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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 | /* * linux/arch/arm/mm/arm1020.S: MMU functions for ARM1020 * * Copyright (C) 2000 ARM Limited * Copyright (C) 2000 Deep Blue Solutions Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * * These are the low level assembler for performing cache and TLB * functions on the arm1020. */ #include <linux/linkage.h> #include <linux/config.h> #include <asm/assembler.h> #include <asm/constants.h> #include <asm/procinfo.h> #include <asm/hardware.h> /* * This is the maximum size of an area which will be invalidated * using the single invalidate entry instructions. Anything larger * than this, and we go for the whole cache. * * This value should be chosen such that we choose the cheapest * alternative. */ #define MAX_AREA_SIZE 32768 /* * the cache line size of the I and D cache */ #define DCACHELINESIZE 32 #define ICACHELINESIZE 32 /* * and the page size */ #define PAGESIZE 4096 .text /* * cpu_arm1020_check_bugs() */ ENTRY(cpu_arm1020_check_bugs) mrs ip, cpsr bic ip, ip, #PSR_F_BIT msr cpsr, ip mov pc, lr /* * cpu_arm1020_proc_init() */ ENTRY(cpu_arm1020_proc_init) mov pc, lr /* * cpu_arm1020_proc_fin() */ ENTRY(cpu_arm1020_proc_fin) stmfd sp!, {lr} mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE msr cpsr_c, ip bl cpu_arm1020_cache_clean_invalidate_all mrc p15, 0, r0, c1, c0, 0 @ ctrl register bic r0, r0, #0x1000 @ ...i............ bic r0, r0, #0x000e @ ............wca. mcr p15, 0, r0, c1, c0, 0 @ disable caches ldmfd sp!, {pc} /* * cpu_arm1020_reset(loc) * * Perform a soft reset of the system. Put the CPU into the * same state as it would be if it had been reset, and branch * to what would be the reset vector. * * loc: location to jump to for soft reset */ .align 5 ENTRY(cpu_arm1020_reset) mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches mcr p15, 0, ip, c7, c10, 4 @ drain WB mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs mrc p15, 0, ip, c1, c0, 0 @ ctrl register bic ip, ip, #0x000f @ ............wcam bic ip, ip, #0x1100 @ ...i...s........ mcr p15, 0, ip, c1, c0, 0 @ ctrl register mov pc, r0 /* * cpu_arm1020_do_idle() */ .align 5 ENTRY(cpu_arm1020_do_idle) mcr p15, 0, r0, c7, c0, 4 @ Wait for interrupt #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 mov r0, r0 #endif mov pc, lr /* ================================= CACHE ================================ */ /* * cpu_arm1020_cache_clean_invalidate_all() * * clean and invalidate all cache lines * * Note: * 1. we should preserve r0 at all times */ .align 5 ENTRY(cpu_arm1020_cache_clean_invalidate_all) mov r2, #1 cpu_arm1020_cache_clean_invalidate_all_r2: #ifdef CONFIG_CPU_ARM1020_D_CACHE_ON mcr p15, 0, ip, c7, c10, 4 mov r1, #0xf @ 16 segments 1: mov r3, #0x3F @ 64 entries 2: mov ip, r3, LSL #26 @ shift up entry orr ip, ip, r1, LSL #5 @ shift in/up index mcr p15, 0, ip, c7, c14, 2 @ Clean & Inval DCache entry mcr p15, 0, ip, c7, c10, 4 @ drain WB #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov ip, ip #endif subs r3, r3, #1 cmp r3, #0 bge 2b @ entries 3F to 0 subs r1, r1, #1 cmp r1, #0 bge 1b @ segments 7 to 0 #endif #ifdef CONFIG_CPU_ARM1020_I_CACHE_ON teq r2, #0 mcrne p15, 0, ip, c7, c5, 0 @ invalidate I cache #endif mcr p15, 0, ip, c7, c10, 4 @ drain WB #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov ip, ip mov ip, ip #endif mov pc, lr /* * cpu_arm1020_cache_clean_invalidate_range(start, end, flags) * * clean and invalidate all cache lines associated with this area of memory * * start: Area start address * end: Area end address * flags: nonzero for I cache as well */ .align 5 ENTRY(cpu_arm1020_cache_clean_invalidate_range) bic r0, r0, #DCACHELINESIZE - 1 sub r3, r1, r0 cmp r3, #MAX_AREA_SIZE bgt cpu_arm1020_cache_clean_invalidate_all_r2 mcr p15, 0, r3, c7, c10, 4 #ifdef CONFIG_CPU_ARM1020_D_CACHE_ON 1: mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D entry mcr p15, 0, r3, c7, c10, 4 @ drain WB add r0, r0, #DCACHELINESIZE mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D entry mcr p15, 0, r3, c7, c10, 4 @ drain WB #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 #endif add r0, r0, #DCACHELINESIZE cmp r0, r1 blt 1b #endif #ifdef CONFIG_CPU_ARM1020_I_CACHE_ON teq r2, #0 movne r0, #0 mcrne p15, 0, r0, c7, c5, 0 @ invalidate I cache #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 mov r0, r0 #endif #endif mov pc, lr /* * cpu_arm1020_flush_ram_page(page) * * clean and invalidate all cache lines associated with this area of memory * * page: page to clean and invalidate */ .align 5 ENTRY(cpu_arm1020_flush_ram_page) mcr p15, 0, r1, c7, c10, 4 #ifdef CONFIG_CPU_ARM1020_D_CACHE_ON mov r1, #PAGESIZE 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry mcr p15, 0, r0, c7, c10, 4 @ drain WB add r0, r0, #DCACHELINESIZE mcr p15, 0, r0, c7, c10, 1 @ clean D entry mcr p15, 0, r0, c7, c10, 4 @ drain WB #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 mov r0, r0 #endif subs r1, r1, #2 * DCACHELINESIZE bne 1b mov r0, #0 #endif #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 mov r0, r0 #endif mov pc, lr /* ================================ D-CACHE =============================== */ /* * cpu_arm1020_dcache_invalidate_range(start, end) * * throw away all D-cached data in specified region without an obligation * to write them back. Note however that we must clean the D-cached entries * around the boundaries if the start and/or end address are not cache * aligned. * * start: virtual start address * end: virtual end address */ .align 5 ENTRY(cpu_arm1020_dcache_invalidate_range) #ifdef CONFIG_CPU_ARM1020_D_CACHE_ON /* D cache are on */ tst r0, #DCACHELINESIZE - 1 bic r0, r0, #DCACHELINESIZE - 1 mcrne p15, 0, r0, c7, c10, 4 mcrne p15, 0, r0, c7, c10, 1 @ clean D entry at start mcrne p15, 0, r0, c7, c10, 4 @ drain WB #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 mov r0, r0 #endif tst r1, #DCACHELINESIZE - 1 mcrne p15, 0, r1, c7, c10, 4 mcrne p15, 0, r1, c7, c10, 1 @ clean D entry at end mcrne p15, 0, r1, c7, c10, 4 @ drain WB #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r1, r1 mov r1, r1 mov r1, r1 #endif 1: mcr p15, 0, r0, c7, c6, 1 @ invalidate D entry #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 #endif add r0, r0, #DCACHELINESIZE cmp r0, r1 blt 1b #else /* D cache off, but still drain the write buffer */ mcr p15, 0, r0, c7, c10, 4 @ Drain write buffer #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 mov r0, r0 #endif #endif mov pc, lr /* * cpu_arm1020_dcache_clean_range(start, end) * * For the specified virtual address range, ensure that all caches contain * clean data, such that peripheral accesses to the physical RAM fetch * correct data. * * start: virtual start address * end: virtual end address */ .align 5 ENTRY(cpu_arm1020_dcache_clean_range) bic r0, r0, #DCACHELINESIZE - 1 sub r3, r1, r0 cmp r3, #MAX_AREA_SIZE bgt cpu_arm1020_cache_clean_invalidate_all_r2 mcr p15, 0, r3, c7, c10, 4 #ifdef CONFIG_CPU_ARM1020_D_CACHE_ON 1: mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D entry mcr p15, 0, r3, c7, c10, 4 @ drain WB add r0, r0, #DCACHELINESIZE mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D entry mcr p15, 0, r3, c7, c10, 4 @ drain WB #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 #endif add r0, r0, #DCACHELINESIZE cmp r0, r1 blt 1b #endif #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 mov r0, r0 #endif mov pc, lr /* * cpu_arm1020_dcache_clean_page(page) * * Cleans a single page of dcache so that if we have any future aliased * mappings, they will be consistent at the time that they are created. * * page: virtual address of page to clean from dcache * * Note: * 1. we don't need to flush the write buffer in this case. * 2. we don't invalidate the entries since when we write the page * out to disk, the entries may get reloaded into the cache. */ .align 5 ENTRY(cpu_arm1020_dcache_clean_page) mov r1, #PAGESIZE mcr p15, 0, r0, c7, c10, 4 #ifdef CONFIG_CPU_ARM1020_D_CACHE_ON 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry (drain is done by TLB fns) mcr p15, 0, r0, c7, c10, 4 @ drain WB #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 #endif add r0, r0, #DCACHELINESIZE mcr p15, 0, r0, c7, c10, 1 @ clean D entry mcr p15, 0, r0, c7, c10, 4 @ drain WB #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 #endif add r0, r0, #DCACHELINESIZE subs r1, r1, #2 * DCACHELINESIZE bhi 1b #endif #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 mov r0, r0 #endif mov pc, lr /* * cpu_arm1020_dcache_clean_entry(addr) * * Clean the specified entry of any caches such that the MMU * translation fetches will obtain correct data. * * addr: cache-unaligned virtual address */ .align 5 ENTRY(cpu_arm1020_dcache_clean_entry) mov r1, #0 mcr p15, 0, r1, c7, c10, 4 #ifdef CONFIG_CPU_ARM1020_D_CACHE_ON mcr p15, 0, r0, c7, c10, 1 @ clean single D entry mcr p15, 0, r1, c7, c10, 4 @ drain WB #endif #ifdef CONFIG_CPU_ARM1020_I_CACHE_ON mcr p15, 0, r1, c7, c5, 1 @ invalidate I entry #endif #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r1, r1 mov r1, r1 #endif mov pc, lr /* ================================ I-CACHE =============================== */ /* * cpu_arm1020_icache_invalidate_range(start, end) * * invalidate a range of virtual addresses from the Icache * * start: virtual start address * end: virtual end address */ .align 5 ENTRY(cpu_arm1020_icache_invalidate_range) 1: mcr p15, 0, r0, c7, c10, 4 #ifdef CONFIG_CPU_ARM1020_D_CACHE_ON mcr p15, 0, r0, c7, c10, 1 @ Clean D entry mcr p15, 0, r0, c7, c10, 4 @ drain WB add r0, r0, #DCACHELINESIZE mcr p15, 0, r0, c7, c10, 1 @ Clean D entry mcr p15, 0, r0, c7, c10, 4 @ drain WB #endif #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 #endif add r0, r0, #DCACHELINESIZE cmp r0, r1 blo 1b ENTRY(cpu_arm1020_icache_invalidate_page) mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 mov r0, r0 #endif mov pc, lr /* =============================== PageTable ============================== */ /* * cpu_arm1020_set_pgd(pgd) * * Set the translation base pointer to be as described by pgd. * * pgd: new page tables */ .align 5 ENTRY(cpu_arm1020_set_pgd) #ifdef CONFIG_CPU_ARM1020_D_CACHE_ON mcr p15, 0, r3, c7, c10, 4 mov r1, #0xF @ 16 segments 1: mov r3, #0x3F @ 64 entries 2: mov ip, r3, LSL #26 @ shift up entry orr ip, ip, r1, LSL #5 @ shift in/up index mcr p15, 0, ip, c7, c14, 2 @ Clean & Inval DCache entry mov ip, #0 mcr p15, 0, ip, c7, c10, 4 #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov ip, ip #endif subs r3, r3, #1 cmp r3, #0 bge 2b @ entries 3F to 0 subs r1, r1, #1 cmp r1, #0 bge 1b @ segments 15 to 0 #endif mov r1, #0 #ifdef CONFIG_CPU_ARM1020_I_CACHE_ON mcr p15, 0, r1, c7, c5, 0 @ invalidate I cache #endif mcr p15, 0, r1, c7, c10, 4 @ drain WB mcr p15, 0, r0, c2, c0, 0 @ load page table pointer mcr p15, 0, r1, c8, c7, 0 @ invalidate I & D TLBs #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov ip, ip mov ip, ip #endif mov pc, lr /* * cpu_arm1020_set_pmd(pmdp, pmd) * * Set a level 1 translation table entry, and clean it out of * any caches such that the MMUs can load it correctly. * * pmdp: pointer to PMD entry * pmd: PMD value to store */ .align 5 ENTRY(cpu_arm1020_set_pmd) #ifdef CONFIG_CPU_ARM1020_FORCE_WRITE_THROUGH eor r2, r1, #0x0a @ C & Section tst r2, #0x0b biceq r1, r1, #4 @ clear bufferable bit #endif str r1, [r0] #ifdef CONFIG_CPU_ARM1020_D_CACHE_ON mcr p15, 0, r0, c7, c10, 4 mcr p15, 0, r0, c7, c10, 1 @ clean D entry (drain is done by TLB fns) #endif mcr p15, 0, r0, c7, c10, 4 @ drain WB #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 mov r0, r0 #endif mov pc, lr /* * cpu_arm1020_set_pte(ptep, pte) * * Set a PTE and flush it out */ .align 5 ENTRY(cpu_arm1020_set_pte) str r1, [r0], #-1024 @ linux version eor r1, r1, #LPTE_PRESENT | LPTE_YOUNG | LPTE_WRITE | LPTE_DIRTY bic r2, r1, #0xff0 bic r2, r2, #3 orr r2, r2, #HPTE_TYPE_SMALL tst r1, #LPTE_USER | LPTE_EXEC @ User or Exec? orrne r2, r2, #HPTE_AP_READ tst r1, #LPTE_WRITE | LPTE_DIRTY @ Write and Dirty? orreq r2, r2, #HPTE_AP_WRITE tst r1, #LPTE_PRESENT | LPTE_YOUNG @ Present and Young? movne r2, #0 #ifdef CONFIG_CPU_ARM1020_FORCE_WRITE_THROUGH eor r3, r1, #0x0a @ C & small page? tst r3, #0x0b biceq r2, r2, #4 #endif str r2, [r0] @ hardware version mov r0, r0 #ifdef CONFIG_CPU_ARM1020_D_CACHE_ON mcr p15, 0, r0, c7, c10, 4 mcr p15, 0, r0, c7, c10, 1 @ clean D entry #endif mcr p15, 0, r0, c7, c10, 4 @ drain WB #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION mov r0, r0 mov r0, r0 #endif mov pc, lr cpu_manu_name: .asciz "ARM/VLSI" ENTRY(cpu_arm1020_name) .ascii "Arm1020" #if defined(CONFIG_CPU_ARM1020_CPU_IDLE) .ascii "s" #endif #if defined(CONFIG_CPU_ARM1020_I_CACHE_ON) .ascii "i" #endif #if defined(CONFIG_CPU_ARM1020_D_CACHE_ON) .ascii "d" #if defined(CONFIG_CPU_ARM1020_FORCE_WRITE_THROUGH) .ascii "(wt)" #else .ascii "(wb)" #endif #endif #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION .ascii "B" #endif #ifdef CONFIG_CPU_ARM1020_ROUND_ROBIN .ascii "RR" #endif .ascii "\0" .align .section ".text.init", #alloc, #execinstr __arm1020_setup: mov r0, #0 mcr p15, 0, r0, c7, c7 @ invalidate I,D caches on v4 mcr p15, 0, r0, c7, c10, 4 @ drain write buffer on v4 mcr p15, 0, r0, c8, c7 @ invalidate I,D TLBs on v4 mcr p15, 0, r4, c2, c0 @ load page table pointer mov r0, #0x1f @ Domains 0, 1 = client mcr p15, 0, r0, c3, c0 @ load domain access register mrc p15, 0, r0, c1, c0 @ get control register v4 /* * Clear out 'unwanted' bits (then put them in if we need them) */ bic r0, r0, #0x0e00 @ ....??r......... bic r0, r0, #0x0002 @ ..............a. bic r0, r0, #0x000c @ W,D bic r0, r0, #0x1000 @ I /* * Turn on what we want */ orr r0, r0, #0x0031 @ ..........DP...M orr r0, r0, #0x0100 @ .......S........ #ifdef CONFIG_CPU_ARM1020_ROUND_ROBIN orr r0, r0, #0x4000 @ .R.............. #endif #ifdef CONFIG_CPU_ARM1020_BRANCH_PREDICTION orr r0, r0, #0x0800 @ ....Z........... #endif #ifdef CONFIG_CPU_ARM1020_D_CACHE_ON orr r0, r0, #0x0004 @ Enable D cache #endif #ifdef CONFIG_CPU_ARM1020_I_CACHE_ON orr r0, r0, #0x1000 @ I Cache on #endif mov pc, lr .text /* * Purpose : Function pointers used to access above functions - all calls * come through these */ .type arm1020_processor_functions, #object arm1020_processor_functions: .word armv4t_early_abort .word cpu_arm1020_check_bugs .word cpu_arm1020_proc_init .word cpu_arm1020_proc_fin .word cpu_arm1020_reset .word cpu_arm1020_do_idle /* cache */ .word cpu_arm1020_cache_clean_invalidate_all .word cpu_arm1020_cache_clean_invalidate_range .word cpu_arm1020_flush_ram_page /* dcache */ .word cpu_arm1020_dcache_invalidate_range .word cpu_arm1020_dcache_clean_range .word cpu_arm1020_dcache_clean_page .word cpu_arm1020_dcache_clean_entry /* icache */ .word cpu_arm1020_icache_invalidate_range .word cpu_arm1020_icache_invalidate_page /* pgtable */ .word cpu_arm1020_set_pgd .word cpu_arm1020_set_pmd .word cpu_arm1020_set_pte /* misc */ .word armv4_clear_user_page .word armv4_copy_user_page .size arm1020_processor_functions, . - arm1020_processor_functions .type cpu_arm1020_info, #object cpu_arm1020_info: .long cpu_manu_name .long cpu_arm1020_name .size cpu_arm1020_info, . - cpu_arm1020_info .type cpu_arch_name, #object cpu_arch_name: .asciz "armv4" .size cpu_arch_name, . - cpu_arch_name .type cpu_elf_name, #object cpu_elf_name: .asciz "v4" .size cpu_elf_name, . - cpu_elf_name .align .section ".proc.info", #alloc, #execinstr .type __arm1020_proc_info,#object __arm1020_proc_info: .long 0x4100a200 .long 0xff00fff0 .long 0x00000c02 @ mmuflags b __arm1020_setup .long cpu_arch_name .long cpu_elf_name .long HWCAP_SWP | HWCAP_HALF | HWCAP_26BIT .long cpu_arm1020_info .long arm1020_processor_functions .long v4wbi_tlb_fns .size __arm1020_proc_info, . - __arm1020_proc_info |