1/* SPDX-License-Identifier: GPL-2.0-only */
 
 
 
 
 2#include <linux/linkage.h>
 3#include <linux/init.h>
 4#include <linux/cfi_types.h>
 5#include <asm/assembler.h>
 6
 7#include "proc-macros.S"
 8
 9/*
10 * These are all open-coded instead of aliased, to make clear
11 * what is going on here: all functions are stubbed out.
12 */
13SYM_TYPED_FUNC_START(nop_flush_icache_all)
14	ret	lr
15SYM_FUNC_END(nop_flush_icache_all)
16
17SYM_TYPED_FUNC_START(nop_flush_kern_cache_all)
18	ret	lr
19SYM_FUNC_END(nop_flush_kern_cache_all)
20
21SYM_TYPED_FUNC_START(nop_flush_user_cache_all)
22	ret	lr
23SYM_FUNC_END(nop_flush_user_cache_all)
24
25SYM_TYPED_FUNC_START(nop_flush_user_cache_range)
26	ret	lr
27SYM_FUNC_END(nop_flush_user_cache_range)
28
29SYM_TYPED_FUNC_START(nop_coherent_kern_range)
30	ret	lr
31SYM_FUNC_END(nop_coherent_kern_range)
32
33SYM_TYPED_FUNC_START(nop_coherent_user_range)
 
 
 
34	mov	r0, 0
35	ret	lr
36SYM_FUNC_END(nop_coherent_user_range)
37
38SYM_TYPED_FUNC_START(nop_flush_kern_dcache_area)
39	ret	lr
40SYM_FUNC_END(nop_flush_kern_dcache_area)
41
42SYM_TYPED_FUNC_START(nop_dma_flush_range)
43	ret	lr
44SYM_FUNC_END(nop_dma_flush_range)
45
46SYM_TYPED_FUNC_START(nop_dma_map_area)
47	ret	lr
48SYM_FUNC_END(nop_dma_map_area)
49
50SYM_TYPED_FUNC_START(nop_dma_unmap_area)
51	ret	lr
52SYM_FUNC_END(nop_dma_unmap_area)
 
 
 
 

 1/*
 2 * This program is free software; you can redistribute it and/or modify
 3 * it under the terms of the GNU General Public License version 2 as
 4 * published by the Free Software Foundation.
 5 */
 6#include <linux/linkage.h>
 7#include <linux/init.h>
 
 8#include <asm/assembler.h>
 9
10#include "proc-macros.S"
11
12ENTRY(nop_flush_icache_all)
 
 
 
 
13	ret	lr
14ENDPROC(nop_flush_icache_all)
15
16	.globl nop_flush_kern_cache_all
17	.equ nop_flush_kern_cache_all, nop_flush_icache_all
 
18
19	.globl nop_flush_kern_cache_louis
20	.equ nop_flush_kern_cache_louis, nop_flush_icache_all
 
21
22	.globl nop_flush_user_cache_all
23	.equ nop_flush_user_cache_all, nop_flush_icache_all
 
24
25	.globl nop_flush_user_cache_range
26	.equ nop_flush_user_cache_range, nop_flush_icache_all
 
27
28	.globl nop_coherent_kern_range
29	.equ nop_coherent_kern_range, nop_flush_icache_all
30
31ENTRY(nop_coherent_user_range)
32	mov	r0, 0
33	ret	lr
34ENDPROC(nop_coherent_user_range)
35
36	.globl nop_flush_kern_dcache_area
37	.equ nop_flush_kern_dcache_area, nop_flush_icache_all
 
38
39	.globl nop_dma_flush_range
40	.equ nop_dma_flush_range, nop_flush_icache_all
 
41
42	.globl nop_dma_map_area
43	.equ nop_dma_map_area, nop_flush_icache_all
 
44
45	.globl nop_dma_unmap_area
46	.equ nop_dma_unmap_area, nop_flush_icache_all
47
48	__INITDATA
49
50	@ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S)
51	define_cache_functions nop