diff --git a/src/target/riscv/asm.h b/src/target/riscv/asm.h
index d81aa0285..6ceb8c9bd 100644
--- a/src/target/riscv/asm.h
+++ b/src/target/riscv/asm.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 #ifndef TARGET__RISCV__ASM_H
 #define TARGET__RISCV__ASM_H
 
diff --git a/src/target/riscv/batch.c b/src/target/riscv/batch.c
index 2f651939a..81d0358ec 100644
--- a/src/target/riscv/batch.c
+++ b/src/target/riscv/batch.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
diff --git a/src/target/riscv/batch.h b/src/target/riscv/batch.h
index 2264627e0..9c42ba81e 100644
--- a/src/target/riscv/batch.h
+++ b/src/target/riscv/batch.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 #ifndef TARGET__RISCV__SCANS_H
 #define TARGET__RISCV__SCANS_H
 
diff --git a/src/target/riscv/gdb_regs.h b/src/target/riscv/gdb_regs.h
index 075f17ab1..32bc1d577 100644
--- a/src/target/riscv/gdb_regs.h
+++ b/src/target/riscv/gdb_regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 #ifndef TARGET__RISCV__GDB_REGS_H
 #define TARGET__RISCV__GDB_REGS_H
 
diff --git a/src/target/riscv/opcodes.h b/src/target/riscv/opcodes.h
index 4557f98f2..998290cb9 100644
--- a/src/target/riscv/opcodes.h
+++ b/src/target/riscv/opcodes.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 #include "encoding.h"
 
 #define ZERO	0
diff --git a/src/target/riscv/program.c b/src/target/riscv/program.c
index b370401d1..59bd52fa9 100644
--- a/src/target/riscv/program.c
+++ b/src/target/riscv/program.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
diff --git a/src/target/riscv/program.h b/src/target/riscv/program.h
index 3bc0e5228..2fa925aff 100644
--- a/src/target/riscv/program.h
+++ b/src/target/riscv/program.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 #ifndef TARGET__RISCV__PROGRAM_H
 #define TARGET__RISCV__PROGRAM_H
 
diff --git a/src/target/riscv/riscv-011.c b/src/target/riscv/riscv-011.c
index 2a1813808..c49e925cc 100644
--- a/src/target/riscv/riscv-011.c
+++ b/src/target/riscv/riscv-011.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 /*
  * Support for RISC-V, debug version 0.11. This was never an officially adopted
  * spec, but SiFive made some silicon that uses it.
diff --git a/src/target/riscv/riscv-013.c b/src/target/riscv/riscv-013.c
index 08a774c37..6a6507f50 100644
--- a/src/target/riscv/riscv-013.c
+++ b/src/target/riscv/riscv-013.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 /*
  * Support for RISC-V, debug version 0.13, which is currently (2/4/17) the
  * latest draft.
diff --git a/src/target/riscv/riscv.c b/src/target/riscv/riscv.c
index 3e784b546..e99bfb538 100644
--- a/src/target/riscv/riscv.c
+++ b/src/target/riscv/riscv.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 #include <assert.h>
 #include <stdlib.h>
 #include <time.h>
diff --git a/src/target/riscv/riscv.h b/src/target/riscv/riscv.h
index 623b265bc..5e171d945 100644
--- a/src/target/riscv/riscv.h
+++ b/src/target/riscv/riscv.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 #ifndef RISCV_H
 #define RISCV_H
 
diff --git a/src/target/riscv/riscv_semihosting.c b/src/target/riscv/riscv_semihosting.c
index ece29ce13..99d6c7713 100644
--- a/src/target/riscv/riscv_semihosting.c
+++ b/src/target/riscv/riscv_semihosting.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 /***************************************************************************
  *   Copyright (C) 2018 by Liviu Ionescu                                   *
  *   ilg@livius.net                                                        *