1 files changed, 56 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/movs.h b/arch/m68k/include/asm/movs.h
new file mode 100644
index 0000000000..390d7b47b8
--- /dev/null
+++ b/arch/m68k/include/asm/movs.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef  __MOVS_H__
+#define __MOVS_H__
+
+/*
+** movs.h
+**
+** Inline assembly macros to generate movs & related instructions
+*/
+
+/* Set DFC register value */
+
+#define SET_DFC(x) \
+        __asm__ __volatile__ (" movec %0,%/dfc" : : "d" (x));
+
+/* Get DFC register value */
+
+#define GET_DFC(x) \
+        __asm__ __volatile__ (" movec %/dfc, %0" : "=d" (x) : );
+
+/* Set SFC register value */
+
+#define SET_SFC(x) \
+        __asm__ __volatile__ (" movec %0,%/sfc" : : "d" (x));
+
+/* Get SFC register value */
+
+#define GET_SFC(x) \
+        __asm__ __volatile__ (" movec %/sfc, %0" : "=d" (x) : );
+
+#define SET_VBR(x) \
+        __asm__ __volatile__ (" movec %0,%/vbr" : : "r" (x));
+
+#define GET_VBR(x) \
+        __asm__ __volatile__ (" movec %/vbr, %0" : "=g" (x) : );
+
+/* Set a byte using the "movs" instruction */
+
+#define SET_CONTROL_BYTE(addr,value) \
+        __asm__ __volatile__ (" movsb %0, %1@" : : "d" (value), "a" (addr));
+
+/* Get a byte using the "movs" instruction */
+
+#define GET_CONTROL_BYTE(addr,value) \
+        __asm__ __volatile__ (" movsb %1@, %0" : "=d" (value) : "a" (addr));
+
+/* Set a (long)word using the "movs" instruction */
+
+#define SET_CONTROL_WORD(addr,value) \
+        __asm__ __volatile__ (" movsl %0, %1@" : : "d" (value), "a" (addr));
+
+/* Get a (long)word using the "movs" instruction */
+
+#define GET_CONTROL_WORD(addr,value) \
+        __asm__ __volatile__ (" movsl %1@, %0" : "=d" (value) : "a" (addr));
+#endif