github.com/antonblanchard.microwatt
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3 Commits

Author SHA1 Message Date
Paul Mackerras
8ff8b2f256 tests/mmu: Add a test for dcbz with translation on 
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
 2020-05-08 12:12:02 +10:00
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>
 2020-05-08 12:12:02 +10:00
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>
 2020-05-08 12:12:02 +10:00