[RFC,v2,14/22] target/arm: Handle NMI in arm_cpu_do_interrupt_aarch64()

Commit Message

Jinjie Ruan Feb. 21, 2024, 1:08 p.m. UTC

The NMI exception trap entry behave like IRQ or FIQ which depends on
the NMI interrupt type.

Signed-off-by: Jinjie Ruan <[e-mail]>
---
 target/arm/helper.c | 7 +++++++
 1 file changed, 7 insertions(+)

Patch

diff --git a/target/arm/helper.c b/target/arm/helper.c
index 952ea7c02a..ac5f998e32 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -11466,6 +11466,13 @@  static void arm_cpu_do_interrupt_aarch64(CPUState *cs)
     case EXCP_VFIQ:
         addr += 0x100;
         break;
+    case EXCP_NMI:
+        if (env->nmi_is_irq) {
+            addr += 0x80;
+        } else {
+            addr += 0x100;
+        }
+        break;
     case EXCP_VSERR:
         addr += 0x180;
         /* Construct the SError syndrome from IDS and ISS fields. */