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Fix cache_access

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Adam Goldsmith 2016-04-28 01:54:20 -04:00
parent 9997f58137
commit e457f4dee0
1 changed files with 6 additions and 10 deletions
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16
csim.c
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@ -234,17 +234,13 @@ char cache_access(linked_line** cache, long address, int set_bits, int block_bit
else if (line->tag == tag) out = 'H';
else out = 'E';
if (line != set_head) {
line->newer = NULL;
set_head->newer = line;
line->older = set_head;
if (line->older) {
if(!(line == set_head)) {
line->newer->older = line->older;
if(line->older)
line->older->newer = line->newer;
if (line->older->older == line)
line->older->older = NULL;
}
if (line->newer)
line->newer->older = line->older;
line->newer = NULL;
line->older = set_head;
set_head->newer = line;
cache[set] = line;
}