diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2021-03-15 09:54:48 +0100 |
|---|---|---|
| committer | Cornelia Huck <cohuck@redhat.com> | 2021-03-15 11:03:20 +0100 |
| commit | e56552cf0771a7f60ae4c1bc186d43a585022849 (patch) | |
| tree | 5aef48ec6ed17d889e9b05914f426dae02348887 /target/s390x/cpu.h | |
| parent | d66a52b50f089d69a70beb2e507d3035ffeaf016 (diff) | |
target/s390x: Implement the MVPG condition-code-option bit
If the CCO bit is set, MVPG should not generate an exception but
report page translation faults via a CC code.
Create a new helper, access_prepare_nf, which can use probe_access_flags
in non-faulting mode, and then handle watchpoints.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
[thuth: Added logic to still inject protection exceptions]
Signed-off-by: Thomas Huth <thuth@redhat.com>
[david: Look at env->tlb_fill_exc to determine if there was an exception]
Signed-off-by: David Hildenbrand <david@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210315085449.34676-2-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to 'target/s390x/cpu.h')
| -rw-r--r-- | target/s390x/cpu.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h index 60d434d5ed..468b4430f3 100644 --- a/target/s390x/cpu.h +++ b/target/s390x/cpu.h @@ -114,6 +114,11 @@ struct CPUS390XState { uint64_t diag318_info; +#if !defined(CONFIG_USER_ONLY) + uint64_t tlb_fill_tec; /* translation exception code during tlb_fill */ + int tlb_fill_exc; /* exception number seen during tlb_fill */ +#endif + /* Fields up to this point are cleared by a CPU reset */ struct {} end_reset_fields; |