text: #ifndef _ENTRY_H
  #define _ENTRY_H
  
  #include <linux/kernel.h>
  #include <linux/types.h>
  #include <linux/init.h>
  
  /* irq */
  extern void handler_irq(int irq, struct pt_regs *regs);
  
  #ifdef CONFIG_SPARC32
  /* traps */
  extern void do_hw_interrupt(struct pt_regs *regs, unsigned long type);
  extern void do_illegal_instruction(struct pt_regs *regs, unsigned long pc,
                                     unsigned long npc, unsigned long psr);
  
  extern void do_priv_instruction(struct pt_regs *regs, unsigned long pc,
                                  unsigned long npc, unsigned long psr);
  extern void do_memaccess_unaligned(struct pt_regs *regs, unsigned long pc,
                                     unsigned long npc,
                                     unsigned long psr);
  extern void do_fpd_trap(struct pt_regs *regs, unsigned long pc,
                          unsigned long npc, unsigned long psr);
  extern void do_fpe_trap(struct pt_regs *regs, unsigned long pc,
                          unsigned long npc, unsigned long psr);
  extern void handle_tag_overflow(struct pt_regs *regs, unsigned long pc,
                                  unsigned long npc, unsigned long psr);
  extern void handle_watchpoint(struct pt_regs *regs, unsigned long pc,
                                unsigned long npc, unsigned long psr);
  extern void handle_reg_access(struct pt_regs *regs, unsigned long pc,
                                unsigned long npc, unsigned long psr);
  extern void handle_cp_disabled(struct pt_regs *regs, unsigned long pc,
                                 unsigned long npc, unsigned long psr);
  extern void handle_cp_exception(struct pt_regs *regs, unsigned long pc,
                                  unsigned long npc, unsigned long psr);
  
  
  
  /* entry.S */
  extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
                     void *fpqueue, unsigned long *fpqdepth);
  extern void fpload(unsigned long *fpregs, unsigned long *fsr);
  
  #else /* CONFIG_SPARC32 */
  extern void __init per_cpu_patch(void);
  extern void __init sun4v_patch(void);
  extern void __init boot_cpu_id_too_large(int cpu);
  extern unsigned int dcache_parity_tl1_occurred;
  extern unsigned int icache_parity_tl1_occurred;
  
  extern asmlinkage void sparc_breakpoint(struct pt_regs *regs);
  extern void timer_interrupt(int irq, struct pt_regs *regs);
  
  extern void do_notify_resume(struct pt_regs *regs,
  			     unsigned long orig_i0,
  			     unsigned long thread_info_flags);
  
  extern asmlinkage int syscall_trace_enter(struct pt_regs *regs);
  extern asmlinkage void syscall_trace_leave(struct pt_regs *regs);
  
  extern void bad_trap_tl1(struct pt_regs *regs, long lvl);
  
  extern void do_fpe_common(struct pt_regs *regs);
  extern void do_fpieee(struct pt_regs *regs);
  extern void do_fpother(struct pt_regs *regs);
  extern void do_tof(struct pt_regs *regs);
  extern void do_div0(struct pt_regs *regs);
  extern void do_illegal_instruction(struct pt_regs *regs);
  extern void mem_address_unaligned(struct pt_regs *regs,
  				  unsigned long sfar,
  				  unsigned long sfsr);
  extern void sun4v_do_mna(struct pt_regs *regs,
  			 unsigned long addr,
  			 unsigned long type_ctx);
  extern void do_privop(struct pt_regs *regs);
  extern void do_privact(struct pt_regs *regs);
  extern void do_cee(struct pt_regs *regs);
  extern void do_cee_tl1(struct pt_regs *regs);
  extern void do_dae_tl1(struct pt_regs *regs);
  extern void do_iae_tl1(struct pt_regs *regs);
  extern void do_div0_tl1(struct pt_regs *regs);
  extern void do_fpdis_tl1(struct pt_regs *regs);
  extern void do_fpieee_tl1(struct pt_regs *regs);
  extern void do_fpother_tl1(struct pt_regs *regs);
  extern void do_ill_tl1(struct pt_regs *regs);
  extern void do_irq_tl1(struct pt_regs *regs);
  extern void do_lddfmna_tl1(struct pt_regs *regs);
  extern void do_stdfmna_tl1(struct pt_regs *regs);
  extern void do_paw(struct pt_regs *regs);
  extern void do_paw_tl1(struct pt_regs *regs);
  extern void do_vaw(struct pt_regs *regs);
  extern void do_vaw_tl1(struct pt_regs *regs);
  extern void do_tof_tl1(struct pt_regs *regs);
  extern void do_getpsr(struct pt_regs *regs);
  
  extern void spitfire_insn_access_exception(struct pt_regs *regs,
  					   unsigned long sfsr,
  					   unsigned long sfar);
  extern void spitfire_insn_access_exception_tl1(struct pt_regs *regs,
  					       unsigned long sfsr,
  					       unsigned long sfar);
  extern void spitfire_data_access_exception(struct pt_regs *regs,
  					   unsigned long sfsr,
  					   unsigned long sfar);
  extern void spitfire_data_access_exception_tl1(struct pt_regs *regs,
  					       unsigned long sfsr,
  					       unsigned long sfar);
  extern void spitfire_access_error(struct pt_regs *regs,
  				  unsigned long status_encoded,
  				  unsigned long afar);
  
  extern void cheetah_fecc_handler(struct pt_regs *regs,
  				 unsigned long afsr,
  				 unsigned long afar);
  extern void cheetah_cee_handler(struct pt_regs *regs,
  				unsigned long afsr,
  				unsigned long afar);
  extern void cheetah_deferred_handler(struct pt_regs *regs,
  				     unsigned long afsr,
  				     unsigned long afar);
  extern void cheetah_plus_parity_error(int type, struct pt_regs *regs);
  
  extern void sun4v_insn_access_exception(struct pt_regs *regs,
  					unsigned long addr,
  					unsigned long type_ctx);
  extern void sun4v_insn_access_exception_tl1(struct pt_regs *regs,
  					    unsigned long addr,
  					    unsigned long type_ctx);
  extern void sun4v_data_access_exception(struct pt_regs *regs,
  					unsigned long addr,
  					unsigned long type_ctx);
  extern void sun4v_data_access_exception_tl1(struct pt_regs *regs,
  					    unsigned long addr,
  					    unsigned long type_ctx);
  extern void sun4v_resum_error(struct pt_regs *regs,
  			      unsigned long offset);
  extern void sun4v_resum_overflow(struct pt_regs *regs);
  extern void sun4v_nonresum_error(struct pt_regs *regs,
  				 unsigned long offset);
  extern void sun4v_nonresum_overflow(struct pt_regs *regs);
  
  extern unsigned long sun4v_err_itlb_vaddr;
  extern unsigned long sun4v_err_itlb_ctx;
  extern unsigned long sun4v_err_itlb_pte;
  extern unsigned long sun4v_err_itlb_error;
  
  extern void sun4v_itlb_error_report(struct pt_regs *regs, int tl);
  
  extern unsigned long sun4v_err_dtlb_vaddr;
  extern unsigned long sun4v_err_dtlb_ctx;
  extern unsigned long sun4v_err_dtlb_pte;
  extern unsigned long sun4v_err_dtlb_error;
  
  extern void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);
  extern void hypervisor_tlbop_error(unsigned long err,
  				   unsigned long op);
  extern void hypervisor_tlbop_error_xcall(unsigned long err,
  					 unsigned long op);
  
  /* WARNING: The error trap handlers in assembly know the precise
   *	    layout of the following structure.
   *
   * C-level handlers in traps.c use this information to log the
   * error and then determine how to recover (if possible).
   */
  struct cheetah_err_info {
  /*0x00*/u64 afsr;
  /*0x08*/u64 afar;
  
  	/* D-cache state */
  /*0x10*/u64 dcache_data[4];	/* The actual data	*/
  /*0x30*/u64 dcache_index;	/* D-cache index	*/
  /*0x38*/u64 dcache_tag;		/* D-cache tag/valid	*/
  /*0x40*/u64 dcache_utag;	/* D-cache microtag	*/
  /*0x48*/u64 dcache_stag;	/* D-cache snooptag	*/
  
  	/* I-cache state */
  /*0x50*/u64 icache_data[8];	/* The actual insns + predecode	*/
  /*0x90*/u64 icache_index;	/* I-cache index	*/
  /*0x98*/u64 icache_tag;		/* I-cache phys tag	*/
  /*0xa0*/u64 icache_utag;	/* I-cache microtag	*/
  /*0xa8*/u64 icache_stag;	/* I-cache snooptag	*/
  /*0xb0*/u64 icache_upper;	/* I-cache upper-tag	*/
  /*0xb8*/u64 icache_lower;	/* I-cache lower-tag	*/
  
  	/* E-cache state */
  /*0xc0*/u64 ecache_data[4];	/* 32 bytes from staging registers */
  /*0xe0*/u64 ecache_index;	/* E-cache index	*/
  /*0xe8*/u64 ecache_tag;		/* E-cache tag/state	*/
  
  /*0xf0*/u64 __pad[32 - 30];
  };
  #define CHAFSR_INVALID		((u64)-1L)
  
  /* This is allocated at boot time based upon the largest hardware
   * cpu ID in the system.  We allocate two entries per cpu, one for
   * TL==0 logging and one for TL >= 1 logging.
   */
  extern struct cheetah_err_info *cheetah_error_log;
  
  /* UPA nodes send interrupt packet to UltraSparc with first data reg
   * value low 5 (7 on Starfire) bits holding the IRQ identifier being
   * delivered.  We must translate this into a non-vector IRQ so we can
   * set the softint on this cpu.
   *
   * To make processing these packets efficient and race free we use
   * an array of irq buckets below.  The interrupt vector handler in
   * entry.S feeds incoming packets into per-cpu pil-indexed lists.
   *
   * If you make changes to ino_bucket, please update hand coded assembler
   * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S
   */
  struct ino_bucket {
  /*0x00*/unsigned long __irq_chain_pa;
  
  	/* Interrupt number assigned to this INO.  */
  /*0x08*/unsigned int __irq;
  /*0x0c*/unsigned int __pad;
  };
  
  extern struct ino_bucket *ivector_table;
  extern unsigned long ivector_table_pa;
  
  extern void init_irqwork_curcpu(void);
  extern void __cpuinit sun4v_register_mondo_queues(int this_cpu);
  
  #endif /* CONFIG_SPARC32 */
  #endif /* _ENTRY_H */
  