osfmk/arm/caches_internal.h

   1 /*
   2  * Copyright (c) 2007 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 #ifndef _ARM_CACHES_INTERNAL
  29 #define _ARM_CACHES_INTERNAL    1
  30
  31 #include <arm/proc_reg.h>
  32
  33 #include <kern/kern_types.h>
  34
  35 extern void flush_dcache_syscall( vm_offset_t addr, unsigned length);
  36
  37 #ifdef MACH_KERNEL_PRIVATE
  38 extern void flush_dcache(vm_offset_t addr, unsigned count, int phys);
  39 extern void flush_dcache64(addr64_t addr, unsigned count, int phys);
  40 extern void invalidate_icache(vm_offset_t addr, unsigned cnt, int phys);
  41 extern void invalidate_icache64(addr64_t addr, unsigned cnt, int phys);
  42
  43 #if     __ARM_SMP__ && defined(ARMA7)
  44 #define LWFlush 1
  45 #define LWClean 2
  46 extern void cache_xcall(unsigned int op);
  47 extern void cache_xcall_handler(unsigned int op);
  48 #endif
  49 #endif
  50 extern void clean_dcache(vm_offset_t addr, unsigned count, int phys);
  51 extern void clean_dcache64(addr64_t addr, unsigned count, int phys);
  52
  53 extern void CleanPoC_Dcache(void);
  54 extern void CleanPoU_Dcache(void);
  55
  56 /*
  57  * May not actually perform a flush on platforms
  58  * where AP caches are snooped by all agents on SoC.
  59  *
  60  * This is the one you need unless you really know what
  61  * you're doing.
  62  */
  63 extern void CleanPoC_DcacheRegion(vm_offset_t va, unsigned length);
  64
  65 /*
  66  * Always actually flushes the cache, even on platforms
  67  * where AP caches are snooped by all agents.  You
  68  * probably don't need to use this.  Intended for use in
  69  * panic save routine (where caches will be yanked by reset
  70  * and coherency doesn't help).
  71  */
  72 extern void CleanPoC_DcacheRegion_Force(vm_offset_t va, unsigned length);
  73
  74 extern void CleanPoU_DcacheRegion(vm_offset_t va, unsigned length);
  75
  76 extern void FlushPoC_Dcache(void);
  77 extern void FlushPoU_Dcache(void);
  78 extern void FlushPoC_DcacheRegion(vm_offset_t va, unsigned length);
  79
  80 #ifdef  __arm__
  81 extern void invalidate_mmu_cache(void);
  82 extern void invalidate_mmu_dcache(void);
  83 extern void invalidate_mmu_dcache_region(vm_offset_t va, unsigned length);
  84 #endif
  85
  86 extern void InvalidatePoU_Icache(void);
  87 extern void InvalidatePoU_IcacheRegion(vm_offset_t va, unsigned length);
  88
  89 extern void cache_sync_page(ppnum_t pp);
  90
  91 extern void platform_cache_init(void);
  92 extern void platform_cache_idle_enter(void);
  93 extern void platform_cache_idle_exit(void);
  94 extern void platform_cache_flush(void);
  95 extern boolean_t platform_cache_batch_wimg(unsigned int new_wimg, unsigned int size);
  96 extern void platform_cache_flush_wimg(unsigned int new_wimg);
  97 extern void platform_cache_clean(void);
  98 extern void platform_cache_shutdown(void);
  99 extern void platform_cache_disable(void);
 100
 101 #endif /* #ifndef _ARM_CACHES_INTERNAL */