add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/nds32/kernel/cacheinfo.c
..
..
@@ -13,7 +13,7 @@
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 	this_leaf->level = level;
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 	this_leaf->type = type;
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 	this_leaf->coherency_line_size = CACHE_LINE_SIZE(cache_type);
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-	this_leaf->number_of_sets = CACHE_SET(cache_type);;
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+	this_leaf->number_of_sets = CACHE_SET(cache_type);
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 	this_leaf->ways_of_associativity = CACHE_WAY(cache_type);
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 	this_leaf->size = this_leaf->number_of_sets *
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 	    this_leaf->coherency_line_size * this_leaf->ways_of_associativity;