1 // SPDX-License-Identifier: GPL-2.0
3 * Simple program to generate defines out of facility lists that use the bit
4 * numbering scheme from the Princples of Operations: most significant bit
7 * Copyright IBM Corp. 2015
21 static struct facility_def facility_defs[] = {
24 * FACILITIES_ALS contains the list of facilities that are
25 * required to run a kernel that is compiled e.g. with
28 .name = "FACILITIES_ALS",
30 #ifdef CONFIG_HAVE_MARCH_Z900_FEATURES
31 0, /* N3 instructions */
32 1, /* z/Arch mode installed */
34 #ifdef CONFIG_HAVE_MARCH_Z990_FEATURES
35 18, /* long displacement facility */
37 #ifdef CONFIG_HAVE_MARCH_Z9_109_FEATURES
38 21, /* extended-immediate facility */
39 25, /* store clock fast */
41 #ifdef CONFIG_HAVE_MARCH_Z10_FEATURES
43 32, /* compare and swap and store */
44 33, /* compare and swap and store 2 */
45 34, /* general instructions extension */
46 35, /* execute extensions */
48 #ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
49 45, /* fast-BCR, etc. */
51 #ifdef CONFIG_HAVE_MARCH_ZEC12_FEATURES
52 49, /* misc-instruction-extensions */
53 52, /* interlocked facility 2 */
55 #ifdef CONFIG_HAVE_MARCH_Z13_FEATURES
56 53, /* load-and-zero-rightmost-byte, etc. */
58 #ifdef CONFIG_HAVE_MARCH_Z14_FEATURES
59 58, /* miscellaneous-instruction-extension 2 */
66 * FACILITIES_KVM contains the list of facilities that are part
67 * of the default facility mask and list that are passed to the
68 * initial CPU model. If no CPU model is used, this, together
69 * with the non-hypervisor managed bits, is the maximum list of
70 * guest facilities supported by KVM.
72 .name = "FACILITIES_KVM",
74 0, /* N3 instructions */
75 1, /* z/Arch mode installed */
76 2, /* z/Arch mode active */
77 3, /* DAT-enhancement */
78 4, /* idte segment table */
79 5, /* idte region table */
80 6, /* ASN-and-LX reuse */
82 8, /* enhanced-DAT 1 */
83 9, /* sense-running-status */
84 10, /* conditional sske */
86 14, /* nonquiescing key-setting */
87 73, /* transactional execution */
88 75, /* access-exception-fetch/store indication */
89 76, /* msa extension 3 */
90 77, /* msa extension 4 */
91 78, /* enhanced-DAT 2 */
92 130, /* instruction-execution-protection */
93 131, /* enhanced-SOP 2 and side-effect */
94 139, /* multiple epoch facility */
95 146, /* msa extension 8 */
101 * FACILITIES_KVM_CPUMODEL contains the list of facilities
102 * that can be enabled by CPU model code if the host supports
103 * it. These facilities are not passed to the guest without
107 .name = "FACILITIES_KVM_CPUMODEL",
114 static void print_facility_list(struct facility_def *def)
116 unsigned int high, bit, dword, i;
117 unsigned long long *array;
119 array = calloc(1, 8);
123 for (i = 0; def->bits[i] != -1; i++) {
124 bit = 63 - (def->bits[i] & 63);
125 dword = def->bits[i] / 64;
127 array = realloc(array, (dword + 1) * 8);
130 memset(array + high + 1, 0, (dword - high) * 8);
133 array[dword] |= 1ULL << bit;
135 printf("#define %s ", def->name);
136 for (i = 0; i <= high; i++)
137 printf("_AC(0x%016llx,UL)%c", array[i], i < high ? ',' : '\n');
141 static void print_facility_lists(void)
145 for (i = 0; i < sizeof(facility_defs) / sizeof(facility_defs[0]); i++)
146 print_facility_list(&facility_defs[i]);
149 int main(int argc, char **argv)
151 printf("#ifndef __ASM_S390_FACILITY_DEFS__\n");
152 printf("#define __ASM_S390_FACILITY_DEFS__\n");
154 printf(" * DO NOT MODIFY.\n");
156 printf(" * This file was generated by %s\n", __FILE__);
158 printf("#include <linux/const.h>\n\n");
159 print_facility_lists();
160 printf("\n#endif\n");