These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / h8300 / include / asm / segment.h

diff --git a/kernel/arch/h8300/include/asm/segment.h b/kernel/arch/h8300/include/asm/segment.h
new file mode 100644 (file)
index 0000000..48424c6
--- /dev/null
+++ b/kernel/arch/h8300/include/asm/segment.h
@@ -0,0 +1,45 @@
+#ifndef _H8300_SEGMENT_H
+#define _H8300_SEGMENT_H
+
+/* define constants */
+#define USER_DATA     (1)
+#ifndef __USER_DS
+#define __USER_DS     (USER_DATA)
+#endif
+#define USER_PROGRAM  (2)
+#define SUPER_DATA    (3)
+#ifndef __KERNEL_DS
+#define __KERNEL_DS   (SUPER_DATA)
+#endif
+#define SUPER_PROGRAM (4)
+
+#ifndef __ASSEMBLY__
+
+typedef struct {
+       unsigned long seg;
+} mm_segment_t;
+
+#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) })
+#define USER_DS                MAKE_MM_SEG(__USER_DS)
+#define KERNEL_DS      MAKE_MM_SEG(__KERNEL_DS)
+
+/*
+ * Get/set the SFC/DFC registers for MOVES instructions
+ */
+
+static inline mm_segment_t get_fs(void)
+{
+       return USER_DS;
+}
+
+static inline mm_segment_t get_ds(void)
+{
+       /* return the supervisor data space code */
+       return KERNEL_DS;
+}
+
+#define segment_eq(a, b)       ((a).seg == (b).seg)
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _H8300_SEGMENT_H */