1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <string.h>
4
5 /* main() */
main(int argc,char ** argv)6 int main(int argc, char **argv)
7 {
8 /* This program is passed in a minimum ISA that the underlying hardwre
9 * needs to support. If the HW supports this ISA or newer, return 0
10 * for supported. Otherwise, return 1 for not supported. Return 2 for
11 * usage error.
12 *
13 * First argument is required, it must be an ISA version number.
14 * Second argument "-debug" is optional. If passed, then the defined ISA
15 * values are printed.
16 */
17 char *min_isa;
18 int isa_level = 0;
19 int debug = 0;
20
21 /* set the isa_level set by the Make */
22
23 if ((argc == 3) && (strcmp(argv[2], "-debug") == 0)) {
24 debug = 1;
25
26 } else if (argc != 2) {
27 fprintf(stderr, "usage: min_power_ISA <ISA> [-debug]\n" );
28 exit(2);
29 }
30
31 min_isa = argv[1];
32
33 #ifdef HAS_ISA_2_05
34 if (debug) printf("HAS_ISA_2_05 is set\n");
35 isa_level = 5;
36 #endif
37
38 #ifdef HAS_ISA_2_06
39 if (debug) printf("HAS_ISA_2_06 is set\n");
40 isa_level = 6;
41 #endif
42
43 #ifdef HAS_ISA_2_07
44 if (debug) printf("HAS_ISA_2_07 is set\n");
45 isa_level = 7;
46 #endif
47
48 /* return 0 for supported (success), 1 for not supported (failure) */
49 if (strcmp (min_isa, "2.05") == 0) {
50 return !(isa_level >= 5);
51
52 } else if (strcmp (min_isa, "2.06") == 0) {
53 return !(isa_level >= 6);
54
55 } else if (strcmp (min_isa, "2.07") == 0) {
56 return !(isa_level >= 7);
57
58 } else {
59 fprintf(stderr, "ERROR: invalid ISA version. Valid versions numbers are:\n" );
60 fprintf(stderr, " 2.05, 2.06, 2.07\n" );
61 exit(2);
62 }
63
64 return 1;
65 }
66