cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

exception.h (2995B)

      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/kprobes.h>
     12#include <asm/ptrace.h>
     13
     14#include <linux/interrupt.h>
     15
     16#ifdef CONFIG_FUNCTION_GRAPH_TRACER
     17#define __exception_irq_entry	__irq_entry
     18#else
     19#define __exception_irq_entry	__kprobes
     20#endif
     21
     22static inline unsigned long disr_to_esr(u64 disr)
     23{
     24	unsigned long esr = ESR_ELx_EC_SERROR << ESR_ELx_EC_SHIFT;
     25
     26	if ((disr & DISR_EL1_IDS) == 0)
     27		esr |= (disr & DISR_EL1_ESR_MASK);
     28	else
     29		esr |= (disr & ESR_ELx_ISS_MASK);
     30
     31	return esr;
     32}
     33
     34asmlinkage void handle_bad_stack(struct pt_regs *regs);
     35
     36asmlinkage void el1t_64_sync_handler(struct pt_regs *regs);
     37asmlinkage void el1t_64_irq_handler(struct pt_regs *regs);
     38asmlinkage void el1t_64_fiq_handler(struct pt_regs *regs);
     39asmlinkage void el1t_64_error_handler(struct pt_regs *regs);
     40
     41asmlinkage void el1h_64_sync_handler(struct pt_regs *regs);
     42asmlinkage void el1h_64_irq_handler(struct pt_regs *regs);
     43asmlinkage void el1h_64_fiq_handler(struct pt_regs *regs);
     44asmlinkage void el1h_64_error_handler(struct pt_regs *regs);
     45
     46asmlinkage void el0t_64_sync_handler(struct pt_regs *regs);
     47asmlinkage void el0t_64_irq_handler(struct pt_regs *regs);
     48asmlinkage void el0t_64_fiq_handler(struct pt_regs *regs);
     49asmlinkage void el0t_64_error_handler(struct pt_regs *regs);
     50
     51asmlinkage void el0t_32_sync_handler(struct pt_regs *regs);
     52asmlinkage void el0t_32_irq_handler(struct pt_regs *regs);
     53asmlinkage void el0t_32_fiq_handler(struct pt_regs *regs);
     54asmlinkage void el0t_32_error_handler(struct pt_regs *regs);
     55
     56asmlinkage void call_on_irq_stack(struct pt_regs *regs,
     57				  void (*func)(struct pt_regs *));
     58asmlinkage void asm_exit_to_user_mode(struct pt_regs *regs);
     59
     60void do_mem_abort(unsigned long far, unsigned long esr, struct pt_regs *regs);
     61void do_undefinstr(struct pt_regs *regs);
     62void do_bti(struct pt_regs *regs);
     63void do_debug_exception(unsigned long addr_if_watchpoint, unsigned long esr,
     64			struct pt_regs *regs);
     65void do_fpsimd_acc(unsigned long esr, struct pt_regs *regs);
     66void do_sve_acc(unsigned long esr, struct pt_regs *regs);
     67void do_sme_acc(unsigned long esr, struct pt_regs *regs);
     68void do_fpsimd_exc(unsigned long esr, struct pt_regs *regs);
     69void do_sysinstr(unsigned long esr, struct pt_regs *regs);
     70void do_sp_pc_abort(unsigned long addr, unsigned long esr, struct pt_regs *regs);
     71void bad_el0_sync(struct pt_regs *regs, int reason, unsigned long esr);
     72void do_cp15instr(unsigned long esr, struct pt_regs *regs);
     73void do_el0_svc(struct pt_regs *regs);
     74void do_el0_svc_compat(struct pt_regs *regs);
     75void do_ptrauth_fault(struct pt_regs *regs, unsigned long esr);
     76void do_serror(struct pt_regs *regs, unsigned long esr);
     77void do_notify_resume(struct pt_regs *regs, unsigned long thread_flags);
     78
     79void panic_bad_stack(struct pt_regs *regs, unsigned long esr, unsigned long far);
     80#endif	/* __ASM_EXCEPTION_H */