diff options
Diffstat (limited to 'payloads')
| -rw-r--r-- | payloads/libpayload/arch/arm64/mmu.c | 1 | ||||
| -rw-r--r-- | payloads/libpayload/include/arm64/arch/mmu.h | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/payloads/libpayload/arch/arm64/mmu.c b/payloads/libpayload/arch/arm64/mmu.c index e2a0cb18b6..f07e4c435c 100644 --- a/payloads/libpayload/arch/arm64/mmu.c +++ b/payloads/libpayload/arch/arm64/mmu.c @@ -91,6 +91,7 @@ static uint64_t get_block_attr(unsigned long tag) break; case TYPE_DEV_MEM: attr |= BLOCK_INDEX_MEM_DEV_NGNRNE << BLOCK_INDEX_SHIFT; + attr |= BLOCK_XN; break; case TYPE_DMA_MEM: attr |= BLOCK_INDEX_MEM_NORMAL_NC << BLOCK_INDEX_SHIFT; diff --git a/payloads/libpayload/include/arm64/arch/mmu.h b/payloads/libpayload/include/arm64/arch/mmu.h index 30a1973cf7..2f87d09681 100644 --- a/payloads/libpayload/include/arm64/arch/mmu.h +++ b/payloads/libpayload/include/arm64/arch/mmu.h @@ -72,6 +72,8 @@ extern char _start[], _end[]; #define BLOCK_ACCESS (1 << 10) +#define BLOCK_XN (1UL << 54) + #define BLOCK_SH_SHIFT (8) #define BLOCK_SH_NON_SHAREABLE (0 << BLOCK_SH_SHIFT) #define BLOCK_SH_UNPREDICTABLE (1 << BLOCK_SH_SHIFT) |