mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-17 00:46:49 +07:00
a0e2251132
Add detection for machine types 0x8562 and 8x8561 and set the ELF platform name to z15. Add the miscellaneous-instruction-extension 3 facility to the list of facilities for z15. And allow to generate code that only runs on a z15 machine. Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
172 lines
4.4 KiB
C
172 lines
4.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* 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, 2018
|
|
*
|
|
*/
|
|
|
|
#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 instructions extension */
|
|
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
|
|
#ifdef CONFIG_HAVE_MARCH_Z14_FEATURES
|
|
58, /* miscellaneous-instruction-extension 2 */
|
|
#endif
|
|
#ifdef CONFIG_HAVE_MARCH_Z15_FEATURES
|
|
61, /* miscellaneous-instruction-extension 3 */
|
|
#endif
|
|
-1 /* END */
|
|
}
|
|
},
|
|
{
|
|
/*
|
|
* FACILITIES_KVM contains the list of facilities that are part
|
|
* of the default facility mask and list that are passed to the
|
|
* initial CPU model. If no CPU model is used, this, together
|
|
* with the non-hypervisor managed bits, is the maximum list of
|
|
* guest facilities supported by KVM.
|
|
*/
|
|
.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 */
|
|
139, /* multiple epoch facility */
|
|
146, /* msa extension 8 */
|
|
150, /* enhanced sort */
|
|
151, /* deflate conversion */
|
|
155, /* msa extension 9 */
|
|
-1 /* END */
|
|
}
|
|
},
|
|
{
|
|
/*
|
|
* FACILITIES_KVM_CPUMODEL contains the list of facilities
|
|
* that can be enabled by CPU model code if the host supports
|
|
* it. These facilities are not passed to the guest without
|
|
* CPU model support.
|
|
*/
|
|
|
|
.name = "FACILITIES_KVM_CPUMODEL",
|
|
.bits = (int[]){
|
|
12, /* AP Query Configuration Information */
|
|
15, /* AP Facilities Test */
|
|
156, /* etoken facility */
|
|
-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_FACILITY_DEFS__\n");
|
|
printf("#define __ASM_S390_FACILITY_DEFS__\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;
|
|
}
|