xref: /openbmc/linux/arch/s390/kernel/entry.h (revision 5bd8e16d)
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 
9 extern void *restart_stack;
10 extern unsigned long suspend_zero_pages;
11 
12 void system_call(void);
13 void pgm_check_handler(void);
14 void ext_int_handler(void);
15 void io_int_handler(void);
16 void mcck_int_handler(void);
17 void restart_int_handler(void);
18 void restart_call_handler(void);
19 void psw_idle(struct s390_idle_data *, unsigned long);
20 
21 asmlinkage long do_syscall_trace_enter(struct pt_regs *regs);
22 asmlinkage void do_syscall_trace_exit(struct pt_regs *regs);
23 
24 void do_protection_exception(struct pt_regs *regs);
25 void do_dat_exception(struct pt_regs *regs);
26 void do_asce_exception(struct pt_regs *regs);
27 
28 void addressing_exception(struct pt_regs *regs);
29 void data_exception(struct pt_regs *regs);
30 void default_trap_handler(struct pt_regs *regs);
31 void divide_exception(struct pt_regs *regs);
32 void execute_exception(struct pt_regs *regs);
33 void hfp_divide_exception(struct pt_regs *regs);
34 void hfp_overflow_exception(struct pt_regs *regs);
35 void hfp_significance_exception(struct pt_regs *regs);
36 void hfp_sqrt_exception(struct pt_regs *regs);
37 void hfp_underflow_exception(struct pt_regs *regs);
38 void illegal_op(struct pt_regs *regs);
39 void operand_exception(struct pt_regs *regs);
40 void overflow_exception(struct pt_regs *regs);
41 void privileged_op(struct pt_regs *regs);
42 void space_switch_exception(struct pt_regs *regs);
43 void special_op_exception(struct pt_regs *regs);
44 void specification_exception(struct pt_regs *regs);
45 void transaction_exception(struct pt_regs *regs);
46 void translation_exception(struct pt_regs *regs);
47 
48 void do_per_trap(struct pt_regs *regs);
49 void syscall_trace(struct pt_regs *regs, int entryexit);
50 void kernel_stack_overflow(struct pt_regs * regs);
51 void do_signal(struct pt_regs *regs);
52 void handle_signal32(unsigned long sig, struct k_sigaction *ka,
53 		    siginfo_t *info, sigset_t *oldset, struct pt_regs *regs);
54 void do_notify_resume(struct pt_regs *regs);
55 
56 void __init init_IRQ(void);
57 void do_IRQ(struct pt_regs *regs, int irq);
58 void do_restart(void);
59 void __init startup_init(void);
60 void die(struct pt_regs *regs, const char *str);
61 int setup_profiling_timer(unsigned int multiplier);
62 void __init time_init(void);
63 int pfn_is_nosave(unsigned long);
64 void s390_early_resume(void);
65 unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip);
66 
67 struct s390_mmap_arg_struct;
68 struct fadvise64_64_args;
69 struct old_sigaction;
70 
71 long sys_sigreturn(void);
72 long sys_rt_sigreturn(void);
73 long sys32_sigreturn(void);
74 long sys32_rt_sigreturn(void);
75 
76 #endif /* _ENTRY_H */
77