diff options
| author | Etienne Carriere <etienne.carriere@linaro.org> | 2017-10-24 22:47:59 +0200 |
|---|---|---|
| committer | Usama Arif <usama.arif@arm.com> | 2019-02-19 17:07:48 +0000 |
| commit | c9fe6fed4bcd930af4ccc487633b35e92d3cc288 (patch) | |
| tree | 1054a6435db443aa14772f2113275fc95686e25c /include/lib/xlat_tables | |
| parent | 6393c787b5aa915ea2c707acebd3e330246fe991 (diff) | |
ARMv7: support non-LPAE mapping (not xlat_v2)
Support 32bit descriptor MMU table. This is required by ARMv7
architectures that do not support the Large Page Address Extensions.
nonlpae_tables.c source file is dumped from the OP-TEE project:
core_mmu_armv7.c and related header files.
Change-Id: If912d66c374290c49c5a1211ce4c5c27b2d7dc60
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Usama Arif <usama.arif@arm.com>
Diffstat (limited to 'include/lib/xlat_tables')
| -rw-r--r-- | include/lib/xlat_tables/xlat_tables_defs.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/lib/xlat_tables/xlat_tables_defs.h b/include/lib/xlat_tables/xlat_tables_defs.h index 6d0fb789..f9bbe0f6 100644 --- a/include/lib/xlat_tables/xlat_tables_defs.h +++ b/include/lib/xlat_tables/xlat_tables_defs.h @@ -73,7 +73,11 @@ #define PAGE_SIZE_MASK (PAGE_SIZE - U(1)) #define IS_PAGE_ALIGNED(addr) (((addr) & PAGE_SIZE_MASK) == U(0)) -#define XLAT_ENTRY_SIZE_SHIFT U(3) /* Each MMU table entry is 8 bytes (1 << 3) */ +#if (ARM_ARCH_MAJOR == 7) && !ARMV7_SUPPORTS_LARGE_PAGE_ADDRESSING +#define XLAT_ENTRY_SIZE_SHIFT U(2) /* Each MMU table entry is 4 bytes */ +#else +#define XLAT_ENTRY_SIZE_SHIFT U(3) /* Each MMU table entry is 8 bytes */ +#endif #define XLAT_ENTRY_SIZE (U(1) << XLAT_ENTRY_SIZE_SHIFT) #define XLAT_TABLE_SIZE_SHIFT PAGE_SIZE_SHIFT /* Size of one complete table */ |