xref: /kernel/linux/linux-5.10/arch/arm/mm/cache-nop.S
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1 /* SPDX-License-Identifier: GPL-2.0-only */
2 #include <linux/linkage.h>
3 #include <linux/init.h>
4 #include <asm/assembler.h>
5 
6 #include "proc-macros.S"
7 
8 ENTRY(nop_flush_icache_all)
9 	ret	lr
10 ENDPROC(nop_flush_icache_all)
11 
12 	.globl nop_flush_kern_cache_all
13 	.equ nop_flush_kern_cache_all, nop_flush_icache_all
14 
15 	.globl nop_flush_kern_cache_louis
16 	.equ nop_flush_kern_cache_louis, nop_flush_icache_all
17 
18 	.globl nop_flush_user_cache_all
19 	.equ nop_flush_user_cache_all, nop_flush_icache_all
20 
21 	.globl nop_flush_user_cache_range
22 	.equ nop_flush_user_cache_range, nop_flush_icache_all
23 
24 	.globl nop_coherent_kern_range
25 	.equ nop_coherent_kern_range, nop_flush_icache_all
26 
27 ENTRY(nop_coherent_user_range)
28 	mov	r0, 0
29 	ret	lr
30 ENDPROC(nop_coherent_user_range)
31 
32 	.globl nop_flush_kern_dcache_area
33 	.equ nop_flush_kern_dcache_area, nop_flush_icache_all
34 
35 	.globl nop_dma_flush_range
36 	.equ nop_dma_flush_range, nop_flush_icache_all
37 
38 	.globl nop_dma_map_area
39 	.equ nop_dma_map_area, nop_flush_icache_all
40 
41 	.globl nop_dma_unmap_area
42 	.equ nop_dma_unmap_area, nop_flush_icache_all
43 
44 	__INITDATA
45 
46 	@ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S)
47 	define_cache_functions nop
48 

Indexes created Thu Nov 07 10:32:03 CST 2024