| /* 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); | |
| 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 */ |