7697daaa89
Now that we indicate the "restart system call" in the trap type field of pt_regs->magic, we don't need to set the %l6 boolean in all of the trap return paths. And we therefore don't need to pass it to do_notify_resume(). Signed-off-by: David S. Miller <davem@davemloft.net>
196 lines
7.0 KiB
C
196 lines
7.0 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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extern char *sparc_cpu_type;
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extern char *sparc_fpu_type;
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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 update_perfctrs(void);
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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 void syscall_trace(struct pt_regs *regs,
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int syscall_exit_p);
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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 handler_irq(int irq, struct pt_regs *regs);
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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 /* _ENTRY_H */
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