diff options
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/armv8/mmu.h | 5 | ||||
| -rw-r--r-- | arch/arm/include/asm/system.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/include/asm/armv8/mmu.h b/arch/arm/include/asm/armv8/mmu.h index e9b4cdb..a349903 100644 --- a/arch/arm/include/asm/armv8/mmu.h +++ b/arch/arm/include/asm/armv8/mmu.h @@ -53,6 +53,7 @@ #define PTE_TYPE_FAULT (0 << 0) #define PTE_TYPE_TABLE (3 << 0) #define PTE_TYPE_BLOCK (1 << 0) +#define PTE_TYPE_VALID (1 << 0) #define PTE_TABLE_PXN (1UL << 59) #define PTE_TABLE_XN (1UL << 60) @@ -77,6 +78,10 @@ */ #define PMD_ATTRINDX(t) ((t) << 2) #define PMD_ATTRINDX_MASK (7 << 2) +#define PMD_ATTRMASK (PTE_BLOCK_PXN | \ + PTE_BLOCK_UXN | \ + PMD_ATTRINDX_MASK | \ + PTE_TYPE_VALID) /* * TCR flags. diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index 766e929..9c3261c 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -226,6 +226,7 @@ void protect_secure_region(void); void smp_kick_all_cpus(void); void flush_l3_cache(void); +void mmu_change_region_attr(phys_addr_t start, size_t size, u64 attrs); /* *Issue a secure monitor call in accordance with ARM "SMC Calling convention", |