1 files changed, 89 insertions, 0 deletions
diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h
new file mode 100644
index 000000000..472fa2f1a
--- /dev/null
+++ b/arch/s390/kernel/entry.h
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ENTRY_H
+#define _ENTRY_H
+
+#include <linux/percpu.h>
+#include <linux/types.h>
+#include <linux/signal.h>
+#include <asm/ptrace.h>
+#include <asm/idle.h>
+
+extern void *restart_stack;
+extern unsigned long suspend_zero_pages;
+
+void system_call(void);
+void pgm_check_handler(void);
+void ext_int_handler(void);
+void io_int_handler(void);
+void mcck_int_handler(void);
+void restart_int_handler(void);
+void restart_call_handler(void);
+
+asmlinkage long do_syscall_trace_enter(struct pt_regs *regs);
+asmlinkage void do_syscall_trace_exit(struct pt_regs *regs);
+
+void do_protection_exception(struct pt_regs *regs);
+void do_dat_exception(struct pt_regs *regs);
+
+void addressing_exception(struct pt_regs *regs);
+void data_exception(struct pt_regs *regs);
+void default_trap_handler(struct pt_regs *regs);
+void divide_exception(struct pt_regs *regs);
+void execute_exception(struct pt_regs *regs);
+void hfp_divide_exception(struct pt_regs *regs);
+void hfp_overflow_exception(struct pt_regs *regs);
+void hfp_significance_exception(struct pt_regs *regs);
+void hfp_sqrt_exception(struct pt_regs *regs);
+void hfp_underflow_exception(struct pt_regs *regs);
+void illegal_op(struct pt_regs *regs);
+void operand_exception(struct pt_regs *regs);
+void overflow_exception(struct pt_regs *regs);
+void privileged_op(struct pt_regs *regs);
+void space_switch_exception(struct pt_regs *regs);
+void special_op_exception(struct pt_regs *regs);
+void specification_exception(struct pt_regs *regs);
+void transaction_exception(struct pt_regs *regs);
+void translation_exception(struct pt_regs *regs);
+void vector_exception(struct pt_regs *regs);
+
+void do_per_trap(struct pt_regs *regs);
+void do_report_trap(struct pt_regs *regs, int si_signo, int si_code, char *str);
+void syscall_trace(struct pt_regs *regs, int entryexit);
+void kernel_stack_overflow(struct pt_regs * regs);
+void do_signal(struct pt_regs *regs);
+void handle_signal32(struct ksignal *ksig, sigset_t *oldset,
+		     struct pt_regs *regs);
+void do_notify_resume(struct pt_regs *regs);
+
+void __init init_IRQ(void);
+void do_IRQ(struct pt_regs *regs, int irq);
+void do_restart(void);
+void __init startup_init_nobss(void);
+void __init startup_init(void);
+void die(struct pt_regs *regs, const char *str);
+int setup_profiling_timer(unsigned int multiplier);
+void __init time_init(void);
+int pfn_is_nosave(unsigned long);
+void s390_early_resume(void);
+unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip);
+
+struct s390_mmap_arg_struct;
+struct fadvise64_64_args;
+struct old_sigaction;
+
+long sys_rt_sigreturn(void);
+long sys_sigreturn(void);
+
+long sys_s390_personality(unsigned int personality);
+long sys_s390_runtime_instr(int command, int signum);
+long sys_s390_guarded_storage(int command, struct gs_cb __user *);
+long sys_s390_pci_mmio_write(unsigned long, const void __user *, size_t);
+long sys_s390_pci_mmio_read(unsigned long, void __user *, size_t);
+long sys_s390_sthyi(unsigned long function_code, void __user *buffer, u64 __user *return_code, unsigned long flags);
+
+DECLARE_PER_CPU(u64, mt_cycles[8]);
+
+void gs_load_bc_cb(struct pt_regs *regs);
+void set_fs_fixup(void);
+
+#endif /* _ENTRY_H */