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/ptrace.h>
   9#include <asm/idle.h>
  10
  11extern void *restart_stack;
  12extern unsigned long suspend_zero_pages;
  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 restart_call_handler(void);
  21
  22asmlinkage long do_syscall_trace_enter(struct pt_regs *regs);
  23asmlinkage void do_syscall_trace_exit(struct pt_regs *regs);
  24
  25void do_protection_exception(struct pt_regs *regs);
  26void do_dat_exception(struct pt_regs *regs);
  27
  28void addressing_exception(struct pt_regs *regs);
  29void data_exception(struct pt_regs *regs);
  30void default_trap_handler(struct pt_regs *regs);
  31void divide_exception(struct pt_regs *regs);
  32void execute_exception(struct pt_regs *regs);
  33void hfp_divide_exception(struct pt_regs *regs);
  34void hfp_overflow_exception(struct pt_regs *regs);
  35void hfp_significance_exception(struct pt_regs *regs);
  36void hfp_sqrt_exception(struct pt_regs *regs);
  37void hfp_underflow_exception(struct pt_regs *regs);
  38void illegal_op(struct pt_regs *regs);
  39void operand_exception(struct pt_regs *regs);
  40void overflow_exception(struct pt_regs *regs);
  41void privileged_op(struct pt_regs *regs);
  42void space_switch_exception(struct pt_regs *regs);
  43void special_op_exception(struct pt_regs *regs);
  44void specification_exception(struct pt_regs *regs);
  45void transaction_exception(struct pt_regs *regs);
  46void translation_exception(struct pt_regs *regs);
  47void vector_exception(struct pt_regs *regs);
  48
  49void do_per_trap(struct pt_regs *regs);
  50void do_report_trap(struct pt_regs *regs, int si_signo, int si_code, char *str);
  51void syscall_trace(struct pt_regs *regs, int entryexit);
  52void kernel_stack_overflow(struct pt_regs * regs);
  53void do_signal(struct pt_regs *regs);
  54void handle_signal32(struct ksignal *ksig, sigset_t *oldset,
  55                     struct pt_regs *regs);
  56void do_notify_resume(struct pt_regs *regs);
  57
  58void __init init_IRQ(void);
  59void do_IRQ(struct pt_regs *regs, int irq);
  60void do_restart(void);
  61void __init startup_init_nobss(void);
  62void __init startup_init(void);
  63void die(struct pt_regs *regs, const char *str);
  64int setup_profiling_timer(unsigned int multiplier);
  65void __init time_init(void);
  66int pfn_is_nosave(unsigned long);
  67void s390_early_resume(void);
  68unsigned long prepare_ftrace_return(unsigned long parent, unsigned long sp, unsigned long ip);
  69
  70struct s390_mmap_arg_struct;
  71struct fadvise64_64_args;
  72struct old_sigaction;
  73
  74long sys_rt_sigreturn(void);
  75long sys_sigreturn(void);
  76
  77long sys_s390_personality(unsigned int personality);
  78long sys_s390_runtime_instr(int command, int signum);
  79long sys_s390_guarded_storage(int command, struct gs_cb __user *);
  80long sys_s390_pci_mmio_write(unsigned long, const void __user *, size_t);
  81long sys_s390_pci_mmio_read(unsigned long, void __user *, size_t);
  82long sys_s390_sthyi(unsigned long function_code, void __user *buffer, u64 __user *return_code, unsigned long flags);
  83
  84DECLARE_PER_CPU(u64, mt_cycles[8]);
  85
  86void gs_load_bc_cb(struct pt_regs *regs);
  87void set_fs_fixup(void);
  88
  89unsigned long stack_alloc(void);
  90void stack_free(unsigned long stack);
  91
  92#endif /* _ENTRY_H */
  93