projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| b34f6357 | 1 | /* collection of junk waiting time to sort out |
| 153431d6 | 2 | Copyright (C) 1998, 1999, 2000, 2001, 2003 Free Software Foundation, Inc. |
| e930b1f5 | 3 | Contributed by Red Hat |
| b34f6357 DB |
4 | |
| 5 | This file is part of the GNU Simulators. | |
| 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 2, or (at your option) | |
| 10 | 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 along | |
| 18 | with this program; if not, write to the Free Software Foundation, Inc., | |
| 19 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
| 20 | ||
| 21 | #ifndef FRV_SIM_H | |
| 22 | #define FRV_SIM_H | |
| 23 | ||
| 24 | #include "sim-options.h" | |
| 25 | ||
| 26 | /* Not defined in the cgen cpu file for access restriction purposes. */ | |
| 153431d6 | 27 | #define H_SPR_ACC4 1412 |
| b34f6357 | 28 | #define H_SPR_ACC63 1471 |
| 153431d6 | 29 | #define H_SPR_ACCG4 1476 |
| b34f6357 DB |
30 | #define H_SPR_ACCG63 1535 |
| 31 | ||
| 32 | /* gdb register numbers. */ | |
| 33 | #define GR_REGNUM_MAX 63 | |
| 34 | #define FR_REGNUM_MAX 127 | |
| 35 | #define PC_REGNUM 128 | |
| 36 | #define LR_REGNUM 145 | |
| 37 | ||
| 38 | /* Initialization of the frv cpu. */ | |
| 39 | void frv_initialize (SIM_CPU *, SIM_DESC); | |
| 40 | void frv_term (SIM_DESC); | |
| 41 | void frv_power_on_reset (SIM_CPU *); | |
| 42 | void frv_hardware_reset (SIM_CPU *); | |
| 43 | void frv_software_reset (SIM_CPU *); | |
| 44 | ||
| 45 | /* The reset register. See FRV LSI section 10.3.1 */ | |
| 46 | #define RSTR_ADDRESS 0xfeff0500 | |
| 47 | #define RSTR_INITIAL_VALUE 0x00000400 | |
| 48 | #define RSTR_HARDWARE_RESET 0x00000200 | |
| 49 | #define RSTR_SOFTWARE_RESET 0x00000100 | |
| 50 | ||
| 51 | #define GET_RSTR_HR(rstr) (((rstr) >> 1) & 1) | |
| 52 | #define GET_RSTR_SR(rstr) (((rstr) ) & 1) | |
| 53 | ||
| 54 | #define SET_RSTR_H(rstr) ((rstr) |= (1 << 9)) | |
| 55 | #define SET_RSTR_S(rstr) ((rstr) |= (1 << 8)) | |
| 56 | ||
| 57 | #define CLEAR_RSTR_P(rstr) ((rstr) &= ~(1 << 10)) | |
| 58 | #define CLEAR_RSTR_H(rstr) ((rstr) &= ~(1 << 9)) | |
| 59 | #define CLEAR_RSTR_S(rstr) ((rstr) &= ~(1 << 8)) | |
| 60 | #define CLEAR_RSTR_HR(rstr) ((rstr) &= ~(1 << 1)) | |
| 61 | #define CLEAR_RSTR_SR(rstr) ((rstr) &= ~1) | |
| 62 | ||
| 63 | /* Cutomized hardware get/set functions. */ | |
| 64 | extern USI frvbf_h_spr_get_handler (SIM_CPU *, UINT); | |
| 65 | extern void frvbf_h_spr_set_handler (SIM_CPU *, UINT, USI); | |
| 66 | extern USI frvbf_h_gr_get_handler (SIM_CPU *, UINT); | |
| 67 | extern void frvbf_h_gr_set_handler (SIM_CPU *, UINT, USI); | |
| 68 | extern UHI frvbf_h_gr_hi_get_handler (SIM_CPU *, UINT); | |
| 69 | extern void frvbf_h_gr_hi_set_handler (SIM_CPU *, UINT, UHI); | |
| 70 | extern UHI frvbf_h_gr_lo_get_handler (SIM_CPU *, UINT); | |
| 71 | extern void frvbf_h_gr_lo_set_handler (SIM_CPU *, UINT, UHI); | |
| 72 | extern DI frvbf_h_gr_double_get_handler (SIM_CPU *, UINT); | |
| 73 | extern void frvbf_h_gr_double_set_handler (SIM_CPU *, UINT, DI); | |
| 74 | extern SF frvbf_h_fr_get_handler (SIM_CPU *, UINT); | |
| 75 | extern void frvbf_h_fr_set_handler (SIM_CPU *, UINT, SF); | |
| 76 | extern DF frvbf_h_fr_double_get_handler (SIM_CPU *, UINT); | |
| 77 | extern void frvbf_h_fr_double_set_handler (SIM_CPU *, UINT, DF); | |
| 78 | extern USI frvbf_h_fr_int_get_handler (SIM_CPU *, UINT); | |
| 79 | extern void frvbf_h_fr_int_set_handler (SIM_CPU *, UINT, USI); | |
| 80 | extern DI frvbf_h_cpr_double_get_handler (SIM_CPU *, UINT); | |
| 81 | extern void frvbf_h_cpr_double_set_handler (SIM_CPU *, UINT, DI); | |
| 82 | extern void frvbf_h_gr_quad_set_handler (SIM_CPU *, UINT, SI *); | |
| 83 | extern void frvbf_h_fr_quad_set_handler (SIM_CPU *, UINT, SI *); | |
| 84 | extern void frvbf_h_cpr_quad_set_handler (SIM_CPU *, UINT, SI *); | |
| 85 | extern void frvbf_h_psr_s_set_handler (SIM_CPU *, BI); | |
| 86 | ||
| 87 | extern USI spr_psr_get_handler (SIM_CPU *); | |
| 88 | extern void spr_psr_set_handler (SIM_CPU *, USI); | |
| 89 | extern USI spr_tbr_get_handler (SIM_CPU *); | |
| 90 | extern void spr_tbr_set_handler (SIM_CPU *, USI); | |
| 91 | extern USI spr_bpsr_get_handler (SIM_CPU *); | |
| 92 | extern void spr_bpsr_set_handler (SIM_CPU *, USI); | |
| 93 | extern USI spr_ccr_get_handler (SIM_CPU *); | |
| 94 | extern void spr_ccr_set_handler (SIM_CPU *, USI); | |
| 95 | extern void spr_cccr_set_handler (SIM_CPU *, USI); | |
| 96 | extern USI spr_cccr_get_handler (SIM_CPU *); | |
| 97 | extern USI spr_isr_get_handler (SIM_CPU *); | |
| 98 | extern void spr_isr_set_handler (SIM_CPU *, USI); | |
| 99 | extern USI spr_sr_get_handler (SIM_CPU *, UINT); | |
| 100 | extern void spr_sr_set_handler (SIM_CPU *, UINT, USI); | |
| 101 | ||
| 102 | extern void frvbf_switch_supervisor_user_context (SIM_CPU *); | |
| 103 | ||
| 104 | extern QI frvbf_set_icc_for_shift_left (SIM_CPU *, SI, SI, QI); | |
| 105 | extern QI frvbf_set_icc_for_shift_right (SIM_CPU *, SI, SI, QI); | |
| 106 | ||
| e930b1f5 | 107 | /* Insn semantics. */ |
| b34f6357 DB |
108 | extern void frvbf_signed_integer_divide (SIM_CPU *, SI, SI, int, int); |
| 109 | extern void frvbf_unsigned_integer_divide (SIM_CPU *, USI, USI, int, int); | |
| e930b1f5 DB |
110 | extern SI frvbf_shift_left_arith_saturate (SIM_CPU *, SI, SI); |
| 111 | extern SI frvbf_iacc_cut (SIM_CPU *, DI, SI); | |
| b34f6357 DB |
112 | |
| 113 | extern void frvbf_clear_accumulators (SIM_CPU *, SI, int); | |
| 114 | ||
| 115 | extern SI frvbf_scan_result (SIM_CPU *, SI); | |
| 116 | extern SI frvbf_cut (SIM_CPU *, SI, SI, SI); | |
| 117 | extern SI frvbf_media_cut (SIM_CPU *, DI, SI); | |
| 118 | extern SI frvbf_media_cut_ss (SIM_CPU *, DI, SI); | |
| 119 | extern void frvbf_media_cop (SIM_CPU *, int); | |
| 120 | extern UQI frvbf_cr_logic (SIM_CPU *, SI, UQI, UQI); | |
| 121 | ||
| 122 | extern void frvbf_set_write_next_vliw_addr_to_LR (SIM_CPU *, int); | |
| 123 | extern int frvbf_write_next_vliw_addr_to_LR; | |
| 124 | ||
| 125 | extern void frvbf_set_ne_index (SIM_CPU *, int); | |
| 126 | extern void frvbf_force_update (SIM_CPU *); | |
| 127 | \f | |
| 128 | #define GETTWI GETTSI | |
| 129 | #define SETTWI SETTSI | |
| 130 | #define LEUINT LEUSI | |
| 131 | \f | |
| 132 | /* Hardware/device support. | |
| 133 | ??? Will eventually want to move device stuff to config files. */ | |
| 134 | ||
| 135 | /* Support for the MCCR register (Cache Control Register) is needed in order | |
| 136 | for overlays to work correctly with the scache: cached instructions need | |
| 137 | to be flushed when the instruction space is changed at runtime. */ | |
| 138 | ||
| 139 | /* These were just copied from another port and are necessary to build, but | |
| 140 | but don't appear to be used. */ | |
| 141 | #define MCCR_ADDR 0xffffffff | |
| 142 | #define MCCR_CP 0x80 | |
| 143 | /* not supported */ | |
| 144 | #define MCCR_CM0 2 | |
| 145 | #define MCCR_CM1 1 | |
| 146 | ||
| 147 | /* sim_core_attach device argument. */ | |
| 148 | extern device frv_devices; | |
| 149 | ||
| 150 | /* FIXME: Temporary, until device support ready. */ | |
| 151 | struct _device { int foo; }; | |
| 152 | ||
| 153 | /* maintain the address of the start of the previous VLIW insn sequence. */ | |
| 154 | extern IADDR previous_vliw_pc; | |
| e930b1f5 | 155 | extern CGEN_ATTR_VALUE_TYPE frv_current_fm_slot; |
| b34f6357 DB |
156 | |
| 157 | /* Hardware status. */ | |
| 158 | #define GET_HSR0() GET_H_SPR (H_SPR_HSR0) | |
| 159 | #define SET_HSR0(hsr0) SET_H_SPR (H_SPR_HSR0, (hsr0)) | |
| 160 | ||
| 161 | #define GET_HSR0_ICE(hsr0) (((hsr0) >> 31) & 1) | |
| 162 | #define SET_HSR0_ICE(hsr0) ((hsr0) |= (1 << 31)) | |
| 163 | #define CLEAR_HSR0_ICE(hsr0) ((hsr0) &= ~(1 << 31)) | |
| 164 | ||
| 165 | #define GET_HSR0_DCE(hsr0) (((hsr0) >> 30) & 1) | |
| 166 | #define SET_HSR0_DCE(hsr0) ((hsr0) |= (1 << 30)) | |
| 167 | #define CLEAR_HSR0_DCE(hsr0) ((hsr0) &= ~(1 << 30)) | |
| 168 | ||
| 169 | #define GET_HSR0_CBM(hsr0) (((hsr0) >> 27) & 1) | |
| 170 | #define GET_HSR0_RME(hsr0) (((hsr0) >> 22) & 1) | |
| 171 | #define GET_HSR0_SA(hsr0) (((hsr0) >> 12) & 1) | |
| 172 | #define GET_HSR0_FRN(hsr0) (((hsr0) >> 11) & 1) | |
| 173 | #define GET_HSR0_GRN(hsr0) (((hsr0) >> 10) & 1) | |
| 174 | #define GET_HSR0_FRHE(hsr0) (((hsr0) >> 9) & 1) | |
| 175 | #define GET_HSR0_FRLE(hsr0) (((hsr0) >> 8) & 1) | |
| 176 | #define GET_HSR0_GRHE(hsr0) (((hsr0) >> 7) & 1) | |
| 177 | #define GET_HSR0_GRLE(hsr0) (((hsr0) >> 6) & 1) | |
| 178 | ||
| 179 | #define GET_IHSR8() GET_H_SPR (H_SPR_IHSR8) | |
| 180 | #define GET_IHSR8_NBC(ihsr8) ((ihsr8) & 1) | |
| e930b1f5 DB |
181 | #define GET_IHSR8_ICDM(ihsr8) (((ihsr8) >> 1) & 1) |
| 182 | #define GET_IHSR8_ICWE(ihsr8) (((ihsr8) >> 8) & 7) | |
| 183 | #define GET_IHSR8_DCWE(ihsr8) (((ihsr8) >> 12) & 7) | |
| b34f6357 DB |
184 | |
| 185 | void frvbf_insn_cache_preload (SIM_CPU *, SI, USI, int); | |
| 186 | void frvbf_data_cache_preload (SIM_CPU *, SI, USI, int); | |
| 187 | void frvbf_insn_cache_unlock (SIM_CPU *, SI); | |
| 188 | void frvbf_data_cache_unlock (SIM_CPU *, SI); | |
| 189 | void frvbf_insn_cache_invalidate (SIM_CPU *, SI, int); | |
| 190 | void frvbf_data_cache_invalidate (SIM_CPU *, SI, int); | |
| 191 | void frvbf_data_cache_flush (SIM_CPU *, SI, int); | |
| 192 | ||
| 193 | /* FR-V Interrupt classes. | |
| 194 | These are declared in order of increasing priority. */ | |
| 195 | enum frv_interrupt_class | |
| 196 | { | |
| 197 | FRV_EXTERNAL_INTERRUPT, | |
| 198 | FRV_SOFTWARE_INTERRUPT, | |
| 199 | FRV_PROGRAM_INTERRUPT, | |
| 200 | FRV_BREAK_INTERRUPT, | |
| 201 | FRV_RESET_INTERRUPT, | |
| 202 | NUM_FRV_INTERRUPT_CLASSES | |
| 203 | }; | |
| 204 | ||
| 205 | /* FR-V Interrupt kinds. | |
| 206 | These are declared in order of increasing priority. */ | |
| 207 | enum frv_interrupt_kind | |
| 208 | { | |
| 209 | /* External interrupts */ | |
| 210 | FRV_INTERRUPT_LEVEL_1, | |
| 211 | FRV_INTERRUPT_LEVEL_2, | |
| 212 | FRV_INTERRUPT_LEVEL_3, | |
| 213 | FRV_INTERRUPT_LEVEL_4, | |
| 214 | FRV_INTERRUPT_LEVEL_5, | |
| 215 | FRV_INTERRUPT_LEVEL_6, | |
| 216 | FRV_INTERRUPT_LEVEL_7, | |
| 217 | FRV_INTERRUPT_LEVEL_8, | |
| 218 | FRV_INTERRUPT_LEVEL_9, | |
| 219 | FRV_INTERRUPT_LEVEL_10, | |
| 220 | FRV_INTERRUPT_LEVEL_11, | |
| 221 | FRV_INTERRUPT_LEVEL_12, | |
| 222 | FRV_INTERRUPT_LEVEL_13, | |
| 223 | FRV_INTERRUPT_LEVEL_14, | |
| 224 | FRV_INTERRUPT_LEVEL_15, | |
| 225 | /* Software interrupt */ | |
| 226 | FRV_TRAP_INSTRUCTION, | |
| 227 | /* Program interrupts */ | |
| 228 | FRV_COMMIT_EXCEPTION, | |
| 229 | FRV_DIVISION_EXCEPTION, | |
| 230 | FRV_DATA_STORE_ERROR, | |
| 231 | FRV_DATA_ACCESS_EXCEPTION, | |
| 232 | FRV_DATA_ACCESS_MMU_MISS, | |
| 233 | FRV_DATA_ACCESS_ERROR, | |
| 234 | FRV_MP_EXCEPTION, | |
| 235 | FRV_FP_EXCEPTION, | |
| 236 | FRV_MEM_ADDRESS_NOT_ALIGNED, | |
| 237 | FRV_REGISTER_EXCEPTION, | |
| 238 | FRV_MP_DISABLED, | |
| 239 | FRV_FP_DISABLED, | |
| 240 | FRV_PRIVILEGED_INSTRUCTION, | |
| 241 | FRV_ILLEGAL_INSTRUCTION, | |
| 242 | FRV_INSTRUCTION_ACCESS_EXCEPTION, | |
| 243 | FRV_INSTRUCTION_ACCESS_ERROR, | |
| 244 | FRV_INSTRUCTION_ACCESS_MMU_MISS, | |
| 245 | FRV_COMPOUND_EXCEPTION, | |
| 246 | /* Break interrupt */ | |
| 247 | FRV_BREAK_EXCEPTION, | |
| 248 | /* Reset interrupt */ | |
| 249 | FRV_RESET, | |
| 250 | NUM_FRV_INTERRUPT_KINDS | |
| 251 | }; | |
| 252 | ||
| 253 | /* FRV interrupt exception codes */ | |
| 254 | enum frv_ec | |
| 255 | { | |
| 256 | FRV_EC_DATA_STORE_ERROR = 0x00, | |
| 257 | FRV_EC_INSTRUCTION_ACCESS_MMU_MISS = 0x01, | |
| 258 | FRV_EC_INSTRUCTION_ACCESS_ERROR = 0x02, | |
| 259 | FRV_EC_INSTRUCTION_ACCESS_EXCEPTION = 0x03, | |
| 260 | FRV_EC_PRIVILEGED_INSTRUCTION = 0x04, | |
| 261 | FRV_EC_ILLEGAL_INSTRUCTION = 0x05, | |
| 262 | FRV_EC_FP_DISABLED = 0x06, | |
| 263 | FRV_EC_MP_DISABLED = 0x07, | |
| 264 | FRV_EC_MEM_ADDRESS_NOT_ALIGNED = 0x0b, | |
| 265 | FRV_EC_REGISTER_EXCEPTION = 0x0c, | |
| 266 | FRV_EC_FP_EXCEPTION = 0x0d, | |
| 267 | FRV_EC_MP_EXCEPTION = 0x0e, | |
| 268 | FRV_EC_DATA_ACCESS_ERROR = 0x10, | |
| 269 | FRV_EC_DATA_ACCESS_MMU_MISS = 0x11, | |
| 270 | FRV_EC_DATA_ACCESS_EXCEPTION = 0x12, | |
| 271 | FRV_EC_DIVISION_EXCEPTION = 0x13, | |
| 272 | FRV_EC_COMMIT_EXCEPTION = 0x14, | |
| 273 | FRV_EC_NOT_EXECUTED = 0x1f, | |
| 274 | FRV_EC_INTERRUPT_LEVEL_1 = FRV_EC_NOT_EXECUTED, | |
| 275 | FRV_EC_INTERRUPT_LEVEL_2 = FRV_EC_NOT_EXECUTED, | |
| 276 | FRV_EC_INTERRUPT_LEVEL_3 = FRV_EC_NOT_EXECUTED, | |
| 277 | FRV_EC_INTERRUPT_LEVEL_4 = FRV_EC_NOT_EXECUTED, | |
| 278 | FRV_EC_INTERRUPT_LEVEL_5 = FRV_EC_NOT_EXECUTED, | |
| 279 | FRV_EC_INTERRUPT_LEVEL_6 = FRV_EC_NOT_EXECUTED, | |
| 280 | FRV_EC_INTERRUPT_LEVEL_7 = FRV_EC_NOT_EXECUTED, | |
| 281 | FRV_EC_INTERRUPT_LEVEL_8 = FRV_EC_NOT_EXECUTED, | |
| 282 | FRV_EC_INTERRUPT_LEVEL_9 = FRV_EC_NOT_EXECUTED, | |
| 283 | FRV_EC_INTERRUPT_LEVEL_10 = FRV_EC_NOT_EXECUTED, | |
| 284 | FRV_EC_INTERRUPT_LEVEL_11 = FRV_EC_NOT_EXECUTED, | |
| 285 | FRV_EC_INTERRUPT_LEVEL_12 = FRV_EC_NOT_EXECUTED, | |
| 286 | FRV_EC_INTERRUPT_LEVEL_13 = FRV_EC_NOT_EXECUTED, | |
| 287 | FRV_EC_INTERRUPT_LEVEL_14 = FRV_EC_NOT_EXECUTED, | |
| 288 | FRV_EC_INTERRUPT_LEVEL_15 = FRV_EC_NOT_EXECUTED, | |
| 289 | FRV_EC_TRAP_INSTRUCTION = FRV_EC_NOT_EXECUTED, | |
| 290 | FRV_EC_COMPOUND_EXCEPTION = FRV_EC_NOT_EXECUTED, | |
| 291 | FRV_EC_BREAK_EXCEPTION = FRV_EC_NOT_EXECUTED, | |
| 292 | FRV_EC_RESET = FRV_EC_NOT_EXECUTED | |
| 293 | }; | |
| 294 | ||
| 295 | /* FR-V Interrupt. | |
| 296 | This struct contains enough information to describe a particular interrupt | |
| 297 | occurance. */ | |
| 298 | struct frv_interrupt | |
| 299 | { | |
| 300 | enum frv_interrupt_kind kind; | |
| 301 | enum frv_ec ec; | |
| 302 | enum frv_interrupt_class iclass; | |
| 303 | unsigned char deferred; | |
| 304 | unsigned char precise; | |
| 305 | unsigned char handler_offset; | |
| 306 | }; | |
| 307 | ||
| 308 | /* FR-V Interrupt table. | |
| 309 | Describes the interrupts supported by the FR-V. */ | |
| 310 | extern struct frv_interrupt frv_interrupt_table[]; | |
| 311 | ||
| 312 | /* FR-V Interrupt State. | |
| 313 | Interrupts are queued during execution of parallel insns and the interupt(s) | |
| 314 | to be handled determined by analysing the queue after each VLIW insn. */ | |
| 315 | #define FRV_INTERRUPT_QUEUE_SIZE (4 * 4) /* 4 interrupts x 4 insns for now. */ | |
| 316 | ||
| 317 | /* register_exception codes */ | |
| 318 | enum frv_rec | |
| 319 | { | |
| 320 | FRV_REC_UNIMPLEMENTED = 0, | |
| 321 | FRV_REC_UNALIGNED = 1 | |
| 322 | }; | |
| 323 | ||
| 324 | /* instruction_access_exception codes */ | |
| 325 | enum frv_iaec | |
| 326 | { | |
| 327 | FRV_IAEC_PROTECT_VIOLATION = 1 | |
| 328 | }; | |
| 329 | ||
| 330 | /* data_access_exception codes */ | |
| 331 | enum frv_daec | |
| 332 | { | |
| 333 | FRV_DAEC_PROTECT_VIOLATION = 1 | |
| 334 | }; | |
| 335 | ||
| 336 | /* division_exception ISR codes */ | |
| 337 | enum frv_dtt | |
| 338 | { | |
| 339 | FRV_DTT_NO_EXCEPTION = 0, | |
| 340 | FRV_DTT_DIVISION_BY_ZERO = 1, | |
| 341 | FRV_DTT_OVERFLOW = 2, | |
| 342 | FRV_DTT_BOTH = 3 | |
| 343 | }; | |
| 344 | ||
| 345 | /* data written during an insn causing an interrupt */ | |
| 346 | struct frv_data_written | |
| 347 | { | |
| 348 | USI words[4]; /* Actual data in words */ | |
| 349 | int length; /* length of data written */ | |
| 350 | }; | |
| 351 | ||
| 352 | /* fp_exception info */ | |
| 353 | /* Trap codes for FSR0 and FQ registers. */ | |
| 354 | enum frv_fsr_traps | |
| 355 | { | |
| 356 | FSR_INVALID_OPERATION = 0x20, | |
| 357 | FSR_OVERFLOW = 0x10, | |
| 358 | FSR_UNDERFLOW = 0x08, | |
| 359 | FSR_DIVISION_BY_ZERO = 0x04, | |
| 360 | FSR_INEXACT = 0x02, | |
| 361 | FSR_DENORMAL_INPUT = 0x01, | |
| 362 | FSR_NO_EXCEPTION = 0 | |
| 363 | }; | |
| 364 | ||
| 365 | /* Floating point trap types for FSR. */ | |
| 366 | enum frv_fsr_ftt | |
| 367 | { | |
| 368 | FTT_NONE = 0, | |
| 369 | FTT_IEEE_754_EXCEPTION = 1, | |
| 370 | FTT_UNIMPLEMENTED_FPOP = 3, | |
| 371 | FTT_SEQUENCE_ERROR = 4, | |
| 372 | FTT_INVALID_FR = 6, | |
| 373 | FTT_DENORMAL_INPUT = 7 | |
| 374 | }; | |
| 375 | ||
| 376 | struct frv_fp_exception_info | |
| 377 | { | |
| 378 | enum frv_fsr_traps fsr_mask; /* interrupt code for FSR */ | |
| 379 | enum frv_fsr_ftt ftt; /* floating point trap type */ | |
| 380 | }; | |
| 381 | ||
| 382 | struct frv_interrupt_queue_element | |
| 383 | { | |
| 384 | enum frv_interrupt_kind kind; /* kind of interrupt */ | |
| 385 | IADDR vpc; /* address of insn causing interrupt */ | |
| 386 | int slot; /* VLIW slot containing the insn. */ | |
| 387 | USI eaddress; /* address of data access */ | |
| 388 | union { | |
| 389 | enum frv_rec rec; /* register exception code */ | |
| 390 | enum frv_iaec iaec; /* insn access exception code */ | |
| 391 | enum frv_daec daec; /* data access exception code */ | |
| 392 | enum frv_dtt dtt; /* division exception code */ | |
| 393 | struct frv_fp_exception_info fp_info; | |
| 394 | struct frv_data_written data_written; | |
| 395 | } u; | |
| 396 | }; | |
| 397 | ||
| 398 | struct frv_interrupt_timer | |
| 399 | { | |
| 400 | int enabled; | |
| 401 | unsigned value; | |
| 402 | unsigned current; | |
| 403 | enum frv_interrupt_kind interrupt; | |
| 404 | }; | |
| 405 | ||
| 406 | struct frv_interrupt_state | |
| 407 | { | |
| 408 | /* The interrupt queue */ | |
| 409 | struct frv_interrupt_queue_element queue[FRV_INTERRUPT_QUEUE_SIZE]; | |
| 410 | int queue_index; | |
| 411 | ||
| 412 | /* interrupt queue element causing imprecise interrupt. */ | |
| 413 | struct frv_interrupt_queue_element *imprecise_interrupt; | |
| 414 | ||
| 415 | /* interrupt timer. */ | |
| 416 | struct frv_interrupt_timer timer; | |
| 417 | ||
| 418 | /* The last data written stored as an array of words. */ | |
| 419 | struct frv_data_written data_written; | |
| 420 | ||
| 421 | /* The vliw slot of the insn causing the interrupt. */ | |
| 422 | int slot; | |
| 423 | ||
| 424 | /* target register index for non excepting insns. */ | |
| 425 | #define NE_NOFLAG (-1) | |
| 426 | int ne_index; | |
| 427 | ||
| 428 | /* Accumulated NE flags for non excepting floating point insns. */ | |
| 429 | SI f_ne_flags[2]; | |
| 430 | }; | |
| 431 | ||
| 432 | extern struct frv_interrupt_state frv_interrupt_state; | |
| 433 | ||
| 434 | /* Macros to manipulate the PSR. */ | |
| 435 | #define GET_PSR() GET_H_SPR (H_SPR_PSR) | |
| 436 | ||
| 437 | #define SET_PSR_ET(psr, et) ( \ | |
| 438 | (psr) = ((psr) & ~0x1) | ((et) & 0x1) \ | |
| 439 | ) | |
| 440 | ||
| 441 | #define GET_PSR_PS(psr) (((psr) >> 1) & 1) | |
| 442 | ||
| 443 | #define SET_PSR_S(psr, s) ( \ | |
| 444 | (psr) = ((psr) & ~(0x1 << 2)) | (((s) & 0x1) << 2) \ | |
| 445 | ) | |
| 446 | ||
| 447 | /* Macros to handle the ISR register. */ | |
| 448 | #define GET_ISR() GET_H_SPR (H_SPR_ISR) | |
| 449 | #define SET_ISR(isr) SET_H_SPR (H_SPR_ISR, (isr)) | |
| 450 | ||
| 451 | #define GET_ISR_EDE(isr) (((isr) >> 5) & 1) | |
| 452 | ||
| 453 | #define GET_ISR_DTT(isr) (((isr) >> 3) & 3) | |
| 454 | #define SET_ISR_DTT(isr, dtt) ( \ | |
| 455 | (isr) = ((isr) & ~(0x3 << 3)) | (((dtt) & 0x3) << 3) \ | |
| 456 | ) | |
| 457 | ||
| 458 | #define SET_ISR_AEXC(isr) ((isr) |= (1 << 2)) | |
| 459 | ||
| 460 | #define GET_ISR_EMAM(isr) ((isr) & 1) | |
| 461 | ||
| 462 | /* Macros to handle exception status registers. | |
| 463 | Get and set the hardware directly, since we may be getting/setting fields | |
| 464 | which are not accessible to the user. */ | |
| 465 | #define GET_ESR(index) \ | |
| 466 | (CPU (h_spr[H_SPR_ESR0 + (index)])) | |
| 467 | #define SET_ESR(index, esr) \ | |
| 468 | (CPU (h_spr[H_SPR_ESR0 + (index)]) = (esr)) | |
| 469 | ||
| 470 | #define SET_ESR_VALID(esr) ((esr) |= 1) | |
| 471 | #define CLEAR_ESR_VALID(esr) ((esr) &= ~1) | |
| 472 | ||
| 473 | #define SET_ESR_EC(esr, ec) ( \ | |
| 474 | (esr) = ((esr) & ~(0x1f << 1)) | (((ec) & 0x1f) << 1) \ | |
| 475 | ) | |
| 476 | ||
| 477 | #define SET_ESR_REC(esr, rec) ( \ | |
| 478 | (esr) = ((esr) & ~(0x3 << 6)) | (((rec) & 0x3) << 6) \ | |
| 479 | ) | |
| 480 | ||
| 481 | #define SET_ESR_IAEC(esr, iaec) ( \ | |
| 482 | (esr) = ((esr) & ~(0x1 << 8)) | (((iaec) & 0x1) << 8) \ | |
| 483 | ) | |
| 484 | ||
| 485 | #define SET_ESR_DAEC(esr, daec) ( \ | |
| 486 | (esr) = ((esr) & ~(0x1 << 9)) | (((daec) & 0x1) << 9) \ | |
| 487 | ) | |
| 488 | ||
| 489 | #define SET_ESR_EAV(esr) ((esr) |= (1 << 11)) | |
| 490 | #define CLEAR_ESR_EAV(esr) ((esr) &= ~(1 << 11)) | |
| 491 | ||
| 492 | #define GET_ESR_EDV(esr) (((esr) >> 12) & 1) | |
| 493 | #define SET_ESR_EDV(esr) ((esr) |= (1 << 12)) | |
| 494 | #define CLEAR_ESR_EDV(esr) ((esr) &= ~(1 << 12)) | |
| 495 | ||
| 496 | #define GET_ESR_EDN(esr) ( \ | |
| 497 | ((esr) >> 13) & 0xf \ | |
| 498 | ) | |
| 499 | #define SET_ESR_EDN(esr, edn) ( \ | |
| 500 | (esr) = ((esr) & ~(0xf << 13)) | (((edn) & 0xf) << 13) \ | |
| 501 | ) | |
| 502 | ||
| 503 | #define SET_EPCR(index, address) \ | |
| 504 | (CPU (h_spr[H_SPR_EPCR0 + (index)]) = (address)) | |
| 505 | ||
| 506 | #define SET_EAR(index, address) \ | |
| 507 | (CPU (h_spr[H_SPR_EAR0 + (index)]) = (address)) | |
| 508 | ||
| 509 | #define SET_EDR(index, edr) \ | |
| 510 | (CPU (h_spr[H_SPR_EDR0 + (index)]) = (edr)) | |
| 511 | ||
| 512 | #define GET_ESFR(index) \ | |
| 513 | (CPU (h_spr[H_SPR_ESFR0 + (index)])) | |
| 514 | #define SET_ESFR(index, esfr) \ | |
| 515 | (CPU (h_spr[H_SPR_ESFR0 + (index)]) = (esfr)) | |
| 516 | ||
| 517 | #define GET_ESFR_FLAG(findex) ( \ | |
| 518 | (findex) > 31 ? \ | |
| 519 | ((CPU (h_spr[H_SPR_ESFR0]) >> ((findex)-32)) & 1) \ | |
| 520 | : \ | |
| 521 | ((CPU (h_spr[H_SPR_ESFR1]) >> (findex)) & 1) \ | |
| 522 | ) | |
| 523 | #define SET_ESFR_FLAG(findex) ( \ | |
| 524 | (findex) > 31 ? \ | |
| 525 | (CPU (h_spr[H_SPR_ESFR0]) = \ | |
| 526 | (CPU (h_spr[H_SPR_ESFR0]) | (1 << ((findex)-32))) \ | |
| 527 | ) : \ | |
| 528 | (CPU (h_spr[H_SPR_ESFR1]) = \ | |
| 529 | (CPU (h_spr[H_SPR_ESFR1]) | (1 << (findex))) \ | |
| 530 | ) \ | |
| 531 | ) | |
| 532 | ||
| 533 | /* The FSR registers. | |
| 534 | Get and set the hardware directly, since we may be getting/setting fields | |
| 535 | which are not accessible to the user. */ | |
| 536 | #define GET_FSR(index) \ | |
| 537 | (CPU (h_spr[H_SPR_FSR0 + (index)])) | |
| 538 | #define SET_FSR(index, fsr) \ | |
| 539 | (CPU (h_spr[H_SPR_FSR0 + (index)]) = (fsr)) | |
| 540 | ||
| 541 | #define GET_FSR_TEM(fsr) ( \ | |
| 542 | ((fsr) >> 24) & 0x3f \ | |
| 543 | ) | |
| 544 | ||
| 545 | #define SET_FSR_QNE(fsr) ((fsr) |= (1 << 20)) | |
| 546 | #define GET_FSR_QNE(fsr) (((fsr) >> 20) & 1) | |
| 547 | ||
| 548 | #define SET_FSR_FTT(fsr, ftt) ( \ | |
| 549 | (fsr) = ((fsr) & ~(0x7 << 17)) | (((ftt) & 0x7) << 17) \ | |
| 550 | ) | |
| 551 | ||
| 552 | #define GET_FSR_AEXC(fsr) ( \ | |
| 553 | ((fsr) >> 10) & 0x3f \ | |
| 554 | ) | |
| 555 | #define SET_FSR_AEXC(fsr, aexc) ( \ | |
| 556 | (fsr) = ((fsr) & ~(0x3f << 10)) | (((aexc) & 0x3f) << 10) \ | |
| 557 | ) | |
| 558 | ||
| 559 | /* SIMD instruction exception codes for FQ. */ | |
| 560 | enum frv_sie | |
| 561 | { | |
| 562 | SIE_NIL = 0, | |
| 563 | SIE_FRi = 1, | |
| 564 | SIE_FRi_1 = 2 | |
| 565 | }; | |
| 566 | ||
| 567 | /* MIV field of FQ. */ | |
| 568 | enum frv_miv | |
| 569 | { | |
| 570 | MIV_FLOAT = 0, | |
| 571 | MIV_MEDIA = 1 | |
| 572 | }; | |
| 573 | ||
| 574 | /* The FQ registers are 64 bits wide and are implemented as 32 bit pairs. The | |
| 575 | index here refers to the low order 32 bit element. | |
| 576 | Get and set the hardware directly, since we may be getting/setting fields | |
| 577 | which are not accessible to the user. */ | |
| 578 | #define GET_FQ(index) \ | |
| 579 | (CPU (h_spr[H_SPR_FQST0 + 2 * (index)])) | |
| 580 | #define SET_FQ(index, fq) \ | |
| 581 | (CPU (h_spr[H_SPR_FQST0 + 2 * (index)]) = (fq)) | |
| 582 | ||
| 583 | #define SET_FQ_MIV(fq, miv) ( \ | |
| 584 | (fq) = ((fq) & ~(0x1 << 31)) | (((miv) & 0x1) << 31) \ | |
| 585 | ) | |
| 586 | ||
| 587 | #define SET_FQ_SIE(fq, sie) ( \ | |
| 588 | (fq) = ((fq) & ~(0x3 << 15)) | (((sie) & 0x3) << 15) \ | |
| 589 | ) | |
| 590 | ||
| 591 | #define SET_FQ_FTT(fq, ftt) ( \ | |
| 592 | (fq) = ((fq) & ~(0x7 << 7)) | (((ftt) & 0x7) << 7) \ | |
| 593 | ) | |
| 594 | ||
| 595 | #define SET_FQ_CEXC(fq, cexc) ( \ | |
| 596 | (fq) = ((fq) & ~(0x3f << 1)) | (((cexc) & 0x3f) << 1) \ | |
| 597 | ) | |
| 598 | ||
| 599 | #define GET_FQ_VALID(fq) ((fq) & 1) | |
| 600 | #define SET_FQ_VALID(fq) ((fq) |= 1) | |
| 601 | ||
| 602 | #define SET_FQ_OPC(index, insn) \ | |
| 603 | (CPU (h_spr[H_SPR_FQOP0 + 2 * (index)]) = (insn)) | |
| 604 | ||
| 605 | /* mp_exception support. */ | |
| 606 | /* Media trap types for MSR. */ | |
| 607 | enum frv_msr_mtt | |
| 608 | { | |
| 609 | MTT_NONE = 0, | |
| 610 | MTT_OVERFLOW = 1, | |
| 611 | MTT_ACC_NOT_ALIGNED = 2, | |
| 612 | MTT_ACC_NOT_IMPLEMENTED = 2, /* Yes -- same value as MTT_ACC_NOT_ALIGNED. */ | |
| 613 | MTT_CR_NOT_ALIGNED = 3, | |
| 614 | MTT_UNIMPLEMENTED_MPOP = 5, | |
| 615 | MTT_INVALID_FR = 6 | |
| 616 | }; | |
| 617 | ||
| 618 | /* Media status registers. | |
| 619 | Get and set the hardware directly, since we may be getting/setting fields | |
| 620 | which are not accessible to the user. */ | |
| 621 | #define GET_MSR(index) \ | |
| 622 | (CPU (h_spr[H_SPR_MSR0 + (index)])) | |
| 623 | #define SET_MSR(index, msr) \ | |
| 624 | (CPU (h_spr[H_SPR_MSR0 + (index)]) = (msr)) | |
| 625 | ||
| 626 | #define GET_MSR_AOVF(msr) ((msr) & 1) | |
| 627 | #define SET_MSR_AOVF(msr) ((msr) |= 1) | |
| 628 | ||
| 629 | #define GET_MSR_OVF(msr) ( \ | |
| 630 | ((msr) >> 1) & 0x1 \ | |
| 631 | ) | |
| 632 | #define SET_MSR_OVF(msr) ( \ | |
| 633 | (msr) |= (1 << 1) \ | |
| 634 | ) | |
| 635 | #define CLEAR_MSR_OVF(msr) ( \ | |
| 636 | (msr) &= ~(1 << 1) \ | |
| 637 | ) | |
| 638 | ||
| 639 | #define OR_MSR_SIE(msr, sie) ( \ | |
| 640 | (msr) |= (((sie) & 0xf) << 2) \ | |
| 641 | ) | |
| 642 | #define CLEAR_MSR_SIE(msr) ( \ | |
| 643 | (msr) &= ~(0xf << 2) \ | |
| 644 | ) | |
| 645 | ||
| 646 | #define GET_MSR_MTT(msr) ( \ | |
| 647 | ((msr) >> 12) & 0x7 \ | |
| 648 | ) | |
| 649 | #define SET_MSR_MTT(msr, mtt) ( \ | |
| 650 | (msr) = ((msr) & ~(0x7 << 12)) | (((mtt) & 0x7) << 12) \ | |
| 651 | ) | |
| 652 | #define GET_MSR_EMCI(msr) ( \ | |
| 653 | ((msr) >> 24) & 0x1 \ | |
| 654 | ) | |
| e930b1f5 DB |
655 | #define GET_MSR_MPEM(msr) ( \ |
| 656 | ((msr) >> 27) & 0x1 \ | |
| 657 | ) | |
| b34f6357 DB |
658 | #define GET_MSR_SRDAV(msr) ( \ |
| 659 | ((msr) >> 28) & 0x1 \ | |
| 660 | ) | |
| 661 | #define GET_MSR_RDAV(msr) ( \ | |
| 662 | ((msr) >> 29) & 0x1 \ | |
| 663 | ) | |
| 664 | #define GET_MSR_RD(msr) ( \ | |
| 665 | ((msr) >> 30) & 0x3 \ | |
| 666 | ) | |
| 667 | ||
| 668 | void frvbf_media_register_not_aligned (SIM_CPU *); | |
| 669 | void frvbf_media_acc_not_aligned (SIM_CPU *); | |
| 670 | void frvbf_media_cr_not_aligned (SIM_CPU *); | |
| 671 | void frvbf_media_overflow (SIM_CPU *, int); | |
| 672 | ||
| 673 | /* Functions for queuing and processing interrupts. */ | |
| 674 | struct frv_interrupt_queue_element * | |
| 675 | frv_queue_break_interrupt (SIM_CPU *); | |
| 676 | ||
| 677 | struct frv_interrupt_queue_element * | |
| 678 | frv_queue_software_interrupt (SIM_CPU *, SI); | |
| 679 | ||
| 680 | struct frv_interrupt_queue_element * | |
| 681 | frv_queue_program_interrupt (SIM_CPU *, enum frv_interrupt_kind); | |
| 682 | ||
| 683 | struct frv_interrupt_queue_element * | |
| 684 | frv_queue_external_interrupt (SIM_CPU *, enum frv_interrupt_kind); | |
| 685 | ||
| 686 | struct frv_interrupt_queue_element * | |
| 687 | frv_queue_illegal_instruction_interrupt (SIM_CPU *, const CGEN_INSN *); | |
| 688 | ||
| e930b1f5 DB |
689 | struct frv_interrupt_queue_element * |
| 690 | frv_queue_privileged_instruction_interrupt (SIM_CPU *, const CGEN_INSN *); | |
| 691 | ||
| 692 | struct frv_interrupt_queue_element * | |
| 693 | frv_queue_float_disabled_interrupt (SIM_CPU *); | |
| 694 | ||
| 695 | struct frv_interrupt_queue_element * | |
| 696 | frv_queue_media_disabled_interrupt (SIM_CPU *); | |
| 697 | ||
| b34f6357 DB |
698 | struct frv_interrupt_queue_element * |
| 699 | frv_queue_non_implemented_instruction_interrupt (SIM_CPU *, const CGEN_INSN *); | |
| 700 | ||
| 701 | struct frv_interrupt_queue_element * | |
| 702 | frv_queue_register_exception_interrupt (SIM_CPU *, enum frv_rec); | |
| 703 | ||
| 704 | struct frv_interrupt_queue_element * | |
| 705 | frv_queue_mem_address_not_aligned_interrupt (SIM_CPU *, USI); | |
| 706 | ||
| 707 | struct frv_interrupt_queue_element * | |
| 708 | frv_queue_data_access_error_interrupt (SIM_CPU *, USI); | |
| 709 | ||
| 710 | struct frv_interrupt_queue_element * | |
| 711 | frv_queue_instruction_access_error_interrupt (SIM_CPU *); | |
| 712 | ||
| 713 | struct frv_interrupt_queue_element * | |
| 714 | frv_queue_instruction_access_exception_interrupt (SIM_CPU *); | |
| 715 | ||
| 716 | struct frv_interrupt_queue_element * | |
| 717 | frv_queue_fp_exception_interrupt (SIM_CPU *, struct frv_fp_exception_info *); | |
| 718 | ||
| 719 | enum frv_dtt frvbf_division_exception (SIM_CPU *, enum frv_dtt, int, int); | |
| 720 | ||
| 721 | struct frv_interrupt_queue_element * | |
| 722 | frv_queue_interrupt (SIM_CPU *, enum frv_interrupt_kind); | |
| 723 | ||
| 724 | void | |
| 725 | frv_set_interrupt_queue_slot (SIM_CPU *, struct frv_interrupt_queue_element *); | |
| 726 | ||
| 727 | void frv_set_mp_exception_registers (SIM_CPU *, enum frv_msr_mtt, int); | |
| 728 | void frv_detect_insn_access_interrupts (SIM_CPU *, SCACHE *); | |
| 729 | ||
| 730 | void frv_process_interrupts (SIM_CPU *); | |
| 731 | ||
| 732 | void frv_break_interrupt (SIM_CPU *, struct frv_interrupt *, IADDR); | |
| 733 | void frv_non_operating_interrupt (SIM_CPU *, enum frv_interrupt_kind, IADDR); | |
| 734 | void frv_program_interrupt ( | |
| 735 | SIM_CPU *, struct frv_interrupt_queue_element *, IADDR | |
| 736 | ); | |
| 737 | void frv_software_interrupt ( | |
| 738 | SIM_CPU *, struct frv_interrupt_queue_element *, IADDR | |
| 739 | ); | |
| 740 | void frv_external_interrupt ( | |
| 741 | SIM_CPU *, struct frv_interrupt_queue_element *, IADDR | |
| 742 | ); | |
| 743 | void frv_program_or_software_interrupt ( | |
| 744 | SIM_CPU *, struct frv_interrupt *, IADDR | |
| 745 | ); | |
| 746 | void frv_clear_interrupt_classes ( | |
| 747 | enum frv_interrupt_class, enum frv_interrupt_class | |
| 748 | ); | |
| 749 | ||
| 750 | void | |
| 751 | frv_save_data_written_for_interrupts (SIM_CPU *, CGEN_WRITE_QUEUE_ELEMENT *); | |
| 752 | ||
| 753 | /* Special purpose traps. */ | |
| 754 | #define TRAP_SYSCALL 0x80 | |
| 755 | #define TRAP_BREAKPOINT 0x81 | |
| 756 | #define TRAP_REGDUMP1 0x82 | |
| 757 | #define TRAP_REGDUMP2 0x83 | |
| 758 | ||
| 759 | /* Handle the trap insns */ | |
| 760 | void frv_itrap (SIM_CPU *, PCADDR, USI, int); | |
| 761 | void frv_mtrap (SIM_CPU *); | |
| 762 | /* Handle the break insn. */ | |
| 763 | void frv_break (SIM_CPU *); | |
| 764 | /* Handle the rett insn. */ | |
| 765 | USI frv_rett (SIM_CPU *current_cpu, PCADDR pc, BI debug_field); | |
| 766 | ||
| 767 | /* Parallel write queue flags. */ | |
| 768 | #define FRV_WRITE_QUEUE_FORCE_WRITE 1 | |
| 769 | ||
| 770 | #define CGEN_WRITE_QUEUE_ELEMENT_PIPE(element) CGEN_WRITE_QUEUE_ELEMENT_WORD1 (element) | |
| 771 | ||
| 772 | /* Functions and macros for handling non-excepting instruction side effects. | |
| 773 | Get and set the hardware directly, since we may be getting/setting fields | |
| 774 | which are not accessible to the user. */ | |
| 775 | #define GET_NECR() (GET_H_SPR (H_SPR_NECR)) | |
| 776 | #define GET_NECR_ELOS(necr) (((necr) >> 6) & 1) | |
| 777 | #define GET_NECR_NEN(necr) (((necr) >> 1) & 0x1f) | |
| 778 | #define GET_NECR_VALID(necr) (((necr) ) & 1) | |
| 779 | ||
| 780 | #define NO_NESR (-1) | |
| 781 | /* NESR field values. See Tables 30-33 in section 4.4.2.1 of the FRV | |
| 782 | Architecture volume 1. */ | |
| 783 | #define NESR_MEM_ADDRESS_NOT_ALIGNED 0x0b | |
| 784 | #define NESR_REGISTER_NOT_ALIGNED 0x1 | |
| 785 | #define NESR_UQI_SIZE 0 | |
| 786 | #define NESR_QI_SIZE 1 | |
| 787 | #define NESR_UHI_SIZE 2 | |
| 788 | #define NESR_HI_SIZE 3 | |
| 789 | #define NESR_SI_SIZE 4 | |
| 790 | #define NESR_DI_SIZE 5 | |
| 791 | #define NESR_XI_SIZE 6 | |
| 792 | ||
| 793 | #define GET_NESR(index) GET_H_SPR (H_SPR_NESR0 + (index)) | |
| 794 | #define SET_NESR(index, value) ( \ | |
| 795 | sim_queue_fn_si_write (current_cpu, frvbf_h_spr_set, \ | |
| 796 | H_SPR_NESR0 + (index), (value)), \ | |
| 797 | frvbf_force_update (current_cpu) \ | |
| 798 | ) | |
| 799 | #define GET_NESR_VALID(nesr) ((nesr) & 1) | |
| 800 | #define SET_NESR_VALID(nesr) ((nesr) |= 1) | |
| 801 | ||
| 802 | #define SET_NESR_EAV(nesr) ((nesr) |= (1 << 31)) | |
| 803 | ||
| 804 | #define GET_NESR_FR(nesr) (((nesr) >> 30) & 1) | |
| 805 | #define SET_NESR_FR(nesr) ((nesr) |= (1 << 30)) | |
| 806 | #define CLEAR_NESR_FR(nesr) ((nesr) &= ~(1 << 30)) | |
| 807 | ||
| 808 | #define GET_NESR_DRN(nesr) (((nesr) >> 24) & 0x3f) | |
| 809 | #define SET_NESR_DRN(nesr, drn) ( \ | |
| 810 | (nesr) = ((nesr) & ~(0x3f << 24)) | (((drn) & 0x3f) << 24) \ | |
| 811 | ) | |
| 812 | ||
| 813 | #define SET_NESR_SIZE(nesr, data_size) ( \ | |
| 814 | (nesr) = ((nesr) & ~(0x7 << 21)) | (((data_size) & 0x7) << 21) \ | |
| 815 | ) | |
| 816 | ||
| 817 | #define SET_NESR_NEAN(nesr, index) ( \ | |
| 818 | (nesr) = ((nesr) & ~(0x1f << 10)) | (((index) & 0x1f) << 10) \ | |
| 819 | ) | |
| 820 | ||
| 821 | #define GET_NESR_DAEC(nesr) (((nesr) >> 9) & 1) | |
| 822 | #define SET_NESR_DAEC(nesr, daec) ( \ | |
| 823 | (nesr) = ((nesr) & ~(1 << 9)) | (((daec) & 1) << 9) \ | |
| 824 | ) | |
| 825 | ||
| 826 | #define GET_NESR_REC(nesr) (((nesr) >> 6) & 3) | |
| 827 | #define SET_NESR_REC(nesr, rec) ( \ | |
| 828 | (nesr) = ((nesr) & ~(3 << 6)) | (((rec) & 3) << 6) \ | |
| 829 | ) | |
| 830 | ||
| 831 | #define GET_NESR_EC(nesr) (((nesr) >> 1) & 0x1f) | |
| 832 | #define SET_NESR_EC(nesr, ec) ( \ | |
| 833 | (nesr) = ((nesr) & ~(0x1f << 1)) | (((ec) & 0x1f) << 1) \ | |
| 834 | ) | |
| 835 | ||
| 836 | #define SET_NEEAR(index, address) ( \ | |
| 837 | sim_queue_fn_si_write (current_cpu, frvbf_h_spr_set, \ | |
| 838 | H_SPR_NEEAR0 + (index), (address)), \ | |
| 839 | frvbf_force_update (current_cpu) \ | |
| 840 | ) | |
| 841 | ||
| 842 | #define GET_NE_FLAGS(flags, NE_base) ( \ | |
| 843 | (flags)[0] = GET_H_SPR ((NE_base)), \ | |
| 844 | (flags)[1] = GET_H_SPR ((NE_base) + 1) \ | |
| 845 | ) | |
| 846 | #define SET_NE_FLAGS(NE_base, flags) ( \ | |
| 847 | sim_queue_fn_si_write (current_cpu, frvbf_h_spr_set, (NE_base), \ | |
| 848 | (flags)[0]), \ | |
| 849 | frvbf_force_update (current_cpu), \ | |
| 850 | sim_queue_fn_si_write (current_cpu, frvbf_h_spr_set, (NE_base) + 1, \ | |
| 851 | (flags)[1]), \ | |
| 852 | frvbf_force_update (current_cpu) \ | |
| 853 | ) | |
| 854 | ||
| 855 | #define GET_NE_FLAG(flags, index) ( \ | |
| 856 | (index) > 31 ? \ | |
| 857 | ((flags[0] >> ((index) - 32)) & 1) \ | |
| 858 | : \ | |
| 859 | ((flags[1] >> (index)) & 1) \ | |
| 860 | ) | |
| 861 | #define SET_NE_FLAG(flags, index) ( \ | |
| 862 | (index) > 31 ? \ | |
| 863 | ((flags)[0] |= (1 << ((index) - 32))) \ | |
| 864 | : \ | |
| 865 | ((flags)[1] |= (1 << (index))) \ | |
| 866 | ) | |
| 867 | #define CLEAR_NE_FLAG(flags, index) ( \ | |
| 868 | (index) > 31 ? \ | |
| 869 | ((flags)[0] &= ~(1 << ((index) - 32))) \ | |
| 870 | : \ | |
| 871 | ((flags)[1] &= ~(1 << (index))) \ | |
| 872 | ) | |
| 873 | ||
| 874 | BI frvbf_check_non_excepting_load (SIM_CPU *, SI, SI, SI, SI, QI, BI); | |
| 875 | void frvbf_check_recovering_store (SIM_CPU *, PCADDR, SI, int, int); | |
| 876 | ||
| 877 | void frvbf_clear_ne_flags (SIM_CPU *, SI, BI); | |
| 878 | void frvbf_commit (SIM_CPU *, SI, BI); | |
| 879 | ||
| 880 | void frvbf_fpu_error (CGEN_FPU *, int); | |
| 881 | ||
| 882 | void frv_vliw_setup_insn (SIM_CPU *, const CGEN_INSN *); | |
| 883 | ||
| 884 | extern int insns_in_slot[]; | |
| 885 | ||
| 886 | #define COUNT_INSNS_IN_SLOT(slot) \ | |
| 887 | { \ | |
| 888 | if (WITH_PROFILE_MODEL_P) \ | |
| 889 | ++insns_in_slot[slot]; \ | |
| 890 | } | |
| 891 | ||
| 892 | #define INSNS_IN_SLOT(slot) (insns_in_slot[slot]) | |
| 893 | ||
| 894 | /* Multiple loads and stores. */ | |
| 895 | void frvbf_load_multiple_GR (SIM_CPU *, PCADDR, SI, SI, int); | |
| 896 | void frvbf_load_multiple_FRint (SIM_CPU *, PCADDR, SI, SI, int); | |
| 897 | void frvbf_load_multiple_CPR (SIM_CPU *, PCADDR, SI, SI, int); | |
| 898 | void frvbf_store_multiple_GR (SIM_CPU *, PCADDR, SI, SI, int); | |
| 899 | void frvbf_store_multiple_FRint (SIM_CPU *, PCADDR, SI, SI, int); | |
| 900 | void frvbf_store_multiple_CPR (SIM_CPU *, PCADDR, SI, SI, int); | |
| 901 | ||
| 902 | /* Memory and cache support. */ | |
| 903 | QI frvbf_read_mem_QI (SIM_CPU *, IADDR, SI); | |
| 904 | UQI frvbf_read_mem_UQI (SIM_CPU *, IADDR, SI); | |
| 905 | HI frvbf_read_mem_HI (SIM_CPU *, IADDR, SI); | |
| 906 | UHI frvbf_read_mem_UHI (SIM_CPU *, IADDR, SI); | |
| 907 | SI frvbf_read_mem_SI (SIM_CPU *, IADDR, SI); | |
| 908 | SI frvbf_read_mem_WI (SIM_CPU *, IADDR, SI); | |
| 909 | DI frvbf_read_mem_DI (SIM_CPU *, IADDR, SI); | |
| 910 | DF frvbf_read_mem_DF (SIM_CPU *, IADDR, SI); | |
| 911 | ||
| 912 | USI frvbf_read_imem_USI (SIM_CPU *, PCADDR); | |
| 913 | ||
| 914 | void frvbf_write_mem_QI (SIM_CPU *, IADDR, SI, QI); | |
| 915 | void frvbf_write_mem_UQI (SIM_CPU *, IADDR, SI, UQI); | |
| 916 | void frvbf_write_mem_HI (SIM_CPU *, IADDR, SI, HI); | |
| 917 | void frvbf_write_mem_UHI (SIM_CPU *, IADDR, SI, UHI); | |
| 918 | void frvbf_write_mem_SI (SIM_CPU *, IADDR, SI, SI); | |
| 919 | void frvbf_write_mem_WI (SIM_CPU *, IADDR, SI, SI); | |
| 920 | void frvbf_write_mem_DI (SIM_CPU *, IADDR, SI, DI); | |
| 921 | void frvbf_write_mem_DF (SIM_CPU *, IADDR, SI, DF); | |
| 922 | ||
| 923 | void frvbf_mem_set_QI (SIM_CPU *, IADDR, SI, QI); | |
| 924 | void frvbf_mem_set_HI (SIM_CPU *, IADDR, SI, HI); | |
| 925 | void frvbf_mem_set_SI (SIM_CPU *, IADDR, SI, SI); | |
| 926 | void frvbf_mem_set_DI (SIM_CPU *, IADDR, SI, DI); | |
| 927 | void frvbf_mem_set_DF (SIM_CPU *, IADDR, SI, DF); | |
| 928 | void frvbf_mem_set_XI (SIM_CPU *, IADDR, SI, SI *); | |
| 929 | ||
| 930 | void frv_set_write_queue_slot (SIM_CPU *current_cpu); | |
| 931 | ||
| 932 | /* FRV specific options. */ | |
| 933 | extern const OPTION frv_options[]; | |
| 934 | ||
| 935 | #endif /* FRV_SIM_H */ |