sim/iq2000/cpu.h

   1 /* CPU family header for iq2000bf.
   2
   3 THIS FILE IS MACHINE GENERATED WITH CGEN.
   4
   5 Copyright 1996-2013 Free Software Foundation, Inc.
   6
   7 This file is part of the GNU simulators.
   8
   9    This file is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3, or (at your option)
  12    any later version.
  13
  14    It is distributed in the hope that it will be useful, but WITHOUT
  15    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  16    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  17    License for more details.
  18
  19    You should have received a copy of the GNU General Public License along
  20    with this program; if not, see <http://www.gnu.org/licenses/>.
  21
  22 */
  23
  24 #ifndef CPU_IQ2000BF_H
  25 #define CPU_IQ2000BF_H
  26
  27 /* Maximum number of instructions that are fetched at a time.
  28    This is for LIW type instructions sets (e.g. m32r).  */
  29 #define MAX_LIW_INSNS 1
  30
  31 /* Maximum number of instructions that can be executed in parallel.  */
  32 #define MAX_PARALLEL_INSNS 1
  33
  34 /* The size of an "int" needed to hold an instruction word.
  35    This is usually 32 bits, but some architectures needs 64 bits.  */
  36 typedef CGEN_INSN_INT CGEN_INSN_WORD;
  37
  38 #include "cgen-engine.h"
  39
  40 /* CPU state information.  */
  41 typedef struct {
  42   /* Hardware elements.  */
  43   struct {
  44   /* program counter */
  45   USI h_pc;
  46 #define GET_H_PC() get_h_pc (current_cpu)
  47 #define SET_H_PC(x) \
  48 do { \
  49 set_h_pc (current_cpu, (x));\
  50 ;} while (0)
  51   /* General purpose registers */
  52   SI h_gr[32];
  53 #define GET_H_GR(index) (((index) == (0))) ? (0) : (CPU (h_gr[index]))
  54 #define SET_H_GR(index, x) \
  55 do { \
  56 if ((((index)) == (0))) {\
  57 ((void) 0); /*nop*/\
  58 }\
  59  else {\
  60 CPU (h_gr[(index)]) = (x);\
  61 }\
  62 ;} while (0)
  63   } hardware;
  64 #define CPU_CGEN_HW(cpu) (& (cpu)->cpu_data.hardware)
  65 } IQ2000BF_CPU_DATA;
  66
  67 /* Cover fns for register access.  */
  68 USI iq2000bf_h_pc_get (SIM_CPU *);
  69 void iq2000bf_h_pc_set (SIM_CPU *, USI);
  70 SI iq2000bf_h_gr_get (SIM_CPU *, UINT);
  71 void iq2000bf_h_gr_set (SIM_CPU *, UINT, SI);
  72
  73 /* These must be hand-written.  */
  74 extern CPUREG_FETCH_FN iq2000bf_fetch_register;
  75 extern CPUREG_STORE_FN iq2000bf_store_register;
  76
  77 typedef struct {
  78   int empty;
  79 } MODEL_IQ2000_DATA;
  80
  81 /* Instruction argument buffer.  */
  82
  83 union sem_fields {
  84   struct { /* no operands */
  85     int empty;
  86   } sfmt_empty;
  87   struct { /*  */
  88     IADDR i_jmptarg;
  89   } sfmt_j;
  90   struct { /*  */
  91     IADDR i_offset;
  92     UINT f_rs;
  93     UINT f_rt;
  94   } sfmt_bbi;
  95   struct { /*  */
  96     UINT f_imm;
  97     UINT f_rs;
  98     UINT f_rt;
  99   } sfmt_addi;
 100   struct { /*  */
 101     UINT f_mask;
 102     UINT f_rd;
 103     UINT f_rs;
 104     UINT f_rt;
 105   } sfmt_mrgb;
 106   struct { /*  */
 107     UINT f_maskl;
 108     UINT f_rd;
 109     UINT f_rs;
 110     UINT f_rt;
 111     UINT f_shamt;
 112   } sfmt_ram;
 113 #if WITH_SCACHE_PBB
 114   /* Writeback handler.  */
 115   struct {
 116     /* Pointer to argbuf entry for insn whose results need writing back.  */
 117     const struct argbuf *abuf;
 118   } write;
 119   /* x-before handler */
 120   struct {
 121     /*const SCACHE *insns[MAX_PARALLEL_INSNS];*/
 122     int first_p;
 123   } before;
 124   /* x-after handler */
 125   struct {
 126     int empty;
 127   } after;
 128   /* This entry is used to terminate each pbb.  */
 129   struct {
 130     /* Number of insns in pbb.  */
 131     int insn_count;
 132     /* Next pbb to execute.  */
 133     SCACHE *next;
 134     SCACHE *branch_target;
 135   } chain;
 136 #endif
 137 };
 138
 139 /* The ARGBUF struct.  */
 140 struct argbuf {
 141   /* These are the baseclass definitions.  */
 142   IADDR addr;
 143   const IDESC *idesc;
 144   char trace_p;
 145   char profile_p;
 146   /* ??? Temporary hack for skip insns.  */
 147   char skip_count;
 148   char unused;
 149   /* cpu specific data follows */
 150   union sem semantic;
 151   int written;
 152   union sem_fields fields;
 153 };
 154
 155 /* A cached insn.
 156
 157    ??? SCACHE used to contain more than just argbuf.  We could delete the
 158    type entirely and always just use ARGBUF, but for future concerns and as
 159    a level of abstraction it is left in.  */
 160
 161 struct scache {
 162   struct argbuf argbuf;
 163 };
 164
 165 /* Macros to simplify extraction, reading and semantic code.
 166    These define and assign the local vars that contain the insn's fields.  */
 167
 168 #define EXTRACT_IFMT_EMPTY_VARS \
 169   unsigned int length;
 170 #define EXTRACT_IFMT_EMPTY_CODE \
 171   length = 0; \
 172
 173 #define EXTRACT_IFMT_ADD_VARS \
 174   UINT f_opcode; \
 175   UINT f_rs; \
 176   UINT f_rt; \
 177   UINT f_rd; \
 178   UINT f_shamt; \
 179   UINT f_func; \
 180   unsigned int length;
 181 #define EXTRACT_IFMT_ADD_CODE \
 182   length = 4; \
 183   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 184   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 185   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 186   f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
 187   f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
 188   f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
 189
 190 #define EXTRACT_IFMT_ADDI_VARS \
 191   UINT f_opcode; \
 192   UINT f_rs; \
 193   UINT f_rt; \
 194   UINT f_imm; \
 195   unsigned int length;
 196 #define EXTRACT_IFMT_ADDI_CODE \
 197   length = 4; \
 198   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 199   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 200   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 201   f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
 202
 203 #define EXTRACT_IFMT_RAM_VARS \
 204   UINT f_opcode; \
 205   UINT f_rs; \
 206   UINT f_rt; \
 207   UINT f_rd; \
 208   UINT f_shamt; \
 209   UINT f_5; \
 210   UINT f_maskl; \
 211   unsigned int length;
 212 #define EXTRACT_IFMT_RAM_CODE \
 213   length = 4; \
 214   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 215   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 216   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 217   f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
 218   f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
 219   f_5 = EXTRACT_LSB0_UINT (insn, 32, 5, 1); \
 220   f_maskl = EXTRACT_LSB0_UINT (insn, 32, 4, 5); \
 221
 222 #define EXTRACT_IFMT_SLL_VARS \
 223   UINT f_opcode; \
 224   UINT f_rs; \
 225   UINT f_rt; \
 226   UINT f_rd; \
 227   UINT f_shamt; \
 228   UINT f_func; \
 229   unsigned int length;
 230 #define EXTRACT_IFMT_SLL_CODE \
 231   length = 4; \
 232   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 233   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 234   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 235   f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
 236   f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
 237   f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
 238
 239 #define EXTRACT_IFMT_SLMV_VARS \
 240   UINT f_opcode; \
 241   UINT f_rs; \
 242   UINT f_rt; \
 243   UINT f_rd; \
 244   UINT f_shamt; \
 245   UINT f_func; \
 246   unsigned int length;
 247 #define EXTRACT_IFMT_SLMV_CODE \
 248   length = 4; \
 249   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 250   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 251   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 252   f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
 253   f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
 254   f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
 255
 256 #define EXTRACT_IFMT_SLTI_VARS \
 257   UINT f_opcode; \
 258   UINT f_rs; \
 259   UINT f_rt; \
 260   UINT f_imm; \
 261   unsigned int length;
 262 #define EXTRACT_IFMT_SLTI_CODE \
 263   length = 4; \
 264   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 265   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 266   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 267   f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
 268
 269 #define EXTRACT_IFMT_BBI_VARS \
 270   UINT f_opcode; \
 271   UINT f_rs; \
 272   UINT f_rt; \
 273   SI f_offset; \
 274   unsigned int length;
 275 #define EXTRACT_IFMT_BBI_CODE \
 276   length = 4; \
 277   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 278   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 279   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 280   f_offset = ((((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) << (2))) + (((pc) + (4)))); \
 281
 282 #define EXTRACT_IFMT_BBV_VARS \
 283   UINT f_opcode; \
 284   UINT f_rs; \
 285   UINT f_rt; \
 286   SI f_offset; \
 287   unsigned int length;
 288 #define EXTRACT_IFMT_BBV_CODE \
 289   length = 4; \
 290   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 291   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 292   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 293   f_offset = ((((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) << (2))) + (((pc) + (4)))); \
 294
 295 #define EXTRACT_IFMT_BGEZ_VARS \
 296   UINT f_opcode; \
 297   UINT f_rs; \
 298   UINT f_rt; \
 299   SI f_offset; \
 300   unsigned int length;
 301 #define EXTRACT_IFMT_BGEZ_CODE \
 302   length = 4; \
 303   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 304   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 305   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 306   f_offset = ((((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) << (2))) + (((pc) + (4)))); \
 307
 308 #define EXTRACT_IFMT_JALR_VARS \
 309   UINT f_opcode; \
 310   UINT f_rs; \
 311   UINT f_rt; \
 312   UINT f_rd; \
 313   UINT f_shamt; \
 314   UINT f_func; \
 315   unsigned int length;
 316 #define EXTRACT_IFMT_JALR_CODE \
 317   length = 4; \
 318   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 319   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 320   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 321   f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
 322   f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
 323   f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
 324
 325 #define EXTRACT_IFMT_JR_VARS \
 326   UINT f_opcode; \
 327   UINT f_rs; \
 328   UINT f_rt; \
 329   UINT f_rd; \
 330   UINT f_shamt; \
 331   UINT f_func; \
 332   unsigned int length;
 333 #define EXTRACT_IFMT_JR_CODE \
 334   length = 4; \
 335   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 336   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 337   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 338   f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
 339   f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
 340   f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
 341
 342 #define EXTRACT_IFMT_LB_VARS \
 343   UINT f_opcode; \
 344   UINT f_rs; \
 345   UINT f_rt; \
 346   UINT f_imm; \
 347   unsigned int length;
 348 #define EXTRACT_IFMT_LB_CODE \
 349   length = 4; \
 350   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 351   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 352   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 353   f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
 354
 355 #define EXTRACT_IFMT_LUI_VARS \
 356   UINT f_opcode; \
 357   UINT f_rs; \
 358   UINT f_rt; \
 359   UINT f_imm; \
 360   unsigned int length;
 361 #define EXTRACT_IFMT_LUI_CODE \
 362   length = 4; \
 363   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 364   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 365   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 366   f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
 367
 368 #define EXTRACT_IFMT_BREAK_VARS \
 369   UINT f_opcode; \
 370   UINT f_rs; \
 371   UINT f_rt; \
 372   UINT f_rd; \
 373   UINT f_shamt; \
 374   UINT f_func; \
 375   unsigned int length;
 376 #define EXTRACT_IFMT_BREAK_CODE \
 377   length = 4; \
 378   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 379   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 380   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 381   f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
 382   f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
 383   f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
 384
 385 #define EXTRACT_IFMT_SYSCALL_VARS \
 386   UINT f_opcode; \
 387   UINT f_excode; \
 388   UINT f_func; \
 389   unsigned int length;
 390 #define EXTRACT_IFMT_SYSCALL_CODE \
 391   length = 4; \
 392   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 393   f_excode = EXTRACT_LSB0_UINT (insn, 32, 25, 20); \
 394   f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
 395
 396 #define EXTRACT_IFMT_ANDOUI_VARS \
 397   UINT f_opcode; \
 398   UINT f_rs; \
 399   UINT f_rt; \
 400   UINT f_imm; \
 401   unsigned int length;
 402 #define EXTRACT_IFMT_ANDOUI_CODE \
 403   length = 4; \
 404   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 405   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 406   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 407   f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
 408
 409 #define EXTRACT_IFMT_MRGB_VARS \
 410   UINT f_opcode; \
 411   UINT f_rs; \
 412   UINT f_rt; \
 413   UINT f_rd; \
 414   UINT f_10; \
 415   UINT f_mask; \
 416   UINT f_func; \
 417   unsigned int length;
 418 #define EXTRACT_IFMT_MRGB_CODE \
 419   length = 4; \
 420   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 421   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 422   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 423   f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
 424   f_10 = EXTRACT_LSB0_UINT (insn, 32, 10, 1); \
 425   f_mask = EXTRACT_LSB0_UINT (insn, 32, 9, 4); \
 426   f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
 427
 428 #define EXTRACT_IFMT_BC0F_VARS \
 429   UINT f_opcode; \
 430   UINT f_rs; \
 431   UINT f_rt; \
 432   SI f_offset; \
 433   unsigned int length;
 434 #define EXTRACT_IFMT_BC0F_CODE \
 435   length = 4; \
 436   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 437   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 438   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 439   f_offset = ((((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) << (2))) + (((pc) + (4)))); \
 440
 441 #define EXTRACT_IFMT_CFC0_VARS \
 442   UINT f_opcode; \
 443   UINT f_rs; \
 444   UINT f_rt; \
 445   UINT f_rd; \
 446   UINT f_10_11; \
 447   unsigned int length;
 448 #define EXTRACT_IFMT_CFC0_CODE \
 449   length = 4; \
 450   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 451   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 452   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 453   f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
 454   f_10_11 = EXTRACT_LSB0_UINT (insn, 32, 10, 11); \
 455
 456 #define EXTRACT_IFMT_CHKHDR_VARS \
 457   UINT f_opcode; \
 458   UINT f_rs; \
 459   UINT f_rt; \
 460   UINT f_rd; \
 461   UINT f_shamt; \
 462   UINT f_func; \
 463   unsigned int length;
 464 #define EXTRACT_IFMT_CHKHDR_CODE \
 465   length = 4; \
 466   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 467   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 468   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 469   f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
 470   f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
 471   f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
 472
 473 #define EXTRACT_IFMT_LULCK_VARS \
 474   UINT f_opcode; \
 475   UINT f_rs; \
 476   UINT f_rt; \
 477   UINT f_rd; \
 478   UINT f_shamt; \
 479   UINT f_func; \
 480   unsigned int length;
 481 #define EXTRACT_IFMT_LULCK_CODE \
 482   length = 4; \
 483   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 484   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 485   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 486   f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
 487   f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
 488   f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
 489
 490 #define EXTRACT_IFMT_PKRLR1_VARS \
 491   UINT f_opcode; \
 492   UINT f_rs; \
 493   UINT f_rt; \
 494   UINT f_count; \
 495   UINT f_index; \
 496   unsigned int length;
 497 #define EXTRACT_IFMT_PKRLR1_CODE \
 498   length = 4; \
 499   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 500   f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
 501   f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
 502   f_count = EXTRACT_LSB0_UINT (insn, 32, 15, 7); \
 503   f_index = EXTRACT_LSB0_UINT (insn, 32, 8, 9); \
 504
 505 #define EXTRACT_IFMT_RFE_VARS \
 506   UINT f_opcode; \
 507   UINT f_25; \
 508   UINT f_24_19; \
 509   UINT f_func; \
 510   unsigned int length;
 511 #define EXTRACT_IFMT_RFE_CODE \
 512   length = 4; \
 513   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 514   f_25 = EXTRACT_LSB0_UINT (insn, 32, 25, 1); \
 515   f_24_19 = EXTRACT_LSB0_UINT (insn, 32, 24, 19); \
 516   f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
 517
 518 #define EXTRACT_IFMT_J_VARS \
 519   UINT f_opcode; \
 520   UINT f_rsrvd; \
 521   USI f_jtarg; \
 522   unsigned int length;
 523 #define EXTRACT_IFMT_J_CODE \
 524   length = 4; \
 525   f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
 526   f_rsrvd = EXTRACT_LSB0_UINT (insn, 32, 25, 10); \
 527   f_jtarg = ((((pc) & (0xf0000000))) | (((EXTRACT_LSB0_UINT (insn, 32, 15, 16)) << (2)))); \
 528
 529 /* Collection of various things for the trace handler to use.  */
 530
 531 typedef struct trace_record {
 532   IADDR pc;
 533   /* FIXME:wip */
 534 } TRACE_RECORD;
 535
 536 #endif /* CPU_IQ2000BF_H */