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Diffstat (limited to '')
| -rw-r--r-- | arch/s390/kernel/entry.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h new file mode 100644 index 000000000..d2ca3fe51 --- /dev/null +++ b/arch/s390/kernel/entry.h @@ -0,0 +1,93 @@ +/* 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; + +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); + +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 do_secure_storage_access(struct pt_regs *regs); +void do_non_secure_storage_access(struct pt_regs *regs); +void do_secure_storage_violation(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 monitor_event_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(void); +void die(struct pt_regs *regs, const char *str); +int setup_profiling_timer(unsigned int multiplier); +void __init time_init(void); +unsigned long prepare_ftrace_return(unsigned long parent, unsigned long sp, 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); + +unsigned long stack_alloc(void); +void stack_free(unsigned long stack); + +extern char kprobes_insn_page[]; + +#endif /* _ENTRY_H */ |