diff options
author | Kuan-Lin Chen <kuanlinchentw@gmail.com> | 2013-12-13 11:52:32 +0000 |
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committer | Nick Clifton <nickc@redhat.com> | 2013-12-13 11:52:32 +0000 |
commit | 35c081572f32263b24554ae40502fb5b51ece8c6 (patch) | |
tree | 800c0d49d0635671e8e28c56635702212c6f7fc1 /opcodes/nds32-dis.c | |
parent | 8a48ac9579f34efea9bc4f2d5b02230e2ac3dfc1 (diff) | |
download | gdb-35c081572f32263b24554ae40502fb5b51ece8c6.zip gdb-35c081572f32263b24554ae40502fb5b51ece8c6.tar.gz gdb-35c081572f32263b24554ae40502fb5b51ece8c6.tar.bz2 |
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.c | 1196 |
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; +} |