diff options
Diffstat (limited to 'arch/arm/mm/cache-v4.S')
| -rw-r--r-- | arch/arm/mm/cache-v4.S | 55 |
1 files changed, 28 insertions, 27 deletions
diff --git a/arch/arm/mm/cache-v4.S b/arch/arm/mm/cache-v4.S index 7787057e4990..0e94e5193dbd 100644 --- a/arch/arm/mm/cache-v4.S +++ b/arch/arm/mm/cache-v4.S @@ -6,6 +6,7 @@ */ #include <linux/linkage.h> #include <linux/init.h> +#include <linux/cfi_types.h> #include <asm/assembler.h> #include <asm/page.h> #include "proc-macros.S" @@ -15,9 +16,9 @@ * * Unconditionally clean and invalidate the entire icache. */ -ENTRY(v4_flush_icache_all) +SYM_TYPED_FUNC_START(v4_flush_icache_all) ret lr -ENDPROC(v4_flush_icache_all) +SYM_FUNC_END(v4_flush_icache_all) /* * flush_user_cache_all() @@ -27,21 +28,22 @@ ENDPROC(v4_flush_icache_all) * * - mm - mm_struct describing address space */ -ENTRY(v4_flush_user_cache_all) - /* FALLTHROUGH */ +SYM_FUNC_ALIAS(v4_flush_user_cache_all, v4_flush_kern_cache_all) + /* * flush_kern_cache_all() * * Clean and invalidate the entire cache. */ -ENTRY(v4_flush_kern_cache_all) +SYM_TYPED_FUNC_START(v4_flush_kern_cache_all) #ifdef CONFIG_CPU_CP15 mov r0, #0 mcr p15, 0, r0, c7, c7, 0 @ flush ID cache ret lr #else - /* FALLTHROUGH */ + ret lr #endif +SYM_FUNC_END(v4_flush_kern_cache_all) /* * flush_user_cache_range(start, end, flags) @@ -53,14 +55,15 @@ ENTRY(v4_flush_kern_cache_all) * - end - end address (exclusive, may not be aligned) * - flags - vma_area_struct flags describing address space */ -ENTRY(v4_flush_user_cache_range) +SYM_TYPED_FUNC_START(v4_flush_user_cache_range) #ifdef CONFIG_CPU_CP15 mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ flush ID cache ret lr #else - /* FALLTHROUGH */ + ret lr #endif +SYM_FUNC_END(v4_flush_user_cache_range) /* * coherent_kern_range(start, end) @@ -72,8 +75,9 @@ ENTRY(v4_flush_user_cache_range) * - start - virtual start address * - end - virtual end address */ -ENTRY(v4_coherent_kern_range) - /* FALLTHROUGH */ +SYM_TYPED_FUNC_START(v4_coherent_kern_range) + ret lr +SYM_FUNC_END(v4_coherent_kern_range) /* * coherent_user_range(start, end) @@ -85,9 +89,10 @@ ENTRY(v4_coherent_kern_range) * - start - virtual start address * - end - virtual end address */ -ENTRY(v4_coherent_user_range) +SYM_TYPED_FUNC_START(v4_coherent_user_range) mov r0, #0 ret lr +SYM_FUNC_END(v4_coherent_user_range) /* * flush_kern_dcache_area(void *addr, size_t size) @@ -98,8 +103,11 @@ ENTRY(v4_coherent_user_range) * - addr - kernel address * - size - region size */ -ENTRY(v4_flush_kern_dcache_area) - /* FALLTHROUGH */ +SYM_TYPED_FUNC_START(v4_flush_kern_dcache_area) +#ifdef CONFIG_CFI_CLANG /* Fallthrough if !CFI */ + b v4_dma_flush_range +#endif +SYM_FUNC_END(v4_flush_kern_dcache_area) /* * dma_flush_range(start, end) @@ -109,12 +117,13 @@ ENTRY(v4_flush_kern_dcache_area) * - start - virtual start address * - end - virtual end address */ -ENTRY(v4_dma_flush_range) +SYM_TYPED_FUNC_START(v4_dma_flush_range) #ifdef CONFIG_CPU_CP15 mov r0, #0 mcr p15, 0, r0, c7, c7, 0 @ flush ID cache #endif ret lr +SYM_FUNC_END(v4_dma_flush_range) /* * dma_unmap_area(start, size, dir) @@ -122,10 +131,11 @@ ENTRY(v4_dma_flush_range) * - size - size of region * - dir - DMA direction */ -ENTRY(v4_dma_unmap_area) +SYM_TYPED_FUNC_START(v4_dma_unmap_area) teq r2, #DMA_TO_DEVICE bne v4_dma_flush_range - /* FALLTHROUGH */ + ret lr +SYM_FUNC_END(v4_dma_unmap_area) /* * dma_map_area(start, size, dir) @@ -133,15 +143,6 @@ ENTRY(v4_dma_unmap_area) * - size - size of region * - dir - DMA direction */ -ENTRY(v4_dma_map_area) +SYM_TYPED_FUNC_START(v4_dma_map_area) ret lr -ENDPROC(v4_dma_unmap_area) -ENDPROC(v4_dma_map_area) - - .globl v4_flush_kern_cache_louis - .equ v4_flush_kern_cache_louis, v4_flush_kern_cache_all - - __INITDATA - - @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) - define_cache_functions v4 +SYM_FUNC_END(v4_dma_map_area) |