arch/sparc64/kernel/entry.h

   1 #ifndef _ENTRY_H
   2 #define _ENTRY_H
   3
   4 #include <linux/init.h>
   5 #include <linux/types.h>
   6
   7 extern char *sparc_cpu_type;
   8 extern char *sparc_fpu_type;
   9
  10 extern void __init per_cpu_patch(void);
  11 extern void __init sun4v_patch(void);
  12 extern void __init boot_cpu_id_too_large(int cpu);
  13 extern unsigned int dcache_parity_tl1_occurred;
  14 extern unsigned int icache_parity_tl1_occurred;
  15
  16 extern void bad_trap_tl1(struct pt_regs *regs, long lvl);
  17
  18 extern void do_fpe_common(struct pt_regs *regs);
  19 extern void do_fpieee(struct pt_regs *regs);
  20 extern void do_fpother(struct pt_regs *regs);
  21 extern void do_tof(struct pt_regs *regs);
  22 extern void do_div0(struct pt_regs *regs);
  23 extern void do_illegal_instruction(struct pt_regs *regs);
  24 extern void mem_address_unaligned(struct pt_regs *regs,
  25                                   unsigned long sfar,
  26                                   unsigned long sfsr);
  27 extern void sun4v_do_mna(struct pt_regs *regs,
  28                          unsigned long addr,
  29                          unsigned long type_ctx);
  30 extern void do_privop(struct pt_regs *regs);
  31 extern void do_privact(struct pt_regs *regs);
  32 extern void do_cee(struct pt_regs *regs);
  33 extern void do_cee_tl1(struct pt_regs *regs);
  34 extern void do_dae_tl1(struct pt_regs *regs);
  35 extern void do_iae_tl1(struct pt_regs *regs);
  36 extern void do_div0_tl1(struct pt_regs *regs);
  37 extern void do_fpdis_tl1(struct pt_regs *regs);
  38 extern void do_fpieee_tl1(struct pt_regs *regs);
  39 extern void do_fpother_tl1(struct pt_regs *regs);
  40 extern void do_ill_tl1(struct pt_regs *regs);
  41 extern void do_irq_tl1(struct pt_regs *regs);
  42 extern void do_lddfmna_tl1(struct pt_regs *regs);
  43 extern void do_stdfmna_tl1(struct pt_regs *regs);
  44 extern void do_paw(struct pt_regs *regs);
  45 extern void do_paw_tl1(struct pt_regs *regs);
  46 extern void do_vaw(struct pt_regs *regs);
  47 extern void do_vaw_tl1(struct pt_regs *regs);
  48 extern void do_tof_tl1(struct pt_regs *regs);
  49 extern void do_getpsr(struct pt_regs *regs);
  50
  51 extern void spitfire_insn_access_exception(struct pt_regs *regs,
  52                                            unsigned long sfsr,
  53                                            unsigned long sfar);
  54 extern void spitfire_insn_access_exception_tl1(struct pt_regs *regs,
  55                                                unsigned long sfsr,
  56                                                unsigned long sfar);
  57 extern void spitfire_data_access_exception(struct pt_regs *regs,
  58                                            unsigned long sfsr,
  59                                            unsigned long sfar);
  60 extern void spitfire_data_access_exception_tl1(struct pt_regs *regs,
  61                                                unsigned long sfsr,
  62                                                unsigned long sfar);
  63 extern void spitfire_access_error(struct pt_regs *regs,
  64                                   unsigned long status_encoded,
  65                                   unsigned long afar);
  66
  67 extern void cheetah_fecc_handler(struct pt_regs *regs,
  68                                  unsigned long afsr,
  69                                  unsigned long afar);
  70 extern void cheetah_cee_handler(struct pt_regs *regs,
  71                                 unsigned long afsr,
  72                                 unsigned long afar);
  73 extern void cheetah_deferred_handler(struct pt_regs *regs,
  74                                      unsigned long afsr,
  75                                      unsigned long afar);
  76 extern void cheetah_plus_parity_error(int type, struct pt_regs *regs);
  77
  78 extern void sun4v_insn_access_exception(struct pt_regs *regs,
  79                                         unsigned long addr,
  80                                         unsigned long type_ctx);
  81 extern void sun4v_insn_access_exception_tl1(struct pt_regs *regs,
  82                                             unsigned long addr,
  83                                             unsigned long type_ctx);
  84 extern void sun4v_data_access_exception(struct pt_regs *regs,
  85                                         unsigned long addr,
  86                                         unsigned long type_ctx);
  87 extern void sun4v_data_access_exception_tl1(struct pt_regs *regs,
  88                                             unsigned long addr,
  89                                             unsigned long type_ctx);
  90 extern void sun4v_resum_error(struct pt_regs *regs,
  91                               unsigned long offset);
  92 extern void sun4v_resum_overflow(struct pt_regs *regs);
  93 extern void sun4v_nonresum_error(struct pt_regs *regs,
  94                                  unsigned long offset);
  95 extern void sun4v_nonresum_overflow(struct pt_regs *regs);
  96
  97 extern unsigned long sun4v_err_itlb_vaddr;
  98 extern unsigned long sun4v_err_itlb_ctx;
  99 extern unsigned long sun4v_err_itlb_pte;
 100 extern unsigned long sun4v_err_itlb_error;
 101
 102 extern void sun4v_itlb_error_report(struct pt_regs *regs, int tl);
 103
 104 extern unsigned long sun4v_err_dtlb_vaddr;
 105 extern unsigned long sun4v_err_dtlb_ctx;
 106 extern unsigned long sun4v_err_dtlb_pte;
 107 extern unsigned long sun4v_err_dtlb_error;
 108
 109 extern void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);
 110 extern void hypervisor_tlbop_error(unsigned long err,
 111                                    unsigned long op);
 112 extern void hypervisor_tlbop_error_xcall(unsigned long err,
 113                                          unsigned long op);
 114
 115 /* WARNING: The error trap handlers in assembly know the precise
 116  *          layout of the following structure.
 117  *
 118  * C-level handlers in traps.c use this information to log the
 119  * error and then determine how to recover (if possible).
 120  */
 121 struct cheetah_err_info {
 122 /*0x00*/u64 afsr;
 123 /*0x08*/u64 afar;
 124
 125         /* D-cache state */
 126 /*0x10*/u64 dcache_data[4];     /* The actual data      */
 127 /*0x30*/u64 dcache_index;       /* D-cache index        */
 128 /*0x38*/u64 dcache_tag;         /* D-cache tag/valid    */
 129 /*0x40*/u64 dcache_utag;        /* D-cache microtag     */
 130 /*0x48*/u64 dcache_stag;        /* D-cache snooptag     */
 131
 132         /* I-cache state */
 133 /*0x50*/u64 icache_data[8];     /* The actual insns + predecode */
 134 /*0x90*/u64 icache_index;       /* I-cache index        */
 135 /*0x98*/u64 icache_tag;         /* I-cache phys tag     */
 136 /*0xa0*/u64 icache_utag;        /* I-cache microtag     */
 137 /*0xa8*/u64 icache_stag;        /* I-cache snooptag     */
 138 /*0xb0*/u64 icache_upper;       /* I-cache upper-tag    */
 139 /*0xb8*/u64 icache_lower;       /* I-cache lower-tag    */
 140
 141         /* E-cache state */
 142 /*0xc0*/u64 ecache_data[4];     /* 32 bytes from staging registers */
 143 /*0xe0*/u64 ecache_index;       /* E-cache index        */
 144 /*0xe8*/u64 ecache_tag;         /* E-cache tag/state    */
 145
 146 /*0xf0*/u64 __pad[32 - 30];
 147 };
 148 #define CHAFSR_INVALID          ((u64)-1L)
 149
 150 /* This is allocated at boot time based upon the largest hardware
 151  * cpu ID in the system.  We allocate two entries per cpu, one for
 152  * TL==0 logging and one for TL >= 1 logging.
 153  */
 154 extern struct cheetah_err_info *cheetah_error_log;
 155
 156 #endif /* _ENTRY_H */