carll | bc3a88f | 2015-09-16 23:33:40 +0000 | [diff] [blame^] | 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
| 3 | #include <string.h> |
| 4 | |
| 5 | /* main() */ |
| 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 | } |