sid/component/cgen-cpu/xstormy16/xstormy16-decode.h

   1 /* Decode header for xstormy16.
   2
   3 THIS FILE IS MACHINE GENERATED WITH CGEN.
   4
   5 Copyright (C) 2000-2009 Red Hat, Inc.
   6
   7 This file is part of the Red Hat simulators.
   8
   9
  10 */
  11
  12 #ifndef XSTORMY16_DECODE_H
  13 #define XSTORMY16_DECODE_H
  14
  15 namespace xstormy16 {
  16
  17 using namespace cgen;
  18 using namespace xstormy16;
  19
  20 typedef UINT xstormy16_insn_word;
  21
  22 /* Enum declaration for instructions in cpu family xstormy16.  */
  23 typedef enum xstormy16_insn_type {
  24   XSTORMY16_INSN_X_INVALID, XSTORMY16_INSN_MOVLMEMIMM, XSTORMY16_INSN_MOVHMEMIMM, XSTORMY16_INSN_MOVLGRMEM
  25  , XSTORMY16_INSN_MOVHGRMEM, XSTORMY16_INSN_MOVLMEMGR, XSTORMY16_INSN_MOVHMEMGR, XSTORMY16_INSN_MOVGRGRI
  26  , XSTORMY16_INSN_MOVGRGRIPOSTINC, XSTORMY16_INSN_MOVGRGRIPREDEC, XSTORMY16_INSN_MOVGRIGR, XSTORMY16_INSN_MOVGRIPOSTINCGR
  27  , XSTORMY16_INSN_MOVGRIPREDECGR, XSTORMY16_INSN_MOVGRGRII, XSTORMY16_INSN_MOVGRGRIIPOSTINC, XSTORMY16_INSN_MOVGRGRIIPREDEC
  28  , XSTORMY16_INSN_MOVGRIIGR, XSTORMY16_INSN_MOVGRIIPOSTINCGR, XSTORMY16_INSN_MOVGRIIPREDECGR, XSTORMY16_INSN_MOVGRGR
  29  , XSTORMY16_INSN_MOVWIMM8, XSTORMY16_INSN_MOVWGRIMM8, XSTORMY16_INSN_MOVWGRIMM16, XSTORMY16_INSN_MOVLOWGR
  30  , XSTORMY16_INSN_MOVHIGHGR, XSTORMY16_INSN_MOVFGRGRI, XSTORMY16_INSN_MOVFGRGRIPOSTINC, XSTORMY16_INSN_MOVFGRGRIPREDEC
  31  , XSTORMY16_INSN_MOVFGRIGR, XSTORMY16_INSN_MOVFGRIPOSTINCGR, XSTORMY16_INSN_MOVFGRIPREDECGR, XSTORMY16_INSN_MOVFGRGRII
  32  , XSTORMY16_INSN_MOVFGRGRIIPOSTINC, XSTORMY16_INSN_MOVFGRGRIIPREDEC, XSTORMY16_INSN_MOVFGRIIGR, XSTORMY16_INSN_MOVFGRIIPOSTINCGR
  33  , XSTORMY16_INSN_MOVFGRIIPREDECGR, XSTORMY16_INSN_MASKGRGR, XSTORMY16_INSN_MASKGRIMM16, XSTORMY16_INSN_PUSHGR
  34  , XSTORMY16_INSN_POPGR, XSTORMY16_INSN_SWPN, XSTORMY16_INSN_SWPB, XSTORMY16_INSN_SWPW
  35  , XSTORMY16_INSN_ANDGRGR, XSTORMY16_INSN_ANDIMM8, XSTORMY16_INSN_ANDGRIMM16, XSTORMY16_INSN_ORGRGR
  36  , XSTORMY16_INSN_ORIMM8, XSTORMY16_INSN_ORGRIMM16, XSTORMY16_INSN_XORGRGR, XSTORMY16_INSN_XORIMM8
  37  , XSTORMY16_INSN_XORGRIMM16, XSTORMY16_INSN_NOTGR, XSTORMY16_INSN_ADDGRGR, XSTORMY16_INSN_ADDGRIMM4
  38  , XSTORMY16_INSN_ADDIMM8, XSTORMY16_INSN_ADDGRIMM16, XSTORMY16_INSN_ADCGRGR, XSTORMY16_INSN_ADCGRIMM4
  39  , XSTORMY16_INSN_ADCIMM8, XSTORMY16_INSN_ADCGRIMM16, XSTORMY16_INSN_SUBGRGR, XSTORMY16_INSN_SUBGRIMM4
  40  , XSTORMY16_INSN_SUBIMM8, XSTORMY16_INSN_SUBGRIMM16, XSTORMY16_INSN_SBCGRGR, XSTORMY16_INSN_SBCGRIMM4
  41  , XSTORMY16_INSN_SBCGRIMM8, XSTORMY16_INSN_SBCGRIMM16, XSTORMY16_INSN_INCGRIMM2, XSTORMY16_INSN_DECGRIMM2
  42  , XSTORMY16_INSN_RRCGRGR, XSTORMY16_INSN_RRCGRIMM4, XSTORMY16_INSN_RLCGRGR, XSTORMY16_INSN_RLCGRIMM4
  43  , XSTORMY16_INSN_SHRGRGR, XSTORMY16_INSN_SHRGRIMM, XSTORMY16_INSN_SHLGRGR, XSTORMY16_INSN_SHLGRIMM
  44  , XSTORMY16_INSN_ASRGRGR, XSTORMY16_INSN_ASRGRIMM, XSTORMY16_INSN_SET1GRIMM, XSTORMY16_INSN_SET1GRGR
  45  , XSTORMY16_INSN_SET1LMEMIMM, XSTORMY16_INSN_SET1HMEMIMM, XSTORMY16_INSN_CLR1GRIMM, XSTORMY16_INSN_CLR1GRGR
  46  , XSTORMY16_INSN_CLR1LMEMIMM, XSTORMY16_INSN_CLR1HMEMIMM, XSTORMY16_INSN_CBWGR, XSTORMY16_INSN_REVGR
  47  , XSTORMY16_INSN_BCCGRGR, XSTORMY16_INSN_BCCGRIMM8, XSTORMY16_INSN_BCCIMM16, XSTORMY16_INSN_BNGRIMM4
  48  , XSTORMY16_INSN_BNGRGR, XSTORMY16_INSN_BNLMEMIMM, XSTORMY16_INSN_BNHMEMIMM, XSTORMY16_INSN_BPGRIMM4
  49  , XSTORMY16_INSN_BPGRGR, XSTORMY16_INSN_BPLMEMIMM, XSTORMY16_INSN_BPHMEMIMM, XSTORMY16_INSN_BCC
  50  , XSTORMY16_INSN_BGR, XSTORMY16_INSN_BR, XSTORMY16_INSN_JMP, XSTORMY16_INSN_JMPF
  51  , XSTORMY16_INSN_CALLRGR, XSTORMY16_INSN_CALLRIMM, XSTORMY16_INSN_CALLGR, XSTORMY16_INSN_CALLFIMM
  52  , XSTORMY16_INSN_ICALLRGR, XSTORMY16_INSN_ICALLGR, XSTORMY16_INSN_ICALLFIMM, XSTORMY16_INSN_IRET
  53  , XSTORMY16_INSN_RET, XSTORMY16_INSN_MUL, XSTORMY16_INSN_DIV, XSTORMY16_INSN_SDIV
  54  , XSTORMY16_INSN_SDIVLH, XSTORMY16_INSN_DIVLH, XSTORMY16_INSN_RESET, XSTORMY16_INSN_NOP
  55  , XSTORMY16_INSN_HALT, XSTORMY16_INSN_HOLD, XSTORMY16_INSN_HOLDX, XSTORMY16_INSN_BRK
  56  , XSTORMY16_INSN_SYSCALL
  57 } XSTORMY16_INSN_TYPE;
  58
  59
  60 // Forward decls.
  61 struct xstormy16_cpu;
  62 struct xstormy16_scache;
  63 typedef sem_status (xstormy16_sem_fn) (xstormy16_cpu* cpu, xstormy16_scache* sem);
  64
  65
  66 // Instruction descriptor.
  67
  68 struct xstormy16_idesc {
  69
  70   // scache engine executor for this insn
  71   xstormy16_sem_fn* execute;
  72
  73   const char* insn_name;
  74   enum xstormy16_insn_type sem_index;
  75   xstormy16_insn_attr attrs;
  76
  77   // idesc table: indexed by sem_index
  78   static xstormy16_idesc idesc_table[];
  79
  80   static xstormy16_insn_type lookup_virtual (virtual_insn_type vit);
  81 };
  82
  83 // Instruction argument buffer.
  84
  85 union xstormy16_sem_fields {
  86   struct { /* no operands */
  87     int empty;
  88   } fmt_empty;
  89   struct { /*  */
  90     UINT f_abs24;
  91   } sfmt_jmpf;
  92   struct { /*  */
  93     SI f_rel12a;
  94   } sfmt_br;
  95   struct { /*  */
  96     UINT f_Rbj;
  97     UINT f_Rd;
  98   } sfmt_jmp;
  99   struct { /*  */
 100     SI f_rel8_2;
 101     UINT f_op2;
 102   } sfmt_bcc;
 103   struct { /*  */
 104     UINT f_imm3;
 105     HI f_hmem8;
 106   } sfmt_set1hmemimm;
 107   struct { /*  */
 108     UINT f_imm3;
 109     UINT f_lmem8;
 110   } sfmt_set1lmemimm;
 111   struct { /*  */
 112     UINT f_Rd;
 113     UINT f_imm2;
 114   } sfmt_incgrimm2;
 115   struct { /*  */
 116     UINT f_Rd;
 117     UINT f_imm16;
 118   } sfmt_movwgrimm16;
 119   struct { /*  */
 120     SI f_rel12;
 121     UINT f_imm3b;
 122     HI f_hmem8;
 123   } sfmt_bnhmemimm;
 124   struct { /*  */
 125     SI f_rel12;
 126     UINT f_imm3b;
 127     UINT f_lmem8;
 128   } sfmt_bnlmemimm;
 129   struct { /*  */
 130     SI f_rel12;
 131     UINT f_Rd;
 132     UINT f_imm4;
 133   } sfmt_bngrimm4;
 134   struct { /*  */
 135     SI f_rel8_4;
 136     UINT f_imm16;
 137     UINT f_op2;
 138   } sfmt_bccimm16;
 139   struct { /*  */
 140     UINT f_Rm;
 141     UINT f_op2m;
 142     HI f_hmem8;
 143   } sfmt_movhgrmem;
 144   struct { /*  */
 145     UINT f_Rm;
 146     UINT f_lmem8;
 147     UINT f_op2m;
 148   } sfmt_movlgrmem;
 149   struct { /*  */
 150     UINT f_imm16;
 151     UINT f_op2m;
 152     HI f_hmem8;
 153   } sfmt_movhmemimm;
 154   struct { /*  */
 155     UINT f_imm16;
 156     UINT f_lmem8;
 157     UINT f_op2m;
 158   } sfmt_movlmemimm;
 159   struct { /*  */
 160     SI f_rel12;
 161     UINT f_Rm;
 162     UINT f_imm8;
 163     UINT f_op5;
 164   } sfmt_bccgrimm8;
 165   struct { /*  */
 166     SI f_rel12;
 167     UINT f_Rd;
 168     UINT f_Rs;
 169     UINT f_op5;
 170   } sfmt_bccgrgr;
 171   struct { /*  */
 172     INT f_imm12;
 173     UINT f_Rb;
 174     UINT f_Rdm;
 175     UINT f_Rs;
 176     UINT f_op2m;
 177   } sfmt_movfgrgrii;
 178   // This one is for chain/cti-chain virtual insns.
 179   struct {
 180     // Number of insns in pbb.
 181     unsigned insn_count;
 182     // This is used by chain insns and by untaken conditional branches.
 183     xstormy16_scache* next;
 184     xstormy16_scache* branch_target;
 185   } chain;
 186   // This one is for `before' virtual insns.
 187   struct {
 188     // The cache entry of the real insn.
 189     xstormy16_scache* insn;
 190   } before;
 191 };
 192
 193 // Simulator instruction cache.
 194
 195 struct xstormy16_scache {
 196   // executor
 197   union {
 198     cgoto_label cgoto;
 199     xstormy16_sem_fn* fn;
 200   } execute;
 201
 202   // PC of this instruction.
 203   PCADDR addr;
 204
 205   // instruction class
 206   xstormy16_idesc* idesc;
 207
 208   // argument buffer
 209   xstormy16_sem_fields fields;
 210
 211
 212
 213   // decode given instruction
 214   void decode (xstormy16_cpu* current_cpu, PCADDR pc, xstormy16_insn_word base_insn, xstormy16_insn_word entire_insn);
 215 };
 216
 217 } // end xstormy16 namespace
 218
 219 // Decls of each semantic fn.
 220
 221 using xstormy16::xstormy16_sem_fn;
 222 extern xstormy16_sem_fn xstormy16_sem_x_invalid;
 223 extern xstormy16_sem_fn xstormy16_sem_movlmemimm;
 224 extern xstormy16_sem_fn xstormy16_sem_movhmemimm;
 225 extern xstormy16_sem_fn xstormy16_sem_movlgrmem;
 226 extern xstormy16_sem_fn xstormy16_sem_movhgrmem;
 227 extern xstormy16_sem_fn xstormy16_sem_movlmemgr;
 228 extern xstormy16_sem_fn xstormy16_sem_movhmemgr;
 229 extern xstormy16_sem_fn xstormy16_sem_movgrgri;
 230 extern xstormy16_sem_fn xstormy16_sem_movgrgripostinc;
 231 extern xstormy16_sem_fn xstormy16_sem_movgrgripredec;
 232 extern xstormy16_sem_fn xstormy16_sem_movgrigr;
 233 extern xstormy16_sem_fn xstormy16_sem_movgripostincgr;
 234 extern xstormy16_sem_fn xstormy16_sem_movgripredecgr;
 235 extern xstormy16_sem_fn xstormy16_sem_movgrgrii;
 236 extern xstormy16_sem_fn xstormy16_sem_movgrgriipostinc;
 237 extern xstormy16_sem_fn xstormy16_sem_movgrgriipredec;
 238 extern xstormy16_sem_fn xstormy16_sem_movgriigr;
 239 extern xstormy16_sem_fn xstormy16_sem_movgriipostincgr;
 240 extern xstormy16_sem_fn xstormy16_sem_movgriipredecgr;
 241 extern xstormy16_sem_fn xstormy16_sem_movgrgr;
 242 extern xstormy16_sem_fn xstormy16_sem_movwimm8;
 243 extern xstormy16_sem_fn xstormy16_sem_movwgrimm8;
 244 extern xstormy16_sem_fn xstormy16_sem_movwgrimm16;
 245 extern xstormy16_sem_fn xstormy16_sem_movlowgr;
 246 extern xstormy16_sem_fn xstormy16_sem_movhighgr;
 247 extern xstormy16_sem_fn xstormy16_sem_movfgrgri;
 248 extern xstormy16_sem_fn xstormy16_sem_movfgrgripostinc;
 249 extern xstormy16_sem_fn xstormy16_sem_movfgrgripredec;
 250 extern xstormy16_sem_fn xstormy16_sem_movfgrigr;
 251 extern xstormy16_sem_fn xstormy16_sem_movfgripostincgr;
 252 extern xstormy16_sem_fn xstormy16_sem_movfgripredecgr;
 253 extern xstormy16_sem_fn xstormy16_sem_movfgrgrii;
 254 extern xstormy16_sem_fn xstormy16_sem_movfgrgriipostinc;
 255 extern xstormy16_sem_fn xstormy16_sem_movfgrgriipredec;
 256 extern xstormy16_sem_fn xstormy16_sem_movfgriigr;
 257 extern xstormy16_sem_fn xstormy16_sem_movfgriipostincgr;
 258 extern xstormy16_sem_fn xstormy16_sem_movfgriipredecgr;
 259 extern xstormy16_sem_fn xstormy16_sem_maskgrgr;
 260 extern xstormy16_sem_fn xstormy16_sem_maskgrimm16;
 261 extern xstormy16_sem_fn xstormy16_sem_pushgr;
 262 extern xstormy16_sem_fn xstormy16_sem_popgr;
 263 extern xstormy16_sem_fn xstormy16_sem_swpn;
 264 extern xstormy16_sem_fn xstormy16_sem_swpb;
 265 extern xstormy16_sem_fn xstormy16_sem_swpw;
 266 extern xstormy16_sem_fn xstormy16_sem_andgrgr;
 267 extern xstormy16_sem_fn xstormy16_sem_andimm8;
 268 extern xstormy16_sem_fn xstormy16_sem_andgrimm16;
 269 extern xstormy16_sem_fn xstormy16_sem_orgrgr;
 270 extern xstormy16_sem_fn xstormy16_sem_orimm8;
 271 extern xstormy16_sem_fn xstormy16_sem_orgrimm16;
 272 extern xstormy16_sem_fn xstormy16_sem_xorgrgr;
 273 extern xstormy16_sem_fn xstormy16_sem_xorimm8;
 274 extern xstormy16_sem_fn xstormy16_sem_xorgrimm16;
 275 extern xstormy16_sem_fn xstormy16_sem_notgr;
 276 extern xstormy16_sem_fn xstormy16_sem_addgrgr;
 277 extern xstormy16_sem_fn xstormy16_sem_addgrimm4;
 278 extern xstormy16_sem_fn xstormy16_sem_addimm8;
 279 extern xstormy16_sem_fn xstormy16_sem_addgrimm16;
 280 extern xstormy16_sem_fn xstormy16_sem_adcgrgr;
 281 extern xstormy16_sem_fn xstormy16_sem_adcgrimm4;
 282 extern xstormy16_sem_fn xstormy16_sem_adcimm8;
 283 extern xstormy16_sem_fn xstormy16_sem_adcgrimm16;
 284 extern xstormy16_sem_fn xstormy16_sem_subgrgr;
 285 extern xstormy16_sem_fn xstormy16_sem_subgrimm4;
 286 extern xstormy16_sem_fn xstormy16_sem_subimm8;
 287 extern xstormy16_sem_fn xstormy16_sem_subgrimm16;
 288 extern xstormy16_sem_fn xstormy16_sem_sbcgrgr;
 289 extern xstormy16_sem_fn xstormy16_sem_sbcgrimm4;
 290 extern xstormy16_sem_fn xstormy16_sem_sbcgrimm8;
 291 extern xstormy16_sem_fn xstormy16_sem_sbcgrimm16;
 292 extern xstormy16_sem_fn xstormy16_sem_incgrimm2;
 293 extern xstormy16_sem_fn xstormy16_sem_decgrimm2;
 294 extern xstormy16_sem_fn xstormy16_sem_rrcgrgr;
 295 extern xstormy16_sem_fn xstormy16_sem_rrcgrimm4;
 296 extern xstormy16_sem_fn xstormy16_sem_rlcgrgr;
 297 extern xstormy16_sem_fn xstormy16_sem_rlcgrimm4;
 298 extern xstormy16_sem_fn xstormy16_sem_shrgrgr;
 299 extern xstormy16_sem_fn xstormy16_sem_shrgrimm;
 300 extern xstormy16_sem_fn xstormy16_sem_shlgrgr;
 301 extern xstormy16_sem_fn xstormy16_sem_shlgrimm;
 302 extern xstormy16_sem_fn xstormy16_sem_asrgrgr;
 303 extern xstormy16_sem_fn xstormy16_sem_asrgrimm;
 304 extern xstormy16_sem_fn xstormy16_sem_set1grimm;
 305 extern xstormy16_sem_fn xstormy16_sem_set1grgr;
 306 extern xstormy16_sem_fn xstormy16_sem_set1lmemimm;
 307 extern xstormy16_sem_fn xstormy16_sem_set1hmemimm;
 308 extern xstormy16_sem_fn xstormy16_sem_clr1grimm;
 309 extern xstormy16_sem_fn xstormy16_sem_clr1grgr;
 310 extern xstormy16_sem_fn xstormy16_sem_clr1lmemimm;
 311 extern xstormy16_sem_fn xstormy16_sem_clr1hmemimm;
 312 extern xstormy16_sem_fn xstormy16_sem_cbwgr;
 313 extern xstormy16_sem_fn xstormy16_sem_revgr;
 314 extern xstormy16_sem_fn xstormy16_sem_bccgrgr;
 315 extern xstormy16_sem_fn xstormy16_sem_bccgrimm8;
 316 extern xstormy16_sem_fn xstormy16_sem_bccimm16;
 317 extern xstormy16_sem_fn xstormy16_sem_bngrimm4;
 318 extern xstormy16_sem_fn xstormy16_sem_bngrgr;
 319 extern xstormy16_sem_fn xstormy16_sem_bnlmemimm;
 320 extern xstormy16_sem_fn xstormy16_sem_bnhmemimm;
 321 extern xstormy16_sem_fn xstormy16_sem_bpgrimm4;
 322 extern xstormy16_sem_fn xstormy16_sem_bpgrgr;
 323 extern xstormy16_sem_fn xstormy16_sem_bplmemimm;
 324 extern xstormy16_sem_fn xstormy16_sem_bphmemimm;
 325 extern xstormy16_sem_fn xstormy16_sem_bcc;
 326 extern xstormy16_sem_fn xstormy16_sem_bgr;
 327 extern xstormy16_sem_fn xstormy16_sem_br;
 328 extern xstormy16_sem_fn xstormy16_sem_jmp;
 329 extern xstormy16_sem_fn xstormy16_sem_jmpf;
 330 extern xstormy16_sem_fn xstormy16_sem_callrgr;
 331 extern xstormy16_sem_fn xstormy16_sem_callrimm;
 332 extern xstormy16_sem_fn xstormy16_sem_callgr;
 333 extern xstormy16_sem_fn xstormy16_sem_callfimm;
 334 extern xstormy16_sem_fn xstormy16_sem_icallrgr;
 335 extern xstormy16_sem_fn xstormy16_sem_icallgr;
 336 extern xstormy16_sem_fn xstormy16_sem_icallfimm;
 337 extern xstormy16_sem_fn xstormy16_sem_iret;
 338 extern xstormy16_sem_fn xstormy16_sem_ret;
 339 extern xstormy16_sem_fn xstormy16_sem_mul;
 340 extern xstormy16_sem_fn xstormy16_sem_div;
 341 extern xstormy16_sem_fn xstormy16_sem_sdiv;
 342 extern xstormy16_sem_fn xstormy16_sem_sdivlh;
 343 extern xstormy16_sem_fn xstormy16_sem_divlh;
 344 extern xstormy16_sem_fn xstormy16_sem_reset;
 345 extern xstormy16_sem_fn xstormy16_sem_nop;
 346 extern xstormy16_sem_fn xstormy16_sem_halt;
 347 extern xstormy16_sem_fn xstormy16_sem_hold;
 348 extern xstormy16_sem_fn xstormy16_sem_holdx;
 349 extern xstormy16_sem_fn xstormy16_sem_brk;
 350 extern xstormy16_sem_fn xstormy16_sem_syscall;
 351
 352 #endif /* XSTORMY16_DECODE_H */