1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _ENTRY_H 3#define _ENTRY_H 4 5#include <linux/percpu.h> 6#include <linux/types.h> 7#include <linux/signal.h> 8#include <asm/ptrace.h> 9#include <asm/idle.h> 10 11extern void *restart_stack; 12 13void system_call(void); 14void pgm_check_handler(void); 15void ext_int_handler(void); 16void io_int_handler(void); 17void mcck_int_handler(void); 18void restart_int_handler(void); 19 20asmlinkage long do_syscall_trace_enter(struct pt_regs *regs); 21asmlinkage void do_syscall_trace_exit(struct pt_regs *regs); 22 23void do_protection_exception(struct pt_regs *regs); 24void do_dat_exception(struct pt_regs *regs); 25void do_secure_storage_access(struct pt_regs *regs); 26void do_non_secure_storage_access(struct pt_regs *regs); 27void do_secure_storage_violation(struct pt_regs *regs); 28 29void addressing_exception(struct pt_regs *regs); 30void data_exception(struct pt_regs *regs); 31void default_trap_handler(struct pt_regs *regs); 32void divide_exception(struct pt_regs *regs); 33void execute_exception(struct pt_regs *regs); 34void hfp_divide_exception(struct pt_regs *regs); 35void hfp_overflow_exception(struct pt_regs *regs); 36void hfp_significance_exception(struct pt_regs *regs); 37void hfp_sqrt_exception(struct pt_regs *regs); 38void hfp_underflow_exception(struct pt_regs *regs); 39void illegal_op(struct pt_regs *regs); 40void operand_exception(struct pt_regs *regs); 41void overflow_exception(struct pt_regs *regs); 42void privileged_op(struct pt_regs *regs); 43void space_switch_exception(struct pt_regs *regs); 44void special_op_exception(struct pt_regs *regs); 45void specification_exception(struct pt_regs *regs); 46void transaction_exception(struct pt_regs *regs); 47void translation_exception(struct pt_regs *regs); 48void vector_exception(struct pt_regs *regs); 49void monitor_event_exception(struct pt_regs *regs); 50 51void do_per_trap(struct pt_regs *regs); 52void do_report_trap(struct pt_regs *regs, int si_signo, int si_code, char *str); 53void syscall_trace(struct pt_regs *regs, int entryexit); 54void kernel_stack_overflow(struct pt_regs * regs); 55void do_signal(struct pt_regs *regs); 56void handle_signal32(struct ksignal *ksig, sigset_t *oldset, 57 struct pt_regs *regs); 58void do_notify_resume(struct pt_regs *regs); 59 60void __init init_IRQ(void); 61void do_IRQ(struct pt_regs *regs, int irq); 62void do_restart(void); 63void __init startup_init(void); 64void die(struct pt_regs *regs, const char *str); 65int setup_profiling_timer(unsigned int multiplier); 66void __init time_init(void); 67unsigned long prepare_ftrace_return(unsigned long parent, unsigned long sp, unsigned long ip); 68 69struct s390_mmap_arg_struct; 70struct fadvise64_64_args; 71struct old_sigaction; 72 73long sys_rt_sigreturn(void); 74long sys_sigreturn(void); 75 76long sys_s390_personality(unsigned int personality); 77long sys_s390_runtime_instr(int command, int signum); 78long sys_s390_guarded_storage(int command, struct gs_cb __user *); 79long sys_s390_pci_mmio_write(unsigned long, const void __user *, size_t); 80long sys_s390_pci_mmio_read(unsigned long, void __user *, size_t); 81long sys_s390_sthyi(unsigned long function_code, void __user *buffer, u64 __user *return_code, unsigned long flags); 82 83DECLARE_PER_CPU(u64, mt_cycles[8]); 84 85void gs_load_bc_cb(struct pt_regs *regs); 86void set_fs_fixup(void); 87 88unsigned long stack_alloc(void); 89void stack_free(unsigned long stack); 90 91extern char kprobes_insn_page[]; 92 93#endif /* _ENTRY_H */ 94