LXR linux/arch/s390/kernel/entry.h

   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/extable.h>
   9#include <asm/ptrace.h>
  10#include <asm/idle.h>
  11
  12extern void *restart_stack;
  13
  14void system_call(void);
  15void pgm_check_handler(void);
  16void ext_int_handler(void);
  17void io_int_handler(void);
  18void mcck_int_handler(void);
  19void restart_int_handler(void);
  20void early_pgm_check_handler(void);
  21
  22void __ret_from_fork(struct task_struct *prev, struct pt_regs *regs);
  23void __do_pgm_check(struct pt_regs *regs);
  24void __do_syscall(struct pt_regs *regs, int per_trap);
  25void __do_early_pgm_check(struct pt_regs *regs);
  26
  27void do_protection_exception(struct pt_regs *regs);
  28void do_dat_exception(struct pt_regs *regs);
  29void do_secure_storage_access(struct pt_regs *regs);
  30void do_non_secure_storage_access(struct pt_regs *regs);
  31void do_secure_storage_violation(struct pt_regs *regs);
  32void do_report_trap(struct pt_regs *regs, int si_signo, int si_code, char *str);
  33void kernel_stack_overflow(struct pt_regs * regs);
  34void handle_signal32(struct ksignal *ksig, sigset_t *oldset,
  35                     struct pt_regs *regs);
  36
  37void __init init_IRQ(void);
  38void do_io_irq(struct pt_regs *regs);
  39void do_ext_irq(struct pt_regs *regs);
  40void do_restart(void *arg);
  41void __init startup_init(void);
  42void die(struct pt_regs *regs, const char *str);
  43int setup_profiling_timer(unsigned int multiplier);
  44void __init time_init(void);
  45unsigned long prepare_ftrace_return(unsigned long parent, unsigned long sp, unsigned long ip);
  46
  47struct s390_mmap_arg_struct;
  48struct fadvise64_64_args;
  49struct old_sigaction;
  50
  51long sys_rt_sigreturn(void);
  52long sys_sigreturn(void);
  53
  54long sys_s390_personality(unsigned int personality);
  55long sys_s390_runtime_instr(int command, int signum);
  56long sys_s390_guarded_storage(int command, struct gs_cb __user *);
  57long sys_s390_pci_mmio_write(unsigned long, const void __user *, size_t);
  58long sys_s390_pci_mmio_read(unsigned long, void __user *, size_t);
  59long sys_s390_sthyi(unsigned long function_code, void __user *buffer, u64 __user *return_code, unsigned long flags);
  60
  61DECLARE_PER_CPU(u64, mt_cycles[8]);
  62
  63unsigned long stack_alloc(void);
  64void stack_free(unsigned long stack);
  65
  66extern char kprobes_insn_page[];
  67
  68extern char _samode31[], _eamode31[];
  69extern char _stext_amode31[], _etext_amode31[];
  70extern struct exception_table_entry _start_amode31_ex_table[];
  71extern struct exception_table_entry _stop_amode31_ex_table[];
  72
  73#define __amode31_data __section(".amode31.data")
  74#define __amode31_ref __section(".amode31.refs")
  75extern long _start_amode31_refs[], _end_amode31_refs[];
  76extern unsigned long __amode31_base;
  77
  78#endif /* _ENTRY_H */
  79