diff options
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/mmu.c | 15 | ||||
| -rw-r--r-- | arch/arm/mm/proc-macros.S | 6 | ||||
| -rw-r--r-- | arch/arm/mm/proc-v7.S | 4 |
3 files changed, 12 insertions, 13 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index bd1a11e62f4e..bd5a94b2d610 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -190,7 +190,7 @@ void adjust_cr(unsigned long mask, unsigned long set) } #endif -#define PROT_PTE_DEVICE L_PTE_PRESENT|L_PTE_YOUNG|L_PTE_DIRTY|L_PTE_WRITE +#define PROT_PTE_DEVICE L_PTE_PRESENT|L_PTE_YOUNG|L_PTE_DIRTY|L_PTE_WRITE|L_PTE_XN #define PROT_SECT_DEVICE PMD_TYPE_SECT|PMD_SECT_AP_WRITE static struct mem_type mem_types[] = { @@ -234,20 +234,19 @@ static struct mem_type mem_types[] = { .domain = DOMAIN_KERNEL, }, [MT_LOW_VECTORS] = { - .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_EXEC, + .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY, .prot_l1 = PMD_TYPE_TABLE, .domain = DOMAIN_USER, }, [MT_HIGH_VECTORS] = { .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_USER | L_PTE_EXEC, + L_PTE_USER, .prot_l1 = PMD_TYPE_TABLE, .domain = DOMAIN_USER, }, [MT_MEMORY] = { .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_WRITE | L_PTE_EXEC, + L_PTE_WRITE, .prot_l1 = PMD_TYPE_TABLE, .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE, .domain = DOMAIN_KERNEL, @@ -258,21 +257,21 @@ static struct mem_type mem_types[] = { }, [MT_MEMORY_NONCACHED] = { .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_WRITE | L_PTE_EXEC | L_PTE_MT_BUFFERABLE, + L_PTE_WRITE| L_PTE_MT_BUFFERABLE, .prot_l1 = PMD_TYPE_TABLE, .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE, .domain = DOMAIN_KERNEL, }, [MT_MEMORY_DTCM] = { .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_WRITE, + L_PTE_WRITE | L_PTE_XN, .prot_l1 = PMD_TYPE_TABLE, .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN, .domain = DOMAIN_KERNEL, }, [MT_MEMORY_ITCM] = { .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_WRITE | L_PTE_EXEC, + L_PTE_WRITE, .prot_l1 = PMD_TYPE_TABLE, .domain = DOMAIN_KERNEL, }, diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S index cbedf9c46b9d..4a7a9e142e85 100644 --- a/arch/arm/mm/proc-macros.S +++ b/arch/arm/mm/proc-macros.S @@ -81,7 +81,7 @@ #if L_PTE_SHARED != PTE_EXT_SHARED #error PTE shared bit mismatch #endif -#if (L_PTE_EXEC+L_PTE_USER+L_PTE_WRITE+L_PTE_DIRTY+L_PTE_YOUNG+\ +#if (L_PTE_XN+L_PTE_USER+L_PTE_WRITE+L_PTE_DIRTY+L_PTE_YOUNG+\ L_PTE_FILE+L_PTE_PRESENT) > L_PTE_SHARED #error Invalid Linux PTE bit settings #endif @@ -141,8 +141,8 @@ tstne r3, #PTE_EXT_APX bicne r3, r3, #PTE_EXT_APX | PTE_EXT_AP0 - tst r1, #L_PTE_EXEC - orreq r3, r3, #PTE_EXT_XN + tst r1, #L_PTE_XN + orrne r3, r3, #PTE_EXT_XN orr r3, r3, r2 diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 89c31a6dae5c..4f5a594aa5fd 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -149,8 +149,8 @@ ENTRY(cpu_v7_set_pte_ext) tstne r3, #PTE_EXT_APX bicne r3, r3, #PTE_EXT_APX | PTE_EXT_AP0 - tst r1, #L_PTE_EXEC - orreq r3, r3, #PTE_EXT_XN + tst r1, #L_PTE_XN + orrne r3, r3, #PTE_EXT_XN tst r1, #L_PTE_YOUNG tstne r1, #L_PTE_PRESENT |