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