| 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_invalid(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 | |
| 45 | struct s390_mmap_arg_struct; |
| 46 | struct fadvise64_64_args; |
| 47 | struct old_sigaction; |
| 48 | |
| 49 | long sys_rt_sigreturn(void); |
| 50 | long sys_sigreturn(void); |
| 51 | |
| 52 | long sys_s390_personality(unsigned int personality); |
| 53 | long sys_s390_runtime_instr(int command, int signum); |
| 54 | long sys_s390_guarded_storage(int command, struct gs_cb __user *); |
| 55 | long sys_s390_pci_mmio_write(unsigned long, const void __user *, size_t); |
| 56 | long sys_s390_pci_mmio_read(unsigned long, void __user *, size_t); |
| 57 | long sys_s390_sthyi(unsigned long function_code, void __user *buffer, u64 __user *return_code, unsigned long flags); |
| 58 | |
| 59 | DECLARE_PER_CPU(u64, mt_cycles[8]); |
| 60 | |
| 61 | unsigned long stack_alloc(void); |
| 62 | void stack_free(unsigned long stack); |
| 63 | |
| 64 | extern char kprobes_insn_page[]; |
| 65 | |
| 66 | extern char _samode31[], _eamode31[]; |
| 67 | extern char _stext_amode31[], _etext_amode31[]; |
| 68 | extern struct exception_table_entry _start_amode31_ex_table[]; |
| 69 | extern struct exception_table_entry _stop_amode31_ex_table[]; |
| 70 | |
| 71 | #define __amode31_data __section(".amode31.data") |
| 72 | #define __amode31_ref __section(".amode31.refs") |
| 73 | extern long _start_amode31_refs[], _end_amode31_refs[]; |
| 74 | |
| 75 | #endif /* _ENTRY_H */ |
| 76 | |