| /* |
| * Simple program to generate defines out of facility lists that use the bit |
| * numbering scheme from the Princples of Operations: most significant bit |
| * has bit number 0. |
| * |
| * Copyright IBM Corp. 2015 |
| * |
| */ |
| |
| #include <strings.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| |
| struct facility_def { |
| char *name; |
| int *bits; |
| }; |
| |
| static struct facility_def facility_defs[] = { |
| { |
| /* |
| * FACILITIES_ALS contains the list of facilities that are |
| * required to run a kernel that is compiled e.g. with |
| * -march=<machine>. |
| */ |
| .name = "FACILITIES_ALS", |
| .bits = (int[]){ |
| #ifdef CONFIG_HAVE_MARCH_Z900_FEATURES |
| 0, /* N3 instructions */ |
| 1, /* z/Arch mode installed */ |
| #endif |
| #ifdef CONFIG_HAVE_MARCH_Z990_FEATURES |
| 18, /* long displacement facility */ |
| #endif |
| #ifdef CONFIG_HAVE_MARCH_Z9_109_FEATURES |
| 7, /* stfle */ |
| 17, /* message security assist */ |
| 21, /* extended-immediate facility */ |
| 25, /* store clock fast */ |
| #endif |
| #ifdef CONFIG_HAVE_MARCH_Z10_FEATURES |
| 27, /* mvcos */ |
| 32, /* compare and swap and store */ |
| 33, /* compare and swap and store 2 */ |
| 34, /* general extension facility */ |
| 35, /* execute extensions */ |
| #endif |
| #ifdef CONFIG_HAVE_MARCH_Z196_FEATURES |
| 45, /* fast-BCR, etc. */ |
| #endif |
| #ifdef CONFIG_HAVE_MARCH_ZEC12_FEATURES |
| 49, /* misc-instruction-extensions */ |
| 52, /* interlocked facility 2 */ |
| #endif |
| #ifdef CONFIG_HAVE_MARCH_Z13_FEATURES |
| 53, /* load-and-zero-rightmost-byte, etc. */ |
| #endif |
| -1 /* END */ |
| } |
| }, |
| { |
| .name = "FACILITIES_KVM", |
| .bits = (int[]){ |
| 0, /* N3 instructions */ |
| 1, /* z/Arch mode installed */ |
| 2, /* z/Arch mode active */ |
| 3, /* DAT-enhancement */ |
| 4, /* idte segment table */ |
| 5, /* idte region table */ |
| 6, /* ASN-and-LX reuse */ |
| 7, /* stfle */ |
| 8, /* enhanced-DAT 1 */ |
| 9, /* sense-running-status */ |
| 10, /* conditional sske */ |
| 13, /* ipte-range */ |
| 14, /* nonquiescing key-setting */ |
| 73, /* transactional execution */ |
| 75, /* access-exception-fetch/store indication */ |
| 76, /* msa extension 3 */ |
| 77, /* msa extension 4 */ |
| 78, /* enhanced-DAT 2 */ |
| 130, /* instruction-execution-protection */ |
| 131, /* enhanced-SOP 2 and side-effect */ |
| 146, /* msa extension 8 */ |
| -1 /* END */ |
| } |
| }, |
| }; |
| |
| static void print_facility_list(struct facility_def *def) |
| { |
| unsigned int high, bit, dword, i; |
| unsigned long long *array; |
| |
| array = calloc(1, 8); |
| if (!array) |
| exit(EXIT_FAILURE); |
| high = 0; |
| for (i = 0; def->bits[i] != -1; i++) { |
| bit = 63 - (def->bits[i] & 63); |
| dword = def->bits[i] / 64; |
| if (dword > high) { |
| array = realloc(array, (dword + 1) * 8); |
| if (!array) |
| exit(EXIT_FAILURE); |
| memset(array + high + 1, 0, (dword - high) * 8); |
| high = dword; |
| } |
| array[dword] |= 1ULL << bit; |
| } |
| printf("#define %s ", def->name); |
| for (i = 0; i <= high; i++) |
| printf("_AC(0x%016llx,UL)%c", array[i], i < high ? ',' : '\n'); |
| free(array); |
| } |
| |
| static void print_facility_lists(void) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < sizeof(facility_defs) / sizeof(facility_defs[0]); i++) |
| print_facility_list(&facility_defs[i]); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| printf("#ifndef __ASM_S390_FACILITIES__\n"); |
| printf("#define __ASM_S390_FACILITIES__\n"); |
| printf("/*\n"); |
| printf(" * DO NOT MODIFY.\n"); |
| printf(" *\n"); |
| printf(" * This file was generated by %s\n", __FILE__); |
| printf(" */\n\n"); |
| printf("#include <linux/const.h>\n\n"); |
| print_facility_lists(); |
| printf("\n#endif\n"); |
| return 0; |
| } |