Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/arch/unicore32/include/asm/uaccess.h b/arch/unicore32/include/asm/uaccess.h
new file mode 100644
index 000000000..1d55f2f83
--- /dev/null
+++ b/arch/unicore32/include/asm/uaccess.h
@@ -0,0 +1,41 @@
+/*
+ * linux/arch/unicore32/include/asm/uaccess.h
+ *
+ * Code specific to PKUnity SoC and UniCore ISA
+ *
+ * Copyright (C) 2001-2010 GUAN Xue-tao
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __UNICORE_UACCESS_H__
+#define __UNICORE_UACCESS_H__
+
+#include <asm/memory.h>
+
+#define __strncpy_from_user	__strncpy_from_user
+#define __strnlen_user		__strnlen_user
+#define __clear_user		__clear_user
+
+#define __kernel_ok		(uaccess_kernel())
+#define __user_ok(addr, size)	(((size) <= TASK_SIZE)			\
+				&& ((addr) <= TASK_SIZE - (size)))
+#define __access_ok(addr, size)	(__kernel_ok || __user_ok((addr), (size)))
+
+extern unsigned long __must_check
+raw_copy_from_user(void *to, const void __user *from, unsigned long n);
+extern unsigned long __must_check
+raw_copy_to_user(void __user *to, const void *from, unsigned long n);
+extern unsigned long __must_check
+__clear_user(void __user *addr, unsigned long n);
+extern unsigned long __must_check
+__strncpy_from_user(char *to, const char __user *from, unsigned long count);
+extern unsigned long
+__strnlen_user(const char __user *s, long n);
+#define INLINE_COPY_FROM_USER
+#define INLINE_COPY_TO_USER
+
+#include <asm-generic/uaccess.h>
+
+#endif /* __UNICORE_UACCESS_H__ */