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 <arm64/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 39 extern void enable_dc_mva_ops(void); 40 extern void disable_dc_mva_ops(void); 41 42 extern void flush_dcache(vm_offset_t addr, unsigned count, int phys); 43 extern void flush_dcache64(addr64_t addr, unsigned count, int phys); 44 extern void invalidate_icache(vm_offset_t addr, unsigned cnt, int phys); 45 extern void invalidate_icache64(addr64_t addr, unsigned cnt, int phys); 46 47 #if defined(ARMA7) 48 #define LWFlush 1 49 #define LWClean 2 50 extern void cache_xcall(unsigned int op); 51 extern void cache_xcall_handler(unsigned int op); 52 #endif 53 #endif 54 extern void clean_dcache(vm_offset_t addr, unsigned count, int phys); 55 extern void clean_dcache64(addr64_t addr, unsigned count, int phys); 56 57 extern void CleanPoC_Dcache(void); 58 extern void CleanPoU_Dcache(void); 59 60 /* 61 * May not actually perform a flush on platforms 62 * where AP caches are snooped by all agents on SoC. 63 * 64 * This is the one you need unless you really know what 65 * you're doing. 66 */ 67 extern void CleanPoC_DcacheRegion(vm_offset_t va, size_t length); 68 69 /* 70 * Always actually flushes the cache, even on platforms 71 * where AP caches are snooped by all agents. You 72 * probably don't need to use this. Intended for use in 73 * panic save routine (where caches will be yanked by reset 74 * and coherency doesn't help). 75 */ 76 extern void CleanPoC_DcacheRegion_Force(vm_offset_t va, size_t length); 77 78 extern void CleanPoU_DcacheRegion(vm_offset_t va, size_t length); 79 80 extern void FlushPoC_Dcache(void); 81 extern void FlushPoU_Dcache(void); 82 extern void FlushPoC_DcacheRegion(vm_offset_t va, size_t length); 83 84 extern void InvalidatePoU_Icache(void); 85 extern void InvalidatePoU_IcacheRegion(vm_offset_t va, size_t length); 86 87 extern void cache_sync_page(ppnum_t pp); 88 89 extern void platform_cache_init(void); 90 extern void platform_cache_idle_enter(void); 91 extern void platform_cache_flush(void); 92 extern boolean_t platform_cache_batch_wimg(unsigned int new_wimg, unsigned int size); 93 extern void platform_cache_flush_wimg(unsigned int new_wimg); 94 extern void platform_cache_clean(void); 95 extern void platform_cache_shutdown(void); 96 extern void platform_cache_disable(void); 97 98 #endif /* #ifndef _ARM_CACHES_INTERNAL */ 99