diff options
Diffstat (limited to 'arch/arm/mm/proc-arm922.S')
| -rw-r--r-- | arch/arm/mm/proc-arm922.S | 40 |
1 files changed, 24 insertions, 16 deletions
diff --git a/arch/arm/mm/proc-arm922.S b/arch/arm/mm/proc-arm922.S index 53c029dcfd83..ccfff2b65f49 100644 --- a/arch/arm/mm/proc-arm922.S +++ b/arch/arm/mm/proc-arm922.S @@ -14,6 +14,7 @@ */ #include <linux/linkage.h> #include <linux/init.h> +#include <linux/cfi_types.h> #include <linux/pgtable.h> #include <asm/assembler.h> #include <asm/hwcap.h> @@ -105,11 +106,11 @@ ENTRY(cpu_arm922_do_idle) * * Unconditionally clean and invalidate the entire icache. */ -ENTRY(arm922_flush_icache_all) +SYM_TYPED_FUNC_START(arm922_flush_icache_all) mov r0, #0 mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache ret lr -ENDPROC(arm922_flush_icache_all) +SYM_FUNC_END(arm922_flush_icache_all) /* * flush_user_cache_all() @@ -117,15 +118,16 @@ ENDPROC(arm922_flush_icache_all) * Clean and invalidate all cache entries in a particular * address space. */ -ENTRY(arm922_flush_user_cache_all) - /* FALLTHROUGH */ +SYM_TYPED_FUNC_START(arm922_flush_user_cache_all) + b arm922_flush_kern_cache_all +SYM_FUNC_END(arm922_flush_user_cache_all) /* * flush_kern_cache_all() * * Clean and invalidate the entire cache. */ -ENTRY(arm922_flush_kern_cache_all) +SYM_TYPED_FUNC_START(arm922_flush_kern_cache_all) mov r2, #VM_EXEC mov ip, #0 __flush_whole_cache: @@ -140,6 +142,7 @@ __flush_whole_cache: mcrne p15, 0, ip, c7, c5, 0 @ invalidate I cache mcrne p15, 0, ip, c7, c10, 4 @ drain WB ret lr +SYM_FUNC_END(arm922_flush_kern_cache_all) /* * flush_user_cache_range(start, end, flags) @@ -151,7 +154,7 @@ __flush_whole_cache: * - end - end address (exclusive) * - flags - vm_flags describing address space */ -ENTRY(arm922_flush_user_cache_range) +SYM_TYPED_FUNC_START(arm922_flush_user_cache_range) mov ip, #0 sub r3, r1, r0 @ calculate total size cmp r3, #CACHE_DLIMIT @@ -166,6 +169,7 @@ ENTRY(arm922_flush_user_cache_range) tst r2, #VM_EXEC mcrne p15, 0, ip, c7, c10, 4 @ drain WB ret lr +SYM_FUNC_END(arm922_flush_user_cache_range) /* * coherent_kern_range(start, end) @@ -177,8 +181,9 @@ ENTRY(arm922_flush_user_cache_range) * - start - virtual start address * - end - virtual end address */ -ENTRY(arm922_coherent_kern_range) - /* FALLTHROUGH */ +SYM_TYPED_FUNC_START(arm922_coherent_kern_range) + b arm922_coherent_user_range +SYM_FUNC_END(arm922_coherent_kern_range) /* * coherent_user_range(start, end) @@ -190,7 +195,7 @@ ENTRY(arm922_coherent_kern_range) * - start - virtual start address * - end - virtual end address */ -ENTRY(arm922_coherent_user_range) +SYM_TYPED_FUNC_START(arm922_coherent_user_range) bic r0, r0, #CACHE_DLINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry mcr p15, 0, r0, c7, c5, 1 @ invalidate I entry @@ -200,6 +205,7 @@ ENTRY(arm922_coherent_user_range) mcr p15, 0, r0, c7, c10, 4 @ drain WB mov r0, #0 ret lr +SYM_FUNC_END(arm922_coherent_user_range) /* * flush_kern_dcache_area(void *addr, size_t size) @@ -210,7 +216,7 @@ ENTRY(arm922_coherent_user_range) * - addr - kernel address * - size - region size */ -ENTRY(arm922_flush_kern_dcache_area) +SYM_TYPED_FUNC_START(arm922_flush_kern_dcache_area) add r1, r0, r1 1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry add r0, r0, #CACHE_DLINESIZE @@ -220,6 +226,7 @@ ENTRY(arm922_flush_kern_dcache_area) mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache mcr p15, 0, r0, c7, c10, 4 @ drain WB ret lr +SYM_FUNC_END(arm922_flush_kern_dcache_area) /* * dma_inv_range(start, end) @@ -274,7 +281,7 @@ arm922_dma_clean_range: * - start - virtual start address * - end - virtual end address */ -ENTRY(arm922_dma_flush_range) +SYM_TYPED_FUNC_START(arm922_dma_flush_range) bic r0, r0, #CACHE_DLINESIZE - 1 1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry add r0, r0, #CACHE_DLINESIZE @@ -282,6 +289,7 @@ ENTRY(arm922_dma_flush_range) blo 1b mcr p15, 0, r0, c7, c10, 4 @ drain WB ret lr +SYM_FUNC_END(arm922_dma_flush_range) /* * dma_map_area(start, size, dir) @@ -289,13 +297,13 @@ ENTRY(arm922_dma_flush_range) * - size - size of region * - dir - DMA direction */ -ENTRY(arm922_dma_map_area) +SYM_TYPED_FUNC_START(arm922_dma_map_area) add r1, r1, r0 cmp r2, #DMA_TO_DEVICE beq arm922_dma_clean_range bcs arm922_dma_inv_range b arm922_dma_flush_range -ENDPROC(arm922_dma_map_area) +SYM_FUNC_END(arm922_dma_map_area) /* * dma_unmap_area(start, size, dir) @@ -303,17 +311,17 @@ ENDPROC(arm922_dma_map_area) * - size - size of region * - dir - DMA direction */ -ENTRY(arm922_dma_unmap_area) +SYM_TYPED_FUNC_START(arm922_dma_unmap_area) ret lr -ENDPROC(arm922_dma_unmap_area) +SYM_FUNC_END(arm922_dma_unmap_area) .globl arm922_flush_kern_cache_louis .equ arm922_flush_kern_cache_louis, arm922_flush_kern_cache_all @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) define_cache_functions arm922 -#endif +#endif /* !CONFIG_CPU_DCACHE_WRITETHROUGH */ ENTRY(cpu_arm922_dcache_clean_area) #ifndef CONFIG_CPU_DCACHE_WRITETHROUGH |