| 1 | /* collection of junk waiting time to sort out |
| 2 | Copyright (C) 1998-2014 Free Software Foundation, Inc. |
| 3 | Contributed by Red Hat |
| 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 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 | #ifndef FRV_SIM_H |
| 21 | #define FRV_SIM_H |
| 22 | |
| 23 | #include "sim-options.h" |
| 24 | |
| 25 | /* True if SPR is the number of accumulator or accumulator guard register. */ |
| 26 | #define SPR_IS_ACC(SPR) ((SPR) >= 1408 && (SPR) <= 1535) |
| 27 | |
| 28 | /* Initialization of the frv cpu. */ |
| 29 | void frv_initialize (SIM_CPU *, SIM_DESC); |
| 30 | void frv_term (SIM_DESC); |
| 31 | void frv_power_on_reset (SIM_CPU *); |
| 32 | void frv_hardware_reset (SIM_CPU *); |
| 33 | void frv_software_reset (SIM_CPU *); |
| 34 | |
| 35 | /* The reset register. See FRV LSI section 10.3.1 */ |
| 36 | #define RSTR_ADDRESS 0xfeff0500 |
| 37 | #define RSTR_INITIAL_VALUE 0x00000400 |
| 38 | #define RSTR_HARDWARE_RESET 0x00000200 |
| 39 | #define RSTR_SOFTWARE_RESET 0x00000100 |
| 40 | |
| 41 | #define GET_RSTR_HR(rstr) (((rstr) >> 1) & 1) |
| 42 | #define GET_RSTR_SR(rstr) (((rstr) ) & 1) |
| 43 | |
| 44 | #define SET_RSTR_H(rstr) ((rstr) |= (1 << 9)) |
| 45 | #define SET_RSTR_S(rstr) ((rstr) |= (1 << 8)) |
| 46 | |
| 47 | #define CLEAR_RSTR_P(rstr) ((rstr) &= ~(1 << 10)) |
| 48 | #define CLEAR_RSTR_H(rstr) ((rstr) &= ~(1 << 9)) |
| 49 | #define CLEAR_RSTR_S(rstr) ((rstr) &= ~(1 << 8)) |
| 50 | #define CLEAR_RSTR_HR(rstr) ((rstr) &= ~(1 << 1)) |
| 51 | #define CLEAR_RSTR_SR(rstr) ((rstr) &= ~1) |
| 52 | |
| 53 | /* Cutomized hardware get/set functions. */ |
| 54 | extern USI frvbf_h_spr_get_handler (SIM_CPU *, UINT); |
| 55 | extern void frvbf_h_spr_set_handler (SIM_CPU *, UINT, USI); |
| 56 | extern USI frvbf_h_gr_get_handler (SIM_CPU *, UINT); |
| 57 | extern void frvbf_h_gr_set_handler (SIM_CPU *, UINT, USI); |
| 58 | extern UHI frvbf_h_gr_hi_get_handler (SIM_CPU *, UINT); |
| 59 | extern void frvbf_h_gr_hi_set_handler (SIM_CPU *, UINT, UHI); |
| 60 | extern UHI frvbf_h_gr_lo_get_handler (SIM_CPU *, UINT); |
| 61 | extern void frvbf_h_gr_lo_set_handler (SIM_CPU *, UINT, UHI); |
| 62 | extern DI frvbf_h_gr_double_get_handler (SIM_CPU *, UINT); |
| 63 | extern void frvbf_h_gr_double_set_handler (SIM_CPU *, UINT, DI); |
| 64 | extern SF frvbf_h_fr_get_handler (SIM_CPU *, UINT); |
| 65 | extern void frvbf_h_fr_set_handler (SIM_CPU *, UINT, SF); |
| 66 | extern DF frvbf_h_fr_double_get_handler (SIM_CPU *, UINT); |
| 67 | extern void frvbf_h_fr_double_set_handler (SIM_CPU *, UINT, DF); |
| 68 | extern USI frvbf_h_fr_int_get_handler (SIM_CPU *, UINT); |
| 69 | extern void frvbf_h_fr_int_set_handler (SIM_CPU *, UINT, USI); |
| 70 | extern DI frvbf_h_cpr_double_get_handler (SIM_CPU *, UINT); |
| 71 | extern void frvbf_h_cpr_double_set_handler (SIM_CPU *, UINT, DI); |
| 72 | extern void frvbf_h_gr_quad_set_handler (SIM_CPU *, UINT, SI *); |
| 73 | extern void frvbf_h_fr_quad_set_handler (SIM_CPU *, UINT, SI *); |
| 74 | extern void frvbf_h_cpr_quad_set_handler (SIM_CPU *, UINT, SI *); |
| 75 | extern void frvbf_h_psr_s_set_handler (SIM_CPU *, BI); |
| 76 | |
| 77 | extern USI spr_psr_get_handler (SIM_CPU *); |
| 78 | extern void spr_psr_set_handler (SIM_CPU *, USI); |
| 79 | extern USI spr_tbr_get_handler (SIM_CPU *); |
| 80 | extern void spr_tbr_set_handler (SIM_CPU *, USI); |
| 81 | extern USI spr_bpsr_get_handler (SIM_CPU *); |
| 82 | extern void spr_bpsr_set_handler (SIM_CPU *, USI); |
| 83 | extern USI spr_ccr_get_handler (SIM_CPU *); |
| 84 | extern void spr_ccr_set_handler (SIM_CPU *, USI); |
| 85 | extern void spr_cccr_set_handler (SIM_CPU *, USI); |
| 86 | extern USI spr_cccr_get_handler (SIM_CPU *); |
| 87 | extern USI spr_isr_get_handler (SIM_CPU *); |
| 88 | extern void spr_isr_set_handler (SIM_CPU *, USI); |
| 89 | extern USI spr_sr_get_handler (SIM_CPU *, UINT); |
| 90 | extern void spr_sr_set_handler (SIM_CPU *, UINT, USI); |
| 91 | |
| 92 | extern void frvbf_switch_supervisor_user_context (SIM_CPU *); |
| 93 | |
| 94 | extern QI frvbf_set_icc_for_shift_left (SIM_CPU *, SI, SI, QI); |
| 95 | extern QI frvbf_set_icc_for_shift_right (SIM_CPU *, SI, SI, QI); |
| 96 | |
| 97 | /* Insn semantics. */ |
| 98 | extern void frvbf_signed_integer_divide (SIM_CPU *, SI, SI, int, int); |
| 99 | extern void frvbf_unsigned_integer_divide (SIM_CPU *, USI, USI, int, int); |
| 100 | extern SI frvbf_shift_left_arith_saturate (SIM_CPU *, SI, SI); |
| 101 | extern SI frvbf_iacc_cut (SIM_CPU *, DI, SI); |
| 102 | |
| 103 | extern void frvbf_clear_accumulators (SIM_CPU *, SI, int); |
| 104 | |
| 105 | extern SI frvbf_scan_result (SIM_CPU *, SI); |
| 106 | extern SI frvbf_cut (SIM_CPU *, SI, SI, SI); |
| 107 | extern SI frvbf_media_cut (SIM_CPU *, DI, SI); |
| 108 | extern SI frvbf_media_cut_ss (SIM_CPU *, DI, SI); |
| 109 | extern void frvbf_media_cop (SIM_CPU *, int); |
| 110 | extern UQI frvbf_cr_logic (SIM_CPU *, SI, UQI, UQI); |
| 111 | |
| 112 | extern void frvbf_set_write_next_vliw_addr_to_LR (SIM_CPU *, int); |
| 113 | extern int frvbf_write_next_vliw_addr_to_LR; |
| 114 | |
| 115 | extern void frvbf_set_ne_index (SIM_CPU *, int); |
| 116 | extern void frvbf_force_update (SIM_CPU *); |
| 117 | \f |
| 118 | #define GETTWI GETTSI |
| 119 | #define SETTWI SETTSI |
| 120 | #define LEUINT LEUSI |
| 121 | \f |
| 122 | /* Hardware/device support. |
| 123 | ??? Will eventually want to move device stuff to config files. */ |
| 124 | |
| 125 | /* Support for the MCCR register (Cache Control Register) is needed in order |
| 126 | for overlays to work correctly with the scache: cached instructions need |
| 127 | to be flushed when the instruction space is changed at runtime. */ |
| 128 | |
| 129 | /* These were just copied from another port and are necessary to build, but |
| 130 | but don't appear to be used. */ |
| 131 | #define MCCR_ADDR 0xffffffff |
| 132 | #define MCCR_CP 0x80 |
| 133 | /* not supported */ |
| 134 | #define MCCR_CM0 2 |
| 135 | #define MCCR_CM1 1 |
| 136 | |
| 137 | /* sim_core_attach device argument. */ |
| 138 | extern device frv_devices; |
| 139 | |
| 140 | /* FIXME: Temporary, until device support ready. */ |
| 141 | struct _device { int foo; }; |
| 142 | |
| 143 | /* maintain the address of the start of the previous VLIW insn sequence. */ |
| 144 | extern IADDR previous_vliw_pc; |
| 145 | extern CGEN_ATTR_VALUE_ENUM_TYPE frv_current_fm_slot; |
| 146 | |
| 147 | /* Hardware status. */ |
| 148 | #define GET_HSR0() GET_H_SPR (H_SPR_HSR0) |
| 149 | #define SET_HSR0(hsr0) SET_H_SPR (H_SPR_HSR0, (hsr0)) |
| 150 | |
| 151 | #define GET_HSR0_ICE(hsr0) (((hsr0) >> 31) & 1) |
| 152 | #define SET_HSR0_ICE(hsr0) ((hsr0) |= (1 << 31)) |
| 153 | #define CLEAR_HSR0_ICE(hsr0) ((hsr0) &= ~(1 << 31)) |
| 154 | |
| 155 | #define GET_HSR0_DCE(hsr0) (((hsr0) >> 30) & 1) |
| 156 | #define SET_HSR0_DCE(hsr0) ((hsr0) |= (1 << 30)) |
| 157 | #define CLEAR_HSR0_DCE(hsr0) ((hsr0) &= ~(1 << 30)) |
| 158 | |
| 159 | #define GET_HSR0_CBM(hsr0) (((hsr0) >> 27) & 1) |
| 160 | #define GET_HSR0_RME(hsr0) (((hsr0) >> 22) & 1) |
| 161 | #define GET_HSR0_SA(hsr0) (((hsr0) >> 12) & 1) |
| 162 | #define GET_HSR0_FRN(hsr0) (((hsr0) >> 11) & 1) |
| 163 | #define GET_HSR0_GRN(hsr0) (((hsr0) >> 10) & 1) |
| 164 | #define GET_HSR0_FRHE(hsr0) (((hsr0) >> 9) & 1) |
| 165 | #define GET_HSR0_FRLE(hsr0) (((hsr0) >> 8) & 1) |
| 166 | #define GET_HSR0_GRHE(hsr0) (((hsr0) >> 7) & 1) |
| 167 | #define GET_HSR0_GRLE(hsr0) (((hsr0) >> 6) & 1) |
| 168 | |
| 169 | #define GET_IHSR8() GET_H_SPR (H_SPR_IHSR8) |
| 170 | #define GET_IHSR8_NBC(ihsr8) ((ihsr8) & 1) |
| 171 | #define GET_IHSR8_ICDM(ihsr8) (((ihsr8) >> 1) & 1) |
| 172 | #define GET_IHSR8_ICWE(ihsr8) (((ihsr8) >> 8) & 7) |
| 173 | #define GET_IHSR8_DCWE(ihsr8) (((ihsr8) >> 12) & 7) |
| 174 | |
| 175 | void frvbf_insn_cache_preload (SIM_CPU *, SI, USI, int); |
| 176 | void frvbf_data_cache_preload (SIM_CPU *, SI, USI, int); |
| 177 | void frvbf_insn_cache_unlock (SIM_CPU *, SI); |
| 178 | void frvbf_data_cache_unlock (SIM_CPU *, SI); |
| 179 | void frvbf_insn_cache_invalidate (SIM_CPU *, SI, int); |
| 180 | void frvbf_data_cache_invalidate (SIM_CPU *, SI, int); |
| 181 | void frvbf_data_cache_flush (SIM_CPU *, SI, int); |
| 182 | |
| 183 | /* FR-V Interrupt classes. |
| 184 | These are declared in order of increasing priority. */ |
| 185 | enum frv_interrupt_class |
| 186 | { |
| 187 | FRV_EXTERNAL_INTERRUPT, |
| 188 | FRV_SOFTWARE_INTERRUPT, |
| 189 | FRV_PROGRAM_INTERRUPT, |
| 190 | FRV_BREAK_INTERRUPT, |
| 191 | FRV_RESET_INTERRUPT, |
| 192 | NUM_FRV_INTERRUPT_CLASSES |
| 193 | }; |
| 194 | |
| 195 | /* FR-V Interrupt kinds. |
| 196 | These are declared in order of increasing priority. */ |
| 197 | enum frv_interrupt_kind |
| 198 | { |
| 199 | /* External interrupts */ |
| 200 | FRV_INTERRUPT_LEVEL_1, |
| 201 | FRV_INTERRUPT_LEVEL_2, |
| 202 | FRV_INTERRUPT_LEVEL_3, |
| 203 | FRV_INTERRUPT_LEVEL_4, |
| 204 | FRV_INTERRUPT_LEVEL_5, |
| 205 | FRV_INTERRUPT_LEVEL_6, |
| 206 | FRV_INTERRUPT_LEVEL_7, |
| 207 | FRV_INTERRUPT_LEVEL_8, |
| 208 | FRV_INTERRUPT_LEVEL_9, |
| 209 | FRV_INTERRUPT_LEVEL_10, |
| 210 | FRV_INTERRUPT_LEVEL_11, |
| 211 | FRV_INTERRUPT_LEVEL_12, |
| 212 | FRV_INTERRUPT_LEVEL_13, |
| 213 | FRV_INTERRUPT_LEVEL_14, |
| 214 | FRV_INTERRUPT_LEVEL_15, |
| 215 | /* Software interrupt */ |
| 216 | FRV_TRAP_INSTRUCTION, |
| 217 | /* Program interrupts */ |
| 218 | FRV_COMMIT_EXCEPTION, |
| 219 | FRV_DIVISION_EXCEPTION, |
| 220 | FRV_DATA_STORE_ERROR, |
| 221 | FRV_DATA_ACCESS_EXCEPTION, |
| 222 | FRV_DATA_ACCESS_MMU_MISS, |
| 223 | FRV_DATA_ACCESS_ERROR, |
| 224 | FRV_MP_EXCEPTION, |
| 225 | FRV_FP_EXCEPTION, |
| 226 | FRV_MEM_ADDRESS_NOT_ALIGNED, |
| 227 | FRV_REGISTER_EXCEPTION, |
| 228 | FRV_MP_DISABLED, |
| 229 | FRV_FP_DISABLED, |
| 230 | FRV_PRIVILEGED_INSTRUCTION, |
| 231 | FRV_ILLEGAL_INSTRUCTION, |
| 232 | FRV_INSTRUCTION_ACCESS_EXCEPTION, |
| 233 | FRV_INSTRUCTION_ACCESS_ERROR, |
| 234 | FRV_INSTRUCTION_ACCESS_MMU_MISS, |
| 235 | FRV_COMPOUND_EXCEPTION, |
| 236 | /* Break interrupt */ |
| 237 | FRV_BREAK_EXCEPTION, |
| 238 | /* Reset interrupt */ |
| 239 | FRV_RESET, |
| 240 | NUM_FRV_INTERRUPT_KINDS |
| 241 | }; |
| 242 | |
| 243 | /* FRV interrupt exception codes */ |
| 244 | enum frv_ec |
| 245 | { |
| 246 | FRV_EC_DATA_STORE_ERROR = 0x00, |
| 247 | FRV_EC_INSTRUCTION_ACCESS_MMU_MISS = 0x01, |
| 248 | FRV_EC_INSTRUCTION_ACCESS_ERROR = 0x02, |
| 249 | FRV_EC_INSTRUCTION_ACCESS_EXCEPTION = 0x03, |
| 250 | FRV_EC_PRIVILEGED_INSTRUCTION = 0x04, |
| 251 | FRV_EC_ILLEGAL_INSTRUCTION = 0x05, |
| 252 | FRV_EC_FP_DISABLED = 0x06, |
| 253 | FRV_EC_MP_DISABLED = 0x07, |
| 254 | FRV_EC_MEM_ADDRESS_NOT_ALIGNED = 0x0b, |
| 255 | FRV_EC_REGISTER_EXCEPTION = 0x0c, |
| 256 | FRV_EC_FP_EXCEPTION = 0x0d, |
| 257 | FRV_EC_MP_EXCEPTION = 0x0e, |
| 258 | FRV_EC_DATA_ACCESS_ERROR = 0x10, |
| 259 | FRV_EC_DATA_ACCESS_MMU_MISS = 0x11, |
| 260 | FRV_EC_DATA_ACCESS_EXCEPTION = 0x12, |
| 261 | FRV_EC_DIVISION_EXCEPTION = 0x13, |
| 262 | FRV_EC_COMMIT_EXCEPTION = 0x14, |
| 263 | FRV_EC_NOT_EXECUTED = 0x1f, |
| 264 | FRV_EC_INTERRUPT_LEVEL_1 = FRV_EC_NOT_EXECUTED, |
| 265 | FRV_EC_INTERRUPT_LEVEL_2 = FRV_EC_NOT_EXECUTED, |
| 266 | FRV_EC_INTERRUPT_LEVEL_3 = FRV_EC_NOT_EXECUTED, |
| 267 | FRV_EC_INTERRUPT_LEVEL_4 = FRV_EC_NOT_EXECUTED, |
| 268 | FRV_EC_INTERRUPT_LEVEL_5 = FRV_EC_NOT_EXECUTED, |
| 269 | FRV_EC_INTERRUPT_LEVEL_6 = FRV_EC_NOT_EXECUTED, |
| 270 | FRV_EC_INTERRUPT_LEVEL_7 = FRV_EC_NOT_EXECUTED, |
| 271 | FRV_EC_INTERRUPT_LEVEL_8 = FRV_EC_NOT_EXECUTED, |
| 272 | FRV_EC_INTERRUPT_LEVEL_9 = FRV_EC_NOT_EXECUTED, |
| 273 | FRV_EC_INTERRUPT_LEVEL_10 = FRV_EC_NOT_EXECUTED, |
| 274 | FRV_EC_INTERRUPT_LEVEL_11 = FRV_EC_NOT_EXECUTED, |
| 275 | FRV_EC_INTERRUPT_LEVEL_12 = FRV_EC_NOT_EXECUTED, |
| 276 | FRV_EC_INTERRUPT_LEVEL_13 = FRV_EC_NOT_EXECUTED, |
| 277 | FRV_EC_INTERRUPT_LEVEL_14 = FRV_EC_NOT_EXECUTED, |
| 278 | FRV_EC_INTERRUPT_LEVEL_15 = FRV_EC_NOT_EXECUTED, |
| 279 | FRV_EC_TRAP_INSTRUCTION = FRV_EC_NOT_EXECUTED, |
| 280 | FRV_EC_COMPOUND_EXCEPTION = FRV_EC_NOT_EXECUTED, |
| 281 | FRV_EC_BREAK_EXCEPTION = FRV_EC_NOT_EXECUTED, |
| 282 | FRV_EC_RESET = FRV_EC_NOT_EXECUTED |
| 283 | }; |
| 284 | |
| 285 | /* FR-V Interrupt. |
| 286 | This struct contains enough information to describe a particular interrupt |
| 287 | occurance. */ |
| 288 | struct frv_interrupt |
| 289 | { |
| 290 | enum frv_interrupt_kind kind; |
| 291 | enum frv_ec ec; |
| 292 | enum frv_interrupt_class iclass; |
| 293 | unsigned char deferred; |
| 294 | unsigned char precise; |
| 295 | unsigned char handler_offset; |
| 296 | }; |
| 297 | |
| 298 | /* FR-V Interrupt table. |
| 299 | Describes the interrupts supported by the FR-V. */ |
| 300 | extern struct frv_interrupt frv_interrupt_table[]; |
| 301 | |
| 302 | /* FR-V Interrupt State. |
| 303 | Interrupts are queued during execution of parallel insns and the interupt(s) |
| 304 | to be handled determined by analysing the queue after each VLIW insn. */ |
| 305 | #define FRV_INTERRUPT_QUEUE_SIZE (4 * 4) /* 4 interrupts x 4 insns for now. */ |
| 306 | |
| 307 | /* register_exception codes */ |
| 308 | enum frv_rec |
| 309 | { |
| 310 | FRV_REC_UNIMPLEMENTED = 0, |
| 311 | FRV_REC_UNALIGNED = 1 |
| 312 | }; |
| 313 | |
| 314 | /* instruction_access_exception codes */ |
| 315 | enum frv_iaec |
| 316 | { |
| 317 | FRV_IAEC_PROTECT_VIOLATION = 1 |
| 318 | }; |
| 319 | |
| 320 | /* data_access_exception codes */ |
| 321 | enum frv_daec |
| 322 | { |
| 323 | FRV_DAEC_PROTECT_VIOLATION = 1 |
| 324 | }; |
| 325 | |
| 326 | /* division_exception ISR codes */ |
| 327 | enum frv_dtt |
| 328 | { |
| 329 | FRV_DTT_NO_EXCEPTION = 0, |
| 330 | FRV_DTT_DIVISION_BY_ZERO = 1, |
| 331 | FRV_DTT_OVERFLOW = 2, |
| 332 | FRV_DTT_BOTH = 3 |
| 333 | }; |
| 334 | |
| 335 | /* data written during an insn causing an interrupt */ |
| 336 | struct frv_data_written |
| 337 | { |
| 338 | USI words[4]; /* Actual data in words */ |
| 339 | int length; /* length of data written */ |
| 340 | }; |
| 341 | |
| 342 | /* fp_exception info */ |
| 343 | /* Trap codes for FSR0 and FQ registers. */ |
| 344 | enum frv_fsr_traps |
| 345 | { |
| 346 | FSR_INVALID_OPERATION = 0x20, |
| 347 | FSR_OVERFLOW = 0x10, |
| 348 | FSR_UNDERFLOW = 0x08, |
| 349 | FSR_DIVISION_BY_ZERO = 0x04, |
| 350 | FSR_INEXACT = 0x02, |
| 351 | FSR_DENORMAL_INPUT = 0x01, |
| 352 | FSR_NO_EXCEPTION = 0 |
| 353 | }; |
| 354 | |
| 355 | /* Floating point trap types for FSR. */ |
| 356 | enum frv_fsr_ftt |
| 357 | { |
| 358 | FTT_NONE = 0, |
| 359 | FTT_IEEE_754_EXCEPTION = 1, |
| 360 | FTT_UNIMPLEMENTED_FPOP = 3, |
| 361 | FTT_SEQUENCE_ERROR = 4, |
| 362 | FTT_INVALID_FR = 6, |
| 363 | FTT_DENORMAL_INPUT = 7 |
| 364 | }; |
| 365 | |
| 366 | struct frv_fp_exception_info |
| 367 | { |
| 368 | enum frv_fsr_traps fsr_mask; /* interrupt code for FSR */ |
| 369 | enum frv_fsr_ftt ftt; /* floating point trap type */ |
| 370 | }; |
| 371 | |
| 372 | struct frv_interrupt_queue_element |
| 373 | { |
| 374 | enum frv_interrupt_kind kind; /* kind of interrupt */ |
| 375 | IADDR vpc; /* address of insn causing interrupt */ |
| 376 | int slot; /* VLIW slot containing the insn. */ |
| 377 | USI eaddress; /* address of data access */ |
| 378 | union { |
| 379 | enum frv_rec rec; /* register exception code */ |
| 380 | enum frv_iaec iaec; /* insn access exception code */ |
| 381 | enum frv_daec daec; /* data access exception code */ |
| 382 | enum frv_dtt dtt; /* division exception code */ |
| 383 | struct frv_fp_exception_info fp_info; |
| 384 | struct frv_data_written data_written; |
| 385 | } u; |
| 386 | }; |
| 387 | |
| 388 | struct frv_interrupt_timer |
| 389 | { |
| 390 | int enabled; |
| 391 | unsigned value; |
| 392 | unsigned current; |
| 393 | enum frv_interrupt_kind interrupt; |
| 394 | }; |
| 395 | |
| 396 | struct frv_interrupt_state |
| 397 | { |
| 398 | /* The interrupt queue */ |
| 399 | struct frv_interrupt_queue_element queue[FRV_INTERRUPT_QUEUE_SIZE]; |
| 400 | int queue_index; |
| 401 | |
| 402 | /* interrupt queue element causing imprecise interrupt. */ |
| 403 | struct frv_interrupt_queue_element *imprecise_interrupt; |
| 404 | |
| 405 | /* interrupt timer. */ |
| 406 | struct frv_interrupt_timer timer; |
| 407 | |
| 408 | /* The last data written stored as an array of words. */ |
| 409 | struct frv_data_written data_written; |
| 410 | |
| 411 | /* The vliw slot of the insn causing the interrupt. */ |
| 412 | int slot; |
| 413 | |
| 414 | /* target register index for non excepting insns. */ |
| 415 | #define NE_NOFLAG (-1) |
| 416 | int ne_index; |
| 417 | |
| 418 | /* Accumulated NE flags for non excepting floating point insns. */ |
| 419 | SI f_ne_flags[2]; |
| 420 | }; |
| 421 | |
| 422 | extern struct frv_interrupt_state frv_interrupt_state; |
| 423 | |
| 424 | /* Macros to manipulate the PSR. */ |
| 425 | #define GET_PSR() GET_H_SPR (H_SPR_PSR) |
| 426 | |
| 427 | #define SET_PSR_ET(psr, et) ( \ |
| 428 | (psr) = ((psr) & ~0x1) | ((et) & 0x1) \ |
| 429 | ) |
| 430 | |
| 431 | #define GET_PSR_PS(psr) (((psr) >> 1) & 1) |
| 432 | |
| 433 | #define SET_PSR_S(psr, s) ( \ |
| 434 | (psr) = ((psr) & ~(0x1 << 2)) | (((s) & 0x1) << 2) \ |
| 435 | ) |
| 436 | |
| 437 | /* Macros to handle the ISR register. */ |
| 438 | #define GET_ISR() GET_H_SPR (H_SPR_ISR) |
| 439 | #define SET_ISR(isr) SET_H_SPR (H_SPR_ISR, (isr)) |
| 440 | |
| 441 | #define GET_ISR_EDE(isr) (((isr) >> 5) & 1) |
| 442 | |
| 443 | #define GET_ISR_DTT(isr) (((isr) >> 3) & 3) |
| 444 | #define SET_ISR_DTT(isr, dtt) ( \ |
| 445 | (isr) = ((isr) & ~(0x3 << 3)) | (((dtt) & 0x3) << 3) \ |
| 446 | ) |
| 447 | |
| 448 | #define SET_ISR_AEXC(isr) ((isr) |= (1 << 2)) |
| 449 | |
| 450 | #define GET_ISR_EMAM(isr) ((isr) & 1) |
| 451 | |
| 452 | /* Macros to handle exception status registers. |
| 453 | Get and set the hardware directly, since we may be getting/setting fields |
| 454 | which are not accessible to the user. */ |
| 455 | #define GET_ESR(index) \ |
| 456 | (CPU (h_spr[H_SPR_ESR0 + (index)])) |
| 457 | #define SET_ESR(index, esr) \ |
| 458 | (CPU (h_spr[H_SPR_ESR0 + (index)]) = (esr)) |
| 459 | |
| 460 | #define SET_ESR_VALID(esr) ((esr) |= 1) |
| 461 | #define CLEAR_ESR_VALID(esr) ((esr) &= ~1) |
| 462 | |
| 463 | #define SET_ESR_EC(esr, ec) ( \ |
| 464 | (esr) = ((esr) & ~(0x1f << 1)) | (((ec) & 0x1f) << 1) \ |
| 465 | ) |
| 466 | |
| 467 | #define SET_ESR_REC(esr, rec) ( \ |
| 468 | (esr) = ((esr) & ~(0x3 << 6)) | (((rec) & 0x3) << 6) \ |
| 469 | ) |
| 470 | |
| 471 | #define SET_ESR_IAEC(esr, iaec) ( \ |
| 472 | (esr) = ((esr) & ~(0x1 << 8)) | (((iaec) & 0x1) << 8) \ |
| 473 | ) |
| 474 | |
| 475 | #define SET_ESR_DAEC(esr, daec) ( \ |
| 476 | (esr) = ((esr) & ~(0x1 << 9)) | (((daec) & 0x1) << 9) \ |
| 477 | ) |
| 478 | |
| 479 | #define SET_ESR_EAV(esr) ((esr) |= (1 << 11)) |
| 480 | #define CLEAR_ESR_EAV(esr) ((esr) &= ~(1 << 11)) |
| 481 | |
| 482 | #define GET_ESR_EDV(esr) (((esr) >> 12) & 1) |
| 483 | #define SET_ESR_EDV(esr) ((esr) |= (1 << 12)) |
| 484 | #define CLEAR_ESR_EDV(esr) ((esr) &= ~(1 << 12)) |
| 485 | |
| 486 | #define GET_ESR_EDN(esr) ( \ |
| 487 | ((esr) >> 13) & 0xf \ |
| 488 | ) |
| 489 | #define SET_ESR_EDN(esr, edn) ( \ |
| 490 | (esr) = ((esr) & ~(0xf << 13)) | (((edn) & 0xf) << 13) \ |
| 491 | ) |
| 492 | |
| 493 | #define SET_EPCR(index, address) \ |
| 494 | (CPU (h_spr[H_SPR_EPCR0 + (index)]) = (address)) |
| 495 | |
| 496 | #define SET_EAR(index, address) \ |
| 497 | (CPU (h_spr[H_SPR_EAR0 + (index)]) = (address)) |
| 498 | |
| 499 | #define SET_EDR(index, edr) \ |
| 500 | (CPU (h_spr[H_SPR_EDR0 + (index)]) = (edr)) |
| 501 | |
| 502 | #define GET_ESFR(index) \ |
| 503 | (CPU (h_spr[H_SPR_ESFR0 + (index)])) |
| 504 | #define SET_ESFR(index, esfr) \ |
| 505 | (CPU (h_spr[H_SPR_ESFR0 + (index)]) = (esfr)) |
| 506 | |
| 507 | #define GET_ESFR_FLAG(findex) ( \ |
| 508 | (findex) > 31 ? \ |
| 509 | ((CPU (h_spr[H_SPR_ESFR0]) >> ((findex)-32)) & 1) \ |
| 510 | : \ |
| 511 | ((CPU (h_spr[H_SPR_ESFR1]) >> (findex)) & 1) \ |
| 512 | ) |
| 513 | #define SET_ESFR_FLAG(findex) ( \ |
| 514 | (findex) > 31 ? \ |
| 515 | (CPU (h_spr[H_SPR_ESFR0]) = \ |
| 516 | (CPU (h_spr[H_SPR_ESFR0]) | (1 << ((findex)-32))) \ |
| 517 | ) : \ |
| 518 | (CPU (h_spr[H_SPR_ESFR1]) = \ |
| 519 | (CPU (h_spr[H_SPR_ESFR1]) | (1 << (findex))) \ |
| 520 | ) \ |
| 521 | ) |
| 522 | |
| 523 | /* The FSR registers. |
| 524 | Get and set the hardware directly, since we may be getting/setting fields |
| 525 | which are not accessible to the user. */ |
| 526 | #define GET_FSR(index) \ |
| 527 | (CPU (h_spr[H_SPR_FSR0 + (index)])) |
| 528 | #define SET_FSR(index, fsr) \ |
| 529 | (CPU (h_spr[H_SPR_FSR0 + (index)]) = (fsr)) |
| 530 | |
| 531 | #define GET_FSR_TEM(fsr) ( \ |
| 532 | ((fsr) >> 24) & 0x3f \ |
| 533 | ) |
| 534 | |
| 535 | #define SET_FSR_QNE(fsr) ((fsr) |= (1 << 20)) |
| 536 | #define GET_FSR_QNE(fsr) (((fsr) >> 20) & 1) |
| 537 | |
| 538 | #define SET_FSR_FTT(fsr, ftt) ( \ |
| 539 | (fsr) = ((fsr) & ~(0x7 << 17)) | (((ftt) & 0x7) << 17) \ |
| 540 | ) |
| 541 | |
| 542 | #define GET_FSR_AEXC(fsr) ( \ |
| 543 | ((fsr) >> 10) & 0x3f \ |
| 544 | ) |
| 545 | #define SET_FSR_AEXC(fsr, aexc) ( \ |
| 546 | (fsr) = ((fsr) & ~(0x3f << 10)) | (((aexc) & 0x3f) << 10) \ |
| 547 | ) |
| 548 | |
| 549 | /* SIMD instruction exception codes for FQ. */ |
| 550 | enum frv_sie |
| 551 | { |
| 552 | SIE_NIL = 0, |
| 553 | SIE_FRi = 1, |
| 554 | SIE_FRi_1 = 2 |
| 555 | }; |
| 556 | |
| 557 | /* MIV field of FQ. */ |
| 558 | enum frv_miv |
| 559 | { |
| 560 | MIV_FLOAT = 0, |
| 561 | MIV_MEDIA = 1 |
| 562 | }; |
| 563 | |
| 564 | /* The FQ registers are 64 bits wide and are implemented as 32 bit pairs. The |
| 565 | index here refers to the low order 32 bit element. |
| 566 | Get and set the hardware directly, since we may be getting/setting fields |
| 567 | which are not accessible to the user. */ |
| 568 | #define GET_FQ(index) \ |
| 569 | (CPU (h_spr[H_SPR_FQST0 + 2 * (index)])) |
| 570 | #define SET_FQ(index, fq) \ |
| 571 | (CPU (h_spr[H_SPR_FQST0 + 2 * (index)]) = (fq)) |
| 572 | |
| 573 | #define SET_FQ_MIV(fq, miv) ( \ |
| 574 | (fq) = ((fq) & ~(0x1 << 31)) | (((miv) & 0x1) << 31) \ |
| 575 | ) |
| 576 | |
| 577 | #define SET_FQ_SIE(fq, sie) ( \ |
| 578 | (fq) = ((fq) & ~(0x3 << 15)) | (((sie) & 0x3) << 15) \ |
| 579 | ) |
| 580 | |
| 581 | #define SET_FQ_FTT(fq, ftt) ( \ |
| 582 | (fq) = ((fq) & ~(0x7 << 7)) | (((ftt) & 0x7) << 7) \ |
| 583 | ) |
| 584 | |
| 585 | #define SET_FQ_CEXC(fq, cexc) ( \ |
| 586 | (fq) = ((fq) & ~(0x3f << 1)) | (((cexc) & 0x3f) << 1) \ |
| 587 | ) |
| 588 | |
| 589 | #define GET_FQ_VALID(fq) ((fq) & 1) |
| 590 | #define SET_FQ_VALID(fq) ((fq) |= 1) |
| 591 | |
| 592 | #define SET_FQ_OPC(index, insn) \ |
| 593 | (CPU (h_spr[H_SPR_FQOP0 + 2 * (index)]) = (insn)) |
| 594 | |
| 595 | /* mp_exception support. */ |
| 596 | /* Media trap types for MSR. */ |
| 597 | enum frv_msr_mtt |
| 598 | { |
| 599 | MTT_NONE = 0, |
| 600 | MTT_OVERFLOW = 1, |
| 601 | MTT_ACC_NOT_ALIGNED = 2, |
| 602 | MTT_ACC_NOT_IMPLEMENTED = 2, /* Yes -- same value as MTT_ACC_NOT_ALIGNED. */ |
| 603 | MTT_CR_NOT_ALIGNED = 3, |
| 604 | MTT_UNIMPLEMENTED_MPOP = 5, |
| 605 | MTT_INVALID_FR = 6 |
| 606 | }; |
| 607 | |
| 608 | /* Media status registers. |
| 609 | Get and set the hardware directly, since we may be getting/setting fields |
| 610 | which are not accessible to the user. */ |
| 611 | #define GET_MSR(index) \ |
| 612 | (CPU (h_spr[H_SPR_MSR0 + (index)])) |
| 613 | #define SET_MSR(index, msr) \ |
| 614 | (CPU (h_spr[H_SPR_MSR0 + (index)]) = (msr)) |
| 615 | |
| 616 | #define GET_MSR_AOVF(msr) ((msr) & 1) |
| 617 | #define SET_MSR_AOVF(msr) ((msr) |= 1) |
| 618 | |
| 619 | #define GET_MSR_OVF(msr) ( \ |
| 620 | ((msr) >> 1) & 0x1 \ |
| 621 | ) |
| 622 | #define SET_MSR_OVF(msr) ( \ |
| 623 | (msr) |= (1 << 1) \ |
| 624 | ) |
| 625 | #define CLEAR_MSR_OVF(msr) ( \ |
| 626 | (msr) &= ~(1 << 1) \ |
| 627 | ) |
| 628 | |
| 629 | #define OR_MSR_SIE(msr, sie) ( \ |
| 630 | (msr) |= (((sie) & 0xf) << 2) \ |
| 631 | ) |
| 632 | #define CLEAR_MSR_SIE(msr) ( \ |
| 633 | (msr) &= ~(0xf << 2) \ |
| 634 | ) |
| 635 | |
| 636 | #define GET_MSR_MTT(msr) ( \ |
| 637 | ((msr) >> 12) & 0x7 \ |
| 638 | ) |
| 639 | #define SET_MSR_MTT(msr, mtt) ( \ |
| 640 | (msr) = ((msr) & ~(0x7 << 12)) | (((mtt) & 0x7) << 12) \ |
| 641 | ) |
| 642 | #define GET_MSR_EMCI(msr) ( \ |
| 643 | ((msr) >> 24) & 0x1 \ |
| 644 | ) |
| 645 | #define GET_MSR_MPEM(msr) ( \ |
| 646 | ((msr) >> 27) & 0x1 \ |
| 647 | ) |
| 648 | #define GET_MSR_SRDAV(msr) ( \ |
| 649 | ((msr) >> 28) & 0x1 \ |
| 650 | ) |
| 651 | #define GET_MSR_RDAV(msr) ( \ |
| 652 | ((msr) >> 29) & 0x1 \ |
| 653 | ) |
| 654 | #define GET_MSR_RD(msr) ( \ |
| 655 | ((msr) >> 30) & 0x3 \ |
| 656 | ) |
| 657 | |
| 658 | void frvbf_media_register_not_aligned (SIM_CPU *); |
| 659 | void frvbf_media_acc_not_aligned (SIM_CPU *); |
| 660 | void frvbf_media_cr_not_aligned (SIM_CPU *); |
| 661 | void frvbf_media_overflow (SIM_CPU *, int); |
| 662 | |
| 663 | /* Functions for queuing and processing interrupts. */ |
| 664 | struct frv_interrupt_queue_element * |
| 665 | frv_queue_break_interrupt (SIM_CPU *); |
| 666 | |
| 667 | struct frv_interrupt_queue_element * |
| 668 | frv_queue_software_interrupt (SIM_CPU *, SI); |
| 669 | |
| 670 | struct frv_interrupt_queue_element * |
| 671 | frv_queue_program_interrupt (SIM_CPU *, enum frv_interrupt_kind); |
| 672 | |
| 673 | struct frv_interrupt_queue_element * |
| 674 | frv_queue_external_interrupt (SIM_CPU *, enum frv_interrupt_kind); |
| 675 | |
| 676 | struct frv_interrupt_queue_element * |
| 677 | frv_queue_illegal_instruction_interrupt (SIM_CPU *, const CGEN_INSN *); |
| 678 | |
| 679 | struct frv_interrupt_queue_element * |
| 680 | frv_queue_privileged_instruction_interrupt (SIM_CPU *, const CGEN_INSN *); |
| 681 | |
| 682 | struct frv_interrupt_queue_element * |
| 683 | frv_queue_float_disabled_interrupt (SIM_CPU *); |
| 684 | |
| 685 | struct frv_interrupt_queue_element * |
| 686 | frv_queue_media_disabled_interrupt (SIM_CPU *); |
| 687 | |
| 688 | struct frv_interrupt_queue_element * |
| 689 | frv_queue_non_implemented_instruction_interrupt (SIM_CPU *, const CGEN_INSN *); |
| 690 | |
| 691 | struct frv_interrupt_queue_element * |
| 692 | frv_queue_register_exception_interrupt (SIM_CPU *, enum frv_rec); |
| 693 | |
| 694 | struct frv_interrupt_queue_element * |
| 695 | frv_queue_mem_address_not_aligned_interrupt (SIM_CPU *, USI); |
| 696 | |
| 697 | struct frv_interrupt_queue_element * |
| 698 | frv_queue_data_access_error_interrupt (SIM_CPU *, USI); |
| 699 | |
| 700 | struct frv_interrupt_queue_element * |
| 701 | frv_queue_instruction_access_error_interrupt (SIM_CPU *); |
| 702 | |
| 703 | struct frv_interrupt_queue_element * |
| 704 | frv_queue_instruction_access_exception_interrupt (SIM_CPU *); |
| 705 | |
| 706 | struct frv_interrupt_queue_element * |
| 707 | frv_queue_fp_exception_interrupt (SIM_CPU *, struct frv_fp_exception_info *); |
| 708 | |
| 709 | enum frv_dtt frvbf_division_exception (SIM_CPU *, enum frv_dtt, int, int); |
| 710 | |
| 711 | struct frv_interrupt_queue_element * |
| 712 | frv_queue_interrupt (SIM_CPU *, enum frv_interrupt_kind); |
| 713 | |
| 714 | void |
| 715 | frv_set_interrupt_queue_slot (SIM_CPU *, struct frv_interrupt_queue_element *); |
| 716 | |
| 717 | void frv_set_mp_exception_registers (SIM_CPU *, enum frv_msr_mtt, int); |
| 718 | void frv_detect_insn_access_interrupts (SIM_CPU *, SCACHE *); |
| 719 | |
| 720 | void frv_process_interrupts (SIM_CPU *); |
| 721 | |
| 722 | void frv_break_interrupt (SIM_CPU *, struct frv_interrupt *, IADDR); |
| 723 | void frv_non_operating_interrupt (SIM_CPU *, enum frv_interrupt_kind, IADDR); |
| 724 | void frv_program_interrupt ( |
| 725 | SIM_CPU *, struct frv_interrupt_queue_element *, IADDR |
| 726 | ); |
| 727 | void frv_software_interrupt ( |
| 728 | SIM_CPU *, struct frv_interrupt_queue_element *, IADDR |
| 729 | ); |
| 730 | void frv_external_interrupt ( |
| 731 | SIM_CPU *, struct frv_interrupt_queue_element *, IADDR |
| 732 | ); |
| 733 | void frv_program_or_software_interrupt ( |
| 734 | SIM_CPU *, struct frv_interrupt *, IADDR |
| 735 | ); |
| 736 | void frv_clear_interrupt_classes ( |
| 737 | enum frv_interrupt_class, enum frv_interrupt_class |
| 738 | ); |
| 739 | |
| 740 | void |
| 741 | frv_save_data_written_for_interrupts (SIM_CPU *, CGEN_WRITE_QUEUE_ELEMENT *); |
| 742 | |
| 743 | /* Special purpose traps. */ |
| 744 | #define TRAP_SYSCALL 0x80 |
| 745 | #define TRAP_BREAKPOINT 0x81 |
| 746 | #define TRAP_REGDUMP1 0x82 |
| 747 | #define TRAP_REGDUMP2 0x83 |
| 748 | |
| 749 | /* Handle the trap insns */ |
| 750 | void frv_itrap (SIM_CPU *, PCADDR, USI, int); |
| 751 | void frv_mtrap (SIM_CPU *); |
| 752 | /* Handle the break insn. */ |
| 753 | void frv_break (SIM_CPU *); |
| 754 | /* Handle the rett insn. */ |
| 755 | USI frv_rett (SIM_CPU *current_cpu, PCADDR pc, BI debug_field); |
| 756 | |
| 757 | /* Parallel write queue flags. */ |
| 758 | #define FRV_WRITE_QUEUE_FORCE_WRITE 1 |
| 759 | |
| 760 | #define CGEN_WRITE_QUEUE_ELEMENT_PIPE(element) CGEN_WRITE_QUEUE_ELEMENT_WORD1 (element) |
| 761 | |
| 762 | /* Functions and macros for handling non-excepting instruction side effects. |
| 763 | Get and set the hardware directly, since we may be getting/setting fields |
| 764 | which are not accessible to the user. */ |
| 765 | #define GET_NECR() (GET_H_SPR (H_SPR_NECR)) |
| 766 | #define GET_NECR_ELOS(necr) (((necr) >> 6) & 1) |
| 767 | #define GET_NECR_NEN(necr) (((necr) >> 1) & 0x1f) |
| 768 | #define GET_NECR_VALID(necr) (((necr) ) & 1) |
| 769 | |
| 770 | #define NO_NESR (-1) |
| 771 | /* NESR field values. See Tables 30-33 in section 4.4.2.1 of the FRV |
| 772 | Architecture volume 1. */ |
| 773 | #define NESR_MEM_ADDRESS_NOT_ALIGNED 0x0b |
| 774 | #define NESR_REGISTER_NOT_ALIGNED 0x1 |
| 775 | #define NESR_UQI_SIZE 0 |
| 776 | #define NESR_QI_SIZE 1 |
| 777 | #define NESR_UHI_SIZE 2 |
| 778 | #define NESR_HI_SIZE 3 |
| 779 | #define NESR_SI_SIZE 4 |
| 780 | #define NESR_DI_SIZE 5 |
| 781 | #define NESR_XI_SIZE 6 |
| 782 | |
| 783 | #define GET_NESR(index) GET_H_SPR (H_SPR_NESR0 + (index)) |
| 784 | #define SET_NESR(index, value) ( \ |
| 785 | sim_queue_fn_si_write (current_cpu, frvbf_h_spr_set, \ |
| 786 | H_SPR_NESR0 + (index), (value)), \ |
| 787 | frvbf_force_update (current_cpu) \ |
| 788 | ) |
| 789 | #define GET_NESR_VALID(nesr) ((nesr) & 1) |
| 790 | #define SET_NESR_VALID(nesr) ((nesr) |= 1) |
| 791 | |
| 792 | #define SET_NESR_EAV(nesr) ((nesr) |= (1 << 31)) |
| 793 | |
| 794 | #define GET_NESR_FR(nesr) (((nesr) >> 30) & 1) |
| 795 | #define SET_NESR_FR(nesr) ((nesr) |= (1 << 30)) |
| 796 | #define CLEAR_NESR_FR(nesr) ((nesr) &= ~(1 << 30)) |
| 797 | |
| 798 | #define GET_NESR_DRN(nesr) (((nesr) >> 24) & 0x3f) |
| 799 | #define SET_NESR_DRN(nesr, drn) ( \ |
| 800 | (nesr) = ((nesr) & ~(0x3f << 24)) | (((drn) & 0x3f) << 24) \ |
| 801 | ) |
| 802 | |
| 803 | #define SET_NESR_SIZE(nesr, data_size) ( \ |
| 804 | (nesr) = ((nesr) & ~(0x7 << 21)) | (((data_size) & 0x7) << 21) \ |
| 805 | ) |
| 806 | |
| 807 | #define SET_NESR_NEAN(nesr, index) ( \ |
| 808 | (nesr) = ((nesr) & ~(0x1f << 10)) | (((index) & 0x1f) << 10) \ |
| 809 | ) |
| 810 | |
| 811 | #define GET_NESR_DAEC(nesr) (((nesr) >> 9) & 1) |
| 812 | #define SET_NESR_DAEC(nesr, daec) ( \ |
| 813 | (nesr) = ((nesr) & ~(1 << 9)) | (((daec) & 1) << 9) \ |
| 814 | ) |
| 815 | |
| 816 | #define GET_NESR_REC(nesr) (((nesr) >> 6) & 3) |
| 817 | #define SET_NESR_REC(nesr, rec) ( \ |
| 818 | (nesr) = ((nesr) & ~(3 << 6)) | (((rec) & 3) << 6) \ |
| 819 | ) |
| 820 | |
| 821 | #define GET_NESR_EC(nesr) (((nesr) >> 1) & 0x1f) |
| 822 | #define SET_NESR_EC(nesr, ec) ( \ |
| 823 | (nesr) = ((nesr) & ~(0x1f << 1)) | (((ec) & 0x1f) << 1) \ |
| 824 | ) |
| 825 | |
| 826 | #define SET_NEEAR(index, address) ( \ |
| 827 | sim_queue_fn_si_write (current_cpu, frvbf_h_spr_set, \ |
| 828 | H_SPR_NEEAR0 + (index), (address)), \ |
| 829 | frvbf_force_update (current_cpu) \ |
| 830 | ) |
| 831 | |
| 832 | #define GET_NE_FLAGS(flags, NE_base) ( \ |
| 833 | (flags)[0] = GET_H_SPR ((NE_base)), \ |
| 834 | (flags)[1] = GET_H_SPR ((NE_base) + 1) \ |
| 835 | ) |
| 836 | #define SET_NE_FLAGS(NE_base, flags) ( \ |
| 837 | sim_queue_fn_si_write (current_cpu, frvbf_h_spr_set, (NE_base), \ |
| 838 | (flags)[0]), \ |
| 839 | frvbf_force_update (current_cpu), \ |
| 840 | sim_queue_fn_si_write (current_cpu, frvbf_h_spr_set, (NE_base) + 1, \ |
| 841 | (flags)[1]), \ |
| 842 | frvbf_force_update (current_cpu) \ |
| 843 | ) |
| 844 | |
| 845 | #define GET_NE_FLAG(flags, index) ( \ |
| 846 | (index) > 31 ? \ |
| 847 | ((flags[0] >> ((index) - 32)) & 1) \ |
| 848 | : \ |
| 849 | ((flags[1] >> (index)) & 1) \ |
| 850 | ) |
| 851 | #define SET_NE_FLAG(flags, index) ( \ |
| 852 | (index) > 31 ? \ |
| 853 | ((flags)[0] |= (1 << ((index) - 32))) \ |
| 854 | : \ |
| 855 | ((flags)[1] |= (1 << (index))) \ |
| 856 | ) |
| 857 | #define CLEAR_NE_FLAG(flags, index) ( \ |
| 858 | (index) > 31 ? \ |
| 859 | ((flags)[0] &= ~(1 << ((index) - 32))) \ |
| 860 | : \ |
| 861 | ((flags)[1] &= ~(1 << (index))) \ |
| 862 | ) |
| 863 | |
| 864 | BI frvbf_check_non_excepting_load (SIM_CPU *, SI, SI, SI, SI, QI, BI); |
| 865 | void frvbf_check_recovering_store (SIM_CPU *, PCADDR, SI, int, int); |
| 866 | |
| 867 | void frvbf_clear_ne_flags (SIM_CPU *, SI, BI); |
| 868 | void frvbf_commit (SIM_CPU *, SI, BI); |
| 869 | |
| 870 | void frvbf_fpu_error (CGEN_FPU *, int); |
| 871 | |
| 872 | void frv_vliw_setup_insn (SIM_CPU *, const CGEN_INSN *); |
| 873 | |
| 874 | extern int insns_in_slot[]; |
| 875 | |
| 876 | #define COUNT_INSNS_IN_SLOT(slot) \ |
| 877 | { \ |
| 878 | if (WITH_PROFILE_MODEL_P) \ |
| 879 | ++insns_in_slot[slot]; \ |
| 880 | } |
| 881 | |
| 882 | #define INSNS_IN_SLOT(slot) (insns_in_slot[slot]) |
| 883 | |
| 884 | /* Multiple loads and stores. */ |
| 885 | void frvbf_load_multiple_GR (SIM_CPU *, PCADDR, SI, SI, int); |
| 886 | void frvbf_load_multiple_FRint (SIM_CPU *, PCADDR, SI, SI, int); |
| 887 | void frvbf_load_multiple_CPR (SIM_CPU *, PCADDR, SI, SI, int); |
| 888 | void frvbf_store_multiple_GR (SIM_CPU *, PCADDR, SI, SI, int); |
| 889 | void frvbf_store_multiple_FRint (SIM_CPU *, PCADDR, SI, SI, int); |
| 890 | void frvbf_store_multiple_CPR (SIM_CPU *, PCADDR, SI, SI, int); |
| 891 | |
| 892 | /* Memory and cache support. */ |
| 893 | QI frvbf_read_mem_QI (SIM_CPU *, IADDR, SI); |
| 894 | UQI frvbf_read_mem_UQI (SIM_CPU *, IADDR, SI); |
| 895 | HI frvbf_read_mem_HI (SIM_CPU *, IADDR, SI); |
| 896 | UHI frvbf_read_mem_UHI (SIM_CPU *, IADDR, SI); |
| 897 | SI frvbf_read_mem_SI (SIM_CPU *, IADDR, SI); |
| 898 | SI frvbf_read_mem_WI (SIM_CPU *, IADDR, SI); |
| 899 | DI frvbf_read_mem_DI (SIM_CPU *, IADDR, SI); |
| 900 | DF frvbf_read_mem_DF (SIM_CPU *, IADDR, SI); |
| 901 | |
| 902 | USI frvbf_read_imem_USI (SIM_CPU *, PCADDR); |
| 903 | |
| 904 | void frvbf_write_mem_QI (SIM_CPU *, IADDR, SI, QI); |
| 905 | void frvbf_write_mem_UQI (SIM_CPU *, IADDR, SI, UQI); |
| 906 | void frvbf_write_mem_HI (SIM_CPU *, IADDR, SI, HI); |
| 907 | void frvbf_write_mem_UHI (SIM_CPU *, IADDR, SI, UHI); |
| 908 | void frvbf_write_mem_SI (SIM_CPU *, IADDR, SI, SI); |
| 909 | void frvbf_write_mem_WI (SIM_CPU *, IADDR, SI, SI); |
| 910 | void frvbf_write_mem_DI (SIM_CPU *, IADDR, SI, DI); |
| 911 | void frvbf_write_mem_DF (SIM_CPU *, IADDR, SI, DF); |
| 912 | |
| 913 | void frvbf_mem_set_QI (SIM_CPU *, IADDR, SI, QI); |
| 914 | void frvbf_mem_set_HI (SIM_CPU *, IADDR, SI, HI); |
| 915 | void frvbf_mem_set_SI (SIM_CPU *, IADDR, SI, SI); |
| 916 | void frvbf_mem_set_DI (SIM_CPU *, IADDR, SI, DI); |
| 917 | void frvbf_mem_set_DF (SIM_CPU *, IADDR, SI, DF); |
| 918 | void frvbf_mem_set_XI (SIM_CPU *, IADDR, SI, SI *); |
| 919 | |
| 920 | void frv_set_write_queue_slot (SIM_CPU *current_cpu); |
| 921 | |
| 922 | /* FRV specific options. */ |
| 923 | extern const OPTION frv_options[]; |
| 924 | |
| 925 | #endif /* FRV_SIM_H */ |