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| author | David Hildenbrand | 2018-01-15 00:29:22 +0100 |
|---|---|---|
| committer | David Hildenbrand | 2019-10-09 12:49:01 +0200 |
| commit | 3a06f981925bfade8f5e650655fce0b38dbd6649 (patch) | |
| tree | fe4f3d4e4cdf8b89f6f89a6551eb09c45ac52054 /target/s390x/gen-features.c | |
| parent | s390x/mmu: Implement ESOP-2 and access-exception-fetch/store-indication facility (diff) | |
| download | qemu-3a06f981925bfade8f5e650655fce0b38dbd6649.tar.gz qemu-3a06f981925bfade8f5e650655fce0b38dbd6649.tar.xz qemu-3a06f981925bfade8f5e650655fce0b38dbd6649.zip | |
s390x/mmu: Implement Instruction-Execution-Protection Facility
IEP support in the mmu is fairly easy. Set the right permissions for TLB
entries and properly report an exception.
Make sure to handle EDAT-2 by setting bit 56/60/61 of the TEID (TEC) to
the right values.
Let's keep s390_cpu_get_phys_page_debug() working even if IEP is
active. Switch MMU_DATA_LOAD - this has no other effects any more as the
ASC to be used is now fully selected outside of mmu_translate().
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Diffstat (limited to 'target/s390x/gen-features.c')
0 files changed, 0 insertions, 0 deletions