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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/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);
66void s390_early_resume(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
91#endif /* _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 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 */