2 * linux/arch/arm/mm/proc-v7.S
4 * Copyright (C) 2001 Deep Blue Solutions Ltd.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * This is the "shell" of the ARMv7 processor support.
12 #include <linux/init.h>
13 #include <linux/linkage.h>
14 #include <asm/assembler.h>
15 #include <asm/asm-offsets.h>
16 #include <asm/hwcap.h>
17 #include <asm/pgtable-hwdef.h>
18 #include <asm/pgtable.h>
20 #include "proc-macros.S"
22 #ifdef CONFIG_ARM_LPAE
23 #include "proc-v7-3level.S"
25 #include "proc-v7-2level.S"
28 ENTRY(cpu_v7_proc_init)
30 ENDPROC(cpu_v7_proc_init)
32 ENTRY(cpu_v7_proc_fin)
33 mrc p15, 0, r0, c1, c0, 0 @ ctrl register
34 bic r0, r0, #0x1000 @ ...i............
35 bic r0, r0, #0x0006 @ .............ca.
36 mcr p15, 0, r0, c1, c0, 0 @ disable caches
38 ENDPROC(cpu_v7_proc_fin)
43 * Perform a soft reset of the system. Put the CPU into the
44 * same state as it would be if it had been reset, and branch
45 * to what would be the reset vector.
47 * - loc - location to jump to for soft reset
49 * This code must be executed using a flat identity mapping with
53 .pushsection .idmap.text, "ax"
55 mrc p15, 0, r1, c1, c0, 0 @ ctrl register
56 bic r1, r1, #0x1 @ ...............m
57 THUMB( bic r1, r1, #1 << 30 ) @ SCTLR.TE (Thumb exceptions)
58 mcr p15, 0, r1, c1, c0, 0 @ disable MMU
67 * Idle the processor (eg, wait for interrupt).
69 * IRQs are already disabled.
72 dsb @ WFI may enter a low-power mode
75 ENDPROC(cpu_v7_do_idle)
77 ENTRY(cpu_v7_dcache_clean_area)
78 ALT_SMP(W(nop)) @ MP extensions imply L1 PTW
81 1: dcache_line_size r2, r3
82 2: mcr p15, 0, r0, c7, c10, 1 @ clean D entry
88 ENDPROC(cpu_v7_dcache_clean_area)
90 string cpu_v7_name, "ARMv7 Processor"
93 /* Suspend/resume support: derived from arch/arm/mach-s5pv210/sleep.S */
94 .globl cpu_v7_suspend_size
95 .equ cpu_v7_suspend_size, 4 * 9
96 #ifdef CONFIG_ARM_CPU_SUSPEND
97 ENTRY(cpu_v7_do_suspend)
98 stmfd sp!, {r4 - r10, lr}
99 mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID
100 mrc p15, 0, r5, c13, c0, 3 @ User r/o thread ID
103 mrc p15, 0, r6, c3, c0, 0 @ Domain ID
104 #ifdef CONFIG_ARM_LPAE
105 mrrc p15, 1, r5, r7, c2 @ TTB 1
107 mrc p15, 0, r7, c2, c0, 1 @ TTB 1
109 mrc p15, 0, r11, c2, c0, 2 @ TTB control register
111 mrc p15, 0, r8, c1, c0, 0 @ Control register
112 mrc p15, 0, r9, c1, c0, 1 @ Auxiliary control register
113 mrc p15, 0, r10, c1, c0, 2 @ Co-processor access control
115 ldmfd sp!, {r4 - r10, pc}
116 ENDPROC(cpu_v7_do_suspend)
118 ENTRY(cpu_v7_do_resume)
120 mcr p15, 0, ip, c7, c5, 0 @ invalidate I cache
121 mcr p15, 0, ip, c13, c0, 1 @ set reserved context ID
123 mcr p15, 0, r4, c13, c0, 0 @ FCSE/PID
124 mcr p15, 0, r5, c13, c0, 3 @ User r/o thread ID
127 mcr p15, 0, ip, c8, c7, 0 @ invalidate TLBs
128 mcr p15, 0, r6, c3, c0, 0 @ Domain ID
129 #ifdef CONFIG_ARM_LPAE
130 mcrr p15, 0, r1, ip, c2 @ TTB 0
131 mcrr p15, 1, r5, r7, c2 @ TTB 1
133 ALT_SMP(orr r1, r1, #TTB_FLAGS_SMP)
134 ALT_UP(orr r1, r1, #TTB_FLAGS_UP)
135 mcr p15, 0, r1, c2, c0, 0 @ TTB 0
136 mcr p15, 0, r7, c2, c0, 1 @ TTB 1
138 mcr p15, 0, r11, c2, c0, 2 @ TTB control register
141 mcr p15, 0, r4, c10, c2, 0 @ write PRRR
142 mcr p15, 0, r5, c10, c2, 1 @ write NMRR
143 #endif /* CONFIG_MMU */
144 mrc p15, 0, r4, c1, c0, 1 @ Read Auxiliary control register
145 teq r4, r9 @ Is it already set?
146 mcrne p15, 0, r9, c1, c0, 1 @ No, so write it
147 mcr p15, 0, r10, c1, c0, 2 @ Co-processor access control
150 mov r0, r8 @ control register
152 ENDPROC(cpu_v7_do_resume)
158 globl_equ cpu_ca8_proc_init, cpu_v7_proc_init
159 globl_equ cpu_ca8_proc_fin, cpu_v7_proc_fin
160 globl_equ cpu_ca8_reset, cpu_v7_reset
161 globl_equ cpu_ca8_do_idle, cpu_v7_do_idle
162 globl_equ cpu_ca8_dcache_clean_area, cpu_v7_dcache_clean_area
163 globl_equ cpu_ca8_set_pte_ext, cpu_v7_set_pte_ext
164 globl_equ cpu_ca8_suspend_size, cpu_v7_suspend_size
165 #ifdef CONFIG_ARM_CPU_SUSPEND
166 globl_equ cpu_ca8_do_suspend, cpu_v7_do_suspend
167 globl_equ cpu_ca8_do_resume, cpu_v7_do_resume
171 * Cortex-A9 processor functions
173 globl_equ cpu_ca9mp_proc_init, cpu_v7_proc_init
174 globl_equ cpu_ca9mp_proc_fin, cpu_v7_proc_fin
175 globl_equ cpu_ca9mp_reset, cpu_v7_reset
176 globl_equ cpu_ca9mp_do_idle, cpu_v7_do_idle
177 globl_equ cpu_ca9mp_dcache_clean_area, cpu_v7_dcache_clean_area
178 globl_equ cpu_ca9mp_switch_mm, cpu_v7_switch_mm
179 globl_equ cpu_ca9mp_set_pte_ext, cpu_v7_set_pte_ext
180 .globl cpu_ca9mp_suspend_size
181 .equ cpu_ca9mp_suspend_size, cpu_v7_suspend_size + 4 * 2
182 #ifdef CONFIG_ARM_CPU_SUSPEND
183 ENTRY(cpu_ca9mp_do_suspend)
185 mrc p15, 0, r4, c15, c0, 1 @ Diagnostic register
186 mrc p15, 0, r5, c15, c0, 0 @ Power register
190 ENDPROC(cpu_ca9mp_do_suspend)
192 ENTRY(cpu_ca9mp_do_resume)
194 mrc p15, 0, r10, c15, c0, 1 @ Read Diagnostic register
195 teq r4, r10 @ Already restored?
196 mcrne p15, 0, r4, c15, c0, 1 @ No, so restore it
197 mrc p15, 0, r10, c15, c0, 0 @ Read Power register
198 teq r5, r10 @ Already restored?
199 mcrne p15, 0, r5, c15, c0, 0 @ No, so restore it
201 ENDPROC(cpu_ca9mp_do_resume)
204 #ifdef CONFIG_CPU_PJ4B
205 globl_equ cpu_pj4b_switch_mm, cpu_v7_switch_mm
206 globl_equ cpu_pj4b_set_pte_ext, cpu_v7_set_pte_ext
207 globl_equ cpu_pj4b_proc_init, cpu_v7_proc_init
208 globl_equ cpu_pj4b_proc_fin, cpu_v7_proc_fin
209 globl_equ cpu_pj4b_reset, cpu_v7_reset
210 #ifdef CONFIG_PJ4B_ERRATA_4742
211 ENTRY(cpu_pj4b_do_idle)
212 dsb @ WFI may enter a low-power mode
216 ENDPROC(cpu_pj4b_do_idle)
218 globl_equ cpu_pj4b_do_idle, cpu_v7_do_idle
220 globl_equ cpu_pj4b_dcache_clean_area, cpu_v7_dcache_clean_area
221 #ifdef CONFIG_ARM_CPU_SUSPEND
222 ENTRY(cpu_pj4b_do_suspend)
223 stmfd sp!, {r6 - r10}
224 mrc p15, 1, r6, c15, c1, 0 @ save CP15 - extra features
225 mrc p15, 1, r7, c15, c2, 0 @ save CP15 - Aux Func Modes Ctrl 0
226 mrc p15, 1, r8, c15, c1, 2 @ save CP15 - Aux Debug Modes Ctrl 2
227 mrc p15, 1, r9, c15, c1, 1 @ save CP15 - Aux Debug Modes Ctrl 1
228 mrc p15, 0, r10, c9, c14, 0 @ save CP15 - PMC
229 stmia r0!, {r6 - r10}
230 ldmfd sp!, {r6 - r10}
232 ENDPROC(cpu_pj4b_do_suspend)
234 ENTRY(cpu_pj4b_do_resume)
235 ldmia r0!, {r6 - r10}
236 mcr p15, 1, r6, c15, c1, 0 @ restore CP15 - extra features
237 mcr p15, 1, r7, c15, c2, 0 @ restore CP15 - Aux Func Modes Ctrl 0
238 mcr p15, 1, r8, c15, c1, 2 @ restore CP15 - Aux Debug Modes Ctrl 2
239 mcr p15, 1, r9, c15, c1, 1 @ restore CP15 - Aux Debug Modes Ctrl 1
240 mcr p15, 0, r10, c9, c14, 0 @ restore CP15 - PMC
242 ENDPROC(cpu_pj4b_do_resume)
244 .globl cpu_pj4b_suspend_size
245 .equ cpu_pj4b_suspend_size, cpu_v7_suspend_size + 4 * 5
252 * Initialise TLB, Caches, and MMU state ready to switch the MMU
253 * on. Return in r0 the new CP15 C1 control register setting.
255 * This should be able to cover all ARMv7 cores.
257 * It is assumed that:
258 * - cache type register is implemented
263 mov r10, #(1 << 0) @ Cache/TLB ops broadcasting
273 ALT_SMP(mrc p15, 0, r0, c1, c0, 1)
274 ALT_UP(mov r0, #(1 << 6)) @ fake it for UP
275 tst r0, #(1 << 6) @ SMP/nAMP mode enabled?
276 orreq r0, r0, #(1 << 6) @ Enable SMP/nAMP mode
277 orreq r0, r0, r10 @ Enable CPU-specific SMP bits
278 mcreq p15, 0, r0, c1, c0, 1
283 #ifdef CONFIG_CPU_PJ4B
285 /* Auxiliary Debug Modes Control 1 Register */
286 #define PJ4B_STATIC_BP (1 << 2) /* Enable Static BP */
287 #define PJ4B_INTER_PARITY (1 << 8) /* Disable Internal Parity Handling */
288 #define PJ4B_CLEAN_LINE (1 << 16) /* Disable data transfer for clean line */
290 /* Auxiliary Debug Modes Control 2 Register */
291 #define PJ4B_FAST_LDR (1 << 23) /* Disable fast LDR */
292 #define PJ4B_SNOOP_DATA (1 << 25) /* Do not interleave write and snoop data */
293 #define PJ4B_CWF (1 << 27) /* Disable Critical Word First feature */
294 #define PJ4B_OUTSDNG_NC (1 << 29) /* Disable outstanding non cacheable rqst */
295 #define PJ4B_L1_REP_RR (1 << 30) /* L1 replacement - Strict round robin */
296 #define PJ4B_AUX_DBG_CTRL2 (PJ4B_SNOOP_DATA | PJ4B_CWF |\
297 PJ4B_OUTSDNG_NC | PJ4B_L1_REP_RR)
299 /* Auxiliary Functional Modes Control Register 0 */
300 #define PJ4B_SMP_CFB (1 << 1) /* Set SMP mode. Join the coherency fabric */
301 #define PJ4B_L1_PAR_CHK (1 << 2) /* Support L1 parity checking */
302 #define PJ4B_BROADCAST_CACHE (1 << 8) /* Broadcast Cache and TLB maintenance */
304 /* Auxiliary Debug Modes Control 0 Register */
305 #define PJ4B_WFI_WFE (1 << 22) /* WFI/WFE - serve the DVM and back to idle */
307 /* Auxiliary Debug Modes Control 1 Register */
308 mrc p15, 1, r0, c15, c1, 1
309 orr r0, r0, #PJ4B_CLEAN_LINE
310 orr r0, r0, #PJ4B_INTER_PARITY
311 bic r0, r0, #PJ4B_STATIC_BP
312 mcr p15, 1, r0, c15, c1, 1
314 /* Auxiliary Debug Modes Control 2 Register */
315 mrc p15, 1, r0, c15, c1, 2
316 bic r0, r0, #PJ4B_FAST_LDR
317 orr r0, r0, #PJ4B_AUX_DBG_CTRL2
318 mcr p15, 1, r0, c15, c1, 2
320 /* Auxiliary Functional Modes Control Register 0 */
321 mrc p15, 1, r0, c15, c2, 0
323 orr r0, r0, #PJ4B_SMP_CFB
325 orr r0, r0, #PJ4B_L1_PAR_CHK
326 orr r0, r0, #PJ4B_BROADCAST_CACHE
327 mcr p15, 1, r0, c15, c2, 0
329 /* Auxiliary Debug Modes Control 0 Register */
330 mrc p15, 1, r0, c15, c1, 0
331 orr r0, r0, #PJ4B_WFI_WFE
332 mcr p15, 1, r0, c15, c1, 0
334 #endif /* CONFIG_CPU_PJ4B */
337 adr r12, __v7_setup_stack @ the local stack
338 stmia r12, {r0-r5, r7, r9, r11, lr}
339 bl v7_flush_dcache_louis
340 ldmia r12, {r0-r5, r7, r9, r11, lr}
342 mrc p15, 0, r0, c0, c0, 0 @ read main ID register
343 and r10, r0, #0xff000000 @ ARM?
346 and r5, r0, #0x00f00000 @ variant
347 and r6, r0, #0x0000000f @ revision
348 orr r6, r6, r5, lsr #20-4 @ combine variant and revision
349 ubfx r0, r0, #4, #12 @ primary part number
351 /* Cortex-A8 Errata */
352 ldr r10, =0x00000c08 @ Cortex-A8 primary part number
355 #if defined(CONFIG_ARM_ERRATA_430973) && !defined(CONFIG_ARCH_MULTIPLATFORM)
357 teq r5, #0x00100000 @ only present in r1p*
358 mrceq p15, 0, r10, c1, c0, 1 @ read aux control register
359 orreq r10, r10, #(1 << 6) @ set IBE to 1
360 mcreq p15, 0, r10, c1, c0, 1 @ write aux control register
362 #ifdef CONFIG_ARM_ERRATA_458693
363 teq r6, #0x20 @ only present in r2p0
364 mrceq p15, 0, r10, c1, c0, 1 @ read aux control register
365 orreq r10, r10, #(1 << 5) @ set L1NEON to 1
366 orreq r10, r10, #(1 << 9) @ set PLDNOP to 1
367 mcreq p15, 0, r10, c1, c0, 1 @ write aux control register
369 #ifdef CONFIG_ARM_ERRATA_460075
370 teq r6, #0x20 @ only present in r2p0
371 mrceq p15, 1, r10, c9, c0, 2 @ read L2 cache aux ctrl register
373 orreq r10, r10, #(1 << 22) @ set the Write Allocate disable bit
374 mcreq p15, 1, r10, c9, c0, 2 @ write the L2 cache aux ctrl register
378 /* Cortex-A9 Errata */
379 2: ldr r10, =0x00000c09 @ Cortex-A9 primary part number
382 #ifdef CONFIG_ARM_ERRATA_742230
383 cmp r6, #0x22 @ only present up to r2p2
384 mrcle p15, 0, r10, c15, c0, 1 @ read diagnostic register
385 orrle r10, r10, #1 << 4 @ set bit #4
386 mcrle p15, 0, r10, c15, c0, 1 @ write diagnostic register
388 #ifdef CONFIG_ARM_ERRATA_742231
389 teq r6, #0x20 @ present in r2p0
390 teqne r6, #0x21 @ present in r2p1
391 teqne r6, #0x22 @ present in r2p2
392 mrceq p15, 0, r10, c15, c0, 1 @ read diagnostic register
393 orreq r10, r10, #1 << 12 @ set bit #12
394 orreq r10, r10, #1 << 22 @ set bit #22
395 mcreq p15, 0, r10, c15, c0, 1 @ write diagnostic register
397 #ifdef CONFIG_ARM_ERRATA_743622
398 teq r5, #0x00200000 @ only present in r2p*
399 mrceq p15, 0, r10, c15, c0, 1 @ read diagnostic register
400 orreq r10, r10, #1 << 6 @ set bit #6
401 mcreq p15, 0, r10, c15, c0, 1 @ write diagnostic register
403 #if defined(CONFIG_ARM_ERRATA_751472) && defined(CONFIG_SMP)
404 ALT_SMP(cmp r6, #0x30) @ present prior to r3p0
406 mrclt p15, 0, r10, c15, c0, 1 @ read diagnostic register
407 orrlt r10, r10, #1 << 11 @ set bit #11
408 mcrlt p15, 0, r10, c15, c0, 1 @ write diagnostic register
412 /* Cortex-A15 Errata */
413 3: ldr r10, =0x00000c0f @ Cortex-A15 primary part number
417 #ifdef CONFIG_ARM_ERRATA_773022
418 cmp r6, #0x4 @ only present up to r0p4
419 mrcle p15, 0, r10, c1, c0, 1 @ read aux control register
420 orrle r10, r10, #1 << 1 @ disable loop buffer
421 mcrle p15, 0, r10, c1, c0, 1 @ write aux control register
425 mcr p15, 0, r10, c7, c5, 0 @ I+BTB cache invalidate
427 mcr p15, 0, r10, c8, c7, 0 @ invalidate I + D TLBs
428 v7_ttb_setup r10, r4, r8, r5 @ TTBCR, TTBRx setup
431 mcr p15, 0, r5, c10, c2, 0 @ write PRRR
432 mcr p15, 0, r6, c10, c2, 1 @ write NMRR
434 dsb @ Complete invalidations
435 #ifndef CONFIG_ARM_THUMBEE
436 mrc p15, 0, r0, c0, c1, 0 @ read ID_PFR0 for ThumbEE
437 and r0, r0, #(0xf << 12) @ ThumbEE enabled field
438 teq r0, #(1 << 12) @ check if ThumbEE is present
441 mcr p14, 6, r5, c1, c0, 0 @ Initialize TEEHBR to 0
442 mrc p14, 6, r0, c0, c0, 0 @ load TEECR
443 orr r0, r0, #1 @ set the 1st bit in order to
444 mcr p14, 6, r0, c0, c0, 0 @ stop userspace TEEHBR access
449 ARM_BE8(orr r6, r6, #1 << 25) @ big-endian page tables
450 #ifdef CONFIG_SWP_EMULATE
451 orr r5, r5, #(1 << 10) @ set SW bit in "clear"
452 bic r6, r6, #(1 << 10) @ clear it in "mmuset"
454 mrc p15, 0, r0, c1, c0, 0 @ read control register
455 bic r0, r0, r5 @ clear bits them
456 orr r0, r0, r6 @ set them
457 THUMB( orr r0, r0, #1 << 30 ) @ Thumb exceptions
458 ret lr @ return to head.S:__ret
463 .space 4 * 11 @ 11 registers
467 @ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
468 define_processor_functions v7, dabort=v7_early_abort, pabort=v7_pabort, suspend=1
469 #ifndef CONFIG_ARM_LPAE
470 define_processor_functions ca8, dabort=v7_early_abort, pabort=v7_pabort, suspend=1
471 define_processor_functions ca9mp, dabort=v7_early_abort, pabort=v7_pabort, suspend=1
473 #ifdef CONFIG_CPU_PJ4B
474 define_processor_functions pj4b, dabort=v7_early_abort, pabort=v7_pabort, suspend=1
479 string cpu_arch_name, "armv7"
480 string cpu_elf_name, "v7"
483 .section ".proc.info.init", #alloc
486 * Standard v7 proc info content
488 .macro __v7_proc name, initfunc, mm_mmuflags = 0, io_mmuflags = 0, hwcaps = 0, proc_fns = v7_processor_functions
489 ALT_SMP(.long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | \
490 PMD_SECT_AF | PMD_FLAGS_SMP | \mm_mmuflags)
491 ALT_UP(.long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | \
492 PMD_SECT_AF | PMD_FLAGS_UP | \mm_mmuflags)
493 .long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | \
494 PMD_SECT_AP_READ | PMD_SECT_AF | \io_mmuflags
495 initfn \initfunc, \name
498 .long HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB | HWCAP_FAST_MULT | \
499 HWCAP_EDSP | HWCAP_TLS | \hwcaps
507 #ifndef CONFIG_ARM_LPAE
509 * ARM Ltd. Cortex A5 processor.
511 .type __v7_ca5mp_proc_info, #object
512 __v7_ca5mp_proc_info:
515 __v7_proc __v7_ca5mp_proc_info, __v7_ca5mp_setup
516 .size __v7_ca5mp_proc_info, . - __v7_ca5mp_proc_info
519 * ARM Ltd. Cortex A9 processor.
521 .type __v7_ca9mp_proc_info, #object
522 __v7_ca9mp_proc_info:
525 __v7_proc __v7_ca9mp_proc_info, __v7_ca9mp_setup, proc_fns = ca9mp_processor_functions
526 .size __v7_ca9mp_proc_info, . - __v7_ca9mp_proc_info
529 * ARM Ltd. Cortex A8 processor.
531 .type __v7_ca8_proc_info, #object
535 __v7_proc __v7_ca8_proc_info, __v7_setup, proc_fns = ca8_processor_functions
536 .size __v7_ca8_proc_info, . - __v7_ca8_proc_info
538 #endif /* CONFIG_ARM_LPAE */
541 * Marvell PJ4B processor.
543 #ifdef CONFIG_CPU_PJ4B
544 .type __v7_pj4b_proc_info, #object
548 __v7_proc __v7_pj4b_proc_info, __v7_pj4b_setup, proc_fns = pj4b_processor_functions
549 .size __v7_pj4b_proc_info, . - __v7_pj4b_proc_info
553 * ARM Ltd. Cortex R7 processor.
555 .type __v7_cr7mp_proc_info, #object
556 __v7_cr7mp_proc_info:
559 __v7_proc __v7_cr7mp_proc_info, __v7_cr7mp_setup
560 .size __v7_cr7mp_proc_info, . - __v7_cr7mp_proc_info
563 * ARM Ltd. Cortex A7 processor.
565 .type __v7_ca7mp_proc_info, #object
566 __v7_ca7mp_proc_info:
569 __v7_proc __v7_ca7mp_proc_info, __v7_ca7mp_setup
570 .size __v7_ca7mp_proc_info, . - __v7_ca7mp_proc_info
573 * ARM Ltd. Cortex A12 processor.
575 .type __v7_ca12mp_proc_info, #object
576 __v7_ca12mp_proc_info:
579 __v7_proc __v7_ca12mp_proc_info, __v7_ca12mp_setup
580 .size __v7_ca12mp_proc_info, . - __v7_ca12mp_proc_info
583 * ARM Ltd. Cortex A15 processor.
585 .type __v7_ca15mp_proc_info, #object
586 __v7_ca15mp_proc_info:
589 __v7_proc __v7_ca15mp_proc_info, __v7_ca15mp_setup
590 .size __v7_ca15mp_proc_info, . - __v7_ca15mp_proc_info
593 * Broadcom Corporation Brahma-B15 processor.
595 .type __v7_b15mp_proc_info, #object
596 __v7_b15mp_proc_info:
599 __v7_proc __v7_b15mp_proc_info, __v7_b15mp_setup
600 .size __v7_b15mp_proc_info, . - __v7_b15mp_proc_info
603 * ARM Ltd. Cortex A17 processor.
605 .type __v7_ca17mp_proc_info, #object
606 __v7_ca17mp_proc_info:
609 __v7_proc __v7_ca17mp_proc_info, __v7_ca17mp_setup
610 .size __v7_ca17mp_proc_info, . - __v7_ca17mp_proc_info
613 * Qualcomm Inc. Krait processors.
615 .type __krait_proc_info, #object
617 .long 0x510f0400 @ Required ID value
618 .long 0xff0ffc00 @ Mask for ID
620 * Some Krait processors don't indicate support for SDIV and UDIV
621 * instructions in the ARM instruction set, even though they actually
622 * do support them. They also don't indicate support for fused multiply
623 * instructions even though they actually do support them.
625 __v7_proc __krait_proc_info, __v7_setup, hwcaps = HWCAP_IDIV | HWCAP_VFPv4
626 .size __krait_proc_info, . - __krait_proc_info
629 * Match any ARMv7 processor core.
631 .type __v7_proc_info, #object
633 .long 0x000f0000 @ Required ID value
634 .long 0x000f0000 @ Mask for ID
635 __v7_proc __v7_proc_info, __v7_setup
636 .size __v7_proc_info, . - __v7_proc_info