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      1 /*  armemu.h -- ARMulator emulation macros:  ARM6 Instruction Emulator.
      2     Copyright (C) 1994 Advanced RISC Machines Ltd.
      3 
      4     This program 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 of the License, or
      7     (at your option) any later version.
      8 
      9     This program is distributed in the hope that it will be useful,
     10     but WITHOUT ANY WARRANTY; without even the implied warranty of
     11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     12     GNU General Public License for more details.
     13 
     14     You should have received a copy of the GNU General Public License
     15     along with this program; if not, see <http://www.gnu.org/licenses/>. */
     16 
     17 #include "armdefs.h"
     18 
     19 extern ARMword isize;
     20 extern int trace;
     21 extern int disas;
     22 extern int trace_funcs;
     23 extern void print_insn (ARMword);
     24 
     25 /* Condition code values.  */
     26 #define EQ 0
     27 #define NE 1
     28 #define CS 2
     29 #define CC 3
     30 #define MI 4
     31 #define PL 5
     32 #define VS 6
     33 #define VC 7
     34 #define HI 8
     35 #define LS 9
     36 #define GE 10
     37 #define LT 11
     38 #define GT 12
     39 #define LE 13
     40 #define AL 14
     41 #define NV 15
     42 
     43 /* Shift Opcodes.  */
     44 #define LSL 0
     45 #define LSR 1
     46 #define ASR 2
     47 #define ROR 3
     48 
     49 /* Macros to twiddle the status flags and mode.  */
     50 #define NBIT ((unsigned)1L << 31)
     51 #define ZBIT (1L << 30)
     52 #define CBIT (1L << 29)
     53 #define VBIT (1L << 28)
     54 #define SBIT (1L << 27)
     55 #define GE0 (1L << 16)
     56 #define GE1 (1L << 17)
     57 #define GE2 (1L << 18)
     58 #define GE3 (1L << 19)
     59 #define IBIT (1L << 7)
     60 #define FBIT (1L << 6)
     61 #define IFBITS (3L << 6)
     62 #define R15IBIT (1L << 27)
     63 #define R15FBIT (1L << 26)
     64 #define R15IFBITS (3L << 26)
     65 
     66 #define POS(i) ( (~(i)) >> 31 )
     67 #define NEG(i) ( (i) >> 31 )
     68 
     69 #ifdef MODET			/* Thumb support.  */
     70 /* ??? This bit is actually in the low order bit of the PC in the hardware.
     71    It isn't clear if the simulator needs to model that or not.  */
     72 #define TBIT (1L << 5)
     73 #define TFLAG state->TFlag
     74 #define SETT state->TFlag = 1
     75 #define CLEART state->TFlag = 0
     76 #define ASSIGNT(res) state->TFlag = res
     77 #define INSN_SIZE (TFLAG ? 2 : 4)
     78 #else
     79 #define INSN_SIZE 4
     80 #endif
     81 
     82 #define NFLAG state->NFlag
     83 #define SETN state->NFlag = 1
     84 #define CLEARN state->NFlag = 0
     85 #define ASSIGNN(res) state->NFlag = res
     86 
     87 #define ZFLAG state->ZFlag
     88 #define SETZ state->ZFlag = 1
     89 #define CLEARZ state->ZFlag = 0
     90 #define ASSIGNZ(res) state->ZFlag = res
     91 
     92 #define CFLAG state->CFlag
     93 #define SETC state->CFlag = 1
     94 #define CLEARC state->CFlag = 0
     95 #define ASSIGNC(res) state->CFlag = res
     96 
     97 #define VFLAG state->VFlag
     98 #define SETV state->VFlag = 1
     99 #define CLEARV state->VFlag = 0
    100 #define ASSIGNV(res) state->VFlag = res
    101 
    102 #define SFLAG state->SFlag
    103 #define SETS state->SFlag = 1
    104 #define CLEARS state->SFlag = 0
    105 #define ASSIGNS(res) state->SFlag = res
    106 
    107 #define IFLAG (state->IFFlags >> 1)
    108 #define FFLAG (state->IFFlags & 1)
    109 #define IFFLAGS state->IFFlags
    110 #define ASSIGNINT(res) state->IFFlags = (((res) >> 6) & 3)
    111 #define ASSIGNR15INT(res) state->IFFlags = (((res) >> 26) & 3) ;
    112 
    113 #define PSR_FBITS (0xff000000L)
    114 #define PSR_SBITS (0x00ff0000L)
    115 #define PSR_XBITS (0x0000ff00L)
    116 #define PSR_CBITS (0x000000ffL)
    117 
    118 #if defined MODE32 || defined MODET
    119 #define CCBITS (0xf8000000L)
    120 #else
    121 #define CCBITS (0xf0000000L)
    122 #endif
    123 
    124 #define INTBITS (0xc0L)
    125 
    126 #if defined MODET && defined MODE32
    127 #define PCBITS (0xffffffffL)
    128 #else
    129 #define PCBITS (0xfffffffcL)
    130 #endif
    131 
    132 #define MODEBITS (0x1fL)
    133 #define R15INTBITS (3L << 26)
    134 
    135 #if defined MODET && defined MODE32
    136 #define R15PCBITS (0x03ffffffL)
    137 #else
    138 #define R15PCBITS (0x03fffffcL)
    139 #endif
    140 
    141 #define R15PCMODEBITS (0x03ffffffL)
    142 #define R15MODEBITS (0x3L)
    143 
    144 #ifdef MODE32
    145 #define PCMASK PCBITS
    146 #define PCWRAP(pc) (pc)
    147 #else
    148 #define PCMASK R15PCBITS
    149 #define PCWRAP(pc) ((pc) & R15PCBITS)
    150 #endif
    151 
    152 #define PC (state->Reg[15] & PCMASK)
    153 #define R15CCINTMODE (state->Reg[15] & (CCBITS | R15INTBITS | R15MODEBITS))
    154 #define R15INT (state->Reg[15] & R15INTBITS)
    155 #define R15INTPC (state->Reg[15] & (R15INTBITS | R15PCBITS))
    156 #define R15INTPCMODE (state->Reg[15] & (R15INTBITS | R15PCBITS | R15MODEBITS))
    157 #define R15INTMODE (state->Reg[15] & (R15INTBITS | R15MODEBITS))
    158 #define R15PC (state->Reg[15] & R15PCBITS)
    159 #define R15PCMODE (state->Reg[15] & (R15PCBITS | R15MODEBITS))
    160 #define R15MODE (state->Reg[15] & R15MODEBITS)
    161 
    162 #define ECC ((NFLAG << 31) | (ZFLAG << 30) | (CFLAG << 29) | (VFLAG << 28) | (SFLAG << 27))
    163 #define EINT (IFFLAGS << 6)
    164 #define ER15INT (IFFLAGS << 26)
    165 #define EMODE (state->Mode)
    166 
    167 #ifdef MODET
    168 #define CPSR (ECC | EINT | EMODE | (TFLAG << 5))
    169 #else
    170 #define CPSR (ECC | EINT | EMODE)
    171 #endif
    172 
    173 #ifdef MODE32
    174 #define PATCHR15
    175 #else
    176 #define PATCHR15 state->Reg[15] = ECC | ER15INT | EMODE | R15PC
    177 #endif
    178 
    179 #define GETSPSR(bank) (ARMul_GetSPSR (state, EMODE))
    180 #define SETPSR_F(d,s) d = ((d) & ~PSR_FBITS) | ((s) & PSR_FBITS)
    181 #define SETPSR_S(d,s) d = ((d) & ~PSR_SBITS) | ((s) & PSR_SBITS)
    182 #define SETPSR_X(d,s) d = ((d) & ~PSR_XBITS) | ((s) & PSR_XBITS)
    183 #define SETPSR_C(d,s) d = ((d) & ~PSR_CBITS) | ((s) & PSR_CBITS)
    184 
    185 #define SETR15PSR(s) 								\
    186   do										\
    187     {										\
    188       if (state->Mode == USER26MODE)						\
    189         {									\
    190           state->Reg[15] = ((s) & CCBITS) | R15PC | ER15INT | EMODE;		\
    191           ASSIGNN ((state->Reg[15] & NBIT) != 0);				\
    192           ASSIGNZ ((state->Reg[15] & ZBIT) != 0);				\
    193           ASSIGNC ((state->Reg[15] & CBIT) != 0);				\
    194           ASSIGNV ((state->Reg[15] & VBIT) != 0);				\
    195         }									\
    196       else									\
    197         {									\
    198           state->Reg[15] = R15PC | ((s) & (CCBITS | R15INTBITS | R15MODEBITS));	\
    199           ARMul_R15Altered (state);						\
    200        }									\
    201     }										\
    202   while (0)
    203 
    204 #define SETABORT(i, m, d)						\
    205   do									\
    206     { 									\
    207       int SETABORT_mode = (m);						\
    208 									\
    209       ARMul_SetSPSR (state, SETABORT_mode, ARMul_GetCPSR (state));	\
    210       ARMul_SetCPSR (state, ((ARMul_GetCPSR (state) & ~(EMODE | TBIT))	\
    211 			     | (i) | SETABORT_mode));			\
    212       state->Reg[14] = temp - (d);					\
    213     }									\
    214   while (0)
    215 
    216 #ifndef MODE32
    217 #define VECTORS 0x20
    218 #define LEGALADDR 0x03ffffff
    219 #define VECTORACCESS(address) (address < VECTORS && ARMul_MODE26BIT && state->prog32Sig)
    220 #define ADDREXCEPT(address)   (address > LEGALADDR && !state->data32Sig)
    221 #endif
    222 
    223 #define INTERNALABORT(address)			\
    224   do						\
    225     {						\
    226       if (address < VECTORS)			\
    227 	state->Aborted = ARMul_DataAbortV;	\
    228       else					\
    229 	state->Aborted = ARMul_AddrExceptnV;	\
    230     }						\
    231   while (0)
    232 
    233 #ifdef MODE32
    234 #define TAKEABORT ARMul_Abort (state, ARMul_DataAbortV)
    235 #else
    236 #define TAKEABORT 					\
    237   do							\
    238     {							\
    239       if (state->Aborted == ARMul_AddrExceptnV) 	\
    240 	ARMul_Abort (state, ARMul_AddrExceptnV); 	\
    241       else 						\
    242 	ARMul_Abort (state, ARMul_DataAbortV);		\
    243     }							\
    244   while (0)
    245 #endif
    246 
    247 #define CPTAKEABORT					\
    248   do							\
    249     {							\
    250       if (!state->Aborted)				\
    251 	ARMul_Abort (state, ARMul_UndefinedInstrV); 	\
    252       else if (state->Aborted == ARMul_AddrExceptnV) 	\
    253 	ARMul_Abort (state, ARMul_AddrExceptnV); 	\
    254       else 						\
    255 	ARMul_Abort (state, ARMul_DataAbortV);		\
    256     }							\
    257   while (0);
    258 
    259 
    260 /* Different ways to start the next instruction.  */
    261 #define SEQ           0
    262 #define NONSEQ        1
    263 #define PCINCEDSEQ    2
    264 #define PCINCEDNONSEQ 3
    265 #define PRIMEPIPE     4
    266 #define RESUME        8
    267 
    268 #define NORMALCYCLE state->NextInstr = 0
    269 #define BUSUSEDN    state->NextInstr |= 1  /* The next fetch will be an N cycle.  */
    270 #define BUSUSEDINCPCS						\
    271   do								\
    272     {								\
    273       if (! state->is_v4)					\
    274         {							\
    275 	  /* A standard PC inc and an S cycle.  */		\
    276 	  state->Reg[15] += isize;				\
    277 	  state->NextInstr = (state->NextInstr & 0xff) | 2;	\
    278 	}							\
    279     }								\
    280   while (0)
    281 
    282 #define BUSUSEDINCPCN					\
    283   do							\
    284     {							\
    285       if (state->is_v4)					\
    286 	BUSUSEDN;					\
    287       else						\
    288 	{						\
    289 	  /* A standard PC inc and an N cycle.  */	\
    290 	  state->Reg[15] += isize;			\
    291 	  state->NextInstr |= 3;			\
    292 	}						\
    293     }							\
    294   while (0)
    295 
    296 #define INCPC 			\
    297   do				\
    298     {				\
    299       /* A standard PC inc.  */	\
    300       state->Reg[15] += isize;	\
    301       state->NextInstr |= 2;	\
    302     }				\
    303   while (0)
    304 
    305 #define FLUSHPIPE state->NextInstr |= PRIMEPIPE
    306 
    307 /* Cycle based emulation.  */
    308 
    309 #define OUTPUTCP(i,a,b)
    310 #define NCYCLE
    311 #define SCYCLE
    312 #define ICYCLE
    313 #define CCYCLE
    314 #define NEXTCYCLE(c)
    315 
    316 /* Macros to extract parts of instructions.  */
    317 #define DESTReg (BITS (12, 15))
    318 #define LHSReg  (BITS (16, 19))
    319 #define RHSReg  (BITS ( 0,  3))
    320 
    321 #define DEST (state->Reg[DESTReg])
    322 
    323 #ifdef MODE32
    324 #ifdef MODET
    325 #define LHS ((LHSReg == 15) ? (state->Reg[15] & 0xFFFFFFFC): (state->Reg[LHSReg]))
    326 #else
    327 #define LHS (state->Reg[LHSReg])
    328 #endif
    329 #else
    330 #define LHS ((LHSReg == 15) ? R15PC : (state->Reg[LHSReg]))
    331 #endif
    332 
    333 #define MULDESTReg (BITS (16, 19))
    334 #define MULLHSReg  (BITS ( 0,  3))
    335 #define MULRHSReg  (BITS ( 8, 11))
    336 #define MULACCReg  (BITS (12, 15))
    337 
    338 #define DPImmRHS (ARMul_ImmedTable[BITS(0, 11)])
    339 #define DPSImmRHS temp = BITS(0,11) ; \
    340                   rhs = ARMul_ImmedTable[temp] ; \
    341                   if (temp > 255) /* There was a shift.  */ \
    342                      ASSIGNC (rhs >> 31) ;
    343 
    344 #ifdef MODE32
    345 #define DPRegRHS  ((BITS (4,11) == 0) ? state->Reg[RHSReg] \
    346                                       : GetDPRegRHS (state, instr))
    347 #define DPSRegRHS ((BITS (4,11) == 0) ? state->Reg[RHSReg] \
    348                                       : GetDPSRegRHS (state, instr))
    349 #else
    350 #define DPRegRHS  ((BITS (0, 11) < 15) ? state->Reg[RHSReg] \
    351                                        : GetDPRegRHS (state, instr))
    352 #define DPSRegRHS ((BITS (0, 11) < 15) ? state->Reg[RHSReg] \
    353                                        : GetDPSRegRHS (state, instr))
    354 #endif
    355 
    356 #define LSBase state->Reg[LHSReg]
    357 #define LSImmRHS (BITS(0,11))
    358 
    359 #ifdef MODE32
    360 #define LSRegRHS ((BITS (4, 11) == 0) ? state->Reg[RHSReg] \
    361                                       : GetLSRegRHS (state, instr))
    362 #else
    363 #define LSRegRHS ((BITS (0, 11) < 15) ? state->Reg[RHSReg] \
    364                                       : GetLSRegRHS (state, instr))
    365 #endif
    366 
    367 #define LSMNumRegs ((ARMword) ARMul_BitList[BITS (0, 7)] + \
    368                     (ARMword) ARMul_BitList[BITS (8, 15)] )
    369 #define LSMBaseFirst ((LHSReg == 0 && BIT (0)) || \
    370                       (BIT (LHSReg) && BITS (0, LHSReg - 1) == 0))
    371 
    372 #define SWAPSRC (state->Reg[RHSReg])
    373 
    374 #define LSCOff (BITS (0, 7) << 2)
    375 #define CPNum   BITS (8, 11)
    376 
    377 /* Determine if access to coprocessor CP is permitted.
    378    The XScale has a register in CP15 which controls access to CP0 - CP13.  */
    379 #define CP_ACCESS_ALLOWED(STATE, CP)			\
    380     (   ((CP) >= 14)					\
    381      || (! (STATE)->is_XScale)				\
    382      || (read_cp15_reg (15, 0, 1) & (1 << (CP))))
    383 
    384 /* Macro to rotate n right by b bits.  */
    385 #define ROTATER(n, b) (((n) >> (b)) | ((n) << (32 - (b))))
    386 
    387 /* Macros to store results of instructions.  */
    388 #define WRITEDEST(d)				\
    389   do						\
    390     {						\
    391       if (DESTReg == 15) 			\
    392 	WriteR15 (state, d); 			\
    393       else 					\
    394 	DEST = d;				\
    395     }						\
    396   while (0)
    397 
    398 #define WRITESDEST(d)				\
    399   do						\
    400     {						\
    401       if (DESTReg == 15)			\
    402 	WriteSR15 (state, d);			\
    403       else					\
    404 	{					\
    405 	  DEST = d;				\
    406 	  ARMul_NegZero (state, d);		\
    407 	}					\
    408     }						\
    409   while (0)
    410 
    411 #define WRITEDESTB(d)				\
    412   do						\
    413     {						\
    414       if (DESTReg == 15)			\
    415 	WriteR15Load (state, d);		\
    416       else					\
    417 	DEST = d;				\
    418     }						\
    419   while (0)
    420 
    421 #define BYTETOBUS(data) ((data & 0xff) | \
    422                         ((data & 0xff) << 8) | \
    423                         ((data & 0xff) << 16) | \
    424                         ((data & 0xff) << 24))
    425 
    426 #define BUSTOBYTE(address, data)				\
    427   do								\
    428     {								\
    429       if (state->bigendSig) 					\
    430 	temp = (data >> (((address ^ 3) & 3) << 3)) & 0xff;	\
    431       else							\
    432 	temp = (data >> ((address & 3) << 3)) & 0xff;		\
    433     }								\
    434   while (0)
    435 
    436 #define LOADMULT(instr,   address, wb)  LoadMult   (state, instr, address, wb)
    437 #define LOADSMULT(instr,  address, wb)  LoadSMult  (state, instr, address, wb)
    438 #define STOREMULT(instr,  address, wb)  StoreMult  (state, instr, address, wb)
    439 #define STORESMULT(instr, address, wb)  StoreSMult (state, instr, address, wb)
    440 
    441 #define POSBRANCH ((instr & 0x7fffff) << 2)
    442 #define NEGBRANCH ((0xff000000 |(instr & 0xffffff)) << 2)
    443 
    444 
    445 /* Values for Emulate.  */
    446 #define STOP            0	/* stop */
    447 #define CHANGEMODE      1	/* change mode */
    448 #define ONCE            2	/* execute just one interation */
    449 #define RUN             3	/* continuous execution */
    450 
    451 /* Stuff that is shared across modes.  */
    452 extern unsigned ARMul_MultTable[];	/* Number of I cycles for a mult.  */
    453 extern ARMword  ARMul_ImmedTable[];	/* Immediate DP LHS values.  */
    454 extern char     ARMul_BitList[];	/* Number of bits in a byte table.  */
    455 
    456 #define EVENTLISTSIZE 1024L
    457 
    458 /* Thumb support.  */
    459 typedef enum
    460 {
    461   t_undefined,		/* Undefined Thumb instruction.  */
    462   t_decoded,		/* Instruction decoded to ARM equivalent.  */
    463   t_branch		/* Thumb branch (already processed).  */
    464 }
    465 tdstate;
    466 
    467 #define t_resolved t_branch
    468 
    469 /* Macros to scrutinize instructions.  The dummy do loop is to keep the compiler
    470    happy when the statement is used in an otherwise empty else statement.  */
    471 #define UNDEF_Test		do { ; } while (0)
    472 #define UNDEF_Shift		do { ; } while (0)
    473 #define UNDEF_MSRPC		do { ; } while (0)
    474 #define UNDEF_MRSPC		do { ; } while (0)
    475 #define UNDEF_MULPCDest		do { ; } while (0)
    476 #define UNDEF_MULDestEQOp1	do { ; } while (0)
    477 #define UNDEF_LSRBPC		do { ; } while (0)
    478 #define UNDEF_LSRBaseEQOffWb	do { ; } while (0)
    479 #define UNDEF_LSRBaseEQDestWb	do { ; } while (0)
    480 #define UNDEF_LSRPCBaseWb	do { ; } while (0)
    481 #define UNDEF_LSRPCOffWb	do { ; } while (0)
    482 #define UNDEF_LSMNoRegs		do { ; } while (0)
    483 #define UNDEF_LSMPCBase		do { ; } while (0)
    484 #define UNDEF_LSMUserBankWb	do { ; } while (0)
    485 #define UNDEF_LSMBaseInListWb	do { ; } while (0)
    486 #define UNDEF_SWPPC		do { ; } while (0)
    487 #define UNDEF_CoProHS		do { ; } while (0)
    488 #define UNDEF_MCRPC		do { ; } while (0)
    489 #define UNDEF_LSCPCBaseWb	do { ; } while (0)
    490 #define UNDEF_UndefNotBounced	do { ; } while (0)
    491 #define UNDEF_ShortInt		do { ; } while (0)
    492 #define UNDEF_IllegalMode	do { ; } while (0)
    493 #define UNDEF_Prog32SigChange	do { ; } while (0)
    494 #define UNDEF_Data32SigChange	do { ; } while (0)
    495 
    496 /* Prototypes for exported functions.  */
    497 extern unsigned ARMul_NthReg        (ARMword, unsigned);
    498 extern int      AddOverflow         (ARMword, ARMword, ARMword);
    499 extern int      SubOverflow         (ARMword, ARMword, ARMword);
    500 extern ARMword  ARMul_Emulate26     (ARMul_State *);
    501 extern ARMword  ARMul_Emulate32     (ARMul_State *);
    502 extern unsigned IntPending          (ARMul_State *);
    503 extern void     ARMul_CPSRAltered   (ARMul_State *);
    504 extern void     ARMul_R15Altered    (ARMul_State *);
    505 extern ARMword  ARMul_GetPC         (ARMul_State *);
    506 extern ARMword  ARMul_GetNextPC     (ARMul_State *);
    507 extern ARMword  ARMul_GetR15        (ARMul_State *);
    508 extern ARMword  ARMul_GetCPSR       (ARMul_State *);
    509 extern void     ARMul_EnvokeEvent   (ARMul_State *);
    510 extern unsigned long ARMul_Time     (ARMul_State *);
    511 extern void     ARMul_NegZero       (ARMul_State *, ARMword);
    512 extern void     ARMul_SetPC         (ARMul_State *, ARMword);
    513 extern void     ARMul_SetR15        (ARMul_State *, ARMword);
    514 extern void     ARMul_SetCPSR       (ARMul_State *, ARMword);
    515 extern ARMword  ARMul_GetSPSR       (ARMul_State *, ARMword);
    516 extern void     ARMul_Abort26       (ARMul_State *, ARMword);
    517 extern void     ARMul_Abort32       (ARMul_State *, ARMword);
    518 extern ARMword  ARMul_MRC           (ARMul_State *, ARMword);
    519 extern void     ARMul_CDP           (ARMul_State *, ARMword);
    520 extern void     ARMul_LDC           (ARMul_State *, ARMword, ARMword);
    521 extern void     ARMul_STC           (ARMul_State *, ARMword, ARMword);
    522 extern void     ARMul_MCR           (ARMul_State *, ARMword, ARMword);
    523 extern void     ARMul_SetSPSR       (ARMul_State *, ARMword, ARMword);
    524 extern ARMword  ARMul_SwitchMode    (ARMul_State *, ARMword, ARMword);
    525 extern ARMword  ARMul_Align         (ARMul_State *, ARMword, ARMword);
    526 extern ARMword  ARMul_SwitchMode    (ARMul_State *, ARMword, ARMword);
    527 extern void     ARMul_MSRCpsr       (ARMul_State *, ARMword, ARMword);
    528 extern void     ARMul_SubOverflow   (ARMul_State *, ARMword, ARMword, ARMword);
    529 extern void     ARMul_AddOverflow   (ARMul_State *, ARMword, ARMword, ARMword);
    530 extern void     ARMul_SubCarry      (ARMul_State *, ARMword, ARMword, ARMword);
    531 extern void     ARMul_AddCarry      (ARMul_State *, ARMword, ARMword, ARMword);
    532 extern tdstate  ARMul_ThumbDecode   (ARMul_State *, ARMword, ARMword, ARMword *);
    533 extern ARMword  ARMul_GetReg        (ARMul_State *, unsigned, unsigned);
    534 extern void     ARMul_SetReg        (ARMul_State *, unsigned, unsigned, ARMword);
    535 extern void     ARMul_ScheduleEvent (ARMul_State *, unsigned long, unsigned (*) (ARMul_State *));
    536 /* Coprocessor support functions.  */
    537 extern unsigned ARMul_CoProInit     (ARMul_State *);
    538 extern void     ARMul_CoProExit     (ARMul_State *);
    539 extern void     ARMul_CoProAttach   (ARMul_State *, unsigned, ARMul_CPInits *, ARMul_CPExits *,
    540 				     ARMul_LDCs *, ARMul_STCs *, ARMul_MRCs *, ARMul_MCRs *,
    541 				     ARMul_CDPs *, ARMul_CPReads *, ARMul_CPWrites *);
    542 extern void     ARMul_CoProDetach   (ARMul_State *, unsigned);
    543 extern ARMword  read_cp15_reg       (unsigned, unsigned, unsigned);
    544 
    545 extern unsigned DSPLDC4 (ARMul_State *, unsigned, ARMword, ARMword);
    546 extern unsigned DSPMCR4 (ARMul_State *, unsigned, ARMword, ARMword);
    547 extern unsigned DSPMRC4 (ARMul_State *, unsigned, ARMword, ARMword *);
    548 extern unsigned	DSPSTC4 (ARMul_State *, unsigned, ARMword, ARMword *);
    549 extern unsigned	DSPCDP4 (ARMul_State *, unsigned, ARMword);
    550 extern unsigned DSPMCR5 (ARMul_State *, unsigned, ARMword, ARMword);
    551 extern unsigned DSPMRC5 (ARMul_State *, unsigned, ARMword, ARMword *);
    552 extern unsigned DSPLDC5 (ARMul_State *, unsigned, ARMword, ARMword);
    553 extern unsigned	DSPSTC5 (ARMul_State *, unsigned, ARMword, ARMword *);
    554 extern unsigned	DSPCDP5 (ARMul_State *, unsigned, ARMword);
    555 extern unsigned DSPMCR6 (ARMul_State *, unsigned, ARMword, ARMword);
    556 extern unsigned DSPMRC6 (ARMul_State *, unsigned, ARMword, ARMword *);
    557 extern unsigned	DSPCDP6 (ARMul_State *, unsigned, ARMword);
    558