| yu.dong | c33b307 | 2024-08-21 23:14:49 -0700 | [diff] [blame^] | 1 | /***************************************************************************** |
| 2 | * Copyright Statement: |
| 3 | * -------------------- |
| 4 | * This software is protected by Copyright and the information contained |
| 5 | * herein is confidential. The software may not be copied and the information |
| 6 | * contained herein may not be used or disclosed except with the written |
| 7 | * permission of MediaTek Inc. (C) 2018 |
| 8 | * |
| 9 | * BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES |
| 10 | * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") |
| 11 | * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON |
| 12 | * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, |
| 13 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF |
| 14 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. |
| 15 | * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE |
| 16 | * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR |
| 17 | * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH |
| 18 | * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO |
| 19 | * NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S |
| 20 | * SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM. |
| 21 | * |
| 22 | * BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE |
| 23 | * LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, |
| 24 | * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, |
| 25 | * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO |
| 26 | * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. |
| 27 | * |
| 28 | * THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE |
| 29 | * WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF |
| 30 | * LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND |
| 31 | * RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER |
| 32 | * THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC). |
| 33 | * |
| 34 | *****************************************************************************/ |
| 35 | /***************************************************************************** |
| 36 | * |
| 37 | * Filename: |
| 38 | * --------- |
| 39 | * kal_itc.h |
| 40 | * |
| 41 | * Project: |
| 42 | * -------- |
| 43 | * UMOLYE |
| 44 | * |
| 45 | * Description: |
| 46 | * ------------ |
| 47 | * This file provides KAL ITC related APIs |
| 48 | * |
| 49 | * Author: |
| 50 | * ------- |
| 51 | * ------- |
| 52 | * |
| 53 | *============================================================================ |
| 54 | * HISTORY |
| 55 | * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!! |
| 56 | *------------------------------------------------------------------------------ |
| 57 | * removed! |
| 58 | * removed! |
| 59 | * removed! |
| 60 | * |
| 61 | * removed! |
| 62 | * removed! |
| 63 | * removed! |
| 64 | * removed! |
| 65 | * |
| 66 | * removed! |
| 67 | * removed! |
| 68 | * removed! |
| 69 | * |
| 70 | * removed! |
| 71 | * removed! |
| 72 | * removed! |
| 73 | * removed! |
| 74 | * |
| 75 | * |
| 76 | ****************************************************************************/ |
| 77 | |
| 78 | #ifndef _KAL_ITC_H |
| 79 | #define _KAL_ITC_H |
| 80 | |
| 81 | /******************************************************************************* |
| 82 | * Include Statements |
| 83 | *******************************************************************************/ |
| 84 | #include "kal_general_types.h" |
| 85 | #include "kal_public_defs.h" |
| 86 | |
| 87 | /******************************************************************************* |
| 88 | * Definitions and macros |
| 89 | *******************************************************************************/ |
| 90 | #ifdef __MTK_TARGET__ |
| 91 | #define KAL_SPINLOCK_CREATEDLIST |
| 92 | #endif |
| 93 | |
| 94 | #ifndef HW_ITC_GRP |
| 95 | #if defined(__MD93__) |
| 96 | #define KAL_ITC_GRP 3 /* Context takes ITC */ |
| 97 | #elif defined(__MD95__) |
| 98 | #define KAL_ITC_GRP 3 /* Context takes ITC */ |
| 99 | #elif defined(__MD97__) |
| 100 | #define KAL_ITC_GRP 2 /* Context takes ITC, or Critical HRT LISR */ |
| 101 | #elif defined(__MD97P__) |
| 102 | #define KAL_ITC_GRP 2 /* For now, MD97P defs same as in MD97 */ |
| 103 | #else |
| 104 | #warning "unknown MDMCU version" |
| 105 | #endif |
| 106 | #else |
| 107 | #define KAL_ITC_GRP HW_ITC_GRP /* Context takes ITC */ |
| 108 | #endif |
| 109 | |
| 110 | #define KAL_ITC_MAX_NAME (8) |
| 111 | #define KAL_SPIN_LOCK_ID 0x53504c4bUL |
| 112 | |
| 113 | /* Select correct DI API to use based on the current domain and VPE */ |
| 114 | #define KAL_ITC_DI(ret_addr, is_hrt) \ |
| 115 | ({ \ |
| 116 | kal_int32 _irq_state; \ |
| 117 | if (is_hrt == KAL_TRUE) { \ |
| 118 | _irq_state = kal_hrt_SaveAndSetIRQMask_ITC(ret_addr); \ |
| 119 | } else { \ |
| 120 | _irq_state = SaveAndSetIRQMask(); \ |
| 121 | } \ |
| 122 | _irq_state; \ |
| 123 | }) |
| 124 | |
| 125 | /* Select correct EI API to use based on the current context and VPE */ |
| 126 | #define KAL_ITC_EI(irq_state, ret_addr, is_hrt) \ |
| 127 | do { \ |
| 128 | if (is_hrt == KAL_TRUE) { \ |
| 129 | kal_hrt_RestoreIRQMask_ITC(irq_state, ret_addr); \ |
| 130 | } else { \ |
| 131 | RestoreIRQMask(irq_state); \ |
| 132 | } \ |
| 133 | } while (0) |
| 134 | |
| 135 | /* Primitive macro for taking the lock, return only after getting the lock */ |
| 136 | #if defined(__mips16) || defined(__nanomips__) |
| 137 | #define KAL_ITC_LOCK_TAKE(lock) \ |
| 138 | ({ \ |
| 139 | kal_status _ret = 0; \ |
| 140 | __asm__ __volatile__( \ |
| 141 | "1: ll %1, %2;" \ |
| 142 | " beqz %1, 2f;" \ |
| 143 | " pause;" \ |
| 144 | " b 1b;" \ |
| 145 | "2: li %1, 1;" \ |
| 146 | " sc %1, %0;" \ |
| 147 | " beqz %1, 1b;" \ |
| 148 | : "=ZC"(lock), "+d"(_ret) \ |
| 149 | : "ZC"(lock) \ |
| 150 | : "memory"); \ |
| 151 | _ret; \ |
| 152 | }) |
| 153 | #else |
| 154 | #define KAL_ITC_LOCK_TAKE(lock) \ |
| 155 | ({ \ |
| 156 | kal_status _ret = 0; \ |
| 157 | __asm__ __volatile__( \ |
| 158 | " .set push;" \ |
| 159 | " .set noreorder;" \ |
| 160 | "1: ll %1, %2;" \ |
| 161 | " beqz %1, 2f;" \ |
| 162 | " li %1, 1;" \ |
| 163 | " pause;" \ |
| 164 | " b 1b;" \ |
| 165 | " nop;" \ |
| 166 | "2: sc %1, %0;" \ |
| 167 | " beqz %1, 1b;" \ |
| 168 | " nop;" \ |
| 169 | " .set pop;" \ |
| 170 | : "=ZC"(lock), "+d"(_ret) \ |
| 171 | : "ZC"(lock) \ |
| 172 | : "memory"); \ |
| 173 | _ret; \ |
| 174 | }) |
| 175 | #endif |
| 176 | |
| 177 | /* Primitive macro for taking the lock, return only after getting the lock, |
| 178 | * does disable interrupts. |
| 179 | * Old irq status saved in irq_mask */ |
| 180 | #if defined(__mips16) || defined(__nanomips__) |
| 181 | #define KAL_ITC_LOCK_TAKE_DI(lock, irq_mask) \ |
| 182 | ({ \ |
| 183 | kal_status _ret = 0; \ |
| 184 | __asm__ __volatile__( \ |
| 185 | " di %2;" \ |
| 186 | " ehb;" \ |
| 187 | " ext %2, %2, 0, 1;" \ |
| 188 | "1: ll %1, %3;" \ |
| 189 | " beqz %1, 3f;" \ |
| 190 | " beqz %2, 2f;" \ |
| 191 | " ei;" \ |
| 192 | "2: pause;" \ |
| 193 | " di %2;" \ |
| 194 | " ehb;" \ |
| 195 | " ext %2, %2, 0, 1;" \ |
| 196 | " b 1b;" \ |
| 197 | "3: li %1, 1;" \ |
| 198 | " sc %1, %0;" \ |
| 199 | " beqz %1, 1b;" \ |
| 200 | : "=ZC"(lock), "+d"(_ret), "+d"(irq_mask) \ |
| 201 | : "ZC"(lock) \ |
| 202 | : "memory"); \ |
| 203 | _ret; \ |
| 204 | }) |
| 205 | #else |
| 206 | #define KAL_ITC_LOCK_TAKE_DI(lock, irq_mask) \ |
| 207 | ({ \ |
| 208 | kal_status _ret = 0; \ |
| 209 | __asm__ __volatile__( \ |
| 210 | " .set push;" \ |
| 211 | " .set noreorder;" \ |
| 212 | " di %2;" \ |
| 213 | " ehb;" \ |
| 214 | " ext %2, %2, 0, 1;" \ |
| 215 | "1: ll %1, %3;" \ |
| 216 | " beqz %1, 3f;" \ |
| 217 | " li %1, 1;" \ |
| 218 | " beqz %2, 2f;" \ |
| 219 | " nop;" \ |
| 220 | " ei;" \ |
| 221 | "2: pause;" \ |
| 222 | " di %2;" \ |
| 223 | " ehb;" \ |
| 224 | " ext %2, %2, 0, 1;" \ |
| 225 | " b 1b;" \ |
| 226 | " nop;" \ |
| 227 | "3: sc %1, %0;" \ |
| 228 | " beqz %1, 1b;" \ |
| 229 | " nop;" \ |
| 230 | " .set pop;" \ |
| 231 | : "=ZC"(lock), "+d"(_ret), "+d"(irq_mask) \ |
| 232 | : "ZC"(lock) \ |
| 233 | : "memory"); \ |
| 234 | _ret; \ |
| 235 | }) |
| 236 | #endif |
| 237 | |
| 238 | /* Primitive macro for trying the lock, return success or fail */ |
| 239 | #if defined(__mips16) || defined(__nanomips__) |
| 240 | #define KAL_ITC_LOCK_TRY(lock) \ |
| 241 | ({ \ |
| 242 | kal_status _ret = 0; \ |
| 243 | __asm__ __volatile__( \ |
| 244 | " ll %1, %2;" \ |
| 245 | " bnez %1, 1f;" \ |
| 246 | " li %1, 1;" \ |
| 247 | " sc %1, %0;" \ |
| 248 | " b 2f;" \ |
| 249 | "1: li %1, 0;" \ |
| 250 | "2: ;" \ |
| 251 | : "=ZC"(lock), "+d"(_ret) \ |
| 252 | : "ZC"(lock) \ |
| 253 | : "memory"); \ |
| 254 | _ret = _ret != 0 ? KAL_SUCCESS : KAL_ERROR; \ |
| 255 | _ret; \ |
| 256 | }) |
| 257 | #else |
| 258 | #define KAL_ITC_LOCK_TRY(lock) \ |
| 259 | ({ \ |
| 260 | kal_status _ret = 0; \ |
| 261 | __asm__ __volatile__( \ |
| 262 | " .set push;" \ |
| 263 | " .set noreorder;" \ |
| 264 | " ll %1, %2;" \ |
| 265 | " bnez %1, 1f;" \ |
| 266 | " li %1, 0;" \ |
| 267 | " li %1, 1;" \ |
| 268 | " sc %1, %0;" \ |
| 269 | "1: ;" \ |
| 270 | " .set pop;" \ |
| 271 | : "=ZC"(lock), "+d"(_ret) \ |
| 272 | : "ZC"(lock) \ |
| 273 | : "memory"); \ |
| 274 | _ret = _ret != 0 ? KAL_SUCCESS : KAL_ERROR; \ |
| 275 | _ret; \ |
| 276 | }) |
| 277 | #endif |
| 278 | |
| 279 | /* Primitive macro for trying the lock, return success or fail, |
| 280 | * does disable interrupts if success. |
| 281 | * Old irq status saved in irq_mask */ |
| 282 | #if defined(__mips16) || defined(__nanomips__) |
| 283 | #define KAL_ITC_LOCK_TRY_DI(lock, irq_mask) \ |
| 284 | ({ \ |
| 285 | kal_status _ret = 0; \ |
| 286 | __asm__ __volatile__( \ |
| 287 | " di %2;" \ |
| 288 | " ehb;" \ |
| 289 | " ext %2, %2, 0, 1;" \ |
| 290 | " ll %1, %3;" \ |
| 291 | " bnez %1, 1f;" \ |
| 292 | " li %1, 1;" \ |
| 293 | " sc %1, %0;" \ |
| 294 | " b 2f;" \ |
| 295 | "1: li %1, 0;" \ |
| 296 | "2: ;" \ |
| 297 | : "=ZC"(lock), "+d"(_ret), "+d"(irq_mask) \ |
| 298 | : "ZC"(lock) \ |
| 299 | : "memory"); \ |
| 300 | if (_ret != 0) { \ |
| 301 | _ret = KAL_SUCCESS; \ |
| 302 | } else { \ |
| 303 | _ret = KAL_ERROR; \ |
| 304 | if (irq_mask != 0) { \ |
| 305 | __asm__ __volatile__("ei; ehb;" ::: "memory"); \ |
| 306 | } \ |
| 307 | } \ |
| 308 | _ret; \ |
| 309 | }) |
| 310 | #else |
| 311 | #define KAL_ITC_LOCK_TRY_DI(lock, irq_mask) \ |
| 312 | ({ \ |
| 313 | kal_status _ret = 0; \ |
| 314 | __asm__ __volatile__( \ |
| 315 | " .set push;" \ |
| 316 | " .set noreorder;" \ |
| 317 | " di %2;" \ |
| 318 | " ehb;" \ |
| 319 | " ext %2, %2, 0, 1;" \ |
| 320 | " ll %1, %3;" \ |
| 321 | " bnez %1, 1f;" \ |
| 322 | " li %1, 0;" \ |
| 323 | " li %1, 1;" \ |
| 324 | " sc %1, %0;" \ |
| 325 | "1: ;" \ |
| 326 | " .set pop;" \ |
| 327 | : "=ZC"(lock), "+d"(_ret), "+d"(irq_mask) \ |
| 328 | : "ZC"(lock) \ |
| 329 | : "memory"); \ |
| 330 | if (_ret != 0) { \ |
| 331 | _ret = KAL_SUCCESS; \ |
| 332 | } else { \ |
| 333 | _ret = KAL_ERROR; \ |
| 334 | if (irq_mask != 0) { \ |
| 335 | __asm__ __volatile__("ei; ehb;" ::: "memory"); \ |
| 336 | } \ |
| 337 | } \ |
| 338 | _ret; \ |
| 339 | }) |
| 340 | #endif |
| 341 | |
| 342 | /* Primitive macro for taking the lock, return only after getting the lock, |
| 343 | * does disable interrupts and disable MT. |
| 344 | * Old irq status saved in irq_mask, old MT status saved in mt_mask */ |
| 345 | #if defined(__mips16) || defined(__nanomips__) |
| 346 | #define KAL_ITC_LOCK_TAKE_DI_DMT(lock, irq_mask, mt_mask) \ |
| 347 | ({ \ |
| 348 | kal_status _ret = 0; \ |
| 349 | __asm__ __volatile__( \ |
| 350 | " dmt %3;" \ |
| 351 | " ehb;" \ |
| 352 | " di %2;" \ |
| 353 | " ehb;" \ |
| 354 | " ext %3, %3, 15, 1;" \ |
| 355 | " ext %2, %2, 0, 1;" \ |
| 356 | "1: ll %1, %4;" \ |
| 357 | " beqz %1, 4f;" \ |
| 358 | " beqz %2, 2f;" \ |
| 359 | " ei;" \ |
| 360 | "2: beqz %3, 3f;" \ |
| 361 | " emt;" \ |
| 362 | " ehb;" \ |
| 363 | "3: pause;" \ |
| 364 | " dmt %3;" \ |
| 365 | " ehb;" \ |
| 366 | " di %2;" \ |
| 367 | " ehb;" \ |
| 368 | " ext %3, %3, 15, 1;" \ |
| 369 | " ext %2, %2, 0, 1;" \ |
| 370 | " b 1b;" \ |
| 371 | "4: li %1, 1;" \ |
| 372 | " sc %1, %0;" \ |
| 373 | " beqz %1, 1b;" \ |
| 374 | : "=ZC" (lock), "+d" (_ret), "+d" (irq_mask), "+d" (mt_mask) \ |
| 375 | : "ZC" (lock) \ |
| 376 | : "memory" \ |
| 377 | ); \ |
| 378 | _ret; \ |
| 379 | }) |
| 380 | #else |
| 381 | #define KAL_ITC_LOCK_TAKE_DI_DMT(lock, irq_mask, mt_mask) \ |
| 382 | ({ \ |
| 383 | kal_status _ret = 0; \ |
| 384 | __asm__ __volatile__( \ |
| 385 | " .set push;" \ |
| 386 | " .set noreorder;" \ |
| 387 | " dmt %3;" \ |
| 388 | " ehb;" \ |
| 389 | " di %2;" \ |
| 390 | " ehb;" \ |
| 391 | " ext %3, %3, 15, 1;" \ |
| 392 | " ext %2, %2, 0, 1;" \ |
| 393 | "1: ll %1, %4;" \ |
| 394 | " beqz %1, 4f;" \ |
| 395 | " li %1, 1;" \ |
| 396 | " beqz %2, 2f;" \ |
| 397 | " nop;" \ |
| 398 | " ei;" \ |
| 399 | "2: beqz %2, 3f;" \ |
| 400 | " nop;" \ |
| 401 | " emt;" \ |
| 402 | " ehb;" \ |
| 403 | "3: pause;" \ |
| 404 | " dmt %3;" \ |
| 405 | " ehb;" \ |
| 406 | " di %2;" \ |
| 407 | " ehb;" \ |
| 408 | " ext %3, %3, 15, 1;" \ |
| 409 | " ext %2, %2, 0, 1;" \ |
| 410 | " b 1b;" \ |
| 411 | " nop;" \ |
| 412 | "4: sc %1, %0;" \ |
| 413 | " beqz %1, 1b;" \ |
| 414 | " nop;" \ |
| 415 | " .set pop;" \ |
| 416 | : "=ZC" (lock), "+d" (_ret), "+d" (irq_mask), "+d" (mt_mask) \ |
| 417 | : "ZC" (lock) \ |
| 418 | : "memory" \ |
| 419 | ); \ |
| 420 | _ret; \ |
| 421 | }) |
| 422 | #endif |
| 423 | |
| 424 | /* Primitive macro for trying the lock, return success or fail, |
| 425 | * does disable interrupts and MT if success. |
| 426 | * Old irq status saved in irq_mask, old MT status saved in mt_mask */ |
| 427 | #if defined(__mips16) || defined(__nanomips__) |
| 428 | #define KAL_ITC_LOCK_TRY_DI_DMT(lock, irq_maski, mt_mask) \ |
| 429 | ({ \ |
| 430 | kal_status _ret = 0; \ |
| 431 | __asm__ __volatile__( \ |
| 432 | " dmt %3;" \ |
| 433 | " ehb;" \ |
| 434 | " di %2;" \ |
| 435 | " ehb;" \ |
| 436 | " ext %3, %3, 15, 1;" \ |
| 437 | " ext %2, %2, 0, 1;" \ |
| 438 | " ll %1, %4;" \ |
| 439 | " bnez %1, 1f;" \ |
| 440 | " li %1, 1;" \ |
| 441 | " sc %1, %0;" \ |
| 442 | " b 2f;" \ |
| 443 | "1: li %1, 0;" \ |
| 444 | "2: ;" \ |
| 445 | : "=ZC" (lock), "+d" (_ret), "+d" (irq_mask), "+d" (mt_mask) \ |
| 446 | : "ZC" (lock) \ |
| 447 | : "memory" \ |
| 448 | ); \ |
| 449 | if (_ret != 0) { \ |
| 450 | _ret = KAL_SUCCESS; \ |
| 451 | } else { \ |
| 452 | _ret = KAL_ERROR; \ |
| 453 | if (irq_mask != 0) { \ |
| 454 | __asm__ __volatile__("ei; ehb;":::"memory"); \ |
| 455 | } \ |
| 456 | if (mt_mask != 0) { \ |
| 457 | __asm__ __volatile__("emt; ehb;":::"memory"); \ |
| 458 | } \ |
| 459 | } \ |
| 460 | _ret; \ |
| 461 | }) |
| 462 | #else |
| 463 | #define KAL_ITC_LOCK_TRY_DI_DMT(lock, irq_mask, mt_mask) \ |
| 464 | ({ \ |
| 465 | kal_status _ret = 0; \ |
| 466 | __asm__ __volatile__( \ |
| 467 | " .set push;" \ |
| 468 | " .set noreorder;" \ |
| 469 | " dmt %3;" \ |
| 470 | " ehb;" \ |
| 471 | " di %2;" \ |
| 472 | " ehb;" \ |
| 473 | " ext %3, %3, 15, 1;" \ |
| 474 | " ext %2, %2, 0, 1;" \ |
| 475 | " ll %1, %4;" \ |
| 476 | " bnez %1, 1f;" \ |
| 477 | " li %1, 0;" \ |
| 478 | " li %1, 1;" \ |
| 479 | " sc %1, %0;" \ |
| 480 | "1: ;" \ |
| 481 | " .set pop;" \ |
| 482 | : "=ZC" (lock), "+d" (_ret), "+d" (irq_mask), "+d" (mt_mask) \ |
| 483 | : "ZC" (lock) \ |
| 484 | : "memory" \ |
| 485 | ); \ |
| 486 | if (_ret != 0) { \ |
| 487 | _ret = KAL_SUCCESS; \ |
| 488 | } else { \ |
| 489 | _ret = KAL_ERROR; \ |
| 490 | if (irq_mask != 0) { \ |
| 491 | __asm__ __volatile__("ei; ehb;":::"memory"); \ |
| 492 | } \ |
| 493 | if (mt_mask != 0) { \ |
| 494 | __asm__ __volatile__("emt; ehb;":::"memory"); \ |
| 495 | } \ |
| 496 | } \ |
| 497 | _ret; \ |
| 498 | }) |
| 499 | #endif |
| 500 | |
| 501 | /* Primitive macro for taking the lock, return only after getting the lock, |
| 502 | * does disable interrupts, disable MT, and raise prio to HW_ITC_GRP. |
| 503 | * Old irq status saved in irq_mask, old MT status saved in mt_mask, |
| 504 | * old prio saved in prio. */ |
| 505 | #if defined(__nanomips__) |
| 506 | #define KAL_ITC_LOCK_TAKE_DI_DMT_PRIO(lock, irq_mask, mt_mask, prio) \ |
| 507 | ({ \ |
| 508 | kal_status _ret = 0; \ |
| 509 | kal_uint32 _new_prio = KAL_ITC_GRP; \ |
| 510 | __asm__ __volatile__( \ |
| 511 | " mfc0 %4, $2, 6;" \ |
| 512 | " move %1, %4;" \ |
| 513 | " ins %1, %6, 2, 2;" \ |
| 514 | " ext %4, %4, 2, 2;" \ |
| 515 | " dmt %3;" \ |
| 516 | " ehb;" \ |
| 517 | " mtc0 %1, $2, 6;" \ |
| 518 | " ehb;" \ |
| 519 | " di %2;" \ |
| 520 | " ehb;" \ |
| 521 | " ext %3, %3, 15, 1;" \ |
| 522 | " ext %2, %2, 0, 1;" \ |
| 523 | "1: ll %1, %5;" \ |
| 524 | " beqz %1, 4f;" \ |
| 525 | " beqz %2, 2f;" \ |
| 526 | " ei;" \ |
| 527 | " ehb;" \ |
| 528 | "2: beqz %3, 3f;" \ |
| 529 | " emt;" \ |
| 530 | " ehb;" \ |
| 531 | "3: pause;" \ |
| 532 | " dmt %3;" \ |
| 533 | " ehb;" \ |
| 534 | " di %2;" \ |
| 535 | " ehb;" \ |
| 536 | " ext %3, %3, 15, 1;" \ |
| 537 | " ext %2, %2, 0, 1;" \ |
| 538 | " b 1b;" \ |
| 539 | "4: li %1, 1;" \ |
| 540 | " sc %1, %0;" \ |
| 541 | " beqz %1, 1b;" \ |
| 542 | : "=ZC" (lock), "+d" (_ret), "+d" (irq_mask), "+d" (mt_mask), "+d" (prio) \ |
| 543 | : "ZC" (lock), "d" (_new_prio) \ |
| 544 | : "memory" \ |
| 545 | ); \ |
| 546 | _ret; \ |
| 547 | }) |
| 548 | #elif defined(__mips16) |
| 549 | #define KAL_ITC_LOCK_TAKE_DI_DMT_PRIO(lock, irq_mask, mt_mask, prio) \ |
| 550 | ({ \ |
| 551 | kal_status _ret = 0; \ |
| 552 | kal_uint32 _new_prio = KAL_ITC_GRP; \ |
| 553 | __asm__ __volatile__( \ |
| 554 | " mfc0 %4, $2, 6;" \ |
| 555 | " move %1, %4;" \ |
| 556 | " ins %1, %6, 0, 2;" \ |
| 557 | " ext %4, %4, 0, 2;" \ |
| 558 | " dmt %3;" \ |
| 559 | " ehb;" \ |
| 560 | " mtc0 %1, $2, 6;" \ |
| 561 | " ehb;" \ |
| 562 | " di %2;" \ |
| 563 | " ehb;" \ |
| 564 | " ext %3, %3, 15, 1;" \ |
| 565 | " ext %2, %2, 0, 1;" \ |
| 566 | "1: ll %1, %5;" \ |
| 567 | " beqz %1, 4f;" \ |
| 568 | " beqz %2, 2f;" \ |
| 569 | " ei;" \ |
| 570 | " ehb;" \ |
| 571 | "2: beqz %3, 3f;" \ |
| 572 | " emt;" \ |
| 573 | " ehb;" \ |
| 574 | "3: pause;" \ |
| 575 | " dmt %3;" \ |
| 576 | " ehb;" \ |
| 577 | " di %2;" \ |
| 578 | " ehb;" \ |
| 579 | " ext %3, %3, 15, 1;" \ |
| 580 | " ext %2, %2, 0, 1;" \ |
| 581 | " b 1b;" \ |
| 582 | "4: li %1, 1;" \ |
| 583 | " sc %1, %0;" \ |
| 584 | " beqz %1, 1b;" \ |
| 585 | : "=ZC" (lock), "+d" (_ret), "+d" (irq_mask), "+d" (mt_mask), "+d" (prio) \ |
| 586 | : "ZC" (lock), "d" (_new_prio) \ |
| 587 | : "memory" \ |
| 588 | ); \ |
| 589 | _ret; \ |
| 590 | }) |
| 591 | #else |
| 592 | #define KAL_ITC_LOCK_TAKE_DI_DMT_PRIO(lock, irq_mask, mt_mask, prio) \ |
| 593 | ({ \ |
| 594 | kal_status _ret = 0; \ |
| 595 | kal_uint32 _new_prio = KAL_ITC_GRP; \ |
| 596 | __asm__ __volatile__( \ |
| 597 | " .set push;" \ |
| 598 | " .set noreorder;" \ |
| 599 | " mfc0 %4, $2, 6;" \ |
| 600 | " move %1, %4;" \ |
| 601 | " ins %1, %6, 0, 2;" \ |
| 602 | " ext %4, %4, 0, 2;" \ |
| 603 | " dmt %3;" \ |
| 604 | " ehb;" \ |
| 605 | " mtc0 %1, $2, 6;" \ |
| 606 | " ehb;" \ |
| 607 | " di %2;" \ |
| 608 | " ehb;" \ |
| 609 | " ext %3, %3, 15, 1;" \ |
| 610 | " ext %2, %2, 0, 1;" \ |
| 611 | "1: ll %1, %5;" \ |
| 612 | " beqz %1, 4f;" \ |
| 613 | " li %1, 1;" \ |
| 614 | " beqz %2, 2f;" \ |
| 615 | " nop;" \ |
| 616 | " ei;" \ |
| 617 | " ehb;" \ |
| 618 | "2: beqz %2, 3f;" \ |
| 619 | " nop;" \ |
| 620 | " emt;" \ |
| 621 | " ehb;" \ |
| 622 | "3: pause;" \ |
| 623 | " dmt %3;" \ |
| 624 | " ehb;" \ |
| 625 | " di %2;" \ |
| 626 | " ehb;" \ |
| 627 | " ext %3, %3, 15, 1;" \ |
| 628 | " ext %2, %2, 0, 1;" \ |
| 629 | " b 1b;" \ |
| 630 | " nop;" \ |
| 631 | "4: sc %1, %0;" \ |
| 632 | " beqz %1, 1b;" \ |
| 633 | " nop;" \ |
| 634 | " .set pop;" \ |
| 635 | : "=ZC" (lock), "+d" (_ret), "+d" (irq_mask), "+d" (mt_mask), "+d" (prio) \ |
| 636 | : "ZC" (lock), "d" (_new_prio) \ |
| 637 | : "memory" \ |
| 638 | ); \ |
| 639 | _ret; \ |
| 640 | }) |
| 641 | #endif |
| 642 | |
| 643 | /* Primitive macro for trying the lock, return success or fail, |
| 644 | * does disable interrupts and MT, and raise prio to HW_ITC_GRP if success. |
| 645 | * Old irq status saved in irq_mask, old MT status saved in mt_mask, |
| 646 | * old prio saved in prio. */ |
| 647 | #if defined(__nanomips__) |
| 648 | #define KAL_ITC_LOCK_TRY_DI_DMT_PRIO(lock, irq_maski, mt_mask, prio) \ |
| 649 | ({ \ |
| 650 | kal_status _ret = 0; \ |
| 651 | kal_uint32 _new_prio = KAL_ITC_GRP; \ |
| 652 | __asm__ __volatile__( \ |
| 653 | " mfc0 %4, $2, 6;" \ |
| 654 | " move %1, %4;" \ |
| 655 | " ins %1, %6, 2, 2;" \ |
| 656 | " ext %4, %4, 2, 2;" \ |
| 657 | " dmt %3;" \ |
| 658 | " ehb;" \ |
| 659 | " mtc0 %1, $2, 6;" \ |
| 660 | " ehb;" \ |
| 661 | " di %2;" \ |
| 662 | " ehb;" \ |
| 663 | " ext %3, %3, 15, 1;" \ |
| 664 | " ext %2, %2, 0, 1;" \ |
| 665 | " ll %1, %5;" \ |
| 666 | " bnez %1, 1f;" \ |
| 667 | " li %1, 1;" \ |
| 668 | " sc %1, %0;" \ |
| 669 | " b 2f;" \ |
| 670 | "1: li %1, 0;" \ |
| 671 | "2: ;" \ |
| 672 | : "=ZC" (lock), "+d" (_ret), "+d" (irq_mask), "+d" (mt_mask), "+d" (prio) \ |
| 673 | : "ZC" (lock), "d" (_new_prio) \ |
| 674 | : "memory" \ |
| 675 | ); \ |
| 676 | if (_ret != 0) { \ |
| 677 | _ret = KAL_SUCCESS; \ |
| 678 | } else { \ |
| 679 | _ret = KAL_ERROR; \ |
| 680 | if (irq_mask != 0) { \ |
| 681 | __asm__ __volatile__("ei; ehb;":::"memory"); \ |
| 682 | } \ |
| 683 | if (prio != KAL_ITC_GRP) { \ |
| 684 | kal_uint32 _tc_schedule = 0; \ |
| 685 | __asm__ __volatile__( \ |
| 686 | " mfc0 %0, $2, 6;" \ |
| 687 | " ins %0, %1, 2, 2;" \ |
| 688 | " mtc0 %0, $2, 6;" \ |
| 689 | " ehb;" \ |
| 690 | : "+d" (_tc_schedule) \ |
| 691 | : "d" (prio) \ |
| 692 | : \ |
| 693 | ); \ |
| 694 | } \ |
| 695 | if (mt_mask != 0) { \ |
| 696 | __asm__ __volatile__("emt; ehb;":::"memory"); \ |
| 697 | } \ |
| 698 | } \ |
| 699 | _ret; \ |
| 700 | }) |
| 701 | #elif defined(__mips16) |
| 702 | #define KAL_ITC_LOCK_TRY_DI_DMT_PRIO(lock, irq_maski, mt_mask, prio) \ |
| 703 | ({ \ |
| 704 | kal_status _ret = 0; \ |
| 705 | kal_uint32 _new_prio = KAL_ITC_GRP; \ |
| 706 | __asm__ __volatile__( \ |
| 707 | " mfc0 %4, $2, 6;" \ |
| 708 | " move %1, %4;" \ |
| 709 | " ins %1, %6, 0, 2;" \ |
| 710 | " ext %4, %4, 0, 2;" \ |
| 711 | " dmt %3;" \ |
| 712 | " ehb;" \ |
| 713 | " mtc0 %1, $2, 6;" \ |
| 714 | " ehb;" \ |
| 715 | " di %2;" \ |
| 716 | " ehb;" \ |
| 717 | " ext %3, %3, 15, 1;" \ |
| 718 | " ext %2, %2, 0, 1;" \ |
| 719 | " ll %1, %5;" \ |
| 720 | " bnez %1, 1f;" \ |
| 721 | " li %1, 1;" \ |
| 722 | " sc %1, %0;" \ |
| 723 | " b 2f;" \ |
| 724 | "1: li %1, 0;" \ |
| 725 | "2: ;" \ |
| 726 | : "=ZC" (lock), "+d" (_ret), "+d" (irq_mask), "+d" (mt_mask), "+d" (prio) \ |
| 727 | : "ZC" (lock), "d" (_new_prio) \ |
| 728 | : "memory" \ |
| 729 | ); \ |
| 730 | if (_ret != 0) { \ |
| 731 | _ret = KAL_SUCCESS; \ |
| 732 | } else { \ |
| 733 | _ret = KAL_ERROR; \ |
| 734 | if (irq_mask != 0) { \ |
| 735 | __asm__ __volatile__("ei; ehb;":::"memory"); \ |
| 736 | } \ |
| 737 | if (prio != KAL_ITC_GRP) { \ |
| 738 | kal_uint32 _tc_schedule = 0; \ |
| 739 | __asm__ __volatile__( \ |
| 740 | " mfc0 %0, $2, 6;" \ |
| 741 | " ins %0, %1, 0, 2;" \ |
| 742 | " mtc0 %0, $2, 6;" \ |
| 743 | " ehb;" \ |
| 744 | : "+d" (_tc_schedule) \ |
| 745 | : "d" (prio) \ |
| 746 | : \ |
| 747 | ); \ |
| 748 | } \ |
| 749 | if (mt_mask != 0) { \ |
| 750 | __asm__ __volatile__("emt; ehb;":::"memory"); \ |
| 751 | } \ |
| 752 | } \ |
| 753 | _ret; \ |
| 754 | }) |
| 755 | #else |
| 756 | #define KAL_ITC_LOCK_TRY_DI_DMT_PRIO(lock, irq_maski, mt_mask, prio) \ |
| 757 | ({ \ |
| 758 | kal_status _ret = 0; \ |
| 759 | kal_uint32 _new_prio = KAL_ITC_GRP; \ |
| 760 | __asm__ __volatile__( \ |
| 761 | " .set push;" \ |
| 762 | " .set noreorder;" \ |
| 763 | " mfc0 %4, $2, 6;" \ |
| 764 | " move %1, %4;" \ |
| 765 | " ins %1, %6, 0, 2;" \ |
| 766 | " ext %4, %4, 0, 2;" \ |
| 767 | " dmt %3;" \ |
| 768 | " ehb;" \ |
| 769 | " mtc0 %1, $2, 6;" \ |
| 770 | " ehb;" \ |
| 771 | " di %2;" \ |
| 772 | " ehb;" \ |
| 773 | " ext %3, %3, 15, 1;" \ |
| 774 | " ext %2, %2, 0, 1;" \ |
| 775 | " ll %1, %5;" \ |
| 776 | " bnez %1, 1f;" \ |
| 777 | " li %1, 0;" \ |
| 778 | " li %1, 1;" \ |
| 779 | " sc %1, %0;" \ |
| 780 | "1: ;" \ |
| 781 | " .set pop;" \ |
| 782 | : "=ZC" (lock), "+d" (_ret), "+d" (irq_mask), "+d" (mt_mask), "+d" (prio) \ |
| 783 | : "ZC" (lock), "d" (_new_prio) \ |
| 784 | : "memory" \ |
| 785 | ); \ |
| 786 | if (_ret != 0) { \ |
| 787 | _ret = KAL_SUCCESS; \ |
| 788 | } else { \ |
| 789 | _ret = KAL_ERROR; \ |
| 790 | if (irq_mask != 0) { \ |
| 791 | __asm__ __volatile__("ei; ehb;":::"memory"); \ |
| 792 | } \ |
| 793 | if (prio != KAL_ITC_GRP) { \ |
| 794 | kal_uint32 _tc_schedule = 0; \ |
| 795 | __asm__ __volatile__( \ |
| 796 | " mfc0 %0, $2, 6;" \ |
| 797 | " ins %0, %1, 0, 2;" \ |
| 798 | " mtc0 %0, $2, 6;" \ |
| 799 | " ehb;" \ |
| 800 | : "+d" (_tc_schedule) \ |
| 801 | : "d" (prio) \ |
| 802 | : \ |
| 803 | ); \ |
| 804 | } \ |
| 805 | if (mt_mask != 0) { \ |
| 806 | __asm__ __volatile__("emt; ehb;":::"memory"); \ |
| 807 | } \ |
| 808 | } \ |
| 809 | _ret; \ |
| 810 | }) |
| 811 | #endif |
| 812 | /* Primitive macro for trying the lock ticket based, return success or fail */ |
| 813 | #if defined(__mips16) || defined(__nanomips__) |
| 814 | #define KAL_ITC_LOCK_TRY_FIFO(lock, ticket) \ |
| 815 | ({ \ |
| 816 | kal_status _ret = 0; \ |
| 817 | __asm__ __volatile__( \ |
| 818 | " ll $a3, %2;" \ |
| 819 | " li %0, %3;" \ |
| 820 | " bne %1, $a3, 1f;" \ |
| 821 | " li %0, %4;" \ |
| 822 | "1: ;" \ |
| 823 | : "=d"(_ret), "+d"(ticket) \ |
| 824 | : "ZC"(lock), "I"(KAL_ERROR), "I"(KAL_SUCCESS) \ |
| 825 | : "$a3", "memory"); \ |
| 826 | _ret; \ |
| 827 | }) |
| 828 | #else |
| 829 | #define KAL_ITC_LOCK_TRY_FIFO(lock, ticket) \ |
| 830 | ({ \ |
| 831 | kal_status _ret = 0; \ |
| 832 | __asm__ __volatile__( \ |
| 833 | " .set push;" \ |
| 834 | " .set noreorder;" \ |
| 835 | " ll $a3, %2;" \ |
| 836 | " bne %1, $a3, 1f;" \ |
| 837 | " li %0, %3;" \ |
| 838 | " li %0, %4;" \ |
| 839 | "1: ;" \ |
| 840 | " .set pop;" \ |
| 841 | : "=d"(_ret), "+d"(ticket) \ |
| 842 | : "ZC"(lock), "I"(KAL_ERROR), "I"(KAL_SUCCESS) \ |
| 843 | : "$a3", "memory"); \ |
| 844 | _ret; \ |
| 845 | }) |
| 846 | #endif |
| 847 | |
| 848 | /* Primitive macro for releasing the lock */ |
| 849 | #if defined(__mips16) |
| 850 | #define KAL_ITC_LOCK_GIVE(lock) \ |
| 851 | do { \ |
| 852 | __asm__ __volatile__( \ |
| 853 | " sync 0x10;" \ |
| 854 | " li $a3, 0;" \ |
| 855 | " sw $a3, %0;" \ |
| 856 | : "=ZC"(lock) \ |
| 857 | : \ |
| 858 | : "$a3", "memory"); \ |
| 859 | } while (0) |
| 860 | #else |
| 861 | #define KAL_ITC_LOCK_GIVE(lock) \ |
| 862 | do { \ |
| 863 | __asm__ __volatile__( \ |
| 864 | " sync 0x10;" \ |
| 865 | " sw $zero, %0;" \ |
| 866 | : "=ZC"(lock) \ |
| 867 | : \ |
| 868 | : "memory"); \ |
| 869 | } while (0) |
| 870 | #endif |
| 871 | |
| 872 | /* Primitive macro for releasing the lock, |
| 873 | * does enable interrupts based on irq_mask*/ |
| 874 | #if defined(__mips16) |
| 875 | #define KAL_ITC_LOCK_GIVE_EI(lock, irq_mask) \ |
| 876 | do { \ |
| 877 | __asm__ __volatile__( \ |
| 878 | " sync 0x10;" \ |
| 879 | " li $a3, 0;" \ |
| 880 | " sw $a3, %0;" \ |
| 881 | : "=ZC"(lock) \ |
| 882 | : \ |
| 883 | : "$a3", "memory"); \ |
| 884 | if (irq_mask != 0) { \ |
| 885 | __asm__ __volatile__("ei; ehb;" ::: "memory"); \ |
| 886 | } \ |
| 887 | } while (0) |
| 888 | #else |
| 889 | #define KAL_ITC_LOCK_GIVE_EI(lock, irq_mask) \ |
| 890 | do { \ |
| 891 | __asm__ __volatile__( \ |
| 892 | " sync 0x10;" \ |
| 893 | " sw $zero, %0;" \ |
| 894 | : "=ZC"(lock) \ |
| 895 | : \ |
| 896 | : "memory"); \ |
| 897 | if (irq_mask != 0) { \ |
| 898 | __asm__ __volatile__("ei; ehb;" ::: "memory"); \ |
| 899 | } \ |
| 900 | } while (0) |
| 901 | #endif |
| 902 | |
| 903 | /* Primitive macro for releasing the lock, |
| 904 | * does enable interrupts based on irq_mask, and MT based on mt_mask*/ |
| 905 | #if defined(__mips16) |
| 906 | #define KAL_ITC_LOCK_GIVE_EI_EMT(lock, irq_mask, mt_mask) \ |
| 907 | do { \ |
| 908 | __asm__ __volatile__( \ |
| 909 | " sync 0x10;" \ |
| 910 | " li $a3, 0;" \ |
| 911 | " sw $a3, %0;" \ |
| 912 | : "=ZC" (lock) \ |
| 913 | : \ |
| 914 | : "$a3", "memory" \ |
| 915 | ); \ |
| 916 | if (irq_mask != 0) { \ |
| 917 | __asm__ __volatile__("ei; ehb;":::"memory"); \ |
| 918 | } \ |
| 919 | if (mt_mask != 0) { \ |
| 920 | __asm__ __volatile__("emt; ehb;":::"memory"); \ |
| 921 | } \ |
| 922 | } while(0) |
| 923 | #else |
| 924 | #define KAL_ITC_LOCK_GIVE_EI_EMT(lock, irq_mask, mt_mask) \ |
| 925 | do { \ |
| 926 | __asm__ __volatile__( \ |
| 927 | " sync 0x10;" \ |
| 928 | " sw $zero, %0;" \ |
| 929 | : "=ZC" (lock) \ |
| 930 | : \ |
| 931 | : "memory" \ |
| 932 | ); \ |
| 933 | if (irq_mask != 0) { \ |
| 934 | __asm__ __volatile__("ei; ehb;":::"memory"); \ |
| 935 | } \ |
| 936 | if (mt_mask != 0) { \ |
| 937 | __asm__ __volatile__("emt; ehb;":::"memory"); \ |
| 938 | } \ |
| 939 | } while(0) |
| 940 | #endif |
| 941 | |
| 942 | /* Primitive macro for releasing the lock, |
| 943 | * does enable interrupts based on irq_mask, MT based on mt_mask, and TC priority based |
| 944 | * on old_prio*/ |
| 945 | #if defined(__nanomips__) |
| 946 | #define KAL_ITC_LOCK_GIVE_EI_EMT_PRIO(lock, irq_mask, mt_mask, old_prio) \ |
| 947 | do { \ |
| 948 | __asm__ __volatile__( \ |
| 949 | " sync 0x10;" \ |
| 950 | " sw $zero, %0;" \ |
| 951 | : "=ZC" (lock) \ |
| 952 | : \ |
| 953 | : "memory" \ |
| 954 | ); \ |
| 955 | if (irq_mask != 0) { \ |
| 956 | __asm__ __volatile__("ei; ehb;":::"memory"); \ |
| 957 | } \ |
| 958 | if (old_prio != KAL_ITC_GRP) { \ |
| 959 | kal_uint32 _tc_schedule = 0; \ |
| 960 | __asm__ __volatile__( \ |
| 961 | " mfc0 %0, $2, 6;" \ |
| 962 | " ins %0, %1, 2, 2;" \ |
| 963 | " mtc0 %0, $2, 6;" \ |
| 964 | " ehb;" \ |
| 965 | : "+d" (_tc_schedule) \ |
| 966 | : "d" (old_prio) \ |
| 967 | : \ |
| 968 | ); \ |
| 969 | } \ |
| 970 | if (mt_mask != 0) { \ |
| 971 | __asm__ __volatile__("emt; ehb;":::"memory"); \ |
| 972 | } \ |
| 973 | } while(0) |
| 974 | #elif defined(__mips16) |
| 975 | #define KAL_ITC_LOCK_GIVE_EI_EMT_PRIO(lock, irq_mask, mt_mask, old_prio) \ |
| 976 | do { \ |
| 977 | __asm__ __volatile__( \ |
| 978 | " sync 0x10;" \ |
| 979 | " li $a3, 0;" \ |
| 980 | " sw $a3, %0;" \ |
| 981 | : "=ZC" (lock) \ |
| 982 | : \ |
| 983 | : "$a3", "memory" \ |
| 984 | ); \ |
| 985 | if (irq_mask != 0) { \ |
| 986 | __asm__ __volatile__("ei; ehb;":::"memory"); \ |
| 987 | } \ |
| 988 | if (old_prio != KAL_ITC_GRP) { \ |
| 989 | kal_uint32 _tc_schedule = 0; \ |
| 990 | __asm__ __volatile__( \ |
| 991 | " mfc0 %0, $2, 6;" \ |
| 992 | " ins %0, %1, 0, 2;" \ |
| 993 | " mtc0 %0, $2, 6;" \ |
| 994 | " ehb;" \ |
| 995 | : "+d" (_tc_schedule) \ |
| 996 | : "d" (old_prio) \ |
| 997 | : \ |
| 998 | ); \ |
| 999 | } \ |
| 1000 | if (mt_mask != 0) { \ |
| 1001 | __asm__ __volatile__("emt; ehb;":::"memory"); \ |
| 1002 | } \ |
| 1003 | } while(0) |
| 1004 | #else |
| 1005 | #define KAL_ITC_LOCK_GIVE_EI_EMT_PRIO(lock, irq_mask, mt_mask, old_prio) \ |
| 1006 | do { \ |
| 1007 | __asm__ __volatile__( \ |
| 1008 | " sync 0x10;" \ |
| 1009 | " sw $zero, %0;" \ |
| 1010 | : "=ZC" (lock) \ |
| 1011 | : \ |
| 1012 | : "memory" \ |
| 1013 | ); \ |
| 1014 | if (irq_mask != 0) { \ |
| 1015 | __asm__ __volatile__("ei; ehb;":::"memory"); \ |
| 1016 | } \ |
| 1017 | if (old_prio != KAL_ITC_GRP) { \ |
| 1018 | kal_uint32 _tc_schedule = 0; \ |
| 1019 | __asm__ __volatile__( \ |
| 1020 | " mfc0 %0, $2, 6;" \ |
| 1021 | " ins %0, %1, 0, 2;" \ |
| 1022 | " mtc0 %0, $2, 6;" \ |
| 1023 | " ehb;" \ |
| 1024 | : "+d" (_tc_schedule) \ |
| 1025 | : "d" (old_prio) \ |
| 1026 | : \ |
| 1027 | ); \ |
| 1028 | } \ |
| 1029 | if (mt_mask != 0) { \ |
| 1030 | __asm__ __volatile__("emt; ehb;":::"memory"); \ |
| 1031 | } \ |
| 1032 | } while(0) |
| 1033 | #endif |
| 1034 | |
| 1035 | /* Primitive macro for releasing the lock ticket based */ |
| 1036 | #define KAL_ITC_LOCK_GIVE_FIFO(lock) \ |
| 1037 | do { \ |
| 1038 | __asm__ __volatile__("sync 0x10;" ::: "memory"); \ |
| 1039 | (lock)++; \ |
| 1040 | } while (0) |
| 1041 | |
| 1042 | #define KAL_ITC_PAUSE() \ |
| 1043 | do { \ |
| 1044 | __asm__ __volatile__("pause;" ::: "memory"); \ |
| 1045 | } while (0) |
| 1046 | |
| 1047 | /******************************************************************************* |
| 1048 | * Types |
| 1049 | *******************************************************************************/ |
| 1050 | typedef struct kal_itc_node_struct { |
| 1051 | struct kal_itc_node_struct *next; |
| 1052 | struct kal_itc_node_struct *prev; |
| 1053 | } kal_itc_node_s; |
| 1054 | |
| 1055 | typedef struct { |
| 1056 | kal_itc_node_s lock_node; |
| 1057 | kal_uint32 lock_id; |
| 1058 | kal_uint32 lock; |
| 1059 | kal_uint32 interrupt_mask; |
| 1060 | kal_char name[KAL_ITC_MAX_NAME]; |
| 1061 | void * owner_context; |
| 1062 | kal_uint32 nesting_level; |
| 1063 | #if defined(DEBUG_KAL) |
| 1064 | kal_uint32 lock_start_time; |
| 1065 | kal_uint32 lock_taker; |
| 1066 | kal_uint32 max_lock_hold_time; |
| 1067 | kal_uint32 max_lock_taker; |
| 1068 | #endif |
| 1069 | } kal_itc_lock_s; |
| 1070 | |
| 1071 | /******************************************************************************* |
| 1072 | * Variables |
| 1073 | *******************************************************************************/ |
| 1074 | extern kal_itc_lock_s *kal_itc_tbl[KAL_ITC_NUM]; |
| 1075 | extern kal_uint32 kal_tc_prio_count[SYS_MCU_NUM_TC]; |
| 1076 | extern kal_uint32 kal_tc_prio_save[SYS_MCU_NUM_TC]; |
| 1077 | |
| 1078 | #endif //_KAL_ITC_H |