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| author | davidcunado-arm <david.cunado@arm.com> | 2016-09-15 11:17:41 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2016-09-15 11:17:41 +0100 |
| commit | e69c1956cabfe4137c3efd646ce6575a2b972c58 (patch) | |
| tree | bfdf3f1395d5f5bc3a2224bd6b5c68d2c7947129 | |
| parent | d5dbe8787a24681e754d1d79ead64f5d234996cd (diff) | |
| parent | e03f0b0861f757a0ec2017bd29aeb009d0305845 (diff) | |
Merge pull request #707 from sandrine-bailleux-arm/sb/restore-xlat-defines
Restore some defines in xlat_tables.h
| -rw-r--r-- | include/lib/xlat_tables.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/lib/xlat_tables.h b/include/lib/xlat_tables.h index d2ac6db6..0e9800ab 100644 --- a/include/lib/xlat_tables.h +++ b/include/lib/xlat_tables.h @@ -32,13 +32,27 @@ #define __XLAT_TABLES_H__ /* Miscellaneous MMU related constants */ +#define NUM_2MB_IN_GB (1 << 9) +#define NUM_4K_IN_2MB (1 << 9) +#define NUM_GB_IN_4GB (1 << 2) + +#define TWO_MB_SHIFT 21 +#define ONE_GB_SHIFT 30 #define FOUR_KB_SHIFT 12 +#define ONE_GB_INDEX(x) ((x) >> ONE_GB_SHIFT) +#define TWO_MB_INDEX(x) ((x) >> TWO_MB_SHIFT) +#define FOUR_KB_INDEX(x) ((x) >> FOUR_KB_SHIFT) + #define INVALID_DESC 0x0 #define BLOCK_DESC 0x1 /* Table levels 0-2 */ #define TABLE_DESC 0x3 /* Table levels 0-2 */ #define PAGE_DESC 0x3 /* Table level 3 */ +#define FIRST_LEVEL_DESC_N ONE_GB_SHIFT +#define SECOND_LEVEL_DESC_N TWO_MB_SHIFT +#define THIRD_LEVEL_DESC_N FOUR_KB_SHIFT + #define XN (1ull << 2) #define PXN (1ull << 1) #define CONT_HINT (1ull << 0) |