gdb/xtensa-config.c

   1 /* Configuration for the Xtensa architecture for GDB, the GNU debugger.
   2
   3    Copyright (C) 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include "xtensa-config.h"
  21 #include "defs.h"
  22 #include "gdbarch.h"
  23 #include "xtensa-tdep.h"
  24 #include "gdbtypes.h"
  25
  26 /* Check version of configuration file.  */
  27 #define XTENSA_CONFIG_VERSION 0x60
  28 #if XTENSA_TDEP_VERSION != XTENSA_CONFIG_VERSION
  29 #warning "xtensa-config.c version mismatch!"
  30 #endif
  31
  32
  33 /* Return the byte order from the configuration.
  34    We need this function, because the byte order is needed even
  35    before the target structure (tdep) has been set up.  */
  36
  37 int
  38 xtensa_config_byte_order (void)
  39 {
  40   return XCHAL_HAVE_BE ? BFD_ENDIAN_BIG : BFD_ENDIAN_LITTLE;
  41 }
  42
  43
  44 /* This routine returns the predefined architecture-dependent
  45    parameter structure (tdep) and register map.  */
  46
  47 struct gdbarch_tdep xtensa_tdep;
  48
  49 struct gdbarch_tdep *
  50 xtensa_config_tdep (struct gdbarch_info *info)
  51 {
  52   return &xtensa_tdep;
  53 }
  54
  55
  56 /* Masked registers.  */
  57 xtensa_reg_mask_t xtensa_submask0[] = { { 96, 0, 4 } };
  58 const xtensa_mask_t xtensa_mask0 = { 1, xtensa_submask0 };
  59 xtensa_reg_mask_t xtensa_submask1[] = { { 96, 5, 1 } };
  60 const xtensa_mask_t xtensa_mask1 = { 1, xtensa_submask1 };
  61 xtensa_reg_mask_t xtensa_submask2[] = { { 96, 18, 1 } };
  62 const xtensa_mask_t xtensa_mask2 = { 1, xtensa_submask2 };
  63 xtensa_reg_mask_t xtensa_submask3[] = { { 96, 6, 2 } };
  64 const xtensa_mask_t xtensa_mask3 = { 1, xtensa_submask3 };
  65 xtensa_reg_mask_t xtensa_submask4[] = { { 96, 4, 1 } };
  66 const xtensa_mask_t xtensa_mask4 = { 1, xtensa_submask4 };
  67 xtensa_reg_mask_t xtensa_submask5[] = { { 96, 16, 2 } };
  68 const xtensa_mask_t xtensa_mask5 = { 1, xtensa_submask5 };
  69 xtensa_reg_mask_t xtensa_submask6[] = { { 96, 8, 4 } };
  70 const xtensa_mask_t xtensa_mask6 = { 1, xtensa_submask6 };
  71 xtensa_reg_mask_t xtensa_submask7[] = { { 95, 12, 20 } };
  72 const xtensa_mask_t xtensa_mask7 = { 1, xtensa_submask7 };
  73 xtensa_reg_mask_t xtensa_submask8[] = { { 95, 0, 1 } };
  74 const xtensa_mask_t xtensa_mask8 = { 1, xtensa_submask8 };
  75 xtensa_reg_mask_t xtensa_submask9[] = { { 108, 8, 4 } };
  76 const xtensa_mask_t xtensa_mask9 = { 1, xtensa_submask9 };
  77 xtensa_reg_mask_t xtensa_submask10[] = { { 109, 24, 8 } };
  78 const xtensa_mask_t xtensa_mask10 = { 1, xtensa_submask10 };
  79 xtensa_reg_mask_t xtensa_submask11[] = { { 109, 16, 8 } };
  80 const xtensa_mask_t xtensa_mask11 = { 1, xtensa_submask11 };
  81 xtensa_reg_mask_t xtensa_submask12[] = { { 109, 8, 8 } };
  82 const xtensa_mask_t xtensa_mask12 = { 1, xtensa_submask12 };
  83 xtensa_reg_mask_t xtensa_submask13[] = { { 110, 16, 2 } };
  84 const xtensa_mask_t xtensa_mask13 = { 1, xtensa_submask13 };
  85 xtensa_reg_mask_t xtensa_submask14[] = { { 111, 16, 2 } };
  86 const xtensa_mask_t xtensa_mask14 = { 1, xtensa_submask14 };
  87 xtensa_reg_mask_t xtensa_submask15[] = { { 67, 22, 10 } };
  88 const xtensa_mask_t xtensa_mask15 = { 1, xtensa_submask15 };
  89
  90
  91 /* Register map.  */
  92 xtensa_register_t rmap[] =
  93 {
  94   { /* 0000 */ "ar0", 0, xtRegisterTypeArRegfile, 0x2, 0,
  95     32, 4, 4, 0x00000100, 0x0006, 0,
  96     0, 0 },
  97   { /* 0001 */ "ar1", 4, xtRegisterTypeArRegfile, 0x2, 0,
  98     32, 4, 4, 0x00000101, 0x0006, 0,
  99     0, 0 },
 100   { /* 0002 */ "ar2", 8, xtRegisterTypeArRegfile, 0x2, 0,
 101     32, 4, 4, 0x00000102, 0x0006, 0,
 102     0, 0 },
 103   { /* 0003 */ "ar3", 12, xtRegisterTypeArRegfile, 0x2, 0,
 104     32, 4, 4, 0x00000103, 0x0006, 0,
 105     0, 0 },
 106   { /* 0004 */ "ar4", 16, xtRegisterTypeArRegfile, 0x2, 0,
 107     32, 4, 4, 0x00000104, 0x0006, 0,
 108     0, 0 },
 109   { /* 0005 */ "ar5", 20, xtRegisterTypeArRegfile, 0x2, 0,
 110     32, 4, 4, 0x00000105, 0x0006, 0,
 111     0, 0 },
 112   { /* 0006 */ "ar6", 24, xtRegisterTypeArRegfile, 0x2, 0,
 113     32, 4, 4, 0x00000106, 0x0006, 0,
 114     0, 0 },
 115   { /* 0007 */ "ar7", 28, xtRegisterTypeArRegfile, 0x2, 0,
 116     32, 4, 4, 0x00000107, 0x0006, 0,
 117     0, 0 },
 118   { /* 0008 */ "ar8", 32, xtRegisterTypeArRegfile, 0x2, 0,
 119     32, 4, 4, 0x00000108, 0x0006, 0,
 120     0, 0 },
 121   { /* 0009 */ "ar9", 36, xtRegisterTypeArRegfile, 0x2, 0,
 122     32, 4, 4, 0x00000109, 0x0006, 0,
 123     0, 0 },
 124   { /* 0010 */ "ar10", 40, xtRegisterTypeArRegfile, 0x2, 0,
 125     32, 4, 4, 0x0000010a, 0x0006, 0,
 126     0, 0 },
 127   { /* 0011 */ "ar11", 44, xtRegisterTypeArRegfile, 0x2, 0,
 128     32, 4, 4, 0x0000010b, 0x0006, 0,
 129     0, 0 },
 130   { /* 0012 */ "ar12", 48, xtRegisterTypeArRegfile, 0x2, 0,
 131     32, 4, 4, 0x0000010c, 0x0006, 0,
 132     0, 0 },
 133   { /* 0013 */ "ar13", 52, xtRegisterTypeArRegfile, 0x2, 0,
 134     32, 4, 4, 0x0000010d, 0x0006, 0,
 135     0, 0 },
 136   { /* 0014 */ "ar14", 56, xtRegisterTypeArRegfile, 0x2, 0,
 137     32, 4, 4, 0x0000010e, 0x0006, 0,
 138     0, 0 },
 139   { /* 0015 */ "ar15", 60, xtRegisterTypeArRegfile, 0x2, 0,
 140     32, 4, 4, 0x0000010f, 0x0006, 0,
 141     0, 0 },
 142   { /* 0016 */ "ar16", 64, xtRegisterTypeArRegfile, 0x2, 0,
 143     32, 4, 4, 0x00000110, 0x0006, 0,
 144     0, 0 },
 145   { /* 0017 */ "ar17", 68, xtRegisterTypeArRegfile, 0x2, 0,
 146     32, 4, 4, 0x00000111, 0x0006, 0,
 147     0, 0 },
 148   { /* 0018 */ "ar18", 72, xtRegisterTypeArRegfile, 0x2, 0,
 149     32, 4, 4, 0x00000112, 0x0006, 0,
 150     0, 0 },
 151   { /* 0019 */ "ar19", 76, xtRegisterTypeArRegfile, 0x2, 0,
 152     32, 4, 4, 0x00000113, 0x0006, 0,
 153     0, 0 },
 154   { /* 0020 */ "ar20", 80, xtRegisterTypeArRegfile, 0x2, 0,
 155     32, 4, 4, 0x00000114, 0x0006, 0,
 156     0, 0 },
 157   { /* 0021 */ "ar21", 84, xtRegisterTypeArRegfile, 0x2, 0,
 158     32, 4, 4, 0x00000115, 0x0006, 0,
 159     0, 0 },
 160   { /* 0022 */ "ar22", 88, xtRegisterTypeArRegfile, 0x2, 0,
 161     32, 4, 4, 0x00000116, 0x0006, 0,
 162     0, 0 },
 163   { /* 0023 */ "ar23", 92, xtRegisterTypeArRegfile, 0x2, 0,
 164     32, 4, 4, 0x00000117, 0x0006, 0,
 165     0, 0 },
 166   { /* 0024 */ "ar24", 96, xtRegisterTypeArRegfile, 0x2, 0,
 167     32, 4, 4, 0x00000118, 0x0006, 0,
 168     0, 0 },
 169   { /* 0025 */ "ar25", 100, xtRegisterTypeArRegfile, 0x2, 0,
 170     32, 4, 4, 0x00000119, 0x0006, 0,
 171     0, 0 },
 172   { /* 0026 */ "ar26", 104, xtRegisterTypeArRegfile, 0x2, 0,
 173     32, 4, 4, 0x0000011a, 0x0006, 0,
 174     0, 0 },
 175   { /* 0027 */ "ar27", 108, xtRegisterTypeArRegfile, 0x2, 0,
 176     32, 4, 4, 0x0000011b, 0x0006, 0,
 177     0, 0 },
 178   { /* 0028 */ "ar28", 112, xtRegisterTypeArRegfile, 0x2, 0,
 179     32, 4, 4, 0x0000011c, 0x0006, 0,
 180     0, 0 },
 181   { /* 0029 */ "ar29", 116, xtRegisterTypeArRegfile, 0x2, 0,
 182     32, 4, 4, 0x0000011d, 0x0006, 0,
 183     0, 0 },
 184   { /* 0030 */ "ar30", 120, xtRegisterTypeArRegfile, 0x2, 0,
 185     32, 4, 4, 0x0000011e, 0x0006, 0,
 186     0, 0 },
 187   { /* 0031 */ "ar31", 124, xtRegisterTypeArRegfile, 0x2, 0,
 188     32, 4, 4, 0x0000011f, 0x0006, 0,
 189     0, 0 },
 190   { /* 0032 */ "ar32", 128, xtRegisterTypeArRegfile, 0x2, 0,
 191     32, 4, 4, 0x00000120, 0x0006, 0,
 192     0, 0 },
 193   { /* 0033 */ "ar33", 132, xtRegisterTypeArRegfile, 0x2, 0,
 194     32, 4, 4, 0x00000121, 0x0006, 0,
 195     0, 0 },
 196   { /* 0034 */ "ar34", 136, xtRegisterTypeArRegfile, 0x2, 0,
 197     32, 4, 4, 0x00000122, 0x0006, 0,
 198     0, 0 },
 199   { /* 0035 */ "ar35", 140, xtRegisterTypeArRegfile, 0x2, 0,
 200     32, 4, 4, 0x00000123, 0x0006, 0,
 201     0, 0 },
 202   { /* 0036 */ "ar36", 144, xtRegisterTypeArRegfile, 0x2, 0,
 203     32, 4, 4, 0x00000124, 0x0006, 0,
 204     0, 0 },
 205   { /* 0037 */ "ar37", 148, xtRegisterTypeArRegfile, 0x2, 0,
 206     32, 4, 4, 0x00000125, 0x0006, 0,
 207     0, 0 },
 208   { /* 0038 */ "ar38", 152, xtRegisterTypeArRegfile, 0x2, 0,
 209     32, 4, 4, 0x00000126, 0x0006, 0,
 210     0, 0 },
 211   { /* 0039 */ "ar39", 156, xtRegisterTypeArRegfile, 0x2, 0,
 212     32, 4, 4, 0x00000127, 0x0006, 0,
 213     0, 0 },
 214   { /* 0040 */ "ar40", 160, xtRegisterTypeArRegfile, 0x2, 0,
 215     32, 4, 4, 0x00000128, 0x0006, 0,
 216     0, 0 },
 217   { /* 0041 */ "ar41", 164, xtRegisterTypeArRegfile, 0x2, 0,
 218     32, 4, 4, 0x00000129, 0x0006, 0,
 219     0, 0 },
 220   { /* 0042 */ "ar42", 168, xtRegisterTypeArRegfile, 0x2, 0,
 221     32, 4, 4, 0x0000012a, 0x0006, 0,
 222     0, 0 },
 223   { /* 0043 */ "ar43", 172, xtRegisterTypeArRegfile, 0x2, 0,
 224     32, 4, 4, 0x0000012b, 0x0006, 0,
 225     0, 0 },
 226   { /* 0044 */ "ar44", 176, xtRegisterTypeArRegfile, 0x2, 0,
 227     32, 4, 4, 0x0000012c, 0x0006, 0,
 228     0, 0 },
 229   { /* 0045 */ "ar45", 180, xtRegisterTypeArRegfile, 0x2, 0,
 230     32, 4, 4, 0x0000012d, 0x0006, 0,
 231     0, 0 },
 232   { /* 0046 */ "ar46", 184, xtRegisterTypeArRegfile, 0x2, 0,
 233     32, 4, 4, 0x0000012e, 0x0006, 0,
 234     0, 0 },
 235   { /* 0047 */ "ar47", 188, xtRegisterTypeArRegfile, 0x2, 0,
 236     32, 4, 4, 0x0000012f, 0x0006, 0,
 237     0, 0 },
 238   { /* 0048 */ "ar48", 192, xtRegisterTypeArRegfile, 0x2, 0,
 239     32, 4, 4, 0x00000130, 0x0006, 0,
 240     0, 0 },
 241   { /* 0049 */ "ar49", 196, xtRegisterTypeArRegfile, 0x2, 0,
 242     32, 4, 4, 0x00000131, 0x0006, 0,
 243     0, 0 },
 244   { /* 0050 */ "ar50", 200, xtRegisterTypeArRegfile, 0x2, 0,
 245     32, 4, 4, 0x00000132, 0x0006, 0,
 246     0, 0 },
 247   { /* 0051 */ "ar51", 204, xtRegisterTypeArRegfile, 0x2, 0,
 248     32, 4, 4, 0x00000133, 0x0006, 0,
 249     0, 0 },
 250   { /* 0052 */ "ar52", 208, xtRegisterTypeArRegfile, 0x2, 0,
 251     32, 4, 4, 0x00000134, 0x0006, 0,
 252     0, 0 },
 253   { /* 0053 */ "ar53", 212, xtRegisterTypeArRegfile, 0x2, 0,
 254     32, 4, 4, 0x00000135, 0x0006, 0,
 255     0, 0 },
 256   { /* 0054 */ "ar54", 216, xtRegisterTypeArRegfile, 0x2, 0,
 257     32, 4, 4, 0x00000136, 0x0006, 0,
 258     0, 0 },
 259   { /* 0055 */ "ar55", 220, xtRegisterTypeArRegfile, 0x2, 0,
 260     32, 4, 4, 0x00000137, 0x0006, 0,
 261     0, 0 },
 262   { /* 0056 */ "ar56", 224, xtRegisterTypeArRegfile, 0x2, 0,
 263     32, 4, 4, 0x00000138, 0x0006, 0,
 264     0, 0 },
 265   { /* 0057 */ "ar57", 228, xtRegisterTypeArRegfile, 0x2, 0,
 266     32, 4, 4, 0x00000139, 0x0006, 0,
 267     0, 0 },
 268   { /* 0058 */ "ar58", 232, xtRegisterTypeArRegfile, 0x2, 0,
 269     32, 4, 4, 0x0000013a, 0x0006, 0,
 270     0, 0 },
 271   { /* 0059 */ "ar59", 236, xtRegisterTypeArRegfile, 0x2, 0,
 272     32, 4, 4, 0x0000013b, 0x0006, 0,
 273     0, 0 },
 274   { /* 0060 */ "ar60", 240, xtRegisterTypeArRegfile, 0x2, 0,
 275     32, 4, 4, 0x0000013c, 0x0006, 0,
 276     0, 0 },
 277   { /* 0061 */ "ar61", 244, xtRegisterTypeArRegfile, 0x2, 0,
 278     32, 4, 4, 0x0000013d, 0x0006, 0,
 279     0, 0 },
 280   { /* 0062 */ "ar62", 248, xtRegisterTypeArRegfile, 0x2, 0,
 281     32, 4, 4, 0x0000013e, 0x0006, 0,
 282     0, 0 },
 283   { /* 0063 */ "ar63", 252, xtRegisterTypeArRegfile, 0x2, 0,
 284     32, 4, 4, 0x0000013f, 0x0006, 0,
 285     0, 0 },
 286   { /* 0064 */ "lbeg", 256, xtRegisterTypeSpecialReg, 0x1100, 0,
 287     32, 4, 4, 0x00000200, 0x0006, 0,
 288     0, 0 },
 289   { /* 0065 */ "lend", 260, xtRegisterTypeSpecialReg, 0x1100, 0,
 290     32, 4, 4, 0x00000201, 0x0006, 0,
 291     0, 0 },
 292   { /* 0066 */ "lcount", 264, xtRegisterTypeSpecialReg, 0x1100, 0,
 293     32, 4, 4, 0x00000202, 0x0006, 0,
 294     0, 0 },
 295   { /* 0067 */ "ptevaddr", 268, xtRegisterTypeSpecialReg, 0x1000, 0,
 296     32, 4, 4, 0x00000253, 0x0007, 0,
 297     0, 0 },
 298   { /* 0068 */ "ddr", 272, xtRegisterTypeSpecialReg, 0x1000, 0,
 299     32, 4, 4, 0x00000268, 0x0007, 0,
 300     0, 0 },
 301   { /* 0069 */ "interrupt", 276, xtRegisterTypeSpecialReg, 0x1000, 0,
 302     17, 4, 4, 0x000002e2, 0x000b, 0,
 303     0, 0 },
 304   { /* 0070 */ "intset", 280, xtRegisterTypeSpecialReg, 0x1000, 0,
 305     17, 4, 4, 0x000002e2, 0x000d, 0,
 306     0, 0 },
 307   { /* 0071 */ "intclear", 284, xtRegisterTypeSpecialReg, 0x1000, 0,
 308     17, 4, 4, 0x000002e3, 0x000d, 0,
 309     0, 0 },
 310   { /* 0072 */ "ccount", 288, xtRegisterTypeSpecialReg, 0x1000, 0,
 311     32, 4, 4, 0x000002ea, 0x000f, 0,
 312     0, 0 },
 313   { /* 0073 */ "prid", 292, xtRegisterTypeSpecialReg, 0x1000, 0,
 314     32, 4, 4, 0x000002eb, 0x0003, 0,
 315     0, 0 },
 316   { /* 0074 */ "icount", 296, xtRegisterTypeSpecialReg, 0x1000, 0,
 317     32, 4, 4, 0x000002ec, 0x000f, 0,
 318     0, 0 },
 319   { /* 0075 */ "ccompare0", 300, xtRegisterTypeSpecialReg, 0x1000, 0,
 320     32, 4, 4, 0x000002f0, 0x000f, 0,
 321     0, 0 },
 322   { /* 0076 */ "ccompare1", 304, xtRegisterTypeSpecialReg, 0x1000, 0,
 323     32, 4, 4, 0x000002f1, 0x000f, 0,
 324     0, 0 },
 325   { /* 0077 */ "ccompare2", 308, xtRegisterTypeSpecialReg, 0x1000, 0,
 326     32, 4, 4, 0x000002f2, 0x000f, 0,
 327     0, 0 },
 328   { /* 0078 */ "epc1", 312, xtRegisterTypeSpecialReg, 0x1000, 0,
 329     32, 4, 4, 0x000002b1, 0x0007, 0,
 330     0, 0 },
 331   { /* 0079 */ "epc2", 316, xtRegisterTypeSpecialReg, 0x1000, 0,
 332     32, 4, 4, 0x000002b2, 0x0007, 0,
 333     0, 0 },
 334   { /* 0080 */ "epc3", 320, xtRegisterTypeSpecialReg, 0x1000, 0,
 335     32, 4, 4, 0x000002b3, 0x0007, 0,
 336     0, 0 },
 337   { /* 0081 */ "epc4", 324, xtRegisterTypeSpecialReg, 0x1000, 0,
 338     32, 4, 4, 0x000002b4, 0x0007, 0,
 339     0, 0 },
 340   { /* 0082 */ "excsave1", 328, xtRegisterTypeSpecialReg, 0x1000, 0,
 341     32, 4, 4, 0x000002d1, 0x0007, 0,
 342     0, 0 },
 343   { /* 0083 */ "excsave2", 332, xtRegisterTypeSpecialReg, 0x1000, 0,
 344     32, 4, 4, 0x000002d2, 0x0007, 0,
 345     0, 0 },
 346   { /* 0084 */ "excsave3", 336, xtRegisterTypeSpecialReg, 0x1000, 0,
 347     32, 4, 4, 0x000002d3, 0x0007, 0,
 348     0, 0 },
 349   { /* 0085 */ "excsave4", 340, xtRegisterTypeSpecialReg, 0x1000, 0,
 350     32, 4, 4, 0x000002d4, 0x0007, 0,
 351     0, 0 },
 352   { /* 0086 */ "eps2", 344, xtRegisterTypeSpecialReg, 0x1000, 0,
 353     19, 4, 4, 0x000002c2, 0x0007, 0,
 354     0, 0 },
 355   { /* 0087 */ "eps3", 348, xtRegisterTypeSpecialReg, 0x1000, 0,
 356     19, 4, 4, 0x000002c3, 0x0007, 0,
 357     0, 0 },
 358   { /* 0088 */ "eps4", 352, xtRegisterTypeSpecialReg, 0x1000, 0,
 359     19, 4, 4, 0x000002c4, 0x0007, 0,
 360     0, 0 },
 361   { /* 0089 */ "exccause", 356, xtRegisterTypeSpecialReg, 0x1000, 0,
 362     6, 4, 4, 0x000002e8, 0x0007, 0,
 363     0, 0 },
 364   { /* 0090 */ "depc", 360, xtRegisterTypeSpecialReg, 0x1000, 0,
 365     32, 4, 4, 0x000002c0, 0x0007, 0,
 366     0, 0 },
 367   { /* 0091 */ "excvaddr", 364, xtRegisterTypeSpecialReg, 0x1000, 0,
 368     32, 4, 4, 0x000002ee, 0x0007, 0,
 369     0, 0 },
 370   { /* 0092 */ "windowbase", 368, xtRegisterTypeSpecialReg, 0x1002, 0,
 371     4, 4, 4, 0x00000248, 0x0007, 0,
 372     0, 0 },
 373   { /* 0093 */ "windowstart", 372, xtRegisterTypeSpecialReg, 0x1002, 0,
 374     16, 4, 4, 0x00000249, 0x0007, 0,
 375     0, 0 },
 376   { /* 0094 */ "sar", 376, xtRegisterTypeSpecialReg, 0x1100, 0,
 377     6, 4, 4, 0x00000203, 0x0006, 0,
 378     0, 0 },
 379   { /* 0095 */ "litbase", 380, xtRegisterTypeSpecialReg, 0x1100, 0,
 380     32, 4, 4, 0x00000205, 0x0006, 0,
 381     0, 0 },
 382   { /* 0096 */ "ps", 384, xtRegisterTypeSpecialReg, 0x1100, 0,
 383     19, 4, 4, 0x000002e6, 0x0007, 0,
 384     0, 0 },
 385   { /* 0097 */ "misc0", 388, xtRegisterTypeSpecialReg, 0x1000, 0,
 386     32, 4, 4, 0x000002f4, 0x0007, 0,
 387     0, 0 },
 388   { /* 0098 */ "misc1", 392, xtRegisterTypeSpecialReg, 0x1000, 0,
 389     32, 4, 4, 0x000002f5, 0x0007, 0,
 390     0, 0 },
 391   { /* 0099 */ "intenable", 396, xtRegisterTypeSpecialReg, 0x1000, 0,
 392     17, 4, 4, 0x000002e4, 0x0007, 0,
 393     0, 0 },
 394   { /* 0100 */ "dbreaka0", 400, xtRegisterTypeSpecialReg, 0x1000, 0,
 395     32, 4, 4, 0x00000290, 0x0007, 0,
 396     0, 0 },
 397   { /* 0101 */ "dbreakc0", 404, xtRegisterTypeSpecialReg, 0x1000, 0,
 398     32, 4, 4, 0x000002a0, 0x0007, 0,
 399     0, 0 },
 400   { /* 0102 */ "dbreaka1", 408, xtRegisterTypeSpecialReg, 0x1000, 0,
 401     32, 4, 4, 0x00000291, 0x0007, 0,
 402     0, 0 },
 403   { /* 0103 */ "dbreakc1", 412, xtRegisterTypeSpecialReg, 0x1000, 0,
 404     32, 4, 4, 0x000002a1, 0x0007, 0,
 405     0, 0 },
 406   { /* 0104 */ "ibreaka0", 416, xtRegisterTypeSpecialReg, 0x1000, 0,
 407     32, 4, 4, 0x00000280, 0x0007, 0,
 408     0, 0 },
 409   { /* 0105 */ "ibreaka1", 420, xtRegisterTypeSpecialReg, 0x1000, 0,
 410     32, 4, 4, 0x00000281, 0x0007, 0,
 411     0, 0 },
 412   { /* 0106 */ "ibreakenable", 424, xtRegisterTypeSpecialReg, 0x1000, 0,
 413     2, 4, 4, 0x00000260, 0x0007, 0,
 414     0, 0 },
 415   { /* 0107 */ "icountlevel", 428, xtRegisterTypeSpecialReg, 0x1000, 0,
 416     4, 4, 4, 0x000002ed, 0x0007, 0,
 417     0, 0 },
 418   { /* 0108 */ "debugcause", 432, xtRegisterTypeSpecialReg, 0x1000, 0,
 419     12, 4, 4, 0x000002e9, 0x0003, 0,
 420     0, 0 },
 421   { /* 0109 */ "rasid", 436, xtRegisterTypeSpecialReg, 0x1000, 0,
 422     32, 4, 4, 0x0000025a, 0x0007, 0,
 423     0, 0 },
 424   { /* 0110 */ "itlbcfg", 440, xtRegisterTypeSpecialReg, 0x1000, 0,
 425     18, 4, 4, 0x0000025b, 0x0007, 0,
 426     0, 0 },
 427   { /* 0111 */ "dtlbcfg", 444, xtRegisterTypeSpecialReg, 0x1000, 0,
 428     18, 4, 4, 0x0000025c, 0x0007, 0,
 429     0, 0 },
 430   { /* 0112 */ "threadptr", 448, xtRegisterTypeUserReg, 0x110, 0,
 431     32, 4, 4, 0x000003e7, 0x0006, 0,
 432     0, 0 },
 433   { /* 0113 */ "pc", 452, xtRegisterTypeVirtual, 0x100, 0,
 434     32, 4, 4, 0x00000020, 0x0006, 0,
 435     0, 0 },
 436   { /* 0114 */ "a0", 456, xtRegisterTypeWindow, 0x100, 0,
 437     32, 4, 4, 0x00000000, 0x0006, 0,
 438     0, 0 },
 439   { /* 0115 */ "a1", 460, xtRegisterTypeWindow, 0x100, 0,
 440     32, 4, 4, 0x00000001, 0x0006, 0,
 441     0, 0 },
 442   { /* 0116 */ "a2", 464, xtRegisterTypeWindow, 0x100, 0,
 443     32, 4, 4, 0x00000002, 0x0006, 0,
 444     0, 0 },
 445   { /* 0117 */ "a3", 468, xtRegisterTypeWindow, 0x100, 0,
 446     32, 4, 4, 0x00000003, 0x0006, 0,
 447     0, 0 },
 448   { /* 0118 */ "a4", 472, xtRegisterTypeWindow, 0x100, 0,
 449     32, 4, 4, 0x00000004, 0x0006, 0,
 450     0, 0 },
 451   { /* 0119 */ "a5", 476, xtRegisterTypeWindow, 0x100, 0,
 452     32, 4, 4, 0x00000005, 0x0006, 0,
 453     0, 0 },
 454   { /* 0120 */ "a6", 480, xtRegisterTypeWindow, 0x100, 0,
 455     32, 4, 4, 0x00000006, 0x0006, 0,
 456     0, 0 },
 457   { /* 0121 */ "a7", 484, xtRegisterTypeWindow, 0x100, 0,
 458     32, 4, 4, 0x00000007, 0x0006, 0,
 459     0, 0 },
 460   { /* 0122 */ "a8", 488, xtRegisterTypeWindow, 0x100, 0,
 461     32, 4, 4, 0x00000008, 0x0006, 0,
 462     0, 0 },
 463   { /* 0123 */ "a9", 492, xtRegisterTypeWindow, 0x100, 0,
 464     32, 4, 4, 0x00000009, 0x0006, 0,
 465     0, 0 },
 466   { /* 0124 */ "a10", 496, xtRegisterTypeWindow, 0x100, 0,
 467     32, 4, 4, 0x0000000a, 0x0006, 0,
 468     0, 0 },
 469   { /* 0125 */ "a11", 500, xtRegisterTypeWindow, 0x100, 0,
 470     32, 4, 4, 0x0000000b, 0x0006, 0,
 471     0, 0 },
 472   { /* 0126 */ "a12", 504, xtRegisterTypeWindow, 0x100, 0,
 473     32, 4, 4, 0x0000000c, 0x0006, 0,
 474     0, 0 },
 475   { /* 0127 */ "a13", 508, xtRegisterTypeWindow, 0x100, 0,
 476     32, 4, 4, 0x0000000d, 0x0006, 0,
 477     0, 0 },
 478   { /* 0128 */ "a14", 512, xtRegisterTypeWindow, 0x100, 0,
 479     32, 4, 4, 0x0000000e, 0x0006, 0,
 480     0, 0 },
 481   { /* 0129 */ "a15", 516, xtRegisterTypeWindow, 0x100, 0,
 482     32, 4, 4, 0x0000000f, 0x0006, 0,
 483     0, 0 },
 484   { /* 0130 */ "psintlevel", 520, xtRegisterTypeMapped, 0x1010, 0,
 485     4, 4, 4, 0x00002004, 0x0006, &xtensa_mask0,
 486     0, 0 },
 487   { /* 0131 */ "psum", 524, xtRegisterTypeMapped, 0x1010, 0,
 488     1, 4, 4, 0x00002005, 0x0006, &xtensa_mask1,
 489     0, 0 },
 490   { /* 0132 */ "pswoe", 528, xtRegisterTypeMapped, 0x1010, 0,
 491     1, 4, 4, 0x00002006, 0x0006, &xtensa_mask2,
 492     0, 0 },
 493   { /* 0133 */ "psring", 532, xtRegisterTypeMapped, 0x1010, 0,
 494     2, 4, 4, 0x00002007, 0x0006, &xtensa_mask3,
 495     0, 0 },
 496   { /* 0134 */ "psexcm", 536, xtRegisterTypeMapped, 0x1010, 0,
 497     1, 4, 4, 0x00002008, 0x0006, &xtensa_mask4,
 498     0, 0 },
 499   { /* 0135 */ "pscallinc", 540, xtRegisterTypeMapped, 0x1010, 0,
 500     2, 4, 4, 0x00002009, 0x0006, &xtensa_mask5,
 501     0, 0 },
 502   { /* 0136 */ "psowb", 544, xtRegisterTypeMapped, 0x1010, 0,
 503     4, 4, 4, 0x0000200a, 0x0006, &xtensa_mask6,
 504     0, 0 },
 505   { /* 0137 */ "litbaddr", 548, xtRegisterTypeMapped, 0x1010, 0,
 506     20, 4, 4, 0x0000200b, 0x0006, &xtensa_mask7,
 507     0, 0 },
 508   { /* 0138 */ "litben", 552, xtRegisterTypeMapped, 0x1010, 0,
 509     1, 4, 4, 0x0000200c, 0x0006, &xtensa_mask8,
 510     0, 0 },
 511   { /* 0139 */ "dbnum", 556, xtRegisterTypeMapped, 0x1010, 0,
 512     4, 4, 4, 0x00002011, 0x0006, &xtensa_mask9,
 513     0, 0 },
 514   { /* 0140 */ "asid3", 560, xtRegisterTypeMapped, 0x1010, 0,
 515     8, 4, 4, 0x00002012, 0x0006, &xtensa_mask10,
 516     0, 0 },
 517   { /* 0141 */ "asid2", 564, xtRegisterTypeMapped, 0x1010, 0,
 518     8, 4, 4, 0x00002013, 0x0006, &xtensa_mask11,
 519     0, 0 },
 520   { /* 0142 */ "asid1", 568, xtRegisterTypeMapped, 0x1010, 0,
 521     8, 4, 4, 0x00002014, 0x0006, &xtensa_mask12,
 522     0, 0 },
 523   { /* 0143 */ "instpgszid4", 572, xtRegisterTypeMapped, 0x1010, 0,
 524     2, 4, 4, 0x00002015, 0x0006, &xtensa_mask13,
 525     0, 0 },
 526   { /* 0144 */ "datapgszid4", 576, xtRegisterTypeMapped, 0x1010, 0,
 527     2, 4, 4, 0x00002016, 0x0006, &xtensa_mask14,
 528     0, 0 },
 529   { /* 0145 */ "ptbase", 580, xtRegisterTypeMapped, 0x1010, 0,
 530     10, 4, 4, 0x00002017, 0x0006, &xtensa_mask15,
 531     0, 0 },
 532 };
 533
 534
 535 struct gdbarch_tdep xtensa_tdep =
 536 {
 537   /* target_flags */                    0,
 538   /* spill_location */                  -1,
 539   /* spill_size */                      0,
 540   /* unused */                          0,
 541   /* call_abi */                        0,
 542   /* debug_interrupt_level */           XCHAL_DEBUGLEVEL,
 543   /* icache_line_bytes */               XCHAL_ICACHE_LINESIZE,
 544   /* dcache_line_bytes */               XCHAL_DCACHE_LINESIZE,
 545   /* dcache_writeback */                XCHAL_DCACHE_IS_WRITEBACK,
 546   /* isa_use_windowed_registers */      XCHAL_HAVE_WINDOWED,
 547   /* isa_use_density_instructions */    XCHAL_HAVE_DENSITY,
 548   /* isa_use_exceptions */              1,
 549   /* isa_use_ext_l32r */                0 /* XCHAL_USE_ABSOLUTE_LITERALS */,
 550   /* isa_max_insn_size */               3,
 551   /* debug_num_ibreaks */               XCHAL_NUM_IBREAK,
 552   /* debug_num_dbreaks */               XCHAL_NUM_DBREAK,
 553   /* rmap */                            rmap,
 554   /* num_regs */                        114,
 555   /* num_pseudo_regs */                 32,
 556   /* num_aregs */                       64,
 557   /* num_contexts */                    0,
 558   /* ar_base */                         0,
 559   /* a0_base */                         114,
 560   /* wb_regnum */                       92,
 561   /* ws_regnum */                       93,
 562   /* pc_regnum */                       113,
 563   /* ps_regnum */                       96,
 564   /* lbeg_regnum */                     64,
 565   /* lend_regnum */                     65,
 566   /* lcount_regnum */                   66,
 567   /* sar_regnum */                      94,
 568   /* litbase_regnum */                  0,
 569   /* debugcause_regnum */               108,
 570   /* exccause_regnum */                 89,
 571   /* excvaddr_regnum */                 91,
 572   /* max_register_raw_size */           4,
 573   /* max_register_virtual_size */       4,
 574   /* fp_layout */                       0,
 575   /* fp_layout_bytes */                 0,
 576   /* gregmap */                         0
 577 };