4 #include <linux/kernel.h>
5 #include <linux/types.h>
6 #include <linux/init.h>
9 extern void handler_irq(int irq
, struct pt_regs
*regs
);
13 extern void do_hw_interrupt(struct pt_regs
*regs
, unsigned long type
);
14 extern void do_illegal_instruction(struct pt_regs
*regs
, unsigned long pc
,
15 unsigned long npc
, unsigned long psr
);
17 extern void do_priv_instruction(struct pt_regs
*regs
, unsigned long pc
,
18 unsigned long npc
, unsigned long psr
);
19 extern void do_memaccess_unaligned(struct pt_regs
*regs
, unsigned long pc
,
22 extern void do_fpd_trap(struct pt_regs
*regs
, unsigned long pc
,
23 unsigned long npc
, unsigned long psr
);
24 extern void do_fpe_trap(struct pt_regs
*regs
, unsigned long pc
,
25 unsigned long npc
, unsigned long psr
);
26 extern void handle_tag_overflow(struct pt_regs
*regs
, unsigned long pc
,
27 unsigned long npc
, unsigned long psr
);
28 extern void handle_watchpoint(struct pt_regs
*regs
, unsigned long pc
,
29 unsigned long npc
, unsigned long psr
);
30 extern void handle_reg_access(struct pt_regs
*regs
, unsigned long pc
,
31 unsigned long npc
, unsigned long psr
);
32 extern void handle_cp_disabled(struct pt_regs
*regs
, unsigned long pc
,
33 unsigned long npc
, unsigned long psr
);
34 extern void handle_cp_exception(struct pt_regs
*regs
, unsigned long pc
,
35 unsigned long npc
, unsigned long psr
);
40 extern void fpsave(unsigned long *fpregs
, unsigned long *fsr
,
41 void *fpqueue
, unsigned long *fpqdepth
);
42 extern void fpload(unsigned long *fpregs
, unsigned long *fsr
);
44 #else /* CONFIG_SPARC32 */
45 struct popc_3insn_patch_entry
{
47 unsigned int insns
[3];
49 extern struct popc_3insn_patch_entry __popc_3insn_patch
,
50 __popc_3insn_patch_end
;
52 extern void __init
per_cpu_patch(void);
53 extern void __init
sun4v_patch(void);
54 extern void __init
boot_cpu_id_too_large(int cpu
);
55 extern unsigned int dcache_parity_tl1_occurred
;
56 extern unsigned int icache_parity_tl1_occurred
;
58 extern asmlinkage
void sparc_breakpoint(struct pt_regs
*regs
);
59 extern void timer_interrupt(int irq
, struct pt_regs
*regs
);
61 extern void do_notify_resume(struct pt_regs
*regs
,
62 unsigned long orig_i0
,
63 unsigned long thread_info_flags
);
65 extern asmlinkage
int syscall_trace_enter(struct pt_regs
*regs
);
66 extern asmlinkage
void syscall_trace_leave(struct pt_regs
*regs
);
68 extern void bad_trap_tl1(struct pt_regs
*regs
, long lvl
);
70 extern void do_fpe_common(struct pt_regs
*regs
);
71 extern void do_fpieee(struct pt_regs
*regs
);
72 extern void do_fpother(struct pt_regs
*regs
);
73 extern void do_tof(struct pt_regs
*regs
);
74 extern void do_div0(struct pt_regs
*regs
);
75 extern void do_illegal_instruction(struct pt_regs
*regs
);
76 extern void mem_address_unaligned(struct pt_regs
*regs
,
79 extern void sun4v_do_mna(struct pt_regs
*regs
,
81 unsigned long type_ctx
);
82 extern void do_privop(struct pt_regs
*regs
);
83 extern void do_privact(struct pt_regs
*regs
);
84 extern void do_cee(struct pt_regs
*regs
);
85 extern void do_cee_tl1(struct pt_regs
*regs
);
86 extern void do_dae_tl1(struct pt_regs
*regs
);
87 extern void do_iae_tl1(struct pt_regs
*regs
);
88 extern void do_div0_tl1(struct pt_regs
*regs
);
89 extern void do_fpdis_tl1(struct pt_regs
*regs
);
90 extern void do_fpieee_tl1(struct pt_regs
*regs
);
91 extern void do_fpother_tl1(struct pt_regs
*regs
);
92 extern void do_ill_tl1(struct pt_regs
*regs
);
93 extern void do_irq_tl1(struct pt_regs
*regs
);
94 extern void do_lddfmna_tl1(struct pt_regs
*regs
);
95 extern void do_stdfmna_tl1(struct pt_regs
*regs
);
96 extern void do_paw(struct pt_regs
*regs
);
97 extern void do_paw_tl1(struct pt_regs
*regs
);
98 extern void do_vaw(struct pt_regs
*regs
);
99 extern void do_vaw_tl1(struct pt_regs
*regs
);
100 extern void do_tof_tl1(struct pt_regs
*regs
);
101 extern void do_getpsr(struct pt_regs
*regs
);
103 extern void spitfire_insn_access_exception(struct pt_regs
*regs
,
106 extern void spitfire_insn_access_exception_tl1(struct pt_regs
*regs
,
109 extern void spitfire_data_access_exception(struct pt_regs
*regs
,
112 extern void spitfire_data_access_exception_tl1(struct pt_regs
*regs
,
115 extern void spitfire_access_error(struct pt_regs
*regs
,
116 unsigned long status_encoded
,
119 extern void cheetah_fecc_handler(struct pt_regs
*regs
,
122 extern void cheetah_cee_handler(struct pt_regs
*regs
,
125 extern void cheetah_deferred_handler(struct pt_regs
*regs
,
128 extern void cheetah_plus_parity_error(int type
, struct pt_regs
*regs
);
130 extern void sun4v_insn_access_exception(struct pt_regs
*regs
,
132 unsigned long type_ctx
);
133 extern void sun4v_insn_access_exception_tl1(struct pt_regs
*regs
,
135 unsigned long type_ctx
);
136 extern void sun4v_data_access_exception(struct pt_regs
*regs
,
138 unsigned long type_ctx
);
139 extern void sun4v_data_access_exception_tl1(struct pt_regs
*regs
,
141 unsigned long type_ctx
);
142 extern void sun4v_resum_error(struct pt_regs
*regs
,
143 unsigned long offset
);
144 extern void sun4v_resum_overflow(struct pt_regs
*regs
);
145 extern void sun4v_nonresum_error(struct pt_regs
*regs
,
146 unsigned long offset
);
147 extern void sun4v_nonresum_overflow(struct pt_regs
*regs
);
149 extern unsigned long sun4v_err_itlb_vaddr
;
150 extern unsigned long sun4v_err_itlb_ctx
;
151 extern unsigned long sun4v_err_itlb_pte
;
152 extern unsigned long sun4v_err_itlb_error
;
154 extern void sun4v_itlb_error_report(struct pt_regs
*regs
, int tl
);
156 extern unsigned long sun4v_err_dtlb_vaddr
;
157 extern unsigned long sun4v_err_dtlb_ctx
;
158 extern unsigned long sun4v_err_dtlb_pte
;
159 extern unsigned long sun4v_err_dtlb_error
;
161 extern void sun4v_dtlb_error_report(struct pt_regs
*regs
, int tl
);
162 extern void hypervisor_tlbop_error(unsigned long err
,
164 extern void hypervisor_tlbop_error_xcall(unsigned long err
,
167 /* WARNING: The error trap handlers in assembly know the precise
168 * layout of the following structure.
170 * C-level handlers in traps.c use this information to log the
171 * error and then determine how to recover (if possible).
173 struct cheetah_err_info
{
178 /*0x10*/u64 dcache_data
[4]; /* The actual data */
179 /*0x30*/u64 dcache_index
; /* D-cache index */
180 /*0x38*/u64 dcache_tag
; /* D-cache tag/valid */
181 /*0x40*/u64 dcache_utag
; /* D-cache microtag */
182 /*0x48*/u64 dcache_stag
; /* D-cache snooptag */
185 /*0x50*/u64 icache_data
[8]; /* The actual insns + predecode */
186 /*0x90*/u64 icache_index
; /* I-cache index */
187 /*0x98*/u64 icache_tag
; /* I-cache phys tag */
188 /*0xa0*/u64 icache_utag
; /* I-cache microtag */
189 /*0xa8*/u64 icache_stag
; /* I-cache snooptag */
190 /*0xb0*/u64 icache_upper
; /* I-cache upper-tag */
191 /*0xb8*/u64 icache_lower
; /* I-cache lower-tag */
194 /*0xc0*/u64 ecache_data
[4]; /* 32 bytes from staging registers */
195 /*0xe0*/u64 ecache_index
; /* E-cache index */
196 /*0xe8*/u64 ecache_tag
; /* E-cache tag/state */
198 /*0xf0*/u64 __pad
[32 - 30];
200 #define CHAFSR_INVALID ((u64)-1L)
202 /* This is allocated at boot time based upon the largest hardware
203 * cpu ID in the system. We allocate two entries per cpu, one for
204 * TL==0 logging and one for TL >= 1 logging.
206 extern struct cheetah_err_info
*cheetah_error_log
;
208 /* UPA nodes send interrupt packet to UltraSparc with first data reg
209 * value low 5 (7 on Starfire) bits holding the IRQ identifier being
210 * delivered. We must translate this into a non-vector IRQ so we can
211 * set the softint on this cpu.
213 * To make processing these packets efficient and race free we use
214 * an array of irq buckets below. The interrupt vector handler in
215 * entry.S feeds incoming packets into per-cpu pil-indexed lists.
217 * If you make changes to ino_bucket, please update hand coded assembler
218 * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S
221 /*0x00*/unsigned long __irq_chain_pa
;
223 /* Interrupt number assigned to this INO. */
224 /*0x08*/unsigned int __irq
;
225 /*0x0c*/unsigned int __pad
;
228 extern struct ino_bucket
*ivector_table
;
229 extern unsigned long ivector_table_pa
;
231 extern void init_irqwork_curcpu(void);
232 extern void __cpuinit
sun4v_register_mondo_queues(int this_cpu
);
234 #endif /* CONFIG_SPARC32 */
235 #endif /* _ENTRY_H */