1/* 2 * We need constants.h for: 3 * VMA_VM_MM 4 * VMA_VM_FLAGS 5 * VM_EXEC 6 */ 7#include <asm/constants.h> 8#include <asm/thread_info.h> 9 10/* 11 * vma_vm_mm - get mm pointer from vma pointer (vma->vm_mm) 12 */ 13 .macro vma_vm_mm, rd, rn 14 ldr \rd, [\rn, #VMA_VM_MM] 15 .endm 16 17/* 18 * vma_vm_flags - get vma->vm_flags 19 */ 20 .macro vma_vm_flags, rd, rn 21 ldr \rd, [\rn, #VMA_VM_FLAGS] 22 .endm 23 24 .macro tsk_mm, rd, rn 25 ldr \rd, [\rn, #TI_TASK] 26 ldr \rd, [\rd, #TSK_ACTIVE_MM] 27 .endm 28 29/* 30 * act_mm - get current->active_mm 31 */ 32 .macro act_mm, rd 33 bic \rd, sp, #8128 34 bic \rd, \rd, #63 35 ldr \rd, [\rd, #TI_TASK] 36 ldr \rd, [\rd, #TSK_ACTIVE_MM] 37 .endm 38 39/* 40 * mmid - get context id from mm pointer (mm->context.id) 41 */ 42 .macro mmid, rd, rn 43 ldr \rd, [\rn, #MM_CONTEXT_ID] 44 .endm 45 46/* 47 * mask_asid - mask the ASID from the context ID 48 */ 49 .macro asid, rd, rn 50 and \rd, \rn, #255 51 .endm 52