From d1170f160404bdadc7c4108f45c32e6ffaef5574 Mon Sep 17 00:00:00 2001
From: sorgelig <pour.garbage@gmail.com>
Date: Tue, 4 Jul 2017 16:14:27 +0800
Subject: [PATCH] Pass read-only flag to core.

---
 user_io.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/user_io.c b/user_io.c
index 362d069..256cf8d 100644
--- a/user_io.c
+++ b/user_io.c
@@ -615,7 +615,7 @@ int user_io_file_mount(int num, char *name)
 	DisableIO();
 
 	// notify core of possible sd image change
-	spi_uio_cmd8(UIO_SET_SDSTAT, 1<<num);
+	spi_uio_cmd8(UIO_SET_SDSTAT, (1<<num) | (writable ? 0 : 0x80));
 	return 1;
 }