/* SPDX-License-Identifier: GPL-2.0 */#ifndef _ENTRY_H#define _ENTRY_H #include <linux/kernel.h>#include <linux/types.h>#include <linux/init.h> /* irq */void handler_irq(int irq, struct pt_regs *regs); #ifdef CONFIG_SPARC32/* traps */void do_hw_interrupt(struct pt_regs *regs, unsigned long type);void do_illegal_instruction(struct pt_regs *regs, unsigned long pc,                            unsigned long npc, unsigned long psr); void do_priv_instruction(struct pt_regs *regs, unsigned long pc,                         unsigned long npc, unsigned long psr);void do_memaccess_unaligned(struct pt_regs *regs, unsigned long pc,                            unsigned long npc, unsigned long psr);void do_fpd_trap(struct pt_regs *regs, unsigned long pc,                 unsigned long npc, unsigned long psr);void do_fpe_trap(struct pt_regs *regs, unsigned long pc,                 unsigned long npc, unsigned long psr);void handle_tag_overflow(struct pt_regs *regs, unsigned long pc,                         unsigned long npc, unsigned long psr);void handle_watchpoint(struct pt_regs *regs, unsigned long pc,                       unsigned long npc, unsigned long psr);void handle_reg_access(struct pt_regs *regs, unsigned long pc,                       unsigned long npc, unsigned long psr);void handle_cp_disabled(struct pt_regs *regs, unsigned long pc,                        unsigned long npc, unsigned long psr);void handle_cp_exception(struct pt_regs *regs, unsigned long pc,                         unsigned long npc, unsigned long psr);   /* entry.S */void fpsave(unsigned long *fpregs, unsigned long *fsr,            void *fpqueue, unsigned long *fpqdepth);void fpload(unsigned long *fpregs, unsigned long *fsr); #else /* CONFIG_SPARC32 */ #include <asm/trap_block.h> struct popc_3insn_patch_entry {	unsigned int	addr;	unsigned int	insns[3];};extern struct popc_3insn_patch_entry __popc_3insn_patch,	__popc_3insn_patch_end; struct popc_6insn_patch_entry {	unsigned int	addr;	unsigned int	insns[6];};extern struct popc_6insn_patch_entry __popc_6insn_patch,	__popc_6insn_patch_end; struct pause_patch_entry {	unsigned int	addr;	unsigned int	insns[3];};extern struct pause_patch_entry __pause_3insn_patch,	__pause_3insn_patch_end; void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *,			     struct sun4v_1insn_patch_entry *);void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *,			     struct sun4v_2insn_patch_entry *);void sun_m7_patch_2insn_range(struct sun4v_2insn_patch_entry *,			     struct sun4v_2insn_patch_entry *);extern unsigned int dcache_parity_tl1_occurred;extern unsigned int icache_parity_tl1_occurred; asmlinkage void sparc_breakpoint(struct pt_regs *regs);void timer_interrupt(int irq, struct pt_regs *regs); void do_notify_resume(struct pt_regs *regs,		      unsigned long orig_i0,		      unsigned long thread_info_flags); asmlinkage int syscall_trace_enter(struct pt_regs *regs);asmlinkage void syscall_trace_leave(struct pt_regs *regs); void bad_trap_tl1(struct pt_regs *regs, long lvl); void do_fpieee(struct pt_regs *regs);void do_fpother(struct pt_regs *regs);void do_tof(struct pt_regs *regs);void do_div0(struct pt_regs *regs);void do_illegal_instruction(struct pt_regs *regs);void mem_address_unaligned(struct pt_regs *regs,			   unsigned long sfar,			   unsigned long sfsr);void sun4v_do_mna(struct pt_regs *regs,		  unsigned long addr,		  unsigned long type_ctx);void do_privop(struct pt_regs *regs);void do_privact(struct pt_regs *regs);void do_cee(struct pt_regs *regs);void do_div0_tl1(struct pt_regs *regs);void do_fpieee_tl1(struct pt_regs *regs);void do_fpother_tl1(struct pt_regs *regs);void do_ill_tl1(struct pt_regs *regs);void do_irq_tl1(struct pt_regs *regs);void do_lddfmna_tl1(struct pt_regs *regs);void do_stdfmna_tl1(struct pt_regs *regs);void do_paw(struct pt_regs *regs);void do_paw_tl1(struct pt_regs *regs);void do_vaw(struct pt_regs *regs);void do_vaw_tl1(struct pt_regs *regs);void do_tof_tl1(struct pt_regs *regs);void do_getpsr(struct pt_regs *regs); void spitfire_insn_access_exception(struct pt_regs *regs,				    unsigned long sfsr,				    unsigned long sfar);void spitfire_insn_access_exception_tl1(struct pt_regs *regs,				        unsigned long sfsr,				        unsigned long sfar);void spitfire_data_access_exception(struct pt_regs *regs,				    unsigned long sfsr,				    unsigned long sfar);void spitfire_data_access_exception_tl1(struct pt_regs *regs,				        unsigned long sfsr,				        unsigned long sfar);void spitfire_access_error(struct pt_regs *regs,			   unsigned long status_encoded,			   unsigned long afar); void cheetah_fecc_handler(struct pt_regs *regs,			  unsigned long afsr,			  unsigned long afar);void cheetah_cee_handler(struct pt_regs *regs,			 unsigned long afsr,			 unsigned long afar);void cheetah_deferred_handler(struct pt_regs *regs,			      unsigned long afsr,			      unsigned long afar);void cheetah_plus_parity_error(int type, struct pt_regs *regs); void sun4v_insn_access_exception(struct pt_regs *regs,				 unsigned long addr,				 unsigned long type_ctx);void sun4v_insn_access_exception_tl1(struct pt_regs *regs,				     unsigned long addr,				     unsigned long type_ctx);void sun4v_data_access_exception(struct pt_regs *regs,				 unsigned long addr,				 unsigned long type_ctx);void sun4v_data_access_exception_tl1(struct pt_regs *regs,				     unsigned long addr,				     unsigned long type_ctx);void sun4v_resum_error(struct pt_regs *regs,		       unsigned long offset);void sun4v_resum_overflow(struct pt_regs *regs);void sun4v_nonresum_error(struct pt_regs *regs,			  unsigned long offset);void sun4v_nonresum_overflow(struct pt_regs *regs);void sun4v_mem_corrupt_detect_precise(struct pt_regs *regs,				      unsigned long addr,				      unsigned long context); 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; 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; void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);void hypervisor_tlbop_error(unsigned long err,			    unsigned long op);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; void init_irqwork_curcpu(void);void sun4v_register_mondo_queues(int this_cpu); #endif /* CONFIG_SPARC32 */#endif /* _ENTRY_H */