diff options
Diffstat (limited to 'arch/arm/mm/cache-nop.S')
| -rw-r--r-- | arch/arm/mm/cache-nop.S | 61 |
1 files changed, 33 insertions, 28 deletions
diff --git a/arch/arm/mm/cache-nop.S b/arch/arm/mm/cache-nop.S index 72d939ef8798..f68dde2014ee 100644 --- a/arch/arm/mm/cache-nop.S +++ b/arch/arm/mm/cache-nop.S @@ -1,47 +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" -ENTRY(nop_flush_icache_all) +/* + * 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 -ENDPROC(nop_flush_icache_all) +SYM_FUNC_END(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 +SYM_TYPED_FUNC_START(nop_flush_kern_cache_all) + ret lr +SYM_FUNC_END(nop_flush_kern_cache_all) - .globl nop_flush_user_cache_all - .equ nop_flush_user_cache_all, nop_flush_icache_all +SYM_TYPED_FUNC_START(nop_flush_user_cache_all) + ret lr +SYM_FUNC_END(nop_flush_user_cache_all) - .globl nop_flush_user_cache_range - .equ nop_flush_user_cache_range, nop_flush_icache_all +SYM_TYPED_FUNC_START(nop_flush_user_cache_range) + ret lr +SYM_FUNC_END(nop_flush_user_cache_range) - .globl nop_coherent_kern_range - .equ nop_coherent_kern_range, nop_flush_icache_all +SYM_TYPED_FUNC_START(nop_coherent_kern_range) + ret lr +SYM_FUNC_END(nop_coherent_kern_range) -ENTRY(nop_coherent_user_range) +SYM_TYPED_FUNC_START(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 +SYM_FUNC_END(nop_coherent_user_range) - .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 +SYM_TYPED_FUNC_START(nop_flush_kern_dcache_area) + ret lr +SYM_FUNC_END(nop_flush_kern_dcache_area) - .globl nop_dma_unmap_area - .equ nop_dma_unmap_area, nop_flush_icache_all +SYM_TYPED_FUNC_START(nop_dma_flush_range) + ret lr +SYM_FUNC_END(nop_dma_flush_range) - __INITDATA +SYM_TYPED_FUNC_START(nop_dma_map_area) + ret lr +SYM_FUNC_END(nop_dma_map_area) - @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) - define_cache_functions nop +SYM_TYPED_FUNC_START(nop_dma_unmap_area) + ret lr +SYM_FUNC_END(nop_dma_unmap_area) |