From 3c9e2a6c4c4f4892f6ec8aa8044ac47c06ea2a6a Mon Sep 17 00:00:00 2001
From: Yangyu Chen <cyy@cyyself.name>
Date: Sat, 3 Feb 2024 17:44:41 +0800
Subject: [PATCH] [subsystememu] do not output eof

---
 subsystememu/csrc/dpic.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/subsystememu/csrc/dpic.cc b/subsystememu/csrc/dpic.cc
index 593358281d..b8b410905e 100644
--- a/subsystememu/csrc/dpic.cc
+++ b/subsystememu/csrc/dpic.cc
@@ -184,11 +184,13 @@ extern "C" void AXI4MMIODPI(
 
     while (uart.exist_tx()) {
         char c = uart.getc();
-        printf("%c",c);
-        fflush(stdout);
         if (c == -1) {
             exit(0);
         }
+        else {
+            printf("%c",c);
+            fflush(stdout);
+        }
     }
     // CTRL  END  }