1 // SPDX-License-Identifier: GPL-2.0 1
2 /*
3 * Simple program to generate defines out of f
4 * numbering scheme from the Princples of Oper
5 * has bit number 0.
6 *
7 * Copyright IBM Corp. 2015, 2018
8 *
9 */
10
11 #include <strings.h>
12 #include <string.h>
13 #include <stdlib.h>
14 #include <stdio.h>
15
16 struct facility_def {
17 char *name;
18 int *bits;
19 };
20
21 static struct facility_def facility_defs[] = {
22 {
23 /*
24 * FACILITIES_ALS contains the
25 * required to run a kernel th
26 * -march=<machine>.
27 */
28 .name = "FACILITIES_ALS",
29 .bits = (int[]){
30 0, /* N3 instructions
31 1, /* z/Arch mode ins
32 18, /* long displaceme
33 21, /* extended-immedi
34 25, /* store clock fas
35 27, /* mvcos */
36 32, /* compare and swa
37 33, /* compare and swa
38 34, /* general instruc
39 35, /* execute extensi
40 #ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
41 45, /* fast-BCR, etc.
42 #endif
43 #ifdef CONFIG_HAVE_MARCH_ZEC12_FEATURES
44 49, /* misc-instructio
45 52, /* interlocked fac
46 #endif
47 #ifdef CONFIG_HAVE_MARCH_Z13_FEATURES
48 53, /* load-and-zero-r
49 129, /* vector */
50 #endif
51 #ifdef CONFIG_HAVE_MARCH_Z14_FEATURES
52 58, /* miscellaneous-i
53 #endif
54 #ifdef CONFIG_HAVE_MARCH_Z15_FEATURES
55 61, /* miscellaneous-i
56 #endif
57 -1 /* END */
58 }
59 },
60 {
61 /*
62 * FACILITIES_KVM contains the
63 * of the default facility mas
64 * initial CPU model. If no CP
65 * with the non-hypervisor man
66 * guest facilities supported
67 */
68 .name = "FACILITIES_KVM",
69 .bits = (int[]){
70 0, /* N3 instructions
71 1, /* z/Arch mode ins
72 2, /* z/Arch mode act
73 3, /* DAT-enhancement
74 4, /* idte segment ta
75 5, /* idte region tab
76 6, /* ASN-and-LX reus
77 7, /* stfle */
78 8, /* enhanced-DAT 1
79 9, /* sense-running-s
80 10, /* conditional ssk
81 13, /* ipte-range */
82 14, /* nonquiescing ke
83 73, /* transactional e
84 75, /* access-exceptio
85 76, /* msa extension 3
86 77, /* msa extension 4
87 78, /* enhanced-DAT 2
88 130, /* instruction-ex
89 131, /* enhanced-SOP 2
90 139, /* multiple epoch
91 146, /* msa extension
92 150, /* enhanced sort
93 151, /* deflate conver
94 155, /* msa extension
95 -1 /* END */
96 }
97 },
98 {
99 /*
100 * FACILITIES_KVM_CPUMODEL con
101 * that can be enabled by CPU
102 * it. These facilities are no
103 * CPU model support.
104 */
105
106 .name = "FACILITIES_KVM_CPUMOD
107 .bits = (int[]){
108 12, /* AP Query Config
109 15, /* AP Facilities T
110 156, /* etoken facilit
111 165, /* nnpa facility
112 193, /* bear enhanceme
113 194, /* rdp enhancemen
114 196, /* processor acti
115 197, /* processor acti
116 -1 /* END */
117 }
118 },
119 };
120
121 static void print_facility_list(struct facilit
122 {
123 unsigned int high, bit, dword, i;
124 unsigned long long *array;
125
126 array = calloc(1, 8);
127 if (!array)
128 exit(EXIT_FAILURE);
129 high = 0;
130 for (i = 0; def->bits[i] != -1; i++) {
131 bit = 63 - (def->bits[i] & 63)
132 dword = def->bits[i] / 64;
133 if (dword > high) {
134 array = realloc(array,
135 if (!array)
136 exit(EXIT_FAIL
137 memset(array + high +
138 high = dword;
139 }
140 array[dword] |= 1ULL << bit;
141 }
142 printf("#define %s ", def->name);
143 for (i = 0; i <= high; i++)
144 printf("_AC(0x%016llx,UL)%c",
145 free(array);
146 }
147
148 static void print_facility_lists(void)
149 {
150 unsigned int i;
151
152 for (i = 0; i < sizeof(facility_defs)
153 print_facility_list(&facility_
154 }
155
156 int main(int argc, char **argv)
157 {
158 printf("#ifndef __ASM_S390_FACILITY_DE
159 printf("#define __ASM_S390_FACILITY_DE
160 printf("/*\n");
161 printf(" * DO NOT MODIFY.\n");
162 printf(" *\n");
163 printf(" * This file was generated by
164 printf(" */\n\n");
165 printf("#include <linux/const.h>\n\n")
166 print_facility_lists();
167 printf("\n#endif\n");
168 return 0;
169 }
170
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