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 11 extern void *restart_stack; 12 13 void system_call(void); 14 void pgm_check_handler(void); 15 void ext_int_handler(void); 16 void io_int_handler(void); 17 void mcck_int_handler(void); 18 void restart_int_handler(void); 19 20 void __ret_from_fork(struct task_struct *prev, struct pt_regs *regs); 21 void __do_pgm_check(struct pt_regs *regs); 22 void __do_syscall(struct pt_regs *regs, int per_trap); 23 24 void do_protection_exception(struct pt_regs *regs); 25 void do_dat_exception(struct pt_regs *regs); 26 void do_secure_storage_access(struct pt_regs *regs); 27 void do_non_secure_storage_access(struct pt_regs *regs); 28 void do_secure_storage_violation(struct pt_regs *regs); 29 void do_report_trap(struct pt_regs *regs, int si_signo, int si_code, char *str); 30 void kernel_stack_overflow(struct pt_regs * regs); 31 void handle_signal32(struct ksignal *ksig, sigset_t *oldset, 32 struct pt_regs *regs); 33 34 void __init init_IRQ(void); 35 void do_io_irq(struct pt_regs *regs); 36 void do_ext_irq(struct pt_regs *regs); 37 void do_restart(void *arg); 38 void __init startup_init(void); 39 void die(struct pt_regs *regs, const char *str); 40 int setup_profiling_timer(unsigned int multiplier); 41 void __init time_init(void); 42 unsigned long prepare_ftrace_return(unsigned long parent, unsigned long sp, unsigned long ip); 43 44 struct s390_mmap_arg_struct; 45 struct fadvise64_64_args; 46 struct old_sigaction; 47 48 long sys_rt_sigreturn(void); 49 long sys_sigreturn(void); 50 51 long sys_s390_personality(unsigned int personality); 52 long sys_s390_runtime_instr(int command, int signum); 53 long sys_s390_guarded_storage(int command, struct gs_cb __user *); 54 long sys_s390_pci_mmio_write(unsigned long, const void __user *, size_t); 55 long sys_s390_pci_mmio_read(unsigned long, void __user *, size_t); 56 long sys_s390_sthyi(unsigned long function_code, void __user *buffer, u64 __user *return_code, unsigned long flags); 57 58 DECLARE_PER_CPU(u64, mt_cycles[8]); 59 60 unsigned long stack_alloc(void); 61 void stack_free(unsigned long stack); 62 63 extern char kprobes_insn_page[]; 64 65 extern char _samode31[], _eamode31[]; 66 extern char _stext_amode31[], _etext_amode31[]; 67 extern struct exception_table_entry _start_amode31_ex_table[]; 68 extern struct exception_table_entry _stop_amode31_ex_table[]; 69 70 #define __amode31_data __section(".amode31.data") 71 #define __amode31_ref __section(".amode31.refs") 72 extern long _start_amode31_refs[], _end_amode31_refs[]; 73 extern unsigned long __amode31_base; 74 75 #endif /* _ENTRY_H */ 76