1#include <stdio.h>
2#include <stdlib.h>
3#include <string.h>
4
5/* main() */
6int main(int argc, char **argv)
7{
8   /* This program is passed in a minimum ISA that the underlying hardware
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#ifdef HAS_ISA_3_00
49   if (debug) printf("HAS_ISA_3_00 is set\n");
50   isa_level = 8;
51#endif
52
53   /* return 0 for supported (success), 1 for not supported (failure) */
54   if (strcmp (min_isa, "2.05") == 0) {
55      return !(isa_level >= 5);
56
57   } else if (strcmp (min_isa, "2.06") == 0) {
58      return !(isa_level >= 6);
59
60   } else if (strcmp (min_isa, "2.07") == 0) {
61      return !(isa_level >= 7);
62
63   } else if (strcmp (min_isa, "3.00") == 0) {
64      return !(isa_level >= 8);
65
66   } else {
67      fprintf(stderr, "ERROR: invalid ISA version '%s'.  Valid versions numbers are:\n", min_isa);
68      fprintf(stderr, "       2.05, 2.06, 2.07, 3.00\n" );
69      exit(2);
70   }
71
72   return 1;
73}
74