From 324871f3803a7b2f9be264ee998e46ac0a7c4698 Mon Sep 17 00:00:00 2001
From: Plaque FCC <plaque-fcc@github>
Date: Fri, 18 Oct 2024 04:46:52 +0300
Subject: [PATCH] qemu/mcu/rv32: Fix test of mcause value in lookup_cause.

Signed-off-by: Plaque FCC <plaque-fcc@github>
---
 ports/qemu/mcu/rv32/interrupts.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ports/qemu/mcu/rv32/interrupts.c b/ports/qemu/mcu/rv32/interrupts.c
index ccb4644f9..804cebcd7 100644
--- a/ports/qemu/mcu/rv32/interrupts.c
+++ b/ports/qemu/mcu/rv32/interrupts.c
@@ -144,7 +144,7 @@ const char *lookup_cause(uint32_t mcause) {
             case 11:
                 return exception_causes[6];
             default:
-                return (mcause >= 16) ?
+                return ((mcause & 0x7FFFFFFF) >= 16) ?
                        exception_causes[7] :
                        exception_causes[0];
         }