-
Notifications
You must be signed in to change notification settings - Fork 0
/
check_inputs.c
90 lines (67 loc) · 1.83 KB
/
check_inputs.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
//
// check_inputs.c
// Cache_simulator1
//
// Created by Dheeraj Kumar Ramchandani on 04/06/20.
// Copyright © 2020 Dheeraj Kumar Ramchandani. All rights reserved.
//
#include "check_inputs.h"
#include <stdlib.h>
int isPow2(int x) {
int i;
for(i = 0; i < 31; i++) {
if(x == 1<<i)
return 1;
}
return 0;
}
int validCacheSize(u_int32_t cache_size) {
if(isPow2(cache_size))
return cache_size;
return 0;
}
int validAssociativity(int assoc) {
if(!isPow2(assoc))
return 0;
return assoc;
}
int validBlockSize(int blocksize) {
if(isPow2(blocksize))
return blocksize;
return 0;
}
char validReplaceAlg(const char *replacealg) {
char replaceAlg='l';
if(strcmp(replacealg,"-LRU") == 0)
replaceAlg = 'l';
else if(strcmp(replacealg,"-FIFO") == 0)
replaceAlg = 'f';
return replaceAlg;
}
char validWritePolicy(const char *writepolicy) {
char writePolicy ='t';
if(strcmp(writepolicy,"-wt") == 0)
writePolicy = 't';
else if(strcmp(writepolicy,"-wb") == 0)
writePolicy = 'b';
return writePolicy;
}
int valid_inputs(const char *cache_size,const char *assoc,const char *block_size,const char *write_policy,const char *replace_alg, Cache *currsim)
{
int x = validCacheSize(atoi(cache_size));
if( x)
currsim->cachesize=x;
else return 0;
x = validAssociativity(atoi( assoc));
if( x)
currsim->associativity=x;
else return 0;
x = validBlockSize(atoi( block_size));
if( x)
currsim->block_size =x;
else return 0;
currsim->cache_lines = (currsim->cachesize / ( currsim->associativity * currsim->block_size));
currsim->write_policy = validWritePolicy(write_policy);
currsim->replace_algo = validReplaceAlg(replace_alg);
return 1;
}