883d1b5d4a
When the MMU is enabled and the translation tables are mapped, data read/writes to the translation tables are made using the attributes specified in the translation tables themselves. However, the MMU performs table walks with the attributes specified in TCR_ELx. They are completely independent, so special care has to be taken to make sure that they are the same. This has to be done manually because it is not practical to have a test in the code. Such a test would need to know the virtual memory region that contains the translation tables and check that for all of the tables the attributes match the ones in TCR_ELx. As the tables may not even be mapped at all, this isn't a test that can be made generic. The flags used by enable_mmu_xxx() have been moved to the same header where the functions are. Also, some comments in the linker scripts related to the translation tables have been fixed. Change-Id: I1754768bffdae75f53561b1c4a5baf043b45a304 Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com> |
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