diff options
Diffstat (limited to 'arch/arm/mm/proc-mohawk.S')
| -rw-r--r-- | arch/arm/mm/proc-mohawk.S | 74 |
1 files changed, 41 insertions, 33 deletions
diff --git a/arch/arm/mm/proc-mohawk.S b/arch/arm/mm/proc-mohawk.S index 1645ccaffe96..8e9f38da863a 100644 --- a/arch/arm/mm/proc-mohawk.S +++ b/arch/arm/mm/proc-mohawk.S @@ -9,6 +9,7 @@ #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> @@ -31,18 +32,20 @@ /* * cpu_mohawk_proc_init() */ -ENTRY(cpu_mohawk_proc_init) +SYM_TYPED_FUNC_START(cpu_mohawk_proc_init) ret lr +SYM_FUNC_END(cpu_mohawk_proc_init) /* * cpu_mohawk_proc_fin() */ -ENTRY(cpu_mohawk_proc_fin) +SYM_TYPED_FUNC_START(cpu_mohawk_proc_fin) mrc p15, 0, r0, c1, c0, 0 @ ctrl register bic r0, r0, #0x1800 @ ...iz........... bic r0, r0, #0x0006 @ .............ca. mcr p15, 0, r0, c1, c0, 0 @ disable caches ret lr +SYM_FUNC_END(cpu_mohawk_proc_fin) /* * cpu_mohawk_reset(loc) @@ -57,7 +60,7 @@ ENTRY(cpu_mohawk_proc_fin) */ .align 5 .pushsection .idmap.text, "ax" -ENTRY(cpu_mohawk_reset) +SYM_TYPED_FUNC_START(cpu_mohawk_reset) mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches mcr p15, 0, ip, c7, c10, 4 @ drain WB @@ -67,7 +70,7 @@ ENTRY(cpu_mohawk_reset) bic ip, ip, #0x1100 @ ...i...s........ mcr p15, 0, ip, c1, c0, 0 @ ctrl register ret r0 -ENDPROC(cpu_mohawk_reset) +SYM_FUNC_END(cpu_mohawk_reset) .popsection /* @@ -76,22 +79,23 @@ ENDPROC(cpu_mohawk_reset) * Called with IRQs disabled */ .align 5 -ENTRY(cpu_mohawk_do_idle) +SYM_TYPED_FUNC_START(cpu_mohawk_do_idle) mov r0, #0 mcr p15, 0, r0, c7, c10, 4 @ drain write buffer mcr p15, 0, r0, c7, c0, 4 @ wait for interrupt ret lr +SYM_FUNC_END(cpu_mohawk_do_idle) /* * flush_icache_all() * * Unconditionally clean and invalidate the entire icache. */ -ENTRY(mohawk_flush_icache_all) +SYM_TYPED_FUNC_START(mohawk_flush_icache_all) mov r0, #0 mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache ret lr -ENDPROC(mohawk_flush_icache_all) +SYM_FUNC_END(mohawk_flush_icache_all) /* * flush_user_cache_all() @@ -99,15 +103,14 @@ ENDPROC(mohawk_flush_icache_all) * Clean and invalidate all cache entries in a particular * address space. */ -ENTRY(mohawk_flush_user_cache_all) - /* FALLTHROUGH */ +SYM_FUNC_ALIAS(mohawk_flush_user_cache_all, mohawk_flush_kern_cache_all) /* * flush_kern_cache_all() * * Clean and invalidate the entire cache. */ -ENTRY(mohawk_flush_kern_cache_all) +SYM_TYPED_FUNC_START(mohawk_flush_kern_cache_all) mov r2, #VM_EXEC mov ip, #0 __flush_whole_cache: @@ -116,6 +119,7 @@ __flush_whole_cache: mcrne p15, 0, ip, c7, c5, 0 @ invalidate I cache mcrne p15, 0, ip, c7, c10, 0 @ drain write buffer ret lr +SYM_FUNC_END(mohawk_flush_kern_cache_all) /* * flush_user_cache_range(start, end, flags) @@ -129,7 +133,7 @@ __flush_whole_cache: * * (same as arm926) */ -ENTRY(mohawk_flush_user_cache_range) +SYM_TYPED_FUNC_START(mohawk_flush_user_cache_range) mov ip, #0 sub r3, r1, r0 @ calculate total size cmp r3, #CACHE_DLIMIT @@ -146,6 +150,7 @@ ENTRY(mohawk_flush_user_cache_range) tst r2, #VM_EXEC mcrne p15, 0, ip, c7, c10, 4 @ drain WB ret lr +SYM_FUNC_END(mohawk_flush_user_cache_range) /* * coherent_kern_range(start, end) @@ -157,8 +162,11 @@ ENTRY(mohawk_flush_user_cache_range) * - start - virtual start address * - end - virtual end address */ -ENTRY(mohawk_coherent_kern_range) - /* FALLTHROUGH */ +SYM_TYPED_FUNC_START(mohawk_coherent_kern_range) +#ifdef CONFIG_CFI_CLANG /* Fallthrough if !CFI */ + b mohawk_coherent_user_range +#endif +SYM_FUNC_END(mohawk_coherent_kern_range) /* * coherent_user_range(start, end) @@ -172,7 +180,7 @@ ENTRY(mohawk_coherent_kern_range) * * (same as arm926) */ -ENTRY(mohawk_coherent_user_range) +SYM_TYPED_FUNC_START(mohawk_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 @@ -182,6 +190,7 @@ ENTRY(mohawk_coherent_user_range) mcr p15, 0, r0, c7, c10, 4 @ drain WB mov r0, #0 ret lr +SYM_FUNC_END(mohawk_coherent_user_range) /* * flush_kern_dcache_area(void *addr, size_t size) @@ -192,7 +201,7 @@ ENTRY(mohawk_coherent_user_range) * - addr - kernel address * - size - region size */ -ENTRY(mohawk_flush_kern_dcache_area) +SYM_TYPED_FUNC_START(mohawk_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 @@ -202,6 +211,7 @@ ENTRY(mohawk_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(mohawk_flush_kern_dcache_area) /* * dma_inv_range(start, end) @@ -256,7 +266,7 @@ mohawk_dma_clean_range: * - start - virtual start address * - end - virtual end address */ -ENTRY(mohawk_dma_flush_range) +SYM_TYPED_FUNC_START(mohawk_dma_flush_range) bic r0, r0, #CACHE_DLINESIZE - 1 1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry @@ -265,6 +275,7 @@ ENTRY(mohawk_dma_flush_range) blo 1b mcr p15, 0, r0, c7, c10, 4 @ drain WB ret lr +SYM_FUNC_END(mohawk_dma_flush_range) /* * dma_map_area(start, size, dir) @@ -272,13 +283,13 @@ ENTRY(mohawk_dma_flush_range) * - size - size of region * - dir - DMA direction */ -ENTRY(mohawk_dma_map_area) +SYM_TYPED_FUNC_START(mohawk_dma_map_area) add r1, r1, r0 cmp r2, #DMA_TO_DEVICE beq mohawk_dma_clean_range bcs mohawk_dma_inv_range b mohawk_dma_flush_range -ENDPROC(mohawk_dma_map_area) +SYM_FUNC_END(mohawk_dma_map_area) /* * dma_unmap_area(start, size, dir) @@ -286,23 +297,18 @@ ENDPROC(mohawk_dma_map_area) * - size - size of region * - dir - DMA direction */ -ENTRY(mohawk_dma_unmap_area) +SYM_TYPED_FUNC_START(mohawk_dma_unmap_area) ret lr -ENDPROC(mohawk_dma_unmap_area) - - .globl mohawk_flush_kern_cache_louis - .equ mohawk_flush_kern_cache_louis, mohawk_flush_kern_cache_all - - @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) - define_cache_functions mohawk +SYM_FUNC_END(mohawk_dma_unmap_area) -ENTRY(cpu_mohawk_dcache_clean_area) +SYM_TYPED_FUNC_START(cpu_mohawk_dcache_clean_area) 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry add r0, r0, #CACHE_DLINESIZE subs r1, r1, #CACHE_DLINESIZE bhi 1b mcr p15, 0, r0, c7, c10, 4 @ drain WB ret lr +SYM_FUNC_END(cpu_mohawk_dcache_clean_area) /* * cpu_mohawk_switch_mm(pgd) @@ -312,7 +318,7 @@ ENTRY(cpu_mohawk_dcache_clean_area) * pgd: new page tables */ .align 5 -ENTRY(cpu_mohawk_switch_mm) +SYM_TYPED_FUNC_START(cpu_mohawk_switch_mm) mov ip, #0 mcr p15, 0, ip, c7, c14, 0 @ clean & invalidate all D cache mcr p15, 0, ip, c7, c5, 0 @ invalidate I cache @@ -321,6 +327,7 @@ ENTRY(cpu_mohawk_switch_mm) mcr p15, 0, r0, c2, c0, 0 @ load page table pointer mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs ret lr +SYM_FUNC_END(cpu_mohawk_switch_mm) /* * cpu_mohawk_set_pte_ext(ptep, pte, ext) @@ -328,7 +335,7 @@ ENTRY(cpu_mohawk_switch_mm) * Set a PTE and flush it out */ .align 5 -ENTRY(cpu_mohawk_set_pte_ext) +SYM_TYPED_FUNC_START(cpu_mohawk_set_pte_ext) #ifdef CONFIG_MMU armv3_set_pte_ext mov r0, r0 @@ -336,11 +343,12 @@ ENTRY(cpu_mohawk_set_pte_ext) mcr p15, 0, r0, c7, c10, 4 @ drain WB ret lr #endif +SYM_FUNC_END(cpu_mohawk_set_pte_ext) .globl cpu_mohawk_suspend_size .equ cpu_mohawk_suspend_size, 4 * 6 #ifdef CONFIG_ARM_CPU_SUSPEND -ENTRY(cpu_mohawk_do_suspend) +SYM_TYPED_FUNC_START(cpu_mohawk_do_suspend) stmfd sp!, {r4 - r9, lr} mrc p14, 0, r4, c6, c0, 0 @ clock configuration, for turbo mode mrc p15, 0, r5, c15, c1, 0 @ CP access reg @@ -351,9 +359,9 @@ ENTRY(cpu_mohawk_do_suspend) bic r4, r4, #2 @ clear frequency change bit stmia r0, {r4 - r9} @ store cp regs ldmia sp!, {r4 - r9, pc} -ENDPROC(cpu_mohawk_do_suspend) +SYM_FUNC_END(cpu_mohawk_do_suspend) -ENTRY(cpu_mohawk_do_resume) +SYM_TYPED_FUNC_START(cpu_mohawk_do_resume) ldmia r0, {r4 - r9} @ load cp regs mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate I & D caches, BTB @@ -369,7 +377,7 @@ ENTRY(cpu_mohawk_do_resume) mcr p15, 0, r8, c1, c0, 1 @ auxiliary control reg mov r0, r9 @ control register b cpu_resume_mmu -ENDPROC(cpu_mohawk_do_resume) +SYM_FUNC_END(cpu_mohawk_do_resume) #endif .type __mohawk_setup, #function |