root / target-mips / op_helper.c @ e18231a3
History | View | Annotate | Download (89.4 kB)
| 1 |
/*
|
|---|---|
| 2 |
* MIPS emulation helpers for qemu.
|
| 3 |
*
|
| 4 |
* Copyright (c) 2004-2005 Jocelyn Mayer
|
| 5 |
*
|
| 6 |
* This library is free software; you can redistribute it and/or
|
| 7 |
* modify it under the terms of the GNU Lesser General Public
|
| 8 |
* License as published by the Free Software Foundation; either
|
| 9 |
* version 2 of the License, or (at your option) any later version.
|
| 10 |
*
|
| 11 |
* This library is distributed in the hope that it will be useful,
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| 14 |
* Lesser General Public License for more details.
|
| 15 |
*
|
| 16 |
* You should have received a copy of the GNU Lesser General Public
|
| 17 |
* License along with this library; if not, write to the Free Software
|
| 18 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
| 19 |
*/
|
| 20 |
#include <stdlib.h> |
| 21 |
#include "exec.h" |
| 22 |
|
| 23 |
#include "host-utils.h" |
| 24 |
|
| 25 |
/*****************************************************************************/
|
| 26 |
/* Exceptions processing helpers */
|
| 27 |
|
| 28 |
void do_raise_exception_err (uint32_t exception, int error_code) |
| 29 |
{
|
| 30 |
#if 1 |
| 31 |
if (logfile && exception < 0x100) |
| 32 |
fprintf(logfile, "%s: %d %d\n", __func__, exception, error_code);
|
| 33 |
#endif
|
| 34 |
env->exception_index = exception; |
| 35 |
env->error_code = error_code; |
| 36 |
cpu_loop_exit(); |
| 37 |
} |
| 38 |
|
| 39 |
void do_raise_exception (uint32_t exception)
|
| 40 |
{
|
| 41 |
do_raise_exception_err(exception, 0);
|
| 42 |
} |
| 43 |
|
| 44 |
void do_interrupt_restart (void) |
| 45 |
{
|
| 46 |
if (!(env->CP0_Status & (1 << CP0St_EXL)) && |
| 47 |
!(env->CP0_Status & (1 << CP0St_ERL)) &&
|
| 48 |
!(env->hflags & MIPS_HFLAG_DM) && |
| 49 |
(env->CP0_Status & (1 << CP0St_IE)) &&
|
| 50 |
(env->CP0_Status & env->CP0_Cause & CP0Ca_IP_mask)) {
|
| 51 |
env->CP0_Cause &= ~(0x1f << CP0Ca_EC);
|
| 52 |
do_raise_exception(EXCP_EXT_INTERRUPT); |
| 53 |
} |
| 54 |
} |
| 55 |
|
| 56 |
void do_restore_state (void *pc_ptr) |
| 57 |
{
|
| 58 |
TranslationBlock *tb; |
| 59 |
unsigned long pc = (unsigned long) pc_ptr; |
| 60 |
|
| 61 |
tb = tb_find_pc (pc); |
| 62 |
if (tb) {
|
| 63 |
cpu_restore_state (tb, env, pc, NULL);
|
| 64 |
} |
| 65 |
} |
| 66 |
|
| 67 |
target_ulong do_clo (target_ulong t0) |
| 68 |
{
|
| 69 |
return clo32(t0);
|
| 70 |
} |
| 71 |
|
| 72 |
target_ulong do_clz (target_ulong t0) |
| 73 |
{
|
| 74 |
return clz32(t0);
|
| 75 |
} |
| 76 |
|
| 77 |
#if defined(TARGET_MIPS64)
|
| 78 |
target_ulong do_dclo (target_ulong t0) |
| 79 |
{
|
| 80 |
return clo64(t0);
|
| 81 |
} |
| 82 |
|
| 83 |
target_ulong do_dclz (target_ulong t0) |
| 84 |
{
|
| 85 |
return clz64(t0);
|
| 86 |
} |
| 87 |
#endif /* TARGET_MIPS64 */ |
| 88 |
|
| 89 |
/* 64 bits arithmetic for 32 bits hosts */
|
| 90 |
static inline uint64_t get_HILO (void) |
| 91 |
{
|
| 92 |
return ((uint64_t)(env->active_tc.HI[0]) << 32) | (uint32_t)env->active_tc.LO[0]; |
| 93 |
} |
| 94 |
|
| 95 |
static inline void set_HILO (uint64_t HILO) |
| 96 |
{
|
| 97 |
env->active_tc.LO[0] = (int32_t)HILO;
|
| 98 |
env->active_tc.HI[0] = (int32_t)(HILO >> 32); |
| 99 |
} |
| 100 |
|
| 101 |
static inline void set_HIT0_LO (target_ulong t0, uint64_t HILO) |
| 102 |
{
|
| 103 |
env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF); |
| 104 |
t0 = env->active_tc.HI[0] = (int32_t)(HILO >> 32); |
| 105 |
} |
| 106 |
|
| 107 |
static inline void set_HI_LOT0 (target_ulong t0, uint64_t HILO) |
| 108 |
{
|
| 109 |
t0 = env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF); |
| 110 |
env->active_tc.HI[0] = (int32_t)(HILO >> 32); |
| 111 |
} |
| 112 |
|
| 113 |
#if TARGET_LONG_BITS > HOST_LONG_BITS
|
| 114 |
void do_madd (target_ulong t0, target_ulong t1)
|
| 115 |
{
|
| 116 |
int64_t tmp; |
| 117 |
|
| 118 |
tmp = ((int64_t)(int32_t)t0 * (int64_t)(int32_t)t1); |
| 119 |
set_HILO((int64_t)get_HILO() + tmp); |
| 120 |
} |
| 121 |
|
| 122 |
void do_maddu (target_ulong t0, target_ulong t1)
|
| 123 |
{
|
| 124 |
uint64_t tmp; |
| 125 |
|
| 126 |
tmp = ((uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1); |
| 127 |
set_HILO(get_HILO() + tmp); |
| 128 |
} |
| 129 |
|
| 130 |
void do_msub (target_ulong t0, target_ulong t1)
|
| 131 |
{
|
| 132 |
int64_t tmp; |
| 133 |
|
| 134 |
tmp = ((int64_t)(int32_t)t0 * (int64_t)(int32_t)t1); |
| 135 |
set_HILO((int64_t)get_HILO() - tmp); |
| 136 |
} |
| 137 |
|
| 138 |
void do_msubu (target_ulong t0, target_ulong t1)
|
| 139 |
{
|
| 140 |
uint64_t tmp; |
| 141 |
|
| 142 |
tmp = ((uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1); |
| 143 |
set_HILO(get_HILO() - tmp); |
| 144 |
} |
| 145 |
#endif /* TARGET_LONG_BITS > HOST_LONG_BITS */ |
| 146 |
|
| 147 |
/* Multiplication variants of the vr54xx. */
|
| 148 |
target_ulong do_muls (target_ulong t0, target_ulong t1) |
| 149 |
{
|
| 150 |
set_HI_LOT0(t0, 0 - ((int64_t)(int32_t)t0 * (int64_t)(int32_t)t1));
|
| 151 |
|
| 152 |
return t0;
|
| 153 |
} |
| 154 |
|
| 155 |
target_ulong do_mulsu (target_ulong t0, target_ulong t1) |
| 156 |
{
|
| 157 |
set_HI_LOT0(t0, 0 - ((uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1));
|
| 158 |
|
| 159 |
return t0;
|
| 160 |
} |
| 161 |
|
| 162 |
target_ulong do_macc (target_ulong t0, target_ulong t1) |
| 163 |
{
|
| 164 |
set_HI_LOT0(t0, ((int64_t)get_HILO()) + ((int64_t)(int32_t)t0 * (int64_t)(int32_t)t1)); |
| 165 |
|
| 166 |
return t0;
|
| 167 |
} |
| 168 |
|
| 169 |
target_ulong do_macchi (target_ulong t0, target_ulong t1) |
| 170 |
{
|
| 171 |
set_HIT0_LO(t0, ((int64_t)get_HILO()) + ((int64_t)(int32_t)t0 * (int64_t)(int32_t)t1)); |
| 172 |
|
| 173 |
return t0;
|
| 174 |
} |
| 175 |
|
| 176 |
target_ulong do_maccu (target_ulong t0, target_ulong t1) |
| 177 |
{
|
| 178 |
set_HI_LOT0(t0, ((uint64_t)get_HILO()) + ((uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1)); |
| 179 |
|
| 180 |
return t0;
|
| 181 |
} |
| 182 |
|
| 183 |
target_ulong do_macchiu (target_ulong t0, target_ulong t1) |
| 184 |
{
|
| 185 |
set_HIT0_LO(t0, ((uint64_t)get_HILO()) + ((uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1)); |
| 186 |
|
| 187 |
return t0;
|
| 188 |
} |
| 189 |
|
| 190 |
target_ulong do_msac (target_ulong t0, target_ulong t1) |
| 191 |
{
|
| 192 |
set_HI_LOT0(t0, ((int64_t)get_HILO()) - ((int64_t)(int32_t)t0 * (int64_t)(int32_t)t1)); |
| 193 |
|
| 194 |
return t0;
|
| 195 |
} |
| 196 |
|
| 197 |
target_ulong do_msachi (target_ulong t0, target_ulong t1) |
| 198 |
{
|
| 199 |
set_HIT0_LO(t0, ((int64_t)get_HILO()) - ((int64_t)(int32_t)t0 * (int64_t)(int32_t)t1)); |
| 200 |
|
| 201 |
return t0;
|
| 202 |
} |
| 203 |
|
| 204 |
target_ulong do_msacu (target_ulong t0, target_ulong t1) |
| 205 |
{
|
| 206 |
set_HI_LOT0(t0, ((uint64_t)get_HILO()) - ((uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1)); |
| 207 |
|
| 208 |
return t0;
|
| 209 |
} |
| 210 |
|
| 211 |
target_ulong do_msachiu (target_ulong t0, target_ulong t1) |
| 212 |
{
|
| 213 |
set_HIT0_LO(t0, ((uint64_t)get_HILO()) - ((uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1)); |
| 214 |
|
| 215 |
return t0;
|
| 216 |
} |
| 217 |
|
| 218 |
target_ulong do_mulhi (target_ulong t0, target_ulong t1) |
| 219 |
{
|
| 220 |
set_HIT0_LO(t0, (int64_t)(int32_t)t0 * (int64_t)(int32_t)t1); |
| 221 |
|
| 222 |
return t0;
|
| 223 |
} |
| 224 |
|
| 225 |
target_ulong do_mulhiu (target_ulong t0, target_ulong t1) |
| 226 |
{
|
| 227 |
set_HIT0_LO(t0, (uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1); |
| 228 |
|
| 229 |
return t0;
|
| 230 |
} |
| 231 |
|
| 232 |
target_ulong do_mulshi (target_ulong t0, target_ulong t1) |
| 233 |
{
|
| 234 |
set_HIT0_LO(t0, 0 - ((int64_t)(int32_t)t0 * (int64_t)(int32_t)t1));
|
| 235 |
|
| 236 |
return t0;
|
| 237 |
} |
| 238 |
|
| 239 |
target_ulong do_mulshiu (target_ulong t0, target_ulong t1) |
| 240 |
{
|
| 241 |
set_HIT0_LO(t0, 0 - ((uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1));
|
| 242 |
|
| 243 |
return t0;
|
| 244 |
} |
| 245 |
|
| 246 |
#ifdef TARGET_MIPS64
|
| 247 |
void do_dmult (target_ulong t0, target_ulong t1)
|
| 248 |
{
|
| 249 |
muls64(&(env->active_tc.LO[0]), &(env->active_tc.HI[0]), t0, t1); |
| 250 |
} |
| 251 |
|
| 252 |
void do_dmultu (target_ulong t0, target_ulong t1)
|
| 253 |
{
|
| 254 |
mulu64(&(env->active_tc.LO[0]), &(env->active_tc.HI[0]), t0, t1); |
| 255 |
} |
| 256 |
#endif
|
| 257 |
|
| 258 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 259 |
#define GET_LMASK(v) ((v) & 3) |
| 260 |
#define GET_OFFSET(addr, offset) (addr + (offset))
|
| 261 |
#else
|
| 262 |
#define GET_LMASK(v) (((v) & 3) ^ 3) |
| 263 |
#define GET_OFFSET(addr, offset) (addr - (offset))
|
| 264 |
#endif
|
| 265 |
|
| 266 |
target_ulong do_lwl(target_ulong t0, target_ulong t1, int mem_idx)
|
| 267 |
{
|
| 268 |
target_ulong tmp; |
| 269 |
|
| 270 |
#ifdef CONFIG_USER_ONLY
|
| 271 |
#define ldfun ldub_raw
|
| 272 |
#else
|
| 273 |
int (*ldfun)(target_ulong);
|
| 274 |
|
| 275 |
switch (mem_idx)
|
| 276 |
{
|
| 277 |
case 0: ldfun = ldub_kernel; break; |
| 278 |
case 1: ldfun = ldub_super; break; |
| 279 |
default:
|
| 280 |
case 2: ldfun = ldub_user; break; |
| 281 |
} |
| 282 |
#endif
|
| 283 |
tmp = ldfun(t0); |
| 284 |
t1 = (t1 & 0x00FFFFFF) | (tmp << 24); |
| 285 |
|
| 286 |
if (GET_LMASK(t0) <= 2) { |
| 287 |
tmp = ldfun(GET_OFFSET(t0, 1));
|
| 288 |
t1 = (t1 & 0xFF00FFFF) | (tmp << 16); |
| 289 |
} |
| 290 |
|
| 291 |
if (GET_LMASK(t0) <= 1) { |
| 292 |
tmp = ldfun(GET_OFFSET(t0, 2));
|
| 293 |
t1 = (t1 & 0xFFFF00FF) | (tmp << 8); |
| 294 |
} |
| 295 |
|
| 296 |
if (GET_LMASK(t0) == 0) { |
| 297 |
tmp = ldfun(GET_OFFSET(t0, 3));
|
| 298 |
t1 = (t1 & 0xFFFFFF00) | tmp;
|
| 299 |
} |
| 300 |
return (int32_t)t1;
|
| 301 |
} |
| 302 |
|
| 303 |
target_ulong do_lwr(target_ulong t0, target_ulong t1, int mem_idx)
|
| 304 |
{
|
| 305 |
target_ulong tmp; |
| 306 |
|
| 307 |
#ifdef CONFIG_USER_ONLY
|
| 308 |
#define ldfun ldub_raw
|
| 309 |
#else
|
| 310 |
int (*ldfun)(target_ulong);
|
| 311 |
|
| 312 |
switch (mem_idx)
|
| 313 |
{
|
| 314 |
case 0: ldfun = ldub_kernel; break; |
| 315 |
case 1: ldfun = ldub_super; break; |
| 316 |
default:
|
| 317 |
case 2: ldfun = ldub_user; break; |
| 318 |
} |
| 319 |
#endif
|
| 320 |
tmp = ldfun(t0); |
| 321 |
t1 = (t1 & 0xFFFFFF00) | tmp;
|
| 322 |
|
| 323 |
if (GET_LMASK(t0) >= 1) { |
| 324 |
tmp = ldfun(GET_OFFSET(t0, -1));
|
| 325 |
t1 = (t1 & 0xFFFF00FF) | (tmp << 8); |
| 326 |
} |
| 327 |
|
| 328 |
if (GET_LMASK(t0) >= 2) { |
| 329 |
tmp = ldfun(GET_OFFSET(t0, -2));
|
| 330 |
t1 = (t1 & 0xFF00FFFF) | (tmp << 16); |
| 331 |
} |
| 332 |
|
| 333 |
if (GET_LMASK(t0) == 3) { |
| 334 |
tmp = ldfun(GET_OFFSET(t0, -3));
|
| 335 |
t1 = (t1 & 0x00FFFFFF) | (tmp << 24); |
| 336 |
} |
| 337 |
return (int32_t)t1;
|
| 338 |
} |
| 339 |
|
| 340 |
void do_swl(target_ulong t0, target_ulong t1, int mem_idx) |
| 341 |
{
|
| 342 |
#ifdef CONFIG_USER_ONLY
|
| 343 |
#define stfun stb_raw
|
| 344 |
#else
|
| 345 |
void (*stfun)(target_ulong, int); |
| 346 |
|
| 347 |
switch (mem_idx)
|
| 348 |
{
|
| 349 |
case 0: stfun = stb_kernel; break; |
| 350 |
case 1: stfun = stb_super; break; |
| 351 |
default:
|
| 352 |
case 2: stfun = stb_user; break; |
| 353 |
} |
| 354 |
#endif
|
| 355 |
stfun(t0, (uint8_t)(t1 >> 24));
|
| 356 |
|
| 357 |
if (GET_LMASK(t0) <= 2) |
| 358 |
stfun(GET_OFFSET(t0, 1), (uint8_t)(t1 >> 16)); |
| 359 |
|
| 360 |
if (GET_LMASK(t0) <= 1) |
| 361 |
stfun(GET_OFFSET(t0, 2), (uint8_t)(t1 >> 8)); |
| 362 |
|
| 363 |
if (GET_LMASK(t0) == 0) |
| 364 |
stfun(GET_OFFSET(t0, 3), (uint8_t)t1);
|
| 365 |
} |
| 366 |
|
| 367 |
void do_swr(target_ulong t0, target_ulong t1, int mem_idx) |
| 368 |
{
|
| 369 |
#ifdef CONFIG_USER_ONLY
|
| 370 |
#define stfun stb_raw
|
| 371 |
#else
|
| 372 |
void (*stfun)(target_ulong, int); |
| 373 |
|
| 374 |
switch (mem_idx)
|
| 375 |
{
|
| 376 |
case 0: stfun = stb_kernel; break; |
| 377 |
case 1: stfun = stb_super; break; |
| 378 |
default:
|
| 379 |
case 2: stfun = stb_user; break; |
| 380 |
} |
| 381 |
#endif
|
| 382 |
stfun(t0, (uint8_t)t1); |
| 383 |
|
| 384 |
if (GET_LMASK(t0) >= 1) |
| 385 |
stfun(GET_OFFSET(t0, -1), (uint8_t)(t1 >> 8)); |
| 386 |
|
| 387 |
if (GET_LMASK(t0) >= 2) |
| 388 |
stfun(GET_OFFSET(t0, -2), (uint8_t)(t1 >> 16)); |
| 389 |
|
| 390 |
if (GET_LMASK(t0) == 3) |
| 391 |
stfun(GET_OFFSET(t0, -3), (uint8_t)(t1 >> 24)); |
| 392 |
} |
| 393 |
|
| 394 |
#if defined(TARGET_MIPS64)
|
| 395 |
/* "half" load and stores. We must do the memory access inline,
|
| 396 |
or fault handling won't work. */
|
| 397 |
|
| 398 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 399 |
#define GET_LMASK64(v) ((v) & 7) |
| 400 |
#else
|
| 401 |
#define GET_LMASK64(v) (((v) & 7) ^ 7) |
| 402 |
#endif
|
| 403 |
|
| 404 |
target_ulong do_ldl(target_ulong t0, target_ulong t1, int mem_idx)
|
| 405 |
{
|
| 406 |
uint64_t tmp; |
| 407 |
|
| 408 |
#ifdef CONFIG_USER_ONLY
|
| 409 |
#define ldfun ldub_raw
|
| 410 |
#else
|
| 411 |
int (*ldfun)(target_ulong);
|
| 412 |
|
| 413 |
switch (mem_idx)
|
| 414 |
{
|
| 415 |
case 0: ldfun = ldub_kernel; break; |
| 416 |
case 1: ldfun = ldub_super; break; |
| 417 |
default:
|
| 418 |
case 2: ldfun = ldub_user; break; |
| 419 |
} |
| 420 |
#endif
|
| 421 |
tmp = ldfun(t0); |
| 422 |
t1 = (t1 & 0x00FFFFFFFFFFFFFFULL) | (tmp << 56); |
| 423 |
|
| 424 |
if (GET_LMASK64(t0) <= 6) { |
| 425 |
tmp = ldfun(GET_OFFSET(t0, 1));
|
| 426 |
t1 = (t1 & 0xFF00FFFFFFFFFFFFULL) | (tmp << 48); |
| 427 |
} |
| 428 |
|
| 429 |
if (GET_LMASK64(t0) <= 5) { |
| 430 |
tmp = ldfun(GET_OFFSET(t0, 2));
|
| 431 |
t1 = (t1 & 0xFFFF00FFFFFFFFFFULL) | (tmp << 40); |
| 432 |
} |
| 433 |
|
| 434 |
if (GET_LMASK64(t0) <= 4) { |
| 435 |
tmp = ldfun(GET_OFFSET(t0, 3));
|
| 436 |
t1 = (t1 & 0xFFFFFF00FFFFFFFFULL) | (tmp << 32); |
| 437 |
} |
| 438 |
|
| 439 |
if (GET_LMASK64(t0) <= 3) { |
| 440 |
tmp = ldfun(GET_OFFSET(t0, 4));
|
| 441 |
t1 = (t1 & 0xFFFFFFFF00FFFFFFULL) | (tmp << 24); |
| 442 |
} |
| 443 |
|
| 444 |
if (GET_LMASK64(t0) <= 2) { |
| 445 |
tmp = ldfun(GET_OFFSET(t0, 5));
|
| 446 |
t1 = (t1 & 0xFFFFFFFFFF00FFFFULL) | (tmp << 16); |
| 447 |
} |
| 448 |
|
| 449 |
if (GET_LMASK64(t0) <= 1) { |
| 450 |
tmp = ldfun(GET_OFFSET(t0, 6));
|
| 451 |
t1 = (t1 & 0xFFFFFFFFFFFF00FFULL) | (tmp << 8); |
| 452 |
} |
| 453 |
|
| 454 |
if (GET_LMASK64(t0) == 0) { |
| 455 |
tmp = ldfun(GET_OFFSET(t0, 7));
|
| 456 |
t1 = (t1 & 0xFFFFFFFFFFFFFF00ULL) | tmp;
|
| 457 |
} |
| 458 |
|
| 459 |
return t1;
|
| 460 |
} |
| 461 |
|
| 462 |
target_ulong do_ldr(target_ulong t0, target_ulong t1, int mem_idx)
|
| 463 |
{
|
| 464 |
uint64_t tmp; |
| 465 |
|
| 466 |
#ifdef CONFIG_USER_ONLY
|
| 467 |
#define ldfun ldub_raw
|
| 468 |
#else
|
| 469 |
int (*ldfun)(target_ulong);
|
| 470 |
|
| 471 |
switch (mem_idx)
|
| 472 |
{
|
| 473 |
case 0: ldfun = ldub_kernel; break; |
| 474 |
case 1: ldfun = ldub_super; break; |
| 475 |
default:
|
| 476 |
case 2: ldfun = ldub_user; break; |
| 477 |
} |
| 478 |
#endif
|
| 479 |
tmp = ldfun(t0); |
| 480 |
t1 = (t1 & 0xFFFFFFFFFFFFFF00ULL) | tmp;
|
| 481 |
|
| 482 |
if (GET_LMASK64(t0) >= 1) { |
| 483 |
tmp = ldfun(GET_OFFSET(t0, -1));
|
| 484 |
t1 = (t1 & 0xFFFFFFFFFFFF00FFULL) | (tmp << 8); |
| 485 |
} |
| 486 |
|
| 487 |
if (GET_LMASK64(t0) >= 2) { |
| 488 |
tmp = ldfun(GET_OFFSET(t0, -2));
|
| 489 |
t1 = (t1 & 0xFFFFFFFFFF00FFFFULL) | (tmp << 16); |
| 490 |
} |
| 491 |
|
| 492 |
if (GET_LMASK64(t0) >= 3) { |
| 493 |
tmp = ldfun(GET_OFFSET(t0, -3));
|
| 494 |
t1 = (t1 & 0xFFFFFFFF00FFFFFFULL) | (tmp << 24); |
| 495 |
} |
| 496 |
|
| 497 |
if (GET_LMASK64(t0) >= 4) { |
| 498 |
tmp = ldfun(GET_OFFSET(t0, -4));
|
| 499 |
t1 = (t1 & 0xFFFFFF00FFFFFFFFULL) | (tmp << 32); |
| 500 |
} |
| 501 |
|
| 502 |
if (GET_LMASK64(t0) >= 5) { |
| 503 |
tmp = ldfun(GET_OFFSET(t0, -5));
|
| 504 |
t1 = (t1 & 0xFFFF00FFFFFFFFFFULL) | (tmp << 40); |
| 505 |
} |
| 506 |
|
| 507 |
if (GET_LMASK64(t0) >= 6) { |
| 508 |
tmp = ldfun(GET_OFFSET(t0, -6));
|
| 509 |
t1 = (t1 & 0xFF00FFFFFFFFFFFFULL) | (tmp << 48); |
| 510 |
} |
| 511 |
|
| 512 |
if (GET_LMASK64(t0) == 7) { |
| 513 |
tmp = ldfun(GET_OFFSET(t0, -7));
|
| 514 |
t1 = (t1 & 0x00FFFFFFFFFFFFFFULL) | (tmp << 56); |
| 515 |
} |
| 516 |
|
| 517 |
return t1;
|
| 518 |
} |
| 519 |
|
| 520 |
void do_sdl(target_ulong t0, target_ulong t1, int mem_idx) |
| 521 |
{
|
| 522 |
#ifdef CONFIG_USER_ONLY
|
| 523 |
#define stfun stb_raw
|
| 524 |
#else
|
| 525 |
void (*stfun)(target_ulong, int); |
| 526 |
|
| 527 |
switch (mem_idx)
|
| 528 |
{
|
| 529 |
case 0: stfun = stb_kernel; break; |
| 530 |
case 1: stfun = stb_super; break; |
| 531 |
default:
|
| 532 |
case 2: stfun = stb_user; break; |
| 533 |
} |
| 534 |
#endif
|
| 535 |
stfun(t0, (uint8_t)(t1 >> 56));
|
| 536 |
|
| 537 |
if (GET_LMASK64(t0) <= 6) |
| 538 |
stfun(GET_OFFSET(t0, 1), (uint8_t)(t1 >> 48)); |
| 539 |
|
| 540 |
if (GET_LMASK64(t0) <= 5) |
| 541 |
stfun(GET_OFFSET(t0, 2), (uint8_t)(t1 >> 40)); |
| 542 |
|
| 543 |
if (GET_LMASK64(t0) <= 4) |
| 544 |
stfun(GET_OFFSET(t0, 3), (uint8_t)(t1 >> 32)); |
| 545 |
|
| 546 |
if (GET_LMASK64(t0) <= 3) |
| 547 |
stfun(GET_OFFSET(t0, 4), (uint8_t)(t1 >> 24)); |
| 548 |
|
| 549 |
if (GET_LMASK64(t0) <= 2) |
| 550 |
stfun(GET_OFFSET(t0, 5), (uint8_t)(t1 >> 16)); |
| 551 |
|
| 552 |
if (GET_LMASK64(t0) <= 1) |
| 553 |
stfun(GET_OFFSET(t0, 6), (uint8_t)(t1 >> 8)); |
| 554 |
|
| 555 |
if (GET_LMASK64(t0) <= 0) |
| 556 |
stfun(GET_OFFSET(t0, 7), (uint8_t)t1);
|
| 557 |
} |
| 558 |
|
| 559 |
void do_sdr(target_ulong t0, target_ulong t1, int mem_idx) |
| 560 |
{
|
| 561 |
#ifdef CONFIG_USER_ONLY
|
| 562 |
#define stfun stb_raw
|
| 563 |
#else
|
| 564 |
void (*stfun)(target_ulong, int); |
| 565 |
|
| 566 |
switch (mem_idx)
|
| 567 |
{
|
| 568 |
case 0: stfun = stb_kernel; break; |
| 569 |
case 1: stfun = stb_super; break; |
| 570 |
default:
|
| 571 |
case 2: stfun = stb_user; break; |
| 572 |
} |
| 573 |
#endif
|
| 574 |
stfun(t0, (uint8_t)t1); |
| 575 |
|
| 576 |
if (GET_LMASK64(t0) >= 1) |
| 577 |
stfun(GET_OFFSET(t0, -1), (uint8_t)(t1 >> 8)); |
| 578 |
|
| 579 |
if (GET_LMASK64(t0) >= 2) |
| 580 |
stfun(GET_OFFSET(t0, -2), (uint8_t)(t1 >> 16)); |
| 581 |
|
| 582 |
if (GET_LMASK64(t0) >= 3) |
| 583 |
stfun(GET_OFFSET(t0, -3), (uint8_t)(t1 >> 24)); |
| 584 |
|
| 585 |
if (GET_LMASK64(t0) >= 4) |
| 586 |
stfun(GET_OFFSET(t0, -4), (uint8_t)(t1 >> 32)); |
| 587 |
|
| 588 |
if (GET_LMASK64(t0) >= 5) |
| 589 |
stfun(GET_OFFSET(t0, -5), (uint8_t)(t1 >> 40)); |
| 590 |
|
| 591 |
if (GET_LMASK64(t0) >= 6) |
| 592 |
stfun(GET_OFFSET(t0, -6), (uint8_t)(t1 >> 48)); |
| 593 |
|
| 594 |
if (GET_LMASK64(t0) == 7) |
| 595 |
stfun(GET_OFFSET(t0, -7), (uint8_t)(t1 >> 56)); |
| 596 |
} |
| 597 |
#endif /* TARGET_MIPS64 */ |
| 598 |
|
| 599 |
#ifndef CONFIG_USER_ONLY
|
| 600 |
/* CP0 helpers */
|
| 601 |
target_ulong do_mfc0_mvpcontrol (void)
|
| 602 |
{
|
| 603 |
return env->mvp->CP0_MVPControl;
|
| 604 |
} |
| 605 |
|
| 606 |
target_ulong do_mfc0_mvpconf0 (void)
|
| 607 |
{
|
| 608 |
return env->mvp->CP0_MVPConf0;
|
| 609 |
} |
| 610 |
|
| 611 |
target_ulong do_mfc0_mvpconf1 (void)
|
| 612 |
{
|
| 613 |
return env->mvp->CP0_MVPConf1;
|
| 614 |
} |
| 615 |
|
| 616 |
target_ulong do_mfc0_random (void)
|
| 617 |
{
|
| 618 |
return (int32_t)cpu_mips_get_random(env);
|
| 619 |
} |
| 620 |
|
| 621 |
target_ulong do_mfc0_tcstatus (void)
|
| 622 |
{
|
| 623 |
return env->active_tc.CP0_TCStatus;
|
| 624 |
} |
| 625 |
|
| 626 |
target_ulong do_mftc0_tcstatus(void)
|
| 627 |
{
|
| 628 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 629 |
|
| 630 |
if (other_tc == env->current_tc)
|
| 631 |
return env->active_tc.CP0_TCStatus;
|
| 632 |
else
|
| 633 |
return env->tcs[other_tc].CP0_TCStatus;
|
| 634 |
} |
| 635 |
|
| 636 |
target_ulong do_mfc0_tcbind (void)
|
| 637 |
{
|
| 638 |
return env->active_tc.CP0_TCBind;
|
| 639 |
} |
| 640 |
|
| 641 |
target_ulong do_mftc0_tcbind(void)
|
| 642 |
{
|
| 643 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 644 |
|
| 645 |
if (other_tc == env->current_tc)
|
| 646 |
return env->active_tc.CP0_TCBind;
|
| 647 |
else
|
| 648 |
return env->tcs[other_tc].CP0_TCBind;
|
| 649 |
} |
| 650 |
|
| 651 |
target_ulong do_mfc0_tcrestart (void)
|
| 652 |
{
|
| 653 |
return env->active_tc.PC;
|
| 654 |
} |
| 655 |
|
| 656 |
target_ulong do_mftc0_tcrestart(void)
|
| 657 |
{
|
| 658 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 659 |
|
| 660 |
if (other_tc == env->current_tc)
|
| 661 |
return env->active_tc.PC;
|
| 662 |
else
|
| 663 |
return env->tcs[other_tc].PC;
|
| 664 |
} |
| 665 |
|
| 666 |
target_ulong do_mfc0_tchalt (void)
|
| 667 |
{
|
| 668 |
return env->active_tc.CP0_TCHalt;
|
| 669 |
} |
| 670 |
|
| 671 |
target_ulong do_mftc0_tchalt(void)
|
| 672 |
{
|
| 673 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 674 |
|
| 675 |
if (other_tc == env->current_tc)
|
| 676 |
return env->active_tc.CP0_TCHalt;
|
| 677 |
else
|
| 678 |
return env->tcs[other_tc].CP0_TCHalt;
|
| 679 |
} |
| 680 |
|
| 681 |
target_ulong do_mfc0_tccontext (void)
|
| 682 |
{
|
| 683 |
return env->active_tc.CP0_TCContext;
|
| 684 |
} |
| 685 |
|
| 686 |
target_ulong do_mftc0_tccontext(void)
|
| 687 |
{
|
| 688 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 689 |
|
| 690 |
if (other_tc == env->current_tc)
|
| 691 |
return env->active_tc.CP0_TCContext;
|
| 692 |
else
|
| 693 |
return env->tcs[other_tc].CP0_TCContext;
|
| 694 |
} |
| 695 |
|
| 696 |
target_ulong do_mfc0_tcschedule (void)
|
| 697 |
{
|
| 698 |
return env->active_tc.CP0_TCSchedule;
|
| 699 |
} |
| 700 |
|
| 701 |
target_ulong do_mftc0_tcschedule(void)
|
| 702 |
{
|
| 703 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 704 |
|
| 705 |
if (other_tc == env->current_tc)
|
| 706 |
return env->active_tc.CP0_TCSchedule;
|
| 707 |
else
|
| 708 |
return env->tcs[other_tc].CP0_TCSchedule;
|
| 709 |
} |
| 710 |
|
| 711 |
target_ulong do_mfc0_tcschefback (void)
|
| 712 |
{
|
| 713 |
return env->active_tc.CP0_TCScheFBack;
|
| 714 |
} |
| 715 |
|
| 716 |
target_ulong do_mftc0_tcschefback(void)
|
| 717 |
{
|
| 718 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 719 |
|
| 720 |
if (other_tc == env->current_tc)
|
| 721 |
return env->active_tc.CP0_TCScheFBack;
|
| 722 |
else
|
| 723 |
return env->tcs[other_tc].CP0_TCScheFBack;
|
| 724 |
} |
| 725 |
|
| 726 |
target_ulong do_mfc0_count (void)
|
| 727 |
{
|
| 728 |
return (int32_t)cpu_mips_get_count(env);
|
| 729 |
} |
| 730 |
|
| 731 |
target_ulong do_mftc0_entryhi(void)
|
| 732 |
{
|
| 733 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 734 |
int32_t tcstatus; |
| 735 |
|
| 736 |
if (other_tc == env->current_tc)
|
| 737 |
tcstatus = env->active_tc.CP0_TCStatus; |
| 738 |
else
|
| 739 |
tcstatus = env->tcs[other_tc].CP0_TCStatus; |
| 740 |
|
| 741 |
return (env->CP0_EntryHi & ~0xff) | (tcstatus & 0xff); |
| 742 |
} |
| 743 |
|
| 744 |
target_ulong do_mftc0_status(void)
|
| 745 |
{
|
| 746 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 747 |
target_ulong t0; |
| 748 |
int32_t tcstatus; |
| 749 |
|
| 750 |
if (other_tc == env->current_tc)
|
| 751 |
tcstatus = env->active_tc.CP0_TCStatus; |
| 752 |
else
|
| 753 |
tcstatus = env->tcs[other_tc].CP0_TCStatus; |
| 754 |
|
| 755 |
t0 = env->CP0_Status & ~0xf1000018;
|
| 756 |
t0 |= tcstatus & (0xf << CP0TCSt_TCU0);
|
| 757 |
t0 |= (tcstatus & (1 << CP0TCSt_TMX)) >> (CP0TCSt_TMX - CP0St_MX);
|
| 758 |
t0 |= (tcstatus & (0x3 << CP0TCSt_TKSU)) >> (CP0TCSt_TKSU - CP0St_KSU);
|
| 759 |
|
| 760 |
return t0;
|
| 761 |
} |
| 762 |
|
| 763 |
target_ulong do_mfc0_lladdr (void)
|
| 764 |
{
|
| 765 |
return (int32_t)env->CP0_LLAddr >> 4; |
| 766 |
} |
| 767 |
|
| 768 |
target_ulong do_mfc0_watchlo (uint32_t sel) |
| 769 |
{
|
| 770 |
return (int32_t)env->CP0_WatchLo[sel];
|
| 771 |
} |
| 772 |
|
| 773 |
target_ulong do_mfc0_watchhi (uint32_t sel) |
| 774 |
{
|
| 775 |
return env->CP0_WatchHi[sel];
|
| 776 |
} |
| 777 |
|
| 778 |
target_ulong do_mfc0_debug (void)
|
| 779 |
{
|
| 780 |
target_ulong t0 = env->CP0_Debug; |
| 781 |
if (env->hflags & MIPS_HFLAG_DM)
|
| 782 |
t0 |= 1 << CP0DB_DM;
|
| 783 |
|
| 784 |
return t0;
|
| 785 |
} |
| 786 |
|
| 787 |
target_ulong do_mftc0_debug(void)
|
| 788 |
{
|
| 789 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 790 |
int32_t tcstatus; |
| 791 |
|
| 792 |
if (other_tc == env->current_tc)
|
| 793 |
tcstatus = env->active_tc.CP0_Debug_tcstatus; |
| 794 |
else
|
| 795 |
tcstatus = env->tcs[other_tc].CP0_Debug_tcstatus; |
| 796 |
|
| 797 |
/* XXX: Might be wrong, check with EJTAG spec. */
|
| 798 |
return (env->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) | |
| 799 |
(tcstatus & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))); |
| 800 |
} |
| 801 |
|
| 802 |
#if defined(TARGET_MIPS64)
|
| 803 |
target_ulong do_dmfc0_tcrestart (void)
|
| 804 |
{
|
| 805 |
return env->active_tc.PC;
|
| 806 |
} |
| 807 |
|
| 808 |
target_ulong do_dmfc0_tchalt (void)
|
| 809 |
{
|
| 810 |
return env->active_tc.CP0_TCHalt;
|
| 811 |
} |
| 812 |
|
| 813 |
target_ulong do_dmfc0_tccontext (void)
|
| 814 |
{
|
| 815 |
return env->active_tc.CP0_TCContext;
|
| 816 |
} |
| 817 |
|
| 818 |
target_ulong do_dmfc0_tcschedule (void)
|
| 819 |
{
|
| 820 |
return env->active_tc.CP0_TCSchedule;
|
| 821 |
} |
| 822 |
|
| 823 |
target_ulong do_dmfc0_tcschefback (void)
|
| 824 |
{
|
| 825 |
return env->active_tc.CP0_TCScheFBack;
|
| 826 |
} |
| 827 |
|
| 828 |
target_ulong do_dmfc0_lladdr (void)
|
| 829 |
{
|
| 830 |
return env->CP0_LLAddr >> 4; |
| 831 |
} |
| 832 |
|
| 833 |
target_ulong do_dmfc0_watchlo (uint32_t sel) |
| 834 |
{
|
| 835 |
return env->CP0_WatchLo[sel];
|
| 836 |
} |
| 837 |
#endif /* TARGET_MIPS64 */ |
| 838 |
|
| 839 |
void do_mtc0_index (target_ulong t0)
|
| 840 |
{
|
| 841 |
int num = 1; |
| 842 |
unsigned int tmp = env->tlb->nb_tlb; |
| 843 |
|
| 844 |
do {
|
| 845 |
tmp >>= 1;
|
| 846 |
num <<= 1;
|
| 847 |
} while (tmp);
|
| 848 |
env->CP0_Index = (env->CP0_Index & 0x80000000) | (t0 & (num - 1)); |
| 849 |
} |
| 850 |
|
| 851 |
void do_mtc0_mvpcontrol (target_ulong t0)
|
| 852 |
{
|
| 853 |
uint32_t mask = 0;
|
| 854 |
uint32_t newval; |
| 855 |
|
| 856 |
if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) |
| 857 |
mask |= (1 << CP0MVPCo_CPA) | (1 << CP0MVPCo_VPC) | |
| 858 |
(1 << CP0MVPCo_EVP);
|
| 859 |
if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC)) |
| 860 |
mask |= (1 << CP0MVPCo_STLB);
|
| 861 |
newval = (env->mvp->CP0_MVPControl & ~mask) | (t0 & mask); |
| 862 |
|
| 863 |
// TODO: Enable/disable shared TLB, enable/disable VPEs.
|
| 864 |
|
| 865 |
env->mvp->CP0_MVPControl = newval; |
| 866 |
} |
| 867 |
|
| 868 |
void do_mtc0_vpecontrol (target_ulong t0)
|
| 869 |
{
|
| 870 |
uint32_t mask; |
| 871 |
uint32_t newval; |
| 872 |
|
| 873 |
mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) | |
| 874 |
(1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC); |
| 875 |
newval = (env->CP0_VPEControl & ~mask) | (t0 & mask); |
| 876 |
|
| 877 |
/* Yield scheduler intercept not implemented. */
|
| 878 |
/* Gating storage scheduler intercept not implemented. */
|
| 879 |
|
| 880 |
// TODO: Enable/disable TCs.
|
| 881 |
|
| 882 |
env->CP0_VPEControl = newval; |
| 883 |
} |
| 884 |
|
| 885 |
void do_mtc0_vpeconf0 (target_ulong t0)
|
| 886 |
{
|
| 887 |
uint32_t mask = 0;
|
| 888 |
uint32_t newval; |
| 889 |
|
| 890 |
if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) { |
| 891 |
if (env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA)) |
| 892 |
mask |= (0xff << CP0VPEC0_XTC);
|
| 893 |
mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA); |
| 894 |
} |
| 895 |
newval = (env->CP0_VPEConf0 & ~mask) | (t0 & mask); |
| 896 |
|
| 897 |
// TODO: TC exclusive handling due to ERL/EXL.
|
| 898 |
|
| 899 |
env->CP0_VPEConf0 = newval; |
| 900 |
} |
| 901 |
|
| 902 |
void do_mtc0_vpeconf1 (target_ulong t0)
|
| 903 |
{
|
| 904 |
uint32_t mask = 0;
|
| 905 |
uint32_t newval; |
| 906 |
|
| 907 |
if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC)) |
| 908 |
mask |= (0xff << CP0VPEC1_NCX) | (0xff << CP0VPEC1_NCP2) | |
| 909 |
(0xff << CP0VPEC1_NCP1);
|
| 910 |
newval = (env->CP0_VPEConf1 & ~mask) | (t0 & mask); |
| 911 |
|
| 912 |
/* UDI not implemented. */
|
| 913 |
/* CP2 not implemented. */
|
| 914 |
|
| 915 |
// TODO: Handle FPU (CP1) binding.
|
| 916 |
|
| 917 |
env->CP0_VPEConf1 = newval; |
| 918 |
} |
| 919 |
|
| 920 |
void do_mtc0_yqmask (target_ulong t0)
|
| 921 |
{
|
| 922 |
/* Yield qualifier inputs not implemented. */
|
| 923 |
env->CP0_YQMask = 0x00000000;
|
| 924 |
} |
| 925 |
|
| 926 |
void do_mtc0_vpeopt (target_ulong t0)
|
| 927 |
{
|
| 928 |
env->CP0_VPEOpt = t0 & 0x0000ffff;
|
| 929 |
} |
| 930 |
|
| 931 |
void do_mtc0_entrylo0 (target_ulong t0)
|
| 932 |
{
|
| 933 |
/* Large physaddr (PABITS) not implemented */
|
| 934 |
/* 1k pages not implemented */
|
| 935 |
env->CP0_EntryLo0 = t0 & 0x3FFFFFFF;
|
| 936 |
} |
| 937 |
|
| 938 |
void do_mtc0_tcstatus (target_ulong t0)
|
| 939 |
{
|
| 940 |
uint32_t mask = env->CP0_TCStatus_rw_bitmask; |
| 941 |
uint32_t newval; |
| 942 |
|
| 943 |
newval = (env->active_tc.CP0_TCStatus & ~mask) | (t0 & mask); |
| 944 |
|
| 945 |
// TODO: Sync with CP0_Status.
|
| 946 |
|
| 947 |
env->active_tc.CP0_TCStatus = newval; |
| 948 |
} |
| 949 |
|
| 950 |
void do_mttc0_tcstatus (target_ulong t0)
|
| 951 |
{
|
| 952 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 953 |
|
| 954 |
// TODO: Sync with CP0_Status.
|
| 955 |
|
| 956 |
if (other_tc == env->current_tc)
|
| 957 |
env->active_tc.CP0_TCStatus = t0; |
| 958 |
else
|
| 959 |
env->tcs[other_tc].CP0_TCStatus = t0; |
| 960 |
} |
| 961 |
|
| 962 |
void do_mtc0_tcbind (target_ulong t0)
|
| 963 |
{
|
| 964 |
uint32_t mask = (1 << CP0TCBd_TBE);
|
| 965 |
uint32_t newval; |
| 966 |
|
| 967 |
if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC)) |
| 968 |
mask |= (1 << CP0TCBd_CurVPE);
|
| 969 |
newval = (env->active_tc.CP0_TCBind & ~mask) | (t0 & mask); |
| 970 |
env->active_tc.CP0_TCBind = newval; |
| 971 |
} |
| 972 |
|
| 973 |
void do_mttc0_tcbind (target_ulong t0)
|
| 974 |
{
|
| 975 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 976 |
uint32_t mask = (1 << CP0TCBd_TBE);
|
| 977 |
uint32_t newval; |
| 978 |
|
| 979 |
if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC)) |
| 980 |
mask |= (1 << CP0TCBd_CurVPE);
|
| 981 |
if (other_tc == env->current_tc) {
|
| 982 |
newval = (env->active_tc.CP0_TCBind & ~mask) | (t0 & mask); |
| 983 |
env->active_tc.CP0_TCBind = newval; |
| 984 |
} else {
|
| 985 |
newval = (env->tcs[other_tc].CP0_TCBind & ~mask) | (t0 & mask); |
| 986 |
env->tcs[other_tc].CP0_TCBind = newval; |
| 987 |
} |
| 988 |
} |
| 989 |
|
| 990 |
void do_mtc0_tcrestart (target_ulong t0)
|
| 991 |
{
|
| 992 |
env->active_tc.PC = t0; |
| 993 |
env->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
|
| 994 |
env->CP0_LLAddr = 0ULL;
|
| 995 |
/* MIPS16 not implemented. */
|
| 996 |
} |
| 997 |
|
| 998 |
void do_mttc0_tcrestart (target_ulong t0)
|
| 999 |
{
|
| 1000 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1001 |
|
| 1002 |
if (other_tc == env->current_tc) {
|
| 1003 |
env->active_tc.PC = t0; |
| 1004 |
env->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
|
| 1005 |
env->CP0_LLAddr = 0ULL;
|
| 1006 |
/* MIPS16 not implemented. */
|
| 1007 |
} else {
|
| 1008 |
env->tcs[other_tc].PC = t0; |
| 1009 |
env->tcs[other_tc].CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
|
| 1010 |
env->CP0_LLAddr = 0ULL;
|
| 1011 |
/* MIPS16 not implemented. */
|
| 1012 |
} |
| 1013 |
} |
| 1014 |
|
| 1015 |
void do_mtc0_tchalt (target_ulong t0)
|
| 1016 |
{
|
| 1017 |
env->active_tc.CP0_TCHalt = t0 & 0x1;
|
| 1018 |
|
| 1019 |
// TODO: Halt TC / Restart (if allocated+active) TC.
|
| 1020 |
} |
| 1021 |
|
| 1022 |
void do_mttc0_tchalt (target_ulong t0)
|
| 1023 |
{
|
| 1024 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1025 |
|
| 1026 |
// TODO: Halt TC / Restart (if allocated+active) TC.
|
| 1027 |
|
| 1028 |
if (other_tc == env->current_tc)
|
| 1029 |
env->active_tc.CP0_TCHalt = t0; |
| 1030 |
else
|
| 1031 |
env->tcs[other_tc].CP0_TCHalt = t0; |
| 1032 |
} |
| 1033 |
|
| 1034 |
void do_mtc0_tccontext (target_ulong t0)
|
| 1035 |
{
|
| 1036 |
env->active_tc.CP0_TCContext = t0; |
| 1037 |
} |
| 1038 |
|
| 1039 |
void do_mttc0_tccontext (target_ulong t0)
|
| 1040 |
{
|
| 1041 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1042 |
|
| 1043 |
if (other_tc == env->current_tc)
|
| 1044 |
env->active_tc.CP0_TCContext = t0; |
| 1045 |
else
|
| 1046 |
env->tcs[other_tc].CP0_TCContext = t0; |
| 1047 |
} |
| 1048 |
|
| 1049 |
void do_mtc0_tcschedule (target_ulong t0)
|
| 1050 |
{
|
| 1051 |
env->active_tc.CP0_TCSchedule = t0; |
| 1052 |
} |
| 1053 |
|
| 1054 |
void do_mttc0_tcschedule (target_ulong t0)
|
| 1055 |
{
|
| 1056 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1057 |
|
| 1058 |
if (other_tc == env->current_tc)
|
| 1059 |
env->active_tc.CP0_TCSchedule = t0; |
| 1060 |
else
|
| 1061 |
env->tcs[other_tc].CP0_TCSchedule = t0; |
| 1062 |
} |
| 1063 |
|
| 1064 |
void do_mtc0_tcschefback (target_ulong t0)
|
| 1065 |
{
|
| 1066 |
env->active_tc.CP0_TCScheFBack = t0; |
| 1067 |
} |
| 1068 |
|
| 1069 |
void do_mttc0_tcschefback (target_ulong t0)
|
| 1070 |
{
|
| 1071 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1072 |
|
| 1073 |
if (other_tc == env->current_tc)
|
| 1074 |
env->active_tc.CP0_TCScheFBack = t0; |
| 1075 |
else
|
| 1076 |
env->tcs[other_tc].CP0_TCScheFBack = t0; |
| 1077 |
} |
| 1078 |
|
| 1079 |
void do_mtc0_entrylo1 (target_ulong t0)
|
| 1080 |
{
|
| 1081 |
/* Large physaddr (PABITS) not implemented */
|
| 1082 |
/* 1k pages not implemented */
|
| 1083 |
env->CP0_EntryLo1 = t0 & 0x3FFFFFFF;
|
| 1084 |
} |
| 1085 |
|
| 1086 |
void do_mtc0_context (target_ulong t0)
|
| 1087 |
{
|
| 1088 |
env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (t0 & ~0x007FFFFF); |
| 1089 |
} |
| 1090 |
|
| 1091 |
void do_mtc0_pagemask (target_ulong t0)
|
| 1092 |
{
|
| 1093 |
/* 1k pages not implemented */
|
| 1094 |
env->CP0_PageMask = t0 & (0x1FFFFFFF & (TARGET_PAGE_MASK << 1)); |
| 1095 |
} |
| 1096 |
|
| 1097 |
void do_mtc0_pagegrain (target_ulong t0)
|
| 1098 |
{
|
| 1099 |
/* SmartMIPS not implemented */
|
| 1100 |
/* Large physaddr (PABITS) not implemented */
|
| 1101 |
/* 1k pages not implemented */
|
| 1102 |
env->CP0_PageGrain = 0;
|
| 1103 |
} |
| 1104 |
|
| 1105 |
void do_mtc0_wired (target_ulong t0)
|
| 1106 |
{
|
| 1107 |
env->CP0_Wired = t0 % env->tlb->nb_tlb; |
| 1108 |
} |
| 1109 |
|
| 1110 |
void do_mtc0_srsconf0 (target_ulong t0)
|
| 1111 |
{
|
| 1112 |
env->CP0_SRSConf0 |= t0 & env->CP0_SRSConf0_rw_bitmask; |
| 1113 |
} |
| 1114 |
|
| 1115 |
void do_mtc0_srsconf1 (target_ulong t0)
|
| 1116 |
{
|
| 1117 |
env->CP0_SRSConf1 |= t0 & env->CP0_SRSConf1_rw_bitmask; |
| 1118 |
} |
| 1119 |
|
| 1120 |
void do_mtc0_srsconf2 (target_ulong t0)
|
| 1121 |
{
|
| 1122 |
env->CP0_SRSConf2 |= t0 & env->CP0_SRSConf2_rw_bitmask; |
| 1123 |
} |
| 1124 |
|
| 1125 |
void do_mtc0_srsconf3 (target_ulong t0)
|
| 1126 |
{
|
| 1127 |
env->CP0_SRSConf3 |= t0 & env->CP0_SRSConf3_rw_bitmask; |
| 1128 |
} |
| 1129 |
|
| 1130 |
void do_mtc0_srsconf4 (target_ulong t0)
|
| 1131 |
{
|
| 1132 |
env->CP0_SRSConf4 |= t0 & env->CP0_SRSConf4_rw_bitmask; |
| 1133 |
} |
| 1134 |
|
| 1135 |
void do_mtc0_hwrena (target_ulong t0)
|
| 1136 |
{
|
| 1137 |
env->CP0_HWREna = t0 & 0x0000000F;
|
| 1138 |
} |
| 1139 |
|
| 1140 |
void do_mtc0_count (target_ulong t0)
|
| 1141 |
{
|
| 1142 |
cpu_mips_store_count(env, t0); |
| 1143 |
} |
| 1144 |
|
| 1145 |
void do_mtc0_entryhi (target_ulong t0)
|
| 1146 |
{
|
| 1147 |
target_ulong old, val; |
| 1148 |
|
| 1149 |
/* 1k pages not implemented */
|
| 1150 |
val = t0 & ((TARGET_PAGE_MASK << 1) | 0xFF); |
| 1151 |
#if defined(TARGET_MIPS64)
|
| 1152 |
val &= env->SEGMask; |
| 1153 |
#endif
|
| 1154 |
old = env->CP0_EntryHi; |
| 1155 |
env->CP0_EntryHi = val; |
| 1156 |
if (env->CP0_Config3 & (1 << CP0C3_MT)) { |
| 1157 |
uint32_t tcst = env->active_tc.CP0_TCStatus & ~0xff;
|
| 1158 |
env->active_tc.CP0_TCStatus = tcst | (val & 0xff);
|
| 1159 |
} |
| 1160 |
/* If the ASID changes, flush qemu's TLB. */
|
| 1161 |
if ((old & 0xFF) != (val & 0xFF)) |
| 1162 |
cpu_mips_tlb_flush(env, 1);
|
| 1163 |
} |
| 1164 |
|
| 1165 |
void do_mttc0_entryhi(target_ulong t0)
|
| 1166 |
{
|
| 1167 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1168 |
int32_t tcstatus; |
| 1169 |
|
| 1170 |
env->CP0_EntryHi = (env->CP0_EntryHi & 0xff) | (t0 & ~0xff); |
| 1171 |
if (other_tc == env->current_tc) {
|
| 1172 |
tcstatus = (env->active_tc.CP0_TCStatus & ~0xff) | (t0 & 0xff); |
| 1173 |
env->active_tc.CP0_TCStatus = tcstatus; |
| 1174 |
} else {
|
| 1175 |
tcstatus = (env->tcs[other_tc].CP0_TCStatus & ~0xff) | (t0 & 0xff); |
| 1176 |
env->tcs[other_tc].CP0_TCStatus = tcstatus; |
| 1177 |
} |
| 1178 |
} |
| 1179 |
|
| 1180 |
void do_mtc0_compare (target_ulong t0)
|
| 1181 |
{
|
| 1182 |
cpu_mips_store_compare(env, t0); |
| 1183 |
} |
| 1184 |
|
| 1185 |
void do_mtc0_status (target_ulong t0)
|
| 1186 |
{
|
| 1187 |
uint32_t val, old; |
| 1188 |
uint32_t mask = env->CP0_Status_rw_bitmask; |
| 1189 |
|
| 1190 |
val = t0 & mask; |
| 1191 |
old = env->CP0_Status; |
| 1192 |
env->CP0_Status = (env->CP0_Status & ~mask) | val; |
| 1193 |
compute_hflags(env); |
| 1194 |
if (loglevel & CPU_LOG_EXEC)
|
| 1195 |
do_mtc0_status_debug(old, val); |
| 1196 |
cpu_mips_update_irq(env); |
| 1197 |
} |
| 1198 |
|
| 1199 |
void do_mttc0_status(target_ulong t0)
|
| 1200 |
{
|
| 1201 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1202 |
int32_t tcstatus = env->tcs[other_tc].CP0_TCStatus; |
| 1203 |
|
| 1204 |
env->CP0_Status = t0 & ~0xf1000018;
|
| 1205 |
tcstatus = (tcstatus & ~(0xf << CP0TCSt_TCU0)) | (t0 & (0xf << CP0St_CU0)); |
| 1206 |
tcstatus = (tcstatus & ~(1 << CP0TCSt_TMX)) | ((t0 & (1 << CP0St_MX)) << (CP0TCSt_TMX - CP0St_MX)); |
| 1207 |
tcstatus = (tcstatus & ~(0x3 << CP0TCSt_TKSU)) | ((t0 & (0x3 << CP0St_KSU)) << (CP0TCSt_TKSU - CP0St_KSU)); |
| 1208 |
if (other_tc == env->current_tc)
|
| 1209 |
env->active_tc.CP0_TCStatus = tcstatus; |
| 1210 |
else
|
| 1211 |
env->tcs[other_tc].CP0_TCStatus = tcstatus; |
| 1212 |
} |
| 1213 |
|
| 1214 |
void do_mtc0_intctl (target_ulong t0)
|
| 1215 |
{
|
| 1216 |
/* vectored interrupts not implemented, no performance counters. */
|
| 1217 |
env->CP0_IntCtl = (env->CP0_IntCtl & ~0x000002e0) | (t0 & 0x000002e0); |
| 1218 |
} |
| 1219 |
|
| 1220 |
void do_mtc0_srsctl (target_ulong t0)
|
| 1221 |
{
|
| 1222 |
uint32_t mask = (0xf << CP0SRSCtl_ESS) | (0xf << CP0SRSCtl_PSS); |
| 1223 |
env->CP0_SRSCtl = (env->CP0_SRSCtl & ~mask) | (t0 & mask); |
| 1224 |
} |
| 1225 |
|
| 1226 |
void do_mtc0_cause (target_ulong t0)
|
| 1227 |
{
|
| 1228 |
uint32_t mask = 0x00C00300;
|
| 1229 |
uint32_t old = env->CP0_Cause; |
| 1230 |
|
| 1231 |
if (env->insn_flags & ISA_MIPS32R2)
|
| 1232 |
mask |= 1 << CP0Ca_DC;
|
| 1233 |
|
| 1234 |
env->CP0_Cause = (env->CP0_Cause & ~mask) | (t0 & mask); |
| 1235 |
|
| 1236 |
if ((old ^ env->CP0_Cause) & (1 << CP0Ca_DC)) { |
| 1237 |
if (env->CP0_Cause & (1 << CP0Ca_DC)) |
| 1238 |
cpu_mips_stop_count(env); |
| 1239 |
else
|
| 1240 |
cpu_mips_start_count(env); |
| 1241 |
} |
| 1242 |
|
| 1243 |
/* Handle the software interrupt as an hardware one, as they
|
| 1244 |
are very similar */
|
| 1245 |
if (t0 & CP0Ca_IP_mask) {
|
| 1246 |
cpu_mips_update_irq(env); |
| 1247 |
} |
| 1248 |
} |
| 1249 |
|
| 1250 |
void do_mtc0_ebase (target_ulong t0)
|
| 1251 |
{
|
| 1252 |
/* vectored interrupts not implemented */
|
| 1253 |
/* Multi-CPU not implemented */
|
| 1254 |
env->CP0_EBase = 0x80000000 | (t0 & 0x3FFFF000); |
| 1255 |
} |
| 1256 |
|
| 1257 |
void do_mtc0_config0 (target_ulong t0)
|
| 1258 |
{
|
| 1259 |
env->CP0_Config0 = (env->CP0_Config0 & 0x81FFFFF8) | (t0 & 0x00000007); |
| 1260 |
} |
| 1261 |
|
| 1262 |
void do_mtc0_config2 (target_ulong t0)
|
| 1263 |
{
|
| 1264 |
/* tertiary/secondary caches not implemented */
|
| 1265 |
env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
|
| 1266 |
} |
| 1267 |
|
| 1268 |
void do_mtc0_watchlo (target_ulong t0, uint32_t sel)
|
| 1269 |
{
|
| 1270 |
/* Watch exceptions for instructions, data loads, data stores
|
| 1271 |
not implemented. */
|
| 1272 |
env->CP0_WatchLo[sel] = (t0 & ~0x7);
|
| 1273 |
} |
| 1274 |
|
| 1275 |
void do_mtc0_watchhi (target_ulong t0, uint32_t sel)
|
| 1276 |
{
|
| 1277 |
env->CP0_WatchHi[sel] = (t0 & 0x40FF0FF8);
|
| 1278 |
env->CP0_WatchHi[sel] &= ~(env->CP0_WatchHi[sel] & t0 & 0x7);
|
| 1279 |
} |
| 1280 |
|
| 1281 |
void do_mtc0_xcontext (target_ulong t0)
|
| 1282 |
{
|
| 1283 |
target_ulong mask = (1ULL << (env->SEGBITS - 7)) - 1; |
| 1284 |
env->CP0_XContext = (env->CP0_XContext & mask) | (t0 & ~mask); |
| 1285 |
} |
| 1286 |
|
| 1287 |
void do_mtc0_framemask (target_ulong t0)
|
| 1288 |
{
|
| 1289 |
env->CP0_Framemask = t0; /* XXX */
|
| 1290 |
} |
| 1291 |
|
| 1292 |
void do_mtc0_debug (target_ulong t0)
|
| 1293 |
{
|
| 1294 |
env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (t0 & 0x13300120); |
| 1295 |
if (t0 & (1 << CP0DB_DM)) |
| 1296 |
env->hflags |= MIPS_HFLAG_DM; |
| 1297 |
else
|
| 1298 |
env->hflags &= ~MIPS_HFLAG_DM; |
| 1299 |
} |
| 1300 |
|
| 1301 |
void do_mttc0_debug(target_ulong t0)
|
| 1302 |
{
|
| 1303 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1304 |
uint32_t val = t0 & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt)); |
| 1305 |
|
| 1306 |
/* XXX: Might be wrong, check with EJTAG spec. */
|
| 1307 |
if (other_tc == env->current_tc)
|
| 1308 |
env->active_tc.CP0_Debug_tcstatus = val; |
| 1309 |
else
|
| 1310 |
env->tcs[other_tc].CP0_Debug_tcstatus = val; |
| 1311 |
env->CP0_Debug = (env->CP0_Debug & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) | |
| 1312 |
(t0 & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))); |
| 1313 |
} |
| 1314 |
|
| 1315 |
void do_mtc0_performance0 (target_ulong t0)
|
| 1316 |
{
|
| 1317 |
env->CP0_Performance0 = t0 & 0x000007ff;
|
| 1318 |
} |
| 1319 |
|
| 1320 |
void do_mtc0_taglo (target_ulong t0)
|
| 1321 |
{
|
| 1322 |
env->CP0_TagLo = t0 & 0xFFFFFCF6;
|
| 1323 |
} |
| 1324 |
|
| 1325 |
void do_mtc0_datalo (target_ulong t0)
|
| 1326 |
{
|
| 1327 |
env->CP0_DataLo = t0; /* XXX */
|
| 1328 |
} |
| 1329 |
|
| 1330 |
void do_mtc0_taghi (target_ulong t0)
|
| 1331 |
{
|
| 1332 |
env->CP0_TagHi = t0; /* XXX */
|
| 1333 |
} |
| 1334 |
|
| 1335 |
void do_mtc0_datahi (target_ulong t0)
|
| 1336 |
{
|
| 1337 |
env->CP0_DataHi = t0; /* XXX */
|
| 1338 |
} |
| 1339 |
|
| 1340 |
void do_mtc0_status_debug(uint32_t old, uint32_t val)
|
| 1341 |
{
|
| 1342 |
fprintf(logfile, "Status %08x (%08x) => %08x (%08x) Cause %08x",
|
| 1343 |
old, old & env->CP0_Cause & CP0Ca_IP_mask, |
| 1344 |
val, val & env->CP0_Cause & CP0Ca_IP_mask, |
| 1345 |
env->CP0_Cause); |
| 1346 |
switch (env->hflags & MIPS_HFLAG_KSU) {
|
| 1347 |
case MIPS_HFLAG_UM: fputs(", UM\n", logfile); break; |
| 1348 |
case MIPS_HFLAG_SM: fputs(", SM\n", logfile); break; |
| 1349 |
case MIPS_HFLAG_KM: fputs("\n", logfile); break; |
| 1350 |
default: cpu_abort(env, "Invalid MMU mode!\n"); break; |
| 1351 |
} |
| 1352 |
} |
| 1353 |
|
| 1354 |
void do_mtc0_status_irqraise_debug(void) |
| 1355 |
{
|
| 1356 |
fprintf(logfile, "Raise pending IRQs\n");
|
| 1357 |
} |
| 1358 |
#endif /* !CONFIG_USER_ONLY */ |
| 1359 |
|
| 1360 |
/* MIPS MT functions */
|
| 1361 |
target_ulong do_mftgpr(target_ulong t0, uint32_t sel) |
| 1362 |
{
|
| 1363 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1364 |
|
| 1365 |
if (other_tc == env->current_tc)
|
| 1366 |
return env->active_tc.gpr[sel];
|
| 1367 |
else
|
| 1368 |
return env->tcs[other_tc].gpr[sel];
|
| 1369 |
} |
| 1370 |
|
| 1371 |
target_ulong do_mftlo(target_ulong t0, uint32_t sel) |
| 1372 |
{
|
| 1373 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1374 |
|
| 1375 |
if (other_tc == env->current_tc)
|
| 1376 |
return env->active_tc.LO[sel];
|
| 1377 |
else
|
| 1378 |
return env->tcs[other_tc].LO[sel];
|
| 1379 |
} |
| 1380 |
|
| 1381 |
target_ulong do_mfthi(target_ulong t0, uint32_t sel) |
| 1382 |
{
|
| 1383 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1384 |
|
| 1385 |
if (other_tc == env->current_tc)
|
| 1386 |
return env->active_tc.HI[sel];
|
| 1387 |
else
|
| 1388 |
return env->tcs[other_tc].HI[sel];
|
| 1389 |
} |
| 1390 |
|
| 1391 |
target_ulong do_mftacx(target_ulong t0, uint32_t sel) |
| 1392 |
{
|
| 1393 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1394 |
|
| 1395 |
if (other_tc == env->current_tc)
|
| 1396 |
return env->active_tc.ACX[sel];
|
| 1397 |
else
|
| 1398 |
return env->tcs[other_tc].ACX[sel];
|
| 1399 |
} |
| 1400 |
|
| 1401 |
target_ulong do_mftdsp(target_ulong t0) |
| 1402 |
{
|
| 1403 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1404 |
|
| 1405 |
if (other_tc == env->current_tc)
|
| 1406 |
return env->active_tc.DSPControl;
|
| 1407 |
else
|
| 1408 |
return env->tcs[other_tc].DSPControl;
|
| 1409 |
} |
| 1410 |
|
| 1411 |
void do_mttgpr(target_ulong t0, uint32_t sel)
|
| 1412 |
{
|
| 1413 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1414 |
|
| 1415 |
if (other_tc == env->current_tc)
|
| 1416 |
env->active_tc.gpr[sel] = t0; |
| 1417 |
else
|
| 1418 |
env->tcs[other_tc].gpr[sel] = t0; |
| 1419 |
} |
| 1420 |
|
| 1421 |
void do_mttlo(target_ulong t0, uint32_t sel)
|
| 1422 |
{
|
| 1423 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1424 |
|
| 1425 |
if (other_tc == env->current_tc)
|
| 1426 |
env->active_tc.LO[sel] = t0; |
| 1427 |
else
|
| 1428 |
env->tcs[other_tc].LO[sel] = t0; |
| 1429 |
} |
| 1430 |
|
| 1431 |
void do_mtthi(target_ulong t0, uint32_t sel)
|
| 1432 |
{
|
| 1433 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1434 |
|
| 1435 |
if (other_tc == env->current_tc)
|
| 1436 |
env->active_tc.HI[sel] = t0; |
| 1437 |
else
|
| 1438 |
env->tcs[other_tc].HI[sel] = t0; |
| 1439 |
} |
| 1440 |
|
| 1441 |
void do_mttacx(target_ulong t0, uint32_t sel)
|
| 1442 |
{
|
| 1443 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1444 |
|
| 1445 |
if (other_tc == env->current_tc)
|
| 1446 |
env->active_tc.ACX[sel] = t0; |
| 1447 |
else
|
| 1448 |
env->tcs[other_tc].ACX[sel] = t0; |
| 1449 |
} |
| 1450 |
|
| 1451 |
void do_mttdsp(target_ulong t0)
|
| 1452 |
{
|
| 1453 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 1454 |
|
| 1455 |
if (other_tc == env->current_tc)
|
| 1456 |
env->active_tc.DSPControl = t0; |
| 1457 |
else
|
| 1458 |
env->tcs[other_tc].DSPControl = t0; |
| 1459 |
} |
| 1460 |
|
| 1461 |
/* MIPS MT functions */
|
| 1462 |
target_ulong do_dmt(target_ulong t0) |
| 1463 |
{
|
| 1464 |
// TODO
|
| 1465 |
t0 = 0;
|
| 1466 |
// rt = t0
|
| 1467 |
|
| 1468 |
return t0;
|
| 1469 |
} |
| 1470 |
|
| 1471 |
target_ulong do_emt(target_ulong t0) |
| 1472 |
{
|
| 1473 |
// TODO
|
| 1474 |
t0 = 0;
|
| 1475 |
// rt = t0
|
| 1476 |
|
| 1477 |
return t0;
|
| 1478 |
} |
| 1479 |
|
| 1480 |
target_ulong do_dvpe(target_ulong t0) |
| 1481 |
{
|
| 1482 |
// TODO
|
| 1483 |
t0 = 0;
|
| 1484 |
// rt = t0
|
| 1485 |
|
| 1486 |
return t0;
|
| 1487 |
} |
| 1488 |
|
| 1489 |
target_ulong do_evpe(target_ulong t0) |
| 1490 |
{
|
| 1491 |
// TODO
|
| 1492 |
t0 = 0;
|
| 1493 |
// rt = t0
|
| 1494 |
|
| 1495 |
return t0;
|
| 1496 |
} |
| 1497 |
|
| 1498 |
void do_fork(target_ulong t0, target_ulong t1)
|
| 1499 |
{
|
| 1500 |
// t0 = rt, t1 = rs
|
| 1501 |
t0 = 0;
|
| 1502 |
// TODO: store to TC register
|
| 1503 |
} |
| 1504 |
|
| 1505 |
target_ulong do_yield(target_ulong t0) |
| 1506 |
{
|
| 1507 |
if (t0 < 0) { |
| 1508 |
/* No scheduling policy implemented. */
|
| 1509 |
if (t0 != -2) { |
| 1510 |
if (env->CP0_VPEControl & (1 << CP0VPECo_YSI) && |
| 1511 |
env->active_tc.CP0_TCStatus & (1 << CP0TCSt_DT)) {
|
| 1512 |
env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
|
| 1513 |
env->CP0_VPEControl |= 4 << CP0VPECo_EXCPT;
|
| 1514 |
do_raise_exception(EXCP_THREAD); |
| 1515 |
} |
| 1516 |
} |
| 1517 |
} else if (t0 == 0) { |
| 1518 |
if (0 /* TODO: TC underflow */) { |
| 1519 |
env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
|
| 1520 |
do_raise_exception(EXCP_THREAD); |
| 1521 |
} else {
|
| 1522 |
// TODO: Deallocate TC
|
| 1523 |
} |
| 1524 |
} else if (t0 > 0) { |
| 1525 |
/* Yield qualifier inputs not implemented. */
|
| 1526 |
env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
|
| 1527 |
env->CP0_VPEControl |= 2 << CP0VPECo_EXCPT;
|
| 1528 |
do_raise_exception(EXCP_THREAD); |
| 1529 |
} |
| 1530 |
return env->CP0_YQMask;
|
| 1531 |
} |
| 1532 |
|
| 1533 |
#ifndef CONFIG_USER_ONLY
|
| 1534 |
/* TLB management */
|
| 1535 |
void cpu_mips_tlb_flush (CPUState *env, int flush_global) |
| 1536 |
{
|
| 1537 |
/* Flush qemu's TLB and discard all shadowed entries. */
|
| 1538 |
tlb_flush (env, flush_global); |
| 1539 |
env->tlb->tlb_in_use = env->tlb->nb_tlb; |
| 1540 |
} |
| 1541 |
|
| 1542 |
static void r4k_mips_tlb_flush_extra (CPUState *env, int first) |
| 1543 |
{
|
| 1544 |
/* Discard entries from env->tlb[first] onwards. */
|
| 1545 |
while (env->tlb->tlb_in_use > first) {
|
| 1546 |
r4k_invalidate_tlb(env, --env->tlb->tlb_in_use, 0);
|
| 1547 |
} |
| 1548 |
} |
| 1549 |
|
| 1550 |
static void r4k_fill_tlb (int idx) |
| 1551 |
{
|
| 1552 |
r4k_tlb_t *tlb; |
| 1553 |
|
| 1554 |
/* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
|
| 1555 |
tlb = &env->tlb->mmu.r4k.tlb[idx]; |
| 1556 |
tlb->VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
|
| 1557 |
#if defined(TARGET_MIPS64)
|
| 1558 |
tlb->VPN &= env->SEGMask; |
| 1559 |
#endif
|
| 1560 |
tlb->ASID = env->CP0_EntryHi & 0xFF;
|
| 1561 |
tlb->PageMask = env->CP0_PageMask; |
| 1562 |
tlb->G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
|
| 1563 |
tlb->V0 = (env->CP0_EntryLo0 & 2) != 0; |
| 1564 |
tlb->D0 = (env->CP0_EntryLo0 & 4) != 0; |
| 1565 |
tlb->C0 = (env->CP0_EntryLo0 >> 3) & 0x7; |
| 1566 |
tlb->PFN[0] = (env->CP0_EntryLo0 >> 6) << 12; |
| 1567 |
tlb->V1 = (env->CP0_EntryLo1 & 2) != 0; |
| 1568 |
tlb->D1 = (env->CP0_EntryLo1 & 4) != 0; |
| 1569 |
tlb->C1 = (env->CP0_EntryLo1 >> 3) & 0x7; |
| 1570 |
tlb->PFN[1] = (env->CP0_EntryLo1 >> 6) << 12; |
| 1571 |
} |
| 1572 |
|
| 1573 |
void r4k_do_tlbwi (void) |
| 1574 |
{
|
| 1575 |
int idx;
|
| 1576 |
|
| 1577 |
idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
|
| 1578 |
|
| 1579 |
/* Discard cached TLB entries. We could avoid doing this if the
|
| 1580 |
tlbwi is just upgrading access permissions on the current entry;
|
| 1581 |
that might be a further win. */
|
| 1582 |
r4k_mips_tlb_flush_extra (env, env->tlb->nb_tlb); |
| 1583 |
|
| 1584 |
r4k_invalidate_tlb(env, idx, 0);
|
| 1585 |
r4k_fill_tlb(idx); |
| 1586 |
} |
| 1587 |
|
| 1588 |
void r4k_do_tlbwr (void) |
| 1589 |
{
|
| 1590 |
int r = cpu_mips_get_random(env);
|
| 1591 |
|
| 1592 |
r4k_invalidate_tlb(env, r, 1);
|
| 1593 |
r4k_fill_tlb(r); |
| 1594 |
} |
| 1595 |
|
| 1596 |
void r4k_do_tlbp (void) |
| 1597 |
{
|
| 1598 |
r4k_tlb_t *tlb; |
| 1599 |
target_ulong mask; |
| 1600 |
target_ulong tag; |
| 1601 |
target_ulong VPN; |
| 1602 |
uint8_t ASID; |
| 1603 |
int i;
|
| 1604 |
|
| 1605 |
ASID = env->CP0_EntryHi & 0xFF;
|
| 1606 |
for (i = 0; i < env->tlb->nb_tlb; i++) { |
| 1607 |
tlb = &env->tlb->mmu.r4k.tlb[i]; |
| 1608 |
/* 1k pages are not supported. */
|
| 1609 |
mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
|
| 1610 |
tag = env->CP0_EntryHi & ~mask; |
| 1611 |
VPN = tlb->VPN & ~mask; |
| 1612 |
/* Check ASID, virtual page number & size */
|
| 1613 |
if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) { |
| 1614 |
/* TLB match */
|
| 1615 |
env->CP0_Index = i; |
| 1616 |
break;
|
| 1617 |
} |
| 1618 |
} |
| 1619 |
if (i == env->tlb->nb_tlb) {
|
| 1620 |
/* No match. Discard any shadow entries, if any of them match. */
|
| 1621 |
for (i = env->tlb->nb_tlb; i < env->tlb->tlb_in_use; i++) {
|
| 1622 |
tlb = &env->tlb->mmu.r4k.tlb[i]; |
| 1623 |
/* 1k pages are not supported. */
|
| 1624 |
mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
|
| 1625 |
tag = env->CP0_EntryHi & ~mask; |
| 1626 |
VPN = tlb->VPN & ~mask; |
| 1627 |
/* Check ASID, virtual page number & size */
|
| 1628 |
if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) { |
| 1629 |
r4k_mips_tlb_flush_extra (env, i); |
| 1630 |
break;
|
| 1631 |
} |
| 1632 |
} |
| 1633 |
|
| 1634 |
env->CP0_Index |= 0x80000000;
|
| 1635 |
} |
| 1636 |
} |
| 1637 |
|
| 1638 |
void r4k_do_tlbr (void) |
| 1639 |
{
|
| 1640 |
r4k_tlb_t *tlb; |
| 1641 |
uint8_t ASID; |
| 1642 |
int idx;
|
| 1643 |
|
| 1644 |
ASID = env->CP0_EntryHi & 0xFF;
|
| 1645 |
idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
|
| 1646 |
tlb = &env->tlb->mmu.r4k.tlb[idx]; |
| 1647 |
|
| 1648 |
/* If this will change the current ASID, flush qemu's TLB. */
|
| 1649 |
if (ASID != tlb->ASID)
|
| 1650 |
cpu_mips_tlb_flush (env, 1);
|
| 1651 |
|
| 1652 |
r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb); |
| 1653 |
|
| 1654 |
env->CP0_EntryHi = tlb->VPN | tlb->ASID; |
| 1655 |
env->CP0_PageMask = tlb->PageMask; |
| 1656 |
env->CP0_EntryLo0 = tlb->G | (tlb->V0 << 1) | (tlb->D0 << 2) | |
| 1657 |
(tlb->C0 << 3) | (tlb->PFN[0] >> 6); |
| 1658 |
env->CP0_EntryLo1 = tlb->G | (tlb->V1 << 1) | (tlb->D1 << 2) | |
| 1659 |
(tlb->C1 << 3) | (tlb->PFN[1] >> 6); |
| 1660 |
} |
| 1661 |
|
| 1662 |
/* Specials */
|
| 1663 |
target_ulong do_di (void)
|
| 1664 |
{
|
| 1665 |
target_ulong t0 = env->CP0_Status; |
| 1666 |
|
| 1667 |
env->CP0_Status = t0 & ~(1 << CP0St_IE);
|
| 1668 |
cpu_mips_update_irq(env); |
| 1669 |
|
| 1670 |
return t0;
|
| 1671 |
} |
| 1672 |
|
| 1673 |
target_ulong do_ei (void)
|
| 1674 |
{
|
| 1675 |
target_ulong t0 = env->CP0_Status; |
| 1676 |
|
| 1677 |
env->CP0_Status = t0 | (1 << CP0St_IE);
|
| 1678 |
cpu_mips_update_irq(env); |
| 1679 |
|
| 1680 |
return t0;
|
| 1681 |
} |
| 1682 |
|
| 1683 |
void debug_pre_eret (void) |
| 1684 |
{
|
| 1685 |
fprintf(logfile, "ERET: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx, |
| 1686 |
env->active_tc.PC, env->CP0_EPC); |
| 1687 |
if (env->CP0_Status & (1 << CP0St_ERL)) |
| 1688 |
fprintf(logfile, " ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
|
| 1689 |
if (env->hflags & MIPS_HFLAG_DM)
|
| 1690 |
fprintf(logfile, " DEPC " TARGET_FMT_lx, env->CP0_DEPC);
|
| 1691 |
fputs("\n", logfile);
|
| 1692 |
} |
| 1693 |
|
| 1694 |
void debug_post_eret (void) |
| 1695 |
{
|
| 1696 |
fprintf(logfile, " => PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx, |
| 1697 |
env->active_tc.PC, env->CP0_EPC); |
| 1698 |
if (env->CP0_Status & (1 << CP0St_ERL)) |
| 1699 |
fprintf(logfile, " ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
|
| 1700 |
if (env->hflags & MIPS_HFLAG_DM)
|
| 1701 |
fprintf(logfile, " DEPC " TARGET_FMT_lx, env->CP0_DEPC);
|
| 1702 |
switch (env->hflags & MIPS_HFLAG_KSU) {
|
| 1703 |
case MIPS_HFLAG_UM: fputs(", UM\n", logfile); break; |
| 1704 |
case MIPS_HFLAG_SM: fputs(", SM\n", logfile); break; |
| 1705 |
case MIPS_HFLAG_KM: fputs("\n", logfile); break; |
| 1706 |
default: cpu_abort(env, "Invalid MMU mode!\n"); break; |
| 1707 |
} |
| 1708 |
} |
| 1709 |
|
| 1710 |
void do_eret (void) |
| 1711 |
{
|
| 1712 |
if (loglevel & CPU_LOG_EXEC)
|
| 1713 |
debug_pre_eret(); |
| 1714 |
if (env->CP0_Status & (1 << CP0St_ERL)) { |
| 1715 |
env->active_tc.PC = env->CP0_ErrorEPC; |
| 1716 |
env->CP0_Status &= ~(1 << CP0St_ERL);
|
| 1717 |
} else {
|
| 1718 |
env->active_tc.PC = env->CP0_EPC; |
| 1719 |
env->CP0_Status &= ~(1 << CP0St_EXL);
|
| 1720 |
} |
| 1721 |
compute_hflags(env); |
| 1722 |
if (loglevel & CPU_LOG_EXEC)
|
| 1723 |
debug_post_eret(); |
| 1724 |
env->CP0_LLAddr = 1;
|
| 1725 |
} |
| 1726 |
|
| 1727 |
void do_deret (void) |
| 1728 |
{
|
| 1729 |
if (loglevel & CPU_LOG_EXEC)
|
| 1730 |
debug_pre_eret(); |
| 1731 |
env->active_tc.PC = env->CP0_DEPC; |
| 1732 |
env->hflags &= MIPS_HFLAG_DM; |
| 1733 |
compute_hflags(env); |
| 1734 |
if (loglevel & CPU_LOG_EXEC)
|
| 1735 |
debug_post_eret(); |
| 1736 |
env->CP0_LLAddr = 1;
|
| 1737 |
} |
| 1738 |
#endif /* !CONFIG_USER_ONLY */ |
| 1739 |
|
| 1740 |
target_ulong do_rdhwr_cpunum(void)
|
| 1741 |
{
|
| 1742 |
if ((env->hflags & MIPS_HFLAG_CP0) ||
|
| 1743 |
(env->CP0_HWREna & (1 << 0))) |
| 1744 |
return env->CP0_EBase & 0x3ff; |
| 1745 |
else
|
| 1746 |
do_raise_exception(EXCP_RI); |
| 1747 |
|
| 1748 |
return 0; |
| 1749 |
} |
| 1750 |
|
| 1751 |
target_ulong do_rdhwr_synci_step(void)
|
| 1752 |
{
|
| 1753 |
if ((env->hflags & MIPS_HFLAG_CP0) ||
|
| 1754 |
(env->CP0_HWREna & (1 << 1))) |
| 1755 |
return env->SYNCI_Step;
|
| 1756 |
else
|
| 1757 |
do_raise_exception(EXCP_RI); |
| 1758 |
|
| 1759 |
return 0; |
| 1760 |
} |
| 1761 |
|
| 1762 |
target_ulong do_rdhwr_cc(void)
|
| 1763 |
{
|
| 1764 |
if ((env->hflags & MIPS_HFLAG_CP0) ||
|
| 1765 |
(env->CP0_HWREna & (1 << 2))) |
| 1766 |
return env->CP0_Count;
|
| 1767 |
else
|
| 1768 |
do_raise_exception(EXCP_RI); |
| 1769 |
|
| 1770 |
return 0; |
| 1771 |
} |
| 1772 |
|
| 1773 |
target_ulong do_rdhwr_ccres(void)
|
| 1774 |
{
|
| 1775 |
if ((env->hflags & MIPS_HFLAG_CP0) ||
|
| 1776 |
(env->CP0_HWREna & (1 << 3))) |
| 1777 |
return env->CCRes;
|
| 1778 |
else
|
| 1779 |
do_raise_exception(EXCP_RI); |
| 1780 |
|
| 1781 |
return 0; |
| 1782 |
} |
| 1783 |
|
| 1784 |
/* Bitfield operations. */
|
| 1785 |
target_ulong do_ext(target_ulong t1, uint32_t pos, uint32_t size) |
| 1786 |
{
|
| 1787 |
return (int32_t)((t1 >> pos) & ((size < 32) ? ((1 << size) - 1) : ~0)); |
| 1788 |
} |
| 1789 |
|
| 1790 |
target_ulong do_ins(target_ulong t0, target_ulong t1, uint32_t pos, uint32_t size) |
| 1791 |
{
|
| 1792 |
target_ulong mask = ((size < 32) ? ((1 << size) - 1) : ~0) << pos; |
| 1793 |
|
| 1794 |
return (int32_t)((t0 & ~mask) | ((t1 << pos) & mask));
|
| 1795 |
} |
| 1796 |
|
| 1797 |
target_ulong do_wsbh(target_ulong t1) |
| 1798 |
{
|
| 1799 |
return (int32_t)(((t1 << 8) & ~0x00FF00FF) | ((t1 >> 8) & 0x00FF00FF)); |
| 1800 |
} |
| 1801 |
|
| 1802 |
#if defined(TARGET_MIPS64)
|
| 1803 |
target_ulong do_dext(target_ulong t1, uint32_t pos, uint32_t size) |
| 1804 |
{
|
| 1805 |
return (t1 >> pos) & ((size < 64) ? ((1ULL << size) - 1) : ~0ULL); |
| 1806 |
} |
| 1807 |
|
| 1808 |
target_ulong do_dins(target_ulong t0, target_ulong t1, uint32_t pos, uint32_t size) |
| 1809 |
{
|
| 1810 |
target_ulong mask = ((size < 64) ? ((1ULL << size) - 1) : ~0ULL) << pos; |
| 1811 |
|
| 1812 |
return (t0 & ~mask) | ((t1 << pos) & mask);
|
| 1813 |
} |
| 1814 |
|
| 1815 |
target_ulong do_dsbh(target_ulong t1) |
| 1816 |
{
|
| 1817 |
return ((t1 << 8) & ~0x00FF00FF00FF00FFULL) | ((t1 >> 8) & 0x00FF00FF00FF00FFULL); |
| 1818 |
} |
| 1819 |
|
| 1820 |
target_ulong do_dshd(target_ulong t1) |
| 1821 |
{
|
| 1822 |
t1 = ((t1 << 16) & ~0x0000FFFF0000FFFFULL) | ((t1 >> 16) & 0x0000FFFF0000FFFFULL); |
| 1823 |
return (t1 << 32) | (t1 >> 32); |
| 1824 |
} |
| 1825 |
#endif
|
| 1826 |
|
| 1827 |
void do_pmon (int function) |
| 1828 |
{
|
| 1829 |
function /= 2;
|
| 1830 |
switch (function) {
|
| 1831 |
case 2: /* TODO: char inbyte(int waitflag); */ |
| 1832 |
if (env->active_tc.gpr[4] == 0) |
| 1833 |
env->active_tc.gpr[2] = -1; |
| 1834 |
/* Fall through */
|
| 1835 |
case 11: /* TODO: char inbyte (void); */ |
| 1836 |
env->active_tc.gpr[2] = -1; |
| 1837 |
break;
|
| 1838 |
case 3: |
| 1839 |
case 12: |
| 1840 |
printf("%c", (char)(env->active_tc.gpr[4] & 0xFF)); |
| 1841 |
break;
|
| 1842 |
case 17: |
| 1843 |
break;
|
| 1844 |
case 158: |
| 1845 |
{
|
| 1846 |
unsigned char *fmt = (void *)(unsigned long)env->active_tc.gpr[4]; |
| 1847 |
printf("%s", fmt);
|
| 1848 |
} |
| 1849 |
break;
|
| 1850 |
} |
| 1851 |
} |
| 1852 |
|
| 1853 |
void do_wait (void) |
| 1854 |
{
|
| 1855 |
env->halted = 1;
|
| 1856 |
do_raise_exception(EXCP_HLT); |
| 1857 |
} |
| 1858 |
|
| 1859 |
#if !defined(CONFIG_USER_ONLY)
|
| 1860 |
|
| 1861 |
static void do_unaligned_access (target_ulong addr, int is_write, int is_user, void *retaddr); |
| 1862 |
|
| 1863 |
#define MMUSUFFIX _mmu
|
| 1864 |
#define ALIGNED_ONLY
|
| 1865 |
|
| 1866 |
#define SHIFT 0 |
| 1867 |
#include "softmmu_template.h" |
| 1868 |
|
| 1869 |
#define SHIFT 1 |
| 1870 |
#include "softmmu_template.h" |
| 1871 |
|
| 1872 |
#define SHIFT 2 |
| 1873 |
#include "softmmu_template.h" |
| 1874 |
|
| 1875 |
#define SHIFT 3 |
| 1876 |
#include "softmmu_template.h" |
| 1877 |
|
| 1878 |
static void do_unaligned_access (target_ulong addr, int is_write, int is_user, void *retaddr) |
| 1879 |
{
|
| 1880 |
env->CP0_BadVAddr = addr; |
| 1881 |
do_restore_state (retaddr); |
| 1882 |
do_raise_exception ((is_write == 1) ? EXCP_AdES : EXCP_AdEL);
|
| 1883 |
} |
| 1884 |
|
| 1885 |
void tlb_fill (target_ulong addr, int is_write, int mmu_idx, void *retaddr) |
| 1886 |
{
|
| 1887 |
TranslationBlock *tb; |
| 1888 |
CPUState *saved_env; |
| 1889 |
unsigned long pc; |
| 1890 |
int ret;
|
| 1891 |
|
| 1892 |
/* XXX: hack to restore env in all cases, even if not called from
|
| 1893 |
generated code */
|
| 1894 |
saved_env = env; |
| 1895 |
env = cpu_single_env; |
| 1896 |
ret = cpu_mips_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
|
| 1897 |
if (ret) {
|
| 1898 |
if (retaddr) {
|
| 1899 |
/* now we have a real cpu fault */
|
| 1900 |
pc = (unsigned long)retaddr; |
| 1901 |
tb = tb_find_pc(pc); |
| 1902 |
if (tb) {
|
| 1903 |
/* the PC is inside the translated code. It means that we have
|
| 1904 |
a virtual CPU fault */
|
| 1905 |
cpu_restore_state(tb, env, pc, NULL);
|
| 1906 |
} |
| 1907 |
} |
| 1908 |
do_raise_exception_err(env->exception_index, env->error_code); |
| 1909 |
} |
| 1910 |
env = saved_env; |
| 1911 |
} |
| 1912 |
|
| 1913 |
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
| 1914 |
int unused, int size) |
| 1915 |
{
|
| 1916 |
if (is_exec)
|
| 1917 |
do_raise_exception(EXCP_IBE); |
| 1918 |
else
|
| 1919 |
do_raise_exception(EXCP_DBE); |
| 1920 |
} |
| 1921 |
#endif /* !CONFIG_USER_ONLY */ |
| 1922 |
|
| 1923 |
/* Complex FPU operations which may need stack space. */
|
| 1924 |
|
| 1925 |
#define FLOAT_ONE32 make_float32(0x3f8 << 20) |
| 1926 |
#define FLOAT_ONE64 make_float64(0x3ffULL << 52) |
| 1927 |
#define FLOAT_TWO32 make_float32(1 << 30) |
| 1928 |
#define FLOAT_TWO64 make_float64(1ULL << 62) |
| 1929 |
#define FLOAT_QNAN32 0x7fbfffff |
| 1930 |
#define FLOAT_QNAN64 0x7ff7ffffffffffffULL |
| 1931 |
#define FLOAT_SNAN32 0x7fffffff |
| 1932 |
#define FLOAT_SNAN64 0x7fffffffffffffffULL |
| 1933 |
|
| 1934 |
/* convert MIPS rounding mode in FCR31 to IEEE library */
|
| 1935 |
unsigned int ieee_rm[] = { |
| 1936 |
float_round_nearest_even, |
| 1937 |
float_round_to_zero, |
| 1938 |
float_round_up, |
| 1939 |
float_round_down |
| 1940 |
}; |
| 1941 |
|
| 1942 |
#define RESTORE_ROUNDING_MODE \
|
| 1943 |
set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31 & 3], &env->active_fpu.fp_status)
|
| 1944 |
|
| 1945 |
target_ulong do_cfc1 (uint32_t reg) |
| 1946 |
{
|
| 1947 |
target_ulong t0; |
| 1948 |
|
| 1949 |
switch (reg) {
|
| 1950 |
case 0: |
| 1951 |
t0 = (int32_t)env->active_fpu.fcr0; |
| 1952 |
break;
|
| 1953 |
case 25: |
| 1954 |
t0 = ((env->active_fpu.fcr31 >> 24) & 0xfe) | ((env->active_fpu.fcr31 >> 23) & 0x1); |
| 1955 |
break;
|
| 1956 |
case 26: |
| 1957 |
t0 = env->active_fpu.fcr31 & 0x0003f07c;
|
| 1958 |
break;
|
| 1959 |
case 28: |
| 1960 |
t0 = (env->active_fpu.fcr31 & 0x00000f83) | ((env->active_fpu.fcr31 >> 22) & 0x4); |
| 1961 |
break;
|
| 1962 |
default:
|
| 1963 |
t0 = (int32_t)env->active_fpu.fcr31; |
| 1964 |
break;
|
| 1965 |
} |
| 1966 |
|
| 1967 |
return t0;
|
| 1968 |
} |
| 1969 |
|
| 1970 |
void do_ctc1 (target_ulong t0, uint32_t reg)
|
| 1971 |
{
|
| 1972 |
switch(reg) {
|
| 1973 |
case 25: |
| 1974 |
if (t0 & 0xffffff00) |
| 1975 |
return;
|
| 1976 |
env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0x017fffff) | ((t0 & 0xfe) << 24) | |
| 1977 |
((t0 & 0x1) << 23); |
| 1978 |
break;
|
| 1979 |
case 26: |
| 1980 |
if (t0 & 0x007c0000) |
| 1981 |
return;
|
| 1982 |
env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfffc0f83) | (t0 & 0x0003f07c); |
| 1983 |
break;
|
| 1984 |
case 28: |
| 1985 |
if (t0 & 0x007c0000) |
| 1986 |
return;
|
| 1987 |
env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfefff07c) | (t0 & 0x00000f83) | |
| 1988 |
((t0 & 0x4) << 22); |
| 1989 |
break;
|
| 1990 |
case 31: |
| 1991 |
if (t0 & 0x007c0000) |
| 1992 |
return;
|
| 1993 |
env->active_fpu.fcr31 = t0; |
| 1994 |
break;
|
| 1995 |
default:
|
| 1996 |
return;
|
| 1997 |
} |
| 1998 |
/* set rounding mode */
|
| 1999 |
RESTORE_ROUNDING_MODE; |
| 2000 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2001 |
if ((GET_FP_ENABLE(env->active_fpu.fcr31) | 0x20) & GET_FP_CAUSE(env->active_fpu.fcr31)) |
| 2002 |
do_raise_exception(EXCP_FPE); |
| 2003 |
} |
| 2004 |
|
| 2005 |
static inline char ieee_ex_to_mips(char xcpt) |
| 2006 |
{
|
| 2007 |
return (xcpt & float_flag_inexact) >> 5 | |
| 2008 |
(xcpt & float_flag_underflow) >> 3 |
|
| 2009 |
(xcpt & float_flag_overflow) >> 1 |
|
| 2010 |
(xcpt & float_flag_divbyzero) << 1 |
|
| 2011 |
(xcpt & float_flag_invalid) << 4;
|
| 2012 |
} |
| 2013 |
|
| 2014 |
static inline char mips_ex_to_ieee(char xcpt) |
| 2015 |
{
|
| 2016 |
return (xcpt & FP_INEXACT) << 5 | |
| 2017 |
(xcpt & FP_UNDERFLOW) << 3 |
|
| 2018 |
(xcpt & FP_OVERFLOW) << 1 |
|
| 2019 |
(xcpt & FP_DIV0) >> 1 |
|
| 2020 |
(xcpt & FP_INVALID) >> 4;
|
| 2021 |
} |
| 2022 |
|
| 2023 |
static inline void update_fcr31(void) |
| 2024 |
{
|
| 2025 |
int tmp = ieee_ex_to_mips(get_float_exception_flags(&env->active_fpu.fp_status));
|
| 2026 |
|
| 2027 |
SET_FP_CAUSE(env->active_fpu.fcr31, tmp); |
| 2028 |
if (GET_FP_ENABLE(env->active_fpu.fcr31) & tmp)
|
| 2029 |
do_raise_exception(EXCP_FPE); |
| 2030 |
else
|
| 2031 |
UPDATE_FP_FLAGS(env->active_fpu.fcr31, tmp); |
| 2032 |
} |
| 2033 |
|
| 2034 |
/* Float support.
|
| 2035 |
Single precition routines have a "s" suffix, double precision a
|
| 2036 |
"d" suffix, 32bit integer "w", 64bit integer "l", paired single "ps",
|
| 2037 |
paired single lower "pl", paired single upper "pu". */
|
| 2038 |
|
| 2039 |
/* unary operations, modifying fp status */
|
| 2040 |
uint64_t do_float_sqrt_d(uint64_t fdt0) |
| 2041 |
{
|
| 2042 |
return float64_sqrt(fdt0, &env->active_fpu.fp_status);
|
| 2043 |
} |
| 2044 |
|
| 2045 |
uint32_t do_float_sqrt_s(uint32_t fst0) |
| 2046 |
{
|
| 2047 |
return float32_sqrt(fst0, &env->active_fpu.fp_status);
|
| 2048 |
} |
| 2049 |
|
| 2050 |
uint64_t do_float_cvtd_s(uint32_t fst0) |
| 2051 |
{
|
| 2052 |
uint64_t fdt2; |
| 2053 |
|
| 2054 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2055 |
fdt2 = float32_to_float64(fst0, &env->active_fpu.fp_status); |
| 2056 |
update_fcr31(); |
| 2057 |
return fdt2;
|
| 2058 |
} |
| 2059 |
|
| 2060 |
uint64_t do_float_cvtd_w(uint32_t wt0) |
| 2061 |
{
|
| 2062 |
uint64_t fdt2; |
| 2063 |
|
| 2064 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2065 |
fdt2 = int32_to_float64(wt0, &env->active_fpu.fp_status); |
| 2066 |
update_fcr31(); |
| 2067 |
return fdt2;
|
| 2068 |
} |
| 2069 |
|
| 2070 |
uint64_t do_float_cvtd_l(uint64_t dt0) |
| 2071 |
{
|
| 2072 |
uint64_t fdt2; |
| 2073 |
|
| 2074 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2075 |
fdt2 = int64_to_float64(dt0, &env->active_fpu.fp_status); |
| 2076 |
update_fcr31(); |
| 2077 |
return fdt2;
|
| 2078 |
} |
| 2079 |
|
| 2080 |
uint64_t do_float_cvtl_d(uint64_t fdt0) |
| 2081 |
{
|
| 2082 |
uint64_t dt2; |
| 2083 |
|
| 2084 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2085 |
dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status); |
| 2086 |
update_fcr31(); |
| 2087 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2088 |
dt2 = FLOAT_SNAN64; |
| 2089 |
return dt2;
|
| 2090 |
} |
| 2091 |
|
| 2092 |
uint64_t do_float_cvtl_s(uint32_t fst0) |
| 2093 |
{
|
| 2094 |
uint64_t dt2; |
| 2095 |
|
| 2096 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2097 |
dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status); |
| 2098 |
update_fcr31(); |
| 2099 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2100 |
dt2 = FLOAT_SNAN64; |
| 2101 |
return dt2;
|
| 2102 |
} |
| 2103 |
|
| 2104 |
uint64_t do_float_cvtps_pw(uint64_t dt0) |
| 2105 |
{
|
| 2106 |
uint32_t fst2; |
| 2107 |
uint32_t fsth2; |
| 2108 |
|
| 2109 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2110 |
fst2 = int32_to_float32(dt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
|
| 2111 |
fsth2 = int32_to_float32(dt0 >> 32, &env->active_fpu.fp_status);
|
| 2112 |
update_fcr31(); |
| 2113 |
return ((uint64_t)fsth2 << 32) | fst2; |
| 2114 |
} |
| 2115 |
|
| 2116 |
uint64_t do_float_cvtpw_ps(uint64_t fdt0) |
| 2117 |
{
|
| 2118 |
uint32_t wt2; |
| 2119 |
uint32_t wth2; |
| 2120 |
|
| 2121 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2122 |
wt2 = float32_to_int32(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
|
| 2123 |
wth2 = float32_to_int32(fdt0 >> 32, &env->active_fpu.fp_status);
|
| 2124 |
update_fcr31(); |
| 2125 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID)) {
|
| 2126 |
wt2 = FLOAT_SNAN32; |
| 2127 |
wth2 = FLOAT_SNAN32; |
| 2128 |
} |
| 2129 |
return ((uint64_t)wth2 << 32) | wt2; |
| 2130 |
} |
| 2131 |
|
| 2132 |
uint32_t do_float_cvts_d(uint64_t fdt0) |
| 2133 |
{
|
| 2134 |
uint32_t fst2; |
| 2135 |
|
| 2136 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2137 |
fst2 = float64_to_float32(fdt0, &env->active_fpu.fp_status); |
| 2138 |
update_fcr31(); |
| 2139 |
return fst2;
|
| 2140 |
} |
| 2141 |
|
| 2142 |
uint32_t do_float_cvts_w(uint32_t wt0) |
| 2143 |
{
|
| 2144 |
uint32_t fst2; |
| 2145 |
|
| 2146 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2147 |
fst2 = int32_to_float32(wt0, &env->active_fpu.fp_status); |
| 2148 |
update_fcr31(); |
| 2149 |
return fst2;
|
| 2150 |
} |
| 2151 |
|
| 2152 |
uint32_t do_float_cvts_l(uint64_t dt0) |
| 2153 |
{
|
| 2154 |
uint32_t fst2; |
| 2155 |
|
| 2156 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2157 |
fst2 = int64_to_float32(dt0, &env->active_fpu.fp_status); |
| 2158 |
update_fcr31(); |
| 2159 |
return fst2;
|
| 2160 |
} |
| 2161 |
|
| 2162 |
uint32_t do_float_cvts_pl(uint32_t wt0) |
| 2163 |
{
|
| 2164 |
uint32_t wt2; |
| 2165 |
|
| 2166 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2167 |
wt2 = wt0; |
| 2168 |
update_fcr31(); |
| 2169 |
return wt2;
|
| 2170 |
} |
| 2171 |
|
| 2172 |
uint32_t do_float_cvts_pu(uint32_t wth0) |
| 2173 |
{
|
| 2174 |
uint32_t wt2; |
| 2175 |
|
| 2176 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2177 |
wt2 = wth0; |
| 2178 |
update_fcr31(); |
| 2179 |
return wt2;
|
| 2180 |
} |
| 2181 |
|
| 2182 |
uint32_t do_float_cvtw_s(uint32_t fst0) |
| 2183 |
{
|
| 2184 |
uint32_t wt2; |
| 2185 |
|
| 2186 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2187 |
wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status); |
| 2188 |
update_fcr31(); |
| 2189 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2190 |
wt2 = FLOAT_SNAN32; |
| 2191 |
return wt2;
|
| 2192 |
} |
| 2193 |
|
| 2194 |
uint32_t do_float_cvtw_d(uint64_t fdt0) |
| 2195 |
{
|
| 2196 |
uint32_t wt2; |
| 2197 |
|
| 2198 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2199 |
wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status); |
| 2200 |
update_fcr31(); |
| 2201 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2202 |
wt2 = FLOAT_SNAN32; |
| 2203 |
return wt2;
|
| 2204 |
} |
| 2205 |
|
| 2206 |
uint64_t do_float_roundl_d(uint64_t fdt0) |
| 2207 |
{
|
| 2208 |
uint64_t dt2; |
| 2209 |
|
| 2210 |
set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status); |
| 2211 |
dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status); |
| 2212 |
RESTORE_ROUNDING_MODE; |
| 2213 |
update_fcr31(); |
| 2214 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2215 |
dt2 = FLOAT_SNAN64; |
| 2216 |
return dt2;
|
| 2217 |
} |
| 2218 |
|
| 2219 |
uint64_t do_float_roundl_s(uint32_t fst0) |
| 2220 |
{
|
| 2221 |
uint64_t dt2; |
| 2222 |
|
| 2223 |
set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status); |
| 2224 |
dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status); |
| 2225 |
RESTORE_ROUNDING_MODE; |
| 2226 |
update_fcr31(); |
| 2227 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2228 |
dt2 = FLOAT_SNAN64; |
| 2229 |
return dt2;
|
| 2230 |
} |
| 2231 |
|
| 2232 |
uint32_t do_float_roundw_d(uint64_t fdt0) |
| 2233 |
{
|
| 2234 |
uint32_t wt2; |
| 2235 |
|
| 2236 |
set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status); |
| 2237 |
wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status); |
| 2238 |
RESTORE_ROUNDING_MODE; |
| 2239 |
update_fcr31(); |
| 2240 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2241 |
wt2 = FLOAT_SNAN32; |
| 2242 |
return wt2;
|
| 2243 |
} |
| 2244 |
|
| 2245 |
uint32_t do_float_roundw_s(uint32_t fst0) |
| 2246 |
{
|
| 2247 |
uint32_t wt2; |
| 2248 |
|
| 2249 |
set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status); |
| 2250 |
wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status); |
| 2251 |
RESTORE_ROUNDING_MODE; |
| 2252 |
update_fcr31(); |
| 2253 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2254 |
wt2 = FLOAT_SNAN32; |
| 2255 |
return wt2;
|
| 2256 |
} |
| 2257 |
|
| 2258 |
uint64_t do_float_truncl_d(uint64_t fdt0) |
| 2259 |
{
|
| 2260 |
uint64_t dt2; |
| 2261 |
|
| 2262 |
dt2 = float64_to_int64_round_to_zero(fdt0, &env->active_fpu.fp_status); |
| 2263 |
update_fcr31(); |
| 2264 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2265 |
dt2 = FLOAT_SNAN64; |
| 2266 |
return dt2;
|
| 2267 |
} |
| 2268 |
|
| 2269 |
uint64_t do_float_truncl_s(uint32_t fst0) |
| 2270 |
{
|
| 2271 |
uint64_t dt2; |
| 2272 |
|
| 2273 |
dt2 = float32_to_int64_round_to_zero(fst0, &env->active_fpu.fp_status); |
| 2274 |
update_fcr31(); |
| 2275 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2276 |
dt2 = FLOAT_SNAN64; |
| 2277 |
return dt2;
|
| 2278 |
} |
| 2279 |
|
| 2280 |
uint32_t do_float_truncw_d(uint64_t fdt0) |
| 2281 |
{
|
| 2282 |
uint32_t wt2; |
| 2283 |
|
| 2284 |
wt2 = float64_to_int32_round_to_zero(fdt0, &env->active_fpu.fp_status); |
| 2285 |
update_fcr31(); |
| 2286 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2287 |
wt2 = FLOAT_SNAN32; |
| 2288 |
return wt2;
|
| 2289 |
} |
| 2290 |
|
| 2291 |
uint32_t do_float_truncw_s(uint32_t fst0) |
| 2292 |
{
|
| 2293 |
uint32_t wt2; |
| 2294 |
|
| 2295 |
wt2 = float32_to_int32_round_to_zero(fst0, &env->active_fpu.fp_status); |
| 2296 |
update_fcr31(); |
| 2297 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2298 |
wt2 = FLOAT_SNAN32; |
| 2299 |
return wt2;
|
| 2300 |
} |
| 2301 |
|
| 2302 |
uint64_t do_float_ceill_d(uint64_t fdt0) |
| 2303 |
{
|
| 2304 |
uint64_t dt2; |
| 2305 |
|
| 2306 |
set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status); |
| 2307 |
dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status); |
| 2308 |
RESTORE_ROUNDING_MODE; |
| 2309 |
update_fcr31(); |
| 2310 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2311 |
dt2 = FLOAT_SNAN64; |
| 2312 |
return dt2;
|
| 2313 |
} |
| 2314 |
|
| 2315 |
uint64_t do_float_ceill_s(uint32_t fst0) |
| 2316 |
{
|
| 2317 |
uint64_t dt2; |
| 2318 |
|
| 2319 |
set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status); |
| 2320 |
dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status); |
| 2321 |
RESTORE_ROUNDING_MODE; |
| 2322 |
update_fcr31(); |
| 2323 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2324 |
dt2 = FLOAT_SNAN64; |
| 2325 |
return dt2;
|
| 2326 |
} |
| 2327 |
|
| 2328 |
uint32_t do_float_ceilw_d(uint64_t fdt0) |
| 2329 |
{
|
| 2330 |
uint32_t wt2; |
| 2331 |
|
| 2332 |
set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status); |
| 2333 |
wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status); |
| 2334 |
RESTORE_ROUNDING_MODE; |
| 2335 |
update_fcr31(); |
| 2336 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2337 |
wt2 = FLOAT_SNAN32; |
| 2338 |
return wt2;
|
| 2339 |
} |
| 2340 |
|
| 2341 |
uint32_t do_float_ceilw_s(uint32_t fst0) |
| 2342 |
{
|
| 2343 |
uint32_t wt2; |
| 2344 |
|
| 2345 |
set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status); |
| 2346 |
wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status); |
| 2347 |
RESTORE_ROUNDING_MODE; |
| 2348 |
update_fcr31(); |
| 2349 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2350 |
wt2 = FLOAT_SNAN32; |
| 2351 |
return wt2;
|
| 2352 |
} |
| 2353 |
|
| 2354 |
uint64_t do_float_floorl_d(uint64_t fdt0) |
| 2355 |
{
|
| 2356 |
uint64_t dt2; |
| 2357 |
|
| 2358 |
set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status); |
| 2359 |
dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status); |
| 2360 |
RESTORE_ROUNDING_MODE; |
| 2361 |
update_fcr31(); |
| 2362 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2363 |
dt2 = FLOAT_SNAN64; |
| 2364 |
return dt2;
|
| 2365 |
} |
| 2366 |
|
| 2367 |
uint64_t do_float_floorl_s(uint32_t fst0) |
| 2368 |
{
|
| 2369 |
uint64_t dt2; |
| 2370 |
|
| 2371 |
set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status); |
| 2372 |
dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status); |
| 2373 |
RESTORE_ROUNDING_MODE; |
| 2374 |
update_fcr31(); |
| 2375 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2376 |
dt2 = FLOAT_SNAN64; |
| 2377 |
return dt2;
|
| 2378 |
} |
| 2379 |
|
| 2380 |
uint32_t do_float_floorw_d(uint64_t fdt0) |
| 2381 |
{
|
| 2382 |
uint32_t wt2; |
| 2383 |
|
| 2384 |
set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status); |
| 2385 |
wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status); |
| 2386 |
RESTORE_ROUNDING_MODE; |
| 2387 |
update_fcr31(); |
| 2388 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2389 |
wt2 = FLOAT_SNAN32; |
| 2390 |
return wt2;
|
| 2391 |
} |
| 2392 |
|
| 2393 |
uint32_t do_float_floorw_s(uint32_t fst0) |
| 2394 |
{
|
| 2395 |
uint32_t wt2; |
| 2396 |
|
| 2397 |
set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status); |
| 2398 |
wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status); |
| 2399 |
RESTORE_ROUNDING_MODE; |
| 2400 |
update_fcr31(); |
| 2401 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
| 2402 |
wt2 = FLOAT_SNAN32; |
| 2403 |
return wt2;
|
| 2404 |
} |
| 2405 |
|
| 2406 |
/* unary operations, not modifying fp status */
|
| 2407 |
#define FLOAT_UNOP(name) \
|
| 2408 |
uint64_t do_float_ ## name ## _d(uint64_t fdt0) \ |
| 2409 |
{ \
|
| 2410 |
return float64_ ## name(fdt0); \ |
| 2411 |
} \ |
| 2412 |
uint32_t do_float_ ## name ## _s(uint32_t fst0) \ |
| 2413 |
{ \
|
| 2414 |
return float32_ ## name(fst0); \ |
| 2415 |
} \ |
| 2416 |
uint64_t do_float_ ## name ## _ps(uint64_t fdt0) \ |
| 2417 |
{ \
|
| 2418 |
uint32_t wt0; \ |
| 2419 |
uint32_t wth0; \ |
| 2420 |
\ |
| 2421 |
wt0 = float32_ ## name(fdt0 & 0XFFFFFFFF); \ |
| 2422 |
wth0 = float32_ ## name(fdt0 >> 32); \ |
| 2423 |
return ((uint64_t)wth0 << 32) | wt0; \ |
| 2424 |
} |
| 2425 |
FLOAT_UNOP(abs) |
| 2426 |
FLOAT_UNOP(chs) |
| 2427 |
#undef FLOAT_UNOP
|
| 2428 |
|
| 2429 |
/* MIPS specific unary operations */
|
| 2430 |
uint64_t do_float_recip_d(uint64_t fdt0) |
| 2431 |
{
|
| 2432 |
uint64_t fdt2; |
| 2433 |
|
| 2434 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2435 |
fdt2 = float64_div(FLOAT_ONE64, fdt0, &env->active_fpu.fp_status); |
| 2436 |
update_fcr31(); |
| 2437 |
return fdt2;
|
| 2438 |
} |
| 2439 |
|
| 2440 |
uint32_t do_float_recip_s(uint32_t fst0) |
| 2441 |
{
|
| 2442 |
uint32_t fst2; |
| 2443 |
|
| 2444 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2445 |
fst2 = float32_div(FLOAT_ONE32, fst0, &env->active_fpu.fp_status); |
| 2446 |
update_fcr31(); |
| 2447 |
return fst2;
|
| 2448 |
} |
| 2449 |
|
| 2450 |
uint64_t do_float_rsqrt_d(uint64_t fdt0) |
| 2451 |
{
|
| 2452 |
uint64_t fdt2; |
| 2453 |
|
| 2454 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2455 |
fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status); |
| 2456 |
fdt2 = float64_div(FLOAT_ONE64, fdt2, &env->active_fpu.fp_status); |
| 2457 |
update_fcr31(); |
| 2458 |
return fdt2;
|
| 2459 |
} |
| 2460 |
|
| 2461 |
uint32_t do_float_rsqrt_s(uint32_t fst0) |
| 2462 |
{
|
| 2463 |
uint32_t fst2; |
| 2464 |
|
| 2465 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2466 |
fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status); |
| 2467 |
fst2 = float32_div(FLOAT_ONE32, fst2, &env->active_fpu.fp_status); |
| 2468 |
update_fcr31(); |
| 2469 |
return fst2;
|
| 2470 |
} |
| 2471 |
|
| 2472 |
uint64_t do_float_recip1_d(uint64_t fdt0) |
| 2473 |
{
|
| 2474 |
uint64_t fdt2; |
| 2475 |
|
| 2476 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2477 |
fdt2 = float64_div(FLOAT_ONE64, fdt0, &env->active_fpu.fp_status); |
| 2478 |
update_fcr31(); |
| 2479 |
return fdt2;
|
| 2480 |
} |
| 2481 |
|
| 2482 |
uint32_t do_float_recip1_s(uint32_t fst0) |
| 2483 |
{
|
| 2484 |
uint32_t fst2; |
| 2485 |
|
| 2486 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2487 |
fst2 = float32_div(FLOAT_ONE32, fst0, &env->active_fpu.fp_status); |
| 2488 |
update_fcr31(); |
| 2489 |
return fst2;
|
| 2490 |
} |
| 2491 |
|
| 2492 |
uint64_t do_float_recip1_ps(uint64_t fdt0) |
| 2493 |
{
|
| 2494 |
uint32_t fst2; |
| 2495 |
uint32_t fsth2; |
| 2496 |
|
| 2497 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2498 |
fst2 = float32_div(FLOAT_ONE32, fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
|
| 2499 |
fsth2 = float32_div(FLOAT_ONE32, fdt0 >> 32, &env->active_fpu.fp_status);
|
| 2500 |
update_fcr31(); |
| 2501 |
return ((uint64_t)fsth2 << 32) | fst2; |
| 2502 |
} |
| 2503 |
|
| 2504 |
uint64_t do_float_rsqrt1_d(uint64_t fdt0) |
| 2505 |
{
|
| 2506 |
uint64_t fdt2; |
| 2507 |
|
| 2508 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2509 |
fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status); |
| 2510 |
fdt2 = float64_div(FLOAT_ONE64, fdt2, &env->active_fpu.fp_status); |
| 2511 |
update_fcr31(); |
| 2512 |
return fdt2;
|
| 2513 |
} |
| 2514 |
|
| 2515 |
uint32_t do_float_rsqrt1_s(uint32_t fst0) |
| 2516 |
{
|
| 2517 |
uint32_t fst2; |
| 2518 |
|
| 2519 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2520 |
fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status); |
| 2521 |
fst2 = float32_div(FLOAT_ONE32, fst2, &env->active_fpu.fp_status); |
| 2522 |
update_fcr31(); |
| 2523 |
return fst2;
|
| 2524 |
} |
| 2525 |
|
| 2526 |
uint64_t do_float_rsqrt1_ps(uint64_t fdt0) |
| 2527 |
{
|
| 2528 |
uint32_t fst2; |
| 2529 |
uint32_t fsth2; |
| 2530 |
|
| 2531 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2532 |
fst2 = float32_sqrt(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
|
| 2533 |
fsth2 = float32_sqrt(fdt0 >> 32, &env->active_fpu.fp_status);
|
| 2534 |
fst2 = float32_div(FLOAT_ONE32, fst2, &env->active_fpu.fp_status); |
| 2535 |
fsth2 = float32_div(FLOAT_ONE32, fsth2, &env->active_fpu.fp_status); |
| 2536 |
update_fcr31(); |
| 2537 |
return ((uint64_t)fsth2 << 32) | fst2; |
| 2538 |
} |
| 2539 |
|
| 2540 |
#define FLOAT_OP(name, p) void do_float_##name##_##p(void) |
| 2541 |
|
| 2542 |
/* binary operations */
|
| 2543 |
#define FLOAT_BINOP(name) \
|
| 2544 |
uint64_t do_float_ ## name ## _d(uint64_t fdt0, uint64_t fdt1) \ |
| 2545 |
{ \
|
| 2546 |
uint64_t dt2; \ |
| 2547 |
\ |
| 2548 |
set_float_exception_flags(0, &env->active_fpu.fp_status); \
|
| 2549 |
dt2 = float64_ ## name (fdt0, fdt1, &env->active_fpu.fp_status); \ |
| 2550 |
update_fcr31(); \ |
| 2551 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & FP_INVALID) \
|
| 2552 |
dt2 = FLOAT_QNAN64; \ |
| 2553 |
return dt2; \
|
| 2554 |
} \ |
| 2555 |
\ |
| 2556 |
uint32_t do_float_ ## name ## _s(uint32_t fst0, uint32_t fst1) \ |
| 2557 |
{ \
|
| 2558 |
uint32_t wt2; \ |
| 2559 |
\ |
| 2560 |
set_float_exception_flags(0, &env->active_fpu.fp_status); \
|
| 2561 |
wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \ |
| 2562 |
update_fcr31(); \ |
| 2563 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & FP_INVALID) \
|
| 2564 |
wt2 = FLOAT_QNAN32; \ |
| 2565 |
return wt2; \
|
| 2566 |
} \ |
| 2567 |
\ |
| 2568 |
uint64_t do_float_ ## name ## _ps(uint64_t fdt0, uint64_t fdt1) \ |
| 2569 |
{ \
|
| 2570 |
uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
|
| 2571 |
uint32_t fsth0 = fdt0 >> 32; \
|
| 2572 |
uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
|
| 2573 |
uint32_t fsth1 = fdt1 >> 32; \
|
| 2574 |
uint32_t wt2; \ |
| 2575 |
uint32_t wth2; \ |
| 2576 |
\ |
| 2577 |
set_float_exception_flags(0, &env->active_fpu.fp_status); \
|
| 2578 |
wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \ |
| 2579 |
wth2 = float32_ ## name (fsth0, fsth1, &env->active_fpu.fp_status); \ |
| 2580 |
update_fcr31(); \ |
| 2581 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & FP_INVALID) { \
|
| 2582 |
wt2 = FLOAT_QNAN32; \ |
| 2583 |
wth2 = FLOAT_QNAN32; \ |
| 2584 |
} \ |
| 2585 |
return ((uint64_t)wth2 << 32) | wt2; \ |
| 2586 |
} |
| 2587 |
|
| 2588 |
FLOAT_BINOP(add) |
| 2589 |
FLOAT_BINOP(sub) |
| 2590 |
FLOAT_BINOP(mul) |
| 2591 |
FLOAT_BINOP(div) |
| 2592 |
#undef FLOAT_BINOP
|
| 2593 |
|
| 2594 |
/* ternary operations */
|
| 2595 |
#define FLOAT_TERNOP(name1, name2) \
|
| 2596 |
uint64_t do_float_ ## name1 ## name2 ## _d(uint64_t fdt0, uint64_t fdt1, \ |
| 2597 |
uint64_t fdt2) \ |
| 2598 |
{ \
|
| 2599 |
fdt0 = float64_ ## name1 (fdt0, fdt1, &env->active_fpu.fp_status); \ |
| 2600 |
return float64_ ## name2 (fdt0, fdt2, &env->active_fpu.fp_status); \ |
| 2601 |
} \ |
| 2602 |
\ |
| 2603 |
uint32_t do_float_ ## name1 ## name2 ## _s(uint32_t fst0, uint32_t fst1, \ |
| 2604 |
uint32_t fst2) \ |
| 2605 |
{ \
|
| 2606 |
fst0 = float32_ ## name1 (fst0, fst1, &env->active_fpu.fp_status); \ |
| 2607 |
return float32_ ## name2 (fst0, fst2, &env->active_fpu.fp_status); \ |
| 2608 |
} \ |
| 2609 |
\ |
| 2610 |
uint64_t do_float_ ## name1 ## name2 ## _ps(uint64_t fdt0, uint64_t fdt1, \ |
| 2611 |
uint64_t fdt2) \ |
| 2612 |
{ \
|
| 2613 |
uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
|
| 2614 |
uint32_t fsth0 = fdt0 >> 32; \
|
| 2615 |
uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
|
| 2616 |
uint32_t fsth1 = fdt1 >> 32; \
|
| 2617 |
uint32_t fst2 = fdt2 & 0XFFFFFFFF; \
|
| 2618 |
uint32_t fsth2 = fdt2 >> 32; \
|
| 2619 |
\ |
| 2620 |
fst0 = float32_ ## name1 (fst0, fst1, &env->active_fpu.fp_status); \ |
| 2621 |
fsth0 = float32_ ## name1 (fsth0, fsth1, &env->active_fpu.fp_status); \ |
| 2622 |
fst2 = float32_ ## name2 (fst0, fst2, &env->active_fpu.fp_status); \ |
| 2623 |
fsth2 = float32_ ## name2 (fsth0, fsth2, &env->active_fpu.fp_status); \ |
| 2624 |
return ((uint64_t)fsth2 << 32) | fst2; \ |
| 2625 |
} |
| 2626 |
|
| 2627 |
FLOAT_TERNOP(mul, add) |
| 2628 |
FLOAT_TERNOP(mul, sub) |
| 2629 |
#undef FLOAT_TERNOP
|
| 2630 |
|
| 2631 |
/* negated ternary operations */
|
| 2632 |
#define FLOAT_NTERNOP(name1, name2) \
|
| 2633 |
uint64_t do_float_n ## name1 ## name2 ## _d(uint64_t fdt0, uint64_t fdt1, \ |
| 2634 |
uint64_t fdt2) \ |
| 2635 |
{ \
|
| 2636 |
fdt0 = float64_ ## name1 (fdt0, fdt1, &env->active_fpu.fp_status); \ |
| 2637 |
fdt2 = float64_ ## name2 (fdt0, fdt2, &env->active_fpu.fp_status); \ |
| 2638 |
return float64_chs(fdt2); \
|
| 2639 |
} \ |
| 2640 |
\ |
| 2641 |
uint32_t do_float_n ## name1 ## name2 ## _s(uint32_t fst0, uint32_t fst1, \ |
| 2642 |
uint32_t fst2) \ |
| 2643 |
{ \
|
| 2644 |
fst0 = float32_ ## name1 (fst0, fst1, &env->active_fpu.fp_status); \ |
| 2645 |
fst2 = float32_ ## name2 (fst0, fst2, &env->active_fpu.fp_status); \ |
| 2646 |
return float32_chs(fst2); \
|
| 2647 |
} \ |
| 2648 |
\ |
| 2649 |
uint64_t do_float_n ## name1 ## name2 ## _ps(uint64_t fdt0, uint64_t fdt1,\ |
| 2650 |
uint64_t fdt2) \ |
| 2651 |
{ \
|
| 2652 |
uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
|
| 2653 |
uint32_t fsth0 = fdt0 >> 32; \
|
| 2654 |
uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
|
| 2655 |
uint32_t fsth1 = fdt1 >> 32; \
|
| 2656 |
uint32_t fst2 = fdt2 & 0XFFFFFFFF; \
|
| 2657 |
uint32_t fsth2 = fdt2 >> 32; \
|
| 2658 |
\ |
| 2659 |
fst0 = float32_ ## name1 (fst0, fst1, &env->active_fpu.fp_status); \ |
| 2660 |
fsth0 = float32_ ## name1 (fsth0, fsth1, &env->active_fpu.fp_status); \ |
| 2661 |
fst2 = float32_ ## name2 (fst0, fst2, &env->active_fpu.fp_status); \ |
| 2662 |
fsth2 = float32_ ## name2 (fsth0, fsth2, &env->active_fpu.fp_status); \ |
| 2663 |
fst2 = float32_chs(fst2); \ |
| 2664 |
fsth2 = float32_chs(fsth2); \ |
| 2665 |
return ((uint64_t)fsth2 << 32) | fst2; \ |
| 2666 |
} |
| 2667 |
|
| 2668 |
FLOAT_NTERNOP(mul, add) |
| 2669 |
FLOAT_NTERNOP(mul, sub) |
| 2670 |
#undef FLOAT_NTERNOP
|
| 2671 |
|
| 2672 |
/* MIPS specific binary operations */
|
| 2673 |
uint64_t do_float_recip2_d(uint64_t fdt0, uint64_t fdt2) |
| 2674 |
{
|
| 2675 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2676 |
fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status); |
| 2677 |
fdt2 = float64_chs(float64_sub(fdt2, FLOAT_ONE64, &env->active_fpu.fp_status)); |
| 2678 |
update_fcr31(); |
| 2679 |
return fdt2;
|
| 2680 |
} |
| 2681 |
|
| 2682 |
uint32_t do_float_recip2_s(uint32_t fst0, uint32_t fst2) |
| 2683 |
{
|
| 2684 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2685 |
fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status); |
| 2686 |
fst2 = float32_chs(float32_sub(fst2, FLOAT_ONE32, &env->active_fpu.fp_status)); |
| 2687 |
update_fcr31(); |
| 2688 |
return fst2;
|
| 2689 |
} |
| 2690 |
|
| 2691 |
uint64_t do_float_recip2_ps(uint64_t fdt0, uint64_t fdt2) |
| 2692 |
{
|
| 2693 |
uint32_t fst0 = fdt0 & 0XFFFFFFFF;
|
| 2694 |
uint32_t fsth0 = fdt0 >> 32;
|
| 2695 |
uint32_t fst2 = fdt2 & 0XFFFFFFFF;
|
| 2696 |
uint32_t fsth2 = fdt2 >> 32;
|
| 2697 |
|
| 2698 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2699 |
fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status); |
| 2700 |
fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status); |
| 2701 |
fst2 = float32_chs(float32_sub(fst2, FLOAT_ONE32, &env->active_fpu.fp_status)); |
| 2702 |
fsth2 = float32_chs(float32_sub(fsth2, FLOAT_ONE32, &env->active_fpu.fp_status)); |
| 2703 |
update_fcr31(); |
| 2704 |
return ((uint64_t)fsth2 << 32) | fst2; |
| 2705 |
} |
| 2706 |
|
| 2707 |
uint64_t do_float_rsqrt2_d(uint64_t fdt0, uint64_t fdt2) |
| 2708 |
{
|
| 2709 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2710 |
fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status); |
| 2711 |
fdt2 = float64_sub(fdt2, FLOAT_ONE64, &env->active_fpu.fp_status); |
| 2712 |
fdt2 = float64_chs(float64_div(fdt2, FLOAT_TWO64, &env->active_fpu.fp_status)); |
| 2713 |
update_fcr31(); |
| 2714 |
return fdt2;
|
| 2715 |
} |
| 2716 |
|
| 2717 |
uint32_t do_float_rsqrt2_s(uint32_t fst0, uint32_t fst2) |
| 2718 |
{
|
| 2719 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2720 |
fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status); |
| 2721 |
fst2 = float32_sub(fst2, FLOAT_ONE32, &env->active_fpu.fp_status); |
| 2722 |
fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status)); |
| 2723 |
update_fcr31(); |
| 2724 |
return fst2;
|
| 2725 |
} |
| 2726 |
|
| 2727 |
uint64_t do_float_rsqrt2_ps(uint64_t fdt0, uint64_t fdt2) |
| 2728 |
{
|
| 2729 |
uint32_t fst0 = fdt0 & 0XFFFFFFFF;
|
| 2730 |
uint32_t fsth0 = fdt0 >> 32;
|
| 2731 |
uint32_t fst2 = fdt2 & 0XFFFFFFFF;
|
| 2732 |
uint32_t fsth2 = fdt2 >> 32;
|
| 2733 |
|
| 2734 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2735 |
fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status); |
| 2736 |
fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status); |
| 2737 |
fst2 = float32_sub(fst2, FLOAT_ONE32, &env->active_fpu.fp_status); |
| 2738 |
fsth2 = float32_sub(fsth2, FLOAT_ONE32, &env->active_fpu.fp_status); |
| 2739 |
fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status)); |
| 2740 |
fsth2 = float32_chs(float32_div(fsth2, FLOAT_TWO32, &env->active_fpu.fp_status)); |
| 2741 |
update_fcr31(); |
| 2742 |
return ((uint64_t)fsth2 << 32) | fst2; |
| 2743 |
} |
| 2744 |
|
| 2745 |
uint64_t do_float_addr_ps(uint64_t fdt0, uint64_t fdt1) |
| 2746 |
{
|
| 2747 |
uint32_t fst0 = fdt0 & 0XFFFFFFFF;
|
| 2748 |
uint32_t fsth0 = fdt0 >> 32;
|
| 2749 |
uint32_t fst1 = fdt1 & 0XFFFFFFFF;
|
| 2750 |
uint32_t fsth1 = fdt1 >> 32;
|
| 2751 |
uint32_t fst2; |
| 2752 |
uint32_t fsth2; |
| 2753 |
|
| 2754 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2755 |
fst2 = float32_add (fst0, fsth0, &env->active_fpu.fp_status); |
| 2756 |
fsth2 = float32_add (fst1, fsth1, &env->active_fpu.fp_status); |
| 2757 |
update_fcr31(); |
| 2758 |
return ((uint64_t)fsth2 << 32) | fst2; |
| 2759 |
} |
| 2760 |
|
| 2761 |
uint64_t do_float_mulr_ps(uint64_t fdt0, uint64_t fdt1) |
| 2762 |
{
|
| 2763 |
uint32_t fst0 = fdt0 & 0XFFFFFFFF;
|
| 2764 |
uint32_t fsth0 = fdt0 >> 32;
|
| 2765 |
uint32_t fst1 = fdt1 & 0XFFFFFFFF;
|
| 2766 |
uint32_t fsth1 = fdt1 >> 32;
|
| 2767 |
uint32_t fst2; |
| 2768 |
uint32_t fsth2; |
| 2769 |
|
| 2770 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
| 2771 |
fst2 = float32_mul (fst0, fsth0, &env->active_fpu.fp_status); |
| 2772 |
fsth2 = float32_mul (fst1, fsth1, &env->active_fpu.fp_status); |
| 2773 |
update_fcr31(); |
| 2774 |
return ((uint64_t)fsth2 << 32) | fst2; |
| 2775 |
} |
| 2776 |
|
| 2777 |
/* compare operations */
|
| 2778 |
#define FOP_COND_D(op, cond) \
|
| 2779 |
void do_cmp_d_ ## op (uint64_t fdt0, uint64_t fdt1, int cc) \ |
| 2780 |
{ \
|
| 2781 |
int c = cond; \
|
| 2782 |
update_fcr31(); \ |
| 2783 |
if (c) \
|
| 2784 |
SET_FP_COND(cc, env->active_fpu); \ |
| 2785 |
else \
|
| 2786 |
CLEAR_FP_COND(cc, env->active_fpu); \ |
| 2787 |
} \ |
| 2788 |
void do_cmpabs_d_ ## op (uint64_t fdt0, uint64_t fdt1, int cc) \ |
| 2789 |
{ \
|
| 2790 |
int c; \
|
| 2791 |
fdt0 = float64_abs(fdt0); \ |
| 2792 |
fdt1 = float64_abs(fdt1); \ |
| 2793 |
c = cond; \ |
| 2794 |
update_fcr31(); \ |
| 2795 |
if (c) \
|
| 2796 |
SET_FP_COND(cc, env->active_fpu); \ |
| 2797 |
else \
|
| 2798 |
CLEAR_FP_COND(cc, env->active_fpu); \ |
| 2799 |
} |
| 2800 |
|
| 2801 |
int float64_is_unordered(int sig, float64 a, float64 b STATUS_PARAM) |
| 2802 |
{
|
| 2803 |
if (float64_is_signaling_nan(a) ||
|
| 2804 |
float64_is_signaling_nan(b) || |
| 2805 |
(sig && (float64_is_nan(a) || float64_is_nan(b)))) {
|
| 2806 |
float_raise(float_flag_invalid, status); |
| 2807 |
return 1; |
| 2808 |
} else if (float64_is_nan(a) || float64_is_nan(b)) { |
| 2809 |
return 1; |
| 2810 |
} else {
|
| 2811 |
return 0; |
| 2812 |
} |
| 2813 |
} |
| 2814 |
|
| 2815 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
| 2816 |
* but float*_is_unordered() is still called. */
|
| 2817 |
FOP_COND_D(f, (float64_is_unordered(0, fdt1, fdt0, &env->active_fpu.fp_status), 0)) |
| 2818 |
FOP_COND_D(un, float64_is_unordered(0, fdt1, fdt0, &env->active_fpu.fp_status))
|
| 2819 |
FOP_COND_D(eq, !float64_is_unordered(0, fdt1, fdt0, &env->active_fpu.fp_status) && float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
|
| 2820 |
FOP_COND_D(ueq, float64_is_unordered(0, fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
|
| 2821 |
FOP_COND_D(olt, !float64_is_unordered(0, fdt1, fdt0, &env->active_fpu.fp_status) && float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
|
| 2822 |
FOP_COND_D(ult, float64_is_unordered(0, fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
|
| 2823 |
FOP_COND_D(ole, !float64_is_unordered(0, fdt1, fdt0, &env->active_fpu.fp_status) && float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
|
| 2824 |
FOP_COND_D(ule, float64_is_unordered(0, fdt1, fdt0, &env->active_fpu.fp_status) || float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
|
| 2825 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
| 2826 |
* but float*_is_unordered() is still called. */
|
| 2827 |
FOP_COND_D(sf, (float64_is_unordered(1, fdt1, fdt0, &env->active_fpu.fp_status), 0)) |
| 2828 |
FOP_COND_D(ngle,float64_is_unordered(1, fdt1, fdt0, &env->active_fpu.fp_status))
|
| 2829 |
FOP_COND_D(seq, !float64_is_unordered(1, fdt1, fdt0, &env->active_fpu.fp_status) && float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
|
| 2830 |
FOP_COND_D(ngl, float64_is_unordered(1, fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
|
| 2831 |
FOP_COND_D(lt, !float64_is_unordered(1, fdt1, fdt0, &env->active_fpu.fp_status) && float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
|
| 2832 |
FOP_COND_D(nge, float64_is_unordered(1, fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
|
| 2833 |
FOP_COND_D(le, !float64_is_unordered(1, fdt1, fdt0, &env->active_fpu.fp_status) && float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
|
| 2834 |
FOP_COND_D(ngt, float64_is_unordered(1, fdt1, fdt0, &env->active_fpu.fp_status) || float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
|
| 2835 |
|
| 2836 |
#define FOP_COND_S(op, cond) \
|
| 2837 |
void do_cmp_s_ ## op (uint32_t fst0, uint32_t fst1, int cc) \ |
| 2838 |
{ \
|
| 2839 |
int c = cond; \
|
| 2840 |
update_fcr31(); \ |
| 2841 |
if (c) \
|
| 2842 |
SET_FP_COND(cc, env->active_fpu); \ |
| 2843 |
else \
|
| 2844 |
CLEAR_FP_COND(cc, env->active_fpu); \ |
| 2845 |
} \ |
| 2846 |
void do_cmpabs_s_ ## op (uint32_t fst0, uint32_t fst1, int cc) \ |
| 2847 |
{ \
|
| 2848 |
int c; \
|
| 2849 |
fst0 = float32_abs(fst0); \ |
| 2850 |
fst1 = float32_abs(fst1); \ |
| 2851 |
c = cond; \ |
| 2852 |
update_fcr31(); \ |
| 2853 |
if (c) \
|
| 2854 |
SET_FP_COND(cc, env->active_fpu); \ |
| 2855 |
else \
|
| 2856 |
CLEAR_FP_COND(cc, env->active_fpu); \ |
| 2857 |
} |
| 2858 |
|
| 2859 |
flag float32_is_unordered(int sig, float32 a, float32 b STATUS_PARAM)
|
| 2860 |
{
|
| 2861 |
if (float32_is_signaling_nan(a) ||
|
| 2862 |
float32_is_signaling_nan(b) || |
| 2863 |
(sig && (float32_is_nan(a) || float32_is_nan(b)))) {
|
| 2864 |
float_raise(float_flag_invalid, status); |
| 2865 |
return 1; |
| 2866 |
} else if (float32_is_nan(a) || float32_is_nan(b)) { |
| 2867 |
return 1; |
| 2868 |
} else {
|
| 2869 |
return 0; |
| 2870 |
} |
| 2871 |
} |
| 2872 |
|
| 2873 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
| 2874 |
* but float*_is_unordered() is still called. */
|
| 2875 |
FOP_COND_S(f, (float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status), 0)) |
| 2876 |
FOP_COND_S(un, float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status))
|
| 2877 |
FOP_COND_S(eq, !float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) && float32_eq(fst0, fst1, &env->active_fpu.fp_status))
|
| 2878 |
FOP_COND_S(ueq, float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status))
|
| 2879 |
FOP_COND_S(olt, !float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) && float32_lt(fst0, fst1, &env->active_fpu.fp_status))
|
| 2880 |
FOP_COND_S(ult, float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status))
|
| 2881 |
FOP_COND_S(ole, !float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) && float32_le(fst0, fst1, &env->active_fpu.fp_status))
|
| 2882 |
FOP_COND_S(ule, float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status))
|
| 2883 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
| 2884 |
* but float*_is_unordered() is still called. */
|
| 2885 |
FOP_COND_S(sf, (float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status), 0)) |
| 2886 |
FOP_COND_S(ngle,float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status))
|
| 2887 |
FOP_COND_S(seq, !float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) && float32_eq(fst0, fst1, &env->active_fpu.fp_status))
|
| 2888 |
FOP_COND_S(ngl, float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status))
|
| 2889 |
FOP_COND_S(lt, !float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) && float32_lt(fst0, fst1, &env->active_fpu.fp_status))
|
| 2890 |
FOP_COND_S(nge, float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status))
|
| 2891 |
FOP_COND_S(le, !float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) && float32_le(fst0, fst1, &env->active_fpu.fp_status))
|
| 2892 |
FOP_COND_S(ngt, float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status))
|
| 2893 |
|
| 2894 |
#define FOP_COND_PS(op, condl, condh) \
|
| 2895 |
void do_cmp_ps_ ## op (uint64_t fdt0, uint64_t fdt1, int cc) \ |
| 2896 |
{ \
|
| 2897 |
uint32_t fst0 = float32_abs(fdt0 & 0XFFFFFFFF); \
|
| 2898 |
uint32_t fsth0 = float32_abs(fdt0 >> 32); \
|
| 2899 |
uint32_t fst1 = float32_abs(fdt1 & 0XFFFFFFFF); \
|
| 2900 |
uint32_t fsth1 = float32_abs(fdt1 >> 32); \
|
| 2901 |
int cl = condl; \
|
| 2902 |
int ch = condh; \
|
| 2903 |
\ |
| 2904 |
update_fcr31(); \ |
| 2905 |
if (cl) \
|
| 2906 |
SET_FP_COND(cc, env->active_fpu); \ |
| 2907 |
else \
|
| 2908 |
CLEAR_FP_COND(cc, env->active_fpu); \ |
| 2909 |
if (ch) \
|
| 2910 |
SET_FP_COND(cc + 1, env->active_fpu); \
|
| 2911 |
else \
|
| 2912 |
CLEAR_FP_COND(cc + 1, env->active_fpu); \
|
| 2913 |
} \ |
| 2914 |
void do_cmpabs_ps_ ## op (uint64_t fdt0, uint64_t fdt1, int cc) \ |
| 2915 |
{ \
|
| 2916 |
uint32_t fst0 = float32_abs(fdt0 & 0XFFFFFFFF); \
|
| 2917 |
uint32_t fsth0 = float32_abs(fdt0 >> 32); \
|
| 2918 |
uint32_t fst1 = float32_abs(fdt1 & 0XFFFFFFFF); \
|
| 2919 |
uint32_t fsth1 = float32_abs(fdt1 >> 32); \
|
| 2920 |
int cl = condl; \
|
| 2921 |
int ch = condh; \
|
| 2922 |
\ |
| 2923 |
update_fcr31(); \ |
| 2924 |
if (cl) \
|
| 2925 |
SET_FP_COND(cc, env->active_fpu); \ |
| 2926 |
else \
|
| 2927 |
CLEAR_FP_COND(cc, env->active_fpu); \ |
| 2928 |
if (ch) \
|
| 2929 |
SET_FP_COND(cc + 1, env->active_fpu); \
|
| 2930 |
else \
|
| 2931 |
CLEAR_FP_COND(cc + 1, env->active_fpu); \
|
| 2932 |
} |
| 2933 |
|
| 2934 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
| 2935 |
* but float*_is_unordered() is still called. */
|
| 2936 |
FOP_COND_PS(f, (float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status), 0), |
| 2937 |
(float32_is_unordered(0, fsth1, fsth0, &env->active_fpu.fp_status), 0)) |
| 2938 |
FOP_COND_PS(un, float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status),
|
| 2939 |
float32_is_unordered(0, fsth1, fsth0, &env->active_fpu.fp_status))
|
| 2940 |
FOP_COND_PS(eq, !float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) && float32_eq(fst0, fst1, &env->active_fpu.fp_status),
|
| 2941 |
!float32_is_unordered(0, fsth1, fsth0, &env->active_fpu.fp_status) && float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
|
| 2942 |
FOP_COND_PS(ueq, float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status),
|
| 2943 |
float32_is_unordered(0, fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
|
| 2944 |
FOP_COND_PS(olt, !float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) && float32_lt(fst0, fst1, &env->active_fpu.fp_status),
|
| 2945 |
!float32_is_unordered(0, fsth1, fsth0, &env->active_fpu.fp_status) && float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
|
| 2946 |
FOP_COND_PS(ult, float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status),
|
| 2947 |
float32_is_unordered(0, fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
|
| 2948 |
FOP_COND_PS(ole, !float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) && float32_le(fst0, fst1, &env->active_fpu.fp_status),
|
| 2949 |
!float32_is_unordered(0, fsth1, fsth0, &env->active_fpu.fp_status) && float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
|
| 2950 |
FOP_COND_PS(ule, float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status),
|
| 2951 |
float32_is_unordered(0, fsth1, fsth0, &env->active_fpu.fp_status) || float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
|
| 2952 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
| 2953 |
* but float*_is_unordered() is still called. */
|
| 2954 |
FOP_COND_PS(sf, (float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status), 0), |
| 2955 |
(float32_is_unordered(1, fsth1, fsth0, &env->active_fpu.fp_status), 0)) |
| 2956 |
FOP_COND_PS(ngle,float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status),
|
| 2957 |
float32_is_unordered(1, fsth1, fsth0, &env->active_fpu.fp_status))
|
| 2958 |
FOP_COND_PS(seq, !float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) && float32_eq(fst0, fst1, &env->active_fpu.fp_status),
|
| 2959 |
!float32_is_unordered(1, fsth1, fsth0, &env->active_fpu.fp_status) && float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
|
| 2960 |
FOP_COND_PS(ngl, float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status),
|
| 2961 |
float32_is_unordered(1, fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
|
| 2962 |
FOP_COND_PS(lt, !float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) && float32_lt(fst0, fst1, &env->active_fpu.fp_status),
|
| 2963 |
!float32_is_unordered(1, fsth1, fsth0, &env->active_fpu.fp_status) && float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
|
| 2964 |
FOP_COND_PS(nge, float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status),
|
| 2965 |
float32_is_unordered(1, fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
|
| 2966 |
FOP_COND_PS(le, !float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) && float32_le(fst0, fst1, &env->active_fpu.fp_status),
|
| 2967 |
!float32_is_unordered(1, fsth1, fsth0, &env->active_fpu.fp_status) && float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
|
| 2968 |
FOP_COND_PS(ngt, float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status),
|
| 2969 |
float32_is_unordered(1, fsth1, fsth0, &env->active_fpu.fp_status) || float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
|