From d244110a591307a648ce8eaa88018f5418524491 Mon Sep 17 00:00:00 2001
From: Tim Newsome <tim@sifive.com>
Date: Tue, 13 Dec 2022 09:14:05 -0800
Subject: debug: Tweak interrupt.c, so a test can run to exit()

---
 debug/programs/interrupt.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'debug')

diff --git a/debug/programs/interrupt.c b/debug/programs/interrupt.c
index 8378576..847644c 100644
--- a/debug/programs/interrupt.c
+++ b/debug/programs/interrupt.c
@@ -3,6 +3,7 @@
 
 static volatile unsigned interrupt_count;
 static volatile unsigned local;
+static volatile unsigned keep_running;
 
 static unsigned delta = 0x100;
 void *increment_count(unsigned hartid, unsigned mcause, void *mepc, void *sp)
@@ -20,13 +21,15 @@ int main()
 {
     interrupt_count = 0;
     local = 0;
+    keep_running = 1;
     unsigned hartid = read_csr(mhartid);
 
     set_trap_handler(increment_count);
     MTIMECMP[hartid] = MTIME - 1;
     enable_timer_interrupts();
 
-    while (1) {
+    while (keep_running) {
         local++;
     }
+    return 10;
 }
-- 
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