// SPDX-License-Identifier: GPL-2.0 /* * 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 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 instructions extension */ 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 #ifdef CONFIG_HAVE_MARCH_Z14_FEATURES 58, /* miscellaneous-instruction-extension 2 */ #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 */ 139, /* multiple epoch facility */ 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; }