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[RFC,v9,22/23] target/arm: Add FEAT_NMI to max

Message ID 20240321130812.2983113-23-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, 1:08 p.m. UTC 
Enable FEAT_NMI on the 'max' CPU.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
v3:
- Add Reviewed-by.
- Sorted to last.
---
 docs/system/arm/emulation.rst | 1 +
 target/arm/tcg/cpu64.c        | 1 +
 2 files changed, 2 insertions(+)
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Patch

diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst
index 2a7bbb82dc..a9ae7ede9f 100644
--- a/docs/system/arm/emulation.rst
+++ b/docs/system/arm/emulation.rst
@@ -64,6 +64,7 @@  the following architecture extensions:
 - FEAT_MTE (Memory Tagging Extension)
 - FEAT_MTE2 (Memory Tagging Extension)
 - FEAT_MTE3 (MTE Asymmetric Fault Handling)
+- FEAT_NMI (Non-maskable Interrupt)
 - FEAT_NV (Nested Virtualization)
 - FEAT_NV2 (Enhanced nested virtualization support)
 - FEAT_PACIMP (Pointer authentication - IMPLEMENTATION DEFINED algorithm)
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index 9f7a9f3d2c..62c4663512 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -1175,6 +1175,7 @@  void aarch64_max_tcg_initfn(Object *obj)
     t = FIELD_DP64(t, ID_AA64PFR1, RAS_FRAC, 0);  /* FEAT_RASv1p1 + FEAT_DoubleFault */
     t = FIELD_DP64(t, ID_AA64PFR1, SME, 1);       /* FEAT_SME */
     t = FIELD_DP64(t, ID_AA64PFR1, CSV2_FRAC, 0); /* FEAT_CSV2_2 */
+    t = FIELD_DP64(t, ID_AA64PFR1, NMI, 1);       /* FEAT_NMI */
     cpu->isar.id_aa64pfr1 = t;
 
     t = cpu->isar.id_aa64mmfr0;