target-xtensa/core-dc233c/core-isa.h

   1 /*
   2  * xtensa/config/core-isa.h -- HAL definitions that are dependent on Xtensa
   3  *                              processor CORE configuration
   4  *
   5  *  See <xtensa/config/core.h>, which includes this file, for more details.
   6  */
   7
   8 /* Xtensa processor core configuration information.
   9
  10    Copyright (c) 1999-2010 Tensilica Inc.
  11
  12    Permission is hereby granted, free of charge, to any person obtaining
  13    a copy of this software and associated documentation files (the
  14    "Software"), to deal in the Software without restriction, including
  15    without limitation the rights to use, copy, modify, merge, publish,
  16    distribute, sublicense, and/or sell copies of the Software, and to
  17    permit persons to whom the Software is furnished to do so, subject to
  18    the following conditions:
  19
  20    The above copyright notice and this permission notice shall be included
  21    in all copies or substantial portions of the Software.
  22
  23    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  26    IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  27    CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  28    TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  29    SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
  30
  31 #ifndef XTENSA_DC233C_CORE_ISA_H
  32 #define XTENSA_DC233C_CORE_ISA_H
  33
  34 /****************************************************************************
  35             Parameters Useful for Any Code, USER or PRIVILEGED
  36  ****************************************************************************/
  37
  38 /*
  39  *  Note:  Macros of the form XCHAL_HAVE_*** have a value of 1 if the option is
  40  *  configured, and a value of 0 otherwise.  These macros are always defined.
  41  */
  42
  43
  44 /*----------------------------------------------------------------------
  45                                 ISA
  46   ----------------------------------------------------------------------*/
  47
  48 #define XCHAL_HAVE_BE                   0       /* big-endian byte ordering */
  49 #define XCHAL_HAVE_WINDOWED             1       /* windowed registers option */
  50 #define XCHAL_NUM_AREGS                 32      /* num of physical addr regs */
  51 #define XCHAL_NUM_AREGS_LOG2            5       /* log2(XCHAL_NUM_AREGS) */
  52 #define XCHAL_MAX_INSTRUCTION_SIZE      3       /* max instr bytes (3..8) */
  53 #define XCHAL_HAVE_DEBUG                1       /* debug option */
  54 #define XCHAL_HAVE_DENSITY              1       /* 16-bit instructions */
  55 #define XCHAL_HAVE_LOOPS                1       /* zero-overhead loops */
  56 #define XCHAL_HAVE_NSA                  1       /* NSA/NSAU instructions */
  57 #define XCHAL_HAVE_MINMAX               1       /* MIN/MAX instructions */
  58 #define XCHAL_HAVE_SEXT                 1       /* SEXT instruction */
  59 #define XCHAL_HAVE_CLAMPS               1       /* CLAMPS instruction */
  60 #define XCHAL_HAVE_MUL16                1       /* MUL16S/MUL16U instructions */
  61 #define XCHAL_HAVE_MUL32                1       /* MULL instruction */
  62 #define XCHAL_HAVE_MUL32_HIGH           0       /* MULUH/MULSH instructions */
  63 #define XCHAL_HAVE_DIV32                1       /* QUOS/QUOU/REMS/REMU instructions */
  64 #define XCHAL_HAVE_L32R                 1       /* L32R instruction */
  65 #define XCHAL_HAVE_ABSOLUTE_LITERALS    1       /* non-PC-rel (extended) L32R */
  66 #define XCHAL_HAVE_CONST16              0       /* CONST16 instruction */
  67 #define XCHAL_HAVE_ADDX                 1       /* ADDX#/SUBX# instructions */
  68 #define XCHAL_HAVE_WIDE_BRANCHES        0       /* B*.W18 or B*.W15 instr's */
  69 #define XCHAL_HAVE_PREDICTED_BRANCHES   0       /* B[EQ/EQZ/NE/NEZ]T instr's */
  70 #define XCHAL_HAVE_CALL4AND12           1       /* (obsolete option) */
  71 #define XCHAL_HAVE_ABS                  1       /* ABS instruction */
  72 /*#define XCHAL_HAVE_POPC               0*/     /* POPC instruction */
  73 /*#define XCHAL_HAVE_CRC                0*/     /* CRC instruction */
  74 #define XCHAL_HAVE_RELEASE_SYNC         1       /* L32AI/S32RI instructions */
  75 #define XCHAL_HAVE_S32C1I               1       /* S32C1I instruction */
  76 #define XCHAL_HAVE_SPECULATION          0       /* speculation */
  77 #define XCHAL_HAVE_FULL_RESET           1       /* all regs/state reset */
  78 #define XCHAL_NUM_CONTEXTS              1       /* */
  79 #define XCHAL_NUM_MISC_REGS             2       /* num of scratch regs (0..4) */
  80 #define XCHAL_HAVE_TAP_MASTER           0       /* JTAG TAP control instr's */
  81 #define XCHAL_HAVE_PRID                 1       /* processor ID register */
  82 #define XCHAL_HAVE_EXTERN_REGS          1       /* WER/RER instructions */
  83 #define XCHAL_HAVE_MP_INTERRUPTS        0       /* interrupt distributor port */
  84 #define XCHAL_HAVE_MP_RUNSTALL          0       /* core RunStall control port */
  85 #define XCHAL_HAVE_THREADPTR            1       /* THREADPTR register */
  86 #define XCHAL_HAVE_BOOLEANS             0       /* boolean registers */
  87 #define XCHAL_HAVE_CP                   1       /* CPENABLE reg (coprocessor) */
  88 #define XCHAL_CP_MAXCFG                 8       /* max allowed cp id plus one */
  89 #define XCHAL_HAVE_MAC16                1       /* MAC16 package */
  90 #define XCHAL_HAVE_VECTORFPU2005        0       /* vector floating-point pkg */
  91 #define XCHAL_HAVE_FP                   0       /* floating point pkg */
  92 #define XCHAL_HAVE_DFP                  0       /* double precision FP pkg */
  93 #define XCHAL_HAVE_DFP_accel            0       /* double precision FP acceleration pkg */
  94 #define XCHAL_HAVE_VECTRA1              0       /* Vectra I  pkg */
  95 #define XCHAL_HAVE_VECTRALX             0       /* Vectra LX pkg */
  96 #define XCHAL_HAVE_HIFIPRO              0       /* HiFiPro Audio Engine pkg */
  97 #define XCHAL_HAVE_HIFI2                0       /* HiFi2 Audio Engine pkg */
  98 #define XCHAL_HAVE_HIFI2EP      0       /* HiFi2EP */
  99 #define XCHAL_HAVE_CONNXD2              0       /* ConnX D2 pkg */
 100 #define XCHAL_HAVE_BBE16                0       /* ConnX BBE16 pkg */
 101 #define XCHAL_HAVE_BBE16_RSQRT          0       /* BBE16 & vector recip sqrt */
 102 #define XCHAL_HAVE_BBE16_VECDIV         0       /* BBE16 & vector divide */
 103 #define XCHAL_HAVE_BBE16_DESPREAD       0       /* BBE16 & despread */
 104 #define XCHAL_HAVE_BSP3                 0       /* ConnX BSP3 pkg */
 105 #define XCHAL_HAVE_SSP16                0       /* ConnX SSP16 pkg */
 106 #define XCHAL_HAVE_SSP16_VITERBI        0       /* SSP16 & viterbi */
 107 #define XCHAL_HAVE_TURBO16              0       /* ConnX Turbo16 pkg */
 108 #define XCHAL_HAVE_BBP16                0       /* ConnX BBP16 pkg */
 109
 110
 111 /*----------------------------------------------------------------------
 112                                 MISC
 113   ----------------------------------------------------------------------*/
 114
 115 #define XCHAL_NUM_WRITEBUFFER_ENTRIES   8       /* size of write buffer */
 116 #define XCHAL_INST_FETCH_WIDTH          4       /* instr-fetch width in bytes */
 117 #define XCHAL_DATA_WIDTH                4       /* data width in bytes */
 118 /*  In T1050, applies to selected core load and store instructions (see ISA): */
 119 #define XCHAL_UNALIGNED_LOAD_EXCEPTION  1       /* unaligned loads cause exc. */
 120 #define XCHAL_UNALIGNED_STORE_EXCEPTION 1       /* unaligned stores cause exc.*/
 121 #define XCHAL_UNALIGNED_LOAD_HW         0       /* unaligned loads work in hw */
 122 #define XCHAL_UNALIGNED_STORE_HW        0       /* unaligned stores work in hw*/
 123
 124 #define XCHAL_SW_VERSION                900001  /* sw version of this header */
 125
 126 #define XCHAL_CORE_ID                   "dc233c"        /* alphanum core name
 127 (CoreID) set in the Xtensa
 128 Processor Generator */
 129
 130 #define XCHAL_CORE_DESCRIPTION          "dc233c"
 131 #define XCHAL_BUILD_UNIQUE_ID           0x00004B21      /* 22-bit sw build ID */
 132
 133 /*
 134  *  These definitions describe the hardware targeted by this software.
 135  */
 136 #define XCHAL_HW_CONFIGID0              0xC56707FE      /* ConfigID hi 32 bits*/
 137 #define XCHAL_HW_CONFIGID1              0x14404B21      /* ConfigID lo 32 bits*/
 138 #define XCHAL_HW_VERSION_NAME           "LX4.0.1"       /* full version name */
 139 #define XCHAL_HW_VERSION_MAJOR          2400    /* major ver# of targeted hw */
 140 #define XCHAL_HW_VERSION_MINOR          1       /* minor ver# of targeted hw */
 141 #define XCHAL_HW_VERSION                240001  /* major*100+minor */
 142 #define XCHAL_HW_REL_LX4                1
 143 #define XCHAL_HW_REL_LX4_0              1
 144 #define XCHAL_HW_REL_LX4_0_1            1
 145 #define XCHAL_HW_CONFIGID_RELIABLE      1
 146 /*  If software targets a *range* of hardware versions, these are the bounds: */
 147 #define XCHAL_HW_MIN_VERSION_MAJOR      2400    /* major v of earliest tgt hw */
 148 #define XCHAL_HW_MIN_VERSION_MINOR      1       /* minor v of earliest tgt hw */
 149 #define XCHAL_HW_MIN_VERSION            240001  /* earliest targeted hw */
 150 #define XCHAL_HW_MAX_VERSION_MAJOR      2400    /* major v of latest tgt hw */
 151 #define XCHAL_HW_MAX_VERSION_MINOR      1       /* minor v of latest tgt hw */
 152 #define XCHAL_HW_MAX_VERSION            240001  /* latest targeted hw */
 153
 154
 155 /*----------------------------------------------------------------------
 156                                 CACHE
 157   ----------------------------------------------------------------------*/
 158
 159 #define XCHAL_ICACHE_LINESIZE           32      /* I-cache line size in bytes */
 160 #define XCHAL_DCACHE_LINESIZE           32      /* D-cache line size in bytes */
 161 #define XCHAL_ICACHE_LINEWIDTH          5       /* log2(I line size in bytes) */
 162 #define XCHAL_DCACHE_LINEWIDTH          5       /* log2(D line size in bytes) */
 163
 164 #define XCHAL_ICACHE_SIZE               16384   /* I-cache size in bytes or 0 */
 165 #define XCHAL_DCACHE_SIZE               16384   /* D-cache size in bytes or 0 */
 166
 167 #define XCHAL_DCACHE_IS_WRITEBACK       1       /* writeback feature */
 168 #define XCHAL_DCACHE_IS_COHERENT        0       /* MP coherence feature */
 169
 170 #define XCHAL_HAVE_PREFETCH             0       /* PREFCTL register */
 171
 172
 173
 174
 175 /****************************************************************************
 176     Parameters Useful for PRIVILEGED (Supervisory or Non-Virtualized) Code
 177  ****************************************************************************/
 178
 179
 180 #ifndef XTENSA_HAL_NON_PRIVILEGED_ONLY
 181
 182 /*----------------------------------------------------------------------
 183                                 CACHE
 184   ----------------------------------------------------------------------*/
 185
 186 #define XCHAL_HAVE_PIF                  1       /* any outbound PIF present */
 187
 188 /*  If present, cache size in bytes == (ways * 2^(linewidth + setwidth)).  */
 189
 190 /*  Number of cache sets in log2(lines per way):  */
 191 #define XCHAL_ICACHE_SETWIDTH           7
 192 #define XCHAL_DCACHE_SETWIDTH           7
 193
 194 /*  Cache set associativity (number of ways):  */
 195 #define XCHAL_ICACHE_WAYS               4
 196 #define XCHAL_DCACHE_WAYS               4
 197
 198 /*  Cache features:  */
 199 #define XCHAL_ICACHE_LINE_LOCKABLE      1
 200 #define XCHAL_DCACHE_LINE_LOCKABLE      1
 201 #define XCHAL_ICACHE_ECC_PARITY         0
 202 #define XCHAL_DCACHE_ECC_PARITY         0
 203
 204 /*  Cache access size in bytes (affects operation of SICW instruction):  */
 205 #define XCHAL_ICACHE_ACCESS_SIZE        4
 206 #define XCHAL_DCACHE_ACCESS_SIZE        4
 207
 208 /*  Number of encoded cache attr bits (see <xtensa/hal.h> for decoded bits):  */
 209 #define XCHAL_CA_BITS                   4
 210
 211
 212 /*----------------------------------------------------------------------
 213                         INTERNAL I/D RAM/ROMs and XLMI
 214   ----------------------------------------------------------------------*/
 215
 216 #define XCHAL_NUM_INSTROM               0       /* number of core instr. ROMs */
 217 #define XCHAL_NUM_INSTRAM               0       /* number of core instr. RAMs */
 218 #define XCHAL_NUM_DATAROM               0       /* number of core data ROMs */
 219 #define XCHAL_NUM_DATARAM               0       /* number of core data RAMs */
 220 #define XCHAL_NUM_URAM                  0       /* number of core unified RAMs*/
 221 #define XCHAL_NUM_XLMI                  0       /* number of core XLMI ports */
 222
 223 #define XCHAL_HAVE_IMEM_LOADSTORE       1       /* can load/store to IROM/IRAM*/
 224
 225
 226 /*----------------------------------------------------------------------
 227                         INTERRUPTS and TIMERS
 228   ----------------------------------------------------------------------*/
 229
 230 #define XCHAL_HAVE_INTERRUPTS           1       /* interrupt option */
 231 #define XCHAL_HAVE_HIGHPRI_INTERRUPTS   1       /* med/high-pri. interrupts */
 232 #define XCHAL_HAVE_NMI                  1       /* non-maskable interrupt */
 233 #define XCHAL_HAVE_CCOUNT               1       /* CCOUNT reg. (timer option) */
 234 #define XCHAL_NUM_TIMERS                3       /* number of CCOMPAREn regs */
 235 #define XCHAL_NUM_INTERRUPTS            22      /* number of interrupts */
 236 #define XCHAL_NUM_INTERRUPTS_LOG2       5       /* ceil(log2(NUM_INTERRUPTS)) */
 237 #define XCHAL_NUM_EXTINTERRUPTS         17      /* num of external interrupts */
 238 #define XCHAL_NUM_INTLEVELS             6       /* number of interrupt levels
 239 (not including level zero) */
 240 #define XCHAL_EXCM_LEVEL                3       /* level masked by PS.EXCM */
 241 /* (always 1 in XEA1; levels 2 .. EXCM_LEVEL are "medium priority") */
 242
 243 /*  Masks of interrupts at each interrupt level:  */
 244 #define XCHAL_INTLEVEL1_MASK            0x001F80FF
 245 #define XCHAL_INTLEVEL2_MASK            0x00000100
 246 #define XCHAL_INTLEVEL3_MASK            0x00200E00
 247 #define XCHAL_INTLEVEL4_MASK            0x00001000
 248 #define XCHAL_INTLEVEL5_MASK            0x00002000
 249 #define XCHAL_INTLEVEL6_MASK            0x00000000
 250 #define XCHAL_INTLEVEL7_MASK            0x00004000
 251
 252 /*  Masks of interrupts at each range 1..n of interrupt levels:  */
 253 #define XCHAL_INTLEVEL1_ANDBELOW_MASK   0x001F80FF
 254 #define XCHAL_INTLEVEL2_ANDBELOW_MASK   0x001F81FF
 255 #define XCHAL_INTLEVEL3_ANDBELOW_MASK   0x003F8FFF
 256 #define XCHAL_INTLEVEL4_ANDBELOW_MASK   0x003F9FFF
 257 #define XCHAL_INTLEVEL5_ANDBELOW_MASK   0x003FBFFF
 258 #define XCHAL_INTLEVEL6_ANDBELOW_MASK   0x003FBFFF
 259 #define XCHAL_INTLEVEL7_ANDBELOW_MASK   0x003FFFFF
 260
 261 /*  Level of each interrupt:  */
 262 #define XCHAL_INT0_LEVEL                1
 263 #define XCHAL_INT1_LEVEL                1
 264 #define XCHAL_INT2_LEVEL                1
 265 #define XCHAL_INT3_LEVEL                1
 266 #define XCHAL_INT4_LEVEL                1
 267 #define XCHAL_INT5_LEVEL                1
 268 #define XCHAL_INT6_LEVEL                1
 269 #define XCHAL_INT7_LEVEL                1
 270 #define XCHAL_INT8_LEVEL                2
 271 #define XCHAL_INT9_LEVEL                3
 272 #define XCHAL_INT10_LEVEL               3
 273 #define XCHAL_INT11_LEVEL               3
 274 #define XCHAL_INT12_LEVEL               4
 275 #define XCHAL_INT13_LEVEL               5
 276 #define XCHAL_INT14_LEVEL               7
 277 #define XCHAL_INT15_LEVEL               1
 278 #define XCHAL_INT16_LEVEL               1
 279 #define XCHAL_INT17_LEVEL               1
 280 #define XCHAL_INT18_LEVEL               1
 281 #define XCHAL_INT19_LEVEL               1
 282 #define XCHAL_INT20_LEVEL               1
 283 #define XCHAL_INT21_LEVEL               3
 284 #define XCHAL_DEBUGLEVEL                6       /* debug interrupt level */
 285 #define XCHAL_HAVE_DEBUG_EXTERN_INT     1       /* OCD external db interrupt */
 286 #define XCHAL_NMILEVEL                  7       /* NMI "level" (for use with
 287 EXCSAVE/EPS/EPC_n, RFI n) */
 288
 289 /*  Type of each interrupt:  */
 290 #define XCHAL_INT0_TYPE         XTHAL_INTTYPE_EXTERN_LEVEL
 291 #define XCHAL_INT1_TYPE         XTHAL_INTTYPE_EXTERN_LEVEL
 292 #define XCHAL_INT2_TYPE         XTHAL_INTTYPE_EXTERN_LEVEL
 293 #define XCHAL_INT3_TYPE         XTHAL_INTTYPE_EXTERN_LEVEL
 294 #define XCHAL_INT4_TYPE         XTHAL_INTTYPE_EXTERN_LEVEL
 295 #define XCHAL_INT5_TYPE         XTHAL_INTTYPE_EXTERN_LEVEL
 296 #define XCHAL_INT6_TYPE         XTHAL_INTTYPE_TIMER
 297 #define XCHAL_INT7_TYPE         XTHAL_INTTYPE_SOFTWARE
 298 #define XCHAL_INT8_TYPE         XTHAL_INTTYPE_EXTERN_LEVEL
 299 #define XCHAL_INT9_TYPE         XTHAL_INTTYPE_EXTERN_LEVEL
 300 #define XCHAL_INT10_TYPE        XTHAL_INTTYPE_TIMER
 301 #define XCHAL_INT11_TYPE        XTHAL_INTTYPE_SOFTWARE
 302 #define XCHAL_INT12_TYPE        XTHAL_INTTYPE_EXTERN_LEVEL
 303 #define XCHAL_INT13_TYPE        XTHAL_INTTYPE_TIMER
 304 #define XCHAL_INT14_TYPE        XTHAL_INTTYPE_NMI
 305 #define XCHAL_INT15_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
 306 #define XCHAL_INT16_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
 307 #define XCHAL_INT17_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
 308 #define XCHAL_INT18_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
 309 #define XCHAL_INT19_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
 310 #define XCHAL_INT20_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
 311 #define XCHAL_INT21_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
 312
 313 /*  Masks of interrupts for each type of interrupt:  */
 314 #define XCHAL_INTTYPE_MASK_UNCONFIGURED 0xFFC00000
 315 #define XCHAL_INTTYPE_MASK_SOFTWARE     0x00000880
 316 #define XCHAL_INTTYPE_MASK_EXTERN_EDGE  0x003F8000
 317 #define XCHAL_INTTYPE_MASK_EXTERN_LEVEL 0x0000133F
 318 #define XCHAL_INTTYPE_MASK_TIMER        0x00002440
 319 #define XCHAL_INTTYPE_MASK_NMI          0x00004000
 320 #define XCHAL_INTTYPE_MASK_WRITE_ERROR  0x00000000
 321
 322 /*  Interrupt numbers assigned to specific interrupt sources:  */
 323 #define XCHAL_TIMER0_INTERRUPT          6       /* CCOMPARE0 */
 324 #define XCHAL_TIMER1_INTERRUPT          10      /* CCOMPARE1 */
 325 #define XCHAL_TIMER2_INTERRUPT          13      /* CCOMPARE2 */
 326 #define XCHAL_TIMER3_INTERRUPT          XTHAL_TIMER_UNCONFIGURED
 327 #define XCHAL_NMI_INTERRUPT             14      /* non-maskable interrupt */
 328
 329 /*  Interrupt numbers for levels at which only one interrupt is configured:  */
 330 #define XCHAL_INTLEVEL2_NUM             8
 331 #define XCHAL_INTLEVEL4_NUM             12
 332 #define XCHAL_INTLEVEL5_NUM             13
 333 #define XCHAL_INTLEVEL7_NUM             14
 334 /*  (There are many interrupts each at level(s) 1, 3.)  */
 335
 336
 337 /*
 338  *  External interrupt vectors/levels.
 339  *  These macros describe how Xtensa processor interrupt numbers
 340  *  (as numbered internally, eg. in INTERRUPT and INTENABLE registers)
 341  *  map to external BInterrupt<n> pins, for those interrupts
 342  *  configured as external (level-triggered, edge-triggered, or NMI).
 343  *  See the Xtensa processor databook for more details.
 344  */
 345
 346 /*  Core interrupt numbers mapped to each EXTERNAL interrupt number:  */
 347 #define XCHAL_EXTINT0_NUM               0       /* (intlevel 1) */
 348 #define XCHAL_EXTINT1_NUM               1       /* (intlevel 1) */
 349 #define XCHAL_EXTINT2_NUM               2       /* (intlevel 1) */
 350 #define XCHAL_EXTINT3_NUM               3       /* (intlevel 1) */
 351 #define XCHAL_EXTINT4_NUM               4       /* (intlevel 1) */
 352 #define XCHAL_EXTINT5_NUM               5       /* (intlevel 1) */
 353 #define XCHAL_EXTINT6_NUM               8       /* (intlevel 2) */
 354 #define XCHAL_EXTINT7_NUM               9       /* (intlevel 3) */
 355 #define XCHAL_EXTINT8_NUM               12      /* (intlevel 4) */
 356 #define XCHAL_EXTINT9_NUM               14      /* (intlevel 7) */
 357 #define XCHAL_EXTINT10_NUM              15      /* (intlevel 1) */
 358 #define XCHAL_EXTINT11_NUM              16      /* (intlevel 1) */
 359 #define XCHAL_EXTINT12_NUM              17      /* (intlevel 1) */
 360 #define XCHAL_EXTINT13_NUM              18      /* (intlevel 1) */
 361 #define XCHAL_EXTINT14_NUM              19      /* (intlevel 1) */
 362 #define XCHAL_EXTINT15_NUM              20      /* (intlevel 1) */
 363 #define XCHAL_EXTINT16_NUM              21      /* (intlevel 3) */
 364
 365
 366 /*----------------------------------------------------------------------
 367                         EXCEPTIONS and VECTORS
 368   ----------------------------------------------------------------------*/
 369
 370 #define XCHAL_XEA_VERSION               2       /* Xtensa Exception Architecture
 371 number: 1 == XEA1 (old)
 372 2 == XEA2 (new)
 373 0 == XEAX (extern) or TX */
 374 #define XCHAL_HAVE_XEA1                 0       /* Exception Architecture 1 */
 375 #define XCHAL_HAVE_XEA2                 1       /* Exception Architecture 2 */
 376 #define XCHAL_HAVE_XEAX                 0       /* External Exception Arch. */
 377 #define XCHAL_HAVE_EXCEPTIONS           1       /* exception option */
 378 #define XCHAL_HAVE_HALT                 0       /* halt architecture option */
 379 #define XCHAL_HAVE_BOOTLOADER           0       /* boot loader (for TX) */
 380 #define XCHAL_HAVE_MEM_ECC_PARITY       0       /* local memory ECC/parity */
 381 #define XCHAL_HAVE_VECTOR_SELECT        1       /* relocatable vectors */
 382 #define XCHAL_HAVE_VECBASE              1       /* relocatable vectors */
 383 #define XCHAL_VECBASE_RESET_VADDR       0x00002000  /* VECBASE reset value */
 384 #define XCHAL_VECBASE_RESET_PADDR       0x00002000
 385 #define XCHAL_RESET_VECBASE_OVERLAP     0
 386
 387 #define XCHAL_RESET_VECTOR0_VADDR       0xFE000000
 388 #define XCHAL_RESET_VECTOR0_PADDR       0xFE000000
 389 #define XCHAL_RESET_VECTOR1_VADDR       0x00001000
 390 #define XCHAL_RESET_VECTOR1_PADDR       0x00001000
 391 #define XCHAL_RESET_VECTOR_VADDR        0xFE000000
 392 #define XCHAL_RESET_VECTOR_PADDR        0xFE000000
 393 #define XCHAL_USER_VECOFS               0x00000340
 394 #define XCHAL_USER_VECTOR_VADDR         0x00002340
 395 #define XCHAL_USER_VECTOR_PADDR         0x00002340
 396 #define XCHAL_KERNEL_VECOFS             0x00000300
 397 #define XCHAL_KERNEL_VECTOR_VADDR       0x00002300
 398 #define XCHAL_KERNEL_VECTOR_PADDR       0x00002300
 399 #define XCHAL_DOUBLEEXC_VECOFS          0x000003C0
 400 #define XCHAL_DOUBLEEXC_VECTOR_VADDR    0x000023C0
 401 #define XCHAL_DOUBLEEXC_VECTOR_PADDR    0x000023C0
 402 #define XCHAL_WINDOW_OF4_VECOFS         0x00000000
 403 #define XCHAL_WINDOW_UF4_VECOFS         0x00000040
 404 #define XCHAL_WINDOW_OF8_VECOFS         0x00000080
 405 #define XCHAL_WINDOW_UF8_VECOFS         0x000000C0
 406 #define XCHAL_WINDOW_OF12_VECOFS        0x00000100
 407 #define XCHAL_WINDOW_UF12_VECOFS        0x00000140
 408 #define XCHAL_WINDOW_VECTORS_VADDR      0x00002000
 409 #define XCHAL_WINDOW_VECTORS_PADDR      0x00002000
 410 #define XCHAL_INTLEVEL2_VECOFS          0x00000180
 411 #define XCHAL_INTLEVEL2_VECTOR_VADDR    0x00002180
 412 #define XCHAL_INTLEVEL2_VECTOR_PADDR    0x00002180
 413 #define XCHAL_INTLEVEL3_VECOFS          0x000001C0
 414 #define XCHAL_INTLEVEL3_VECTOR_VADDR    0x000021C0
 415 #define XCHAL_INTLEVEL3_VECTOR_PADDR    0x000021C0
 416 #define XCHAL_INTLEVEL4_VECOFS          0x00000200
 417 #define XCHAL_INTLEVEL4_VECTOR_VADDR    0x00002200
 418 #define XCHAL_INTLEVEL4_VECTOR_PADDR    0x00002200
 419 #define XCHAL_INTLEVEL5_VECOFS          0x00000240
 420 #define XCHAL_INTLEVEL5_VECTOR_VADDR    0x00002240
 421 #define XCHAL_INTLEVEL5_VECTOR_PADDR    0x00002240
 422 #define XCHAL_INTLEVEL6_VECOFS          0x00000280
 423 #define XCHAL_INTLEVEL6_VECTOR_VADDR    0x00002280
 424 #define XCHAL_INTLEVEL6_VECTOR_PADDR    0x00002280
 425 #define XCHAL_DEBUG_VECOFS              XCHAL_INTLEVEL6_VECOFS
 426 #define XCHAL_DEBUG_VECTOR_VADDR        XCHAL_INTLEVEL6_VECTOR_VADDR
 427 #define XCHAL_DEBUG_VECTOR_PADDR        XCHAL_INTLEVEL6_VECTOR_PADDR
 428 #define XCHAL_NMI_VECOFS                0x000002C0
 429 #define XCHAL_NMI_VECTOR_VADDR          0x000022C0
 430 #define XCHAL_NMI_VECTOR_PADDR          0x000022C0
 431 #define XCHAL_INTLEVEL7_VECOFS          XCHAL_NMI_VECOFS
 432 #define XCHAL_INTLEVEL7_VECTOR_VADDR    XCHAL_NMI_VECTOR_VADDR
 433 #define XCHAL_INTLEVEL7_VECTOR_PADDR    XCHAL_NMI_VECTOR_PADDR
 434
 435
 436 /*----------------------------------------------------------------------
 437                                 DEBUG
 438   ----------------------------------------------------------------------*/
 439
 440 #define XCHAL_HAVE_OCD                  1       /* OnChipDebug option */
 441 #define XCHAL_NUM_IBREAK                2       /* number of IBREAKn regs */
 442 #define XCHAL_NUM_DBREAK                2       /* number of DBREAKn regs */
 443 #define XCHAL_HAVE_OCD_DIR_ARRAY        1       /* faster OCD option */
 444
 445
 446 /*----------------------------------------------------------------------
 447                                 MMU
 448   ----------------------------------------------------------------------*/
 449
 450 /*  See core-matmap.h header file for more details.  */
 451
 452 #define XCHAL_HAVE_TLBS                 1       /* inverse of HAVE_CACHEATTR */
 453 #define XCHAL_HAVE_SPANNING_WAY         1       /* one way maps I+D 4GB vaddr */
 454 #define XCHAL_SPANNING_WAY              6       /* TLB spanning way number */
 455 #define XCHAL_HAVE_IDENTITY_MAP         0       /* vaddr == paddr always */
 456 #define XCHAL_HAVE_CACHEATTR            0       /* CACHEATTR register present */
 457 #define XCHAL_HAVE_MIMIC_CACHEATTR      0       /* region protection */
 458 #define XCHAL_HAVE_XLT_CACHEATTR        0       /* region prot. w/translation */
 459 #define XCHAL_HAVE_PTP_MMU              1       /* full MMU (with page table
 460 [autorefill] and protection)
 461 usable for an MMU-based OS */
 462 /*  If none of the above last 4 are set, it's a custom TLB configuration.  */
 463 #define XCHAL_ITLB_ARF_ENTRIES_LOG2     2       /* log2(autorefill way size) */
 464 #define XCHAL_DTLB_ARF_ENTRIES_LOG2     2       /* log2(autorefill way size) */
 465
 466 #define XCHAL_MMU_ASID_BITS             8       /* number of bits in ASIDs */
 467 #define XCHAL_MMU_RINGS                 4       /* number of rings (1..4) */
 468 #define XCHAL_MMU_RING_BITS             2       /* num of bits in RING field */
 469
 470 #endif /* !XTENSA_HAL_NON_PRIVILEGED_ONLY */
 471
 472
 473 #endif /* XTENSA_DC233C_CORE_ISA_H */