diff options
Diffstat (limited to 'arch/arm64/include/asm/memory.h')
| -rw-r--r-- | arch/arm64/include/asm/memory.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h index 1fc24532987e..7fa6ad48d574 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -113,6 +113,25 @@ #define IRQ_STACK_SIZE THREAD_SIZE /* + * Alignment of kernel segments (e.g. .text, .data). + */ +#if defined(CONFIG_DEBUG_ALIGN_RODATA) +/* + * 4 KB granule: 1 level 2 entry + * 16 KB granule: 128 level 3 entries, with contiguous bit + * 64 KB granule: 32 level 3 entries, with contiguous bit + */ +#define SEGMENT_ALIGN SZ_2M +#else +/* + * 4 KB granule: 16 level 3 entries, with contiguous bit + * 16 KB granule: 4 level 3 entries, without contiguous bit + * 64 KB granule: 1 level 3 entry + */ +#define SEGMENT_ALIGN SZ_64K +#endif + +/* * Memory types available. */ #define MT_DEVICE_nGnRnE 0 |