arm/mm/cache-v4.S

1 /* SPDX-License-Identifier: GPL-2.0-only */
3  *  linux/arch/arm/mm/cache-v4.S
5  *  Copyright (C) 1997-2002 Russell king
11 #include "proc-macros.S"
18 ENTRY(v4_flush_icache_all)
25  *	Invalidate all cache entries in a particular address
28  *	- mm	- mm_struct describing address space
30 ENTRY(v4_flush_user_cache_all)
37 ENTRY(v4_flush_kern_cache_all)
50  *	address space.
52  *	- start - start address (may not be aligned)
53  *	- end	- end address (exclusive, may not be aligned)
54  *	- flags	- vma_area_struct flags describing address space
56 ENTRY(v4_flush_user_cache_range)
69  *	region described by start.  If you have non-snooping
72  *	- start  - virtual start address
73  *	- end	 - virtual end address
75 ENTRY(v4_coherent_kern_range)
82  *	region described by start.  If you have non-snooping
85  *	- start  - virtual start address
86  *	- end	 - virtual end address
88 ENTRY(v4_coherent_user_range)
98  *	- addr	- kernel address
99  *	- size	- region size
101 ENTRY(v4_flush_kern_dcache_area)
107  *	Clean and invalidate the specified virtual address range.
109  *	- start  - virtual start address
110  *	- end	 - virtual end address
112 ENTRY(v4_dma_flush_range)
121  *	- start	- kernel virtual start address
122  *	- size	- size of region
123  *	- dir	- DMA direction
125 ENTRY(v4_dma_unmap_area)
132  *	- start	- kernel virtual start address
133  *	- size	- size of region
134  *	- dir	- DMA direction
136 ENTRY(v4_dma_map_area)
146 	@ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S)