add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/x86/lib/csum-partial_64.c
..
..
@@ -94,7 +94,7 @@
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 				    : "m" (*(unsigned long *)buff), 
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 				    "r" (zero),  "0" (result));
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 				--count; 
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-					buff += 8;
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+				buff += 8;
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 			}
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 			result = add32_with_carry(result>>32,
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 						  result&0xffffffff);