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4 Commits (6081646638e605a177cf11b3e85f14fb209f4105)

Author SHA1 Message Date
Paul Mackerras a1d83ba91a tests/mmu: Add a test for a faulting load near the end of a page 
This tests for the bug where a load near the end of a page, if the load
faults and the following page isn't mapped, could cause a DSI followed
incorrectly by an ISI shortly afterwards.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
 1 month ago
Paul Mackerras 8ff8b2f256 tests/mmu: Add a test for dcbz with translation on 
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
 6 years ago
Paul Mackerras b342312e4e tests: mmu: Add tests for instruction translation 
This adds tests of instruction translation to the mmu test.

This also clears the BSS and improves the linker script.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
 6 years ago
Paul Mackerras 882a5a0dc0 tests: Add a test for the MMU radix page table walks 
This adds tests to check that the MMU and dTLB are translating
addresses and checking permissions correctly.

We use a simple 2-level radix tree.  The radix tree maps 2GB of
address space and has a 1024-entry page directory pointing to
512-entry page table pages.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
 6 years ago