diff options
| author | David Hildenbrand <david@redhat.com> | 2018-01-15 00:29:22 +0100 |
|---|---|---|
| committer | David Hildenbrand <david@redhat.com> | 2019-10-09 12:49:01 +0200 |
| commit | 3a06f981925bfade8f5e650655fce0b38dbd6649 (patch) | |
| tree | fe4f3d4e4cdf8b89f6f89a6551eb09c45ac52054 /target/s390x/cpu.h | |
| parent | 3dc29061f3291bf0b6cda9cc7bc04aa94101b52e (diff) | |
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/cpu.h')
| -rw-r--r-- | target/s390x/cpu.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h index 2db54884b8..b907741858 100644 --- a/target/s390x/cpu.h +++ b/target/s390x/cpu.h @@ -315,6 +315,7 @@ extern const VMStateDescription vmstate_s390_cpu; #define CR0_EDAT 0x0000000000800000ULL #define CR0_AFP 0x0000000000040000ULL #define CR0_VECTOR 0x0000000000020000ULL +#define CR0_IEP 0x0000000000100000ULL #define CR0_EMERGENCY_SIGNAL_SC 0x0000000000004000ULL #define CR0_EXTERNAL_CALL_SC 0x0000000000002000ULL #define CR0_CKC_SC 0x0000000000000800ULL |