arch/arm64/include/asm/exception.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Based on arch/arm/include/asm/exception.h
   4  *
   5  * Copyright (C) 2012 ARM Ltd.
   6  */
   7 #ifndef __ASM_EXCEPTION_H
   8 #define __ASM_EXCEPTION_H
   9
  10 #include <asm/esr.h>
  11 #include <asm/ptrace.h>
  12
  13 #include <linux/interrupt.h>
  14
  15 #define __exception_irq_entry   __irq_entry
  16
  17 static inline unsigned long disr_to_esr(u64 disr)
  18 {
  19         unsigned long esr = ESR_ELx_EC_SERROR << ESR_ELx_EC_SHIFT;
  20
  21         if ((disr & DISR_EL1_IDS) == 0)
  22                 esr |= (disr & DISR_EL1_ESR_MASK);
  23         else
  24                 esr |= (disr & ESR_ELx_ISS_MASK);
  25
  26         return esr;
  27 }
  28
  29 asmlinkage void __noreturn handle_bad_stack(struct pt_regs *regs);
  30
  31 asmlinkage void el1t_64_sync_handler(struct pt_regs *regs);
  32 asmlinkage void el1t_64_irq_handler(struct pt_regs *regs);
  33 asmlinkage void el1t_64_fiq_handler(struct pt_regs *regs);
  34 asmlinkage void el1t_64_error_handler(struct pt_regs *regs);
  35
  36 asmlinkage void el1h_64_sync_handler(struct pt_regs *regs);
  37 asmlinkage void el1h_64_irq_handler(struct pt_regs *regs);
  38 asmlinkage void el1h_64_fiq_handler(struct pt_regs *regs);
  39 asmlinkage void el1h_64_error_handler(struct pt_regs *regs);
  40
  41 asmlinkage void el0t_64_sync_handler(struct pt_regs *regs);
  42 asmlinkage void el0t_64_irq_handler(struct pt_regs *regs);
  43 asmlinkage void el0t_64_fiq_handler(struct pt_regs *regs);
  44 asmlinkage void el0t_64_error_handler(struct pt_regs *regs);
  45
  46 asmlinkage void el0t_32_sync_handler(struct pt_regs *regs);
  47 asmlinkage void el0t_32_irq_handler(struct pt_regs *regs);
  48 asmlinkage void el0t_32_fiq_handler(struct pt_regs *regs);
  49 asmlinkage void el0t_32_error_handler(struct pt_regs *regs);
  50
  51 asmlinkage void call_on_irq_stack(struct pt_regs *regs,
  52                                   void (*func)(struct pt_regs *));
  53 asmlinkage void asm_exit_to_user_mode(struct pt_regs *regs);
  54
  55 void do_mem_abort(unsigned long far, unsigned long esr, struct pt_regs *regs);
  56 void do_el0_undef(struct pt_regs *regs, unsigned long esr);
  57 void do_el1_undef(struct pt_regs *regs, unsigned long esr);
  58 void do_el0_bti(struct pt_regs *regs);
  59 void do_el1_bti(struct pt_regs *regs, unsigned long esr);
  60 void do_el0_gcs(struct pt_regs *regs, unsigned long esr);
  61 void do_el1_gcs(struct pt_regs *regs, unsigned long esr);
  62 void do_debug_exception(unsigned long addr_if_watchpoint, unsigned long esr,
  63                         struct pt_regs *regs);
  64 void do_fpsimd_acc(unsigned long esr, struct pt_regs *regs);
  65 void do_sve_acc(unsigned long esr, struct pt_regs *regs);
  66 void do_sme_acc(unsigned long esr, struct pt_regs *regs);
  67 void do_fpsimd_exc(unsigned long esr, struct pt_regs *regs);
  68 void do_el0_sys(unsigned long esr, struct pt_regs *regs);
  69 void do_sp_pc_abort(unsigned long addr, unsigned long esr, struct pt_regs *regs);
  70 void bad_el0_sync(struct pt_regs *regs, int reason, unsigned long esr);
  71 void do_el0_cp15(unsigned long esr, struct pt_regs *regs);
  72 int do_compat_alignment_fixup(unsigned long addr, struct pt_regs *regs);
  73 void do_el0_svc(struct pt_regs *regs);
  74 void do_el0_svc_compat(struct pt_regs *regs);
  75 void do_el0_fpac(struct pt_regs *regs, unsigned long esr);
  76 void do_el1_fpac(struct pt_regs *regs, unsigned long esr);
  77 void do_el0_mops(struct pt_regs *regs, unsigned long esr);
  78 void do_el1_mops(struct pt_regs *regs, unsigned long esr);
  79 void do_serror(struct pt_regs *regs, unsigned long esr);
  80 void do_signal(struct pt_regs *regs);
  81
  82 void __noreturn panic_bad_stack(struct pt_regs *regs, unsigned long esr, unsigned long far);
  83 #endif  /* __ASM_EXCEPTION_H */