sim/v850/sim-main.h

   1 #ifndef SIM_MAIN_H
   2 #define SIM_MAIN_H
   3
   4 /* The v850 has 32bit words, numbered 31 (MSB) to 0 (LSB) */
   5
   6 #define WITH_TARGET_WORD_MSB 31
   7
   8 #include "sim-basics.h"
   9 #include "sim-signal.h"
  10 #include "sim-fpu.h"
  11 #include "sim-base.h"
  12
  13 #include "simops.h"
  14 #include "bfd.h"
  15
  16
  17 typedef signed8 int8;
  18 typedef unsigned8 uint8;
  19 typedef signed16 int16;
  20 typedef unsigned16 uint16;
  21 typedef signed32 int32;
  22 typedef unsigned32 uint32;
  23 typedef unsigned32 reg_t;
  24 typedef unsigned64 reg64_t;
  25
  26
  27 /* The current state of the processor; registers, memory, etc.  */
  28
  29 typedef struct _v850_regs {
  30   reg_t regs[32];               /* general-purpose registers */
  31   reg_t sregs[32];              /* system registers, including psw */
  32   reg_t pc;
  33   int dummy_mem;                /* where invalid accesses go */
  34   reg_t mpu0_sregs[28];         /* mpu0 system registers */
  35   reg_t mpu1_sregs[28];         /* mpu1 system registers */
  36   reg_t fpu_sregs[28];          /* fpu system registers */
  37   reg_t selID_sregs[7][32];     /* system registers, selID 1 thru selID 7 */
  38   reg64_t vregs[32];            /* vector registers.  */
  39 } v850_regs;
  40
  41 struct _sim_cpu
  42 {
  43   /* ... simulator specific members ... */
  44   v850_regs reg;
  45   reg_t psw_mask;               /* only allow non-reserved bits to be set */
  46   sim_event *pending_nmi;
  47   /* ... base type ... */
  48   sim_cpu_base base;
  49 };
  50
  51 struct sim_state {
  52   sim_cpu *cpu[MAX_NR_PROCESSORS];
  53 #if 0
  54   SIM_ADDR rom_size;
  55   SIM_ADDR low_end;
  56   SIM_ADDR high_start;
  57   SIM_ADDR high_base;
  58   void *mem;
  59 #endif
  60   sim_state_base base;
  61 };
  62
  63 /* For compatibility, until all functions converted to passing
  64    SIM_DESC as an argument */
  65 extern SIM_DESC simulator;
  66
  67
  68 #define V850_ROM_SIZE 0x8000
  69 #define V850_LOW_END 0x200000
  70 #define V850_HIGH_START 0xffe000
  71
  72
  73 /* Because we are still using the old semantic table, provide compat
  74    macro's that store the instruction where the old simops expects
  75    it. */
  76
  77 extern uint32 OP[4];
  78 #if 0
  79 OP[0] = inst & 0x1f;           /* RRRRR -> reg1 */
  80 OP[1] = (inst >> 11) & 0x1f;   /* rrrrr -> reg2 */
  81 OP[2] = (inst >> 16) & 0xffff; /* wwwww -> reg3 OR imm16 */
  82 OP[3] = inst;
  83 #endif
  84
  85 #define SAVE_1 \
  86 PC = cia; \
  87 OP[0] = instruction_0 & 0x1f; \
  88 OP[1] = (instruction_0 >> 11) & 0x1f; \
  89 OP[2] = 0; \
  90 OP[3] = instruction_0
  91
  92 #define COMPAT_1(CALL) \
  93 SAVE_1; \
  94 PC += (CALL); \
  95 nia = PC
  96
  97 #define SAVE_2 \
  98 PC = cia; \
  99 OP[0] = instruction_0 & 0x1f; \
 100 OP[1] = (instruction_0 >> 11) & 0x1f; \
 101 OP[2] = instruction_1; \
 102 OP[3] = (instruction_1 << 16) | instruction_0
 103
 104 #define COMPAT_2(CALL) \
 105 SAVE_2; \
 106 PC += (CALL); \
 107 nia = PC
 108
 109
 110 /* new */
 111 #define GR  ((CPU)->reg.regs)
 112 #define SR  ((CPU)->reg.sregs)
 113 #define VR  ((CPU)->reg.vregs)
 114 #define MPU0_SR  ((STATE_CPU (sd, 0))->reg.mpu0_sregs)
 115 #define MPU1_SR  ((STATE_CPU (sd, 0))->reg.mpu1_sregs)
 116 #define FPU_SR   ((STATE_CPU (sd, 0))->reg.fpu_sregs)
 117
 118 /* old */
 119 #define State    (STATE_CPU (simulator, 0)->reg)
 120 #define PC      (State.pc)
 121 #define SP_REGNO        3
 122 #define SP      (State.regs[SP_REGNO])
 123 #define EP      (State.regs[30])
 124
 125 #define EIPC  (State.sregs[0])
 126 #define EIPSW (State.sregs[1])
 127 #define FEPC  (State.sregs[2])
 128 #define FEPSW (State.sregs[3])
 129 #define ECR   (State.sregs[4])
 130 #define PSW   (State.sregs[5])
 131 #define PSW_REGNO   5
 132 #define EIIC  (State.sregs[13])
 133 #define FEIC  (State.sregs[14])
 134 #define DBIC  (SR[15])
 135 #define CTPC  (SR[16])
 136 #define CTPSW (SR[17])
 137 #define DBPC  (State.sregs[18])
 138 #define DBPSW (State.sregs[19])
 139 #define CTBP  (State.sregs[20])
 140 #define DIR   (SR[21])
 141 #define EIWR  (SR[28])
 142 #define FEWR  (SR[29])
 143 #define DBWR  (SR[30])
 144 #define BSEL  (SR[31])
 145
 146 #define PSW_US BIT32 (8)
 147 #define PSW_NP 0x80
 148 #define PSW_EP 0x40
 149 #define PSW_ID 0x20
 150 #define PSW_SAT 0x10
 151 #define PSW_CY 0x8
 152 #define PSW_OV 0x4
 153 #define PSW_S 0x2
 154 #define PSW_Z 0x1
 155
 156 #define PSW_NPV (1<<18)
 157 #define PSW_DMP (1<<17)
 158 #define PSW_IMP (1<<16)
 159
 160 #define ECR_EICC 0x0000ffff
 161 #define ECR_FECC 0xffff0000
 162
 163 /* FPU */
 164
 165 #define FPSR  (FPU_SR[6])
 166 #define FPSR_REGNO 6
 167 #define FPEPC (FPU_SR[7])
 168 #define FPST  (FPU_SR[8])
 169 #define FPST_REGNO 8
 170 #define FPCC  (FPU_SR[9])
 171 #define FPCFG (FPU_SR[10])
 172 #define FPCFG_REGNO 10
 173
 174 #define FPSR_DEM  0x00200000
 175 #define FPSR_SEM  0x00100000
 176 #define FPSR_RM   0x000c0000
 177 #define FPSR_RN   0x00000000
 178 #define FPSR_FS   0x00020000
 179 #define FPSR_PR   0x00010000
 180
 181 #define FPSR_XC   0x0000fc00
 182 #define FPSR_XCE  0x00008000
 183 #define FPSR_XCV  0x00004000
 184 #define FPSR_XCZ  0x00002000
 185 #define FPSR_XCO  0x00001000
 186 #define FPSR_XCU  0x00000800
 187 #define FPSR_XCI  0x00000400
 188
 189 #define FPSR_XE   0x000003e0
 190 #define FPSR_XEV  0x00000200
 191 #define FPSR_XEZ  0x00000100
 192 #define FPSR_XEO  0x00000080
 193 #define FPSR_XEU  0x00000040
 194 #define FPSR_XEI  0x00000020
 195
 196 #define FPSR_XP   0x0000001f
 197 #define FPSR_XPV  0x00000010
 198 #define FPSR_XPZ  0x00000008
 199 #define FPSR_XPO  0x00000004
 200 #define FPSR_XPU  0x00000002
 201 #define FPSR_XPI  0x00000001
 202
 203 #define FPST_PR   0x00008000
 204 #define FPST_XCE  0x00002000
 205 #define FPST_XCV  0x00001000
 206 #define FPST_XCZ  0x00000800
 207 #define FPST_XCO  0x00000400
 208 #define FPST_XCU  0x00000200
 209 #define FPST_XCI  0x00000100
 210
 211 #define FPST_XPV  0x00000010
 212 #define FPST_XPZ  0x00000008
 213 #define FPST_XPO  0x00000004
 214 #define FPST_XPU  0x00000002
 215 #define FPST_XPI  0x00000001
 216
 217 #define FPCFG_RM   0x00000180
 218 #define FPCFG_XEV  0x00000010
 219 #define FPCFG_XEZ  0x00000008
 220 #define FPCFG_XEO  0x00000004
 221 #define FPCFG_XEU  0x00000002
 222 #define FPCFG_XEI  0x00000001
 223
 224 #define GET_FPCC()\
 225  ((FPSR >> 24) &0xf)
 226
 227 #define CLEAR_FPCC(bbb)\
 228   (FPSR &= ~(1 << (bbb+24)))
 229
 230 #define SET_FPCC(bbb)\
 231  (FPSR |= 1 << (bbb+24))
 232
 233 #define TEST_FPCC(bbb)\
 234   ((FPSR & (1 << (bbb+24))) != 0)
 235
 236 #define FPSR_GET_ROUND()                                        \
 237   (((FPSR & FPSR_RM) == FPSR_RN) ? sim_fpu_round_near           \
 238    : ((FPSR & FPSR_RM) == 0x00040000) ? sim_fpu_round_up        \
 239    : ((FPSR & FPSR_RM) == 0x00080000) ? sim_fpu_round_down      \
 240    : sim_fpu_round_zero)
 241
 242
 243 enum FPU_COMPARE {
 244   FPU_CMP_F = 0,
 245   FPU_CMP_UN,
 246   FPU_CMP_EQ,
 247   FPU_CMP_UEQ,
 248   FPU_CMP_OLT,
 249   FPU_CMP_ULT,
 250   FPU_CMP_OLE,
 251   FPU_CMP_ULE,
 252   FPU_CMP_SF,
 253   FPU_CMP_NGLE,
 254   FPU_CMP_SEQ,
 255   FPU_CMP_NGL,
 256   FPU_CMP_LT,
 257   FPU_CMP_NGE,
 258   FPU_CMP_LE,
 259   FPU_CMP_NGT
 260 };
 261
 262
 263 /* MPU */
 264 #define MPM     (MPU1_SR[0])
 265 #define MPC     (MPU1_SR[1])
 266 #define MPC_REGNO 1
 267 #define TID     (MPU1_SR[2])
 268 #define PPA     (MPU1_SR[3])
 269 #define PPM     (MPU1_SR[4])
 270 #define PPC     (MPU1_SR[5])
 271 #define DCC     (MPU1_SR[6])
 272 #define DCV0    (MPU1_SR[7])
 273 #define DCV1    (MPU1_SR[8])
 274 #define SPAL    (MPU1_SR[10])
 275 #define SPAU    (MPU1_SR[11])
 276 #define IPA0L   (MPU1_SR[12])
 277 #define IPA0U   (MPU1_SR[13])
 278 #define IPA1L   (MPU1_SR[14])
 279 #define IPA1U   (MPU1_SR[15])
 280 #define IPA2L   (MPU1_SR[16])
 281 #define IPA2U   (MPU1_SR[17])
 282 #define IPA3L   (MPU1_SR[18])
 283 #define IPA3U   (MPU1_SR[19])
 284 #define DPA0L   (MPU1_SR[20])
 285 #define DPA0U   (MPU1_SR[21])
 286 #define DPA1L   (MPU1_SR[22])
 287 #define DPA1U   (MPU1_SR[23])
 288 #define DPA2L   (MPU1_SR[24])
 289 #define DPA2U   (MPU1_SR[25])
 290 #define DPA3L   (MPU1_SR[26])
 291 #define DPA3U   (MPU1_SR[27])
 292
 293 #define PPC_PPE 0x1
 294 #define SPAL_SPE 0x1
 295 #define SPAL_SPS 0x10
 296
 297 #define VIP     (MPU0_SR[0])
 298 #define VMECR   (MPU0_SR[4])
 299 #define VMTID   (MPU0_SR[5])
 300 #define VMADR   (MPU0_SR[6])
 301 #define VPECR   (MPU0_SR[8])
 302 #define VPTID   (MPU0_SR[9])
 303 #define VPADR   (MPU0_SR[10])
 304 #define VDECR   (MPU0_SR[12])
 305 #define VDTID   (MPU0_SR[13])
 306
 307 #define MPM_AUE 0x2
 308 #define MPM_MPE 0x1
 309
 310 #define VMECR_VMX   0x2
 311 #define VMECR_VMR   0x4
 312 #define VMECR_VMW   0x8
 313 #define VMECR_VMS   0x10
 314 #define VMECR_VMRMW 0x20
 315 #define VMECR_VMMS  0x40
 316
 317 #define IPA2ADDR(IPA)   ((IPA) & 0x1fffff80)
 318 #define IPA_IPE 0x1
 319 #define IPA_IPX 0x2
 320 #define IPA_IPR 0x4
 321 #define IPE0    (IPA0L & IPA_IPE)
 322 #define IPE1    (IPA1L & IPA_IPE)
 323 #define IPE2    (IPA2L & IPA_IPE)
 324 #define IPE3    (IPA3L & IPA_IPE)
 325 #define IPX0    (IPA0L & IPA_IPX)
 326 #define IPX1    (IPA1L & IPA_IPX)
 327 #define IPX2    (IPA2L & IPA_IPX)
 328 #define IPX3    (IPA3L & IPA_IPX)
 329 #define IPR0    (IPA0L & IPA_IPR)
 330 #define IPR1    (IPA1L & IPA_IPR)
 331 #define IPR2    (IPA2L & IPA_IPR)
 332 #define IPR3    (IPA3L & IPA_IPR)
 333
 334 #define DPA2ADDR(DPA)   ((DPA) & 0x1fffff80)
 335 #define DPA_DPE 0x1
 336 #define DPA_DPR 0x4
 337 #define DPA_DPW 0x8
 338 #define DPE0    (DPA0L & DPA_DPE)
 339 #define DPE1    (DPA1L & DPA_DPE)
 340 #define DPE2    (DPA2L & DPA_DPE)
 341 #define DPE3    (DPA3L & DPA_DPE)
 342 #define DPR0    (DPA0L & DPA_DPR)
 343 #define DPR1    (DPA1L & DPA_DPR)
 344 #define DPR2    (DPA2L & DPA_DPR)
 345 #define DPR3    (DPA3L & DPA_DPR)
 346 #define DPW0    (DPA0L & DPA_DPW)
 347 #define DPW1    (DPA1L & DPA_DPW)
 348 #define DPW2    (DPA2L & DPA_DPW)
 349 #define DPW3    (DPA3L & DPA_DPW)
 350
 351 #define DCC_DCE0 0x1
 352 #define DCC_DCE1 0x10000
 353
 354 #define PPA2ADDR(PPA)   ((PPA) & 0x1fffff80)
 355 #define PPC_PPC 0xfffffffe
 356 #define PPC_PPE 0x1
 357 #define PPC_PPM 0x0000fff8
 358
 359
 360 #define SEXT3(x)        ((((x)&0x7)^(~0x3))+0x4)
 361
 362 /* sign-extend a 4-bit number */
 363 #define SEXT4(x)        ((((x)&0xf)^(~0x7))+0x8)
 364
 365 /* sign-extend a 5-bit number */
 366 #define SEXT5(x)        ((((x)&0x1f)^(~0xf))+0x10)
 367
 368 /* sign-extend a 9-bit number */
 369 #define SEXT9(x)        ((((x)&0x1ff)^(~0xff))+0x100)
 370
 371 /* sign-extend a 22-bit number */
 372 #define SEXT22(x)       ((((x)&0x3fffff)^(~0x1fffff))+0x200000)
 373
 374 /* sign extend a 40 bit number */
 375 #define SEXT40(x)       ((((x) & UNSIGNED64 (0xffffffffff)) \
 376                           ^ (~UNSIGNED64 (0x7fffffffff))) \
 377                          + UNSIGNED64 (0x8000000000))
 378
 379 /* sign extend a 44 bit number */
 380 #define SEXT44(x)       ((((x) & UNSIGNED64 (0xfffffffffff)) \
 381                           ^ (~ UNSIGNED64 (0x7ffffffffff))) \
 382                          + UNSIGNED64 (0x80000000000))
 383
 384 /* sign extend a 60 bit number */
 385 #define SEXT60(x)       ((((x) & UNSIGNED64 (0xfffffffffffffff)) \
 386                           ^ (~ UNSIGNED64 (0x7ffffffffffffff))) \
 387                          + UNSIGNED64 (0x800000000000000))
 388
 389 /* No sign extension */
 390 #define NOP(x)          (x)
 391
 392 #define INC_ADDR(x,i)   x = ((State.MD && x == MOD_E) ? MOD_S : (x)+(i))
 393
 394 #define RLW(x) load_mem (x, 4)
 395
 396 /* Function declarations.  */
 397
 398 #define IMEM16(EA) \
 399 sim_core_read_aligned_2 (CPU, PC, exec_map, (EA))
 400
 401 #define IMEM16_IMMED(EA,N) \
 402 sim_core_read_aligned_2 (STATE_CPU (sd, 0), \
 403                          PC, exec_map, (EA) + (N) * 2)
 404
 405 #define load_mem(ADDR,LEN) \
 406 sim_core_read_unaligned_##LEN (STATE_CPU (simulator, 0), \
 407                                PC, read_map, (ADDR))
 408
 409 #define store_mem(ADDR,LEN,DATA) \
 410 sim_core_write_unaligned_##LEN (STATE_CPU (simulator, 0), \
 411                                 PC, write_map, (ADDR), (DATA))
 412
 413
 414 /* compare cccc field against PSW */
 415 int condition_met (unsigned code);
 416
 417
 418 /* Debug/tracing calls */
 419
 420 enum op_types
 421 {
 422   OP_UNKNOWN,
 423   OP_NONE,
 424   OP_TRAP,
 425   OP_REG,
 426   OP_REG_REG,
 427   OP_REG_REG_CMP,
 428   OP_REG_REG_MOVE,
 429   OP_IMM_REG,
 430   OP_IMM_REG_CMP,
 431   OP_IMM_REG_MOVE,
 432   OP_COND_BR,
 433   OP_LOAD16,
 434   OP_STORE16,
 435   OP_LOAD32,
 436   OP_STORE32,
 437   OP_JUMP,
 438   OP_IMM_REG_REG,
 439   OP_UIMM_REG_REG,
 440   OP_IMM16_REG_REG,
 441   OP_UIMM16_REG_REG,
 442   OP_BIT,
 443   OP_EX1,
 444   OP_EX2,
 445   OP_LDSR,
 446   OP_STSR,
 447   OP_BIT_CHANGE,
 448   OP_REG_REG_REG,
 449   OP_REG_REG3,
 450   OP_IMM_REG_REG_REG,
 451   OP_PUSHPOP1,
 452   OP_PUSHPOP2,
 453   OP_PUSHPOP3,
 454 };
 455
 456 #ifdef DEBUG
 457 void trace_input (char *name, enum op_types type, int size);
 458 void trace_output (enum op_types result);
 459 void trace_result (int has_result, unsigned32 result);
 460
 461 extern int trace_num_values;
 462 extern unsigned32 trace_values[];
 463 extern unsigned32 trace_pc;
 464 extern const char *trace_name;
 465 extern int trace_module;
 466
 467 #define TRACE_BRANCH0() \
 468 do { \
 469   if (TRACE_BRANCH_P (CPU)) { \
 470     trace_module = TRACE_BRANCH_IDX; \
 471     trace_pc = cia; \
 472     trace_name = itable[MY_INDEX].name; \
 473     trace_num_values = 0; \
 474     trace_result (1, (nia)); \
 475   } \
 476 } while (0)
 477
 478 #define TRACE_BRANCH1(IN1) \
 479 do { \
 480   if (TRACE_BRANCH_P (CPU)) { \
 481     trace_module = TRACE_BRANCH_IDX; \
 482     trace_pc = cia; \
 483     trace_name = itable[MY_INDEX].name; \
 484     trace_values[0] = (IN1); \
 485     trace_num_values = 1; \
 486     trace_result (1, (nia)); \
 487   } \
 488 } while (0)
 489
 490 #define TRACE_BRANCH2(IN1, IN2) \
 491 do { \
 492   if (TRACE_BRANCH_P (CPU)) { \
 493     trace_module = TRACE_BRANCH_IDX; \
 494     trace_pc = cia; \
 495     trace_name = itable[MY_INDEX].name; \
 496     trace_values[0] = (IN1); \
 497     trace_values[1] = (IN2); \
 498     trace_num_values = 2; \
 499     trace_result (1, (nia)); \
 500   } \
 501 } while (0)
 502
 503 #define TRACE_BRANCH3(IN1, IN2, IN3) \
 504 do { \
 505   if (TRACE_BRANCH_P (CPU)) { \
 506     trace_module = TRACE_BRANCH_IDX; \
 507     trace_pc = cia; \
 508     trace_name = itable[MY_INDEX].name; \
 509     trace_values[0] = (IN1); \
 510     trace_values[1] = (IN2); \
 511     trace_values[2] = (IN3); \
 512     trace_num_values = 3; \
 513     trace_result (1, (nia)); \
 514   } \
 515 } while (0)
 516
 517 #define TRACE_LD(ADDR,RESULT) \
 518 do { \
 519   if (TRACE_MEMORY_P (CPU)) { \
 520     trace_module = TRACE_MEMORY_IDX; \
 521     trace_pc = cia; \
 522     trace_name = itable[MY_INDEX].name; \
 523     trace_values[0] = (ADDR); \
 524     trace_num_values = 1; \
 525     trace_result (1, (RESULT)); \
 526   } \
 527 } while (0)
 528
 529 #define TRACE_LD_NAME(NAME, ADDR,RESULT) \
 530 do { \
 531   if (TRACE_MEMORY_P (CPU)) { \
 532     trace_module = TRACE_MEMORY_IDX; \
 533     trace_pc = cia; \
 534     trace_name = (NAME); \
 535     trace_values[0] = (ADDR); \
 536     trace_num_values = 1; \
 537     trace_result (1, (RESULT)); \
 538   } \
 539 } while (0)
 540
 541 #define TRACE_ST(ADDR,RESULT) \
 542 do { \
 543   if (TRACE_MEMORY_P (CPU)) { \
 544     trace_module = TRACE_MEMORY_IDX; \
 545     trace_pc = cia; \
 546     trace_name = itable[MY_INDEX].name; \
 547     trace_values[0] = (ADDR); \
 548     trace_num_values = 1; \
 549     trace_result (1, (RESULT)); \
 550   } \
 551 } while (0)
 552
 553 #define TRACE_FP_INPUT_FPU1(V0) \
 554 do { \
 555   if (TRACE_FPU_P (CPU)) \
 556     { \
 557       unsigned64 f0; \
 558       sim_fpu_to64 (&f0, (V0)); \
 559       trace_input_fp1 (SD, CPU, TRACE_FPU_IDX, f0); \
 560     } \
 561 } while (0)
 562
 563 #define TRACE_FP_INPUT_FPU2(V0, V1) \
 564 do { \
 565   if (TRACE_FPU_P (CPU)) \
 566     { \
 567       unsigned64 f0, f1; \
 568       sim_fpu_to64 (&f0, (V0)); \
 569       sim_fpu_to64 (&f1, (V1)); \
 570       trace_input_fp2 (SD, CPU, TRACE_FPU_IDX, f0, f1); \
 571     } \
 572 } while (0)
 573
 574 #define TRACE_FP_INPUT_FPU3(V0, V1, V2) \
 575 do { \
 576   if (TRACE_FPU_P (CPU)) \
 577     { \
 578       unsigned64 f0, f1, f2; \
 579       sim_fpu_to64 (&f0, (V0)); \
 580       sim_fpu_to64 (&f1, (V1)); \
 581       sim_fpu_to64 (&f2, (V2)); \
 582       trace_input_fp3 (SD, CPU, TRACE_FPU_IDX, f0, f1, f2); \
 583     } \
 584 } while (0)
 585
 586 #define TRACE_FP_INPUT_BOOL1_FPU2(V0, V1, V2) \
 587 do { \
 588   if (TRACE_FPU_P (CPU)) \
 589     { \
 590       int d0 = (V0); \
 591       unsigned64 f1, f2; \
 592       TRACE_DATA *data = CPU_TRACE_DATA (CPU); \
 593       TRACE_IDX (data) = TRACE_FPU_IDX; \
 594       sim_fpu_to64 (&f1, (V1)); \
 595       sim_fpu_to64 (&f2, (V2)); \
 596       save_data (SD, data, trace_fmt_bool, sizeof (d0), &d0); \
 597       save_data (SD, data, trace_fmt_fp, sizeof (fp_word), &f1); \
 598       save_data (SD, data, trace_fmt_fp, sizeof (fp_word), &f2); \
 599     } \
 600 } while (0)
 601
 602 #define TRACE_FP_INPUT_WORD2(V0, V1) \
 603 do { \
 604   if (TRACE_FPU_P (CPU)) \
 605     trace_input_word2 (SD, CPU, TRACE_FPU_IDX, (V0), (V1)); \
 606 } while (0)
 607
 608 #define TRACE_FP_RESULT_FPU1(R0) \
 609 do { \
 610   if (TRACE_FPU_P (CPU)) \
 611     { \
 612       unsigned64 f0; \
 613       sim_fpu_to64 (&f0, (R0)); \
 614       trace_result_fp1 (SD, CPU, TRACE_FPU_IDX, f0); \
 615     } \
 616 } while (0)
 617
 618 #define TRACE_FP_RESULT_WORD1(R0) TRACE_FP_RESULT_WORD(R0)
 619
 620 #define TRACE_FP_RESULT_WORD2(R0, R1) \
 621 do { \
 622   if (TRACE_FPU_P (CPU)) \
 623     trace_result_word2 (SD, CPU, TRACE_FPU_IDX, (R0), (R1)); \
 624 } while (0)
 625
 626 #else
 627 #define trace_input(NAME, IN1, IN2)
 628 #define trace_output(RESULT)
 629 #define trace_result(HAS_RESULT, RESULT)
 630
 631 #define TRACE_ALU_INPUT0()
 632 #define TRACE_ALU_INPUT1(IN0)
 633 #define TRACE_ALU_INPUT2(IN0, IN1)
 634 #define TRACE_ALU_INPUT2(IN0, IN1)
 635 #define TRACE_ALU_INPUT2(IN0, IN1 INS2)
 636 #define TRACE_ALU_RESULT(RESULT)
 637
 638 #define TRACE_BRANCH0()
 639 #define TRACE_BRANCH1(IN1)
 640 #define TRACE_BRANCH2(IN1, IN2)
 641 #define TRACE_BRANCH2(IN1, IN2, IN3)
 642
 643 #define TRACE_LD(ADDR,RESULT)
 644 #define TRACE_ST(ADDR,RESULT)
 645
 646 #endif
 647
 648 #define GPR_SET(N, VAL) (State.regs[(N)] = (VAL))
 649 #define GPR_CLEAR(N)    (State.regs[(N)] = 0)
 650
 651 extern void divun ( unsigned int       N,
 652                     unsigned long int  als,
 653                     unsigned long int  sfi,
 654                     unsigned32 /*unsigned long int*/ *  quotient_ptr,
 655                     unsigned32 /*unsigned long int*/ *  remainder_ptr,
 656                     int *overflow_ptr
 657                     );
 658 extern void divn ( unsigned int       N,
 659                    unsigned long int  als,
 660                    unsigned long int  sfi,
 661                    signed32 /*signed long int*/ *  quotient_ptr,
 662                    signed32 /*signed long int*/ *  remainder_ptr,
 663                    int *overflow_ptr
 664                    );
 665 extern int type1_regs[];
 666 extern int type2_regs[];
 667 extern int type3_regs[];
 668
 669 #define SESR_OV   (1 << 0)
 670 #define SESR_SOV  (1 << 1)
 671
 672 #define SESR      (State.sregs[12])
 673
 674 #define ROUND_Q62_Q31(X) ((((X) + (1 << 30)) >> 31) & 0xffffffff)
 675 #define ROUND_Q62_Q15(X) ((((X) + (1 << 30)) >> 47) & 0xffff)
 676 #define ROUND_Q31_Q15(X) ((((X) + (1 << 15)) >> 15) & 0xffff)
 677 #define ROUND_Q30_Q15(X) ((((X) + (1 << 14)) >> 15) & 0xffff)
 678
 679 #define SAT16(X)                        \
 680   do                                    \
 681     {                                   \
 682       signed64 z = (X);                 \
 683       if (z > 0x7fff)                   \
 684         {                               \
 685           SESR |= SESR_OV | SESR_SOV;   \
 686           z = 0x7fff;                   \
 687         }                               \
 688       else if (z < -0x8000)             \
 689         {                               \
 690           SESR |= SESR_OV | SESR_SOV;   \
 691           z = - 0x8000;                 \
 692         }                               \
 693       (X) = z;                          \
 694     }                                   \
 695   while (0)
 696
 697 #define SAT32(X)                        \
 698   do                                    \
 699     {                                   \
 700       signed64 z = (X);                 \
 701       if (z > 0x7fffffff)               \
 702         {                               \
 703           SESR |= SESR_OV | SESR_SOV;   \
 704           z = 0x7fffffff;               \
 705         }                               \
 706       else if (z < -0x80000000)         \
 707         {                               \
 708           SESR |= SESR_OV | SESR_SOV;   \
 709           z = - 0x80000000;             \
 710         }                               \
 711       (X) = z;                          \
 712     }                                   \
 713   while (0)
 714
 715 #define ABS16(X)                        \
 716   do                                    \
 717     {                                   \
 718       signed64 z = (X) & 0xffff;        \
 719       if (z == 0x8000)                  \
 720         {                               \
 721           SESR |= SESR_OV | SESR_SOV;   \
 722           z = 0x7fff;                   \
 723         }                               \
 724       else if (z & 0x8000)              \
 725         {                               \
 726           z = (- z) & 0xffff;           \
 727         }                               \
 728       (X) = z;                          \
 729     }                                   \
 730   while (0)
 731
 732 #define ABS32(X)                        \
 733   do                                    \
 734     {                                   \
 735       signed64 z = (X) & 0xffffffff;    \
 736       if (z == 0x80000000)              \
 737         {                               \
 738           SESR |= SESR_OV | SESR_SOV;   \
 739           z = 0x7fffffff;               \
 740         }                               \
 741       else if (z & 0x80000000)          \
 742         {                               \
 743           z = (- z) & 0xffffffff;       \
 744         }                               \
 745       (X) = z;                          \
 746     }                                   \
 747   while (0)
 748
 749 #endif