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/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);
27void do_secure_storage_access(struct pt_regs *regs);
28void do_non_secure_storage_access(struct pt_regs *regs);
29void do_secure_storage_violation(struct pt_regs *regs);
30
31void addressing_exception(struct pt_regs *regs);
32void data_exception(struct pt_regs *regs);
33void default_trap_handler(struct pt_regs *regs);
34void divide_exception(struct pt_regs *regs);
35void execute_exception(struct pt_regs *regs);
36void hfp_divide_exception(struct pt_regs *regs);
37void hfp_overflow_exception(struct pt_regs *regs);
38void hfp_significance_exception(struct pt_regs *regs);
39void hfp_sqrt_exception(struct pt_regs *regs);
40void hfp_underflow_exception(struct pt_regs *regs);
41void illegal_op(struct pt_regs *regs);
42void operand_exception(struct pt_regs *regs);
43void overflow_exception(struct pt_regs *regs);
44void privileged_op(struct pt_regs *regs);
45void space_switch_exception(struct pt_regs *regs);
46void special_op_exception(struct pt_regs *regs);
47void specification_exception(struct pt_regs *regs);
48void transaction_exception(struct pt_regs *regs);
49void translation_exception(struct pt_regs *regs);
50void vector_exception(struct pt_regs *regs);
51void monitor_event_exception(struct pt_regs *regs);
52
53void do_per_trap(struct pt_regs *regs);
54void do_report_trap(struct pt_regs *regs, int si_signo, int si_code, char *str);
55void syscall_trace(struct pt_regs *regs, int entryexit);
56void kernel_stack_overflow(struct pt_regs * regs);
57void do_signal(struct pt_regs *regs);
58void handle_signal32(struct ksignal *ksig, sigset_t *oldset,
59		     struct pt_regs *regs);
60void do_notify_resume(struct pt_regs *regs);
61
62void __init init_IRQ(void);
63void do_IRQ(struct pt_regs *regs, int irq);
64void do_restart(void);
65void __init startup_init_nobss(void);
66void __init startup_init(void);
67void die(struct pt_regs *regs, const char *str);
68int setup_profiling_timer(unsigned int multiplier);
69void __init time_init(void);
70void s390_early_resume(void);
71unsigned long prepare_ftrace_return(unsigned long parent, unsigned long sp, unsigned long ip);
72
73struct s390_mmap_arg_struct;
74struct fadvise64_64_args;
75struct old_sigaction;
76
77long sys_rt_sigreturn(void);
78long sys_sigreturn(void);
79
80long sys_s390_personality(unsigned int personality);
81long sys_s390_runtime_instr(int command, int signum);
82long sys_s390_guarded_storage(int command, struct gs_cb __user *);
83long sys_s390_pci_mmio_write(unsigned long, const void __user *, size_t);
84long sys_s390_pci_mmio_read(unsigned long, void __user *, size_t);
85long sys_s390_sthyi(unsigned long function_code, void __user *buffer, u64 __user *return_code, unsigned long flags);
86
87DECLARE_PER_CPU(u64, mt_cycles[8]);
88
89void gs_load_bc_cb(struct pt_regs *regs);
90void set_fs_fixup(void);
91
92unsigned long stack_alloc(void);
93void stack_free(unsigned long stack);
94
95#endif /* _ENTRY_H */