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[RFC,v9,03/23] target/arm: Add support for FEAT_NMI, Non-maskable Interrupt

Message ID 20240321130812.2983113-4-ruanjinjie@huawei.com (mailing list archive)
State New, archived
Headers show
Series target/arm: Implement FEAT_NMI and FEAT_GICv3_NMI | expand

Commit Message

Jinjie Ruan March 21, 2024, 1:07 p.m. UTC 
Add support for FEAT_NMI. NMI (FEAT_NMI) is an mandatory feature in
ARMv8.8-A and ARM v9.3-A.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
v3:
- Add Reviewed-by.
- Adjust to before the MSR patches.
---
 target/arm/internals.h | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/target/arm/internals.h b/target/arm/internals.h
index dd3da211a3..516e0584bf 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -1229,6 +1229,9 @@  static inline uint32_t aarch64_pstate_valid_mask(const ARMISARegisters *id)
     if (isar_feature_aa64_mte(id)) {
         valid |= PSTATE_TCO;
     }
+    if (isar_feature_aa64_nmi(id)) {
+        valid |= PSTATE_ALLINT;
+    }
 
     return valid;
 }