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 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, size_t 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, size_t length); 73 74 extern void CleanPoU_DcacheRegion(vm_offset_t va, size_t length); 75 76 extern void FlushPoC_Dcache(void); 77 extern void FlushPoU_Dcache(void); 78 extern void FlushPoC_DcacheRegion(vm_offset_t va, size_t 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, size_t length); 84 #endif 85 86 extern void InvalidatePoU_Icache(void); 87 extern void InvalidatePoU_IcacheRegion(vm_offset_t va, size_t 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 */ 102