| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * Headers for fault.c |
| * |
| * Copyright 2021 IBM Corp. |
| * |
| * Authors: |
| * Janosch Frank <frankja@linux.ibm.com> |
| */ |
| #ifndef _S390X_FAULT_H_ |
| #define _S390X_FAULT_H_ |
| |
| #include <bitops.h> |
| #include <asm/facility.h> |
| #include <asm/interrupt.h> |
| |
| /* Instruction execution prevention, i.e. no-execute, 101 */ |
| static inline bool prot_is_iep(union teid teid) |
| { |
| if (!test_facility(130)) |
| return false; |
| /* IEP installed -> ESOP2 installed */ |
| return teid_esop2_prot_code(teid) == PROT_IEP; |
| } |
| |
| void print_decode_teid(uint64_t teid); |
| |
| #endif /* _S390X_FAULT_H_ */ |
