bfin-dis.c 131 KB

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  1. /* Disassemble ADI Blackfin Instructions.
  2. Copyright (C) 2005-2017 Free Software Foundation, Inc.
  3. This file is part of libopcodes.
  4. This library is free software; you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation; either version 3, or (at your option)
  7. any later version.
  8. It is distributed in the hope that it will be useful, but WITHOUT
  9. ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  10. or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
  11. License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with this program; if not, write to the Free Software
  14. Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  15. MA 02110-1301, USA. */
  16. #include "sysdep.h"
  17. #include <stdio.h>
  18. #include "opcode/bfin.h"
  19. #ifndef PRINTF
  20. #define PRINTF printf
  21. #endif
  22. #ifndef EXIT
  23. #define EXIT exit
  24. #endif
  25. typedef long TIword;
  26. #define HOST_LONG_WORD_SIZE (sizeof (long) * 8)
  27. #define XFIELD(w,p,s) (((w) & ((1 << (s)) - 1) << (p)) >> (p))
  28. #define SIGNEXTEND(v, n) ((v << (HOST_LONG_WORD_SIZE - (n))) >> (HOST_LONG_WORD_SIZE - (n)))
  29. #define MASKBITS(val, bits) (val & ((1 << bits) - 1))
  30. #include "disassemble.h"
  31. typedef unsigned int bu32;
  32. struct private
  33. {
  34. TIword iw0;
  35. bfd_boolean comment, parallel;
  36. };
  37. typedef enum
  38. {
  39. c_0, c_1, c_4, c_2, c_uimm2, c_uimm3, c_imm3, c_pcrel4,
  40. c_imm4, c_uimm4s4, c_uimm4s4d, c_uimm4, c_uimm4s2, c_negimm5s4, c_imm5, c_imm5d, c_uimm5, c_imm6,
  41. c_imm7, c_imm7d, c_imm8, c_uimm8, c_pcrel8, c_uimm8s4, c_pcrel8s4, c_lppcrel10, c_pcrel10,
  42. c_pcrel12, c_imm16s4, c_luimm16, c_imm16, c_imm16d, c_huimm16, c_rimm16, c_imm16s2, c_uimm16s4,
  43. c_uimm16s4d, c_uimm16, c_pcrel24, c_uimm32, c_imm32, c_huimm32, c_huimm32e,
  44. } const_forms_t;
  45. static const struct
  46. {
  47. const char *name;
  48. const int nbits;
  49. const char reloc;
  50. const char issigned;
  51. const char pcrel;
  52. const char scale;
  53. const char offset;
  54. const char negative;
  55. const char positive;
  56. const char decimal;
  57. const char leading;
  58. const char exact;
  59. } constant_formats[] =
  60. {
  61. { "0", 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0},
  62. { "1", 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0},
  63. { "4", 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0},
  64. { "2", 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0},
  65. { "uimm2", 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
  66. { "uimm3", 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
  67. { "imm3", 3, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0},
  68. { "pcrel4", 4, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0},
  69. { "imm4", 4, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0},
  70. { "uimm4s4", 4, 0, 0, 0, 2, 0, 0, 1, 0, 0, 0},
  71. { "uimm4s4d", 4, 0, 0, 0, 2, 0, 0, 1, 1, 0, 0},
  72. { "uimm4", 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
  73. { "uimm4s2", 4, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0},
  74. { "negimm5s4", 5, 0, 1, 0, 2, 0, 1, 0, 0, 0, 0},
  75. { "imm5", 5, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0},
  76. { "imm5d", 5, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0},
  77. { "uimm5", 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
  78. { "imm6", 6, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0},
  79. { "imm7", 7, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0},
  80. { "imm7d", 7, 0, 1, 0, 0, 0, 0, 0, 1, 3, 0},
  81. { "imm8", 8, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0},
  82. { "uimm8", 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
  83. { "pcrel8", 8, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0},
  84. { "uimm8s4", 8, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0},
  85. { "pcrel8s4", 8, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0},
  86. { "lppcrel10", 10, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0},
  87. { "pcrel10", 10, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0},
  88. { "pcrel12", 12, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0},
  89. { "imm16s4", 16, 0, 1, 0, 2, 0, 0, 0, 0, 0, 0},
  90. { "luimm16", 16, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0},
  91. { "imm16", 16, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0},
  92. { "imm16d", 16, 0, 1, 0, 0, 0, 0, 0, 1, 3, 0},
  93. { "huimm16", 16, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0},
  94. { "rimm16", 16, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0},
  95. { "imm16s2", 16, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0},
  96. { "uimm16s4", 16, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0},
  97. { "uimm16s4d", 16, 0, 0, 0, 2, 0, 0, 0, 1, 0, 0},
  98. { "uimm16", 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
  99. { "pcrel24", 24, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0},
  100. { "uimm32", 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
  101. { "imm32", 32, 0, 1, 0, 0, 0, 0, 0, 1, 3, 0},
  102. { "huimm32", 32, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0},
  103. { "huimm32e", 32, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1},
  104. };
  105. static const char *
  106. fmtconst (const_forms_t cf, TIword x, bfd_vma pc, disassemble_info *outf)
  107. {
  108. static char buf[60];
  109. if (constant_formats[cf].reloc)
  110. {
  111. bfd_vma ea = (((constant_formats[cf].pcrel ? SIGNEXTEND (x, constant_formats[cf].nbits)
  112. : x) + constant_formats[cf].offset) << constant_formats[cf].scale);
  113. if (constant_formats[cf].pcrel)
  114. ea += pc;
  115. /* truncate to 32-bits for proper symbol lookup/matching */
  116. ea = (bu32)ea;
  117. if (outf->symbol_at_address_func (ea, outf) || !constant_formats[cf].exact)
  118. {
  119. outf->print_address_func (ea, outf);
  120. return "";
  121. }
  122. else
  123. {
  124. sprintf (buf, "%lx", (unsigned long) x);
  125. return buf;
  126. }
  127. }
  128. /* Negative constants have an implied sign bit. */
  129. if (constant_formats[cf].negative)
  130. {
  131. int nb = constant_formats[cf].nbits + 1;
  132. x = x | (1 << constant_formats[cf].nbits);
  133. x = SIGNEXTEND (x, nb);
  134. }
  135. else
  136. x = constant_formats[cf].issigned ? SIGNEXTEND (x, constant_formats[cf].nbits) : x;
  137. if (constant_formats[cf].offset)
  138. x += constant_formats[cf].offset;
  139. if (constant_formats[cf].scale)
  140. x <<= constant_formats[cf].scale;
  141. if (constant_formats[cf].decimal)
  142. sprintf (buf, "%*li", constant_formats[cf].leading, x);
  143. else
  144. {
  145. if (constant_formats[cf].issigned && x < 0)
  146. sprintf (buf, "-0x%lx", (unsigned long)(- x));
  147. else
  148. sprintf (buf, "0x%lx", (unsigned long) x);
  149. }
  150. return buf;
  151. }
  152. static bu32
  153. fmtconst_val (const_forms_t cf, unsigned int x, unsigned int pc)
  154. {
  155. if (0 && constant_formats[cf].reloc)
  156. {
  157. bu32 ea = (((constant_formats[cf].pcrel
  158. ? SIGNEXTEND (x, constant_formats[cf].nbits)
  159. : x) + constant_formats[cf].offset)
  160. << constant_formats[cf].scale);
  161. if (constant_formats[cf].pcrel)
  162. ea += pc;
  163. return ea;
  164. }
  165. /* Negative constants have an implied sign bit. */
  166. if (constant_formats[cf].negative)
  167. {
  168. int nb = constant_formats[cf].nbits + 1;
  169. x = x | (1 << constant_formats[cf].nbits);
  170. x = SIGNEXTEND (x, nb);
  171. }
  172. else if (constant_formats[cf].issigned)
  173. x = SIGNEXTEND (x, constant_formats[cf].nbits);
  174. x += constant_formats[cf].offset;
  175. x <<= constant_formats[cf].scale;
  176. return x;
  177. }
  178. enum machine_registers
  179. {
  180. REG_RL0, REG_RL1, REG_RL2, REG_RL3, REG_RL4, REG_RL5, REG_RL6, REG_RL7,
  181. REG_RH0, REG_RH1, REG_RH2, REG_RH3, REG_RH4, REG_RH5, REG_RH6, REG_RH7,
  182. REG_R0, REG_R1, REG_R2, REG_R3, REG_R4, REG_R5, REG_R6, REG_R7,
  183. REG_R1_0, REG_R3_2, REG_R5_4, REG_R7_6, REG_P0, REG_P1, REG_P2, REG_P3,
  184. REG_P4, REG_P5, REG_SP, REG_FP, REG_A0x, REG_A1x, REG_A0w, REG_A1w,
  185. REG_A0, REG_A1, REG_I0, REG_I1, REG_I2, REG_I3, REG_M0, REG_M1,
  186. REG_M2, REG_M3, REG_B0, REG_B1, REG_B2, REG_B3, REG_L0, REG_L1,
  187. REG_L2, REG_L3,
  188. REG_AZ, REG_AN, REG_AC0, REG_AC1, REG_AV0, REG_AV1, REG_AV0S, REG_AV1S,
  189. REG_AQ, REG_V, REG_VS,
  190. REG_sftreset, REG_omode, REG_excause, REG_emucause, REG_idle_req, REG_hwerrcause, REG_CC, REG_LC0,
  191. REG_LC1, REG_ASTAT, REG_RETS, REG_LT0, REG_LB0, REG_LT1, REG_LB1,
  192. REG_CYCLES, REG_CYCLES2, REG_USP, REG_SEQSTAT, REG_SYSCFG, REG_RETI, REG_RETX, REG_RETN,
  193. REG_RETE, REG_EMUDAT, REG_BR0, REG_BR1, REG_BR2, REG_BR3, REG_BR4, REG_BR5, REG_BR6,
  194. REG_BR7, REG_PL0, REG_PL1, REG_PL2, REG_PL3, REG_PL4, REG_PL5, REG_SLP, REG_FLP,
  195. REG_PH0, REG_PH1, REG_PH2, REG_PH3, REG_PH4, REG_PH5, REG_SHP, REG_FHP,
  196. REG_IL0, REG_IL1, REG_IL2, REG_IL3, REG_ML0, REG_ML1, REG_ML2, REG_ML3,
  197. REG_BL0, REG_BL1, REG_BL2, REG_BL3, REG_LL0, REG_LL1, REG_LL2, REG_LL3,
  198. REG_IH0, REG_IH1, REG_IH2, REG_IH3, REG_MH0, REG_MH1, REG_MH2, REG_MH3,
  199. REG_BH0, REG_BH1, REG_BH2, REG_BH3, REG_LH0, REG_LH1, REG_LH2, REG_LH3,
  200. REG_AC0_COPY, REG_V_COPY, REG_RND_MOD,
  201. REG_LASTREG,
  202. };
  203. enum reg_class
  204. {
  205. rc_dregs_lo, rc_dregs_hi, rc_dregs, rc_dregs_pair, rc_pregs, rc_spfp, rc_dregs_hilo, rc_accum_ext,
  206. rc_accum_word, rc_accum, rc_iregs, rc_mregs, rc_bregs, rc_lregs, rc_dpregs, rc_gregs,
  207. rc_regs, rc_statbits, rc_ignore_bits, rc_ccstat, rc_counters, rc_dregs2_sysregs1, rc_open, rc_sysregs2,
  208. rc_sysregs3, rc_allregs,
  209. LIM_REG_CLASSES
  210. };
  211. static const char * const reg_names[] =
  212. {
  213. "R0.L", "R1.L", "R2.L", "R3.L", "R4.L", "R5.L", "R6.L", "R7.L",
  214. "R0.H", "R1.H", "R2.H", "R3.H", "R4.H", "R5.H", "R6.H", "R7.H",
  215. "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
  216. "R1:0", "R3:2", "R5:4", "R7:6", "P0", "P1", "P2", "P3",
  217. "P4", "P5", "SP", "FP", "A0.X", "A1.X", "A0.W", "A1.W",
  218. "A0", "A1", "I0", "I1", "I2", "I3", "M0", "M1",
  219. "M2", "M3", "B0", "B1", "B2", "B3", "L0", "L1",
  220. "L2", "L3",
  221. "AZ", "AN", "AC0", "AC1", "AV0", "AV1", "AV0S", "AV1S",
  222. "AQ", "V", "VS",
  223. "sftreset", "omode", "excause", "emucause", "idle_req", "hwerrcause", "CC", "LC0",
  224. "LC1", "ASTAT", "RETS", "LT0", "LB0", "LT1", "LB1",
  225. "CYCLES", "CYCLES2", "USP", "SEQSTAT", "SYSCFG", "RETI", "RETX", "RETN",
  226. "RETE", "EMUDAT",
  227. "R0.B", "R1.B", "R2.B", "R3.B", "R4.B", "R5.B", "R6.B", "R7.B",
  228. "P0.L", "P1.L", "P2.L", "P3.L", "P4.L", "P5.L", "SP.L", "FP.L",
  229. "P0.H", "P1.H", "P2.H", "P3.H", "P4.H", "P5.H", "SP.H", "FP.H",
  230. "I0.L", "I1.L", "I2.L", "I3.L", "M0.L", "M1.L", "M2.L", "M3.L",
  231. "B0.L", "B1.L", "B2.L", "B3.L", "L0.L", "L1.L", "L2.L", "L3.L",
  232. "I0.H", "I1.H", "I2.H", "I3.H", "M0.H", "M1.H", "M2.H", "M3.H",
  233. "B0.H", "B1.H", "B2.H", "B3.H", "L0.H", "L1.H", "L2.H", "L3.H",
  234. "AC0_COPY", "V_COPY", "RND_MOD",
  235. "LASTREG",
  236. 0
  237. };
  238. #define REGNAME(x) ((x) < REG_LASTREG ? (reg_names[x]) : "...... Illegal register .......")
  239. /* RL(0..7). */
  240. static const enum machine_registers decode_dregs_lo[] =
  241. {
  242. REG_RL0, REG_RL1, REG_RL2, REG_RL3, REG_RL4, REG_RL5, REG_RL6, REG_RL7,
  243. };
  244. #define dregs_lo(x) REGNAME (decode_dregs_lo[(x) & 7])
  245. /* RH(0..7). */
  246. static const enum machine_registers decode_dregs_hi[] =
  247. {
  248. REG_RH0, REG_RH1, REG_RH2, REG_RH3, REG_RH4, REG_RH5, REG_RH6, REG_RH7,
  249. };
  250. #define dregs_hi(x) REGNAME (decode_dregs_hi[(x) & 7])
  251. /* R(0..7). */
  252. static const enum machine_registers decode_dregs[] =
  253. {
  254. REG_R0, REG_R1, REG_R2, REG_R3, REG_R4, REG_R5, REG_R6, REG_R7,
  255. };
  256. #define dregs(x) REGNAME (decode_dregs[(x) & 7])
  257. /* R BYTE(0..7). */
  258. static const enum machine_registers decode_dregs_byte[] =
  259. {
  260. REG_BR0, REG_BR1, REG_BR2, REG_BR3, REG_BR4, REG_BR5, REG_BR6, REG_BR7,
  261. };
  262. #define dregs_byte(x) REGNAME (decode_dregs_byte[(x) & 7])
  263. /* P(0..5) SP FP. */
  264. static const enum machine_registers decode_pregs[] =
  265. {
  266. REG_P0, REG_P1, REG_P2, REG_P3, REG_P4, REG_P5, REG_SP, REG_FP,
  267. };
  268. #define pregs(x) REGNAME (decode_pregs[(x) & 7])
  269. #define spfp(x) REGNAME (decode_spfp[(x) & 1])
  270. #define dregs_hilo(x, i) REGNAME (decode_dregs_hilo[((i) << 3) | (x)])
  271. #define accum_ext(x) REGNAME (decode_accum_ext[(x) & 1])
  272. #define accum_word(x) REGNAME (decode_accum_word[(x) & 1])
  273. #define accum(x) REGNAME (decode_accum[(x) & 1])
  274. /* I(0..3). */
  275. static const enum machine_registers decode_iregs[] =
  276. {
  277. REG_I0, REG_I1, REG_I2, REG_I3,
  278. };
  279. #define iregs(x) REGNAME (decode_iregs[(x) & 3])
  280. /* M(0..3). */
  281. static const enum machine_registers decode_mregs[] =
  282. {
  283. REG_M0, REG_M1, REG_M2, REG_M3,
  284. };
  285. #define mregs(x) REGNAME (decode_mregs[(x) & 3])
  286. #define bregs(x) REGNAME (decode_bregs[(x) & 3])
  287. #define lregs(x) REGNAME (decode_lregs[(x) & 3])
  288. /* dregs pregs. */
  289. static const enum machine_registers decode_dpregs[] =
  290. {
  291. REG_R0, REG_R1, REG_R2, REG_R3, REG_R4, REG_R5, REG_R6, REG_R7,
  292. REG_P0, REG_P1, REG_P2, REG_P3, REG_P4, REG_P5, REG_SP, REG_FP,
  293. };
  294. #define dpregs(x) REGNAME (decode_dpregs[(x) & 15])
  295. /* [dregs pregs]. */
  296. static const enum machine_registers decode_gregs[] =
  297. {
  298. REG_R0, REG_R1, REG_R2, REG_R3, REG_R4, REG_R5, REG_R6, REG_R7,
  299. REG_P0, REG_P1, REG_P2, REG_P3, REG_P4, REG_P5, REG_SP, REG_FP,
  300. };
  301. #define gregs(x, i) REGNAME (decode_gregs[(((i) << 3) | (x)) & 15])
  302. /* [dregs pregs (iregs mregs) (bregs lregs)]. */
  303. static const enum machine_registers decode_regs[] =
  304. {
  305. REG_R0, REG_R1, REG_R2, REG_R3, REG_R4, REG_R5, REG_R6, REG_R7,
  306. REG_P0, REG_P1, REG_P2, REG_P3, REG_P4, REG_P5, REG_SP, REG_FP,
  307. REG_I0, REG_I1, REG_I2, REG_I3, REG_M0, REG_M1, REG_M2, REG_M3,
  308. REG_B0, REG_B1, REG_B2, REG_B3, REG_L0, REG_L1, REG_L2, REG_L3,
  309. };
  310. #define regs(x, i) REGNAME (decode_regs[(((i) << 3) | (x)) & 31])
  311. /* [dregs pregs (iregs mregs) (bregs lregs) Low Half]. */
  312. static const enum machine_registers decode_regs_lo[] =
  313. {
  314. REG_RL0, REG_RL1, REG_RL2, REG_RL3, REG_RL4, REG_RL5, REG_RL6, REG_RL7,
  315. REG_PL0, REG_PL1, REG_PL2, REG_PL3, REG_PL4, REG_PL5, REG_SLP, REG_FLP,
  316. REG_IL0, REG_IL1, REG_IL2, REG_IL3, REG_ML0, REG_ML1, REG_ML2, REG_ML3,
  317. REG_BL0, REG_BL1, REG_BL2, REG_BL3, REG_LL0, REG_LL1, REG_LL2, REG_LL3,
  318. };
  319. #define regs_lo(x, i) REGNAME (decode_regs_lo[(((i) << 3) | (x)) & 31])
  320. /* [dregs pregs (iregs mregs) (bregs lregs) High Half]. */
  321. static const enum machine_registers decode_regs_hi[] =
  322. {
  323. REG_RH0, REG_RH1, REG_RH2, REG_RH3, REG_RH4, REG_RH5, REG_RH6, REG_RH7,
  324. REG_PH0, REG_PH1, REG_PH2, REG_PH3, REG_PH4, REG_PH5, REG_SHP, REG_FHP,
  325. REG_IH0, REG_IH1, REG_IH2, REG_IH3, REG_MH0, REG_MH1, REG_MH2, REG_MH3,
  326. REG_BH0, REG_BH1, REG_BH2, REG_BH3, REG_LH0, REG_LH1, REG_LH2, REG_LH3,
  327. };
  328. #define regs_hi(x, i) REGNAME (decode_regs_hi[(((i) << 3) | (x)) & 31])
  329. static const enum machine_registers decode_statbits[] =
  330. {
  331. REG_AZ, REG_AN, REG_AC0_COPY, REG_V_COPY,
  332. REG_LASTREG, REG_LASTREG, REG_AQ, REG_LASTREG,
  333. REG_RND_MOD, REG_LASTREG, REG_LASTREG, REG_LASTREG,
  334. REG_AC0, REG_AC1, REG_LASTREG, REG_LASTREG,
  335. REG_AV0, REG_AV0S, REG_AV1, REG_AV1S,
  336. REG_LASTREG, REG_LASTREG, REG_LASTREG, REG_LASTREG,
  337. REG_V, REG_VS, REG_LASTREG, REG_LASTREG,
  338. REG_LASTREG, REG_LASTREG, REG_LASTREG, REG_LASTREG,
  339. };
  340. #define statbits(x) REGNAME (decode_statbits[(x) & 31])
  341. /* LC0 LC1. */
  342. static const enum machine_registers decode_counters[] =
  343. {
  344. REG_LC0, REG_LC1,
  345. };
  346. #define counters(x) REGNAME (decode_counters[(x) & 1])
  347. #define dregs2_sysregs1(x) REGNAME (decode_dregs2_sysregs1[(x) & 7])
  348. /* [dregs pregs (iregs mregs) (bregs lregs)
  349. dregs2_sysregs1 open sysregs2 sysregs3]. */
  350. static const enum machine_registers decode_allregs[] =
  351. {
  352. REG_R0, REG_R1, REG_R2, REG_R3, REG_R4, REG_R5, REG_R6, REG_R7,
  353. REG_P0, REG_P1, REG_P2, REG_P3, REG_P4, REG_P5, REG_SP, REG_FP,
  354. REG_I0, REG_I1, REG_I2, REG_I3, REG_M0, REG_M1, REG_M2, REG_M3,
  355. REG_B0, REG_B1, REG_B2, REG_B3, REG_L0, REG_L1, REG_L2, REG_L3,
  356. REG_A0x, REG_A0w, REG_A1x, REG_A1w, REG_LASTREG, REG_LASTREG, REG_ASTAT, REG_RETS,
  357. REG_LASTREG, REG_LASTREG, REG_LASTREG, REG_LASTREG, REG_LASTREG, REG_LASTREG, REG_LASTREG, REG_LASTREG,
  358. REG_LC0, REG_LT0, REG_LB0, REG_LC1, REG_LT1, REG_LB1, REG_CYCLES, REG_CYCLES2,
  359. REG_USP, REG_SEQSTAT, REG_SYSCFG, REG_RETI, REG_RETX, REG_RETN, REG_RETE, REG_EMUDAT,
  360. REG_LASTREG,
  361. };
  362. #define IS_DREG(g,r) ((g) == 0 && (r) < 8)
  363. #define IS_PREG(g,r) ((g) == 1 && (r) < 8)
  364. #define IS_AREG(g,r) ((g) == 4 && (r) >= 0 && (r) < 4)
  365. #define IS_GENREG(g,r) ((((g) == 0 || (g) == 1) && (r) < 8) || IS_AREG (g, r))
  366. #define IS_DAGREG(g,r) (((g) == 2 || (g) == 3) && (r) < 8)
  367. #define IS_SYSREG(g,r) \
  368. (((g) == 4 && ((r) == 6 || (r) == 7)) || (g) == 6 || (g) == 7)
  369. #define IS_RESERVEDREG(g,r) \
  370. (((r) > 7) || ((g) == 4 && ((r) == 4 || (r) == 5)) || (g) == 5)
  371. #define allreg(r,g) (!IS_RESERVEDREG (g, r))
  372. #define mostreg(r,g) (!(IS_DREG (g, r) || IS_PREG (g, r) || IS_RESERVEDREG (g, r)))
  373. #define allregs(x, i) REGNAME (decode_allregs[((i) << 3) | (x)])
  374. #define uimm16s4(x) fmtconst (c_uimm16s4, x, 0, outf)
  375. #define uimm16s4d(x) fmtconst (c_uimm16s4d, x, 0, outf)
  376. #define pcrel4(x) fmtconst (c_pcrel4, x, pc, outf)
  377. #define pcrel8(x) fmtconst (c_pcrel8, x, pc, outf)
  378. #define pcrel8s4(x) fmtconst (c_pcrel8s4, x, pc, outf)
  379. #define pcrel10(x) fmtconst (c_pcrel10, x, pc, outf)
  380. #define pcrel12(x) fmtconst (c_pcrel12, x, pc, outf)
  381. #define negimm5s4(x) fmtconst (c_negimm5s4, x, 0, outf)
  382. #define rimm16(x) fmtconst (c_rimm16, x, 0, outf)
  383. #define huimm16(x) fmtconst (c_huimm16, x, 0, outf)
  384. #define imm16(x) fmtconst (c_imm16, x, 0, outf)
  385. #define imm16d(x) fmtconst (c_imm16d, x, 0, outf)
  386. #define uimm2(x) fmtconst (c_uimm2, x, 0, outf)
  387. #define uimm3(x) fmtconst (c_uimm3, x, 0, outf)
  388. #define luimm16(x) fmtconst (c_luimm16, x, 0, outf)
  389. #define uimm4(x) fmtconst (c_uimm4, x, 0, outf)
  390. #define uimm5(x) fmtconst (c_uimm5, x, 0, outf)
  391. #define imm16s2(x) fmtconst (c_imm16s2, x, 0, outf)
  392. #define uimm8(x) fmtconst (c_uimm8, x, 0, outf)
  393. #define imm16s4(x) fmtconst (c_imm16s4, x, 0, outf)
  394. #define uimm4s2(x) fmtconst (c_uimm4s2, x, 0, outf)
  395. #define uimm4s4(x) fmtconst (c_uimm4s4, x, 0, outf)
  396. #define uimm4s4d(x) fmtconst (c_uimm4s4d, x, 0, outf)
  397. #define lppcrel10(x) fmtconst (c_lppcrel10, x, pc, outf)
  398. #define imm3(x) fmtconst (c_imm3, x, 0, outf)
  399. #define imm4(x) fmtconst (c_imm4, x, 0, outf)
  400. #define uimm8s4(x) fmtconst (c_uimm8s4, x, 0, outf)
  401. #define imm5(x) fmtconst (c_imm5, x, 0, outf)
  402. #define imm5d(x) fmtconst (c_imm5d, x, 0, outf)
  403. #define imm6(x) fmtconst (c_imm6, x, 0, outf)
  404. #define imm7(x) fmtconst (c_imm7, x, 0, outf)
  405. #define imm7d(x) fmtconst (c_imm7d, x, 0, outf)
  406. #define imm8(x) fmtconst (c_imm8, x, 0, outf)
  407. #define pcrel24(x) fmtconst (c_pcrel24, x, pc, outf)
  408. #define uimm16(x) fmtconst (c_uimm16, x, 0, outf)
  409. #define uimm32(x) fmtconst (c_uimm32, x, 0, outf)
  410. #define imm32(x) fmtconst (c_imm32, x, 0, outf)
  411. #define huimm32(x) fmtconst (c_huimm32, x, 0, outf)
  412. #define huimm32e(x) fmtconst (c_huimm32e, x, 0, outf)
  413. #define imm7_val(x) fmtconst_val (c_imm7, x, 0)
  414. #define imm16_val(x) fmtconst_val (c_uimm16, x, 0)
  415. #define luimm16_val(x) fmtconst_val (c_luimm16, x, 0)
  416. /* (arch.pm)arch_disassembler_functions. */
  417. #ifndef OUTS
  418. #define OUTS(p, txt) (p)->fprintf_func ((p)->stream, "%s", txt)
  419. #endif
  420. #define OUT(p, txt, ...) (p)->fprintf_func ((p)->stream, txt, ## __VA_ARGS__)
  421. static void
  422. amod0 (int s0, int x0, disassemble_info *outf)
  423. {
  424. if (s0 == 1 && x0 == 0)
  425. OUTS (outf, " (S)");
  426. else if (s0 == 0 && x0 == 1)
  427. OUTS (outf, " (CO)");
  428. else if (s0 == 1 && x0 == 1)
  429. OUTS (outf, " (SCO)");
  430. }
  431. static void
  432. amod1 (int s0, int x0, disassemble_info *outf)
  433. {
  434. if (s0 == 0 && x0 == 0)
  435. OUTS (outf, " (NS)");
  436. else if (s0 == 1 && x0 == 0)
  437. OUTS (outf, " (S)");
  438. }
  439. static void
  440. amod0amod2 (int s0, int x0, int aop0, disassemble_info *outf)
  441. {
  442. if (s0 == 1 && x0 == 0 && aop0 == 0)
  443. OUTS (outf, " (S)");
  444. else if (s0 == 0 && x0 == 1 && aop0 == 0)
  445. OUTS (outf, " (CO)");
  446. else if (s0 == 1 && x0 == 1 && aop0 == 0)
  447. OUTS (outf, " (SCO)");
  448. else if (s0 == 0 && x0 == 0 && aop0 == 2)
  449. OUTS (outf, " (ASR)");
  450. else if (s0 == 1 && x0 == 0 && aop0 == 2)
  451. OUTS (outf, " (S, ASR)");
  452. else if (s0 == 0 && x0 == 1 && aop0 == 2)
  453. OUTS (outf, " (CO, ASR)");
  454. else if (s0 == 1 && x0 == 1 && aop0 == 2)
  455. OUTS (outf, " (SCO, ASR)");
  456. else if (s0 == 0 && x0 == 0 && aop0 == 3)
  457. OUTS (outf, " (ASL)");
  458. else if (s0 == 1 && x0 == 0 && aop0 == 3)
  459. OUTS (outf, " (S, ASL)");
  460. else if (s0 == 0 && x0 == 1 && aop0 == 3)
  461. OUTS (outf, " (CO, ASL)");
  462. else if (s0 == 1 && x0 == 1 && aop0 == 3)
  463. OUTS (outf, " (SCO, ASL)");
  464. }
  465. static void
  466. searchmod (int r0, disassemble_info *outf)
  467. {
  468. if (r0 == 0)
  469. OUTS (outf, "GT");
  470. else if (r0 == 1)
  471. OUTS (outf, "GE");
  472. else if (r0 == 2)
  473. OUTS (outf, "LT");
  474. else if (r0 == 3)
  475. OUTS (outf, "LE");
  476. }
  477. static void
  478. aligndir (int r0, disassemble_info *outf)
  479. {
  480. if (r0 == 1)
  481. OUTS (outf, " (R)");
  482. }
  483. static int
  484. decode_multfunc (int h0, int h1, int src0, int src1, disassemble_info *outf)
  485. {
  486. const char *s0, *s1;
  487. if (h0)
  488. s0 = dregs_hi (src0);
  489. else
  490. s0 = dregs_lo (src0);
  491. if (h1)
  492. s1 = dregs_hi (src1);
  493. else
  494. s1 = dregs_lo (src1);
  495. OUTS (outf, s0);
  496. OUTS (outf, " * ");
  497. OUTS (outf, s1);
  498. return 0;
  499. }
  500. static int
  501. decode_macfunc (int which, int op, int h0, int h1, int src0, int src1, disassemble_info *outf)
  502. {
  503. const char *a;
  504. const char *sop = "<unknown op>";
  505. if (which)
  506. a = "A1";
  507. else
  508. a = "A0";
  509. if (op == 3)
  510. {
  511. OUTS (outf, a);
  512. return 0;
  513. }
  514. switch (op)
  515. {
  516. case 0: sop = " = "; break;
  517. case 1: sop = " += "; break;
  518. case 2: sop = " -= "; break;
  519. default: break;
  520. }
  521. OUTS (outf, a);
  522. OUTS (outf, sop);
  523. decode_multfunc (h0, h1, src0, src1, outf);
  524. return 0;
  525. }
  526. static void
  527. decode_optmode (int mod, int MM, disassemble_info *outf)
  528. {
  529. if (mod == 0 && MM == 0)
  530. return;
  531. OUTS (outf, " (");
  532. if (MM && !mod)
  533. {
  534. OUTS (outf, "M)");
  535. return;
  536. }
  537. if (MM)
  538. OUTS (outf, "M, ");
  539. if (mod == M_S2RND)
  540. OUTS (outf, "S2RND");
  541. else if (mod == M_T)
  542. OUTS (outf, "T");
  543. else if (mod == M_W32)
  544. OUTS (outf, "W32");
  545. else if (mod == M_FU)
  546. OUTS (outf, "FU");
  547. else if (mod == M_TFU)
  548. OUTS (outf, "TFU");
  549. else if (mod == M_IS)
  550. OUTS (outf, "IS");
  551. else if (mod == M_ISS2)
  552. OUTS (outf, "ISS2");
  553. else if (mod == M_IH)
  554. OUTS (outf, "IH");
  555. else if (mod == M_IU)
  556. OUTS (outf, "IU");
  557. else
  558. abort ();
  559. OUTS (outf, ")");
  560. }
  561. static struct saved_state
  562. {
  563. bu32 dpregs[16], iregs[4], mregs[4], bregs[4], lregs[4];
  564. bu32 ax[2], aw[2];
  565. bu32 lt[2], lc[2], lb[2];
  566. bu32 rets;
  567. } saved_state;
  568. #define DREG(x) (saved_state.dpregs[x])
  569. #define GREG(x, i) DPREG ((x) | ((i) << 3))
  570. #define DPREG(x) (saved_state.dpregs[x])
  571. #define DREG(x) (saved_state.dpregs[x])
  572. #define PREG(x) (saved_state.dpregs[(x) + 8])
  573. #define SPREG PREG (6)
  574. #define FPREG PREG (7)
  575. #define IREG(x) (saved_state.iregs[x])
  576. #define MREG(x) (saved_state.mregs[x])
  577. #define BREG(x) (saved_state.bregs[x])
  578. #define LREG(x) (saved_state.lregs[x])
  579. #define AXREG(x) (saved_state.ax[x])
  580. #define AWREG(x) (saved_state.aw[x])
  581. #define LCREG(x) (saved_state.lc[x])
  582. #define LTREG(x) (saved_state.lt[x])
  583. #define LBREG(x) (saved_state.lb[x])
  584. #define RETSREG (saved_state.rets)
  585. static bu32 *
  586. get_allreg (int grp, int reg)
  587. {
  588. int fullreg = (grp << 3) | reg;
  589. /* REG_R0, REG_R1, REG_R2, REG_R3, REG_R4, REG_R5, REG_R6, REG_R7,
  590. REG_P0, REG_P1, REG_P2, REG_P3, REG_P4, REG_P5, REG_SP, REG_FP,
  591. REG_I0, REG_I1, REG_I2, REG_I3, REG_M0, REG_M1, REG_M2, REG_M3,
  592. REG_B0, REG_B1, REG_B2, REG_B3, REG_L0, REG_L1, REG_L2, REG_L3,
  593. REG_A0x, REG_A0w, REG_A1x, REG_A1w, , , REG_ASTAT, REG_RETS,
  594. , , , , , , , ,
  595. REG_LC0, REG_LT0, REG_LB0, REG_LC1, REG_LT1, REG_LB1, REG_CYCLES,
  596. REG_CYCLES2,
  597. REG_USP, REG_SEQSTAT, REG_SYSCFG, REG_RETI, REG_RETX, REG_RETN, REG_RETE,
  598. REG_LASTREG */
  599. switch (fullreg >> 2)
  600. {
  601. case 0: case 1: return &DREG (reg);
  602. case 2: case 3: return &PREG (reg);
  603. case 4: return &IREG (reg & 3);
  604. case 5: return &MREG (reg & 3);
  605. case 6: return &BREG (reg & 3);
  606. case 7: return &LREG (reg & 3);
  607. default:
  608. switch (fullreg)
  609. {
  610. case 32: return &AXREG (0);
  611. case 33: return &AWREG (0);
  612. case 34: return &AXREG (1);
  613. case 35: return &AWREG (1);
  614. case 39: return &RETSREG;
  615. case 48: return &LCREG (0);
  616. case 49: return &LTREG (0);
  617. case 50: return &LBREG (0);
  618. case 51: return &LCREG (1);
  619. case 52: return &LTREG (1);
  620. case 53: return &LBREG (1);
  621. }
  622. }
  623. abort ();
  624. }
  625. static int
  626. decode_ProgCtrl_0 (TIword iw0, disassemble_info *outf)
  627. {
  628. struct private *priv = outf->private_data;
  629. /* ProgCtrl
  630. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  631. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |.prgfunc.......|.poprnd........|
  632. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  633. int poprnd = ((iw0 >> ProgCtrl_poprnd_bits) & ProgCtrl_poprnd_mask);
  634. int prgfunc = ((iw0 >> ProgCtrl_prgfunc_bits) & ProgCtrl_prgfunc_mask);
  635. if (prgfunc == 0 && poprnd == 0)
  636. OUTS (outf, "NOP");
  637. else if (priv->parallel)
  638. return 0;
  639. else if (prgfunc == 1 && poprnd == 0)
  640. OUTS (outf, "RTS");
  641. else if (prgfunc == 1 && poprnd == 1)
  642. OUTS (outf, "RTI");
  643. else if (prgfunc == 1 && poprnd == 2)
  644. OUTS (outf, "RTX");
  645. else if (prgfunc == 1 && poprnd == 3)
  646. OUTS (outf, "RTN");
  647. else if (prgfunc == 1 && poprnd == 4)
  648. OUTS (outf, "RTE");
  649. else if (prgfunc == 2 && poprnd == 0)
  650. OUTS (outf, "IDLE");
  651. else if (prgfunc == 2 && poprnd == 3)
  652. OUTS (outf, "CSYNC");
  653. else if (prgfunc == 2 && poprnd == 4)
  654. OUTS (outf, "SSYNC");
  655. else if (prgfunc == 2 && poprnd == 5)
  656. OUTS (outf, "EMUEXCPT");
  657. else if (prgfunc == 3 && IS_DREG (0, poprnd))
  658. {
  659. OUTS (outf, "CLI ");
  660. OUTS (outf, dregs (poprnd));
  661. }
  662. else if (prgfunc == 4 && IS_DREG (0, poprnd))
  663. {
  664. OUTS (outf, "STI ");
  665. OUTS (outf, dregs (poprnd));
  666. }
  667. else if (prgfunc == 5 && IS_PREG (1, poprnd))
  668. {
  669. OUTS (outf, "JUMP (");
  670. OUTS (outf, pregs (poprnd));
  671. OUTS (outf, ")");
  672. }
  673. else if (prgfunc == 6 && IS_PREG (1, poprnd))
  674. {
  675. OUTS (outf, "CALL (");
  676. OUTS (outf, pregs (poprnd));
  677. OUTS (outf, ")");
  678. }
  679. else if (prgfunc == 7 && IS_PREG (1, poprnd))
  680. {
  681. OUTS (outf, "CALL (PC + ");
  682. OUTS (outf, pregs (poprnd));
  683. OUTS (outf, ")");
  684. }
  685. else if (prgfunc == 8 && IS_PREG (1, poprnd))
  686. {
  687. OUTS (outf, "JUMP (PC + ");
  688. OUTS (outf, pregs (poprnd));
  689. OUTS (outf, ")");
  690. }
  691. else if (prgfunc == 9)
  692. {
  693. OUTS (outf, "RAISE ");
  694. OUTS (outf, uimm4 (poprnd));
  695. }
  696. else if (prgfunc == 10)
  697. {
  698. OUTS (outf, "EXCPT ");
  699. OUTS (outf, uimm4 (poprnd));
  700. }
  701. else if (prgfunc == 11 && IS_PREG (1, poprnd) && poprnd <= 5)
  702. {
  703. OUTS (outf, "TESTSET (");
  704. OUTS (outf, pregs (poprnd));
  705. OUTS (outf, ")");
  706. }
  707. else
  708. return 0;
  709. return 2;
  710. }
  711. static int
  712. decode_CaCTRL_0 (TIword iw0, disassemble_info *outf)
  713. {
  714. struct private *priv = outf->private_data;
  715. /* CaCTRL
  716. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  717. | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |.a.|.op....|.reg.......|
  718. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  719. int a = ((iw0 >> CaCTRL_a_bits) & CaCTRL_a_mask);
  720. int op = ((iw0 >> CaCTRL_op_bits) & CaCTRL_op_mask);
  721. int reg = ((iw0 >> CaCTRL_reg_bits) & CaCTRL_reg_mask);
  722. if (priv->parallel)
  723. return 0;
  724. if (a == 0 && op == 0)
  725. {
  726. OUTS (outf, "PREFETCH[");
  727. OUTS (outf, pregs (reg));
  728. OUTS (outf, "]");
  729. }
  730. else if (a == 0 && op == 1)
  731. {
  732. OUTS (outf, "FLUSHINV[");
  733. OUTS (outf, pregs (reg));
  734. OUTS (outf, "]");
  735. }
  736. else if (a == 0 && op == 2)
  737. {
  738. OUTS (outf, "FLUSH[");
  739. OUTS (outf, pregs (reg));
  740. OUTS (outf, "]");
  741. }
  742. else if (a == 0 && op == 3)
  743. {
  744. OUTS (outf, "IFLUSH[");
  745. OUTS (outf, pregs (reg));
  746. OUTS (outf, "]");
  747. }
  748. else if (a == 1 && op == 0)
  749. {
  750. OUTS (outf, "PREFETCH[");
  751. OUTS (outf, pregs (reg));
  752. OUTS (outf, "++]");
  753. }
  754. else if (a == 1 && op == 1)
  755. {
  756. OUTS (outf, "FLUSHINV[");
  757. OUTS (outf, pregs (reg));
  758. OUTS (outf, "++]");
  759. }
  760. else if (a == 1 && op == 2)
  761. {
  762. OUTS (outf, "FLUSH[");
  763. OUTS (outf, pregs (reg));
  764. OUTS (outf, "++]");
  765. }
  766. else if (a == 1 && op == 3)
  767. {
  768. OUTS (outf, "IFLUSH[");
  769. OUTS (outf, pregs (reg));
  770. OUTS (outf, "++]");
  771. }
  772. else
  773. return 0;
  774. return 2;
  775. }
  776. static int
  777. decode_PushPopReg_0 (TIword iw0, disassemble_info *outf)
  778. {
  779. struct private *priv = outf->private_data;
  780. /* PushPopReg
  781. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  782. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |.W.|.grp.......|.reg.......|
  783. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  784. int W = ((iw0 >> PushPopReg_W_bits) & PushPopReg_W_mask);
  785. int grp = ((iw0 >> PushPopReg_grp_bits) & PushPopReg_grp_mask);
  786. int reg = ((iw0 >> PushPopReg_reg_bits) & PushPopReg_reg_mask);
  787. if (priv->parallel)
  788. return 0;
  789. if (W == 0 && mostreg (reg, grp))
  790. {
  791. OUTS (outf, allregs (reg, grp));
  792. OUTS (outf, " = [SP++]");
  793. }
  794. else if (W == 1 && allreg (reg, grp) && !(grp == 1 && reg == 6))
  795. {
  796. OUTS (outf, "[--SP] = ");
  797. OUTS (outf, allregs (reg, grp));
  798. }
  799. else
  800. return 0;
  801. return 2;
  802. }
  803. static int
  804. decode_PushPopMultiple_0 (TIword iw0, disassemble_info *outf)
  805. {
  806. struct private *priv = outf->private_data;
  807. /* PushPopMultiple
  808. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  809. | 0 | 0 | 0 | 0 | 0 | 1 | 0 |.d.|.p.|.W.|.dr........|.pr........|
  810. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  811. int p = ((iw0 >> PushPopMultiple_p_bits) & PushPopMultiple_p_mask);
  812. int d = ((iw0 >> PushPopMultiple_d_bits) & PushPopMultiple_d_mask);
  813. int W = ((iw0 >> PushPopMultiple_W_bits) & PushPopMultiple_W_mask);
  814. int dr = ((iw0 >> PushPopMultiple_dr_bits) & PushPopMultiple_dr_mask);
  815. int pr = ((iw0 >> PushPopMultiple_pr_bits) & PushPopMultiple_pr_mask);
  816. if (priv->parallel)
  817. return 0;
  818. if (pr > 5)
  819. return 0;
  820. if (W == 1 && d == 1 && p == 1)
  821. {
  822. OUTS (outf, "[--SP] = (R7:");
  823. OUTS (outf, imm5d (dr));
  824. OUTS (outf, ", P5:");
  825. OUTS (outf, imm5d (pr));
  826. OUTS (outf, ")");
  827. }
  828. else if (W == 1 && d == 1 && p == 0 && pr == 0)
  829. {
  830. OUTS (outf, "[--SP] = (R7:");
  831. OUTS (outf, imm5d (dr));
  832. OUTS (outf, ")");
  833. }
  834. else if (W == 1 && d == 0 && p == 1 && dr == 0)
  835. {
  836. OUTS (outf, "[--SP] = (P5:");
  837. OUTS (outf, imm5d (pr));
  838. OUTS (outf, ")");
  839. }
  840. else if (W == 0 && d == 1 && p == 1)
  841. {
  842. OUTS (outf, "(R7:");
  843. OUTS (outf, imm5d (dr));
  844. OUTS (outf, ", P5:");
  845. OUTS (outf, imm5d (pr));
  846. OUTS (outf, ") = [SP++]");
  847. }
  848. else if (W == 0 && d == 1 && p == 0 && pr == 0)
  849. {
  850. OUTS (outf, "(R7:");
  851. OUTS (outf, imm5d (dr));
  852. OUTS (outf, ") = [SP++]");
  853. }
  854. else if (W == 0 && d == 0 && p == 1 && dr == 0)
  855. {
  856. OUTS (outf, "(P5:");
  857. OUTS (outf, imm5d (pr));
  858. OUTS (outf, ") = [SP++]");
  859. }
  860. else
  861. return 0;
  862. return 2;
  863. }
  864. static int
  865. decode_ccMV_0 (TIword iw0, disassemble_info *outf)
  866. {
  867. struct private *priv = outf->private_data;
  868. /* ccMV
  869. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  870. | 0 | 0 | 0 | 0 | 0 | 1 | 1 |.T.|.d.|.s.|.dst.......|.src.......|
  871. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  872. int s = ((iw0 >> CCmv_s_bits) & CCmv_s_mask);
  873. int d = ((iw0 >> CCmv_d_bits) & CCmv_d_mask);
  874. int T = ((iw0 >> CCmv_T_bits) & CCmv_T_mask);
  875. int src = ((iw0 >> CCmv_src_bits) & CCmv_src_mask);
  876. int dst = ((iw0 >> CCmv_dst_bits) & CCmv_dst_mask);
  877. if (priv->parallel)
  878. return 0;
  879. if (T == 1)
  880. {
  881. OUTS (outf, "IF CC ");
  882. OUTS (outf, gregs (dst, d));
  883. OUTS (outf, " = ");
  884. OUTS (outf, gregs (src, s));
  885. }
  886. else if (T == 0)
  887. {
  888. OUTS (outf, "IF !CC ");
  889. OUTS (outf, gregs (dst, d));
  890. OUTS (outf, " = ");
  891. OUTS (outf, gregs (src, s));
  892. }
  893. else
  894. return 0;
  895. return 2;
  896. }
  897. static int
  898. decode_CCflag_0 (TIword iw0, disassemble_info *outf)
  899. {
  900. struct private *priv = outf->private_data;
  901. /* CCflag
  902. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  903. | 0 | 0 | 0 | 0 | 1 |.I.|.opc.......|.G.|.y.........|.x.........|
  904. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  905. int x = ((iw0 >> CCflag_x_bits) & CCflag_x_mask);
  906. int y = ((iw0 >> CCflag_y_bits) & CCflag_y_mask);
  907. int I = ((iw0 >> CCflag_I_bits) & CCflag_I_mask);
  908. int G = ((iw0 >> CCflag_G_bits) & CCflag_G_mask);
  909. int opc = ((iw0 >> CCflag_opc_bits) & CCflag_opc_mask);
  910. if (priv->parallel)
  911. return 0;
  912. if (opc == 0 && I == 0 && G == 0)
  913. {
  914. OUTS (outf, "CC = ");
  915. OUTS (outf, dregs (x));
  916. OUTS (outf, " == ");
  917. OUTS (outf, dregs (y));
  918. }
  919. else if (opc == 1 && I == 0 && G == 0)
  920. {
  921. OUTS (outf, "CC = ");
  922. OUTS (outf, dregs (x));
  923. OUTS (outf, " < ");
  924. OUTS (outf, dregs (y));
  925. }
  926. else if (opc == 2 && I == 0 && G == 0)
  927. {
  928. OUTS (outf, "CC = ");
  929. OUTS (outf, dregs (x));
  930. OUTS (outf, " <= ");
  931. OUTS (outf, dregs (y));
  932. }
  933. else if (opc == 3 && I == 0 && G == 0)
  934. {
  935. OUTS (outf, "CC = ");
  936. OUTS (outf, dregs (x));
  937. OUTS (outf, " < ");
  938. OUTS (outf, dregs (y));
  939. OUTS (outf, " (IU)");
  940. }
  941. else if (opc == 4 && I == 0 && G == 0)
  942. {
  943. OUTS (outf, "CC = ");
  944. OUTS (outf, dregs (x));
  945. OUTS (outf, " <= ");
  946. OUTS (outf, dregs (y));
  947. OUTS (outf, " (IU)");
  948. }
  949. else if (opc == 0 && I == 1 && G == 0)
  950. {
  951. OUTS (outf, "CC = ");
  952. OUTS (outf, dregs (x));
  953. OUTS (outf, " == ");
  954. OUTS (outf, imm3 (y));
  955. }
  956. else if (opc == 1 && I == 1 && G == 0)
  957. {
  958. OUTS (outf, "CC = ");
  959. OUTS (outf, dregs (x));
  960. OUTS (outf, " < ");
  961. OUTS (outf, imm3 (y));
  962. }
  963. else if (opc == 2 && I == 1 && G == 0)
  964. {
  965. OUTS (outf, "CC = ");
  966. OUTS (outf, dregs (x));
  967. OUTS (outf, " <= ");
  968. OUTS (outf, imm3 (y));
  969. }
  970. else if (opc == 3 && I == 1 && G == 0)
  971. {
  972. OUTS (outf, "CC = ");
  973. OUTS (outf, dregs (x));
  974. OUTS (outf, " < ");
  975. OUTS (outf, uimm3 (y));
  976. OUTS (outf, " (IU)");
  977. }
  978. else if (opc == 4 && I == 1 && G == 0)
  979. {
  980. OUTS (outf, "CC = ");
  981. OUTS (outf, dregs (x));
  982. OUTS (outf, " <= ");
  983. OUTS (outf, uimm3 (y));
  984. OUTS (outf, " (IU)");
  985. }
  986. else if (opc == 0 && I == 0 && G == 1)
  987. {
  988. OUTS (outf, "CC = ");
  989. OUTS (outf, pregs (x));
  990. OUTS (outf, " == ");
  991. OUTS (outf, pregs (y));
  992. }
  993. else if (opc == 1 && I == 0 && G == 1)
  994. {
  995. OUTS (outf, "CC = ");
  996. OUTS (outf, pregs (x));
  997. OUTS (outf, " < ");
  998. OUTS (outf, pregs (y));
  999. }
  1000. else if (opc == 2 && I == 0 && G == 1)
  1001. {
  1002. OUTS (outf, "CC = ");
  1003. OUTS (outf, pregs (x));
  1004. OUTS (outf, " <= ");
  1005. OUTS (outf, pregs (y));
  1006. }
  1007. else if (opc == 3 && I == 0 && G == 1)
  1008. {
  1009. OUTS (outf, "CC = ");
  1010. OUTS (outf, pregs (x));
  1011. OUTS (outf, " < ");
  1012. OUTS (outf, pregs (y));
  1013. OUTS (outf, " (IU)");
  1014. }
  1015. else if (opc == 4 && I == 0 && G == 1)
  1016. {
  1017. OUTS (outf, "CC = ");
  1018. OUTS (outf, pregs (x));
  1019. OUTS (outf, " <= ");
  1020. OUTS (outf, pregs (y));
  1021. OUTS (outf, " (IU)");
  1022. }
  1023. else if (opc == 0 && I == 1 && G == 1)
  1024. {
  1025. OUTS (outf, "CC = ");
  1026. OUTS (outf, pregs (x));
  1027. OUTS (outf, " == ");
  1028. OUTS (outf, imm3 (y));
  1029. }
  1030. else if (opc == 1 && I == 1 && G == 1)
  1031. {
  1032. OUTS (outf, "CC = ");
  1033. OUTS (outf, pregs (x));
  1034. OUTS (outf, " < ");
  1035. OUTS (outf, imm3 (y));
  1036. }
  1037. else if (opc == 2 && I == 1 && G == 1)
  1038. {
  1039. OUTS (outf, "CC = ");
  1040. OUTS (outf, pregs (x));
  1041. OUTS (outf, " <= ");
  1042. OUTS (outf, imm3 (y));
  1043. }
  1044. else if (opc == 3 && I == 1 && G == 1)
  1045. {
  1046. OUTS (outf, "CC = ");
  1047. OUTS (outf, pregs (x));
  1048. OUTS (outf, " < ");
  1049. OUTS (outf, uimm3 (y));
  1050. OUTS (outf, " (IU)");
  1051. }
  1052. else if (opc == 4 && I == 1 && G == 1)
  1053. {
  1054. OUTS (outf, "CC = ");
  1055. OUTS (outf, pregs (x));
  1056. OUTS (outf, " <= ");
  1057. OUTS (outf, uimm3 (y));
  1058. OUTS (outf, " (IU)");
  1059. }
  1060. else if (opc == 5 && I == 0 && G == 0 && x == 0 && y == 0)
  1061. OUTS (outf, "CC = A0 == A1");
  1062. else if (opc == 6 && I == 0 && G == 0 && x == 0 && y == 0)
  1063. OUTS (outf, "CC = A0 < A1");
  1064. else if (opc == 7 && I == 0 && G == 0 && x == 0 && y == 0)
  1065. OUTS (outf, "CC = A0 <= A1");
  1066. else
  1067. return 0;
  1068. return 2;
  1069. }
  1070. static int
  1071. decode_CC2dreg_0 (TIword iw0, disassemble_info *outf)
  1072. {
  1073. struct private *priv = outf->private_data;
  1074. /* CC2dreg
  1075. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  1076. | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |.op....|.reg.......|
  1077. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  1078. int op = ((iw0 >> CC2dreg_op_bits) & CC2dreg_op_mask);
  1079. int reg = ((iw0 >> CC2dreg_reg_bits) & CC2dreg_reg_mask);
  1080. if (priv->parallel)
  1081. return 0;
  1082. if (op == 0)
  1083. {
  1084. OUTS (outf, dregs (reg));
  1085. OUTS (outf, " = CC");
  1086. }
  1087. else if (op == 1)
  1088. {
  1089. OUTS (outf, "CC = ");
  1090. OUTS (outf, dregs (reg));
  1091. }
  1092. else if (op == 3 && reg == 0)
  1093. OUTS (outf, "CC = !CC");
  1094. else
  1095. return 0;
  1096. return 2;
  1097. }
  1098. static int
  1099. decode_CC2stat_0 (TIword iw0, disassemble_info *outf)
  1100. {
  1101. struct private *priv = outf->private_data;
  1102. /* CC2stat
  1103. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  1104. | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |.D.|.op....|.cbit..............|
  1105. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  1106. int D = ((iw0 >> CC2stat_D_bits) & CC2stat_D_mask);
  1107. int op = ((iw0 >> CC2stat_op_bits) & CC2stat_op_mask);
  1108. int cbit = ((iw0 >> CC2stat_cbit_bits) & CC2stat_cbit_mask);
  1109. const char *bitname = statbits (cbit);
  1110. const char * const op_names[] = { "", "|", "&", "^" } ;
  1111. if (priv->parallel)
  1112. return 0;
  1113. if (decode_statbits[cbit] == REG_LASTREG)
  1114. {
  1115. /* All ASTAT bits except CC may be operated on in hardware, but may
  1116. not have a dedicated insn, so still decode "valid" insns. */
  1117. static char bitnames[64];
  1118. if (cbit != 5)
  1119. sprintf (bitnames, "ASTAT[%i /* unused bit */]", cbit);
  1120. else
  1121. return 0;
  1122. bitname = bitnames;
  1123. }
  1124. if (D == 0)
  1125. OUT (outf, "CC %s= %s", op_names[op], bitname);
  1126. else
  1127. OUT (outf, "%s %s= CC", bitname, op_names[op]);
  1128. return 2;
  1129. }
  1130. static int
  1131. decode_BRCC_0 (TIword iw0, bfd_vma pc, disassemble_info *outf)
  1132. {
  1133. struct private *priv = outf->private_data;
  1134. /* BRCC
  1135. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  1136. | 0 | 0 | 0 | 1 |.T.|.B.|.offset................................|
  1137. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  1138. int B = ((iw0 >> BRCC_B_bits) & BRCC_B_mask);
  1139. int T = ((iw0 >> BRCC_T_bits) & BRCC_T_mask);
  1140. int offset = ((iw0 >> BRCC_offset_bits) & BRCC_offset_mask);
  1141. if (priv->parallel)
  1142. return 0;
  1143. if (T == 1 && B == 1)
  1144. {
  1145. OUTS (outf, "IF CC JUMP 0x");
  1146. OUTS (outf, pcrel10 (offset));
  1147. OUTS (outf, " (BP)");
  1148. }
  1149. else if (T == 0 && B == 1)
  1150. {
  1151. OUTS (outf, "IF !CC JUMP 0x");
  1152. OUTS (outf, pcrel10 (offset));
  1153. OUTS (outf, " (BP)");
  1154. }
  1155. else if (T == 1)
  1156. {
  1157. OUTS (outf, "IF CC JUMP 0x");
  1158. OUTS (outf, pcrel10 (offset));
  1159. }
  1160. else if (T == 0)
  1161. {
  1162. OUTS (outf, "IF !CC JUMP 0x");
  1163. OUTS (outf, pcrel10 (offset));
  1164. }
  1165. else
  1166. return 0;
  1167. return 2;
  1168. }
  1169. static int
  1170. decode_UJUMP_0 (TIword iw0, bfd_vma pc, disassemble_info *outf)
  1171. {
  1172. struct private *priv = outf->private_data;
  1173. /* UJUMP
  1174. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  1175. | 0 | 0 | 1 | 0 |.offset........................................|
  1176. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  1177. int offset = ((iw0 >> UJump_offset_bits) & UJump_offset_mask);
  1178. if (priv->parallel)
  1179. return 0;
  1180. OUTS (outf, "JUMP.S 0x");
  1181. OUTS (outf, pcrel12 (offset));
  1182. return 2;
  1183. }
  1184. static int
  1185. decode_REGMV_0 (TIword iw0, disassemble_info *outf)
  1186. {
  1187. /* REGMV
  1188. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  1189. | 0 | 0 | 1 | 1 |.gd........|.gs........|.dst.......|.src.......|
  1190. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  1191. int gs = ((iw0 >> RegMv_gs_bits) & RegMv_gs_mask);
  1192. int gd = ((iw0 >> RegMv_gd_bits) & RegMv_gd_mask);
  1193. int src = ((iw0 >> RegMv_src_bits) & RegMv_src_mask);
  1194. int dst = ((iw0 >> RegMv_dst_bits) & RegMv_dst_mask);
  1195. /* Reserved slots cannot be a src/dst. */
  1196. if (IS_RESERVEDREG (gs, src) || IS_RESERVEDREG (gd, dst))
  1197. goto invalid_move;
  1198. /* Standard register moves */
  1199. if ((gs < 2) || /* Dregs/Pregs as source */
  1200. (gd < 2) || /* Dregs/Pregs as dest */
  1201. (gs == 4 && src < 4) || /* Accumulators as source */
  1202. (gd == 4 && dst < 4 && (gs < 4)) || /* Accumulators as dest */
  1203. (gs == 7 && src == 7 && !(gd == 4 && dst < 4)) || /* EMUDAT as src */
  1204. (gd == 7 && dst == 7)) /* EMUDAT as dest */
  1205. goto valid_move;
  1206. /* dareg = dareg (IMBL) */
  1207. if (gs < 4 && gd < 4)
  1208. goto valid_move;
  1209. /* USP can be src to sysregs, but not dagregs. */
  1210. if ((gs == 7 && src == 0) && (gd >= 4))
  1211. goto valid_move;
  1212. /* USP can move between genregs (only check Accumulators). */
  1213. if (((gs == 7 && src == 0) && (gd == 4 && dst < 4)) ||
  1214. ((gd == 7 && dst == 0) && (gs == 4 && src < 4)))
  1215. goto valid_move;
  1216. /* Still here ? Invalid reg pair. */
  1217. invalid_move:
  1218. return 0;
  1219. valid_move:
  1220. OUTS (outf, allregs (dst, gd));
  1221. OUTS (outf, " = ");
  1222. OUTS (outf, allregs (src, gs));
  1223. return 2;
  1224. }
  1225. static int
  1226. decode_ALU2op_0 (TIword iw0, disassemble_info *outf)
  1227. {
  1228. /* ALU2op
  1229. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  1230. | 0 | 1 | 0 | 0 | 0 | 0 |.opc...........|.src.......|.dst.......|
  1231. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  1232. int src = ((iw0 >> ALU2op_src_bits) & ALU2op_src_mask);
  1233. int opc = ((iw0 >> ALU2op_opc_bits) & ALU2op_opc_mask);
  1234. int dst = ((iw0 >> ALU2op_dst_bits) & ALU2op_dst_mask);
  1235. if (opc == 0)
  1236. {
  1237. OUTS (outf, dregs (dst));
  1238. OUTS (outf, " >>>= ");
  1239. OUTS (outf, dregs (src));
  1240. }
  1241. else if (opc == 1)
  1242. {
  1243. OUTS (outf, dregs (dst));
  1244. OUTS (outf, " >>= ");
  1245. OUTS (outf, dregs (src));
  1246. }
  1247. else if (opc == 2)
  1248. {
  1249. OUTS (outf, dregs (dst));
  1250. OUTS (outf, " <<= ");
  1251. OUTS (outf, dregs (src));
  1252. }
  1253. else if (opc == 3)
  1254. {
  1255. OUTS (outf, dregs (dst));
  1256. OUTS (outf, " *= ");
  1257. OUTS (outf, dregs (src));
  1258. }
  1259. else if (opc == 4)
  1260. {
  1261. OUTS (outf, dregs (dst));
  1262. OUTS (outf, " = (");
  1263. OUTS (outf, dregs (dst));
  1264. OUTS (outf, " + ");
  1265. OUTS (outf, dregs (src));
  1266. OUTS (outf, ") << 0x1");
  1267. }
  1268. else if (opc == 5)
  1269. {
  1270. OUTS (outf, dregs (dst));
  1271. OUTS (outf, " = (");
  1272. OUTS (outf, dregs (dst));
  1273. OUTS (outf, " + ");
  1274. OUTS (outf, dregs (src));
  1275. OUTS (outf, ") << 0x2");
  1276. }
  1277. else if (opc == 8)
  1278. {
  1279. OUTS (outf, "DIVQ (");
  1280. OUTS (outf, dregs (dst));
  1281. OUTS (outf, ", ");
  1282. OUTS (outf, dregs (src));
  1283. OUTS (outf, ")");
  1284. }
  1285. else if (opc == 9)
  1286. {
  1287. OUTS (outf, "DIVS (");
  1288. OUTS (outf, dregs (dst));
  1289. OUTS (outf, ", ");
  1290. OUTS (outf, dregs (src));
  1291. OUTS (outf, ")");
  1292. }
  1293. else if (opc == 10)
  1294. {
  1295. OUTS (outf, dregs (dst));
  1296. OUTS (outf, " = ");
  1297. OUTS (outf, dregs_lo (src));
  1298. OUTS (outf, " (X)");
  1299. }
  1300. else if (opc == 11)
  1301. {
  1302. OUTS (outf, dregs (dst));
  1303. OUTS (outf, " = ");
  1304. OUTS (outf, dregs_lo (src));
  1305. OUTS (outf, " (Z)");
  1306. }
  1307. else if (opc == 12)
  1308. {
  1309. OUTS (outf, dregs (dst));
  1310. OUTS (outf, " = ");
  1311. OUTS (outf, dregs_byte (src));
  1312. OUTS (outf, " (X)");
  1313. }
  1314. else if (opc == 13)
  1315. {
  1316. OUTS (outf, dregs (dst));
  1317. OUTS (outf, " = ");
  1318. OUTS (outf, dregs_byte (src));
  1319. OUTS (outf, " (Z)");
  1320. }
  1321. else if (opc == 14)
  1322. {
  1323. OUTS (outf, dregs (dst));
  1324. OUTS (outf, " = -");
  1325. OUTS (outf, dregs (src));
  1326. }
  1327. else if (opc == 15)
  1328. {
  1329. OUTS (outf, dregs (dst));
  1330. OUTS (outf, " =~ ");
  1331. OUTS (outf, dregs (src));
  1332. }
  1333. else
  1334. return 0;
  1335. return 2;
  1336. }
  1337. static int
  1338. decode_PTR2op_0 (TIword iw0, disassemble_info *outf)
  1339. {
  1340. /* PTR2op
  1341. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  1342. | 0 | 1 | 0 | 0 | 0 | 1 | 0 |.opc.......|.src.......|.dst.......|
  1343. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  1344. int src = ((iw0 >> PTR2op_src_bits) & PTR2op_dst_mask);
  1345. int opc = ((iw0 >> PTR2op_opc_bits) & PTR2op_opc_mask);
  1346. int dst = ((iw0 >> PTR2op_dst_bits) & PTR2op_dst_mask);
  1347. if (opc == 0)
  1348. {
  1349. OUTS (outf, pregs (dst));
  1350. OUTS (outf, " -= ");
  1351. OUTS (outf, pregs (src));
  1352. }
  1353. else if (opc == 1)
  1354. {
  1355. OUTS (outf, pregs (dst));
  1356. OUTS (outf, " = ");
  1357. OUTS (outf, pregs (src));
  1358. OUTS (outf, " << 0x2");
  1359. }
  1360. else if (opc == 3)
  1361. {
  1362. OUTS (outf, pregs (dst));
  1363. OUTS (outf, " = ");
  1364. OUTS (outf, pregs (src));
  1365. OUTS (outf, " >> 0x2");
  1366. }
  1367. else if (opc == 4)
  1368. {
  1369. OUTS (outf, pregs (dst));
  1370. OUTS (outf, " = ");
  1371. OUTS (outf, pregs (src));
  1372. OUTS (outf, " >> 0x1");
  1373. }
  1374. else if (opc == 5)
  1375. {
  1376. OUTS (outf, pregs (dst));
  1377. OUTS (outf, " += ");
  1378. OUTS (outf, pregs (src));
  1379. OUTS (outf, " (BREV)");
  1380. }
  1381. else if (opc == 6)
  1382. {
  1383. OUTS (outf, pregs (dst));
  1384. OUTS (outf, " = (");
  1385. OUTS (outf, pregs (dst));
  1386. OUTS (outf, " + ");
  1387. OUTS (outf, pregs (src));
  1388. OUTS (outf, ") << 0x1");
  1389. }
  1390. else if (opc == 7)
  1391. {
  1392. OUTS (outf, pregs (dst));
  1393. OUTS (outf, " = (");
  1394. OUTS (outf, pregs (dst));
  1395. OUTS (outf, " + ");
  1396. OUTS (outf, pregs (src));
  1397. OUTS (outf, ") << 0x2");
  1398. }
  1399. else
  1400. return 0;
  1401. return 2;
  1402. }
  1403. static int
  1404. decode_LOGI2op_0 (TIword iw0, disassemble_info *outf)
  1405. {
  1406. struct private *priv = outf->private_data;
  1407. /* LOGI2op
  1408. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  1409. | 0 | 1 | 0 | 0 | 1 |.opc.......|.src...............|.dst.......|
  1410. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  1411. int src = ((iw0 >> LOGI2op_src_bits) & LOGI2op_src_mask);
  1412. int opc = ((iw0 >> LOGI2op_opc_bits) & LOGI2op_opc_mask);
  1413. int dst = ((iw0 >> LOGI2op_dst_bits) & LOGI2op_dst_mask);
  1414. if (priv->parallel)
  1415. return 0;
  1416. if (opc == 0)
  1417. {
  1418. OUTS (outf, "CC = !BITTST (");
  1419. OUTS (outf, dregs (dst));
  1420. OUTS (outf, ", ");
  1421. OUTS (outf, uimm5 (src));
  1422. OUTS (outf, ");\t\t/* bit");
  1423. OUTS (outf, imm7d (src));
  1424. OUTS (outf, " */");
  1425. priv->comment = TRUE;
  1426. }
  1427. else if (opc == 1)
  1428. {
  1429. OUTS (outf, "CC = BITTST (");
  1430. OUTS (outf, dregs (dst));
  1431. OUTS (outf, ", ");
  1432. OUTS (outf, uimm5 (src));
  1433. OUTS (outf, ");\t\t/* bit");
  1434. OUTS (outf, imm7d (src));
  1435. OUTS (outf, " */");
  1436. priv->comment = TRUE;
  1437. }
  1438. else if (opc == 2)
  1439. {
  1440. OUTS (outf, "BITSET (");
  1441. OUTS (outf, dregs (dst));
  1442. OUTS (outf, ", ");
  1443. OUTS (outf, uimm5 (src));
  1444. OUTS (outf, ");\t\t/* bit");
  1445. OUTS (outf, imm7d (src));
  1446. OUTS (outf, " */");
  1447. priv->comment = TRUE;
  1448. }
  1449. else if (opc == 3)
  1450. {
  1451. OUTS (outf, "BITTGL (");
  1452. OUTS (outf, dregs (dst));
  1453. OUTS (outf, ", ");
  1454. OUTS (outf, uimm5 (src));
  1455. OUTS (outf, ");\t\t/* bit");
  1456. OUTS (outf, imm7d (src));
  1457. OUTS (outf, " */");
  1458. priv->comment = TRUE;
  1459. }
  1460. else if (opc == 4)
  1461. {
  1462. OUTS (outf, "BITCLR (");
  1463. OUTS (outf, dregs (dst));
  1464. OUTS (outf, ", ");
  1465. OUTS (outf, uimm5 (src));
  1466. OUTS (outf, ");\t\t/* bit");
  1467. OUTS (outf, imm7d (src));
  1468. OUTS (outf, " */");
  1469. priv->comment = TRUE;
  1470. }
  1471. else if (opc == 5)
  1472. {
  1473. OUTS (outf, dregs (dst));
  1474. OUTS (outf, " >>>= ");
  1475. OUTS (outf, uimm5 (src));
  1476. }
  1477. else if (opc == 6)
  1478. {
  1479. OUTS (outf, dregs (dst));
  1480. OUTS (outf, " >>= ");
  1481. OUTS (outf, uimm5 (src));
  1482. }
  1483. else if (opc == 7)
  1484. {
  1485. OUTS (outf, dregs (dst));
  1486. OUTS (outf, " <<= ");
  1487. OUTS (outf, uimm5 (src));
  1488. }
  1489. else
  1490. return 0;
  1491. return 2;
  1492. }
  1493. static int
  1494. decode_COMP3op_0 (TIword iw0, disassemble_info *outf)
  1495. {
  1496. /* COMP3op
  1497. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  1498. | 0 | 1 | 0 | 1 |.opc.......|.dst.......|.src1......|.src0......|
  1499. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  1500. int opc = ((iw0 >> COMP3op_opc_bits) & COMP3op_opc_mask);
  1501. int dst = ((iw0 >> COMP3op_dst_bits) & COMP3op_dst_mask);
  1502. int src0 = ((iw0 >> COMP3op_src0_bits) & COMP3op_src0_mask);
  1503. int src1 = ((iw0 >> COMP3op_src1_bits) & COMP3op_src1_mask);
  1504. if (opc == 5 && src1 == src0)
  1505. {
  1506. OUTS (outf, pregs (dst));
  1507. OUTS (outf, " = ");
  1508. OUTS (outf, pregs (src0));
  1509. OUTS (outf, " << 0x1");
  1510. }
  1511. else if (opc == 1)
  1512. {
  1513. OUTS (outf, dregs (dst));
  1514. OUTS (outf, " = ");
  1515. OUTS (outf, dregs (src0));
  1516. OUTS (outf, " - ");
  1517. OUTS (outf, dregs (src1));
  1518. }
  1519. else if (opc == 2)
  1520. {
  1521. OUTS (outf, dregs (dst));
  1522. OUTS (outf, " = ");
  1523. OUTS (outf, dregs (src0));
  1524. OUTS (outf, " & ");
  1525. OUTS (outf, dregs (src1));
  1526. }
  1527. else if (opc == 3)
  1528. {
  1529. OUTS (outf, dregs (dst));
  1530. OUTS (outf, " = ");
  1531. OUTS (outf, dregs (src0));
  1532. OUTS (outf, " | ");
  1533. OUTS (outf, dregs (src1));
  1534. }
  1535. else if (opc == 4)
  1536. {
  1537. OUTS (outf, dregs (dst));
  1538. OUTS (outf, " = ");
  1539. OUTS (outf, dregs (src0));
  1540. OUTS (outf, " ^ ");
  1541. OUTS (outf, dregs (src1));
  1542. }
  1543. else if (opc == 5)
  1544. {
  1545. OUTS (outf, pregs (dst));
  1546. OUTS (outf, " = ");
  1547. OUTS (outf, pregs (src0));
  1548. OUTS (outf, " + ");
  1549. OUTS (outf, pregs (src1));
  1550. }
  1551. else if (opc == 6)
  1552. {
  1553. OUTS (outf, pregs (dst));
  1554. OUTS (outf, " = ");
  1555. OUTS (outf, pregs (src0));
  1556. OUTS (outf, " + (");
  1557. OUTS (outf, pregs (src1));
  1558. OUTS (outf, " << 0x1)");
  1559. }
  1560. else if (opc == 7)
  1561. {
  1562. OUTS (outf, pregs (dst));
  1563. OUTS (outf, " = ");
  1564. OUTS (outf, pregs (src0));
  1565. OUTS (outf, " + (");
  1566. OUTS (outf, pregs (src1));
  1567. OUTS (outf, " << 0x2)");
  1568. }
  1569. else if (opc == 0)
  1570. {
  1571. OUTS (outf, dregs (dst));
  1572. OUTS (outf, " = ");
  1573. OUTS (outf, dregs (src0));
  1574. OUTS (outf, " + ");
  1575. OUTS (outf, dregs (src1));
  1576. }
  1577. else
  1578. return 0;
  1579. return 2;
  1580. }
  1581. static int
  1582. decode_COMPI2opD_0 (TIword iw0, disassemble_info *outf)
  1583. {
  1584. struct private *priv = outf->private_data;
  1585. /* COMPI2opD
  1586. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  1587. | 0 | 1 | 1 | 0 | 0 |.op|..src......................|.dst.......|
  1588. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  1589. int op = ((iw0 >> COMPI2opD_op_bits) & COMPI2opD_op_mask);
  1590. int dst = ((iw0 >> COMPI2opD_dst_bits) & COMPI2opD_dst_mask);
  1591. int src = ((iw0 >> COMPI2opD_src_bits) & COMPI2opD_src_mask);
  1592. bu32 *pval = get_allreg (0, dst);
  1593. if (priv->parallel)
  1594. return 0;
  1595. /* Since we don't have 32-bit immediate loads, we allow the disassembler
  1596. to combine them, so it prints out the right values.
  1597. Here we keep track of the registers. */
  1598. if (op == 0)
  1599. {
  1600. *pval = imm7_val (src);
  1601. if (src & 0x40)
  1602. *pval |= 0xFFFFFF80;
  1603. else
  1604. *pval &= 0x7F;
  1605. }
  1606. if (op == 0)
  1607. {
  1608. OUTS (outf, dregs (dst));
  1609. OUTS (outf, " = ");
  1610. OUTS (outf, imm7 (src));
  1611. OUTS (outf, " (X);\t\t/*\t\t");
  1612. OUTS (outf, dregs (dst));
  1613. OUTS (outf, "=");
  1614. OUTS (outf, uimm32 (*pval));
  1615. OUTS (outf, "(");
  1616. OUTS (outf, imm32 (*pval));
  1617. OUTS (outf, ") */");
  1618. priv->comment = TRUE;
  1619. }
  1620. else if (op == 1)
  1621. {
  1622. OUTS (outf, dregs (dst));
  1623. OUTS (outf, " += ");
  1624. OUTS (outf, imm7 (src));
  1625. OUTS (outf, ";\t\t/* (");
  1626. OUTS (outf, imm7d (src));
  1627. OUTS (outf, ") */");
  1628. priv->comment = TRUE;
  1629. }
  1630. else
  1631. return 0;
  1632. return 2;
  1633. }
  1634. static int
  1635. decode_COMPI2opP_0 (TIword iw0, disassemble_info *outf)
  1636. {
  1637. struct private *priv = outf->private_data;
  1638. /* COMPI2opP
  1639. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  1640. | 0 | 1 | 1 | 0 | 1 |.op|.src.......................|.dst.......|
  1641. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  1642. int op = ((iw0 >> COMPI2opP_op_bits) & COMPI2opP_op_mask);
  1643. int src = ((iw0 >> COMPI2opP_src_bits) & COMPI2opP_src_mask);
  1644. int dst = ((iw0 >> COMPI2opP_dst_bits) & COMPI2opP_dst_mask);
  1645. bu32 *pval = get_allreg (1, dst);
  1646. if (priv->parallel)
  1647. return 0;
  1648. if (op == 0)
  1649. {
  1650. *pval = imm7_val (src);
  1651. if (src & 0x40)
  1652. *pval |= 0xFFFFFF80;
  1653. else
  1654. *pval &= 0x7F;
  1655. }
  1656. if (op == 0)
  1657. {
  1658. OUTS (outf, pregs (dst));
  1659. OUTS (outf, " = ");
  1660. OUTS (outf, imm7 (src));
  1661. OUTS (outf, " (X);\t\t/*\t\t");
  1662. OUTS (outf, pregs (dst));
  1663. OUTS (outf, "=");
  1664. OUTS (outf, uimm32 (*pval));
  1665. OUTS (outf, "(");
  1666. OUTS (outf, imm32 (*pval));
  1667. OUTS (outf, ") */");
  1668. priv->comment = TRUE;
  1669. }
  1670. else if (op == 1)
  1671. {
  1672. OUTS (outf, pregs (dst));
  1673. OUTS (outf, " += ");
  1674. OUTS (outf, imm7 (src));
  1675. OUTS (outf, ";\t\t/* (");
  1676. OUTS (outf, imm7d (src));
  1677. OUTS (outf, ") */");
  1678. priv->comment = TRUE;
  1679. }
  1680. else
  1681. return 0;
  1682. return 2;
  1683. }
  1684. static int
  1685. decode_LDSTpmod_0 (TIword iw0, disassemble_info *outf)
  1686. {
  1687. /* LDSTpmod
  1688. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  1689. | 1 | 0 | 0 | 0 |.W.|.aop...|.reg.......|.idx.......|.ptr.......|
  1690. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  1691. int W = ((iw0 >> LDSTpmod_W_bits) & LDSTpmod_W_mask);
  1692. int aop = ((iw0 >> LDSTpmod_aop_bits) & LDSTpmod_aop_mask);
  1693. int idx = ((iw0 >> LDSTpmod_idx_bits) & LDSTpmod_idx_mask);
  1694. int ptr = ((iw0 >> LDSTpmod_ptr_bits) & LDSTpmod_ptr_mask);
  1695. int reg = ((iw0 >> LDSTpmod_reg_bits) & LDSTpmod_reg_mask);
  1696. if (aop == 1 && W == 0 && idx == ptr)
  1697. {
  1698. OUTS (outf, dregs_lo (reg));
  1699. OUTS (outf, " = W[");
  1700. OUTS (outf, pregs (ptr));
  1701. OUTS (outf, "]");
  1702. }
  1703. else if (aop == 2 && W == 0 && idx == ptr)
  1704. {
  1705. OUTS (outf, dregs_hi (reg));
  1706. OUTS (outf, " = W[");
  1707. OUTS (outf, pregs (ptr));
  1708. OUTS (outf, "]");
  1709. }
  1710. else if (aop == 1 && W == 1 && idx == ptr)
  1711. {
  1712. OUTS (outf, "W[");
  1713. OUTS (outf, pregs (ptr));
  1714. OUTS (outf, "] = ");
  1715. OUTS (outf, dregs_lo (reg));
  1716. }
  1717. else if (aop == 2 && W == 1 && idx == ptr)
  1718. {
  1719. OUTS (outf, "W[");
  1720. OUTS (outf, pregs (ptr));
  1721. OUTS (outf, "] = ");
  1722. OUTS (outf, dregs_hi (reg));
  1723. }
  1724. else if (aop == 0 && W == 0)
  1725. {
  1726. OUTS (outf, dregs (reg));
  1727. OUTS (outf, " = [");
  1728. OUTS (outf, pregs (ptr));
  1729. OUTS (outf, " ++ ");
  1730. OUTS (outf, pregs (idx));
  1731. OUTS (outf, "]");
  1732. }
  1733. else if (aop == 1 && W == 0)
  1734. {
  1735. OUTS (outf, dregs_lo (reg));
  1736. OUTS (outf, " = W[");
  1737. OUTS (outf, pregs (ptr));
  1738. OUTS (outf, " ++ ");
  1739. OUTS (outf, pregs (idx));
  1740. OUTS (outf, "]");
  1741. }
  1742. else if (aop == 2 && W == 0)
  1743. {
  1744. OUTS (outf, dregs_hi (reg));
  1745. OUTS (outf, " = W[");
  1746. OUTS (outf, pregs (ptr));
  1747. OUTS (outf, " ++ ");
  1748. OUTS (outf, pregs (idx));
  1749. OUTS (outf, "]");
  1750. }
  1751. else if (aop == 3 && W == 0)
  1752. {
  1753. OUTS (outf, dregs (reg));
  1754. OUTS (outf, " = W[");
  1755. OUTS (outf, pregs (ptr));
  1756. OUTS (outf, " ++ ");
  1757. OUTS (outf, pregs (idx));
  1758. OUTS (outf, "] (Z)");
  1759. }
  1760. else if (aop == 3 && W == 1)
  1761. {
  1762. OUTS (outf, dregs (reg));
  1763. OUTS (outf, " = W[");
  1764. OUTS (outf, pregs (ptr));
  1765. OUTS (outf, " ++ ");
  1766. OUTS (outf, pregs (idx));
  1767. OUTS (outf, "] (X)");
  1768. }
  1769. else if (aop == 0 && W == 1)
  1770. {
  1771. OUTS (outf, "[");
  1772. OUTS (outf, pregs (ptr));
  1773. OUTS (outf, " ++ ");
  1774. OUTS (outf, pregs (idx));
  1775. OUTS (outf, "] = ");
  1776. OUTS (outf, dregs (reg));
  1777. }
  1778. else if (aop == 1 && W == 1)
  1779. {
  1780. OUTS (outf, "W[");
  1781. OUTS (outf, pregs (ptr));
  1782. OUTS (outf, " ++ ");
  1783. OUTS (outf, pregs (idx));
  1784. OUTS (outf, "] = ");
  1785. OUTS (outf, dregs_lo (reg));
  1786. }
  1787. else if (aop == 2 && W == 1)
  1788. {
  1789. OUTS (outf, "W[");
  1790. OUTS (outf, pregs (ptr));
  1791. OUTS (outf, " ++ ");
  1792. OUTS (outf, pregs (idx));
  1793. OUTS (outf, "] = ");
  1794. OUTS (outf, dregs_hi (reg));
  1795. }
  1796. else
  1797. return 0;
  1798. return 2;
  1799. }
  1800. static int
  1801. decode_dagMODim_0 (TIword iw0, disassemble_info *outf)
  1802. {
  1803. /* dagMODim
  1804. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  1805. | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 |.br| 1 | 1 |.op|.m.....|.i.....|
  1806. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  1807. int i = ((iw0 >> DagMODim_i_bits) & DagMODim_i_mask);
  1808. int m = ((iw0 >> DagMODim_m_bits) & DagMODim_m_mask);
  1809. int br = ((iw0 >> DagMODim_br_bits) & DagMODim_br_mask);
  1810. int op = ((iw0 >> DagMODim_op_bits) & DagMODim_op_mask);
  1811. if (op == 0 && br == 1)
  1812. {
  1813. OUTS (outf, iregs (i));
  1814. OUTS (outf, " += ");
  1815. OUTS (outf, mregs (m));
  1816. OUTS (outf, " (BREV)");
  1817. }
  1818. else if (op == 0)
  1819. {
  1820. OUTS (outf, iregs (i));
  1821. OUTS (outf, " += ");
  1822. OUTS (outf, mregs (m));
  1823. }
  1824. else if (op == 1 && br == 0)
  1825. {
  1826. OUTS (outf, iregs (i));
  1827. OUTS (outf, " -= ");
  1828. OUTS (outf, mregs (m));
  1829. }
  1830. else
  1831. return 0;
  1832. return 2;
  1833. }
  1834. static int
  1835. decode_dagMODik_0 (TIword iw0, disassemble_info *outf)
  1836. {
  1837. struct private *priv = outf->private_data;
  1838. /* dagMODik
  1839. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  1840. | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 |.op....|.i.....|
  1841. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  1842. int i = ((iw0 >> DagMODik_i_bits) & DagMODik_i_mask);
  1843. int op = ((iw0 >> DagMODik_op_bits) & DagMODik_op_mask);
  1844. if (op == 0)
  1845. {
  1846. OUTS (outf, iregs (i));
  1847. OUTS (outf, " += 0x2");
  1848. }
  1849. else if (op == 1)
  1850. {
  1851. OUTS (outf, iregs (i));
  1852. OUTS (outf, " -= 0x2");
  1853. }
  1854. else if (op == 2)
  1855. {
  1856. OUTS (outf, iregs (i));
  1857. OUTS (outf, " += 0x4");
  1858. }
  1859. else if (op == 3)
  1860. {
  1861. OUTS (outf, iregs (i));
  1862. OUTS (outf, " -= 0x4");
  1863. }
  1864. else
  1865. return 0;
  1866. if (!priv->parallel)
  1867. {
  1868. OUTS (outf, ";\t\t/* ( ");
  1869. if (op == 0 || op == 1)
  1870. OUTS (outf, "2");
  1871. else if (op == 2 || op == 3)
  1872. OUTS (outf, "4");
  1873. OUTS (outf, ") */");
  1874. priv->comment = TRUE;
  1875. }
  1876. return 2;
  1877. }
  1878. static int
  1879. decode_dspLDST_0 (TIword iw0, disassemble_info *outf)
  1880. {
  1881. /* dspLDST
  1882. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  1883. | 1 | 0 | 0 | 1 | 1 | 1 |.W.|.aop...|.m.....|.i.....|.reg.......|
  1884. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  1885. int i = ((iw0 >> DspLDST_i_bits) & DspLDST_i_mask);
  1886. int m = ((iw0 >> DspLDST_m_bits) & DspLDST_m_mask);
  1887. int W = ((iw0 >> DspLDST_W_bits) & DspLDST_W_mask);
  1888. int aop = ((iw0 >> DspLDST_aop_bits) & DspLDST_aop_mask);
  1889. int reg = ((iw0 >> DspLDST_reg_bits) & DspLDST_reg_mask);
  1890. if (aop == 0 && W == 0 && m == 0)
  1891. {
  1892. OUTS (outf, dregs (reg));
  1893. OUTS (outf, " = [");
  1894. OUTS (outf, iregs (i));
  1895. OUTS (outf, "++]");
  1896. }
  1897. else if (aop == 0 && W == 0 && m == 1)
  1898. {
  1899. OUTS (outf, dregs_lo (reg));
  1900. OUTS (outf, " = W[");
  1901. OUTS (outf, iregs (i));
  1902. OUTS (outf, "++]");
  1903. }
  1904. else if (aop == 0 && W == 0 && m == 2)
  1905. {
  1906. OUTS (outf, dregs_hi (reg));
  1907. OUTS (outf, " = W[");
  1908. OUTS (outf, iregs (i));
  1909. OUTS (outf, "++]");
  1910. }
  1911. else if (aop == 1 && W == 0 && m == 0)
  1912. {
  1913. OUTS (outf, dregs (reg));
  1914. OUTS (outf, " = [");
  1915. OUTS (outf, iregs (i));
  1916. OUTS (outf, "--]");
  1917. }
  1918. else if (aop == 1 && W == 0 && m == 1)
  1919. {
  1920. OUTS (outf, dregs_lo (reg));
  1921. OUTS (outf, " = W[");
  1922. OUTS (outf, iregs (i));
  1923. OUTS (outf, "--]");
  1924. }
  1925. else if (aop == 1 && W == 0 && m == 2)
  1926. {
  1927. OUTS (outf, dregs_hi (reg));
  1928. OUTS (outf, " = W[");
  1929. OUTS (outf, iregs (i));
  1930. OUTS (outf, "--]");
  1931. }
  1932. else if (aop == 2 && W == 0 && m == 0)
  1933. {
  1934. OUTS (outf, dregs (reg));
  1935. OUTS (outf, " = [");
  1936. OUTS (outf, iregs (i));
  1937. OUTS (outf, "]");
  1938. }
  1939. else if (aop == 2 && W == 0 && m == 1)
  1940. {
  1941. OUTS (outf, dregs_lo (reg));
  1942. OUTS (outf, " = W[");
  1943. OUTS (outf, iregs (i));
  1944. OUTS (outf, "]");
  1945. }
  1946. else if (aop == 2 && W == 0 && m == 2)
  1947. {
  1948. OUTS (outf, dregs_hi (reg));
  1949. OUTS (outf, " = W[");
  1950. OUTS (outf, iregs (i));
  1951. OUTS (outf, "]");
  1952. }
  1953. else if (aop == 0 && W == 1 && m == 0)
  1954. {
  1955. OUTS (outf, "[");
  1956. OUTS (outf, iregs (i));
  1957. OUTS (outf, "++] = ");
  1958. OUTS (outf, dregs (reg));
  1959. }
  1960. else if (aop == 0 && W == 1 && m == 1)
  1961. {
  1962. OUTS (outf, "W[");
  1963. OUTS (outf, iregs (i));
  1964. OUTS (outf, "++] = ");
  1965. OUTS (outf, dregs_lo (reg));
  1966. }
  1967. else if (aop == 0 && W == 1 && m == 2)
  1968. {
  1969. OUTS (outf, "W[");
  1970. OUTS (outf, iregs (i));
  1971. OUTS (outf, "++] = ");
  1972. OUTS (outf, dregs_hi (reg));
  1973. }
  1974. else if (aop == 1 && W == 1 && m == 0)
  1975. {
  1976. OUTS (outf, "[");
  1977. OUTS (outf, iregs (i));
  1978. OUTS (outf, "--] = ");
  1979. OUTS (outf, dregs (reg));
  1980. }
  1981. else if (aop == 1 && W == 1 && m == 1)
  1982. {
  1983. OUTS (outf, "W[");
  1984. OUTS (outf, iregs (i));
  1985. OUTS (outf, "--] = ");
  1986. OUTS (outf, dregs_lo (reg));
  1987. }
  1988. else if (aop == 1 && W == 1 && m == 2)
  1989. {
  1990. OUTS (outf, "W[");
  1991. OUTS (outf, iregs (i));
  1992. OUTS (outf, "--] = ");
  1993. OUTS (outf, dregs_hi (reg));
  1994. }
  1995. else if (aop == 2 && W == 1 && m == 0)
  1996. {
  1997. OUTS (outf, "[");
  1998. OUTS (outf, iregs (i));
  1999. OUTS (outf, "] = ");
  2000. OUTS (outf, dregs (reg));
  2001. }
  2002. else if (aop == 2 && W == 1 && m == 1)
  2003. {
  2004. OUTS (outf, "W[");
  2005. OUTS (outf, iregs (i));
  2006. OUTS (outf, "] = ");
  2007. OUTS (outf, dregs_lo (reg));
  2008. }
  2009. else if (aop == 2 && W == 1 && m == 2)
  2010. {
  2011. OUTS (outf, "W[");
  2012. OUTS (outf, iregs (i));
  2013. OUTS (outf, "] = ");
  2014. OUTS (outf, dregs_hi (reg));
  2015. }
  2016. else if (aop == 3 && W == 0)
  2017. {
  2018. OUTS (outf, dregs (reg));
  2019. OUTS (outf, " = [");
  2020. OUTS (outf, iregs (i));
  2021. OUTS (outf, " ++ ");
  2022. OUTS (outf, mregs (m));
  2023. OUTS (outf, "]");
  2024. }
  2025. else if (aop == 3 && W == 1)
  2026. {
  2027. OUTS (outf, "[");
  2028. OUTS (outf, iregs (i));
  2029. OUTS (outf, " ++ ");
  2030. OUTS (outf, mregs (m));
  2031. OUTS (outf, "] = ");
  2032. OUTS (outf, dregs (reg));
  2033. }
  2034. else
  2035. return 0;
  2036. return 2;
  2037. }
  2038. static int
  2039. decode_LDST_0 (TIword iw0, disassemble_info *outf)
  2040. {
  2041. /* LDST
  2042. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  2043. | 1 | 0 | 0 | 1 |.sz....|.W.|.aop...|.Z.|.ptr.......|.reg.......|
  2044. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  2045. int Z = ((iw0 >> LDST_Z_bits) & LDST_Z_mask);
  2046. int W = ((iw0 >> LDST_W_bits) & LDST_W_mask);
  2047. int sz = ((iw0 >> LDST_sz_bits) & LDST_sz_mask);
  2048. int aop = ((iw0 >> LDST_aop_bits) & LDST_aop_mask);
  2049. int reg = ((iw0 >> LDST_reg_bits) & LDST_reg_mask);
  2050. int ptr = ((iw0 >> LDST_ptr_bits) & LDST_ptr_mask);
  2051. if (aop == 0 && sz == 0 && Z == 0 && W == 0)
  2052. {
  2053. OUTS (outf, dregs (reg));
  2054. OUTS (outf, " = [");
  2055. OUTS (outf, pregs (ptr));
  2056. OUTS (outf, "++]");
  2057. }
  2058. else if (aop == 0 && sz == 0 && Z == 1 && W == 0 && reg != ptr)
  2059. {
  2060. OUTS (outf, pregs (reg));
  2061. OUTS (outf, " = [");
  2062. OUTS (outf, pregs (ptr));
  2063. OUTS (outf, "++]");
  2064. }
  2065. else if (aop == 0 && sz == 1 && Z == 0 && W == 0)
  2066. {
  2067. OUTS (outf, dregs (reg));
  2068. OUTS (outf, " = W[");
  2069. OUTS (outf, pregs (ptr));
  2070. OUTS (outf, "++] (Z)");
  2071. }
  2072. else if (aop == 0 && sz == 1 && Z == 1 && W == 0)
  2073. {
  2074. OUTS (outf, dregs (reg));
  2075. OUTS (outf, " = W[");
  2076. OUTS (outf, pregs (ptr));
  2077. OUTS (outf, "++] (X)");
  2078. }
  2079. else if (aop == 0 && sz == 2 && Z == 0 && W == 0)
  2080. {
  2081. OUTS (outf, dregs (reg));
  2082. OUTS (outf, " = B[");
  2083. OUTS (outf, pregs (ptr));
  2084. OUTS (outf, "++] (Z)");
  2085. }
  2086. else if (aop == 0 && sz == 2 && Z == 1 && W == 0)
  2087. {
  2088. OUTS (outf, dregs (reg));
  2089. OUTS (outf, " = B[");
  2090. OUTS (outf, pregs (ptr));
  2091. OUTS (outf, "++] (X)");
  2092. }
  2093. else if (aop == 1 && sz == 0 && Z == 0 && W == 0)
  2094. {
  2095. OUTS (outf, dregs (reg));
  2096. OUTS (outf, " = [");
  2097. OUTS (outf, pregs (ptr));
  2098. OUTS (outf, "--]");
  2099. }
  2100. else if (aop == 1 && sz == 0 && Z == 1 && W == 0 && reg != ptr)
  2101. {
  2102. OUTS (outf, pregs (reg));
  2103. OUTS (outf, " = [");
  2104. OUTS (outf, pregs (ptr));
  2105. OUTS (outf, "--]");
  2106. }
  2107. else if (aop == 1 && sz == 1 && Z == 0 && W == 0)
  2108. {
  2109. OUTS (outf, dregs (reg));
  2110. OUTS (outf, " = W[");
  2111. OUTS (outf, pregs (ptr));
  2112. OUTS (outf, "--] (Z)");
  2113. }
  2114. else if (aop == 1 && sz == 1 && Z == 1 && W == 0)
  2115. {
  2116. OUTS (outf, dregs (reg));
  2117. OUTS (outf, " = W[");
  2118. OUTS (outf, pregs (ptr));
  2119. OUTS (outf, "--] (X)");
  2120. }
  2121. else if (aop == 1 && sz == 2 && Z == 0 && W == 0)
  2122. {
  2123. OUTS (outf, dregs (reg));
  2124. OUTS (outf, " = B[");
  2125. OUTS (outf, pregs (ptr));
  2126. OUTS (outf, "--] (Z)");
  2127. }
  2128. else if (aop == 1 && sz == 2 && Z == 1 && W == 0)
  2129. {
  2130. OUTS (outf, dregs (reg));
  2131. OUTS (outf, " = B[");
  2132. OUTS (outf, pregs (ptr));
  2133. OUTS (outf, "--] (X)");
  2134. }
  2135. else if (aop == 2 && sz == 0 && Z == 0 && W == 0)
  2136. {
  2137. OUTS (outf, dregs (reg));
  2138. OUTS (outf, " = [");
  2139. OUTS (outf, pregs (ptr));
  2140. OUTS (outf, "]");
  2141. }
  2142. else if (aop == 2 && sz == 0 && Z == 1 && W == 0)
  2143. {
  2144. OUTS (outf, pregs (reg));
  2145. OUTS (outf, " = [");
  2146. OUTS (outf, pregs (ptr));
  2147. OUTS (outf, "]");
  2148. }
  2149. else if (aop == 2 && sz == 1 && Z == 0 && W == 0)
  2150. {
  2151. OUTS (outf, dregs (reg));
  2152. OUTS (outf, " = W[");
  2153. OUTS (outf, pregs (ptr));
  2154. OUTS (outf, "] (Z)");
  2155. }
  2156. else if (aop == 2 && sz == 1 && Z == 1 && W == 0)
  2157. {
  2158. OUTS (outf, dregs (reg));
  2159. OUTS (outf, " = W[");
  2160. OUTS (outf, pregs (ptr));
  2161. OUTS (outf, "] (X)");
  2162. }
  2163. else if (aop == 2 && sz == 2 && Z == 0 && W == 0)
  2164. {
  2165. OUTS (outf, dregs (reg));
  2166. OUTS (outf, " = B[");
  2167. OUTS (outf, pregs (ptr));
  2168. OUTS (outf, "] (Z)");
  2169. }
  2170. else if (aop == 2 && sz == 2 && Z == 1 && W == 0)
  2171. {
  2172. OUTS (outf, dregs (reg));
  2173. OUTS (outf, " = B[");
  2174. OUTS (outf, pregs (ptr));
  2175. OUTS (outf, "] (X)");
  2176. }
  2177. else if (aop == 0 && sz == 0 && Z == 0 && W == 1)
  2178. {
  2179. OUTS (outf, "[");
  2180. OUTS (outf, pregs (ptr));
  2181. OUTS (outf, "++] = ");
  2182. OUTS (outf, dregs (reg));
  2183. }
  2184. else if (aop == 0 && sz == 0 && Z == 1 && W == 1)
  2185. {
  2186. OUTS (outf, "[");
  2187. OUTS (outf, pregs (ptr));
  2188. OUTS (outf, "++] = ");
  2189. OUTS (outf, pregs (reg));
  2190. }
  2191. else if (aop == 0 && sz == 1 && Z == 0 && W == 1)
  2192. {
  2193. OUTS (outf, "W[");
  2194. OUTS (outf, pregs (ptr));
  2195. OUTS (outf, "++] = ");
  2196. OUTS (outf, dregs (reg));
  2197. }
  2198. else if (aop == 0 && sz == 2 && Z == 0 && W == 1)
  2199. {
  2200. OUTS (outf, "B[");
  2201. OUTS (outf, pregs (ptr));
  2202. OUTS (outf, "++] = ");
  2203. OUTS (outf, dregs (reg));
  2204. }
  2205. else if (aop == 1 && sz == 0 && Z == 0 && W == 1)
  2206. {
  2207. OUTS (outf, "[");
  2208. OUTS (outf, pregs (ptr));
  2209. OUTS (outf, "--] = ");
  2210. OUTS (outf, dregs (reg));
  2211. }
  2212. else if (aop == 1 && sz == 0 && Z == 1 && W == 1)
  2213. {
  2214. OUTS (outf, "[");
  2215. OUTS (outf, pregs (ptr));
  2216. OUTS (outf, "--] = ");
  2217. OUTS (outf, pregs (reg));
  2218. }
  2219. else if (aop == 1 && sz == 1 && Z == 0 && W == 1)
  2220. {
  2221. OUTS (outf, "W[");
  2222. OUTS (outf, pregs (ptr));
  2223. OUTS (outf, "--] = ");
  2224. OUTS (outf, dregs (reg));
  2225. }
  2226. else if (aop == 1 && sz == 2 && Z == 0 && W == 1)
  2227. {
  2228. OUTS (outf, "B[");
  2229. OUTS (outf, pregs (ptr));
  2230. OUTS (outf, "--] = ");
  2231. OUTS (outf, dregs (reg));
  2232. }
  2233. else if (aop == 2 && sz == 0 && Z == 0 && W == 1)
  2234. {
  2235. OUTS (outf, "[");
  2236. OUTS (outf, pregs (ptr));
  2237. OUTS (outf, "] = ");
  2238. OUTS (outf, dregs (reg));
  2239. }
  2240. else if (aop == 2 && sz == 0 && Z == 1 && W == 1)
  2241. {
  2242. OUTS (outf, "[");
  2243. OUTS (outf, pregs (ptr));
  2244. OUTS (outf, "] = ");
  2245. OUTS (outf, pregs (reg));
  2246. }
  2247. else if (aop == 2 && sz == 1 && Z == 0 && W == 1)
  2248. {
  2249. OUTS (outf, "W[");
  2250. OUTS (outf, pregs (ptr));
  2251. OUTS (outf, "] = ");
  2252. OUTS (outf, dregs (reg));
  2253. }
  2254. else if (aop == 2 && sz == 2 && Z == 0 && W == 1)
  2255. {
  2256. OUTS (outf, "B[");
  2257. OUTS (outf, pregs (ptr));
  2258. OUTS (outf, "] = ");
  2259. OUTS (outf, dregs (reg));
  2260. }
  2261. else
  2262. return 0;
  2263. return 2;
  2264. }
  2265. static int
  2266. decode_LDSTiiFP_0 (TIword iw0, disassemble_info *outf)
  2267. {
  2268. /* LDSTiiFP
  2269. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  2270. | 1 | 0 | 1 | 1 | 1 | 0 |.W.|.offset............|.reg...........|
  2271. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  2272. int reg = ((iw0 >> LDSTiiFP_reg_bits) & LDSTiiFP_reg_mask);
  2273. int offset = ((iw0 >> LDSTiiFP_offset_bits) & LDSTiiFP_offset_mask);
  2274. int W = ((iw0 >> LDSTiiFP_W_bits) & LDSTiiFP_W_mask);
  2275. if (W == 0)
  2276. {
  2277. OUTS (outf, dpregs (reg));
  2278. OUTS (outf, " = [FP ");
  2279. OUTS (outf, negimm5s4 (offset));
  2280. OUTS (outf, "]");
  2281. }
  2282. else if (W == 1)
  2283. {
  2284. OUTS (outf, "[FP ");
  2285. OUTS (outf, negimm5s4 (offset));
  2286. OUTS (outf, "] = ");
  2287. OUTS (outf, dpregs (reg));
  2288. }
  2289. else
  2290. return 0;
  2291. return 2;
  2292. }
  2293. static int
  2294. decode_LDSTii_0 (TIword iw0, disassemble_info *outf)
  2295. {
  2296. /* LDSTii
  2297. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  2298. | 1 | 0 | 1 |.W.|.op....|.offset........|.ptr.......|.reg.......|
  2299. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  2300. int reg = ((iw0 >> LDSTii_reg_bit) & LDSTii_reg_mask);
  2301. int ptr = ((iw0 >> LDSTii_ptr_bit) & LDSTii_ptr_mask);
  2302. int offset = ((iw0 >> LDSTii_offset_bit) & LDSTii_offset_mask);
  2303. int op = ((iw0 >> LDSTii_op_bit) & LDSTii_op_mask);
  2304. int W = ((iw0 >> LDSTii_W_bit) & LDSTii_W_mask);
  2305. if (W == 0 && op == 0)
  2306. {
  2307. OUTS (outf, dregs (reg));
  2308. OUTS (outf, " = [");
  2309. OUTS (outf, pregs (ptr));
  2310. OUTS (outf, " + ");
  2311. OUTS (outf, uimm4s4 (offset));
  2312. OUTS (outf, "]");
  2313. }
  2314. else if (W == 0 && op == 1)
  2315. {
  2316. OUTS (outf, dregs (reg));
  2317. OUTS (outf, " = W[");
  2318. OUTS (outf, pregs (ptr));
  2319. OUTS (outf, " + ");
  2320. OUTS (outf, uimm4s2 (offset));
  2321. OUTS (outf, "] (Z)");
  2322. }
  2323. else if (W == 0 && op == 2)
  2324. {
  2325. OUTS (outf, dregs (reg));
  2326. OUTS (outf, " = W[");
  2327. OUTS (outf, pregs (ptr));
  2328. OUTS (outf, " + ");
  2329. OUTS (outf, uimm4s2 (offset));
  2330. OUTS (outf, "] (X)");
  2331. }
  2332. else if (W == 0 && op == 3)
  2333. {
  2334. OUTS (outf, pregs (reg));
  2335. OUTS (outf, " = [");
  2336. OUTS (outf, pregs (ptr));
  2337. OUTS (outf, " + ");
  2338. OUTS (outf, uimm4s4 (offset));
  2339. OUTS (outf, "]");
  2340. }
  2341. else if (W == 1 && op == 0)
  2342. {
  2343. OUTS (outf, "[");
  2344. OUTS (outf, pregs (ptr));
  2345. OUTS (outf, " + ");
  2346. OUTS (outf, uimm4s4 (offset));
  2347. OUTS (outf, "] = ");
  2348. OUTS (outf, dregs (reg));
  2349. }
  2350. else if (W == 1 && op == 1)
  2351. {
  2352. OUTS (outf, "W[");
  2353. OUTS (outf, pregs (ptr));
  2354. OUTS (outf, " + ");
  2355. OUTS (outf, uimm4s2 (offset));
  2356. OUTS (outf, "] = ");
  2357. OUTS (outf, dregs (reg));
  2358. }
  2359. else if (W == 1 && op == 3)
  2360. {
  2361. OUTS (outf, "[");
  2362. OUTS (outf, pregs (ptr));
  2363. OUTS (outf, " + ");
  2364. OUTS (outf, uimm4s4 (offset));
  2365. OUTS (outf, "] = ");
  2366. OUTS (outf, pregs (reg));
  2367. }
  2368. else
  2369. return 0;
  2370. return 2;
  2371. }
  2372. static int
  2373. decode_LoopSetup_0 (TIword iw0, TIword iw1, bfd_vma pc, disassemble_info *outf)
  2374. {
  2375. struct private *priv = outf->private_data;
  2376. /* LoopSetup
  2377. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  2378. | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |.rop...|.c.|.soffset.......|
  2379. |.reg...........| - | - |.eoffset...............................|
  2380. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  2381. int c = ((iw0 >> (LoopSetup_c_bits - 16)) & LoopSetup_c_mask);
  2382. int reg = ((iw1 >> LoopSetup_reg_bits) & LoopSetup_reg_mask);
  2383. int rop = ((iw0 >> (LoopSetup_rop_bits - 16)) & LoopSetup_rop_mask);
  2384. int soffset = ((iw0 >> (LoopSetup_soffset_bits - 16)) & LoopSetup_soffset_mask);
  2385. int eoffset = ((iw1 >> LoopSetup_eoffset_bits) & LoopSetup_eoffset_mask);
  2386. if (priv->parallel)
  2387. return 0;
  2388. if (reg > 7)
  2389. return 0;
  2390. if (rop == 0)
  2391. {
  2392. OUTS (outf, "LSETUP");
  2393. OUTS (outf, "(0x");
  2394. OUTS (outf, pcrel4 (soffset));
  2395. OUTS (outf, ", 0x");
  2396. OUTS (outf, lppcrel10 (eoffset));
  2397. OUTS (outf, ") ");
  2398. OUTS (outf, counters (c));
  2399. }
  2400. else if (rop == 1)
  2401. {
  2402. OUTS (outf, "LSETUP");
  2403. OUTS (outf, "(0x");
  2404. OUTS (outf, pcrel4 (soffset));
  2405. OUTS (outf, ", 0x");
  2406. OUTS (outf, lppcrel10 (eoffset));
  2407. OUTS (outf, ") ");
  2408. OUTS (outf, counters (c));
  2409. OUTS (outf, " = ");
  2410. OUTS (outf, pregs (reg));
  2411. }
  2412. else if (rop == 3)
  2413. {
  2414. OUTS (outf, "LSETUP");
  2415. OUTS (outf, "(0x");
  2416. OUTS (outf, pcrel4 (soffset));
  2417. OUTS (outf, ", 0x");
  2418. OUTS (outf, lppcrel10 (eoffset));
  2419. OUTS (outf, ") ");
  2420. OUTS (outf, counters (c));
  2421. OUTS (outf, " = ");
  2422. OUTS (outf, pregs (reg));
  2423. OUTS (outf, " >> 0x1");
  2424. }
  2425. else
  2426. return 0;
  2427. return 4;
  2428. }
  2429. static int
  2430. decode_LDIMMhalf_0 (TIword iw0, TIword iw1, disassemble_info *outf)
  2431. {
  2432. struct private *priv = outf->private_data;
  2433. /* LDIMMhalf
  2434. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  2435. | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 |.Z.|.H.|.S.|.grp...|.reg.......|
  2436. |.hword.........................................................|
  2437. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  2438. int H = ((iw0 >> (LDIMMhalf_H_bits - 16)) & LDIMMhalf_H_mask);
  2439. int Z = ((iw0 >> (LDIMMhalf_Z_bits - 16)) & LDIMMhalf_Z_mask);
  2440. int S = ((iw0 >> (LDIMMhalf_S_bits - 16)) & LDIMMhalf_S_mask);
  2441. int reg = ((iw0 >> (LDIMMhalf_reg_bits - 16)) & LDIMMhalf_reg_mask);
  2442. int grp = ((iw0 >> (LDIMMhalf_grp_bits - 16)) & LDIMMhalf_grp_mask);
  2443. int hword = ((iw1 >> LDIMMhalf_hword_bits) & LDIMMhalf_hword_mask);
  2444. bu32 *pval = get_allreg (grp, reg);
  2445. if (priv->parallel)
  2446. return 0;
  2447. /* Since we don't have 32-bit immediate loads, we allow the disassembler
  2448. to combine them, so it prints out the right values.
  2449. Here we keep track of the registers. */
  2450. if (H == 0 && S == 1 && Z == 0)
  2451. {
  2452. /* regs = imm16 (x) */
  2453. *pval = imm16_val (hword);
  2454. if (hword & 0x8000)
  2455. *pval |= 0xFFFF0000;
  2456. else
  2457. *pval &= 0xFFFF;
  2458. }
  2459. else if (H == 0 && S == 0 && Z == 1)
  2460. {
  2461. /* regs = luimm16 (Z) */
  2462. *pval = luimm16_val (hword);
  2463. *pval &= 0xFFFF;
  2464. }
  2465. else if (H == 0 && S == 0 && Z == 0)
  2466. {
  2467. /* regs_lo = luimm16 */
  2468. *pval &= 0xFFFF0000;
  2469. *pval |= luimm16_val (hword);
  2470. }
  2471. else if (H == 1 && S == 0 && Z == 0)
  2472. {
  2473. /* regs_hi = huimm16 */
  2474. *pval &= 0xFFFF;
  2475. *pval |= luimm16_val (hword) << 16;
  2476. }
  2477. /* Here we do the disassembly */
  2478. if (grp == 0 && H == 0 && S == 0 && Z == 0)
  2479. {
  2480. OUTS (outf, dregs_lo (reg));
  2481. OUTS (outf, " = ");
  2482. OUTS (outf, uimm16 (hword));
  2483. }
  2484. else if (grp == 0 && H == 1 && S == 0 && Z == 0)
  2485. {
  2486. OUTS (outf, dregs_hi (reg));
  2487. OUTS (outf, " = ");
  2488. OUTS (outf, uimm16 (hword));
  2489. }
  2490. else if (grp == 0 && H == 0 && S == 1 && Z == 0)
  2491. {
  2492. OUTS (outf, dregs (reg));
  2493. OUTS (outf, " = ");
  2494. OUTS (outf, imm16 (hword));
  2495. OUTS (outf, " (X)");
  2496. }
  2497. else if (H == 0 && S == 1 && Z == 0)
  2498. {
  2499. OUTS (outf, regs (reg, grp));
  2500. OUTS (outf, " = ");
  2501. OUTS (outf, imm16 (hword));
  2502. OUTS (outf, " (X)");
  2503. }
  2504. else if (H == 0 && S == 0 && Z == 1)
  2505. {
  2506. OUTS (outf, regs (reg, grp));
  2507. OUTS (outf, " = ");
  2508. OUTS (outf, uimm16 (hword));
  2509. OUTS (outf, " (Z)");
  2510. }
  2511. else if (H == 0 && S == 0 && Z == 0)
  2512. {
  2513. OUTS (outf, regs_lo (reg, grp));
  2514. OUTS (outf, " = ");
  2515. OUTS (outf, uimm16 (hword));
  2516. }
  2517. else if (H == 1 && S == 0 && Z == 0)
  2518. {
  2519. OUTS (outf, regs_hi (reg, grp));
  2520. OUTS (outf, " = ");
  2521. OUTS (outf, uimm16 (hword));
  2522. }
  2523. else
  2524. return 0;
  2525. /* And we print out the 32-bit value if it is a pointer. */
  2526. if (S == 0 && Z == 0)
  2527. {
  2528. OUTS (outf, ";\t\t/* (");
  2529. OUTS (outf, imm16d (hword));
  2530. OUTS (outf, ")\t");
  2531. /* If it is an MMR, don't print the symbol. */
  2532. if (*pval < 0xFFC00000 && grp == 1)
  2533. {
  2534. OUTS (outf, regs (reg, grp));
  2535. OUTS (outf, "=0x");
  2536. OUTS (outf, huimm32e (*pval));
  2537. }
  2538. else
  2539. {
  2540. OUTS (outf, regs (reg, grp));
  2541. OUTS (outf, "=0x");
  2542. OUTS (outf, huimm32e (*pval));
  2543. OUTS (outf, "(");
  2544. OUTS (outf, imm32 (*pval));
  2545. OUTS (outf, ")");
  2546. }
  2547. OUTS (outf, " */");
  2548. priv->comment = TRUE;
  2549. }
  2550. if (S == 1 || Z == 1)
  2551. {
  2552. OUTS (outf, ";\t\t/*\t\t");
  2553. OUTS (outf, regs (reg, grp));
  2554. OUTS (outf, "=0x");
  2555. OUTS (outf, huimm32e (*pval));
  2556. OUTS (outf, "(");
  2557. OUTS (outf, imm32 (*pval));
  2558. OUTS (outf, ") */");
  2559. priv->comment = TRUE;
  2560. }
  2561. return 4;
  2562. }
  2563. static int
  2564. decode_CALLa_0 (TIword iw0, TIword iw1, bfd_vma pc, disassemble_info *outf)
  2565. {
  2566. struct private *priv = outf->private_data;
  2567. /* CALLa
  2568. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  2569. | 1 | 1 | 1 | 0 | 0 | 0 | 1 |.S.|.msw...........................|
  2570. |.lsw...........................................................|
  2571. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  2572. int S = ((iw0 >> (CALLa_S_bits - 16)) & CALLa_S_mask);
  2573. int lsw = ((iw1 >> 0) & 0xffff);
  2574. int msw = ((iw0 >> 0) & 0xff);
  2575. if (priv->parallel)
  2576. return 0;
  2577. if (S == 1)
  2578. OUTS (outf, "CALL 0x");
  2579. else if (S == 0)
  2580. OUTS (outf, "JUMP.L 0x");
  2581. else
  2582. return 0;
  2583. OUTS (outf, pcrel24 (((msw) << 16) | (lsw)));
  2584. return 4;
  2585. }
  2586. static int
  2587. decode_LDSTidxI_0 (TIword iw0, TIword iw1, disassemble_info *outf)
  2588. {
  2589. /* LDSTidxI
  2590. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  2591. | 1 | 1 | 1 | 0 | 0 | 1 |.W.|.Z.|.sz....|.ptr.......|.reg.......|
  2592. |.offset........................................................|
  2593. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  2594. int Z = ((iw0 >> (LDSTidxI_Z_bits - 16)) & LDSTidxI_Z_mask);
  2595. int W = ((iw0 >> (LDSTidxI_W_bits - 16)) & LDSTidxI_W_mask);
  2596. int sz = ((iw0 >> (LDSTidxI_sz_bits - 16)) & LDSTidxI_sz_mask);
  2597. int reg = ((iw0 >> (LDSTidxI_reg_bits - 16)) & LDSTidxI_reg_mask);
  2598. int ptr = ((iw0 >> (LDSTidxI_ptr_bits - 16)) & LDSTidxI_ptr_mask);
  2599. int offset = ((iw1 >> LDSTidxI_offset_bits) & LDSTidxI_offset_mask);
  2600. if (W == 0 && sz == 0 && Z == 0)
  2601. {
  2602. OUTS (outf, dregs (reg));
  2603. OUTS (outf, " = [");
  2604. OUTS (outf, pregs (ptr));
  2605. OUTS (outf, " + ");
  2606. OUTS (outf, imm16s4 (offset));
  2607. OUTS (outf, "]");
  2608. }
  2609. else if (W == 0 && sz == 0 && Z == 1)
  2610. {
  2611. OUTS (outf, pregs (reg));
  2612. OUTS (outf, " = [");
  2613. OUTS (outf, pregs (ptr));
  2614. OUTS (outf, " + ");
  2615. OUTS (outf, imm16s4 (offset));
  2616. OUTS (outf, "]");
  2617. }
  2618. else if (W == 0 && sz == 1 && Z == 0)
  2619. {
  2620. OUTS (outf, dregs (reg));
  2621. OUTS (outf, " = W[");
  2622. OUTS (outf, pregs (ptr));
  2623. OUTS (outf, " + ");
  2624. OUTS (outf, imm16s2 (offset));
  2625. OUTS (outf, "] (Z)");
  2626. }
  2627. else if (W == 0 && sz == 1 && Z == 1)
  2628. {
  2629. OUTS (outf, dregs (reg));
  2630. OUTS (outf, " = W[");
  2631. OUTS (outf, pregs (ptr));
  2632. OUTS (outf, " + ");
  2633. OUTS (outf, imm16s2 (offset));
  2634. OUTS (outf, "] (X)");
  2635. }
  2636. else if (W == 0 && sz == 2 && Z == 0)
  2637. {
  2638. OUTS (outf, dregs (reg));
  2639. OUTS (outf, " = B[");
  2640. OUTS (outf, pregs (ptr));
  2641. OUTS (outf, " + ");
  2642. OUTS (outf, imm16 (offset));
  2643. OUTS (outf, "] (Z)");
  2644. }
  2645. else if (W == 0 && sz == 2 && Z == 1)
  2646. {
  2647. OUTS (outf, dregs (reg));
  2648. OUTS (outf, " = B[");
  2649. OUTS (outf, pregs (ptr));
  2650. OUTS (outf, " + ");
  2651. OUTS (outf, imm16 (offset));
  2652. OUTS (outf, "] (X)");
  2653. }
  2654. else if (W == 1 && sz == 0 && Z == 0)
  2655. {
  2656. OUTS (outf, "[");
  2657. OUTS (outf, pregs (ptr));
  2658. OUTS (outf, " + ");
  2659. OUTS (outf, imm16s4 (offset));
  2660. OUTS (outf, "] = ");
  2661. OUTS (outf, dregs (reg));
  2662. }
  2663. else if (W == 1 && sz == 0 && Z == 1)
  2664. {
  2665. OUTS (outf, "[");
  2666. OUTS (outf, pregs (ptr));
  2667. OUTS (outf, " + ");
  2668. OUTS (outf, imm16s4 (offset));
  2669. OUTS (outf, "] = ");
  2670. OUTS (outf, pregs (reg));
  2671. }
  2672. else if (W == 1 && sz == 1 && Z == 0)
  2673. {
  2674. OUTS (outf, "W[");
  2675. OUTS (outf, pregs (ptr));
  2676. OUTS (outf, " + ");
  2677. OUTS (outf, imm16s2 (offset));
  2678. OUTS (outf, "] = ");
  2679. OUTS (outf, dregs (reg));
  2680. }
  2681. else if (W == 1 && sz == 2 && Z == 0)
  2682. {
  2683. OUTS (outf, "B[");
  2684. OUTS (outf, pregs (ptr));
  2685. OUTS (outf, " + ");
  2686. OUTS (outf, imm16 (offset));
  2687. OUTS (outf, "] = ");
  2688. OUTS (outf, dregs (reg));
  2689. }
  2690. else
  2691. return 0;
  2692. return 4;
  2693. }
  2694. static int
  2695. decode_linkage_0 (TIword iw0, TIword iw1, disassemble_info *outf)
  2696. {
  2697. struct private *priv = outf->private_data;
  2698. /* linkage
  2699. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  2700. | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |.R.|
  2701. |.framesize.....................................................|
  2702. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  2703. int R = ((iw0 >> (Linkage_R_bits - 16)) & Linkage_R_mask);
  2704. int framesize = ((iw1 >> Linkage_framesize_bits) & Linkage_framesize_mask);
  2705. if (priv->parallel)
  2706. return 0;
  2707. if (R == 0)
  2708. {
  2709. OUTS (outf, "LINK ");
  2710. OUTS (outf, uimm16s4 (framesize));
  2711. OUTS (outf, ";\t\t/* (");
  2712. OUTS (outf, uimm16s4d (framesize));
  2713. OUTS (outf, ") */");
  2714. priv->comment = TRUE;
  2715. }
  2716. else if (R == 1)
  2717. OUTS (outf, "UNLINK");
  2718. else
  2719. return 0;
  2720. return 4;
  2721. }
  2722. static int
  2723. decode_dsp32mac_0 (TIword iw0, TIword iw1, disassemble_info *outf)
  2724. {
  2725. /* dsp32mac
  2726. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  2727. | 1 | 1 | 0 | 0 |.M.| 0 | 0 |.mmod..........|.MM|.P.|.w1|.op1...|
  2728. |.h01|.h11|.w0|.op0...|.h00|.h10|.dst.......|.src0......|.src1..|
  2729. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  2730. int op1 = ((iw0 >> (DSP32Mac_op1_bits - 16)) & DSP32Mac_op1_mask);
  2731. int w1 = ((iw0 >> (DSP32Mac_w1_bits - 16)) & DSP32Mac_w1_mask);
  2732. int P = ((iw0 >> (DSP32Mac_p_bits - 16)) & DSP32Mac_p_mask);
  2733. int MM = ((iw0 >> (DSP32Mac_MM_bits - 16)) & DSP32Mac_MM_mask);
  2734. int mmod = ((iw0 >> (DSP32Mac_mmod_bits - 16)) & DSP32Mac_mmod_mask);
  2735. int w0 = ((iw1 >> DSP32Mac_w0_bits) & DSP32Mac_w0_mask);
  2736. int src0 = ((iw1 >> DSP32Mac_src0_bits) & DSP32Mac_src0_mask);
  2737. int src1 = ((iw1 >> DSP32Mac_src1_bits) & DSP32Mac_src1_mask);
  2738. int dst = ((iw1 >> DSP32Mac_dst_bits) & DSP32Mac_dst_mask);
  2739. int h10 = ((iw1 >> DSP32Mac_h10_bits) & DSP32Mac_h10_mask);
  2740. int h00 = ((iw1 >> DSP32Mac_h00_bits) & DSP32Mac_h00_mask);
  2741. int op0 = ((iw1 >> DSP32Mac_op0_bits) & DSP32Mac_op0_mask);
  2742. int h11 = ((iw1 >> DSP32Mac_h11_bits) & DSP32Mac_h11_mask);
  2743. int h01 = ((iw1 >> DSP32Mac_h01_bits) & DSP32Mac_h01_mask);
  2744. if (w0 == 0 && w1 == 0 && op1 == 3 && op0 == 3)
  2745. return 0;
  2746. if (op1 == 3 && MM)
  2747. return 0;
  2748. if ((w1 || w0) && mmod == M_W32)
  2749. return 0;
  2750. if (((1 << mmod) & (P ? 0x131b : 0x1b5f)) == 0)
  2751. return 0;
  2752. if (w1 == 1 || op1 != 3)
  2753. {
  2754. if (w1)
  2755. OUTS (outf, P ? dregs (dst + 1) : dregs_hi (dst));
  2756. if (op1 == 3)
  2757. OUTS (outf, " = A1");
  2758. else
  2759. {
  2760. if (w1)
  2761. OUTS (outf, " = (");
  2762. decode_macfunc (1, op1, h01, h11, src0, src1, outf);
  2763. if (w1)
  2764. OUTS (outf, ")");
  2765. }
  2766. if (w0 == 1 || op0 != 3)
  2767. {
  2768. if (MM)
  2769. OUTS (outf, " (M)");
  2770. OUTS (outf, ", ");
  2771. }
  2772. }
  2773. if (w0 == 1 || op0 != 3)
  2774. {
  2775. /* Clear MM option since it only matters for MAC1, and if we made
  2776. it this far, we've already shown it or we want to ignore it. */
  2777. MM = 0;
  2778. if (w0)
  2779. OUTS (outf, P ? dregs (dst) : dregs_lo (dst));
  2780. if (op0 == 3)
  2781. OUTS (outf, " = A0");
  2782. else
  2783. {
  2784. if (w0)
  2785. OUTS (outf, " = (");
  2786. decode_macfunc (0, op0, h00, h10, src0, src1, outf);
  2787. if (w0)
  2788. OUTS (outf, ")");
  2789. }
  2790. }
  2791. decode_optmode (mmod, MM, outf);
  2792. return 4;
  2793. }
  2794. static int
  2795. decode_dsp32mult_0 (TIword iw0, TIword iw1, disassemble_info *outf)
  2796. {
  2797. /* dsp32mult
  2798. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  2799. | 1 | 1 | 0 | 0 |.M.| 0 | 1 |.mmod..........|.MM|.P.|.w1|.op1...|
  2800. |.h01|.h11|.w0|.op0...|.h00|.h10|.dst.......|.src0......|.src1..|
  2801. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  2802. int w1 = ((iw0 >> (DSP32Mac_w1_bits - 16)) & DSP32Mac_w1_mask);
  2803. int P = ((iw0 >> (DSP32Mac_p_bits - 16)) & DSP32Mac_p_mask);
  2804. int MM = ((iw0 >> (DSP32Mac_MM_bits - 16)) & DSP32Mac_MM_mask);
  2805. int mmod = ((iw0 >> (DSP32Mac_mmod_bits - 16)) & DSP32Mac_mmod_mask);
  2806. int w0 = ((iw1 >> DSP32Mac_w0_bits) & DSP32Mac_w0_mask);
  2807. int src0 = ((iw1 >> DSP32Mac_src0_bits) & DSP32Mac_src0_mask);
  2808. int src1 = ((iw1 >> DSP32Mac_src1_bits) & DSP32Mac_src1_mask);
  2809. int dst = ((iw1 >> DSP32Mac_dst_bits) & DSP32Mac_dst_mask);
  2810. int h10 = ((iw1 >> DSP32Mac_h10_bits) & DSP32Mac_h10_mask);
  2811. int h00 = ((iw1 >> DSP32Mac_h00_bits) & DSP32Mac_h00_mask);
  2812. int h11 = ((iw1 >> DSP32Mac_h11_bits) & DSP32Mac_h11_mask);
  2813. int h01 = ((iw1 >> DSP32Mac_h01_bits) & DSP32Mac_h01_mask);
  2814. if (w1 == 0 && w0 == 0)
  2815. return 0;
  2816. if (((1 << mmod) & (P ? 0x313 : 0x1b57)) == 0)
  2817. return 0;
  2818. if (w1)
  2819. {
  2820. OUTS (outf, P ? dregs (dst + 1) : dregs_hi (dst));
  2821. OUTS (outf, " = ");
  2822. decode_multfunc (h01, h11, src0, src1, outf);
  2823. if (w0)
  2824. {
  2825. if (MM)
  2826. OUTS (outf, " (M)");
  2827. MM = 0;
  2828. OUTS (outf, ", ");
  2829. }
  2830. }
  2831. if (w0)
  2832. {
  2833. OUTS (outf, P ? dregs (dst) : dregs_lo (dst));
  2834. OUTS (outf, " = ");
  2835. decode_multfunc (h00, h10, src0, src1, outf);
  2836. }
  2837. decode_optmode (mmod, MM, outf);
  2838. return 4;
  2839. }
  2840. static int
  2841. decode_dsp32alu_0 (TIword iw0, TIword iw1, disassemble_info *outf)
  2842. {
  2843. /* dsp32alu
  2844. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  2845. | 1 | 1 | 0 | 0 |.M.| 1 | 0 | - | - | - |.HL|.aopcde............|
  2846. |.aop...|.s.|.x.|.dst0......|.dst1......|.src0......|.src1......|
  2847. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  2848. int s = ((iw1 >> DSP32Alu_s_bits) & DSP32Alu_s_mask);
  2849. int x = ((iw1 >> DSP32Alu_x_bits) & DSP32Alu_x_mask);
  2850. int aop = ((iw1 >> DSP32Alu_aop_bits) & DSP32Alu_aop_mask);
  2851. int src0 = ((iw1 >> DSP32Alu_src0_bits) & DSP32Alu_src0_mask);
  2852. int src1 = ((iw1 >> DSP32Alu_src1_bits) & DSP32Alu_src1_mask);
  2853. int dst0 = ((iw1 >> DSP32Alu_dst0_bits) & DSP32Alu_dst0_mask);
  2854. int dst1 = ((iw1 >> DSP32Alu_dst1_bits) & DSP32Alu_dst1_mask);
  2855. int HL = ((iw0 >> (DSP32Alu_HL_bits - 16)) & DSP32Alu_HL_mask);
  2856. int aopcde = ((iw0 >> (DSP32Alu_aopcde_bits - 16)) & DSP32Alu_aopcde_mask);
  2857. if (aop == 0 && aopcde == 9 && HL == 0 && s == 0)
  2858. {
  2859. OUTS (outf, "A0.L = ");
  2860. OUTS (outf, dregs_lo (src0));
  2861. }
  2862. else if (aop == 2 && aopcde == 9 && HL == 1 && s == 0)
  2863. {
  2864. OUTS (outf, "A1.H = ");
  2865. OUTS (outf, dregs_hi (src0));
  2866. }
  2867. else if (aop == 2 && aopcde == 9 && HL == 0 && s == 0)
  2868. {
  2869. OUTS (outf, "A1.L = ");
  2870. OUTS (outf, dregs_lo (src0));
  2871. }
  2872. else if (aop == 0 && aopcde == 9 && HL == 1 && s == 0)
  2873. {
  2874. OUTS (outf, "A0.H = ");
  2875. OUTS (outf, dregs_hi (src0));
  2876. }
  2877. else if (x == 1 && HL == 1 && aop == 3 && aopcde == 5)
  2878. {
  2879. OUTS (outf, dregs_hi (dst0));
  2880. OUTS (outf, " = ");
  2881. OUTS (outf, dregs (src0));
  2882. OUTS (outf, " - ");
  2883. OUTS (outf, dregs (src1));
  2884. OUTS (outf, " (RND20)");
  2885. }
  2886. else if (x == 1 && HL == 1 && aop == 2 && aopcde == 5)
  2887. {
  2888. OUTS (outf, dregs_hi (dst0));
  2889. OUTS (outf, " = ");
  2890. OUTS (outf, dregs (src0));
  2891. OUTS (outf, " + ");
  2892. OUTS (outf, dregs (src1));
  2893. OUTS (outf, " (RND20)");
  2894. }
  2895. else if (x == 0 && HL == 0 && aop == 1 && aopcde == 5)
  2896. {
  2897. OUTS (outf, dregs_lo (dst0));
  2898. OUTS (outf, " = ");
  2899. OUTS (outf, dregs (src0));
  2900. OUTS (outf, " - ");
  2901. OUTS (outf, dregs (src1));
  2902. OUTS (outf, " (RND12)");
  2903. }
  2904. else if (x == 0 && HL == 0 && aop == 0 && aopcde == 5)
  2905. {
  2906. OUTS (outf, dregs_lo (dst0));
  2907. OUTS (outf, " = ");
  2908. OUTS (outf, dregs (src0));
  2909. OUTS (outf, " + ");
  2910. OUTS (outf, dregs (src1));
  2911. OUTS (outf, " (RND12)");
  2912. }
  2913. else if (x == 1 && HL == 0 && aop == 3 && aopcde == 5)
  2914. {
  2915. OUTS (outf, dregs_lo (dst0));
  2916. OUTS (outf, " = ");
  2917. OUTS (outf, dregs (src0));
  2918. OUTS (outf, " - ");
  2919. OUTS (outf, dregs (src1));
  2920. OUTS (outf, " (RND20)");
  2921. }
  2922. else if (x == 0 && HL == 1 && aop == 0 && aopcde == 5)
  2923. {
  2924. OUTS (outf, dregs_hi (dst0));
  2925. OUTS (outf, " = ");
  2926. OUTS (outf, dregs (src0));
  2927. OUTS (outf, " + ");
  2928. OUTS (outf, dregs (src1));
  2929. OUTS (outf, " (RND12)");
  2930. }
  2931. else if (x == 1 && HL == 0 && aop == 2 && aopcde == 5)
  2932. {
  2933. OUTS (outf, dregs_lo (dst0));
  2934. OUTS (outf, " = ");
  2935. OUTS (outf, dregs (src0));
  2936. OUTS (outf, " + ");
  2937. OUTS (outf, dregs (src1));
  2938. OUTS (outf, " (RND20)");
  2939. }
  2940. else if (x == 0 && HL == 1 && aop == 1 && aopcde == 5)
  2941. {
  2942. OUTS (outf, dregs_hi (dst0));
  2943. OUTS (outf, " = ");
  2944. OUTS (outf, dregs (src0));
  2945. OUTS (outf, " - ");
  2946. OUTS (outf, dregs (src1));
  2947. OUTS (outf, " (RND12)");
  2948. }
  2949. else if (HL == 1 && aop == 0 && aopcde == 2)
  2950. {
  2951. OUTS (outf, dregs_hi (dst0));
  2952. OUTS (outf, " = ");
  2953. OUTS (outf, dregs_lo (src0));
  2954. OUTS (outf, " + ");
  2955. OUTS (outf, dregs_lo (src1));
  2956. amod1 (s, x, outf);
  2957. }
  2958. else if (HL == 1 && aop == 1 && aopcde == 2)
  2959. {
  2960. OUTS (outf, dregs_hi (dst0));
  2961. OUTS (outf, " = ");
  2962. OUTS (outf, dregs_lo (src0));
  2963. OUTS (outf, " + ");
  2964. OUTS (outf, dregs_hi (src1));
  2965. amod1 (s, x, outf);
  2966. }
  2967. else if (HL == 1 && aop == 2 && aopcde == 2)
  2968. {
  2969. OUTS (outf, dregs_hi (dst0));
  2970. OUTS (outf, " = ");
  2971. OUTS (outf, dregs_hi (src0));
  2972. OUTS (outf, " + ");
  2973. OUTS (outf, dregs_lo (src1));
  2974. amod1 (s, x, outf);
  2975. }
  2976. else if (HL == 1 && aop == 3 && aopcde == 2)
  2977. {
  2978. OUTS (outf, dregs_hi (dst0));
  2979. OUTS (outf, " = ");
  2980. OUTS (outf, dregs_hi (src0));
  2981. OUTS (outf, " + ");
  2982. OUTS (outf, dregs_hi (src1));
  2983. amod1 (s, x, outf);
  2984. }
  2985. else if (HL == 0 && aop == 0 && aopcde == 3)
  2986. {
  2987. OUTS (outf, dregs_lo (dst0));
  2988. OUTS (outf, " = ");
  2989. OUTS (outf, dregs_lo (src0));
  2990. OUTS (outf, " - ");
  2991. OUTS (outf, dregs_lo (src1));
  2992. amod1 (s, x, outf);
  2993. }
  2994. else if (HL == 0 && aop == 1 && aopcde == 3)
  2995. {
  2996. OUTS (outf, dregs_lo (dst0));
  2997. OUTS (outf, " = ");
  2998. OUTS (outf, dregs_lo (src0));
  2999. OUTS (outf, " - ");
  3000. OUTS (outf, dregs_hi (src1));
  3001. amod1 (s, x, outf);
  3002. }
  3003. else if (HL == 0 && aop == 3 && aopcde == 2)
  3004. {
  3005. OUTS (outf, dregs_lo (dst0));
  3006. OUTS (outf, " = ");
  3007. OUTS (outf, dregs_hi (src0));
  3008. OUTS (outf, " + ");
  3009. OUTS (outf, dregs_hi (src1));
  3010. amod1 (s, x, outf);
  3011. }
  3012. else if (HL == 1 && aop == 0 && aopcde == 3)
  3013. {
  3014. OUTS (outf, dregs_hi (dst0));
  3015. OUTS (outf, " = ");
  3016. OUTS (outf, dregs_lo (src0));
  3017. OUTS (outf, " - ");
  3018. OUTS (outf, dregs_lo (src1));
  3019. amod1 (s, x, outf);
  3020. }
  3021. else if (HL == 1 && aop == 1 && aopcde == 3)
  3022. {
  3023. OUTS (outf, dregs_hi (dst0));
  3024. OUTS (outf, " = ");
  3025. OUTS (outf, dregs_lo (src0));
  3026. OUTS (outf, " - ");
  3027. OUTS (outf, dregs_hi (src1));
  3028. amod1 (s, x, outf);
  3029. }
  3030. else if (HL == 1 && aop == 2 && aopcde == 3)
  3031. {
  3032. OUTS (outf, dregs_hi (dst0));
  3033. OUTS (outf, " = ");
  3034. OUTS (outf, dregs_hi (src0));
  3035. OUTS (outf, " - ");
  3036. OUTS (outf, dregs_lo (src1));
  3037. amod1 (s, x, outf);
  3038. }
  3039. else if (HL == 1 && aop == 3 && aopcde == 3)
  3040. {
  3041. OUTS (outf, dregs_hi (dst0));
  3042. OUTS (outf, " = ");
  3043. OUTS (outf, dregs_hi (src0));
  3044. OUTS (outf, " - ");
  3045. OUTS (outf, dregs_hi (src1));
  3046. amod1 (s, x, outf);
  3047. }
  3048. else if (HL == 0 && aop == 2 && aopcde == 2)
  3049. {
  3050. OUTS (outf, dregs_lo (dst0));
  3051. OUTS (outf, " = ");
  3052. OUTS (outf, dregs_hi (src0));
  3053. OUTS (outf, " + ");
  3054. OUTS (outf, dregs_lo (src1));
  3055. amod1 (s, x, outf);
  3056. }
  3057. else if (HL == 0 && aop == 1 && aopcde == 2)
  3058. {
  3059. OUTS (outf, dregs_lo (dst0));
  3060. OUTS (outf, " = ");
  3061. OUTS (outf, dregs_lo (src0));
  3062. OUTS (outf, " + ");
  3063. OUTS (outf, dregs_hi (src1));
  3064. amod1 (s, x, outf);
  3065. }
  3066. else if (HL == 0 && aop == 2 && aopcde == 3)
  3067. {
  3068. OUTS (outf, dregs_lo (dst0));
  3069. OUTS (outf, " = ");
  3070. OUTS (outf, dregs_hi (src0));
  3071. OUTS (outf, " - ");
  3072. OUTS (outf, dregs_lo (src1));
  3073. amod1 (s, x, outf);
  3074. }
  3075. else if (HL == 0 && aop == 3 && aopcde == 3)
  3076. {
  3077. OUTS (outf, dregs_lo (dst0));
  3078. OUTS (outf, " = ");
  3079. OUTS (outf, dregs_hi (src0));
  3080. OUTS (outf, " - ");
  3081. OUTS (outf, dregs_hi (src1));
  3082. amod1 (s, x, outf);
  3083. }
  3084. else if (HL == 0 && aop == 0 && aopcde == 2)
  3085. {
  3086. OUTS (outf, dregs_lo (dst0));
  3087. OUTS (outf, " = ");
  3088. OUTS (outf, dregs_lo (src0));
  3089. OUTS (outf, " + ");
  3090. OUTS (outf, dregs_lo (src1));
  3091. amod1 (s, x, outf);
  3092. }
  3093. else if (aop == 0 && aopcde == 9 && s == 1)
  3094. {
  3095. OUTS (outf, "A0 = ");
  3096. OUTS (outf, dregs (src0));
  3097. }
  3098. else if (aop == 3 && aopcde == 11 && s == 0)
  3099. OUTS (outf, "A0 -= A1");
  3100. else if (aop == 3 && aopcde == 11 && s == 1)
  3101. OUTS (outf, "A0 -= A1 (W32)");
  3102. else if (aop == 1 && aopcde == 22 && HL == 1)
  3103. {
  3104. OUTS (outf, dregs (dst0));
  3105. OUTS (outf, " = BYTEOP2P (");
  3106. OUTS (outf, dregs (src0 + 1));
  3107. OUTS (outf, ":");
  3108. OUTS (outf, imm5d (src0));
  3109. OUTS (outf, ", ");
  3110. OUTS (outf, dregs (src1 + 1));
  3111. OUTS (outf, ":");
  3112. OUTS (outf, imm5d (src1));
  3113. OUTS (outf, ") (TH");
  3114. if (s == 1)
  3115. OUTS (outf, ", R)");
  3116. else
  3117. OUTS (outf, ")");
  3118. }
  3119. else if (aop == 1 && aopcde == 22 && HL == 0)
  3120. {
  3121. OUTS (outf, dregs (dst0));
  3122. OUTS (outf, " = BYTEOP2P (");
  3123. OUTS (outf, dregs (src0 + 1));
  3124. OUTS (outf, ":");
  3125. OUTS (outf, imm5d (src0));
  3126. OUTS (outf, ", ");
  3127. OUTS (outf, dregs (src1 + 1));
  3128. OUTS (outf, ":");
  3129. OUTS (outf, imm5d (src1));
  3130. OUTS (outf, ") (TL");
  3131. if (s == 1)
  3132. OUTS (outf, ", R)");
  3133. else
  3134. OUTS (outf, ")");
  3135. }
  3136. else if (aop == 0 && aopcde == 22 && HL == 1)
  3137. {
  3138. OUTS (outf, dregs (dst0));
  3139. OUTS (outf, " = BYTEOP2P (");
  3140. OUTS (outf, dregs (src0 + 1));
  3141. OUTS (outf, ":");
  3142. OUTS (outf, imm5d (src0));
  3143. OUTS (outf, ", ");
  3144. OUTS (outf, dregs (src1 + 1));
  3145. OUTS (outf, ":");
  3146. OUTS (outf, imm5d (src1));
  3147. OUTS (outf, ") (RNDH");
  3148. if (s == 1)
  3149. OUTS (outf, ", R)");
  3150. else
  3151. OUTS (outf, ")");
  3152. }
  3153. else if (aop == 0 && aopcde == 22 && HL == 0)
  3154. {
  3155. OUTS (outf, dregs (dst0));
  3156. OUTS (outf, " = BYTEOP2P (");
  3157. OUTS (outf, dregs (src0 + 1));
  3158. OUTS (outf, ":");
  3159. OUTS (outf, imm5d (src0));
  3160. OUTS (outf, ", ");
  3161. OUTS (outf, dregs (src1 + 1));
  3162. OUTS (outf, ":");
  3163. OUTS (outf, imm5d (src1));
  3164. OUTS (outf, ") (RNDL");
  3165. if (s == 1)
  3166. OUTS (outf, ", R)");
  3167. else
  3168. OUTS (outf, ")");
  3169. }
  3170. else if (aop == 0 && s == 0 && aopcde == 8)
  3171. OUTS (outf, "A0 = 0");
  3172. else if (aop == 0 && s == 1 && aopcde == 8)
  3173. OUTS (outf, "A0 = A0 (S)");
  3174. else if (aop == 1 && s == 0 && aopcde == 8)
  3175. OUTS (outf, "A1 = 0");
  3176. else if (aop == 1 && s == 1 && aopcde == 8)
  3177. OUTS (outf, "A1 = A1 (S)");
  3178. else if (aop == 2 && s == 0 && aopcde == 8)
  3179. OUTS (outf, "A1 = A0 = 0");
  3180. else if (aop == 2 && s == 1 && aopcde == 8)
  3181. OUTS (outf, "A1 = A1 (S), A0 = A0 (S)");
  3182. else if (aop == 3 && s == 0 && aopcde == 8)
  3183. OUTS (outf, "A0 = A1");
  3184. else if (aop == 3 && s == 1 && aopcde == 8)
  3185. OUTS (outf, "A1 = A0");
  3186. else if (aop == 1 && aopcde == 9 && s == 0)
  3187. {
  3188. OUTS (outf, "A0.X = ");
  3189. OUTS (outf, dregs_lo (src0));
  3190. }
  3191. else if (aop == 1 && HL == 0 && aopcde == 11)
  3192. {
  3193. OUTS (outf, dregs_lo (dst0));
  3194. OUTS (outf, " = (A0 += A1)");
  3195. }
  3196. else if (aop == 3 && HL == 0 && aopcde == 16)
  3197. OUTS (outf, "A1 = ABS A1, A0 = ABS A0");
  3198. else if (aop == 0 && aopcde == 23 && HL == 1)
  3199. {
  3200. OUTS (outf, dregs (dst0));
  3201. OUTS (outf, " = BYTEOP3P (");
  3202. OUTS (outf, dregs (src0 + 1));
  3203. OUTS (outf, ":");
  3204. OUTS (outf, imm5d (src0));
  3205. OUTS (outf, ", ");
  3206. OUTS (outf, dregs (src1 + 1));
  3207. OUTS (outf, ":");
  3208. OUTS (outf, imm5d (src1));
  3209. OUTS (outf, ") (HI");
  3210. if (s == 1)
  3211. OUTS (outf, ", R)");
  3212. else
  3213. OUTS (outf, ")");
  3214. }
  3215. else if (aop == 3 && aopcde == 9 && s == 0)
  3216. {
  3217. OUTS (outf, "A1.X = ");
  3218. OUTS (outf, dregs_lo (src0));
  3219. }
  3220. else if (aop == 1 && HL == 1 && aopcde == 16)
  3221. OUTS (outf, "A1 = ABS A1");
  3222. else if (aop == 0 && HL == 1 && aopcde == 16)
  3223. OUTS (outf, "A1 = ABS A0");
  3224. else if (aop == 2 && aopcde == 9 && s == 1)
  3225. {
  3226. OUTS (outf, "A1 = ");
  3227. OUTS (outf, dregs (src0));
  3228. }
  3229. else if (HL == 0 && aop == 3 && aopcde == 12)
  3230. {
  3231. OUTS (outf, dregs_lo (dst0));
  3232. OUTS (outf, " = ");
  3233. OUTS (outf, dregs (src0));
  3234. OUTS (outf, " (RND)");
  3235. }
  3236. else if (aop == 1 && HL == 0 && aopcde == 16)
  3237. OUTS (outf, "A0 = ABS A1");
  3238. else if (aop == 0 && HL == 0 && aopcde == 16)
  3239. OUTS (outf, "A0 = ABS A0");
  3240. else if (aop == 3 && HL == 0 && aopcde == 15)
  3241. {
  3242. OUTS (outf, dregs (dst0));
  3243. OUTS (outf, " = -");
  3244. OUTS (outf, dregs (src0));
  3245. OUTS (outf, " (V)");
  3246. }
  3247. else if (aop == 3 && s == 1 && HL == 0 && aopcde == 7)
  3248. {
  3249. OUTS (outf, dregs (dst0));
  3250. OUTS (outf, " = -");
  3251. OUTS (outf, dregs (src0));
  3252. OUTS (outf, " (S)");
  3253. }
  3254. else if (aop == 3 && s == 0 && HL == 0 && aopcde == 7)
  3255. {
  3256. OUTS (outf, dregs (dst0));
  3257. OUTS (outf, " = -");
  3258. OUTS (outf, dregs (src0));
  3259. OUTS (outf, " (NS)");
  3260. }
  3261. else if (aop == 1 && HL == 1 && aopcde == 11)
  3262. {
  3263. OUTS (outf, dregs_hi (dst0));
  3264. OUTS (outf, " = (A0 += A1)");
  3265. }
  3266. else if (aop == 2 && aopcde == 11 && s == 0)
  3267. OUTS (outf, "A0 += A1");
  3268. else if (aop == 2 && aopcde == 11 && s == 1)
  3269. OUTS (outf, "A0 += A1 (W32)");
  3270. else if (aop == 3 && HL == 0 && aopcde == 14)
  3271. OUTS (outf, "A1 = -A1, A0 = -A0");
  3272. else if (HL == 1 && aop == 3 && aopcde == 12)
  3273. {
  3274. OUTS (outf, dregs_hi (dst0));
  3275. OUTS (outf, " = ");
  3276. OUTS (outf, dregs (src0));
  3277. OUTS (outf, " (RND)");
  3278. }
  3279. else if (aop == 0 && aopcde == 23 && HL == 0)
  3280. {
  3281. OUTS (outf, dregs (dst0));
  3282. OUTS (outf, " = BYTEOP3P (");
  3283. OUTS (outf, dregs (src0 + 1));
  3284. OUTS (outf, ":");
  3285. OUTS (outf, imm5d (src0));
  3286. OUTS (outf, ", ");
  3287. OUTS (outf, dregs (src1 + 1));
  3288. OUTS (outf, ":");
  3289. OUTS (outf, imm5d (src1));
  3290. OUTS (outf, ") (LO");
  3291. if (s == 1)
  3292. OUTS (outf, ", R)");
  3293. else
  3294. OUTS (outf, ")");
  3295. }
  3296. else if (aop == 0 && HL == 0 && aopcde == 14)
  3297. OUTS (outf, "A0 = -A0");
  3298. else if (aop == 1 && HL == 0 && aopcde == 14)
  3299. OUTS (outf, "A0 = -A1");
  3300. else if (aop == 0 && HL == 1 && aopcde == 14)
  3301. OUTS (outf, "A1 = -A0");
  3302. else if (aop == 1 && HL == 1 && aopcde == 14)
  3303. OUTS (outf, "A1 = -A1");
  3304. else if (aop == 0 && aopcde == 12)
  3305. {
  3306. OUTS (outf, dregs_hi (dst0));
  3307. OUTS (outf, " = ");
  3308. OUTS (outf, dregs_lo (dst0));
  3309. OUTS (outf, " = SIGN (");
  3310. OUTS (outf, dregs_hi (src0));
  3311. OUTS (outf, ") * ");
  3312. OUTS (outf, dregs_hi (src1));
  3313. OUTS (outf, " + SIGN (");
  3314. OUTS (outf, dregs_lo (src0));
  3315. OUTS (outf, ") * ");
  3316. OUTS (outf, dregs_lo (src1));
  3317. }
  3318. else if (aop == 2 && aopcde == 0)
  3319. {
  3320. OUTS (outf, dregs (dst0));
  3321. OUTS (outf, " = ");
  3322. OUTS (outf, dregs (src0));
  3323. OUTS (outf, " -|+ ");
  3324. OUTS (outf, dregs (src1));
  3325. amod0 (s, x, outf);
  3326. }
  3327. else if (aop == 1 && aopcde == 12)
  3328. {
  3329. OUTS (outf, dregs (dst1));
  3330. OUTS (outf, " = A1.L + A1.H, ");
  3331. OUTS (outf, dregs (dst0));
  3332. OUTS (outf, " = A0.L + A0.H");
  3333. }
  3334. else if (aop == 2 && aopcde == 4)
  3335. {
  3336. OUTS (outf, dregs (dst1));
  3337. OUTS (outf, " = ");
  3338. OUTS (outf, dregs (src0));
  3339. OUTS (outf, " + ");
  3340. OUTS (outf, dregs (src1));
  3341. OUTS (outf, ", ");
  3342. OUTS (outf, dregs (dst0));
  3343. OUTS (outf, " = ");
  3344. OUTS (outf, dregs (src0));
  3345. OUTS (outf, " - ");
  3346. OUTS (outf, dregs (src1));
  3347. amod1 (s, x, outf);
  3348. }
  3349. else if (HL == 0 && aopcde == 1)
  3350. {
  3351. OUTS (outf, dregs (dst1));
  3352. OUTS (outf, " = ");
  3353. OUTS (outf, dregs (src0));
  3354. OUTS (outf, " +|+ ");
  3355. OUTS (outf, dregs (src1));
  3356. OUTS (outf, ", ");
  3357. OUTS (outf, dregs (dst0));
  3358. OUTS (outf, " = ");
  3359. OUTS (outf, dregs (src0));
  3360. OUTS (outf, " -|- ");
  3361. OUTS (outf, dregs (src1));
  3362. amod0amod2 (s, x, aop, outf);
  3363. }
  3364. else if (aop == 0 && aopcde == 11)
  3365. {
  3366. OUTS (outf, dregs (dst0));
  3367. OUTS (outf, " = (A0 += A1)");
  3368. }
  3369. else if (aop == 0 && aopcde == 10)
  3370. {
  3371. OUTS (outf, dregs_lo (dst0));
  3372. OUTS (outf, " = A0.X");
  3373. }
  3374. else if (aop == 1 && aopcde == 10)
  3375. {
  3376. OUTS (outf, dregs_lo (dst0));
  3377. OUTS (outf, " = A1.X");
  3378. }
  3379. else if (aop == 1 && aopcde == 0)
  3380. {
  3381. OUTS (outf, dregs (dst0));
  3382. OUTS (outf, " = ");
  3383. OUTS (outf, dregs (src0));
  3384. OUTS (outf, " +|- ");
  3385. OUTS (outf, dregs (src1));
  3386. amod0 (s, x, outf);
  3387. }
  3388. else if (aop == 3 && aopcde == 0)
  3389. {
  3390. OUTS (outf, dregs (dst0));
  3391. OUTS (outf, " = ");
  3392. OUTS (outf, dregs (src0));
  3393. OUTS (outf, " -|- ");
  3394. OUTS (outf, dregs (src1));
  3395. amod0 (s, x, outf);
  3396. }
  3397. else if (aop == 1 && aopcde == 4)
  3398. {
  3399. OUTS (outf, dregs (dst0));
  3400. OUTS (outf, " = ");
  3401. OUTS (outf, dregs (src0));
  3402. OUTS (outf, " - ");
  3403. OUTS (outf, dregs (src1));
  3404. amod1 (s, x, outf);
  3405. }
  3406. else if (aop == 0 && aopcde == 17)
  3407. {
  3408. OUTS (outf, dregs (dst1));
  3409. OUTS (outf, " = A1 + A0, ");
  3410. OUTS (outf, dregs (dst0));
  3411. OUTS (outf, " = A1 - A0");
  3412. amod1 (s, x, outf);
  3413. }
  3414. else if (aop == 1 && aopcde == 17)
  3415. {
  3416. OUTS (outf, dregs (dst1));
  3417. OUTS (outf, " = A0 + A1, ");
  3418. OUTS (outf, dregs (dst0));
  3419. OUTS (outf, " = A0 - A1");
  3420. amod1 (s, x, outf);
  3421. }
  3422. else if (aop == 0 && aopcde == 18)
  3423. {
  3424. OUTS (outf, "SAA (");
  3425. OUTS (outf, dregs (src0 + 1));
  3426. OUTS (outf, ":");
  3427. OUTS (outf, imm5d (src0));
  3428. OUTS (outf, ", ");
  3429. OUTS (outf, dregs (src1 + 1));
  3430. OUTS (outf, ":");
  3431. OUTS (outf, imm5d (src1));
  3432. OUTS (outf, ")");
  3433. aligndir (s, outf);
  3434. }
  3435. else if (aop == 3 && aopcde == 18)
  3436. OUTS (outf, "DISALGNEXCPT");
  3437. else if (aop == 0 && aopcde == 20)
  3438. {
  3439. OUTS (outf, dregs (dst0));
  3440. OUTS (outf, " = BYTEOP1P (");
  3441. OUTS (outf, dregs (src0 + 1));
  3442. OUTS (outf, ":");
  3443. OUTS (outf, imm5d (src0));
  3444. OUTS (outf, ", ");
  3445. OUTS (outf, dregs (src1 + 1));
  3446. OUTS (outf, ":");
  3447. OUTS (outf, imm5d (src1));
  3448. OUTS (outf, ")");
  3449. aligndir (s, outf);
  3450. }
  3451. else if (aop == 1 && aopcde == 20)
  3452. {
  3453. OUTS (outf, dregs (dst0));
  3454. OUTS (outf, " = BYTEOP1P (");
  3455. OUTS (outf, dregs (src0 + 1));
  3456. OUTS (outf, ":");
  3457. OUTS (outf, imm5d (src0));
  3458. OUTS (outf, ", ");
  3459. OUTS (outf, dregs (src1 + 1));
  3460. OUTS (outf, ":");
  3461. OUTS (outf, imm5d (src1));
  3462. OUTS (outf, ") (T");
  3463. if (s == 1)
  3464. OUTS (outf, ", R)");
  3465. else
  3466. OUTS (outf, ")");
  3467. }
  3468. else if (aop == 0 && aopcde == 21)
  3469. {
  3470. OUTS (outf, "(");
  3471. OUTS (outf, dregs (dst1));
  3472. OUTS (outf, ", ");
  3473. OUTS (outf, dregs (dst0));
  3474. OUTS (outf, ") = BYTEOP16P (");
  3475. OUTS (outf, dregs (src0 + 1));
  3476. OUTS (outf, ":");
  3477. OUTS (outf, imm5d (src0));
  3478. OUTS (outf, ", ");
  3479. OUTS (outf, dregs (src1 + 1));
  3480. OUTS (outf, ":");
  3481. OUTS (outf, imm5d (src1));
  3482. OUTS (outf, ")");
  3483. aligndir (s, outf);
  3484. }
  3485. else if (aop == 1 && aopcde == 21)
  3486. {
  3487. OUTS (outf, "(");
  3488. OUTS (outf, dregs (dst1));
  3489. OUTS (outf, ", ");
  3490. OUTS (outf, dregs (dst0));
  3491. OUTS (outf, ") = BYTEOP16M (");
  3492. OUTS (outf, dregs (src0 + 1));
  3493. OUTS (outf, ":");
  3494. OUTS (outf, imm5d (src0));
  3495. OUTS (outf, ", ");
  3496. OUTS (outf, dregs (src1 + 1));
  3497. OUTS (outf, ":");
  3498. OUTS (outf, imm5d (src1));
  3499. OUTS (outf, ")");
  3500. aligndir (s, outf);
  3501. }
  3502. else if (aop == 2 && aopcde == 7)
  3503. {
  3504. OUTS (outf, dregs (dst0));
  3505. OUTS (outf, " = ABS ");
  3506. OUTS (outf, dregs (src0));
  3507. }
  3508. else if (aop == 1 && aopcde == 7)
  3509. {
  3510. OUTS (outf, dregs (dst0));
  3511. OUTS (outf, " = MIN (");
  3512. OUTS (outf, dregs (src0));
  3513. OUTS (outf, ", ");
  3514. OUTS (outf, dregs (src1));
  3515. OUTS (outf, ")");
  3516. }
  3517. else if (aop == 0 && aopcde == 7)
  3518. {
  3519. OUTS (outf, dregs (dst0));
  3520. OUTS (outf, " = MAX (");
  3521. OUTS (outf, dregs (src0));
  3522. OUTS (outf, ", ");
  3523. OUTS (outf, dregs (src1));
  3524. OUTS (outf, ")");
  3525. }
  3526. else if (aop == 2 && aopcde == 6)
  3527. {
  3528. OUTS (outf, dregs (dst0));
  3529. OUTS (outf, " = ABS ");
  3530. OUTS (outf, dregs (src0));
  3531. OUTS (outf, " (V)");
  3532. }
  3533. else if (aop == 1 && aopcde == 6)
  3534. {
  3535. OUTS (outf, dregs (dst0));
  3536. OUTS (outf, " = MIN (");
  3537. OUTS (outf, dregs (src0));
  3538. OUTS (outf, ", ");
  3539. OUTS (outf, dregs (src1));
  3540. OUTS (outf, ") (V)");
  3541. }
  3542. else if (aop == 0 && aopcde == 6)
  3543. {
  3544. OUTS (outf, dregs (dst0));
  3545. OUTS (outf, " = MAX (");
  3546. OUTS (outf, dregs (src0));
  3547. OUTS (outf, ", ");
  3548. OUTS (outf, dregs (src1));
  3549. OUTS (outf, ") (V)");
  3550. }
  3551. else if (HL == 1 && aopcde == 1)
  3552. {
  3553. OUTS (outf, dregs (dst1));
  3554. OUTS (outf, " = ");
  3555. OUTS (outf, dregs (src0));
  3556. OUTS (outf, " +|- ");
  3557. OUTS (outf, dregs (src1));
  3558. OUTS (outf, ", ");
  3559. OUTS (outf, dregs (dst0));
  3560. OUTS (outf, " = ");
  3561. OUTS (outf, dregs (src0));
  3562. OUTS (outf, " -|+ ");
  3563. OUTS (outf, dregs (src1));
  3564. amod0amod2 (s, x, aop, outf);
  3565. }
  3566. else if (aop == 0 && aopcde == 4)
  3567. {
  3568. OUTS (outf, dregs (dst0));
  3569. OUTS (outf, " = ");
  3570. OUTS (outf, dregs (src0));
  3571. OUTS (outf, " + ");
  3572. OUTS (outf, dregs (src1));
  3573. amod1 (s, x, outf);
  3574. }
  3575. else if (aop == 0 && aopcde == 0)
  3576. {
  3577. OUTS (outf, dregs (dst0));
  3578. OUTS (outf, " = ");
  3579. OUTS (outf, dregs (src0));
  3580. OUTS (outf, " +|+ ");
  3581. OUTS (outf, dregs (src1));
  3582. amod0 (s, x, outf);
  3583. }
  3584. else if (aop == 0 && aopcde == 24)
  3585. {
  3586. OUTS (outf, dregs (dst0));
  3587. OUTS (outf, " = BYTEPACK (");
  3588. OUTS (outf, dregs (src0));
  3589. OUTS (outf, ", ");
  3590. OUTS (outf, dregs (src1));
  3591. OUTS (outf, ")");
  3592. }
  3593. else if (aop == 1 && aopcde == 24)
  3594. {
  3595. OUTS (outf, "(");
  3596. OUTS (outf, dregs (dst1));
  3597. OUTS (outf, ", ");
  3598. OUTS (outf, dregs (dst0));
  3599. OUTS (outf, ") = BYTEUNPACK ");
  3600. OUTS (outf, dregs (src0 + 1));
  3601. OUTS (outf, ":");
  3602. OUTS (outf, imm5d (src0));
  3603. aligndir (s, outf);
  3604. }
  3605. else if (aopcde == 13)
  3606. {
  3607. OUTS (outf, "(");
  3608. OUTS (outf, dregs (dst1));
  3609. OUTS (outf, ", ");
  3610. OUTS (outf, dregs (dst0));
  3611. OUTS (outf, ") = SEARCH ");
  3612. OUTS (outf, dregs (src0));
  3613. OUTS (outf, " (");
  3614. searchmod (aop, outf);
  3615. OUTS (outf, ")");
  3616. }
  3617. else
  3618. return 0;
  3619. return 4;
  3620. }
  3621. static int
  3622. decode_dsp32shift_0 (TIword iw0, TIword iw1, disassemble_info *outf)
  3623. {
  3624. /* dsp32shift
  3625. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  3626. | 1 | 1 | 0 | 0 |.M.| 1 | 1 | 0 | 0 | - | - |.sopcde............|
  3627. |.sop...|.HLs...|.dst0......| - | - | - |.src0......|.src1......|
  3628. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  3629. int HLs = ((iw1 >> DSP32Shift_HLs_bits) & DSP32Shift_HLs_mask);
  3630. int sop = ((iw1 >> DSP32Shift_sop_bits) & DSP32Shift_sop_mask);
  3631. int src0 = ((iw1 >> DSP32Shift_src0_bits) & DSP32Shift_src0_mask);
  3632. int src1 = ((iw1 >> DSP32Shift_src1_bits) & DSP32Shift_src1_mask);
  3633. int dst0 = ((iw1 >> DSP32Shift_dst0_bits) & DSP32Shift_dst0_mask);
  3634. int sopcde = ((iw0 >> (DSP32Shift_sopcde_bits - 16)) & DSP32Shift_sopcde_mask);
  3635. const char *acc01 = (HLs & 1) == 0 ? "A0" : "A1";
  3636. if (HLs == 0 && sop == 0 && sopcde == 0)
  3637. {
  3638. OUTS (outf, dregs_lo (dst0));
  3639. OUTS (outf, " = ASHIFT ");
  3640. OUTS (outf, dregs_lo (src1));
  3641. OUTS (outf, " BY ");
  3642. OUTS (outf, dregs_lo (src0));
  3643. }
  3644. else if (HLs == 1 && sop == 0 && sopcde == 0)
  3645. {
  3646. OUTS (outf, dregs_lo (dst0));
  3647. OUTS (outf, " = ASHIFT ");
  3648. OUTS (outf, dregs_hi (src1));
  3649. OUTS (outf, " BY ");
  3650. OUTS (outf, dregs_lo (src0));
  3651. }
  3652. else if (HLs == 2 && sop == 0 && sopcde == 0)
  3653. {
  3654. OUTS (outf, dregs_hi (dst0));
  3655. OUTS (outf, " = ASHIFT ");
  3656. OUTS (outf, dregs_lo (src1));
  3657. OUTS (outf, " BY ");
  3658. OUTS (outf, dregs_lo (src0));
  3659. }
  3660. else if (HLs == 3 && sop == 0 && sopcde == 0)
  3661. {
  3662. OUTS (outf, dregs_hi (dst0));
  3663. OUTS (outf, " = ASHIFT ");
  3664. OUTS (outf, dregs_hi (src1));
  3665. OUTS (outf, " BY ");
  3666. OUTS (outf, dregs_lo (src0));
  3667. }
  3668. else if (HLs == 0 && sop == 1 && sopcde == 0)
  3669. {
  3670. OUTS (outf, dregs_lo (dst0));
  3671. OUTS (outf, " = ASHIFT ");
  3672. OUTS (outf, dregs_lo (src1));
  3673. OUTS (outf, " BY ");
  3674. OUTS (outf, dregs_lo (src0));
  3675. OUTS (outf, " (S)");
  3676. }
  3677. else if (HLs == 1 && sop == 1 && sopcde == 0)
  3678. {
  3679. OUTS (outf, dregs_lo (dst0));
  3680. OUTS (outf, " = ASHIFT ");
  3681. OUTS (outf, dregs_hi (src1));
  3682. OUTS (outf, " BY ");
  3683. OUTS (outf, dregs_lo (src0));
  3684. OUTS (outf, " (S)");
  3685. }
  3686. else if (HLs == 2 && sop == 1 && sopcde == 0)
  3687. {
  3688. OUTS (outf, dregs_hi (dst0));
  3689. OUTS (outf, " = ASHIFT ");
  3690. OUTS (outf, dregs_lo (src1));
  3691. OUTS (outf, " BY ");
  3692. OUTS (outf, dregs_lo (src0));
  3693. OUTS (outf, " (S)");
  3694. }
  3695. else if (HLs == 3 && sop == 1 && sopcde == 0)
  3696. {
  3697. OUTS (outf, dregs_hi (dst0));
  3698. OUTS (outf, " = ASHIFT ");
  3699. OUTS (outf, dregs_hi (src1));
  3700. OUTS (outf, " BY ");
  3701. OUTS (outf, dregs_lo (src0));
  3702. OUTS (outf, " (S)");
  3703. }
  3704. else if (sop == 2 && sopcde == 0)
  3705. {
  3706. OUTS (outf, (HLs & 2) == 0 ? dregs_lo (dst0) : dregs_hi (dst0));
  3707. OUTS (outf, " = LSHIFT ");
  3708. OUTS (outf, (HLs & 1) == 0 ? dregs_lo (src1) : dregs_hi (src1));
  3709. OUTS (outf, " BY ");
  3710. OUTS (outf, dregs_lo (src0));
  3711. }
  3712. else if (sop == 0 && sopcde == 3)
  3713. {
  3714. OUTS (outf, acc01);
  3715. OUTS (outf, " = ASHIFT ");
  3716. OUTS (outf, acc01);
  3717. OUTS (outf, " BY ");
  3718. OUTS (outf, dregs_lo (src0));
  3719. }
  3720. else if (sop == 1 && sopcde == 3)
  3721. {
  3722. OUTS (outf, acc01);
  3723. OUTS (outf, " = LSHIFT ");
  3724. OUTS (outf, acc01);
  3725. OUTS (outf, " BY ");
  3726. OUTS (outf, dregs_lo (src0));
  3727. }
  3728. else if (sop == 2 && sopcde == 3)
  3729. {
  3730. OUTS (outf, acc01);
  3731. OUTS (outf, " = ROT ");
  3732. OUTS (outf, acc01);
  3733. OUTS (outf, " BY ");
  3734. OUTS (outf, dregs_lo (src0));
  3735. }
  3736. else if (sop == 3 && sopcde == 3)
  3737. {
  3738. OUTS (outf, dregs (dst0));
  3739. OUTS (outf, " = ROT ");
  3740. OUTS (outf, dregs (src1));
  3741. OUTS (outf, " BY ");
  3742. OUTS (outf, dregs_lo (src0));
  3743. }
  3744. else if (sop == 1 && sopcde == 1)
  3745. {
  3746. OUTS (outf, dregs (dst0));
  3747. OUTS (outf, " = ASHIFT ");
  3748. OUTS (outf, dregs (src1));
  3749. OUTS (outf, " BY ");
  3750. OUTS (outf, dregs_lo (src0));
  3751. OUTS (outf, " (V, S)");
  3752. }
  3753. else if (sop == 0 && sopcde == 1)
  3754. {
  3755. OUTS (outf, dregs (dst0));
  3756. OUTS (outf, " = ASHIFT ");
  3757. OUTS (outf, dregs (src1));
  3758. OUTS (outf, " BY ");
  3759. OUTS (outf, dregs_lo (src0));
  3760. OUTS (outf, " (V)");
  3761. }
  3762. else if (sop == 0 && sopcde == 2)
  3763. {
  3764. OUTS (outf, dregs (dst0));
  3765. OUTS (outf, " = ASHIFT ");
  3766. OUTS (outf, dregs (src1));
  3767. OUTS (outf, " BY ");
  3768. OUTS (outf, dregs_lo (src0));
  3769. }
  3770. else if (sop == 1 && sopcde == 2)
  3771. {
  3772. OUTS (outf, dregs (dst0));
  3773. OUTS (outf, " = ASHIFT ");
  3774. OUTS (outf, dregs (src1));
  3775. OUTS (outf, " BY ");
  3776. OUTS (outf, dregs_lo (src0));
  3777. OUTS (outf, " (S)");
  3778. }
  3779. else if (sop == 2 && sopcde == 2)
  3780. {
  3781. OUTS (outf, dregs (dst0));
  3782. OUTS (outf, " = LSHIFT ");
  3783. OUTS (outf, dregs (src1));
  3784. OUTS (outf, " BY ");
  3785. OUTS (outf, dregs_lo (src0));
  3786. }
  3787. else if (sop == 3 && sopcde == 2)
  3788. {
  3789. OUTS (outf, dregs (dst0));
  3790. OUTS (outf, " = ROT ");
  3791. OUTS (outf, dregs (src1));
  3792. OUTS (outf, " BY ");
  3793. OUTS (outf, dregs_lo (src0));
  3794. }
  3795. else if (sop == 2 && sopcde == 1)
  3796. {
  3797. OUTS (outf, dregs (dst0));
  3798. OUTS (outf, " = LSHIFT ");
  3799. OUTS (outf, dregs (src1));
  3800. OUTS (outf, " BY ");
  3801. OUTS (outf, dregs_lo (src0));
  3802. OUTS (outf, " (V)");
  3803. }
  3804. else if (sop == 0 && sopcde == 4)
  3805. {
  3806. OUTS (outf, dregs (dst0));
  3807. OUTS (outf, " = PACK (");
  3808. OUTS (outf, dregs_lo (src1));
  3809. OUTS (outf, ", ");
  3810. OUTS (outf, dregs_lo (src0));
  3811. OUTS (outf, ")");
  3812. }
  3813. else if (sop == 1 && sopcde == 4)
  3814. {
  3815. OUTS (outf, dregs (dst0));
  3816. OUTS (outf, " = PACK (");
  3817. OUTS (outf, dregs_lo (src1));
  3818. OUTS (outf, ", ");
  3819. OUTS (outf, dregs_hi (src0));
  3820. OUTS (outf, ")");
  3821. }
  3822. else if (sop == 2 && sopcde == 4)
  3823. {
  3824. OUTS (outf, dregs (dst0));
  3825. OUTS (outf, " = PACK (");
  3826. OUTS (outf, dregs_hi (src1));
  3827. OUTS (outf, ", ");
  3828. OUTS (outf, dregs_lo (src0));
  3829. OUTS (outf, ")");
  3830. }
  3831. else if (sop == 3 && sopcde == 4)
  3832. {
  3833. OUTS (outf, dregs (dst0));
  3834. OUTS (outf, " = PACK (");
  3835. OUTS (outf, dregs_hi (src1));
  3836. OUTS (outf, ", ");
  3837. OUTS (outf, dregs_hi (src0));
  3838. OUTS (outf, ")");
  3839. }
  3840. else if (sop == 0 && sopcde == 5)
  3841. {
  3842. OUTS (outf, dregs_lo (dst0));
  3843. OUTS (outf, " = SIGNBITS ");
  3844. OUTS (outf, dregs (src1));
  3845. }
  3846. else if (sop == 1 && sopcde == 5)
  3847. {
  3848. OUTS (outf, dregs_lo (dst0));
  3849. OUTS (outf, " = SIGNBITS ");
  3850. OUTS (outf, dregs_lo (src1));
  3851. }
  3852. else if (sop == 2 && sopcde == 5)
  3853. {
  3854. OUTS (outf, dregs_lo (dst0));
  3855. OUTS (outf, " = SIGNBITS ");
  3856. OUTS (outf, dregs_hi (src1));
  3857. }
  3858. else if (sop == 0 && sopcde == 6)
  3859. {
  3860. OUTS (outf, dregs_lo (dst0));
  3861. OUTS (outf, " = SIGNBITS A0");
  3862. }
  3863. else if (sop == 1 && sopcde == 6)
  3864. {
  3865. OUTS (outf, dregs_lo (dst0));
  3866. OUTS (outf, " = SIGNBITS A1");
  3867. }
  3868. else if (sop == 3 && sopcde == 6)
  3869. {
  3870. OUTS (outf, dregs_lo (dst0));
  3871. OUTS (outf, " = ONES ");
  3872. OUTS (outf, dregs (src1));
  3873. }
  3874. else if (sop == 0 && sopcde == 7)
  3875. {
  3876. OUTS (outf, dregs_lo (dst0));
  3877. OUTS (outf, " = EXPADJ (");
  3878. OUTS (outf, dregs (src1));
  3879. OUTS (outf, ", ");
  3880. OUTS (outf, dregs_lo (src0));
  3881. OUTS (outf, ")");
  3882. }
  3883. else if (sop == 1 && sopcde == 7)
  3884. {
  3885. OUTS (outf, dregs_lo (dst0));
  3886. OUTS (outf, " = EXPADJ (");
  3887. OUTS (outf, dregs (src1));
  3888. OUTS (outf, ", ");
  3889. OUTS (outf, dregs_lo (src0));
  3890. OUTS (outf, ") (V)");
  3891. }
  3892. else if (sop == 2 && sopcde == 7)
  3893. {
  3894. OUTS (outf, dregs_lo (dst0));
  3895. OUTS (outf, " = EXPADJ (");
  3896. OUTS (outf, dregs_lo (src1));
  3897. OUTS (outf, ", ");
  3898. OUTS (outf, dregs_lo (src0));
  3899. OUTS (outf, ")");
  3900. }
  3901. else if (sop == 3 && sopcde == 7)
  3902. {
  3903. OUTS (outf, dregs_lo (dst0));
  3904. OUTS (outf, " = EXPADJ (");
  3905. OUTS (outf, dregs_hi (src1));
  3906. OUTS (outf, ", ");
  3907. OUTS (outf, dregs_lo (src0));
  3908. OUTS (outf, ")");
  3909. }
  3910. else if (sop == 0 && sopcde == 8)
  3911. {
  3912. OUTS (outf, "BITMUX (");
  3913. OUTS (outf, dregs (src0));
  3914. OUTS (outf, ", ");
  3915. OUTS (outf, dregs (src1));
  3916. OUTS (outf, ", A0) (ASR)");
  3917. }
  3918. else if (sop == 1 && sopcde == 8)
  3919. {
  3920. OUTS (outf, "BITMUX (");
  3921. OUTS (outf, dregs (src0));
  3922. OUTS (outf, ", ");
  3923. OUTS (outf, dregs (src1));
  3924. OUTS (outf, ", A0) (ASL)");
  3925. }
  3926. else if (sop == 0 && sopcde == 9)
  3927. {
  3928. OUTS (outf, dregs_lo (dst0));
  3929. OUTS (outf, " = VIT_MAX (");
  3930. OUTS (outf, dregs (src1));
  3931. OUTS (outf, ") (ASL)");
  3932. }
  3933. else if (sop == 1 && sopcde == 9)
  3934. {
  3935. OUTS (outf, dregs_lo (dst0));
  3936. OUTS (outf, " = VIT_MAX (");
  3937. OUTS (outf, dregs (src1));
  3938. OUTS (outf, ") (ASR)");
  3939. }
  3940. else if (sop == 2 && sopcde == 9)
  3941. {
  3942. OUTS (outf, dregs (dst0));
  3943. OUTS (outf, " = VIT_MAX (");
  3944. OUTS (outf, dregs (src1));
  3945. OUTS (outf, ", ");
  3946. OUTS (outf, dregs (src0));
  3947. OUTS (outf, ") (ASL)");
  3948. }
  3949. else if (sop == 3 && sopcde == 9)
  3950. {
  3951. OUTS (outf, dregs (dst0));
  3952. OUTS (outf, " = VIT_MAX (");
  3953. OUTS (outf, dregs (src1));
  3954. OUTS (outf, ", ");
  3955. OUTS (outf, dregs (src0));
  3956. OUTS (outf, ") (ASR)");
  3957. }
  3958. else if (sop == 0 && sopcde == 10)
  3959. {
  3960. OUTS (outf, dregs (dst0));
  3961. OUTS (outf, " = EXTRACT (");
  3962. OUTS (outf, dregs (src1));
  3963. OUTS (outf, ", ");
  3964. OUTS (outf, dregs_lo (src0));
  3965. OUTS (outf, ") (Z)");
  3966. }
  3967. else if (sop == 1 && sopcde == 10)
  3968. {
  3969. OUTS (outf, dregs (dst0));
  3970. OUTS (outf, " = EXTRACT (");
  3971. OUTS (outf, dregs (src1));
  3972. OUTS (outf, ", ");
  3973. OUTS (outf, dregs_lo (src0));
  3974. OUTS (outf, ") (X)");
  3975. }
  3976. else if (sop == 2 && sopcde == 10)
  3977. {
  3978. OUTS (outf, dregs (dst0));
  3979. OUTS (outf, " = DEPOSIT (");
  3980. OUTS (outf, dregs (src1));
  3981. OUTS (outf, ", ");
  3982. OUTS (outf, dregs (src0));
  3983. OUTS (outf, ")");
  3984. }
  3985. else if (sop == 3 && sopcde == 10)
  3986. {
  3987. OUTS (outf, dregs (dst0));
  3988. OUTS (outf, " = DEPOSIT (");
  3989. OUTS (outf, dregs (src1));
  3990. OUTS (outf, ", ");
  3991. OUTS (outf, dregs (src0));
  3992. OUTS (outf, ") (X)");
  3993. }
  3994. else if (sop == 0 && sopcde == 11)
  3995. {
  3996. OUTS (outf, dregs_lo (dst0));
  3997. OUTS (outf, " = CC = BXORSHIFT (A0, ");
  3998. OUTS (outf, dregs (src0));
  3999. OUTS (outf, ")");
  4000. }
  4001. else if (sop == 1 && sopcde == 11)
  4002. {
  4003. OUTS (outf, dregs_lo (dst0));
  4004. OUTS (outf, " = CC = BXOR (A0, ");
  4005. OUTS (outf, dregs (src0));
  4006. OUTS (outf, ")");
  4007. }
  4008. else if (sop == 0 && sopcde == 12)
  4009. OUTS (outf, "A0 = BXORSHIFT (A0, A1, CC)");
  4010. else if (sop == 1 && sopcde == 12)
  4011. {
  4012. OUTS (outf, dregs_lo (dst0));
  4013. OUTS (outf, " = CC = BXOR (A0, A1, CC)");
  4014. }
  4015. else if (sop == 0 && sopcde == 13)
  4016. {
  4017. OUTS (outf, dregs (dst0));
  4018. OUTS (outf, " = ALIGN8 (");
  4019. OUTS (outf, dregs (src1));
  4020. OUTS (outf, ", ");
  4021. OUTS (outf, dregs (src0));
  4022. OUTS (outf, ")");
  4023. }
  4024. else if (sop == 1 && sopcde == 13)
  4025. {
  4026. OUTS (outf, dregs (dst0));
  4027. OUTS (outf, " = ALIGN16 (");
  4028. OUTS (outf, dregs (src1));
  4029. OUTS (outf, ", ");
  4030. OUTS (outf, dregs (src0));
  4031. OUTS (outf, ")");
  4032. }
  4033. else if (sop == 2 && sopcde == 13)
  4034. {
  4035. OUTS (outf, dregs (dst0));
  4036. OUTS (outf, " = ALIGN24 (");
  4037. OUTS (outf, dregs (src1));
  4038. OUTS (outf, ", ");
  4039. OUTS (outf, dregs (src0));
  4040. OUTS (outf, ")");
  4041. }
  4042. else
  4043. return 0;
  4044. return 4;
  4045. }
  4046. static int
  4047. decode_dsp32shiftimm_0 (TIword iw0, TIword iw1, disassemble_info *outf)
  4048. {
  4049. /* dsp32shiftimm
  4050. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  4051. | 1 | 1 | 0 | 0 |.M.| 1 | 1 | 0 | 1 | - | - |.sopcde............|
  4052. |.sop...|.HLs...|.dst0......|.immag.................|.src1......|
  4053. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  4054. int src1 = ((iw1 >> DSP32ShiftImm_src1_bits) & DSP32ShiftImm_src1_mask);
  4055. int sop = ((iw1 >> DSP32ShiftImm_sop_bits) & DSP32ShiftImm_sop_mask);
  4056. int bit8 = ((iw1 >> 8) & 0x1);
  4057. int immag = ((iw1 >> DSP32ShiftImm_immag_bits) & DSP32ShiftImm_immag_mask);
  4058. int newimmag = (-(iw1 >> DSP32ShiftImm_immag_bits) & DSP32ShiftImm_immag_mask);
  4059. int dst0 = ((iw1 >> DSP32ShiftImm_dst0_bits) & DSP32ShiftImm_dst0_mask);
  4060. int sopcde = ((iw0 >> (DSP32ShiftImm_sopcde_bits - 16)) & DSP32ShiftImm_sopcde_mask);
  4061. int HLs = ((iw1 >> DSP32ShiftImm_HLs_bits) & DSP32ShiftImm_HLs_mask);
  4062. if (sop == 0 && sopcde == 0)
  4063. {
  4064. OUTS (outf, (HLs & 2) ? dregs_hi (dst0) : dregs_lo (dst0));
  4065. OUTS (outf, " = ");
  4066. OUTS (outf, (HLs & 1) ? dregs_hi (src1) : dregs_lo (src1));
  4067. OUTS (outf, " >>> ");
  4068. OUTS (outf, uimm4 (newimmag));
  4069. }
  4070. else if (sop == 1 && sopcde == 0 && bit8 == 0)
  4071. {
  4072. OUTS (outf, (HLs & 2) ? dregs_hi (dst0) : dregs_lo (dst0));
  4073. OUTS (outf, " = ");
  4074. OUTS (outf, (HLs & 1) ? dregs_hi (src1) : dregs_lo (src1));
  4075. OUTS (outf, " << ");
  4076. OUTS (outf, uimm4 (immag));
  4077. OUTS (outf, " (S)");
  4078. }
  4079. else if (sop == 1 && sopcde == 0 && bit8 == 1)
  4080. {
  4081. OUTS (outf, (HLs & 2) ? dregs_hi (dst0) : dregs_lo (dst0));
  4082. OUTS (outf, " = ");
  4083. OUTS (outf, (HLs & 1) ? dregs_hi (src1) : dregs_lo (src1));
  4084. OUTS (outf, " >>> ");
  4085. OUTS (outf, uimm4 (newimmag));
  4086. OUTS (outf, " (S)");
  4087. }
  4088. else if (sop == 2 && sopcde == 0 && bit8 == 0)
  4089. {
  4090. OUTS (outf, (HLs & 2) ? dregs_hi (dst0) : dregs_lo (dst0));
  4091. OUTS (outf, " = ");
  4092. OUTS (outf, (HLs & 1) ? dregs_hi (src1) : dregs_lo (src1));
  4093. OUTS (outf, " << ");
  4094. OUTS (outf, uimm4 (immag));
  4095. }
  4096. else if (sop == 2 && sopcde == 0 && bit8 == 1)
  4097. {
  4098. OUTS (outf, (HLs & 2) ? dregs_hi (dst0) : dregs_lo (dst0));
  4099. OUTS (outf, " = ");
  4100. OUTS (outf, (HLs & 1) ? dregs_hi (src1) : dregs_lo (src1));
  4101. OUTS (outf, " >> ");
  4102. OUTS (outf, uimm4 (newimmag));
  4103. }
  4104. else if (sop == 2 && sopcde == 3 && HLs == 1)
  4105. {
  4106. OUTS (outf, "A1 = ROT A1 BY ");
  4107. OUTS (outf, imm6 (immag));
  4108. }
  4109. else if (sop == 0 && sopcde == 3 && HLs == 0 && bit8 == 0)
  4110. {
  4111. OUTS (outf, "A0 = A0 << ");
  4112. OUTS (outf, uimm5 (immag));
  4113. }
  4114. else if (sop == 0 && sopcde == 3 && HLs == 0 && bit8 == 1)
  4115. {
  4116. OUTS (outf, "A0 = A0 >>> ");
  4117. OUTS (outf, uimm5 (newimmag));
  4118. }
  4119. else if (sop == 0 && sopcde == 3 && HLs == 1 && bit8 == 0)
  4120. {
  4121. OUTS (outf, "A1 = A1 << ");
  4122. OUTS (outf, uimm5 (immag));
  4123. }
  4124. else if (sop == 0 && sopcde == 3 && HLs == 1 && bit8 == 1)
  4125. {
  4126. OUTS (outf, "A1 = A1 >>> ");
  4127. OUTS (outf, uimm5 (newimmag));
  4128. }
  4129. else if (sop == 1 && sopcde == 3 && HLs == 0)
  4130. {
  4131. OUTS (outf, "A0 = A0 >> ");
  4132. OUTS (outf, uimm5 (newimmag));
  4133. }
  4134. else if (sop == 1 && sopcde == 3 && HLs == 1)
  4135. {
  4136. OUTS (outf, "A1 = A1 >> ");
  4137. OUTS (outf, uimm5 (newimmag));
  4138. }
  4139. else if (sop == 2 && sopcde == 3 && HLs == 0)
  4140. {
  4141. OUTS (outf, "A0 = ROT A0 BY ");
  4142. OUTS (outf, imm6 (immag));
  4143. }
  4144. else if (sop == 1 && sopcde == 1 && bit8 == 0)
  4145. {
  4146. OUTS (outf, dregs (dst0));
  4147. OUTS (outf, " = ");
  4148. OUTS (outf, dregs (src1));
  4149. OUTS (outf, " << ");
  4150. OUTS (outf, uimm5 (immag));
  4151. OUTS (outf, " (V, S)");
  4152. }
  4153. else if (sop == 1 && sopcde == 1 && bit8 == 1)
  4154. {
  4155. OUTS (outf, dregs (dst0));
  4156. OUTS (outf, " = ");
  4157. OUTS (outf, dregs (src1));
  4158. OUTS (outf, " >>> ");
  4159. OUTS (outf, imm5 (-immag));
  4160. OUTS (outf, " (V, S)");
  4161. }
  4162. else if (sop == 2 && sopcde == 1 && bit8 == 1)
  4163. {
  4164. OUTS (outf, dregs (dst0));
  4165. OUTS (outf, " = ");
  4166. OUTS (outf, dregs (src1));
  4167. OUTS (outf, " >> ");
  4168. OUTS (outf, uimm5 (newimmag));
  4169. OUTS (outf, " (V)");
  4170. }
  4171. else if (sop == 2 && sopcde == 1 && bit8 == 0)
  4172. {
  4173. OUTS (outf, dregs (dst0));
  4174. OUTS (outf, " = ");
  4175. OUTS (outf, dregs (src1));
  4176. OUTS (outf, " << ");
  4177. OUTS (outf, imm5 (immag));
  4178. OUTS (outf, " (V)");
  4179. }
  4180. else if (sop == 0 && sopcde == 1)
  4181. {
  4182. OUTS (outf, dregs (dst0));
  4183. OUTS (outf, " = ");
  4184. OUTS (outf, dregs (src1));
  4185. OUTS (outf, " >>> ");
  4186. OUTS (outf, uimm5 (newimmag));
  4187. OUTS (outf, " (V)");
  4188. }
  4189. else if (sop == 1 && sopcde == 2)
  4190. {
  4191. OUTS (outf, dregs (dst0));
  4192. OUTS (outf, " = ");
  4193. OUTS (outf, dregs (src1));
  4194. OUTS (outf, " << ");
  4195. OUTS (outf, uimm5 (immag));
  4196. OUTS (outf, " (S)");
  4197. }
  4198. else if (sop == 2 && sopcde == 2 && bit8 == 1)
  4199. {
  4200. OUTS (outf, dregs (dst0));
  4201. OUTS (outf, " = ");
  4202. OUTS (outf, dregs (src1));
  4203. OUTS (outf, " >> ");
  4204. OUTS (outf, uimm5 (newimmag));
  4205. }
  4206. else if (sop == 2 && sopcde == 2 && bit8 == 0)
  4207. {
  4208. OUTS (outf, dregs (dst0));
  4209. OUTS (outf, " = ");
  4210. OUTS (outf, dregs (src1));
  4211. OUTS (outf, " << ");
  4212. OUTS (outf, uimm5 (immag));
  4213. }
  4214. else if (sop == 3 && sopcde == 2)
  4215. {
  4216. OUTS (outf, dregs (dst0));
  4217. OUTS (outf, " = ROT ");
  4218. OUTS (outf, dregs (src1));
  4219. OUTS (outf, " BY ");
  4220. OUTS (outf, imm6 (immag));
  4221. }
  4222. else if (sop == 0 && sopcde == 2)
  4223. {
  4224. OUTS (outf, dregs (dst0));
  4225. OUTS (outf, " = ");
  4226. OUTS (outf, dregs (src1));
  4227. OUTS (outf, " >>> ");
  4228. OUTS (outf, uimm5 (newimmag));
  4229. }
  4230. else
  4231. return 0;
  4232. return 4;
  4233. }
  4234. static int
  4235. decode_pseudoDEBUG_0 (TIword iw0, disassemble_info *outf)
  4236. {
  4237. struct private *priv = outf->private_data;
  4238. /* pseudoDEBUG
  4239. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  4240. | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |.fn....|.grp.......|.reg.......|
  4241. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  4242. int fn = ((iw0 >> PseudoDbg_fn_bits) & PseudoDbg_fn_mask);
  4243. int grp = ((iw0 >> PseudoDbg_grp_bits) & PseudoDbg_grp_mask);
  4244. int reg = ((iw0 >> PseudoDbg_reg_bits) & PseudoDbg_reg_mask);
  4245. if (priv->parallel)
  4246. return 0;
  4247. if (reg == 0 && fn == 3)
  4248. OUTS (outf, "DBG A0");
  4249. else if (reg == 1 && fn == 3)
  4250. OUTS (outf, "DBG A1");
  4251. else if (reg == 3 && fn == 3)
  4252. OUTS (outf, "ABORT");
  4253. else if (reg == 4 && fn == 3)
  4254. OUTS (outf, "HLT");
  4255. else if (reg == 5 && fn == 3)
  4256. OUTS (outf, "DBGHALT");
  4257. else if (reg == 6 && fn == 3)
  4258. {
  4259. OUTS (outf, "DBGCMPLX (");
  4260. OUTS (outf, dregs (grp));
  4261. OUTS (outf, ")");
  4262. }
  4263. else if (reg == 7 && fn == 3)
  4264. OUTS (outf, "DBG");
  4265. else if (grp == 0 && fn == 2)
  4266. {
  4267. OUTS (outf, "OUTC ");
  4268. OUTS (outf, dregs (reg));
  4269. }
  4270. else if (fn == 0)
  4271. {
  4272. OUTS (outf, "DBG ");
  4273. OUTS (outf, allregs (reg, grp));
  4274. }
  4275. else if (fn == 1)
  4276. {
  4277. OUTS (outf, "PRNT ");
  4278. OUTS (outf, allregs (reg, grp));
  4279. }
  4280. else
  4281. return 0;
  4282. return 2;
  4283. }
  4284. static int
  4285. decode_pseudoOChar_0 (TIword iw0, disassemble_info *outf)
  4286. {
  4287. struct private *priv = outf->private_data;
  4288. /* psedoOChar
  4289. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  4290. | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 |.ch............................|
  4291. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  4292. int ch = ((iw0 >> PseudoChr_ch_bits) & PseudoChr_ch_mask);
  4293. if (priv->parallel)
  4294. return 0;
  4295. OUTS (outf, "OUTC ");
  4296. OUTS (outf, uimm8 (ch));
  4297. return 2;
  4298. }
  4299. static int
  4300. decode_pseudodbg_assert_0 (TIword iw0, TIword iw1, disassemble_info *outf)
  4301. {
  4302. struct private *priv = outf->private_data;
  4303. /* pseudodbg_assert
  4304. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
  4305. | 1 | 1 | 1 | 1 | 0 | - | - | - | dbgop |.grp.......|.regtest...|
  4306. |.expected......................................................|
  4307. +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
  4308. int expected = ((iw1 >> PseudoDbg_Assert_expected_bits) & PseudoDbg_Assert_expected_mask);
  4309. int dbgop = ((iw0 >> (PseudoDbg_Assert_dbgop_bits - 16)) & PseudoDbg_Assert_dbgop_mask);
  4310. int grp = ((iw0 >> (PseudoDbg_Assert_grp_bits - 16)) & PseudoDbg_Assert_grp_mask);
  4311. int regtest = ((iw0 >> (PseudoDbg_Assert_regtest_bits - 16)) & PseudoDbg_Assert_regtest_mask);
  4312. if (priv->parallel)
  4313. return 0;
  4314. if (dbgop == 0)
  4315. {
  4316. OUTS (outf, "DBGA (");
  4317. OUTS (outf, regs_lo (regtest, grp));
  4318. OUTS (outf, ", ");
  4319. OUTS (outf, uimm16 (expected));
  4320. OUTS (outf, ")");
  4321. }
  4322. else if (dbgop == 1)
  4323. {
  4324. OUTS (outf, "DBGA (");
  4325. OUTS (outf, regs_hi (regtest, grp));
  4326. OUTS (outf, ", ");
  4327. OUTS (outf, uimm16 (expected));
  4328. OUTS (outf, ")");
  4329. }
  4330. else if (dbgop == 2)
  4331. {
  4332. OUTS (outf, "DBGAL (");
  4333. OUTS (outf, allregs (regtest, grp));
  4334. OUTS (outf, ", ");
  4335. OUTS (outf, uimm16 (expected));
  4336. OUTS (outf, ")");
  4337. }
  4338. else if (dbgop == 3)
  4339. {
  4340. OUTS (outf, "DBGAH (");
  4341. OUTS (outf, allregs (regtest, grp));
  4342. OUTS (outf, ", ");
  4343. OUTS (outf, uimm16 (expected));
  4344. OUTS (outf, ")");
  4345. }
  4346. else
  4347. return 0;
  4348. return 4;
  4349. }
  4350. static int
  4351. ifetch (bfd_vma pc, disassemble_info *outf, TIword *iw)
  4352. {
  4353. bfd_byte buf[2];
  4354. int status;
  4355. status = (*outf->read_memory_func) (pc, buf, 2, outf);
  4356. if (status != 0)
  4357. {
  4358. (*outf->memory_error_func) (status, pc, outf);
  4359. return -1;
  4360. }
  4361. *iw = bfd_getl16 (buf);
  4362. return 0;
  4363. }
  4364. static int
  4365. _print_insn_bfin (bfd_vma pc, disassemble_info *outf)
  4366. {
  4367. struct private *priv = outf->private_data;
  4368. TIword iw0;
  4369. TIword iw1;
  4370. int rv = 0;
  4371. /* The PC must be 16-bit aligned. */
  4372. if (pc & 1)
  4373. {
  4374. OUTS (outf, "ILLEGAL (UNALIGNED)");
  4375. /* For people dumping data, just re-align the return value. */
  4376. return 1;
  4377. }
  4378. if (ifetch (pc, outf, &iw0))
  4379. return -1;
  4380. priv->iw0 = iw0;
  4381. if (((iw0 & 0xc000) == 0xc000) && ((iw0 & 0xff00) != 0xf800))
  4382. {
  4383. /* 32-bit insn. */
  4384. if (ifetch (pc + 2, outf, &iw1))
  4385. return -1;
  4386. }
  4387. else
  4388. /* 16-bit insn. */
  4389. iw1 = 0;
  4390. if ((iw0 & 0xf7ff) == 0xc003 && iw1 == 0x1800)
  4391. {
  4392. if (priv->parallel)
  4393. {
  4394. OUTS (outf, "ILLEGAL");
  4395. return 0;
  4396. }
  4397. OUTS (outf, "MNOP");
  4398. return 4;
  4399. }
  4400. else if ((iw0 & 0xff00) == 0x0000)
  4401. rv = decode_ProgCtrl_0 (iw0, outf);
  4402. else if ((iw0 & 0xffc0) == 0x0240)
  4403. rv = decode_CaCTRL_0 (iw0, outf);
  4404. else if ((iw0 & 0xff80) == 0x0100)
  4405. rv = decode_PushPopReg_0 (iw0, outf);
  4406. else if ((iw0 & 0xfe00) == 0x0400)
  4407. rv = decode_PushPopMultiple_0 (iw0, outf);
  4408. else if ((iw0 & 0xfe00) == 0x0600)
  4409. rv = decode_ccMV_0 (iw0, outf);
  4410. else if ((iw0 & 0xf800) == 0x0800)
  4411. rv = decode_CCflag_0 (iw0, outf);
  4412. else if ((iw0 & 0xffe0) == 0x0200)
  4413. rv = decode_CC2dreg_0 (iw0, outf);
  4414. else if ((iw0 & 0xff00) == 0x0300)
  4415. rv = decode_CC2stat_0 (iw0, outf);
  4416. else if ((iw0 & 0xf000) == 0x1000)
  4417. rv = decode_BRCC_0 (iw0, pc, outf);
  4418. else if ((iw0 & 0xf000) == 0x2000)
  4419. rv = decode_UJUMP_0 (iw0, pc, outf);
  4420. else if ((iw0 & 0xf000) == 0x3000)
  4421. rv = decode_REGMV_0 (iw0, outf);
  4422. else if ((iw0 & 0xfc00) == 0x4000)
  4423. rv = decode_ALU2op_0 (iw0, outf);
  4424. else if ((iw0 & 0xfe00) == 0x4400)
  4425. rv = decode_PTR2op_0 (iw0, outf);
  4426. else if ((iw0 & 0xf800) == 0x4800)
  4427. rv = decode_LOGI2op_0 (iw0, outf);
  4428. else if ((iw0 & 0xf000) == 0x5000)
  4429. rv = decode_COMP3op_0 (iw0, outf);
  4430. else if ((iw0 & 0xf800) == 0x6000)
  4431. rv = decode_COMPI2opD_0 (iw0, outf);
  4432. else if ((iw0 & 0xf800) == 0x6800)
  4433. rv = decode_COMPI2opP_0 (iw0, outf);
  4434. else if ((iw0 & 0xf000) == 0x8000)
  4435. rv = decode_LDSTpmod_0 (iw0, outf);
  4436. else if ((iw0 & 0xff60) == 0x9e60)
  4437. rv = decode_dagMODim_0 (iw0, outf);
  4438. else if ((iw0 & 0xfff0) == 0x9f60)
  4439. rv = decode_dagMODik_0 (iw0, outf);
  4440. else if ((iw0 & 0xfc00) == 0x9c00)
  4441. rv = decode_dspLDST_0 (iw0, outf);
  4442. else if ((iw0 & 0xf000) == 0x9000)
  4443. rv = decode_LDST_0 (iw0, outf);
  4444. else if ((iw0 & 0xfc00) == 0xb800)
  4445. rv = decode_LDSTiiFP_0 (iw0, outf);
  4446. else if ((iw0 & 0xe000) == 0xA000)
  4447. rv = decode_LDSTii_0 (iw0, outf);
  4448. else if ((iw0 & 0xff80) == 0xe080 && (iw1 & 0x0C00) == 0x0000)
  4449. rv = decode_LoopSetup_0 (iw0, iw1, pc, outf);
  4450. else if ((iw0 & 0xff00) == 0xe100 && (iw1 & 0x0000) == 0x0000)
  4451. rv = decode_LDIMMhalf_0 (iw0, iw1, outf);
  4452. else if ((iw0 & 0xfe00) == 0xe200 && (iw1 & 0x0000) == 0x0000)
  4453. rv = decode_CALLa_0 (iw0, iw1, pc, outf);
  4454. else if ((iw0 & 0xfc00) == 0xe400 && (iw1 & 0x0000) == 0x0000)
  4455. rv = decode_LDSTidxI_0 (iw0, iw1, outf);
  4456. else if ((iw0 & 0xfffe) == 0xe800 && (iw1 & 0x0000) == 0x0000)
  4457. rv = decode_linkage_0 (iw0, iw1, outf);
  4458. else if ((iw0 & 0xf600) == 0xc000 && (iw1 & 0x0000) == 0x0000)
  4459. rv = decode_dsp32mac_0 (iw0, iw1, outf);
  4460. else if ((iw0 & 0xf600) == 0xc200 && (iw1 & 0x0000) == 0x0000)
  4461. rv = decode_dsp32mult_0 (iw0, iw1, outf);
  4462. else if ((iw0 & 0xf7c0) == 0xc400 && (iw1 & 0x0000) == 0x0000)
  4463. rv = decode_dsp32alu_0 (iw0, iw1, outf);
  4464. else if ((iw0 & 0xf780) == 0xc600 && (iw1 & 0x01c0) == 0x0000)
  4465. rv = decode_dsp32shift_0 (iw0, iw1, outf);
  4466. else if ((iw0 & 0xf780) == 0xc680 && (iw1 & 0x0000) == 0x0000)
  4467. rv = decode_dsp32shiftimm_0 (iw0, iw1, outf);
  4468. else if ((iw0 & 0xff00) == 0xf800)
  4469. rv = decode_pseudoDEBUG_0 (iw0, outf);
  4470. else if ((iw0 & 0xFF00) == 0xF900)
  4471. rv = decode_pseudoOChar_0 (iw0, outf);
  4472. else if ((iw0 & 0xFF00) == 0xf000 && (iw1 & 0x0000) == 0x0000)
  4473. rv = decode_pseudodbg_assert_0 (iw0, iw1, outf);
  4474. if (rv == 0)
  4475. OUTS (outf, "ILLEGAL");
  4476. return rv;
  4477. }
  4478. int
  4479. print_insn_bfin (bfd_vma pc, disassemble_info *outf)
  4480. {
  4481. struct private priv;
  4482. int count;
  4483. priv.parallel = FALSE;
  4484. priv.comment = FALSE;
  4485. outf->private_data = &priv;
  4486. count = _print_insn_bfin (pc, outf);
  4487. if (count == -1)
  4488. return -1;
  4489. /* Proper display of multiple issue instructions. */
  4490. if (count == 4 && (priv.iw0 & 0xc000) == 0xc000 && (priv.iw0 & BIT_MULTI_INS)
  4491. && ((priv.iw0 & 0xe800) != 0xe800 /* Not Linkage. */ ))
  4492. {
  4493. bfd_boolean legal = TRUE;
  4494. int len;
  4495. priv.parallel = TRUE;
  4496. OUTS (outf, " || ");
  4497. len = _print_insn_bfin (pc + 4, outf);
  4498. if (len == -1)
  4499. return -1;
  4500. OUTS (outf, " || ");
  4501. if (len != 2)
  4502. legal = FALSE;
  4503. len = _print_insn_bfin (pc + 6, outf);
  4504. if (len == -1)
  4505. return -1;
  4506. if (len != 2)
  4507. legal = FALSE;
  4508. if (legal)
  4509. count = 8;
  4510. else
  4511. {
  4512. OUTS (outf, ";\t\t/* ILLEGAL PARALLEL INSTRUCTION */");
  4513. priv.comment = TRUE;
  4514. count = 0;
  4515. }
  4516. }
  4517. if (!priv.comment)
  4518. OUTS (outf, ";");
  4519. if (count == 0)
  4520. return 2;
  4521. return count;
  4522. }