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 12 extern void *restart_stack; 13 14 void system_call(void); 15 void pgm_check_handler(void); 16 void ext_int_handler(void); 17 void io_int_handler(void); 18 void mcck_int_handler(void); 19 void restart_int_handler(void); 20 void early_pgm_check_handler(void); 21 22 struct task_struct *__switch_to_asm(struct task_struct *prev, struct task_struct *next); 23 void __ret_from_fork(struct task_struct *prev, struct pt_regs *regs); 24 void __do_pgm_check(struct pt_regs *regs); 25 void __do_syscall(struct pt_regs *regs, int per_trap); 26 void __do_early_pgm_check(struct pt_regs *regs); 27 28 void do_protection_exception(struct pt_regs *regs); 29 void do_dat_exception(struct pt_regs *regs); 30 void do_secure_storage_access(struct pt_regs *regs); 31 void do_non_secure_storage_access(struct pt_regs *regs); 32 void do_secure_storage_violation(struct pt_regs *regs); 33 void do_report_trap(struct pt_regs *regs, int si_signo, int si_code, char *str); 34 void kernel_stack_overflow(struct pt_regs * regs); 35 void handle_signal32(struct ksignal *ksig, sigset_t *oldset, 36 struct pt_regs *regs); 37 38 void do_io_irq(struct pt_regs *regs); 39 void do_ext_irq(struct pt_regs *regs); 40 void do_restart(void *arg); 41 void __init startup_init(void); 42 void die(struct pt_regs *regs, const char *str); 43 int setup_profiling_timer(unsigned int multiplier); 44 unsigned long prepare_ftrace_return(unsigned long parent, unsigned long sp, unsigned long ip); 45 46 struct s390_mmap_arg_struct; 47 struct fadvise64_64_args; 48 struct old_sigaction; 49 50 long sys_rt_sigreturn(void); 51 long sys_sigreturn(void); 52 53 long sys_s390_personality(unsigned int personality); 54 long sys_s390_runtime_instr(int command, int signum); 55 long sys_s390_guarded_storage(int command, struct gs_cb __user *); 56 long sys_s390_pci_mmio_write(unsigned long, const void __user *, size_t); 57 long sys_s390_pci_mmio_read(unsigned long, void __user *, size_t); 58 long sys_s390_sthyi(unsigned long function_code, void __user *buffer, u64 __user *return_code, unsigned long flags); 59 60 DECLARE_PER_CPU(u64, mt_cycles[8]); 61 62 unsigned long stack_alloc(void); 63 void stack_free(unsigned long stack); 64 65 extern char kprobes_insn_page[]; 66 67 extern char _samode31[], _eamode31[]; 68 extern char _stext_amode31[], _etext_amode31[]; 69 extern struct exception_table_entry _start_amode31_ex_table[]; 70 extern struct exception_table_entry _stop_amode31_ex_table[]; 71 72 #define __amode31_data __section(".amode31.data") 73 #define __amode31_ref __section(".amode31.refs") 74 extern long _start_amode31_refs[], _end_amode31_refs[]; 75 76 #endif /* _ENTRY_H */ 77