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c30f6828 HC |
1 | /* |
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 | |
4 | * has bit number 0. | |
5 | * | |
6 | * Copyright IBM Corp. 2015 | |
7 | * | |
8 | */ | |
9 | ||
c30f6828 HC |
10 | #include <strings.h> |
11 | #include <string.h> | |
12 | #include <stdlib.h> | |
13 | #include <stdio.h> | |
d1f7e8f8 MY |
14 | |
15 | struct facility_def { | |
16 | char *name; | |
17 | int *bits; | |
18 | }; | |
19 | ||
20 | static struct facility_def facility_defs[] = { | |
21 | { | |
22 | /* | |
23 | * FACILITIES_ALS contains the list of facilities that are | |
24 | * required to run a kernel that is compiled e.g. with | |
25 | * -march=<machine>. | |
26 | */ | |
27 | .name = "FACILITIES_ALS", | |
28 | .bits = (int[]){ | |
29 | #ifdef CONFIG_HAVE_MARCH_Z900_FEATURES | |
30 | 0, /* N3 instructions */ | |
31 | 1, /* z/Arch mode installed */ | |
32 | #endif | |
33 | #ifdef CONFIG_HAVE_MARCH_Z990_FEATURES | |
34 | 18, /* long displacement facility */ | |
35 | #endif | |
36 | #ifdef CONFIG_HAVE_MARCH_Z9_109_FEATURES | |
37 | 7, /* stfle */ | |
38 | 17, /* message security assist */ | |
39 | 21, /* extended-immediate facility */ | |
40 | 25, /* store clock fast */ | |
41 | #endif | |
42 | #ifdef CONFIG_HAVE_MARCH_Z10_FEATURES | |
43 | 27, /* mvcos */ | |
44 | 32, /* compare and swap and store */ | |
45 | 33, /* compare and swap and store 2 */ | |
46 | 34, /* general extension facility */ | |
47 | 35, /* execute extensions */ | |
48 | #endif | |
49 | #ifdef CONFIG_HAVE_MARCH_Z196_FEATURES | |
50 | 45, /* fast-BCR, etc. */ | |
51 | #endif | |
52 | #ifdef CONFIG_HAVE_MARCH_ZEC12_FEATURES | |
53 | 49, /* misc-instruction-extensions */ | |
54 | 52, /* interlocked facility 2 */ | |
55 | #endif | |
56 | #ifdef CONFIG_HAVE_MARCH_Z13_FEATURES | |
57 | 53, /* load-and-zero-rightmost-byte, etc. */ | |
58 | #endif | |
59 | -1 /* END */ | |
60 | } | |
61 | }, | |
62 | { | |
63 | .name = "FACILITIES_KVM", | |
64 | .bits = (int[]){ | |
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 */ | |
72 | 7, /* stfle */ | |
73 | 8, /* enhanced-DAT 1 */ | |
74 | 9, /* sense-running-status */ | |
75 | 10, /* conditional sske */ | |
76 | 13, /* ipte-range */ | |
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 */ | |
83 | -1 /* END */ | |
84 | } | |
85 | }, | |
86 | }; | |
c30f6828 HC |
87 | |
88 | static void print_facility_list(struct facility_def *def) | |
89 | { | |
90 | unsigned int high, bit, dword, i; | |
91 | unsigned long long *array; | |
92 | ||
93 | array = calloc(1, 8); | |
94 | if (!array) | |
95 | exit(EXIT_FAILURE); | |
96 | high = 0; | |
97 | for (i = 0; def->bits[i] != -1; i++) { | |
98 | bit = 63 - (def->bits[i] & 63); | |
99 | dword = def->bits[i] / 64; | |
100 | if (dword > high) { | |
101 | array = realloc(array, (dword + 1) * 8); | |
102 | if (!array) | |
103 | exit(EXIT_FAILURE); | |
104 | memset(array + high + 1, 0, (dword - high) * 8); | |
105 | high = dword; | |
106 | } | |
107 | array[dword] |= 1ULL << bit; | |
108 | } | |
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'); | |
c30f6828 HC |
112 | free(array); |
113 | } | |
114 | ||
115 | static void print_facility_lists(void) | |
116 | { | |
117 | unsigned int i; | |
118 | ||
119 | for (i = 0; i < sizeof(facility_defs) / sizeof(facility_defs[0]); i++) | |
120 | print_facility_list(&facility_defs[i]); | |
121 | } | |
122 | ||
123 | int main(int argc, char **argv) | |
124 | { | |
125 | printf("#ifndef __ASM_S390_FACILITIES__\n"); | |
126 | printf("#define __ASM_S390_FACILITIES__\n"); | |
127 | printf("/*\n"); | |
128 | printf(" * DO NOT MODIFY.\n"); | |
129 | printf(" *\n"); | |
130 | printf(" * This file was generated by %s\n", __FILE__); | |
131 | printf(" */\n\n"); | |
132 | printf("#include <linux/const.h>\n\n"); | |
133 | print_facility_lists(); | |
134 | printf("\n#endif\n"); | |
135 | return 0; | |
136 | } |