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authorKuan-Lin Chen <kuanlinchentw@gmail.com>2013-12-13 11:52:32 +0000
committerNick Clifton <nickc@redhat.com>2013-12-13 11:52:32 +0000
commit35c081572f32263b24554ae40502fb5b51ece8c6 (patch)
tree800c0d49d0635671e8e28c56635702212c6f7fc1 /opcodes/nds32-dis.c
parent8a48ac9579f34efea9bc4f2d5b02230e2ac3dfc1 (diff)
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Add support for Andes NDS32:
BFD: * Makefile.am (BFD32_BACKENDS, BFD32_BACKENDS_CFILES): Add nds32 files. * Makefile.in: Regenerate. * archures.c (bfd_nds32_arch): Add nds32 target. * bfd-in2.h: Regenerate. * config.bfd (nds32*le-*-linux): Add bfd_elf32_nds32lelin_vec and bfd_elf32_nds32belin_vec. (nds32*be-*-linux*): Likewise. (nds32*le-*-*): Add bfd_elf32_nds32le_vec and bfd_elf32_nds32be_vec. (nds32*be-*-*): Likewise. * configure.in (bfd_elf32_nds32be_vec): Add elf32-nds32.lo. (bfd_elf32_nds32le_vec): Likewise. (bfd_elf32_nds32belin_vec): Likewise. (bfd_elf32_nds32lelin_vec): Likewise. * configure: Regenerate. * cpu-nds32.c: New file for nds32. * elf-bfd.h: Add NDS32_ELF_DATA. * elf32-nds32.c: New file for nds32. * elf32-nds32.h: New file for nds32. * libbfd.h: Regenerate. * reloc.c: Add relocations for nds32. * targets.c (bfd_elf32_nds32be_vec): New declaration for nds32. (bfd_elf32_nds32le_vec): Likewise. (bfd_elf32_nds32belin_vec): Likewise. (bfd_elf32_nds32lelin_vec): Likewise. BINUTILS: * readelf.c: Include elf/nds32.h (guess_is_rela): Add case for EM_NDS32. (dump_relocations): Add case for EM_NDS32. (decode_NDS32_machine_flags): New. (get_machine_flags): Add case for EM_NDS32. (is_32bit_abs_reloc): Likewise. (is_16bit_abs_reloc): Likewise. (process_nds32_specific): New. (process_arch_specific): Add case for EM_NDS32. * NEWS: Announce Andes nds32 support. * MAINTAINERS: Add nds32 maintainers. TESTSUITE: * binutils-all/objdump.exp: Add NDS32 cpu. * binutils-all/readelf.r: Skip extra reloc created by NDS32. GAS: * Makefile.am (TARGET_CPU_CFILES): Add config/tc-nds32.c. (TARGET_CPU_HFILES): Add config/tc-nds32.h. * Makefile.in: Regenerate. * configure.in (nds32): Add nds32 target extension config support. * configure.tgt : Add case for nds32-*-elf* and nds32-*-linux*. * configure: Regenerate. * config/tc-nds32.c: New file for nds32. * config/tc-nds32.h: New file for nds32. * doc/Makefile.am (CPU_DOCS): Add c-nds32.texi. * doc/Makefile.in: Regenerate. * doc/as.texinfo: Add nds32 options. * doc/all.texi: Set NDS32. * doc/c-nds32.texi: New file dor nds32 document. * NEWS: Announce Andes nds32 support. TESTSUITE: * gas/all/gas.exp: Add expected failures for NDS32. * gas/elf/elf.exp: Likewise. * gas/lns/lns.exp: Use alternate test. * gas/macros/irp.d: Skip for NDS32. * gas/macros/macros.exp: Skip some tests for the NDS32. * gas/macros/rept.d: Skip for NDS32. * gas/macros/test3.d: Skip for NDS32. * gas/nds32: New directory. * gas/nds32/alu-1.s: New test. * gas/nds32/alu-1.d: Likewise. * gas/nds32/alu-2.s: Likewise. * gas/nds32/alu-2.d: Likewise. * gas/nds32/br-1.d: Likewise. * gas/nds32/br-1.s: Likewise. * gas/nds32/br-2.d: Likewise. * gas/nds32/br-2.s: Likewise. * gas/nds32/ji-jr.d: Likewise. * gas/nds32/ji-jr.s: Likewise. * gas/nds32/ls.d: Likewise. * gas/nds32/ls.s: Likewise. * gas/nds32/lsi.d: Likewise. * gas/nds32/lsi.s: Likewise. * gas/nds32/to-16bit-v1.d: Likewise. * gas/nds32/to-16bit-v1.s: Likewise. * gas/nds32/to-16bit-v2.d: Likewise. * gas/nds32/to-16bit-v2.s: Likewise. * gas/nds32/to-16bit-v3.d: Likewise. * gas/nds32/to-16bit-v3.s: Likewise. * gas/nds32/nds32.exp: New test driver. LD: * Makefile.am (ALL_EMULATION_SOURCES): Add nds32 target. * Makefile.in: Regenerate. * configure.tgt: Add case for nds32*le-*-elf*, nds32*be-*-elf*, nds32*le-*-linux-gnu*, and nds32*be-*-linux-gnu*. * emulparams/nds32belf.sh: New file for nds32. * emulparams/nds32belf_linux.sh: Likewise. * emulparams/nds32belf16m.sh: Likewise. * emulparams/nds32elf.sh: Likewise. * emulparams/nds32elf_linux.sh: Likewise. * emulparams/nds32elf16m.sh: Likewise. * emultempl/nds32elf.em: Likewise. * scripttempl/nds32elf.sc}: Likewise. * gen-doc.texi: Set NDS32. * ld.texinfo: Set NDS32. * NEWS: Announce Andes nds32 support. TESTSUITE: * lib/ld-lib.exp: Add NDS32 to list of targets that do not support shared library generation. * ld-nds32: New directory. * ld-nds32/branch.d: New test. * ld-nds32/branch.ld: New test. * ld-nds32/branch.s: New test. * ld-nds32/diff.d: New test. * ld-nds32/diff.ld: New test. * ld-nds32/diff.s: New test. * ld-nds32/gp.d: New test. * ld-nds32/gp.ld: New test. * ld-nds32/gp.s: New test. * ld-nds32/imm.d: New test. * ld-nds32/imm.ld: New test. * ld-nds32/imm.s: New test. * ld-nds32/imm_symbol.s: New test. * ld-nds32/relax_jmp.d: New test. * ld-nds32/relax_jmp.ld: New test. * ld-nds32/relax_jmp.s: New test. * ld-nds32/relax_load_store.d: New test. * ld-nds32/relax_load_store.ld: New test. * ld-nds32/relax_load_store.s: New test. * ld-nds32/nds32.exp: New file. OPCODES: * Makefile.am (TARGET_LIBOPCODES_CFILES): Add nds32-asm.c and nds32-dis.c. * Makefile.in: Regenerate. * configure.in: Add case for bfd_nds32_arch. * configure: Regenerate. * disassemble.c (ARCH_nds32): Define. * nds32-asm.c: New file for nds32. * nds32-asm.h: New file for nds32. * nds32-dis.c: New file for nds32. * nds32-opc.h: New file for nds32. INCLUDE: * dis-asm.h (print_insn_nds32): Add nds32 target. * elf/nds32.h: New file for nds32. * opcode/nds32.h: New file for nds32.
Diffstat (limited to 'opcodes/nds32-dis.c')
-rw-r--r--opcodes/nds32-dis.c1196
1 files changed, 1196 insertions, 0 deletions
diff --git a/opcodes/nds32-dis.c b/opcodes/nds32-dis.c
new file mode 100644
index 0000000..f4bf779
--- /dev/null
+++ b/opcodes/nds32-dis.c
@@ -0,0 +1,1196 @@
+/* NDS32-specific support for 32-bit ELF.
+ Copyright (C) 2012-2013 Free Software Foundation, Inc.
+ Contributed by Andes Technology Corporation.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ This program 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 of the License, or
+ (at your option) any later version.
+
+ This program 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 "ansidecl.h"
+#include "dis-asm.h"
+#include "bfd.h"
+#include "symcat.h"
+#include "libiberty.h"
+#include "opintl.h"
+#include "bfd_stdint.h"
+
+#define __MF(v, off, bs) ((v & ((1 << (bs)) - 1)) << (off))
+#define __GF(v, off, bs) ((v >> (off)) & ((1 << (bs)) - 1))
+#define __PF(v, off, bs, val) do { v = __put_field (v, off, bs, val); } while (0)
+/* #define __SEXT(v, bs) ((v ^ (1 << (bs - 1))) - (1 << (bs - 1))) */
+#define __SEXT(v, bs) (((v & ((1 << bs) - 1)) ^ (1 << (bs - 1))) - (1 << (bs - 1)))
+#define __BIT(n) (1 << n)
+
+/* Get fields */
+#define OP6(insn) ((insn >> 25) & 0x3F)
+#define RT5(insn) ((insn >> 20) & 0x1F)
+#define RA5(insn) ((insn >> 15) & 0x1F)
+#define RB5(insn) ((insn >> 10) & 0x1F)
+#define RD5(insn) ((insn >> 5) & 0x1F)
+#define SUB5(insn) ((insn >> 0) & 0x1F)
+#define SUB10(insn) ((insn >> 0) & 0x3FF)
+#define IMMU(insn, bs) (insn & ((1 << bs) - 1))
+#define IMMS(insn, bs) __SEXT ((insn & ((1 << bs) - 1)), bs)
+#define IMM1U(insn) IMMU ((insn >> 10), 5)
+#define IMM1S(insn) IMMS ((insn >> 10), 5)
+#define IMM2U(insn) IMMU ((insn >> 5), 5)
+#define IMM2S(insn) IMMS ((insn >> 5), 5)
+
+/* Default text to print if an instruction isn't recognized. */
+#define UNKNOWN_INSN_MSG _("*unknown*")
+
+static const char *mnemonic_op6[] =
+{
+ "lbi", "lhi", "lwi", "ldi", "lbi.bi", "lhi.bi", "lwi.bi", "ldi.bi",
+ "sbi", "shi", "swi", "sdi", "sbi.bi", "shi.bi", "swi.bi", "sdi.bi",
+ "lbsi", "lhsi", "lwsi", "dprefi", "lbsi.bi", "lhsi.bi", "lwsi.bi", "lbgp",
+ "lwc", "swc", "ldc", "sdc", "mem", "lsmw", "hwgp", "sbgp",
+ "alu1", "alu2", "movi", "sethi", "ji", "jreg", "br1", "br2",
+ "addi", "subri", "andi", "xori", "ori", "br3", "slti", "sltsi",
+ "aext", "cext", "misc", "bitci", "op_64", "cop"
+};
+
+static const char *mnemonic_mem[] =
+{
+ "lb", "lh", "lw", "ld", "lb.bi", "lh.bi", "lw.bi", "ld.bi",
+ "sb", "sh", "sw", "sd", "sb.bi", "sh.bi", "sw.bi", "sd.bi",
+ "lbs", "lhs", "lws", "dpref", "lbs.bi", "lhs.bi", "lws.bi", "27",
+ "llw", "scw", "32", "33", "34", "35", "36", "37",
+ "lbup", "41", "lwup", "43", "44", "45", "46", "47",
+ "sbup", "51", "swup"
+};
+
+static const char *mnemonic_alu1[] =
+{
+ "add", "sub", "and", "xor", "or", "nor", "slt", "slts",
+ "slli", "srli", "srai", "rotri", "sll", "srl", "sra", "rotr",
+ "seb", "seh", "bitc", "zeh", "wsbh", "or_srli", "divsr", "divr",
+ "sva", "svs", "cmovz", "cmovn", "add_srli", "sub_srli", "and_srli", "xor_srli"
+};
+
+
+static const char *mnemonic_alu20[] =
+{
+ "max", "min", "ave", "abs", "clips", "clip", "clo", "clz",
+ "bset", "bclr", "btgl", "btst", "bse", "bsp", "ffb", "ffmism",
+ "add.sc", "sub.sc", "add.wc", "sub.wc", "24", "25", "26", "ffzmism",
+ "qadd", "qsub", "32", "33", "34", "35", "36", "37",
+ "mfusr", "mtusr", "42", "43", "mul", "45", "46", "47",
+ "mults64", "mult64", "madds64", "madd64", "msubs64", "msub64", "divs", "div",
+ "60", "mult32", "62", "madd32", "64", "msub32", "65", "66",
+ "dmadd", "dmaddc", "dmsub", "dmsubc", "rmfhi", "qmflo"
+};
+
+static const char *mnemonic_alu21[] =
+{
+ "00", "01", "02", "03", "04", "05", "06", "07",
+ "10", "11", "12", "13", "14", "15", "ffbi", "flmism",
+ "20", "21", "22", "23", "24", "25", "26", "27",
+ "30", "31", "32", "33", "34", "35", "36", "37",
+ "40", "41", "42", "43", "44", "45", "46", "47",
+ "mulsr64", "mulr64", "52", "53", "54", "55", "56", "57",
+ "60", "61", "62", "maddr32", "64", "msubr32", "66", "67",
+ "70", "71", "72", "73", "74", "75", "76", "77"
+};
+
+static const char *mnemonic_br2[] =
+{
+ "ifcall", "01", "beqz", "bnez", "bgez", "bltz", "bgtz", "blez",
+ "10", "11", "12", "13", "bgezal", "bltzal"
+};
+
+static const char *mnemonic_misc[] =
+{
+ "standby", "cctl", "mfsr", "mtsr", "iret", "trap", "teqz", "tnez",
+ "dsb", "isb", "break", "syscall", "msync", "isync", "tlbop"
+};
+
+static const char *mnemonic_hwgp[] =
+{
+ "lhi.gp", "lhi.gp", "lhsi.gp", "lhsi.gp",
+ "shi.gp", "shi.gp", "lwi.gp", "swi.gp"
+};
+
+static const char *keyword_dpref[] =
+{
+ "SRD", "MRD", "SWR", "MWR", "PTE", "CLWR", "6", "7",
+ "8", "9", "10", "11", "12", "13", "14", "15"
+};
+
+static const char *mnemonic_alu[] =
+{
+ "fadds", "fsubs", "fcpynss", "fcpyss", "fmadds",
+ "fmsubs", "fcmovns", "fcmovzs", "fnmadds", "fnmsubs",
+ "10", "11", "fmuls", "fdivs", "faddd",
+ "fsubd", "fcpynsd", "fcpysd", "fmaddd", "fmsubd",
+ "fcmovnd", "fcmovzd", "fnmaddd", "fnmsubd", "24",
+ "25", "fmuld", "fdivd"
+};
+
+static const char *mnemonic_fpu_2op[] =
+{
+ "fs2d", "fsqrts", "2", "3", "4", "fabss", "6", "7",
+ "fui2s", "9", "10", "11", "fsi2s", "13", "14", "15",
+ "fs2ui", "17", "18", "19", "fs2ui.z", "21", "22", "23",
+ "fs2si", "25", "26", "27", "fs2si.z", "fd2s", "fsqrtd", "31",
+ "32", "33", "fabsd", "35", "36", "fui2d", "38", "39",
+ "40", "fsi2d", "42", "43", "44", "fd2ui", "46", "47",
+ "48", "fd2ui.z", "50", "51", "52", "fd2si", "54", "55",
+ "56", "fd2si.z"
+};
+
+static const char *mnemonic_fs2_cmp[] =
+{
+ "fcmpeqs", "fcmpeqs.e", "fcmplts", "fcmplts.e",
+ "fcmples", "fcmples.e", "fcmpuns", "fcmpuns.e"
+};
+
+static const char *mnemonic_fd2_cmp[] =
+{
+ "fcmpeqd", "fcmpeqd.e", "fcmpltd", "fcmpltd.e",
+ "fcmpled", "fcmpled.e", "fcmpund", "fcmpund.e"
+};
+
+static const char *gpr_map[] =
+{
+ "$r0", "$r1", "$r2", "$r3", "$r4", "$r5", "$r6", "$r7",
+ "$r8", "$r9", "$r10", "$r11", "$r12", "$r13", "$r14", "$r15",
+ "$r16", "$r17", "$r18", "$r19", "$r20", "$r21", "$r22", "$r23",
+ "$r24", "$r25", "$r26", "$r27", "$fp", "$gp", "$lp", "$sp"
+};
+
+static const char *usr_map[][32] =
+{
+ {
+ "d0,lo", "d0.hi", "d1,lo", "d1,hi", "4", "5", "6", "7",
+ "8", "9", "10", "11", "12", "13", "14", "15",
+ "16", "17", "18", "19", "20", "21", "22", "23",
+ "24", "25", "26", "27", "28", "29", "30", "pc"
+ },
+ {
+ "DMA_CFG", "DMA_GCSW", "DMA_CHNSEL", "DMA_ACT", "DMA_SETUP",
+ "DMA_ISADDR", "DMA_ESADDR", "DMA_TCNT", "DMA_STATUS", "DMA_2DSET",
+ "10", "11", "12", "13", "14",
+ "15", "16,", "17", "18", "19",
+ "20", "21", "22", "23", "24,",
+ "DMA_2DSCTL"
+ },
+ {
+ "PFMC0", "PFMC1", "PFMC2", "3", "PFMCTL"
+ }
+};
+
+static void
+print_insn16 (bfd_vma pc, disassemble_info *info, uint32_t insn)
+{
+ static char r4map[] =
+ {
+ 0, 1, 2, 3, 4, 5, 6, 7,
+ 8, 9, 10, 11, 16, 17, 18, 19
+ };
+ const int rt5 = __GF (insn, 5, 5);
+ const int ra5 = __GF (insn, 0, 5);
+ const int rt4 = r4map[__GF (insn, 5, 4)];
+ const int imm5u = IMMU (insn, 5);
+ const int imm9u = IMMU (insn, 9);
+ const int rt3 = __GF (insn, 6, 3);
+ const int ra3 = __GF (insn, 3, 3);
+ const int rb3 = __GF (insn, 0, 3);
+ const int rt38 = __GF (insn, 8, 3);
+ const int imm3u = rb3;
+ fprintf_ftype func = info->fprintf_func;
+ void *stream = info->stream;
+
+ static const char *mnemonic_96[] =
+ {
+ "0x1", "0x1", "0x2", "0x3",
+ "add45", "sub45", "addi45", "subi45",
+ "srai45", "srli45", "slli333", "0xb",
+ "add333", "sub333", "addi333", "subi333",
+ "lwi333", "lwi333.bi", "lhi333", "lbi333",
+ "swi333", "swi333.bi", "shi333", "sbi333",
+ "addri36.sp", "lwi45.fe", "lwi450", "swi450",
+ "0x1c", "0x1d", "0x1e", "0x1f",
+ "0x20", "0x21", "0x22", "0x23",
+ "0x24", "0x25", "0x26", "0x27,"
+ "0x28", "0x29", "0x2a", "0x2b",
+ "0x2c", "0x2d", "0x2e", "0x2f,"
+ "slts45", "slt45", "sltsi45", "slti45",
+ "0x34", "0x35", "0x36", "0x37",
+ "0x38", "0x39", "0x3a", "0x3b",
+ "ifcall9", "movpi45"
+ };
+
+ static const char *mnemonic_misc33[] =
+ {
+ "misc33_0", "misc33_1", "neg33", "not33", "mul33", "xor33", "and33", "or33",
+ };
+
+ static const char *mnemonic_0xb[] =
+ {
+ "zeb33", "zeh33", "seb33", "seh33", "xlsb33", "x11b33", "bmski33", "fexti33"
+ };
+
+ static const char *mnemonic_bnes38[] =
+ {
+ "jr5", "jral5", "ex9.it", "?", "ret5", "add5.pc"
+ };
+
+ switch (__GF (insn, 7, 8))
+ {
+ case 0xf8: /* push25 */
+ case 0xf9: /* pop25 */
+ {
+ uint32_t res[] = { 6, 8, 10, 14 };
+ uint32_t re = res[__GF (insn, 5, 2)];
+
+ func (stream, "%s\t%s, %d", (insn & __BIT (7)) ? "pop25" : "push25",
+ gpr_map[re], imm5u << 3);
+ }
+ return;
+ }
+
+ if (__GF (insn, 8, 7) == 0x7d) /* movd44 */
+ {
+ int rt5e = __GF (insn, 4, 4) << 1;
+ int ra5e = IMMU (insn, 4) << 1;
+
+ func (stream, "movd44\t%s, %d", gpr_map[rt5e], ra5e);
+ return;
+ }
+
+ switch (__GF (insn, 9, 6))
+ {
+ case 0x4: /* add45 */
+ case 0x5: /* sub45 */
+ case 0x30: /* slts45 */
+ case 0x31: /* slt45 */
+ func (stream, "%s\t%s, %s", mnemonic_96[__GF (insn, 9, 6)],
+ gpr_map[rt4], gpr_map[ra5]);
+ return;
+ case 0x6: /* addi45 */
+ case 0x7: /* subi45 */
+ case 0x8: /* srai45 */
+ case 0x9: /* srli45 */
+ case 0x32: /* sltsi45 */
+ case 0x33: /* slti45 */
+ func (stream, "%s\t%s, %d", mnemonic_96[__GF (insn, 9, 6)],
+ gpr_map[rt4], ra5);
+ return;
+ case 0xc: /* add333 */
+ case 0xd: /* sub333 */
+ func (stream, "%s\t%s, %s, %s", mnemonic_96[__GF (insn, 9, 6)],
+ gpr_map[rt3], gpr_map[ra3], gpr_map[rb3]);
+ return;
+ case 0xa: /* slli333 */
+ case 0xe: /* addi333 */
+ case 0xf: /* subi333 */
+ func (stream, "%s\t%s, %s, %d", mnemonic_96[__GF (insn, 9, 6)],
+ gpr_map[rt3], gpr_map[ra3], imm3u);
+ return;
+ case 0x10: /* lwi333 */
+ case 0x14: /* swi333 */
+ func (stream, "%s\t%s, [%s + %d]", mnemonic_96[__GF (insn, 9, 6)],
+ gpr_map[rt3], gpr_map[ra3], imm3u << 2);
+ return;
+ case 0x12: /* lhi333 */
+ case 0x16: /* shi333 */
+ func (stream, "%s\t%s, [%s + %d]", mnemonic_96[__GF (insn, 9, 6)],
+ gpr_map[rt3], gpr_map[ra3], imm3u << 1);
+ return;
+ case 0x13: /* lbi333 */
+ case 0x17: /* sbi333 */
+ func (stream, "%s\t%s, [%s + %d]", mnemonic_96[__GF (insn, 9, 6)],
+ gpr_map[rt3], gpr_map[ra3], imm3u);
+ return;
+ case 0x11: /* lwi333.bi */
+ case 0x15: /* swi333.bi */
+ func (stream, "%s\t%s, [%s], %d", mnemonic_96[__GF (insn, 9, 6)],
+ gpr_map[rt3], gpr_map[ra3], imm3u << 2);
+ return;
+ case 0x18: /* addri36.sp */
+ func (stream, "%s\t%s, %d", mnemonic_96[__GF (insn, 9, 6)],
+ gpr_map[rt3], IMMU (insn, 6) << 2);
+ return;
+ case 0x19: /* lwi45.fe */
+ func (stream, "%s\t%s, %d", mnemonic_96[__GF (insn, 9, 6)],
+ gpr_map[rt4], -((32 - imm5u) << 2));
+ return;
+ case 0x1a: /* lwi450 */
+ case 0x1b: /* swi450 */
+ func (stream, "%s\t%s, [%s]", mnemonic_96[__GF (insn, 9, 6)],
+ gpr_map[rt4], gpr_map[ra5]);
+ return;
+ case 0x34: /* beqzs8, bnezs8 */
+ func (stream, "%s\t", ((insn & __BIT (8)) ? "bnezs8" : "beqzs8"));
+ info->print_address_func ((IMMS (insn, 8) << 1) + pc, info);
+ return;
+ case 0x35: /* break16, ex9.it */
+ /* FIXME: Check bfd_mach. */
+ if (imm9u < 32) /* break16 */
+ func (stream, "break16\t%d", imm9u);
+ else
+ func (stream, "ex9.it\t%d", imm9u);
+ return;
+ case 0x3c: /* ifcall9 */
+ func (stream, "%s\t", mnemonic_96[__GF (insn, 9, 6)]);
+ info->print_address_func ((IMMU (insn, 9) << 1) + pc, info);
+ return;
+ case 0x3d: /* movpi45 */
+ func (stream, "%s\t%s, %d", mnemonic_96[__GF (insn, 9, 6)],
+ gpr_map[rt4], ra5 + 16);
+ return;
+ case 0x3f: /* MISC33 */
+ func (stream, "%s\t%s, %s", mnemonic_misc33[rb3],
+ gpr_map[rt3], gpr_map[ra3]);
+ return;
+ case 0xb: /* ... */
+ func (stream, "%s\t%s, %s", mnemonic_0xb[rb3],
+ gpr_map[rt3], gpr_map[ra3]);
+ return;
+ }
+
+ switch (__GF (insn, 10, 5))
+ {
+ case 0x0: /* mov55 or ifret16 */
+ /* FIXME: Check bfd_mach. */
+ if (rt5 == ra5 && rt5 == 31)
+ func (stream, "ifret16");
+ else
+ func (stream, "mov55\t%s, %s", gpr_map[rt5], gpr_map[ra5]);
+ return;
+ case 0x1: /* movi55 */
+ func (stream, "movi55\t%s, %d", gpr_map[rt5], IMMS (insn, 5));
+ return;
+ case 0x1b: /* addi10s (V2) */
+ func (stream, "addi10s\t%d", IMMS (insn, 10));
+ return;
+ }
+
+ switch (__GF (insn, 11, 4))
+ {
+ case 0x7: /* lwi37.fp/swi37.fp */
+ func (stream, "%s\t%s, [$fp + 0x%x]",
+ ((insn & __BIT (7)) ? "swi37" : "lwi37"),
+ gpr_map[rt38], IMMU (insn, 7) << 2);
+ return;
+ case 0x8: /* beqz38 */
+ case 0x9: /* bnez38 */
+ func (stream, "%s\t%s, ",
+ ((__GF (insn, 11, 4) & 1) ? "bnez38" : "beqz38"), gpr_map[rt38]);
+ info->print_address_func ((IMMS (insn, 8) << 1) + pc, info);
+ return;
+ case 0xa: /* beqs38/j8, implied r5 */
+ if (rt38 == 5)
+ {
+ func (stream, "j8\t");
+ info->print_address_func ((IMMS (insn, 8) << 1) + pc, info);
+ }
+ else
+ {
+ func (stream, "beqs38\t%s, ", gpr_map[rt38]);
+ info->print_address_func ((IMMS (insn, 8) << 1) + pc, info);
+ }
+ return;
+ case 0xb: /* bnes38 and others */
+ if (rt38 == 5)
+ {
+ switch (__GF (insn, 5, 3))
+ {
+ case 0: /* jr5 */
+ case 1: /* jral5 */
+ case 4: /* ret5 */
+ func (stream, "%s\t%s", mnemonic_bnes38[__GF (insn, 5, 3)],
+ gpr_map[ra5]);
+ return;
+ case 2: /* ex9.it imm5 */
+ case 5: /* add5.pc */
+ func (stream, "%s\t%d", mnemonic_bnes38[__GF (insn, 5, 3)], ra5);
+ return;
+ default:
+ func (stream, UNKNOWN_INSN_MSG);
+ return;
+ }
+ }
+ else
+ {
+ func (stream, "bnes38\t%s", gpr_map[rt3]);
+ info->print_address_func ((IMMS (insn, 8) << 1) + pc, info);
+ }
+ return;
+ case 0xe: /* lwi37/swi37 */
+ func (stream, "%s\t%s, [+ 0x%x]",
+ ((insn & __BIT (7)) ? "swi37.sp" : "lwi37.sp"),
+ gpr_map[rt38], IMMU (insn, 7) << 2);
+ return;
+ }
+}
+
+
+static void
+print_insn32_mem (bfd_vma pc ATTRIBUTE_UNUSED, disassemble_info *info,
+ uint32_t insn)
+{
+ const int rt = RT5 (insn);
+ const int ra = RA5 (insn);
+ const int rb = RB5 (insn);
+ const int sv = __GF (insn, 8, 2);
+ const int op = insn & 0xFF;
+ fprintf_ftype func = info->fprintf_func;
+ void *stream = info->stream;
+
+ switch (op)
+ {
+ case 0x0: /* lb */
+ case 0x1: /* lh */
+ case 0x2: /* lw */
+ case 0x3: /* ld */
+ case 0x8: /* sb */
+ case 0x9: /* sh */
+ case 0xa: /* sw */
+ case 0xb: /* sd */
+ case 0x10: /* lbs */
+ case 0x11: /* lhs */
+ case 0x12: /* lws */
+ case 0x18: /* llw */
+ case 0x19: /* scw */
+ case 0x20: /* lbup */
+ case 0x22: /* lwup */
+ case 0x28: /* sbup */
+ case 0x2a: /* swup */
+ func (stream, "%s\t%s, [%s + (%s << %d)]",
+ mnemonic_mem[op], gpr_map[rt], gpr_map[ra], gpr_map[rb], sv);
+ break;
+ case 0x4: /* lb.bi */
+ case 0x5: /* lh.bi */
+ case 0x6: /* lw.bi */
+ case 0x7: /* ld.bi */
+ case 0xc: /* sb.bi */
+ case 0xd: /* sh.bi */
+ case 0xe: /* sw.bi */
+ case 0xf: /* sd.bi */
+ case 0x14: /* lbs.bi */
+ case 0x15: /* lhs.bi */
+ case 0x16: /* lws.bi */
+ func (stream, "%s\t%s, [%s], (%s << %d)",
+ mnemonic_mem[op], gpr_map[rt], gpr_map[ra], gpr_map[rb], sv);
+ break;
+ case 0x13: /* dpref */
+ {
+ const char *subtype = "???";
+
+ if ((rt & 0xf) < ARRAY_SIZE (keyword_dpref))
+ subtype = keyword_dpref[rt & 0xf];
+
+ func (stream, "%s\t%s, [%s + (%s << %d)]",
+ "dpref", subtype, gpr_map[ra], gpr_map[rb], sv);
+ }
+ break;
+ default:
+ func (stream, UNKNOWN_INSN_MSG);
+ return;
+ }
+}
+
+static void
+print_insn32_alu1 (bfd_vma pc ATTRIBUTE_UNUSED, disassemble_info *info, uint32_t insn)
+{
+ int op = insn & 0x1f;
+ const int rt = RT5 (insn);
+ const int ra = RA5 (insn);
+ const int rb = RB5 (insn);
+ const int rd = RD5 (insn);
+ fprintf_ftype func = info->fprintf_func;
+ void *stream = info->stream;
+
+ switch (op)
+ {
+ case 0x0: /* add, add_slli */
+ case 0x1: /* sub, sub_slli */
+ case 0x2: /* and, add_slli */
+ case 0x3: /* xor, xor_slli */
+ case 0x4: /* or, or_slli */
+ if (rd != 0)
+ {
+ func (stream, "%s_slli\t%s, %s, %s, #%d",
+ mnemonic_alu1[op], gpr_map[rt], gpr_map[ra], gpr_map[rb], rd);
+ }
+ else
+ {
+ func (stream, "%s\t%s, %s, %s",
+ mnemonic_alu1[op], gpr_map[rt], gpr_map[ra], gpr_map[rb]);
+ }
+ return;
+ case 0x1c: /* add_srli */
+ case 0x1d: /* sub_srli */
+ case 0x1e: /* and_srli */
+ case 0x1f: /* xor_srli */
+ case 0x15: /* or_srli */
+ func (stream, "%s\t%s, %s, %s, #%d",
+ mnemonic_alu1[op], gpr_map[rt], gpr_map[ra], gpr_map[rb], rd);
+ return;
+ case 0x5: /* nor */
+ case 0x6: /* slt */
+ case 0x7: /* slts */
+ case 0xc: /* sll */
+ case 0xd: /* srl */
+ case 0xe: /* sra */
+ case 0xf: /* rotr */
+ case 0x12: /* bitc */
+ case 0x18: /* sva */
+ case 0x19: /* svs */
+ case 0x1a: /* cmovz */
+ case 0x1b: /* cmovn */
+ func (stream, "%s\t%s, %s, %s",
+ mnemonic_alu1[op], gpr_map[rt], gpr_map[ra], gpr_map[rb]);
+ return;
+ case 0x9: /* srli */
+ if (ra ==0 && rb == 0 && rb==0)
+ {
+ func (stream, "nop");
+ return;
+ }
+ case 0x8: /* slli */
+ case 0xa: /* srai */
+ case 0xb: /* rotri */
+ func (stream, "%s\t%s, %s, #%d",
+ mnemonic_alu1[op], gpr_map[rt], gpr_map[ra], rb);
+ return;
+ case 0x10: /* seb */
+ case 0x11: /* seh */
+ case 0x13: /* zeh */
+ case 0x14: /* wsbh */
+ func (stream, "%s\t%s, %s",
+ mnemonic_alu1[op], gpr_map[rt], gpr_map[ra]);
+ return;
+ case 0x16: /* divsr */
+ case 0x17: /* divr */
+ func (stream, "%s\t%s, %s, %s, %s",
+ mnemonic_alu1[op], gpr_map[rt], gpr_map[rd], gpr_map[ra], gpr_map[rb]);
+ return;
+ default:
+ func (stream, UNKNOWN_INSN_MSG);
+ return;
+ }
+
+ return;
+}
+
+static void
+print_insn32_alu2 (bfd_vma pc ATTRIBUTE_UNUSED,
+ disassemble_info *info,
+ uint32_t insn)
+{
+ int op = insn & 0x3ff;
+ const int rt = RT5 (insn);
+ const int ra = RA5 (insn);
+ const int rb = RB5 (insn);
+ fprintf_ftype func = info->fprintf_func;
+ void *stream = info->stream;
+
+ if ((insn & 0x7f) == 0x4e) /* ffbi */
+ {
+ func (stream, "ffbi\t%s, %s, #0x%x",
+ gpr_map[rt], gpr_map[ra], __GF (insn, 7, 8));
+ return;
+ }
+
+ switch (op)
+ {
+ case 0x0: /* max */
+ case 0x1: /* min */
+ case 0x2: /* ave */
+ case 0xc: /* bse */
+ case 0xd: /* bsp */
+ case 0xe: /* ffb */
+ case 0xf: /* ffmism */
+ case 0x17: /* ffzmism */
+ case 0x24: /* mul */
+ func (stream, "%s\t%s, %s, %s", mnemonic_alu20[op],
+ gpr_map[rt], gpr_map[ra], gpr_map[rb]);
+ return;
+
+ case 0x3: /* abs */
+ case 0x6: /* clo */
+ case 0x7: /* clz */
+ func (stream, "%s\t%s, %s", mnemonic_alu20[op], gpr_map[rt], gpr_map[ra]);
+ return;
+
+ case 0x4: /* clips */
+ case 0x5: /* clip */
+ case 0x8: /* bset */
+ case 0x9: /* bclr */
+ case 0xa: /* btgl */
+ case 0xb: /* btst */
+ func (stream, "%s\t%s, %s, #%d", mnemonic_alu20[op],
+ gpr_map[rt], gpr_map[ra], IMM1U (insn));
+ return;
+
+ case 0x20: /* mfusr */
+ case 0x21: /* mtusr */
+ func (stream, "%s\t%s, $%s", mnemonic_alu20[op],
+ gpr_map[rt], usr_map[__GF (insn, 10, 5)][__GF (insn, 15, 5)]);
+ return;
+ case 0x28: /* mults64 */
+ case 0x29: /* mult64 */
+ case 0x2a: /* madds64 */
+ case 0x2b: /* madd64 */
+ case 0x2c: /* msubs64 */
+ case 0x2d: /* msub64 */
+ case 0x2e: /* divs */
+ case 0x2f: /* div */
+ case 0x31: /* mult32 */
+ case 0x33: /* madd32 */
+ case 0x35: /* msub32 */
+ func (stream, "%s\t$d%d, %s, %s", mnemonic_alu20[op],
+ rt >> 1, gpr_map[ra], gpr_map[rb]);
+ return;
+
+ case 0x4f: /* flmism */
+ case 0x68: /* mulsr64 */
+ case 0x69: /* mulr64 */
+ case 0x73: /* maddr32 */
+ case 0x75: /* msubr32 */
+ op = insn & 0x3f;
+ func (stream, "%s\t%s, %s, %s", mnemonic_alu21[op],
+ gpr_map[rt], gpr_map[ra], gpr_map[rb]);
+ return;
+ default:
+ func (stream, UNKNOWN_INSN_MSG);
+ return;
+ }
+}
+
+static void
+print_insn32_jreg (bfd_vma pc ATTRIBUTE_UNUSED, disassemble_info *info, uint32_t insn)
+{
+ int op = insn & 0xff;
+ const int rt = RT5 (insn);
+ const int rb = RB5 (insn);
+ const char *dtit_on[] = { "", ".iton", ".dton", ".ton" };
+ const char *dtit_off[] = { "", ".itoff", ".dtoff", ".toff" };
+ const char *mnemonic_jreg[] = { "jr", "jral", "jrnez", "jralnez" };
+ const char *mnemonic_ret[] = { "jr", "ret", NULL, "ifret" };
+ const int dtit = __GF (insn, 8, 2);
+ fprintf_ftype func = info->fprintf_func;
+ void *stream = info->stream;
+
+ switch (op)
+ {
+ case 0: /* jr */
+ func (stream, "%s%s\t%s", mnemonic_ret[op >> 5],
+ dtit_on[dtit], gpr_map[rb]);
+ return;
+
+ case 0x20: /* ret */
+ func (stream, "%s%s\t%s", mnemonic_ret[op >> 5],
+ dtit_off[dtit], gpr_map[rb]);
+ return;
+ case 0x60: /* ifret */
+ break;
+ case 1: /* jral */
+ case 2: /* jrnez */
+ case 3: /* jralnez */
+ func (stream, "%s%s\t%s, %s", mnemonic_jreg[op],
+ dtit_on[dtit], gpr_map[rt], gpr_map[rb]);
+ return;
+ default: /* unknown */
+ func (stream, UNKNOWN_INSN_MSG);
+ break;
+ }
+}
+
+static void
+print_insn32_misc (bfd_vma pc ATTRIBUTE_UNUSED, disassemble_info *info,
+ uint32_t insn)
+{
+ int op = insn & 0x1f;
+ int rt = RT5 (insn);
+ unsigned int id;
+ fprintf_ftype func = info->fprintf_func;
+ void *stream = info->stream;
+
+ static const char *keyword_standby[] =
+ {
+ "no_wake_grant", "wake_grant", "wait_done",
+ };
+ static const char *keyword_tlbop[] =
+ {
+ "TRD", "TWR", "RWR", "RWLK", "UNLK", "PB", "INV", "FLUA"
+ };
+
+ switch (op)
+ {
+ case 0x0: /* standby */
+ id = __GF (insn, 5, 20);
+ if (id < ARRAY_SIZE (keyword_standby))
+ func (stream, "standby\t%s", keyword_standby[id]);
+ else
+ func (stream, "standby\t%d", id);
+ return;
+ case 0x1: /* cctl */
+ func (stream, "cctl\t!FIXME");
+ return;
+ case 0x8: /* dsb */
+ case 0x9: /* isb */
+ case 0xd: /* isync */
+ case 0xc: /* msync */
+ case 0x4: /* iret */
+ func (stream, "%s", mnemonic_misc[op]);
+ return;
+ case 0x5: /* trap */
+ case 0xa: /* break */
+ case 0xb: /* syscall */
+ id = __GF (insn, 5, 15);
+ func (stream, "%s\t%d", mnemonic_misc[op], id);
+ return;
+ case 0x2: /* mfsr */
+ case 0x3: /* mtsr */
+ /* FIXME: setend, setgie. */
+ id = __GF (insn, 10, 10);
+ func (stream, "%s\t%s, %d", mnemonic_misc[op], gpr_map[rt], id);
+ return;
+ case 0x6: /* teqz */
+ case 0x7: /* tnez */
+ id = __GF (insn, 5, 15);
+ func (stream, "%s\t%s, %d", mnemonic_misc[op], gpr_map[rt], id);
+ return;
+ case 0xe: /* tlbop */
+ id = __GF (insn, 5, 5);
+ if (id < ARRAY_SIZE (keyword_tlbop))
+ func (stream, "tlbop\t%s", keyword_tlbop[id]);
+ else
+ func (stream, "tlbop\t%d", id);
+ return;
+ }
+}
+
+static void
+print_insn32_fpu (bfd_vma pc ATTRIBUTE_UNUSED, disassemble_info *info,
+ uint32_t insn)
+{
+ int op = insn & 0xf;
+ int mask_sub_op = (insn & 0x3c0) >> 6;
+ int mask_bi = (insn & 0x80) >> 7;
+ int mask_cfg = (insn & 0x7c00) >> 10;
+ int mask_f2op = (insn & 0x7c00) >> 10;
+ int dp = 0;
+ int dp_insn = 0;
+ char wd = 's';
+ const int rt = RT5 (insn);
+ const int ra = RA5 (insn);
+ const int rb = RB5 (insn);
+ const int sv = __GF (insn, 8, 2);
+ fprintf_ftype func = info->fprintf_func;
+ void *stream = info->stream;
+
+ switch (op)
+ {
+ case 0x0: /* fs1 */
+ case 0x8: /* fd1 */
+ dp = (op & 0x8) ? 1 : 0;
+ if (dp)
+ {
+ wd = 'd';
+ dp_insn = 14;
+ }
+ else
+ {
+ wd = 's';
+ dp_insn = 0;
+ }
+ switch (mask_sub_op)
+ {
+ case 0x0:
+ case 0x1:
+ case 0x2:
+ case 0x3:
+ case 0x4:
+ case 0x5:
+ case 0x8:
+ case 0x9:
+ case 0xc:
+ case 0xd:
+ func (stream, "%s\t$f%c%d, $f%c%d, $f%c%d",
+ mnemonic_alu[mask_sub_op + dp_insn],
+ wd, rt, wd, ra, wd, rb);
+ return;
+ case 0x6:
+ case 0x7:
+ func (stream, "%s\t$f%c%d, $f%c%d, $fs%d",
+ mnemonic_alu[mask_sub_op + dp_insn],
+ wd, rt, wd, ra, rb);
+ return;
+ case 0xf:
+ if (dp)
+ {
+ wd = 'd';
+ dp_insn = 0x1d;
+ }
+ else
+ {
+ wd = 's';
+ dp_insn = 0;
+ }
+
+ switch (mask_f2op)
+ {
+ case 0x0:
+ if (dp)
+ func (stream, "%s\t$fs%d, $fd%d",
+ mnemonic_fpu_2op[mask_f2op + dp_insn], rt, ra);
+ else
+ func (stream, "%s\t$fd%d, $fs%d",
+ mnemonic_fpu_2op[mask_f2op + dp_insn], rt, ra);
+ return;
+ case 0x1:
+ case 0x5:
+ func (stream, "%s\t$f%c%d, $f%c%d",
+ mnemonic_fpu_2op[mask_f2op + dp_insn], wd, rt, wd, ra);
+ return;
+ case 0x8:
+ case 0xc:
+ func (stream, "%s\t$f%c%d, $fs%d",
+ mnemonic_fpu_2op[mask_f2op + dp_insn], wd, rt, ra);
+ return;
+ case 0x10:
+ case 0x14:
+ case 0x18:
+ case 0x1c:
+ func (stream, "%s\t$fs%d, $f%c%d",
+ mnemonic_fpu_2op[mask_f2op + dp_insn], rt, wd, ra);
+ return;
+ }
+ }
+ case 0x1: /* mfcp */
+ switch (mask_sub_op)
+ {
+ case 0x0:
+ func (stream, "fmfsr\t%s, $fs%d", gpr_map[rt], ra);
+ return;
+ case 0x1:
+ func (stream, "fmfdr\t%s, $fd%d", gpr_map[rt], ra);
+ return;
+ case 0xc:
+ if (mask_cfg)
+ func (stream, "fmfcsr\t%s", gpr_map[rt]);
+ else
+ func (stream, "fmfcfg\t%s", gpr_map[rt]);
+ return;
+ }
+ case 0x2: /* fls */
+ if (mask_bi)
+ func (stream, "fls.bi\t$fs%d, [%s], (%s << %d)",
+ rt, gpr_map[ra], gpr_map[rb], sv);
+ else
+ func (stream, "fls\t$fs%d, [%s + (%s << %d)]",
+ rt, gpr_map[ra], gpr_map[rb], sv);
+ return;
+ case 0x3: /* fld */
+ if (mask_bi)
+ func (stream, "fld.bi\t$fd%d, [%s], (%s << %d)",
+ rt, gpr_map[ra], gpr_map[rb], sv);
+ else
+ func (stream, "fld\t$fd%d, [%s + (%s << %d)]",
+ rt, gpr_map[ra], gpr_map[rb], sv);
+ return;
+ case 0x4: /* fs2 */
+ func (stream, "%s\t$fs%d, $fs%d, $fs%d",
+ mnemonic_fs2_cmp[mask_sub_op], rt, ra, rb);
+ return;
+ case 0x9: /* mtcp */
+ switch (mask_sub_op)
+ {
+ case 0x0:
+ func (stream, "fmtsr\t%s, $fs%d", gpr_map[rt], ra);
+ return;
+ case 0x1:
+ func (stream, "fmtdr\t%s, $fd%d", gpr_map[rt], ra);
+ return;
+ case 0xc:
+ func (stream, "fmtcsr\t%s", gpr_map[rt]);
+ return;
+ }
+ case 0xa: /* fss */
+ if (mask_bi)
+ func (stream, "fss.bi\t$fs%d, [%s], (%s << %d)",
+ rt, gpr_map[ra], gpr_map[rb], sv);
+ else
+ func (stream, "fss\t$fs%d, [%s + (%s << %d)]",
+ rt, gpr_map[ra], gpr_map[rb], sv);
+ return;
+ case 0xb: /* fsd */
+ if (mask_bi)
+ func (stream, "fsd.bi\t$fd%d, [%s], (%s << %d)",
+ rt, gpr_map[ra], gpr_map[rb], sv);
+ else
+ func (stream, "fsd\t$fd%d, [%s + (%s << %d)]",
+ rt, gpr_map[ra], gpr_map[rb], sv);
+ return;
+ case 0xc: /* fd2 */
+ func (stream, "%s\t$fs%d, $fd%d, $fd%d",
+ mnemonic_fd2_cmp[mask_sub_op], rt, ra, rb);
+ return;
+ }
+}
+
+static void
+print_insn32 (bfd_vma pc, disassemble_info *info, uint32_t insn)
+{
+ int op = OP6 (insn);
+ const int rt = RT5 (insn);
+ const int ra = RA5 (insn);
+ const int rb = RB5 (insn);
+ const int imm15s = IMMS (insn, 15);
+ const int imm15u = IMMU (insn, 15);
+ uint32_t shift;
+ fprintf_ftype func = info->fprintf_func;
+ void *stream = info->stream;
+
+ switch (op)
+ {
+ case 0x0: /* lbi */
+ case 0x1: /* lhi */
+ case 0x2: /* lwi */
+ case 0x3: /* ldi */
+ case 0x8: /* sbi */
+ case 0x9: /* shi */
+ case 0xa: /* swi */
+ case 0xb: /* sdi */
+ case 0x10: /* lbsi */
+ case 0x11: /* lhsi */
+ case 0x12: /* lwsi */
+ shift = op & 0x3;
+ func (stream, "%s\t%s, [%s + #%d]",
+ mnemonic_op6[op], gpr_map[rt], gpr_map[ra], imm15s << shift);
+ return;
+ case 0x4: /* lbi.bi */
+ case 0x5: /* lhi.bi */
+ case 0x6: /* lwi.bi */
+ case 0x7: /* ldi.bi */
+ case 0xc: /* sbi.bi */
+ case 0xd: /* shi.bi */
+ case 0xe: /* swi.bi */
+ case 0xf: /* sdi.bi */
+ case 0x14: /* lbsi.bi */
+ case 0x15: /* lhsi.bi */
+ case 0x16: /* lwsi.bi */
+ shift = op & 0x3;
+ func (stream, "%s\t%s, [%s], #%d",
+ mnemonic_op6[op], gpr_map[rt], gpr_map[ra], imm15s << shift);
+ return;
+ case 0x13: /* dprefi */
+ {
+ const char *subtype = "???";
+ char wd = 'w';
+
+ shift = 2;
+
+ /* d-bit */
+ if (rt & 0x10)
+ {
+ wd = 'd';
+ shift = 3;
+ }
+
+ if ((rt & 0xf) < ARRAY_SIZE (keyword_dpref))
+ subtype = keyword_dpref[rt & 0xf];
+
+ func (stream, "%s.%c\t%s, [%s + #%d]",
+ mnemonic_op6[op], wd, subtype, gpr_map[ra], imm15s << shift);
+ }
+ return;
+ case 0x17: /* LBGP */
+ func (stream, "%s\t%s, [+ %d]",
+ ((insn & __BIT (19)) ? "lbsi.gp" : "lbi.gp"),
+ gpr_map[rt], IMMS (insn, 19));
+ return;
+ case 0x18: /* LWC */
+ case 0x19: /* SWC */
+ case 0x1a: /* LDC */
+ case 0x1b: /* SDC */
+ if (__GF (insn, 13, 2) == 0)
+ {
+ char ls = (op & 1) ? 's' : 'l';
+ char wd = (op & 2) ? 'd' : 's';
+
+ if (insn & __BIT (12))
+ {
+ func (stream, "f%c%ci.bi\t$f%c%d, [%s], %d", ls, wd,
+ wd, rt, gpr_map[ra], IMMS (insn, 12) << 2);
+ }
+ else
+ {
+ func (stream, "f%c%ci\t$f%c%d, [%s + %d]", ls, wd,
+ wd, rt, gpr_map[ra], IMMS (insn, 12) << 2);
+ }
+ }
+ else
+ {
+ char ls = (op & 1) ? 's' : 'l';
+ char wd = (op & 2) ? 'd' : 'w';
+ int cp = __GF (insn, 13, 2);
+
+ if (insn & __BIT (12))
+ {
+ func (stream, "cp%c%ci\tcp%d, $cpr%d, [%s], %d", ls, wd,
+ cp, rt, gpr_map[ra], IMMS (insn, 12) << 2);
+ }
+ else
+ {
+ func (stream, "cp%c%ci\tcp%d, $cpr%d, [%s + %d]", ls, wd,
+ cp, rt, gpr_map[ra], IMMS (insn, 12) << 2);
+ }
+ }
+ return;
+ case 0x1c: /* MEM */
+ print_insn32_mem (pc, info, insn);
+ return;
+ case 0x1d: /* LSMW */
+ {
+ int enb4 = __GF (insn, 6, 4);
+ char ls = (insn & __BIT (5)) ? 's' : 'l';
+ char ab = (insn & __BIT (4)) ? 'a' : 'b';
+ char *di = (insn & __BIT (3)) ? "d" : "i";
+ char *m = (insn & __BIT (2)) ? "m" : "";
+ static const char *s[] = {"", "a", "zb", "?"};
+
+ /* lsmwzb only always increase. */
+ if ((insn & 0x3) == 2)
+ di = "";
+
+ func (stream, "%cmw%s.%c%s%s\t%s, [%s], %s, 0x%x",
+ ls, s[insn & 0x3], ab, di, m, gpr_map[rt],
+ gpr_map[ra], gpr_map[rb], enb4);
+ }
+ return;
+ case 0x1e: /* HWGP */
+ op = __GF (insn, 17, 3);
+ switch (op)
+ {
+ case 0: case 1: /* lhi.gp */
+ case 2: case 3: /* lhsi.gp */
+ case 4: case 5: /* shi.gp */
+ func (stream, "%s\t%s, [+ %d]",
+ mnemonic_hwgp[op], gpr_map[rt], IMMS (insn, 18) << 1);
+ return;
+ case 6: /* lwi.gp */
+ case 7: /* swi.gp */
+ func (stream, "%s\t%s, [+ %d]",
+ mnemonic_hwgp[op], gpr_map[rt], IMMS (insn, 17) << 2);
+ return;
+ }
+ return;
+ case 0x1f: /* SBGP */
+ if (insn & __BIT (19))
+ func (stream, "addi.gp\t%s, %d",
+ gpr_map[rt], IMMS (insn, 19));
+ else
+ func (stream, "sbi.gp\t%s, [+ %d]",
+ gpr_map[rt], IMMS (insn, 19));
+ return;
+ case 0x20: /* ALU_1 */
+ print_insn32_alu1 (pc, info, insn);
+ return;
+ case 0x21: /* ALU_2 */
+ print_insn32_alu2 (pc, info, insn);
+ return;
+ case 0x22: /* movi */
+ func (stream, "movi\t%s, %d", gpr_map[rt], IMMS (insn, 20));
+ return;
+ case 0x23: /* sethi */
+ func (stream, "sethi\t%s, 0x%x", gpr_map[rt], IMMU (insn, 20));
+ return;
+ case 0x24: /* ji, jal */
+ /* FIXME: Handle relocation. */
+ if (info->flags & INSN_HAS_RELOC)
+ pc = 0;
+ func (stream, "%s\t", ((insn & __BIT (24)) ? "jal" : "j"));
+ info->print_address_func ((IMMS (insn, 24) << 1) + pc, info);
+ return;
+ case 0x25: /* jreg */
+ print_insn32_jreg (pc, info, insn);
+ return;
+ case 0x26: /* br1 */
+ func (stream, "%s\t%s, %s, ", ((insn & __BIT (14)) ? "bne" : "beq"),
+ gpr_map[rt], gpr_map[ra]);
+ info->print_address_func ((IMMS (insn, 14) << 1) + pc, info);
+ return;
+ case 0x27: /* br2 */
+ func (stream, "%s\t%s, ", mnemonic_br2[__GF (insn, 16, 4)],
+ gpr_map[rt]);
+ info->print_address_func ((IMMS (insn, 16) << 1) + pc, info);
+ return;
+ case 0x28: /* addi */
+ case 0x2e: /* slti */
+ case 0x2f: /* sltsi */
+ case 0x29: /* subri */
+ func (stream, "%s\t%s, %s, %d",
+ mnemonic_op6[op], gpr_map[rt], gpr_map[ra], imm15s);
+ return;
+ case 0x2a: /* andi */
+ case 0x2b: /* xori */
+ case 0x2c: /* ori */
+ case 0x33: /* bitci */
+ func (stream, "%s\t%s, %s, %d",
+ mnemonic_op6[op], gpr_map[rt], gpr_map[ra], imm15u);
+ return;
+ case 0x2d: /* br3, beqc, bnec */
+ func (stream, "%s\t%s, %d, ", ((insn & __BIT (19)) ? "bnec" : "beqc"),
+ gpr_map[rt], __SEXT (__GF (insn, 8, 11), 11));
+ info->print_address_func ((IMMS (insn, 8) << 1) + pc, info);
+ return;
+ case 0x32: /* misc */
+ print_insn32_misc (pc, info, insn);
+ return;
+ case 0x35: /* FPU */
+ print_insn32_fpu (pc, info, insn);
+ return;
+ }
+}
+
+int
+print_insn_nds32 (bfd_vma pc, disassemble_info *info)
+{
+ int status;
+ bfd_byte buf[4];
+ uint32_t insn;
+
+ status = info->read_memory_func (pc, (bfd_byte *) buf, 2, info);
+ if (status)
+ return -1;
+
+ /* 16-bit instruction. */
+ if (buf[0] & 0x80)
+ {
+ insn = bfd_getb16 (buf);
+ print_insn16 (pc, info, insn);
+ return 2;
+ }
+
+ /* 32-bit instructions. */
+ status = info->read_memory_func (pc + 2, (bfd_byte *) buf + 2, 2, info);
+ if (status)
+ return -1;
+
+ insn = bfd_getb32 (buf);
+ print_insn32 (pc, info, insn);
+
+ return 4;
+}