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@@ -1,5 +1,63 @@
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-#ifdef __uClinux__
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-#include "segment_no.h"
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+#ifndef _M68K_SEGMENT_H
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+#define _M68K_SEGMENT_H
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+
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+/* define constants */
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+/* Address spaces (FC0-FC2) */
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+#define USER_DATA (1)
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+#ifndef __USER_DS
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+#define __USER_DS (USER_DATA)
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+#endif
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+#define USER_PROGRAM (2)
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+#define SUPER_DATA (5)
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+#ifndef __KERNEL_DS
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+#define __KERNEL_DS (SUPER_DATA)
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+#endif
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+#define SUPER_PROGRAM (6)
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+#define CPU_SPACE (7)
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+
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+#ifndef __ASSEMBLY__
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+
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+typedef struct {
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+ unsigned long seg;
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+} mm_segment_t;
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+
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+#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) })
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+#define USER_DS MAKE_MM_SEG(__USER_DS)
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+#define KERNEL_DS MAKE_MM_SEG(__KERNEL_DS)
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+
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+/*
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+ * Get/set the SFC/DFC registers for MOVES instructions
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+ */
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+
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+static inline mm_segment_t get_fs(void)
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+{
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+#ifdef CONFIG_MMU
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+ mm_segment_t _v;
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+ __asm__ ("movec %/dfc,%0":"=r" (_v.seg):);
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+
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+ return _v;
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#else
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-#include "segment_mm.h"
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+ return USER_DS;
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+#endif
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+}
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+
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+static inline mm_segment_t get_ds(void)
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+{
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+ /* return the supervisor data space code */
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+ return KERNEL_DS;
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+}
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+
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+static inline void set_fs(mm_segment_t val)
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+{
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+#ifdef CONFIG_MMU
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+ __asm__ __volatile__ ("movec %0,%/sfc\n\t"
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+ "movec %0,%/dfc\n\t"
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+ : /* no outputs */ : "r" (val.seg) : "memory");
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#endif
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+}
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+
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+#define segment_eq(a,b) ((a).seg == (b).seg)
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+
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+#endif /* __ASSEMBLY__ */
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+
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+#endif /* _M68K_SEGMENT_H */
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