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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/mm/cache-nop.S | |
| parent | Initial commit. (diff) | |
| download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip | |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mm/cache-nop.S')
| -rw-r--r-- | arch/arm/mm/cache-nop.S | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mm/cache-nop.S b/arch/arm/mm/cache-nop.S new file mode 100644 index 000000000..72d939ef8 --- /dev/null +++ b/arch/arm/mm/cache-nop.S @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#include <linux/linkage.h> +#include <linux/init.h> +#include <asm/assembler.h> + +#include "proc-macros.S" + +ENTRY(nop_flush_icache_all) + ret lr +ENDPROC(nop_flush_icache_all) + + .globl nop_flush_kern_cache_all + .equ nop_flush_kern_cache_all, nop_flush_icache_all + + .globl nop_flush_kern_cache_louis + .equ nop_flush_kern_cache_louis, nop_flush_icache_all + + .globl nop_flush_user_cache_all + .equ nop_flush_user_cache_all, nop_flush_icache_all + + .globl nop_flush_user_cache_range + .equ nop_flush_user_cache_range, nop_flush_icache_all + + .globl nop_coherent_kern_range + .equ nop_coherent_kern_range, nop_flush_icache_all + +ENTRY(nop_coherent_user_range) + mov r0, 0 + ret lr +ENDPROC(nop_coherent_user_range) + + .globl nop_flush_kern_dcache_area + .equ nop_flush_kern_dcache_area, nop_flush_icache_all + + .globl nop_dma_flush_range + .equ nop_dma_flush_range, nop_flush_icache_all + + .globl nop_dma_map_area + .equ nop_dma_map_area, nop_flush_icache_all + + .globl nop_dma_unmap_area + .equ nop_dma_unmap_area, nop_flush_icache_all + + __INITDATA + + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) + define_cache_functions nop |