EmbeddedPkg/GdbSerialLib: avoid left shift of negative quantity

[mirror_edk2.git] / EmbeddedPkg / Library / GdbSerialLib / GdbSerialLib.c

diff --git a/EmbeddedPkg/Library/GdbSerialLib/GdbSerialLib.c b/EmbeddedPkg/Library/GdbSerialLib/GdbSerialLib.c
index 069d87ca780d41203d7e9fe2dbaae516f1ff06c8..7931d1ac4e2b3cbc9d14dad1294b383bcd761abd 100644 (file)
--- a/EmbeddedPkg/Library/GdbSerialLib/GdbSerialLib.c
+++ b/EmbeddedPkg/Library/GdbSerialLib/GdbSerialLib.c
@@ -40,11 +40,11 @@
 //---------------------------------------------\r
 // UART Register Bit Defines\r
 //---------------------------------------------\r
-#define LSR_TXRDY               0x20\r
-#define LSR_RXDA                0x01\r
-#define DLAB                    0x01\r
-#define ENABLE_FIFO             0x01\r
-#define CLEAR_FIFOS             0x06\r
+#define LSR_TXRDY               0x20U\r
+#define LSR_RXDA                0x01U\r
+#define DLAB                    0x01U\r
+#define ENABLE_FIFO             0x01U\r
+#define CLEAR_FIFOS             0x06U\r
 \r
 \r
 \r