa0] = {"sat", single, reg, 0}, + [0xa1] = {"sat", single, reg, 0}, + [0xa2] = {"sat", single, reg, 0}, + [0xa3] = {"sat", single, reg, 0}, + [0xa4] = {"sat", single, reg, 0}, + [0xa5] = {"sat", single, reg, 0}, + [0xa6] = {"sat", single, reg, 0}, + [0xa7] = {"sat", single, reg, 0}, + [0xa8] = {"trap", single, trap_decode, 0}, + [0xa9] = {"trap", single, trap_decode, 0}, + [0xaa] = {"trap", single, trap_decode, 0}, + [0xab] = {"trap", single, trap_decode, 0}, + [0xac] = {"trap", single, trap_decode, 0}, + [0xad] = {"trap", single, trap_decode, 0}, + [0xae] = {"trap", single, trap_decode, 0}, + [0xaf] = {"trap", single, trap_decode, 0}, + [0xb0] = {"qmul", mul_n_bytes, mul_decode, 0}, + [0xb1] = {"qmul", mul_n_bytes, mul_decode, 0}, + [0xb2] = {"qmul", mul_n_bytes, mul_decode, 0}, + [0xb3] = {"qmul", mul_n_bytes, mul_decode, 0}, + [0xb4] = {"qmul", mul_n_bytes, mul_decode, 0}, + [0xb5] = {"qmul", mul_n_bytes, mul_decode, 0}, + [0xb6] = {"qmul", mul_n_bytes, mul_decode, 0}, + [0xb7] = {"qmul", mul_n_bytes, mul_decode, 0}, + [0xb8] = {"trap", single, trap_decode, 0}, + [0xb9] = {"trap", single, trap_decode, 0}, + [0xba] = {"trap", single, trap_decode, 0}, + [0xbb] = {"trap", single, trap_decode, 0}, + [0xbc] = {"trap", single, trap_decode, 0}, + [0xbd] = {"trap", single, trap_decode, 0}, + [0xbe] = {"trap", single, trap_decode, 0}, + [0xbf] = {"trap", single, trap_decode, 0}, + [0xc0] = {"trap", single, trap_decode, 0}, + [0xc1] = {"trap", single, trap_decode, 0}, + [0xc2] = {"trap", single, trap_decode, 0}, + [0xc3] = {"trap", single, trap_decode, 0}, + [0xc4] = {"trap", single, trap_decode, 0}, + [0xc5] = {"trap", single, trap_decode, 0}, + [0xc6] = {"trap", single, trap_decode, 0}, + [0xc7] = {"trap", single, trap_decode, 0}, + [0xc8] = {"trap", single, trap_decode, 0}, + [0xc9] = {"trap", single, trap_decode, 0}, + [0xca] = {"trap", single, trap_decode, 0}, + [0xcb] = {"trap", single, trap_decode, 0}, + [0xcc] = {"trap", single, trap_decode, 0}, + [0xcd] = {"trap", single, trap_decode, 0}, + [0xce] = {"trap", single, trap_decode, 0}, + [0xcf] = {"trap", single, trap_decode, 0}, + [0xd0] = {"trap", single, trap_decode, 0}, + [0xd1] = {"trap", single, trap_decode, 0}, + [0xd2] = {"trap", single, trap_decode, 0}, + [0xd3] = {"trap", single, trap_decode, 0}, + [0xd4] = {"trap", single, trap_decode, 0}, + [0xd5] = {"trap", single, trap_decode, 0}, + [0xd6] = {"trap", single, trap_decode, 0}, + [0xd7] = {"trap", single, trap_decode, 0}, + [0xd8] = {"trap", single, trap_decode, 0}, + [0xd9] = {"trap", single, trap_decode, 0}, + [0xda] = {"trap", single, trap_decode, 0}, + [0xdb] = {"trap", single, trap_decode, 0}, + [0xdc] = {"trap", single, trap_decode, 0}, + [0xdd] = {"trap", single, trap_decode, 0}, + [0xde] = {"trap", single, trap_decode, 0}, + [0xdf] = {"trap", single, trap_decode, 0}, + [0xe0] = {"trap", single, trap_decode, 0}, + [0xe1] = {"trap", single, trap_decode, 0}, + [0xe2] = {"trap", single, trap_decode, 0}, + [0xe3] = {"trap", single, trap_decode, 0}, + [0xe4] = {"trap", single, trap_decode, 0}, + [0xe5] = {"trap", single, trap_decode, 0}, + [0xe6] = {"trap", single, trap_decode, 0}, + [0xe7] = {"trap", single, trap_decode, 0}, + [0xe8] = {"trap", single, trap_decode, 0}, + [0xe9] = {"trap", single, trap_decode, 0}, + [0xea] = {"trap", single, trap_decode, 0}, + [0xeb] = {"trap", single, trap_decode, 0}, + [0xec] = {"trap", single, trap_decode, 0}, + [0xed] = {"trap", single, trap_decode, 0}, + [0xee] = {"trap", single, trap_decode, 0}, + [0xef] = {"trap", single, trap_decode, 0}, + [0xf0] = {"trap", single, trap_decode, 0}, + [0xf1] = {"trap", single, trap_decode, 0}, + [0xf2] = {"trap", single, trap_decode, 0}, + [0xf3] = {"trap", single, trap_decode, 0}, + [0xf4] = {"trap", single, trap_decode, 0}, + [0xf5] = {"trap", single, trap_decode, 0}, + [0xf6] = {"trap", single, trap_decode, 0}, + [0xf7] = {"trap", single, trap_decode, 0}, + [0xf8] = {"trap", single, trap_decode, 0}, + [0xf9] = {"trap", single, trap_decode, 0}, + [0xfa] = {"trap", single, trap_decode, 0}, + [0xfb] = {"trap", single, trap_decode, 0}, + [0xfc] = {"trap", single, trap_decode, 0}, + [0xfd] = {"trap", single, trap_decode, 0}, + [0xfe] = {"trap", single, trap_decode, 0}, + [0xff] = {"trap", single, trap_decode, 0}, + }; + +static const struct opcode page1[] = + { + [0x00] = {"bgnd", single, 0, 0}, + [0x01] = {"nop", single, 0, 0}, + [0x02] = {"brclr", bm_rel_n_bytes, bm_rel_decode, 0}, + [0x03] = {"brset", bm_rel_n_bytes, bm_rel_decode, 0}, + [0x04] = {NULL, two, 0, 0}, /* psh/pul */ + [0x05] = {"rts", single, 0, 0}, + [0x06] = {"lea", opr_n_bytes_p1, reg, opr_decode}, + [0x07] = {"lea", opr_n_bytes_p1, reg, opr_decode}, + [0x08] = {"lea", opr_n_bytes_p1, lea_reg_xys_opr, 0}, + [0x09] = {"lea", opr_n_bytes_p1, lea_reg_xys_opr, 0}, + [0x0a] = {"lea", opr_n_bytes_p1, lea_reg_xys_opr, 0}, + [0x0b] = {NULL, loop_prim_n_bytes, 0, 0}, /* Loop primitives TBcc / DBcc */ + [0x0c] = {"mov.b", mov_imm_opr_n_bytes, mov_imm_opr, 0}, + [0x0d] = {"mov.w", mov_imm_opr_n_bytes, mov_imm_opr, 0}, + [0x0e] = {"mov.p", mov_imm_opr_n_bytes, mov_imm_opr, 0}, + [0x0f] = {"mov.l", mov_imm_opr_n_bytes, mov_imm_opr, 0}, + [0x10] = {NULL, shift_n_bytes, 0, 0}, /* lsr/lsl/asl/asr/rol/ror */ + [0x11] = {NULL, shift_n_bytes, 0, 0}, + [0x12] = {NULL, shift_n_bytes, 0, 0}, + [0x13] = {NULL, shift_n_bytes, 0, 0}, + [0x14] = {NULL, shift_n_bytes, 0, 0}, + [0x15] = {NULL, shift_n_bytes, 0, 0}, + [0x16] = {NULL, shift_n_bytes, 0, 0}, + [0x17] = {NULL, shift_n_bytes, 0, 0}, + [0x18] = {"lea", two, lea_reg_xys, NULL}, + [0x19] = {"lea", two, lea_reg_xys, NULL}, + [0x1a] = {"lea", two, lea_reg_xys, NULL}, + /* 0x1b PG2 */ + [0x1c] = {"mov.b", opr_n_bytes2, 0, opr_decode2}, + [0x1d] = {"mov.w", opr_n_bytes2, 0, opr_decode2}, + [0x1e] = {"mov.p", opr_n_bytes2, 0, opr_decode2}, + [0x1f] = {"mov.l", opr_n_bytes2, 0, opr_decode2}, + [0x20] = {"bra", pcrel_15bit, decode_rel_15_7, 0}, + [0x21] = {"bsr", pcrel_15bit, decode_rel_15_7, 0}, + [0x22] = {"bhi", pcrel_15bit, decode_rel_15_7, 0}, + [0x23] = {"bls", pcrel_15bit, decode_rel_15_7, 0}, + [0x24] = {"bcc", pcrel_15bit, decode_rel_15_7, 0}, + [0x25] = {"bcs", pcrel_15bit, decode_rel_15_7, 0}, + [0x26] = {"bne", pcrel_15bit, decode_rel_15_7, 0}, + [0x27] = {"beq", pcrel_15bit, decode_rel_15_7, 0}, + [0x28] = {"bvc", pcrel_15bit, decode_rel_15_7, 0}, + [0x29] = {"bvs", pcrel_15bit, decode_rel_15_7, 0}, + [0x2a] = {"bpl", pcrel_15bit, decode_rel_15_7, 0}, + [0x2b] = {"bmi", pcrel_15bit, decode_rel_15_7, 0}, + [0x2c] = {"bge", pcrel_15bit, decode_rel_15_7, 0}, + [0x2d] = {"blt", pcrel_15bit, decode_rel_15_7, 0}, + [0x2e] = {"bgt", pcrel_15bit, decode_rel_15_7, 0}, + [0x2f] = {"ble", pcrel_15bit, decode_rel_15_7, 0}, + [0x30] = {"inc", single, reg, 0}, + [0x31] = {"inc", single, reg, 0}, + [0x32] = {"inc", single, reg, 0}, + [0x33] = {"inc", single, reg, 0}, + [0x34] = {"inc", single, reg, 0}, + [0x35] = {"inc", single, reg, 0}, + [0x36] = {"inc", single, reg, 0}, + [0x37] = {"inc", single, reg, 0}, + [0x38] = {"clr", single, reg, 0}, + [0x39] = {"clr", single, reg, 0}, + [0x3a] = {"clr", single, reg, 0}, + [0x3b] = {"clr", single, reg, 0}, + [0x3c] = {"clr", single, reg, 0}, + [0x3d] = {"clr", single, reg, 0}, + [0x3e] = {"clr", single, reg, 0}, + [0x3f] = {"clr", single, reg, 0}, + [0x40] = {"dec", single, reg, 0}, + [0x41] = {"dec", single, reg, 0}, + [0x42] = {"dec", single, reg, 0}, + [0x43] = {"dec", single, reg, 0}, + [0x44] = {"dec", single, reg, 0}, + [0x45] = {"dec", single, reg, 0}, + [0x46] = {"dec", single, reg, 0}, + [0x47] = {"dec", single, reg, 0}, + [0x48] = {"mul", mul_n_bytes, mul_decode, 0}, + [0x49] = {"mul", mul_n_bytes, mul_decode, 0}, + [0x4a] = {"mul", mul_n_bytes, mul_decode, 0}, + [0x4b] = {"mul", mul_n_bytes, mul_decode, 0}, + [0x4c] = {"mul", mul_n_bytes, mul_decode, 0}, + [0x4d] = {"mul", mul_n_bytes, mul_decode, 0}, + [0x4e] = {"mul", mul_n_bytes, mul_decode, 0}, + [0x4f] = {"mul", mul_n_bytes, mul_decode, 0}, + [0x50] = {"add", three, reg, imm1234_0base}, + [0x51] = {"add", three, reg, imm1234_0base}, + [0x52] = {"add", three, reg, imm1234_0base}, + [0x53] = {"add", three, reg, imm1234_0base}, + [0x54] = {"add", two, reg, imm1234_0base}, + [0x55] = {"add", two, reg, imm1234_0base}, + [0x56] = {"add", five, reg, imm1234_0base}, + [0x57] = {"add", five, reg, imm1234_0base}, + [0x58] = {"and", three, reg, imm1234_8base}, + [0x59] = {"and", three, reg, imm1234_8base}, + [0x5a] = {"and", three, reg, imm1234_8base}, + [0x5b] = {"and", three, reg, imm1234_8base}, + [0x5c] = {"and", two, reg, imm1234_8base}, + [0x5d] = {"and", two, reg, imm1234_8base}, + [0x5e] = {"and", five, reg, imm1234_8base}, + [0x5f] = {"and", five, reg, imm1234_8base}, + [0x60] = {"add", opr_n_bytes_p1, reg, opr_decode}, + [0x61] = {"add", opr_n_bytes_p1, reg, opr_decode}, + [0x62] = {"add", opr_n_bytes_p1, reg, opr_decode}, + [0x63] = {"add", opr_n_bytes_p1, reg, opr_decode}, + [0x64] = {"add", opr_n_bytes_p1, reg, opr_decode}, + [0x65] = {"add", opr_n_bytes_p1, reg, opr_decode}, + [0x66] = {"add", opr_n_bytes_p1, reg, opr_decode}, + [0x67] = {"add", opr_n_bytes_p1, reg, opr_decode}, + [0x68] = {"and", opr_n_bytes_p1, reg, opr_decode}, + [0x69] = {"and", opr_n_bytes_p1, reg, opr_decode}, + [0x6a] = {"and", opr_n_bytes_p1, reg, opr_decode}, + [0x6b] = {"and", opr_n_bytes_p1, reg, opr_decode}, + [0x6c] = {"and", opr_n_bytes_p1, reg, opr_decode}, + [0x6d] = {"and", opr_n_bytes_p1, reg, opr_decode}, + [0x6e] = {"and", opr_n_bytes_p1, reg, opr_decode}, + [0x6f] = {"and", opr_n_bytes_p1, reg, opr_decode}, + [0x70] = {"sub", three, reg, imm1234_0base}, + [0x71] = {"sub", three, reg, imm1234_0base}, + [0x72] = {"sub", three, reg, imm1234_0base}, + [0x73] = {"sub", three, reg, imm1234_0base}, + [0x74] = {"sub", two, reg, imm1234_0base}, + [0x75] = {"sub", two, reg, imm1234_0base}, + [0x76] = {"sub", five, reg, imm1234_0base}, + [0x77] = {"sub", five, reg, imm1234_0base}, + [0x78] = {"or", three, reg, imm1234_8base}, + [0x79] = {"or", three, reg, imm1234_8base}, + [0x7a] = {"or", three, reg, imm1234_8base}, + [0x7b] = {"or", three, reg, imm1234_8base}, + [0x7c] = {"or", two, reg, imm1234_8base}, + [0x7d] = {"or", two, reg, imm1234_8base}, + [0x7e] = {"or", five, reg, imm1234_8base}, + [0x7f] = {"or", five, reg, imm1234_8base}, + [0x80] = {"sub", opr_n_bytes_p1, reg, opr_decode}, + [0x81] = {"sub", opr_n_bytes_p1, reg, opr_decode}, + [0x82] = {"sub", opr_n_bytes_p1, reg, opr_decode}, + [0x83] = {"sub", opr_n_bytes_p1, reg, opr_decode}, + [0x84] = {"sub", opr_n_bytes_p1, reg, opr_decode}, + [0x85] = {"sub", opr_n_bytes_p1, reg, opr_decode}, + [0x86] = {"sub", opr_n_bytes_p1, reg, opr_decode}, + [0x87] = {"sub", opr_n_bytes_p1, reg, opr_decode}, + [0x88] = {"or", opr_n_bytes_p1, reg, opr_decode}, + [0x89] = {"or", opr_n_bytes_p1, reg, opr_decode}, + [0x8a] = {"or", opr_n_bytes_p1, reg, opr_decode}, + [0x8b] = {"or", opr_n_bytes_p1, reg, opr_decode}, + [0x8c] = {"or", opr_n_bytes_p1, reg, opr_decode}, + [0x8d] = {"or", opr_n_bytes_p1, reg, opr_decode}, + [0x8e] = {"or", opr_n_bytes_p1, reg, opr_decode}, + [0x8f] = {"or", opr_n_bytes_p1, reg, opr_decode}, + [0x90] = {"ld", three, reg, imm1234_0base}, + [0x91] = {"ld", three, reg, imm1234_0base}, + [0x92] = {"ld", three, reg, imm1234_0base}, + [0x93] = {"ld", three, reg, imm1234_0base}, + [0x94] = {"ld", two, reg, imm1234_0base}, + [0x95] = {"ld", two, reg, imm1234_0base}, + [0x96] = {"ld", five, reg, imm1234_0base}, + [0x97] = {"ld", five, reg, imm1234_0base}, + [0x98] = {"ld", four, reg_xy, imm1234_0base}, + [0x99] = {"ld", four, reg_xy, imm1234_0base}, + [0x9a] = {"clr", single, reg_xy, 0}, + [0x9b] = {"clr", single, reg_xy, 0}, + [0x9c] = {"inc.b", opr_n_bytes_p1, 0, opr_decode}, + [0x9d] = {"inc.w", opr_n_bytes_p1, 0, opr_decode}, + [0x9e] = {"tfr", two, tfr, NULL}, + [0x9f] = {"inc.l", opr_n_bytes_p1, 0, opr_decode}, + [0xa0] = {"ld", opr_n_bytes_p1, reg, opr_decode}, + [0xa1] = {"ld", opr_n_bytes_p1, reg, opr_decode}, + [0xa2] = {"ld", opr_n_bytes_p1, reg, opr_decode}, + [0xa3] = {"ld", opr_n_bytes_p1, reg, opr_decode}, + [0xa4] = {"ld", opr_n_bytes_p1, reg, opr_decode}, + [0xa5] = {"ld", opr_n_bytes_p1, reg, opr_decode}, + [0xa6] = {"ld", opr_n_bytes_p1, reg, opr_decode}, + [0xa7] = {"ld", opr_n_bytes_p1, reg, opr_decode}, + [0xa8] = {"ld", opr_n_bytes_p1, reg_xy, opr_decode}, + [0xa9] = {"ld", opr_n_bytes_p1, reg_xy, opr_decode}, + [0xaa] = {"jmp", opr_n_bytes_p1, opr_decode, 0}, + [0xab] = {"jsr", opr_n_bytes_p1, opr_decode, 0}, + [0xac] = {"dec.b", opr_n_bytes_p1, 0, opr_decode}, + [0xad] = {"dec.w", opr_n_bytes_p1, 0, opr_decode}, + [0xae] = {NULL, two, 0, 0}, /* EXG / SEX */ + [0xaf] = {"dec.l", opr_n_bytes_p1, 0, opr_decode}, + [0xb0] = {"ld", four, reg, ext24_decode}, + [0xb1] = {"ld", four, reg, ext24_decode}, + [0xb2] = {"ld", four, reg, ext24_decode}, + [0xb3] = {"ld", four, reg, ext24_decode}, + [0xb4] = {"ld", four, reg, ext24_decode}, + [0xb5] = {"ld", four, reg, ext24_decode}, + [0xb6] = {"ld", four, reg, ext24_decode}, + [0xb7] = {"ld", four, reg, ext24_decode}, + [0xb8] = {"ld", four, reg_xy, ext24_decode}, + [0xb9] = {"ld", four, reg_xy, ext24_decode}, + [0xba] = {"jmp", four, ext24_decode, 0}, + [0xbb] = {"jsr", four, ext24_decode, 0}, + [0xbc] = {"clr.b", opr_n_bytes_p1, 0, opr_decode}, + [0xbd] = {"clr.w", opr_n_bytes_p1, 0, opr_decode}, + [0xbe] = {"clr.p", opr_n_bytes_p1, 0, opr_decode}, + [0xbf] = {"clr.l", opr_n_bytes_p1, 0, opr_decode}, + [0xc0] = {"st", opr_n_bytes_p1, reg, opr_decode}, + [0xc1] = {"st", opr_n_bytes_p1, reg, opr_decode}, + [0xc2] = {"st", opr_n_bytes_p1, reg, opr_decode}, + [0xc3] = {"st", opr_n_bytes_p1, reg, opr_decode}, + [0xc4] = {"st", opr_n_bytes_p1, reg, opr_decode}, + [0xc5] = {"st", opr_n_bytes_p1, reg, opr_decode}, + [0xc6] = {"st", opr_n_bytes_p1, reg, opr_decode}, + [0xc7] = {"st", opr_n_bytes_p1, reg, opr_decode}, + [0xc8] = {"st", opr_n_bytes_p1, reg_xy, opr_decode}, + [0xc9] = {"st", opr_n_bytes_p1, reg_xy, opr_decode}, + [0xca] = {"ld", three, reg_xy, ld_18bit_decode}, + [0xcb] = {"ld", three, reg_xy, ld_18bit_decode}, + [0xcc] = {"com.b", opr_n_bytes_p1, NULL, opr_decode}, + [0xcd] = {"com.w", opr_n_bytes_p1, NULL, opr_decode}, + [0xce] = {"andcc", two, imm1, 0}, + [0xcf] = {"com.l", opr_n_bytes_p1, NULL, opr_decode}, + [0xd0] = {"st", four, reg, ext24_decode}, + [0xd1] = {"st", four, reg, ext24_decode}, + [0xd2] = {"st", four, reg, ext24_decode}, + [0xd3] = {"st", four, reg, ext24_decode}, + [0xd4] = {"st", four, reg, ext24_decode}, + [0xd5] = {"st", four, reg, ext24_decode}, + [0xd6] = {"st", four, reg, ext24_decode}, + [0xd7] = {"st", four, reg, ext24_decode}, + [0xd8] = {"st", four, reg_xy, ext24_decode}, + [0xd9] = {"st", four, reg_xy, ext24_decode}, + [0xda] = {"ld", three, reg_xy, ld_18bit_decode}, + [0xdb] = {"ld", three, reg_xy, ld_18bit_decode}, + [0xdc] = {"neg.b", opr_n_bytes_p1, NULL, opr_decode}, + [0xdd] = {"neg.w", opr_n_bytes_p1, NULL, opr_decode}, + [0xde] = {"orcc", two, imm1, 0}, + [0xdf] = {"neg.l", opr_n_bytes_p1, NULL, opr_decode}, + [0xe0] = {"cmp", three, reg, imm1234_0base}, + [0xe1] = {"cmp", three, reg, imm1234_0base}, + [0xe2] = {"cmp", three, reg, imm1234_0base}, + [0xe3] = {"cmp", three, reg, imm1234_0base}, + [0xe4] = {"cmp", two, reg, imm1234_0base}, + [0xe5] = {"cmp", two, reg, imm1234_0base}, + [0xe6] = {"cmp", five, reg, imm1234_0base}, + [0xe7] = {"cmp", five, reg, imm1234_0base}, + [0xe8] = {"cmp", four, reg_xy, imm1234_0base}, + [0xe9] = {"cmp", four, reg_xy, imm1234_0base}, + [0xea] = {"ld", three, reg_xy, ld_18bit_decode}, + [0xeb] = {"ld", three, reg_xy, ld_18bit_decode}, + [0xec] = {"bclr", bm_n_bytes, bm_decode, 0}, + [0xed] = {"bset", bm_n_bytes, bm_decode, 0}, + [0xee] = {"btgl", bm_n_bytes, bm_decode, 0}, + [0xef] = {"!!invalid!!", NULL, NULL, NULL}, /* SPARE */ + [0xf0] = {"cmp", opr_n_bytes_p1, reg, opr_decode}, + [0xf1] = {"cmp", opr_n_bytes_p1, reg, opr_decode}, + [0xf2] = {"cmp", opr_n_bytes_p1, reg, opr_decode}, + [0xf3] = {"cmp", opr_n_bytes_p1, reg, opr_decode}, + [0xf4] = {"cmp", opr_n_bytes_p1, reg, opr_decode}, + [0xf5] = {"cmp", opr_n_bytes_p1, reg, opr_decode}, + [0xf6] = {"cmp", opr_n_bytes_p1, reg, opr_decode}, + [0xf7] = {"cmp", opr_n_bytes_p1, reg, opr_decode}, + [0xf8] = {"cmp", opr_n_bytes_p1, reg_xy, opr_decode}, + [0xf9] = {"cmp", opr_n_bytes_p1, reg_xy, opr_decode}, + [0xfa] = {"ld", three, reg_xy, ld_18bit_decode}, + [0xfb] = {"ld", three, reg_xy, ld_18bit_decode}, + [0xfc] = {"cmp", single, cmp_xy, 0}, + [0xfd] = {"sub", single, sub_d6_x_y, 0}, + [0xfe] = {"sub", single, sub_d6_y_x, 0}, + [0xff] = {"swi", single, 0, 0} + }; + + +static const char *oprregs1[] = + { + "d3", "d2", "d1", "d0", "ccl", "cch" + }; + +static const char *oprregs2[] = + { + "y", "x", "d7", "d6", "d5", "d4" + }; + + + + +enum MUL_MODE + { + MUL_REG_REG, + MUL_REG_OPR, + MUL_REG_IMM, + MUL_OPR_OPR + }; + +struct mb +{ + uint8_t mask; + uint8_t value; + enum MUL_MODE mode; +}; + +static const struct mb mul_table[] = { + {0x40, 0x00, MUL_REG_REG}, + + {0x47, 0x40, MUL_REG_OPR}, + {0x47, 0x41, MUL_REG_OPR}, + {0x47, 0x43, MUL_REG_OPR}, + + {0x47, 0x44, MUL_REG_IMM}, + {0x47, 0x45, MUL_REG_IMM}, + {0x47, 0x47, MUL_REG_IMM}, + + {0x43, 0x42, MUL_OPR_OPR}, +}; + +static void +mul_decode (bfd_vma memaddr, struct disassemble_info* info) +{ + uint8_t mb; + int status = read_memory (memaddr, &mb, 1, info); + if (status < 0) + return; + + + uint8_t byte; + status = read_memory (memaddr - 1, &byte, 1, info); + if (status < 0) + return; + + (*info->fprintf_func) (info->stream, "%c", (mb & 0x80) ? 's' : 'u'); + + enum MUL_MODE mode = -1; + size_t i; + for (i = 0; i < sizeof (mul_table) / sizeof (mul_table[0]); ++i) + { + const struct mb *mm = mul_table + i; + if ((mb & mm->mask) == mm->value) + { + mode = mm->mode; + break; + } + } + + switch (mode) + { + case MUL_REG_REG: + break; + case MUL_OPR_OPR: + { + int size1 = (mb & 0x30) >> 4; + int size2 = (mb & 0x0c) >> 2; + (*info->fprintf_func) (info->stream, ".%c%c", + shift_size_table [size1], + shift_size_table [size2]); + } + break; + default: + { + int size = (mb & 0x3); + (*info->fprintf_func) (info->stream, ".%c", shift_size_table [size]); + } + break; + } + + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", registers[byte & 0x7].name); + + switch (mode) + { + case MUL_REG_REG: + case MUL_REG_IMM: + case MUL_REG_OPR: + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", registers[(mb & 0x38) >> 3].name); + break; + default: + break; + } + + switch (mode) + { + case MUL_REG_IMM: + operand_separator (info); + int size = (mb & 0x3); + uint32_t imm = decode_signed_value (memaddr + 1, info, size + 1); + (*info->fprintf_func) (info->stream, "#%d", imm); + break; + case MUL_REG_REG: + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", registers[mb & 0x07].name); + break; + case MUL_REG_OPR: + opr_decode (memaddr + 1, info); + break; + case MUL_OPR_OPR: + { + int first = opr_n_bytes (memaddr + 1, info); + opr_decode (memaddr + 1, info); + opr_decode (memaddr + first + 1, info); + break; + } + } +} + + +static int +mul_n_bytes (bfd_vma memaddr, struct disassemble_info* info) +{ + int nx = 2; + uint8_t mb; + int status = read_memory (memaddr, &mb, 1, info); + if (status < 0) + return 0; + + enum MUL_MODE mode = -1; + size_t i; + for (i = 0; i < sizeof (mul_table) / sizeof (mul_table[0]); ++i) + { + const struct mb *mm = mul_table + i; + if ((mb & mm->mask) == mm->value) + { + mode = mm->mode; + break; + } + } + + int size = (mb & 0x3) + 1; + + switch (mode) + { + case MUL_REG_IMM: + nx += size; + break; + case MUL_REG_REG: + break; + case MUL_REG_OPR: + nx += opr_n_bytes (memaddr + 1, info); + break; + case MUL_OPR_OPR: + { + int first = opr_n_bytes (memaddr + nx - 1, info); + nx += first; + int second = opr_n_bytes (memaddr + nx - 1, info); + nx += second; + } + break; + } + + return nx; +} + + +enum BM_MODE { + BM_REG_IMM, + BM_RESERVED0, + BM_OPR_B, + BM_OPR_W, + BM_OPR_L, + BM_OPR_REG, + BM_RESERVED1 +}; + +struct bm +{ + uint8_t mask; + uint8_t value; + enum BM_MODE mode; +}; + +static const struct bm bm_table[] = { + { 0xC6, 0x04, BM_REG_IMM}, + { 0x84, 0x00, BM_REG_IMM}, + { 0x06, 0x06, BM_REG_IMM}, + { 0xC6, 0x44, BM_RESERVED0}, + // 00 + { 0x8F, 0x80, BM_OPR_B}, + { 0x8E, 0x82, BM_OPR_W}, + { 0x8C, 0x88, BM_OPR_L}, + + { 0x83, 0x81, BM_OPR_REG}, + { 0x87, 0x84, BM_RESERVED1}, +}; + +static void +bm_decode (bfd_vma memaddr, struct disassemble_info* info) +{ + uint8_t bm; + int status = read_memory (memaddr, &bm, 1, info); + if (status < 0) + return; + + size_t i; + enum BM_MODE mode = -1; + for (i = 0; i < sizeof (bm_table) / sizeof (bm_table[0]); ++i) + { + const struct bm *bme = bm_table + i; + if ((bm & bme->mask) == bme->value) + { + mode = bme->mode; + break; + } + } + + switch (mode) + { + case BM_REG_IMM: + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", registers[bm & 0x07].name); + break; + case BM_OPR_B: + (*info->fprintf_func) (info->stream, ".%c", 'b'); + opr_decode (memaddr + 1, info); + break; + case BM_OPR_W: + (*info->fprintf_func) (info->stream, ".%c", 'w'); + opr_decode (memaddr + 1, info); + break; + case BM_OPR_L: + (*info->fprintf_func) (info->stream, ".%c", 'l'); + opr_decode (memaddr + 1, info); + break; + case BM_OPR_REG: + { + uint8_t xb; + read_memory (memaddr + 1, &xb, 1, info); + /* Don't emit a size suffix for register operands */ + if ((xb & 0xF8) != 0xB8) + (*info->fprintf_func) (info->stream, ".%c", shift_size_table[(bm & 0x0c) >> 2]); + opr_decode (memaddr + 1, info); + } + break; + case BM_RESERVED0: + case BM_RESERVED1: + assert (0); + break; + } + + uint8_t imm = 0; + operand_separator (info); + switch (mode) + { + case BM_REG_IMM: + { + imm = (bm & 0xF8) >> 3; + (*info->fprintf_func) (info->stream, "#%d", imm); + } + break; + case BM_OPR_L: + imm |= (bm & 0x03) << 3; + /* fallthrough */ + case BM_OPR_W: + imm |= (bm & 0x01) << 3; + /* fallthrough */ + case BM_OPR_B: + imm |= (bm & 0x70) >> 4; + (*info->fprintf_func) (info->stream, "#%d", imm); + break; + case BM_OPR_REG: + (*info->fprintf_func) (info->stream, "%s", registers[(bm & 0x70) >> 4].name); + break; + case BM_RESERVED0: + case BM_RESERVED1: + assert (0); + break; + } +} + + +static void +bm_rel_decode (bfd_vma memaddr, struct disassemble_info* info) +{ + uint8_t bm; + int status = read_memory (memaddr, &bm, 1, info); + if (status < 0) + return; + + size_t i; + enum BM_MODE mode = -1; + for (i = 0; i < sizeof (bm_table) / sizeof (bm_table[0]); ++i) + { + const struct bm *bme = bm_table + i; + if ((bm & bme->mask) == bme->value) + { + mode = bme->mode; + break; + } + } + + switch (mode) + { + case BM_REG_IMM: + break; + case BM_OPR_B: + (*info->fprintf_func) (info->stream, ".%c", 'b'); + break; + case BM_OPR_W: + (*info->fprintf_func) (info->stream, ".%c", 'w'); + break; + case BM_OPR_L: + (*info->fprintf_func) (info->stream, ".%c", 'l'); + break; + case BM_OPR_REG: + { + uint8_t xb; + read_memory (memaddr + 1, &xb, 1, info); + /* Don't emit a size suffix for register operands */ + if ((xb & 0xF8) != 0xB8) + (*info->fprintf_func) (info->stream, ".%c", + shift_size_table[(bm & 0x0C) >> 2]); + } + break; + case BM_RESERVED0: + case BM_RESERVED1: + assert (0); + break; + } + + int n = 1; + switch (mode) + { + case BM_REG_IMM: + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", registers[bm & 0x07].name); + break; + case BM_OPR_B: + case BM_OPR_W: + case BM_OPR_L: + opr_decode (memaddr + 1, info); + n = 1 + opr_n_bytes (memaddr + 1, info); + break; + case BM_OPR_REG: + opr_decode (memaddr + 1, info); + break; + case BM_RESERVED0: + case BM_RESERVED1: + assert (0); + break; + } + + + int imm = 0; + operand_separator (info); + switch (mode) + { + case BM_OPR_L: + imm |= (bm & 0x02) << 3; + /* fall through */ + case BM_OPR_W: + imm |= (bm & 0x01) << 3; + /* fall through */ + case BM_OPR_B: + imm |= (bm & 0x70) >> 4; + (*info->fprintf_func) (info->stream, "#%d", imm); + break; + case BM_REG_IMM: + imm = (bm & 0xF8) >> 3; + (*info->fprintf_func) (info->stream, "#%d", imm); + break; + case BM_RESERVED0: + case BM_RESERVED1: + assert (0); + break; + case BM_OPR_REG: + (*info->fprintf_func) (info->stream, "%s", registers[(bm & 0x70) >> 4].name); + n += opr_n_bytes (memaddr + 1, info); + break; + } + + rel_15_7 (memaddr + n, info, n + 1); +} + +static int +bm_n_bytes (bfd_vma memaddr, struct disassemble_info* info) +{ + uint8_t bm; + int status = read_memory (memaddr, &bm, 1, info); + if (status < 0) + return status; + + size_t i; + enum BM_MODE mode = -1; + for (i = 0; i < sizeof (bm_table) / sizeof (bm_table[0]); ++i) + { + const struct bm *bme = bm_table + i; + if ((bm & bme->mask) == bme->value) + { + mode = bme->mode; + break; + } + } + + int n = 2; + switch (mode) + { + case BM_REG_IMM: + break; + + case BM_OPR_B: + case BM_OPR_W: + case BM_OPR_L: + n += opr_n_bytes (memaddr + 1, info); + break; + case BM_OPR_REG: + n += opr_n_bytes (memaddr + 1, info); + break; + default: + break; + } + + return n; +} + +static int +bm_rel_n_bytes (bfd_vma memaddr, struct disassemble_info* info) +{ + int n = 1 + bm_n_bytes (memaddr, info); + + bfd_byte rb; + int status = read_memory (memaddr + n - 2, &rb, 1, info); + if (status != 0) + return status; + + if (rb & 0x80) + n++; + + return n; +} + + + + + +/* shift direction */ +enum SB_DIR + { + SB_LEFT, + SB_RIGHT + }; + +enum SB_TYPE + { + SB_ARITHMETIC, + SB_LOGICAL + }; + + +enum SB_MODE + { + SB_REG_REG_N_EFF, + SB_REG_REG_N, + SB_REG_OPR_EFF, + SB_ROT, + SB_REG_OPR_OPR, + SB_OPR_N + }; + +struct sb +{ + uint8_t mask; + uint8_t value; + enum SB_MODE mode; +}; + +static const struct sb sb_table[] = { + {0x30, 0x00, SB_REG_REG_N_EFF}, + {0x30, 0x10, SB_REG_REG_N}, + {0x34, 0x20, SB_REG_OPR_EFF}, + {0x34, 0x24, SB_ROT}, + {0x34, 0x30, SB_REG_OPR_OPR}, + {0x34, 0x34, SB_OPR_N}, +}; + +static int +shift_n_bytes (bfd_vma memaddr, struct disassemble_info* info) +{ + bfd_byte sb; + int status = read_memory (memaddr++, &sb, 1, info); + if (status != 0) + return status; + + size_t i; + enum SB_MODE mode = -1; + for (i = 0; i < sizeof (sb_table) / sizeof (sb_table[0]); ++i) + { + const struct sb *sbe = sb_table + i; + if ((sb & sbe->mask) == sbe->value) + mode = sbe->mode; + } + + switch (mode) + { + case SB_REG_REG_N_EFF: + return 2; + break; + case SB_REG_OPR_EFF: + case SB_ROT: + return 2 + opr_n_bytes (memaddr, info); + break; + case SB_REG_OPR_OPR: + { + int opr1 = opr_n_bytes (memaddr, info); + int opr2 = 0; + if ((sb & 0x30) != 0x20) + opr2 = opr_n_bytes (memaddr + opr1, info); + return 2 + opr1 + opr2; + } + break; + default: + return 3; + } + + /* not reached */ + return -1; +} + + +static int +mov_imm_opr_n_bytes (bfd_vma memaddr, struct disassemble_info* info) +{ + bfd_byte byte; + int status = read_memory (memaddr - 1, &byte, 1, info); + if (status < 0) + return status; + + int size = byte - 0x0c + 1; + + return size + opr_n_bytes (memaddr + size, info) + 1; +} + +static void +mov_imm_opr (bfd_vma memaddr, struct disassemble_info* info) +{ + bfd_byte byte; + int status = read_memory (memaddr - 1, &byte, 1, info); + if (status < 0) + return ; + + int size = byte - 0x0c + 1; + uint32_t imm = decode_signed_value (memaddr, info, size); + + operand_separator (info); + (*info->fprintf_func) (info->stream, "#%d", imm); + opr_decode (memaddr + size, info); +} + + + +static void +ld_18bit_decode (bfd_vma memaddr, struct disassemble_info* info) +{ + size_t size = 3; + bfd_byte buffer[3]; + int status = read_memory (memaddr, buffer + 1, 2, info); + if (status < 0) + return ; + + + status = read_memory (memaddr - 1, buffer, 1, info); + if (status < 0) + return ; + + buffer[0] = (buffer[0] & 0x30) >> 4; + + size_t i; + uint32_t imm = 0; + for (i = 0; i < size; ++i) + { + imm |= buffer[i] << (8 * (size - i - 1)); + } + + operand_separator (info); + (*info->fprintf_func) (info->stream, "#%d", imm); +} + + + +/* Loop Primitives */ + +enum LP_MODE { + LP_REG, + LP_XY, + LP_OPR +}; + +struct lp +{ + uint8_t mask; + uint8_t value; + enum LP_MODE mode; +}; + +static const struct lp lp_mode[] = { + {0x08, 0x00, LP_REG}, + {0x0C, 0x08, LP_XY}, + {0x0C, 0x0C, LP_OPR}, +}; + + +static const char *lb_condition[] = + { + "ne", "eq", "pl", "mi", "gt", "le", + "??", "??" + }; + +static int +loop_prim_n_bytes (bfd_vma memaddr, struct disassemble_info* info) +{ + int mx = 0; + uint8_t lb; + read_memory (memaddr + mx++, &lb, 1, info); + + enum LP_MODE mode = -1; + size_t i; + for (i = 0; i < sizeof (lp_mode) / sizeof (lp_mode[0]); ++i) + { + const struct lp *pb = lp_mode + i; + if ((lb & pb->mask) == pb->value) + { + mode = pb->mode; + break; + } + } + + if (mode == LP_OPR) + { + mx += opr_n_bytes (memaddr + mx, info) ; + } + + uint8_t rb; + read_memory (memaddr + mx++, &rb, 1, info); + if (rb & 0x80) + mx++; + + return mx + 1; +} + + + + +static int +print_insn_exg_sex (bfd_vma memaddr, struct disassemble_info* info) +{ + uint8_t eb; + int status = read_memory (memaddr, &eb, 1, info); + if (status < 0) + return -1; + + const struct reg *first = ®isters[(eb & 0xf0) >> 4]; + const struct reg *second = ®isters[(eb & 0xf)]; + + if (first->bytes < second->bytes) + (*info->fprintf_func) (info->stream, "sex"); + else + (*info->fprintf_func) (info->stream, "exg"); + + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", first->name); + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", second->name); + return 0; +} + + + +static int +print_insn_loop_primitive (bfd_vma memaddr, struct disassemble_info* info) +{ + int offs = 1; + uint8_t lb; + int status = read_memory (memaddr, &lb, 1, info); + + char mnemonic[7]; + int x = 0; + mnemonic[x++] = (lb & 0x80) ? 'd' : 't'; + mnemonic[x++] = 'b'; + stpcpy (mnemonic + x, lb_condition [(lb & 0x70) >> 4]); + x += 2; + + const char *reg = NULL; + enum LP_MODE mode = -1; + size_t i; + for (i = 0; i < sizeof (lp_mode) / sizeof (lp_mode[0]); ++i) + { + const struct lp *pb = lp_mode + i; + if ((lb & pb->mask) == pb->value) + { + mode = pb->mode; + break; + } + } + + switch (mode) + { + case LP_REG: + reg = registers [lb & 0x07].name; + break; + case LP_XY: + reg = (lb & 0x1) ? "y" : "x"; + break; + case LP_OPR: + mnemonic[x++] = '.'; + mnemonic[x++] = shift_size_table [lb & 0x03]; + offs += opr_n_bytes (memaddr + 1, info); + break; + } + + mnemonic[x++] = '\0'; + + (*info->fprintf_func) (info->stream, "%s", mnemonic); + + if (mode == LP_OPR) + opr_decode (memaddr + 1, info); + else + { + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", reg); + } + + rel_15_7 (memaddr + offs, info, offs + 1); + + return status; +} + + +static int +print_insn_shift (bfd_vma memaddr, struct disassemble_info* info, uint8_t byte) +{ + size_t i; + uint8_t sb; + int status = read_memory (memaddr, &sb, 1, info); + if (status < 0) + return status; + + enum SB_DIR dir = (sb & 0x40) ? SB_LEFT : SB_RIGHT; + enum SB_TYPE type = (sb & 0x80) ? SB_ARITHMETIC : SB_LOGICAL; + enum SB_MODE mode = -1; + for (i = 0; i < sizeof (sb_table) / sizeof (sb_table[0]); ++i) + { + const struct sb *sbe = sb_table + i; + if ((sb & sbe->mask) == sbe->value) + mode = sbe->mode; + } + + char mnemonic[6]; + int x = 0; + if (mode == SB_ROT) + { + mnemonic[x++] = 'r'; + mnemonic[x++] = 'o'; + } + else + { + mnemonic[x++] = (type == SB_LOGICAL) ? 'l' : 'a'; + mnemonic[x++] = 's'; + } + + mnemonic[x++] = (dir == SB_LEFT) ? 'l' : 'r'; + + switch (mode) + { + case SB_REG_OPR_EFF: + case SB_ROT: + case SB_REG_OPR_OPR: + mnemonic[x++] = '.'; + mnemonic[x++] = shift_size_table[sb & 0x03]; + break; + case SB_OPR_N: + { + uint8_t xb; + read_memory (memaddr + 1, &xb, 1, info); + /* The size suffix is not printed if the OPR operand refers + directly to a register, because the size is implied by the + size of that register. */ + if ((xb & 0xF8) != 0xB8) + { + mnemonic[x++] = '.'; + mnemonic[x++] = shift_size_table[sb & 0x03]; + } + } + break; + default: + break; + }; + + mnemonic[x++] = '\0'; + + (*info->fprintf_func) (info->stream, "%s", mnemonic); + + /* Destination register */ + switch (mode) + { + case SB_REG_REG_N_EFF: + case SB_REG_REG_N: + case SB_REG_OPR_EFF: + case SB_REG_OPR_OPR: + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", registers[byte & 0x7].name); + break; + + case SB_ROT: + opr_decode (memaddr + 1, info); + break; + + default: + break; + } + + /* Source register */ + switch (mode) + { + case SB_REG_REG_N_EFF: + case SB_REG_REG_N: + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", registers[sb & 0x7].name); + break; + + case SB_REG_OPR_OPR: + opr_decode (memaddr + 1, info); + break; + + default: + break; + } + + /* 3rd arg */ + switch (mode) + { + case SB_REG_OPR_EFF: + case SB_OPR_N: + opr_decode (memaddr + 1, info); + break; + + case SB_REG_REG_N: + if (sb & 0x08) + { + operand_separator (info); + if (byte & 0x10) + { + uint8_t xb; + read_memory (memaddr + 1, &xb, 1, info); + int shift = ((sb & 0x08) >> 3) | ((xb & 0x0f) << 1); + (*info->fprintf_func) (info->stream, "#%d", shift); + } + else + { + (*info->fprintf_func) (info->stream, "%s:%d", __FILE__, __LINE__); + } + } + else + { + opr_decode (memaddr + 1, info); + } + break; + case SB_REG_OPR_OPR: + { + uint8_t xb; + int n = opr_n_bytes (memaddr + 1, info); + read_memory (memaddr + 1 + n, &xb, 1, info); + + if ((xb & 0xF0) == 0x70) + { + int imm = xb & 0x0F; + imm <<= 1; + imm |= (sb & 0x08) >> 3; + operand_separator (info); + (*info->fprintf_func) (info->stream, "#%d", imm); + } + else + { + opr_decode (memaddr + 1 + n, info); + } + } + break; + default: + break; + } + + switch (mode) + { + case SB_REG_REG_N_EFF: + case SB_REG_OPR_EFF: + case SB_OPR_N: + operand_separator (info); + (*info->fprintf_func) (info->stream, "#%d", + (sb & 0x08) ? 2 : 1); + break; + + default: + break; + } + + return 0; +} + +int +print_insn_s12z (bfd_vma memaddr, struct disassemble_info* info) +{ + bfd_byte byte; + int status = read_memory (memaddr++, &byte, 1, info); + if (status != 0) + return status; + + const struct opcode *opc2 = NULL; + const struct opcode *opc = page1 + byte; + if (opc->mnemonic) + { + (*info->fprintf_func) (info->stream, "%s", opc->mnemonic); + } + else + { + /* The special cases ... */ + switch (byte) + { + case PAGE2_PREBYTE: + { + bfd_byte byte2; + read_memory (memaddr++, &byte2, 1, info); + opc2 = page2 + byte2; + if (opc2->mnemonic) + { + (*info->fprintf_func) (info->stream, "%s", opc2->mnemonic); + + if (opc2->operands) + { + opc2->operands (memaddr, info); + } + + if (opc2->operands2) + { + opc2->operands2 (memaddr, info); + } + } + else if (byte2 >= 0x08 && byte2 <= 0x1F) + { + bfd_byte bb; + read_memory (memaddr, &bb, 1, info); + if (bb & 0x80) + (*info->fprintf_func) (info->stream, "bfins"); + else + (*info->fprintf_func) (info->stream, "bfext"); + + enum BB_MODE mode = -1; + size_t i; + const struct opr_bb *bbs = 0; + for (i = 0; i < sizeof (bb_modes) / sizeof (bb_modes[0]); ++i) + { + bbs = bb_modes + i; + if ((bb & bbs->mask) == bbs->value) + { + mode = bbs->mode; + break; + } + } + + switch (mode) + { + case BB_REG_OPR_REG: + case BB_REG_OPR_IMM: + case BB_OPR_REG_REG: + case BB_OPR_REG_IMM: + { + int size = (bb >> 2) & 0x03; + (*info->fprintf_func) (info->stream, ".%c", + shift_size_table [size]); + } + break; + default: + break; + } + + int reg1 = byte2 & 0x07; + /* First operand */ + switch (mode) + { + case BB_REG_REG_REG: + case BB_REG_REG_IMM: + case BB_REG_OPR_REG: + case BB_REG_OPR_IMM: + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", + registers[reg1].name); + break; + case BB_OPR_REG_REG: + opr_decode (memaddr + 1, info); + break; + case BB_OPR_REG_IMM: + opr_decode (memaddr + 2, info); + break; + } + + /* Second operand */ + switch (mode) + { + case BB_REG_REG_REG: + case BB_REG_REG_IMM: + { + int reg_src = (bb >> 2) & 0x07; + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", + registers[reg_src].name); + } + break; + case BB_OPR_REG_REG: + case BB_OPR_REG_IMM: + { + int reg_src = (byte2 & 0x07); + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", + registers[reg_src].name); + } + break; + case BB_REG_OPR_REG: + opr_decode (memaddr + 1, info); + break; + case BB_REG_OPR_IMM: + opr_decode (memaddr + 2, info); + break; + } + + /* Third operand */ + operand_separator (info); + switch (mode) + { + case BB_REG_REG_REG: + case BB_OPR_REG_REG: + case BB_REG_OPR_REG: + { + int reg_parm = bb & 0x03; + (*info->fprintf_func) (info->stream, "%s", + registers[reg_parm].name); + } + break; + case BB_REG_REG_IMM: + case BB_OPR_REG_IMM: + case BB_REG_OPR_IMM: + { + bfd_byte i1; + read_memory (memaddr + 1, &i1, 1, info); + int offset = i1 & 0x1f; + int width = bb & 0x03; + width <<= 3; + width |= i1 >> 5; + (*info->fprintf_func) (info->stream, "#%d:%d", width, offset); + } + break; + } + } + } + break; + case 0xae: /* EXG / SEX */ + status = print_insn_exg_sex (memaddr, info); + break; + case 0x0b: /* Loop Primitives TBcc and DBcc */ + status = print_insn_loop_primitive (memaddr, info); + break; + case 0x10: /* shift */ + case 0x11: /* shift */ + case 0x12: /* shift */ + case 0x13: /* shift */ + case 0x14: /* shift */ + case 0x15: /* shift */ + case 0x16: /* shift */ + case 0x17: /* shift */ + status = print_insn_shift (memaddr, info, byte); + break; + case 0x04: /* psh / pul */ + { + read_memory (memaddr, &byte, 1, info); + (*info->fprintf_func) (info->stream, (byte & 0x80) ? "pul" : "psh"); + int bit; + if (byte & 0x40) + { + if ((byte & 0x3F) == 0) + { + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", "ALL16b"); + } + else + for (bit = 5; bit >= 0; --bit) + { + if (byte & (0x1 << bit)) + { + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", oprregs2[bit]); + } + } + } + else + { + if ((byte & 0x3F) == 0) + { + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", "ALL"); + } + else + for (bit = 5; bit >= 0; --bit) + { + if (byte & (0x1 << bit)) + { + operand_separator (info); + (*info->fprintf_func) (info->stream, "%s", oprregs1[bit]); + } + } + } + } + break; + default: + operand_separator (info); + (*info->fprintf_func) (info->stream, "???"); + break; + } + } + + if (opc2 == NULL) + { + if (opc->operands) + { + opc->operands (memaddr, info); + } + + if (opc->operands2) + { + opc->operands2 (memaddr, info); + } + } + + int n = 0; + + /* Opcodes in page2 have an additional byte */ + if (opc2) + n++; + + if (opc2 && opc2->insn_bytes == 0) + return n; + + if (!opc2 && opc->insn_bytes == 0) + return n; + + if (opc2) + n += opc2->insn_bytes (memaddr, info); + else + n += opc->insn_bytes (memaddr, info); + + return n; +} diff --git a/opcodes/s12z.h b/opcodes/s12z.h new file mode 100644 index 0000000..7e38ac5 --- /dev/null +++ b/opcodes/s12z.h @@ -0,0 +1,71 @@ +#ifndef S12Z_H +#define S12Z_H + +/* This byte is used to prefix instructions in "page 2" of the opcode + space */ +#define PAGE2_PREBYTE (0x1b) + +struct reg +{ + char *name; /* The canonical name of the register */ + int bytes; /* its size, in bytes */ +}; + + +/* How many registers do we have. Actually there are only 13, + because CCL and CCH are the low and high bytes of CCW. But + for assemnbly / disassembly purposes they are considered + distinct registers. */ +#define S12Z_N_REGISTERS 15 + +extern const struct reg registers[S12Z_N_REGISTERS]; + +enum { + REG_D2 = 0, + REG_D3, + REG_D4, + REG_D5, + REG_D0, + REG_D1, + REG_D6, + REG_D7, + REG_X, + REG_Y, + REG_S, + REG_P, + REG_CCH, + REG_CCL, + REG_CCW + }; + +/* Any of the registers d0, d1, ... d7 */ +#define REG_BIT_Dn \ +((0x1U << REG_D2) | \ + (0x1U << REG_D3) | \ + (0x1U << REG_D4) | \ + (0x1U << REG_D5) | \ + (0x1U << REG_D6) | \ + (0x1U << REG_D7) | \ + (0x1U << REG_D0) | \ + (0x1U << REG_D1)) + +/* Any of the registers x, y or z */ +#define REG_BIT_XYS \ +((0x1U << REG_X) | \ + (0x1U << REG_Y) | \ + (0x1U << REG_S)) + +/* Any of the registers x, y, z or p */ +#define REG_BIT_XYSP \ +((0x1U << REG_X) | \ + (0x1U << REG_Y) | \ + (0x1U << REG_S) | \ + (0x1U << REG_P)) + +/* The x register or the y register */ +#define REG_BIT_XY \ +((0x1U << REG_X) | \ + (0x1U << REG_Y)) + + +#endif |