diff options
Diffstat (limited to 'arch/arm/cpu/mmu_64.c')
| -rw-r--r-- | arch/arm/cpu/mmu_64.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/arm/cpu/mmu_64.c b/arch/arm/cpu/mmu_64.c index 7e9ae84810..06049e0003 100644 --- a/arch/arm/cpu/mmu_64.c +++ b/arch/arm/cpu/mmu_64.c @@ -10,6 +10,7 @@ #include <init.h> #include <mmu.h> #include <errno.h> +#include <zero_page.h> #include <linux/sizes.h> #include <asm/memory.h> #include <asm/pgtable64.h> @@ -168,6 +169,16 @@ static void mmu_enable(void) set_cr(get_cr() | CR_M | CR_C | CR_I); } +void zero_page_access(void) +{ + create_sections(0x0, 0x0, PAGE_SIZE, CACHED_MEM); +} + +void zero_page_faulting(void) +{ + create_sections(0x0, 0x0, PAGE_SIZE, 0x0); +} + /* * Prepare MMU for usage enable it. */ @@ -194,7 +205,7 @@ void __mmu_init(bool mmu_on) create_sections(bank->start, bank->start, bank->size, CACHED_MEM); /* Make zero page faulting to catch NULL pointer derefs */ - create_sections(0x0, 0x0, 0x1000, 0x0); + zero_page_faulting(); mmu_enable(); } |