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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-26 10:33:01 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-26 10:33:01 -0800
commitac3d266bf1bbbdd7efb6bd6760f2ee29e43bb132 (patch)
treed498e947176f4b77938034ff6c6427f9875da721 /arch/m68k/include/asm/movs.h
parent9f4863b7dc7f545bb3a01746feafdc1208e86c89 (diff)
parent49148020bcb6910ce71417bd990a5ce7017f9bd3 (diff)
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68k,m68knommu: merge header files Resolve trivial conflict in arch/m68knommu/include/asm/Kbuild
Diffstat (limited to 'arch/m68k/include/asm/movs.h')
-rw-r--r--arch/m68k/include/asm/movs.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/movs.h b/arch/m68k/include/asm/movs.h
new file mode 100644
index 00000000000..67dbea36960
--- /dev/null
+++ b/arch/m68k/include/asm/movs.h
@@ -0,0 +1,55 @@
+#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