arch/s390/include/asm/nospec-branch.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_S390_EXPOLINE_H
   3 #define _ASM_S390_EXPOLINE_H
   4
   5 #ifndef __ASSEMBLY__
   6
   7 #include <linux/types.h>
   8
   9 extern int nospec_disable;
  10
  11 void nospec_init_branches(void);
  12 void nospec_auto_detect(void);
  13 void nospec_revert(s32 *start, s32 *end);
  14
  15 static inline bool nospec_uses_trampoline(void)
  16 {
  17         return __is_defined(CC_USING_EXPOLINE) && !nospec_disable;
  18 }
  19
  20 #ifdef CONFIG_EXPOLINE_EXTERN
  21
  22 void __s390_indirect_jump_r1(void);
  23 void __s390_indirect_jump_r2(void);
  24 void __s390_indirect_jump_r3(void);
  25 void __s390_indirect_jump_r4(void);
  26 void __s390_indirect_jump_r5(void);
  27 void __s390_indirect_jump_r6(void);
  28 void __s390_indirect_jump_r7(void);
  29 void __s390_indirect_jump_r8(void);
  30 void __s390_indirect_jump_r9(void);
  31 void __s390_indirect_jump_r10(void);
  32 void __s390_indirect_jump_r11(void);
  33 void __s390_indirect_jump_r12(void);
  34 void __s390_indirect_jump_r13(void);
  35 void __s390_indirect_jump_r14(void);
  36 void __s390_indirect_jump_r15(void);
  37
  38 #endif
  39
  40 #endif /* __ASSEMBLY__ */
  41
  42 #endif /* _ASM_S390_EXPOLINE_H */