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-rw-r--r--kernel/arch/sh/include/asm/uaccess_64.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/kernel/arch/sh/include/asm/uaccess_64.h b/kernel/arch/sh/include/asm/uaccess_64.h
new file mode 100644
index 000000000..c01376c76
--- /dev/null
+++ b/kernel/arch/sh/include/asm/uaccess_64.h
@@ -0,0 +1,87 @@
+#ifndef __ASM_SH_UACCESS_64_H
+#define __ASM_SH_UACCESS_64_H
+
+/*
+ * include/asm-sh/uaccess_64.h
+ *
+ * Copyright (C) 2000, 2001 Paolo Alberelli
+ * Copyright (C) 2003, 2004 Paul Mundt
+ *
+ * User space memory access functions
+ *
+ * Copyright (C) 1999 Niibe Yutaka
+ *
+ * Based on:
+ * MIPS implementation version 1.15 by
+ * Copyright (C) 1996, 1997, 1998 by Ralf Baechle
+ * and i386 version.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#define __get_user_size(x,ptr,size,retval) \
+do { \
+ retval = 0; \
+ switch (size) { \
+ case 1: \
+ retval = __get_user_asm_b((void *)&x, \
+ (long)ptr); \
+ break; \
+ case 2: \
+ retval = __get_user_asm_w((void *)&x, \
+ (long)ptr); \
+ break; \
+ case 4: \
+ retval = __get_user_asm_l((void *)&x, \
+ (long)ptr); \
+ break; \
+ case 8: \
+ retval = __get_user_asm_q((void *)&x, \
+ (long)ptr); \
+ break; \
+ default: \
+ __get_user_unknown(); \
+ break; \
+ } \
+} while (0)
+
+extern long __get_user_asm_b(void *, long);
+extern long __get_user_asm_w(void *, long);
+extern long __get_user_asm_l(void *, long);
+extern long __get_user_asm_q(void *, long);
+extern void __get_user_unknown(void);
+
+#define __put_user_size(x,ptr,size,retval) \
+do { \
+ retval = 0; \
+ switch (size) { \
+ case 1: \
+ retval = __put_user_asm_b((void *)&x, \
+ (__force long)ptr); \
+ break; \
+ case 2: \
+ retval = __put_user_asm_w((void *)&x, \
+ (__force long)ptr); \
+ break; \
+ case 4: \
+ retval = __put_user_asm_l((void *)&x, \
+ (__force long)ptr); \
+ break; \
+ case 8: \
+ retval = __put_user_asm_q((void *)&x, \
+ (__force long)ptr); \
+ break; \
+ default: \
+ __put_user_unknown(); \
+ } \
+} while (0)
+
+extern long __put_user_asm_b(void *, long);
+extern long __put_user_asm_w(void *, long);
+extern long __put_user_asm_l(void *, long);
+extern long __put_user_asm_q(void *, long);
+extern void __put_user_unknown(void);
+
+#endif /* __ASM_SH_UACCESS_64_H */