add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/sparc/lib/csum_copy_from_user.S
..
..
@@ -9,14 +9,14 @@
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 	.section .fixup, "ax";	\
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 	.align 4;		\
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 99:	retl;			\
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-	 mov	-1, %o0;	\
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+	 mov	0, %o0;		\
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 	.section __ex_table,"a";\
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 	.align 4;		\
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 	.word 98b, 99b;		\
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 	.text;			\
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 	.align 4;
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-#define FUNC_NAME		__csum_partial_copy_from_user
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+#define FUNC_NAME		csum_and_copy_from_user
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 #define LOAD(type,addr,dest)	type##a [addr] %asi, dest
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 #include "csum_copy.S"