diff options
Diffstat (limited to 'arch/arm/cpu/mmu_64.h')
| -rw-r--r-- | arch/arm/cpu/mmu_64.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/cpu/mmu_64.h b/arch/arm/cpu/mmu_64.h index a2a5477569..9bbb62fc6b 100644 --- a/arch/arm/cpu/mmu_64.h +++ b/arch/arm/cpu/mmu_64.h @@ -8,6 +8,23 @@ PTE_BLOCK_OUTER_SHARE | \ PTE_BLOCK_AF) +static inline unsigned long attrs_uncached_mem(void) +{ + unsigned long attrs = UNCACHED_MEM; + + switch (current_el()) { + case 3: + case 2: + attrs |= PTE_BLOCK_UXN; + break; + default: + attrs |= PTE_BLOCK_UXN | PTE_BLOCK_PXN; + break; + } + + return attrs; +} + /* * Do it the simple way for now and invalidate the entire tlb */ |