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| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef _ASM_S390_EXPOLINE_H |
| 3 | #define _ASM_S390_EXPOLINE_H |
| 4 | |
| 5 | #ifndef __ASSEMBLER__ |
| 6 | |
| 7 | #include <linux/types.h> |
| 8 | #include <asm/facility.h> |
| 9 | |
| 10 | extern int nospec_disable; |
| 11 | extern int nobp; |
| 12 | |
| 13 | static inline bool nobp_enabled(void) |
| 14 | { |
| 15 | if (__is_defined(__DECOMPRESSOR)) |
| 16 | return false; |
| 17 | return nobp && test_facility(82); |
| 18 | } |
| 19 | |
| 20 | void nospec_init_branches(void); |
| 21 | void nospec_auto_detect(void); |
| 22 | void nospec_revert(s32 *start, s32 *end); |
| 23 | |
| 24 | static inline bool nospec_uses_trampoline(void) |
| 25 | { |
| 26 | return __is_defined(CC_USING_EXPOLINE) && !nospec_disable; |
| 27 | } |
| 28 | |
| 29 | void __s390_indirect_jump_r1(void); |
| 30 | void __s390_indirect_jump_r2(void); |
| 31 | void __s390_indirect_jump_r3(void); |
| 32 | void __s390_indirect_jump_r4(void); |
| 33 | void __s390_indirect_jump_r5(void); |
| 34 | void __s390_indirect_jump_r6(void); |
| 35 | void __s390_indirect_jump_r7(void); |
| 36 | void __s390_indirect_jump_r8(void); |
| 37 | void __s390_indirect_jump_r9(void); |
| 38 | void __s390_indirect_jump_r10(void); |
| 39 | void __s390_indirect_jump_r11(void); |
| 40 | void __s390_indirect_jump_r12(void); |
| 41 | void __s390_indirect_jump_r13(void); |
| 42 | void __s390_indirect_jump_r14(void); |
| 43 | void __s390_indirect_jump_r15(void); |
| 44 | |
| 45 | #endif /* __ASSEMBLER__ */ |
| 46 | |
| 47 | #endif /* _ASM_S390_EXPOLINE_H */ |
| 48 |
Warning: This file is not a C or C++ file. It does not have highlighting.