From 0229d452017b9bcda7b89eec470d3aaaa8c1bc28 Mon Sep 17 00:00:00 2001
From: Jonathan Pallant <jonathan.pallant@ferrous-systems.com>
Date: Tue, 28 Jan 2025 11:08:05 +0000
Subject: [PATCH] Don't pass on SPECIAL_NONE interrupt.

Currently it witholds SPECIAL_START, which is actually SPECIAL_SECURE. This appears to be a typo, but I'm happy to be corrected (in which case I will have to deal with SPECIAL_NONE in my application).
---
 src/gicv2.rs | 2 +-
 src/gicv3.rs | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/gicv2.rs b/src/gicv2.rs
index b39edef..cfaeb85 100644
--- a/src/gicv2.rs
+++ b/src/gicv2.rs
@@ -181,7 +181,7 @@ impl GicV2 {
         unsafe {
             intid = (&raw mut (*self.gicc).aiar).read_volatile() as u32;
         }
-        if intid == IntId::SPECIAL_START {
+        if IntId(intid) == IntId::SPECIAL_NONE {
             None
         } else {
             Some(IntId(intid))
diff --git a/src/gicv3.rs b/src/gicv3.rs
index c5c07e7..07c1035 100644
--- a/src/gicv3.rs
+++ b/src/gicv3.rs
@@ -302,7 +302,7 @@ impl GicV3 {
     /// Returns `None` if there is no pending interrupt of sufficient priority.
     pub fn get_and_acknowledge_interrupt() -> Option<IntId> {
         let intid = read_icc_iar1_el1() as u32;
-        if intid == IntId::SPECIAL_START {
+        if IntId(intid) == IntId::SPECIAL_NONE {
             None
         } else {
             Some(IntId(intid))