Keep DCSR_XDEBUGVER unsigned.

diff --git a/riscv/encoding.h b/riscv/encoding.h
index 1d5fb0d618c7ebcf2d6350ad5ee9c85648940036..032626ea9f105d93d194877d43e48d1de65c3090 100644 (file)
--- a/riscv/encoding.h
+++ b/riscv/encoding.h
@@ -33,7 +33,7 @@
 #define SSTATUS32_SD        0x80000000
 #define SSTATUS64_SD        0x8000000000000000
 
-#define DCSR_XDEBUGVER      (3<<30)
+#define DCSR_XDEBUGVER      (3U<<30)
 #define DCSR_NDRESET        (1<<29)
 #define DCSR_FULLRESET      (1<<28)
 #define DCSR_HWBPCOUNT      (0xfff<<16)