This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / asm-frv / segment.h

diff --git a/include/asm-frv/segment.h b/include/asm-frv/segment.h
new file mode 100644 (file)
index 0000000..61222f0
--- /dev/null
+++ b/include/asm-frv/segment.h
@@ -0,0 +1,46 @@
+/* segment.h: MMU segment settings
+ *
+ * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_SEGMENT_H
+#define _ASM_SEGMENT_H
+
+#include <linux/config.h>
+
+#ifndef __ASSEMBLY__
+
+typedef struct {
+       unsigned long seg;
+} mm_segment_t;
+
+#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) })
+
+#define KERNEL_DS              MAKE_MM_SEG(0xdfffffffUL)
+
+#ifdef CONFIG_MMU
+#define USER_DS                        MAKE_MM_SEG(TASK_SIZE - 1)
+#else
+#define USER_DS                        KERNEL_DS
+#endif
+
+#define get_ds()               (KERNEL_DS)
+#define get_fs()               (__current_thread_info->addr_limit)
+#define segment_eq(a,b)                ((a).seg == (b).seg)
+#define __kernel_ds_p()                segment_eq(get_fs(), KERNEL_DS)
+#define get_addr_limit()       (get_fs().seg)
+
+#define set_fs(_x)                                     \
+do {                                                   \
+       __current_thread_info->addr_limit = (_x);       \
+} while(0)
+
+
+#endif /* __ASSEMBLY__ */
+#endif /* _ASM_SEGMENT_H */