Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | /*
* 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 extension facility */
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
-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 */
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;
}
|