4 #include <linux/kernel.h>
5 #include <linux/types.h>
6 #include <linux/init.h>
8 extern void __init
per_cpu_patch(void);
9 extern void __init
sun4v_patch(void);
10 extern void __init
boot_cpu_id_too_large(int cpu
);
11 extern unsigned int dcache_parity_tl1_occurred
;
12 extern unsigned int icache_parity_tl1_occurred
;
14 extern asmlinkage
void update_perfctrs(void);
15 extern asmlinkage
void sparc_breakpoint(struct pt_regs
*regs
);
16 extern void timer_interrupt(int irq
, struct pt_regs
*regs
);
18 extern void do_notify_resume(struct pt_regs
*regs
,
19 unsigned long orig_i0
,
20 unsigned long thread_info_flags
);
22 extern asmlinkage
int syscall_trace_enter(struct pt_regs
*regs
);
23 extern asmlinkage
void syscall_trace_leave(struct pt_regs
*regs
);
25 extern void bad_trap_tl1(struct pt_regs
*regs
, long lvl
);
27 extern void do_fpe_common(struct pt_regs
*regs
);
28 extern void do_fpieee(struct pt_regs
*regs
);
29 extern void do_fpother(struct pt_regs
*regs
);
30 extern void do_tof(struct pt_regs
*regs
);
31 extern void do_div0(struct pt_regs
*regs
);
32 extern void do_illegal_instruction(struct pt_regs
*regs
);
33 extern void mem_address_unaligned(struct pt_regs
*regs
,
36 extern void sun4v_do_mna(struct pt_regs
*regs
,
38 unsigned long type_ctx
);
39 extern void do_privop(struct pt_regs
*regs
);
40 extern void do_privact(struct pt_regs
*regs
);
41 extern void do_cee(struct pt_regs
*regs
);
42 extern void do_cee_tl1(struct pt_regs
*regs
);
43 extern void do_dae_tl1(struct pt_regs
*regs
);
44 extern void do_iae_tl1(struct pt_regs
*regs
);
45 extern void do_div0_tl1(struct pt_regs
*regs
);
46 extern void do_fpdis_tl1(struct pt_regs
*regs
);
47 extern void do_fpieee_tl1(struct pt_regs
*regs
);
48 extern void do_fpother_tl1(struct pt_regs
*regs
);
49 extern void do_ill_tl1(struct pt_regs
*regs
);
50 extern void do_irq_tl1(struct pt_regs
*regs
);
51 extern void do_lddfmna_tl1(struct pt_regs
*regs
);
52 extern void do_stdfmna_tl1(struct pt_regs
*regs
);
53 extern void do_paw(struct pt_regs
*regs
);
54 extern void do_paw_tl1(struct pt_regs
*regs
);
55 extern void do_vaw(struct pt_regs
*regs
);
56 extern void do_vaw_tl1(struct pt_regs
*regs
);
57 extern void do_tof_tl1(struct pt_regs
*regs
);
58 extern void do_getpsr(struct pt_regs
*regs
);
60 extern void spitfire_insn_access_exception(struct pt_regs
*regs
,
63 extern void spitfire_insn_access_exception_tl1(struct pt_regs
*regs
,
66 extern void spitfire_data_access_exception(struct pt_regs
*regs
,
69 extern void spitfire_data_access_exception_tl1(struct pt_regs
*regs
,
72 extern void spitfire_access_error(struct pt_regs
*regs
,
73 unsigned long status_encoded
,
76 extern void cheetah_fecc_handler(struct pt_regs
*regs
,
79 extern void cheetah_cee_handler(struct pt_regs
*regs
,
82 extern void cheetah_deferred_handler(struct pt_regs
*regs
,
85 extern void cheetah_plus_parity_error(int type
, struct pt_regs
*regs
);
87 extern void sun4v_insn_access_exception(struct pt_regs
*regs
,
89 unsigned long type_ctx
);
90 extern void sun4v_insn_access_exception_tl1(struct pt_regs
*regs
,
92 unsigned long type_ctx
);
93 extern void sun4v_data_access_exception(struct pt_regs
*regs
,
95 unsigned long type_ctx
);
96 extern void sun4v_data_access_exception_tl1(struct pt_regs
*regs
,
98 unsigned long type_ctx
);
99 extern void sun4v_resum_error(struct pt_regs
*regs
,
100 unsigned long offset
);
101 extern void sun4v_resum_overflow(struct pt_regs
*regs
);
102 extern void sun4v_nonresum_error(struct pt_regs
*regs
,
103 unsigned long offset
);
104 extern void sun4v_nonresum_overflow(struct pt_regs
*regs
);
106 extern unsigned long sun4v_err_itlb_vaddr
;
107 extern unsigned long sun4v_err_itlb_ctx
;
108 extern unsigned long sun4v_err_itlb_pte
;
109 extern unsigned long sun4v_err_itlb_error
;
111 extern void sun4v_itlb_error_report(struct pt_regs
*regs
, int tl
);
113 extern unsigned long sun4v_err_dtlb_vaddr
;
114 extern unsigned long sun4v_err_dtlb_ctx
;
115 extern unsigned long sun4v_err_dtlb_pte
;
116 extern unsigned long sun4v_err_dtlb_error
;
118 extern void sun4v_dtlb_error_report(struct pt_regs
*regs
, int tl
);
119 extern void hypervisor_tlbop_error(unsigned long err
,
121 extern void hypervisor_tlbop_error_xcall(unsigned long err
,
124 /* WARNING: The error trap handlers in assembly know the precise
125 * layout of the following structure.
127 * C-level handlers in traps.c use this information to log the
128 * error and then determine how to recover (if possible).
130 struct cheetah_err_info
{
135 /*0x10*/u64 dcache_data
[4]; /* The actual data */
136 /*0x30*/u64 dcache_index
; /* D-cache index */
137 /*0x38*/u64 dcache_tag
; /* D-cache tag/valid */
138 /*0x40*/u64 dcache_utag
; /* D-cache microtag */
139 /*0x48*/u64 dcache_stag
; /* D-cache snooptag */
142 /*0x50*/u64 icache_data
[8]; /* The actual insns + predecode */
143 /*0x90*/u64 icache_index
; /* I-cache index */
144 /*0x98*/u64 icache_tag
; /* I-cache phys tag */
145 /*0xa0*/u64 icache_utag
; /* I-cache microtag */
146 /*0xa8*/u64 icache_stag
; /* I-cache snooptag */
147 /*0xb0*/u64 icache_upper
; /* I-cache upper-tag */
148 /*0xb8*/u64 icache_lower
; /* I-cache lower-tag */
151 /*0xc0*/u64 ecache_data
[4]; /* 32 bytes from staging registers */
152 /*0xe0*/u64 ecache_index
; /* E-cache index */
153 /*0xe8*/u64 ecache_tag
; /* E-cache tag/state */
155 /*0xf0*/u64 __pad
[32 - 30];
157 #define CHAFSR_INVALID ((u64)-1L)
159 /* This is allocated at boot time based upon the largest hardware
160 * cpu ID in the system. We allocate two entries per cpu, one for
161 * TL==0 logging and one for TL >= 1 logging.
163 extern struct cheetah_err_info
*cheetah_error_log
;
165 /* UPA nodes send interrupt packet to UltraSparc with first data reg
166 * value low 5 (7 on Starfire) bits holding the IRQ identifier being
167 * delivered. We must translate this into a non-vector IRQ so we can
168 * set the softint on this cpu.
170 * To make processing these packets efficient and race free we use
171 * an array of irq buckets below. The interrupt vector handler in
172 * entry.S feeds incoming packets into per-cpu pil-indexed lists.
174 * If you make changes to ino_bucket, please update hand coded assembler
175 * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S
178 /*0x00*/unsigned long __irq_chain_pa
;
180 /* Virtual interrupt number assigned to this INO. */
181 /*0x08*/unsigned int __virt_irq
;
182 /*0x0c*/unsigned int __pad
;
185 extern struct ino_bucket
*ivector_table
;
186 extern unsigned long ivector_table_pa
;
188 extern void handler_irq(int irq
, struct pt_regs
*regs
);
189 extern void init_irqwork_curcpu(void);
190 extern void __cpuinit
sun4v_register_mondo_queues(int this_cpu
);
192 #endif /* _ENTRY_H */