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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 do_io_irq(struct pt_regs *regs);
38void do_ext_irq(struct pt_regs *regs);
39void do_restart(void *arg);
40void __init startup_init(void);
41void die(struct pt_regs *regs, const char *str);
42int setup_profiling_timer(unsigned int multiplier);
43unsigned long prepare_ftrace_return(unsigned long parent, unsigned long sp, unsigned long ip);
44
45struct s390_mmap_arg_struct;
46struct fadvise64_64_args;
47struct old_sigaction;
48
49long sys_rt_sigreturn(void);
50long sys_sigreturn(void);
51
52long sys_s390_personality(unsigned int personality);
53long sys_s390_runtime_instr(int command, int signum);
54long sys_s390_guarded_storage(int command, struct gs_cb __user *);
55long sys_s390_pci_mmio_write(unsigned long, const void __user *, size_t);
56long sys_s390_pci_mmio_read(unsigned long, void __user *, size_t);
57long sys_s390_sthyi(unsigned long function_code, void __user *buffer, u64 __user *return_code, unsigned long flags);
58
59DECLARE_PER_CPU(u64, mt_cycles[8]);
60
61unsigned long stack_alloc(void);
62void stack_free(unsigned long stack);
63
64extern char kprobes_insn_page[];
65
66extern char _samode31[], _eamode31[];
67extern char _stext_amode31[], _etext_amode31[];
68extern struct exception_table_entry _start_amode31_ex_table[];
69extern struct exception_table_entry _stop_amode31_ex_table[];
70
71#define __amode31_data __section(".amode31.data")
72#define __amode31_ref __section(".amode31.refs")
73extern long _start_amode31_refs[], _end_amode31_refs[];
74
75#endif /* _ENTRY_H */
1#ifndef _ENTRY_H
2#define _ENTRY_H
3
4#include <linux/types.h>
5#include <linux/signal.h>
6#include <asm/ptrace.h>
7#include <asm/cputime.h>
8
9extern void *restart_stack;
10extern unsigned long suspend_zero_pages;
11
12void system_call(void);
13void pgm_check_handler(void);
14void ext_int_handler(void);
15void io_int_handler(void);
16void mcck_int_handler(void);
17void restart_int_handler(void);
18void restart_call_handler(void);
19void psw_idle(struct s390_idle_data *, unsigned long);
20
21asmlinkage long do_syscall_trace_enter(struct pt_regs *regs);
22asmlinkage void do_syscall_trace_exit(struct pt_regs *regs);
23
24void do_protection_exception(struct pt_regs *regs);
25void do_dat_exception(struct pt_regs *regs);
26
27void addressing_exception(struct pt_regs *regs);
28void data_exception(struct pt_regs *regs);
29void default_trap_handler(struct pt_regs *regs);
30void divide_exception(struct pt_regs *regs);
31void execute_exception(struct pt_regs *regs);
32void hfp_divide_exception(struct pt_regs *regs);
33void hfp_overflow_exception(struct pt_regs *regs);
34void hfp_significance_exception(struct pt_regs *regs);
35void hfp_sqrt_exception(struct pt_regs *regs);
36void hfp_underflow_exception(struct pt_regs *regs);
37void illegal_op(struct pt_regs *regs);
38void operand_exception(struct pt_regs *regs);
39void overflow_exception(struct pt_regs *regs);
40void privileged_op(struct pt_regs *regs);
41void space_switch_exception(struct pt_regs *regs);
42void special_op_exception(struct pt_regs *regs);
43void specification_exception(struct pt_regs *regs);
44void transaction_exception(struct pt_regs *regs);
45void translation_exception(struct pt_regs *regs);
46
47void do_per_trap(struct pt_regs *regs);
48void syscall_trace(struct pt_regs *regs, int entryexit);
49void kernel_stack_overflow(struct pt_regs * regs);
50void do_signal(struct pt_regs *regs);
51void handle_signal32(unsigned long sig, struct k_sigaction *ka,
52 siginfo_t *info, sigset_t *oldset, struct pt_regs *regs);
53void do_notify_resume(struct pt_regs *regs);
54
55void __init init_IRQ(void);
56void do_IRQ(struct pt_regs *regs, int irq);
57void do_restart(void);
58void __init startup_init(void);
59void die(struct pt_regs *regs, const char *str);
60int setup_profiling_timer(unsigned int multiplier);
61void __init time_init(void);
62int pfn_is_nosave(unsigned long);
63void s390_early_resume(void);
64unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip);
65
66struct s390_mmap_arg_struct;
67struct fadvise64_64_args;
68struct old_sigaction;
69
70long sys_s390_personality(unsigned int personality);
71long sys_s390_runtime_instr(int command, int signum);
72
73#endif /* _ENTRY_H */