xref: /linux-6.3-rc2/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
8ENTRY(nop_flush_icache_all)
9	ret	lr
10ENDPROC(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
27ENTRY(nop_coherent_user_range)
28	mov	r0, 0
29	ret	lr
30ENDPROC(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

Last Index update Sun Aug 20 00:18:20 CST 2023