diff options
Diffstat (limited to 'arch/arm/mm/cache-nop.S')
| -rw-r--r-- | arch/arm/mm/cache-nop.S | 52 |
1 files changed, 52 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..f68dde201 --- /dev/null +++ b/arch/arm/mm/cache-nop.S @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#include <linux/linkage.h> +#include <linux/init.h> +#include <linux/cfi_types.h> +#include <asm/assembler.h> + +#include "proc-macros.S" + +/* + * These are all open-coded instead of aliased, to make clear + * what is going on here: all functions are stubbed out. + */ +SYM_TYPED_FUNC_START(nop_flush_icache_all) + ret lr +SYM_FUNC_END(nop_flush_icache_all) + +SYM_TYPED_FUNC_START(nop_flush_kern_cache_all) + ret lr +SYM_FUNC_END(nop_flush_kern_cache_all) + +SYM_TYPED_FUNC_START(nop_flush_user_cache_all) + ret lr +SYM_FUNC_END(nop_flush_user_cache_all) + +SYM_TYPED_FUNC_START(nop_flush_user_cache_range) + ret lr +SYM_FUNC_END(nop_flush_user_cache_range) + +SYM_TYPED_FUNC_START(nop_coherent_kern_range) + ret lr +SYM_FUNC_END(nop_coherent_kern_range) + +SYM_TYPED_FUNC_START(nop_coherent_user_range) + mov r0, 0 + ret lr +SYM_FUNC_END(nop_coherent_user_range) + +SYM_TYPED_FUNC_START(nop_flush_kern_dcache_area) + ret lr +SYM_FUNC_END(nop_flush_kern_dcache_area) + +SYM_TYPED_FUNC_START(nop_dma_flush_range) + ret lr +SYM_FUNC_END(nop_dma_flush_range) + +SYM_TYPED_FUNC_START(nop_dma_map_area) + ret lr +SYM_FUNC_END(nop_dma_map_area) + +SYM_TYPED_FUNC_START(nop_dma_unmap_area) + ret lr +SYM_FUNC_END(nop_dma_unmap_area) |