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cd1836f583
The new Instruction Execution Protection needs to be enabled before the guest can use it. Therefore we pass the IEP facility bit to the guest and enable IEP interpretation. Signed-off-by: Janosch Frank <frankja@linux.vnet.ibm.com> Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
138 lines
3.4 KiB
C
138 lines
3.4 KiB
C
/*
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* Simple program to generate defines out of facility lists that use the bit
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* numbering scheme from the Princples of Operations: most significant bit
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* has bit number 0.
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*
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* Copyright IBM Corp. 2015
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*
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*/
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#include <strings.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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struct facility_def {
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char *name;
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int *bits;
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};
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static struct facility_def facility_defs[] = {
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{
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/*
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* FACILITIES_ALS contains the list of facilities that are
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* required to run a kernel that is compiled e.g. with
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* -march=<machine>.
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*/
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.name = "FACILITIES_ALS",
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.bits = (int[]){
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#ifdef CONFIG_HAVE_MARCH_Z900_FEATURES
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0, /* N3 instructions */
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1, /* z/Arch mode installed */
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#endif
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#ifdef CONFIG_HAVE_MARCH_Z990_FEATURES
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18, /* long displacement facility */
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#endif
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#ifdef CONFIG_HAVE_MARCH_Z9_109_FEATURES
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7, /* stfle */
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17, /* message security assist */
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21, /* extended-immediate facility */
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25, /* store clock fast */
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#endif
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#ifdef CONFIG_HAVE_MARCH_Z10_FEATURES
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27, /* mvcos */
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32, /* compare and swap and store */
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33, /* compare and swap and store 2 */
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34, /* general extension facility */
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35, /* execute extensions */
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#endif
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#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
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45, /* fast-BCR, etc. */
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#endif
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#ifdef CONFIG_HAVE_MARCH_ZEC12_FEATURES
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49, /* misc-instruction-extensions */
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52, /* interlocked facility 2 */
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#endif
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#ifdef CONFIG_HAVE_MARCH_Z13_FEATURES
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53, /* load-and-zero-rightmost-byte, etc. */
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#endif
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-1 /* END */
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}
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},
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{
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.name = "FACILITIES_KVM",
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.bits = (int[]){
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0, /* N3 instructions */
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1, /* z/Arch mode installed */
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2, /* z/Arch mode active */
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3, /* DAT-enhancement */
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4, /* idte segment table */
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5, /* idte region table */
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6, /* ASN-and-LX reuse */
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7, /* stfle */
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8, /* enhanced-DAT 1 */
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9, /* sense-running-status */
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10, /* conditional sske */
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13, /* ipte-range */
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14, /* nonquiescing key-setting */
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73, /* transactional execution */
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75, /* access-exception-fetch/store indication */
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76, /* msa extension 3 */
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77, /* msa extension 4 */
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78, /* enhanced-DAT 2 */
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130, /* instruction-execution-protection */
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131, /* enhanced-SOP 2 and side-effect */
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-1 /* END */
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}
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},
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};
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static void print_facility_list(struct facility_def *def)
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{
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unsigned int high, bit, dword, i;
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unsigned long long *array;
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array = calloc(1, 8);
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if (!array)
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exit(EXIT_FAILURE);
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high = 0;
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for (i = 0; def->bits[i] != -1; i++) {
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bit = 63 - (def->bits[i] & 63);
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dword = def->bits[i] / 64;
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if (dword > high) {
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array = realloc(array, (dword + 1) * 8);
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if (!array)
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exit(EXIT_FAILURE);
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memset(array + high + 1, 0, (dword - high) * 8);
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high = dword;
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}
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array[dword] |= 1ULL << bit;
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}
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printf("#define %s ", def->name);
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for (i = 0; i <= high; i++)
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printf("_AC(0x%016llx,UL)%c", array[i], i < high ? ',' : '\n');
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free(array);
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}
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static void print_facility_lists(void)
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{
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unsigned int i;
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for (i = 0; i < sizeof(facility_defs) / sizeof(facility_defs[0]); i++)
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print_facility_list(&facility_defs[i]);
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}
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int main(int argc, char **argv)
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{
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printf("#ifndef __ASM_S390_FACILITIES__\n");
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printf("#define __ASM_S390_FACILITIES__\n");
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printf("/*\n");
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printf(" * DO NOT MODIFY.\n");
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printf(" *\n");
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printf(" * This file was generated by %s\n", __FILE__);
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printf(" */\n\n");
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printf("#include <linux/const.h>\n\n");
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print_facility_lists();
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printf("\n#endif\n");
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return 0;
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}
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