2 * Simple program to generate defines out of facility lists that use the bit
3 * numbering scheme from the Princples of Operations: most significant bit
6 * Copyright IBM Corp. 2015
20 static struct facility_def facility_defs[] = {
23 * FACILITIES_ALS contains the list of facilities that are
24 * required to run a kernel that is compiled e.g. with
27 .name = "FACILITIES_ALS",
29 #ifdef CONFIG_HAVE_MARCH_Z900_FEATURES
30 0, /* N3 instructions */
31 1, /* z/Arch mode installed */
33 #ifdef CONFIG_HAVE_MARCH_Z990_FEATURES
34 18, /* long displacement facility */
36 #ifdef CONFIG_HAVE_MARCH_Z9_109_FEATURES
38 17, /* message security assist */
39 21, /* extended-immediate facility */
40 25, /* store clock fast */
42 #ifdef CONFIG_HAVE_MARCH_Z10_FEATURES
44 32, /* compare and swap and store */
45 33, /* compare and swap and store 2 */
46 34, /* general extension facility */
47 35, /* execute extensions */
49 #ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
50 45, /* fast-BCR, etc. */
52 #ifdef CONFIG_HAVE_MARCH_ZEC12_FEATURES
53 49, /* misc-instruction-extensions */
54 52, /* interlocked facility 2 */
56 #ifdef CONFIG_HAVE_MARCH_Z13_FEATURES
57 53, /* load-and-zero-rightmost-byte, etc. */
63 .name = "FACILITIES_KVM",
65 0, /* N3 instructions */
66 1, /* z/Arch mode installed */
67 2, /* z/Arch mode active */
68 3, /* DAT-enhancement */
69 4, /* idte segment table */
70 5, /* idte region table */
71 6, /* ASN-and-LX reuse */
73 8, /* enhanced-DAT 1 */
74 9, /* sense-running-status */
75 10, /* conditional sske */
77 14, /* nonquiescing key-setting */
78 73, /* transactional execution */
79 75, /* access-exception-fetch/store indication */
80 76, /* msa extension 3 */
81 77, /* msa extension 4 */
82 78, /* enhanced-DAT 2 */
88 static void print_facility_list(struct facility_def *def)
90 unsigned int high, bit, dword, i;
91 unsigned long long *array;
97 for (i = 0; def->bits[i] != -1; i++) {
98 bit = 63 - (def->bits[i] & 63);
99 dword = def->bits[i] / 64;
101 array = realloc(array, (dword + 1) * 8);
104 memset(array + high + 1, 0, (dword - high) * 8);
107 array[dword] |= 1ULL << bit;
109 printf("#define %s ", def->name);
110 for (i = 0; i <= high; i++)
111 printf("_AC(0x%016llx,UL)%c", array[i], i < high ? ',' : '\n');
115 static void print_facility_lists(void)
119 for (i = 0; i < sizeof(facility_defs) / sizeof(facility_defs[0]); i++)
120 print_facility_list(&facility_defs[i]);
123 int main(int argc, char **argv)
125 printf("#ifndef __ASM_S390_FACILITIES__\n");
126 printf("#define __ASM_S390_FACILITIES__\n");
128 printf(" * DO NOT MODIFY.\n");
130 printf(" * This file was generated by %s\n", __FILE__);
132 printf("#include <linux/const.h>\n\n");
133 print_facility_lists();
134 printf("\n#endif\n");