xref: /openbmc/linux/arch/arm64/include/asm/exception.h (revision c4a54f70)
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 
22 static inline u32 disr_to_esr(u64 disr)
23 {
24 	unsigned int 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 
34 asmlinkage void enter_from_user_mode(void);
35 void do_mem_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
36 void do_undefinstr(struct pt_regs *regs);
37 void do_bti(struct pt_regs *regs);
38 asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr);
39 void do_debug_exception(unsigned long addr_if_watchpoint, unsigned int esr,
40 			struct pt_regs *regs);
41 void do_fpsimd_acc(unsigned int esr, struct pt_regs *regs);
42 void do_sve_acc(unsigned int esr, struct pt_regs *regs);
43 void do_fpsimd_exc(unsigned int esr, struct pt_regs *regs);
44 void do_sysinstr(unsigned int esr, struct pt_regs *regs);
45 void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
46 void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr);
47 void do_cp15instr(unsigned int esr, struct pt_regs *regs);
48 void do_el0_svc(struct pt_regs *regs);
49 void do_el0_svc_compat(struct pt_regs *regs);
50 #endif	/* __ASM_EXCEPTION_H */
51