4 #include <linux/kernel.h>
5 #include <linux/types.h>
6 #include <linux/init.h>
10 extern void do_hw_interrupt(struct pt_regs *regs, unsigned long type);
11 extern void do_illegal_instruction(struct pt_regs *regs, unsigned long pc,
12 unsigned long npc, unsigned long psr);
14 extern void do_priv_instruction(struct pt_regs *regs, unsigned long pc,
15 unsigned long npc, unsigned long psr);
16 extern void do_memaccess_unaligned(struct pt_regs *regs, unsigned long pc,
19 extern void do_fpd_trap(struct pt_regs *regs, unsigned long pc,
20 unsigned long npc, unsigned long psr);
21 extern void do_fpe_trap(struct pt_regs *regs, unsigned long pc,
22 unsigned long npc, unsigned long psr);
23 extern void handle_tag_overflow(struct pt_regs *regs, unsigned long pc,
24 unsigned long npc, unsigned long psr);
25 extern void handle_watchpoint(struct pt_regs *regs, unsigned long pc,
26 unsigned long npc, unsigned long psr);
27 extern void handle_reg_access(struct pt_regs *regs, unsigned long pc,
28 unsigned long npc, unsigned long psr);
29 extern void handle_cp_disabled(struct pt_regs *regs, unsigned long pc,
30 unsigned long npc, unsigned long psr);
31 extern void handle_cp_exception(struct pt_regs *regs, unsigned long pc,
32 unsigned long npc, unsigned long psr);
37 extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
38 void *fpqueue, unsigned long *fpqdepth);
39 extern void fpload(unsigned long *fpregs, unsigned long *fsr);
41 #else /* CONFIG_SPARC32 */
42 extern void __init per_cpu_patch(void);
43 extern void __init sun4v_patch(void);
44 extern void __init boot_cpu_id_too_large(int cpu);
45 extern unsigned int dcache_parity_tl1_occurred;
46 extern unsigned int icache_parity_tl1_occurred;
48 extern asmlinkage void update_perfctrs(void);
49 extern asmlinkage void sparc_breakpoint(struct pt_regs *regs);
50 extern void timer_interrupt(int irq, struct pt_regs *regs);
52 extern void do_notify_resume(struct pt_regs *regs,
53 unsigned long orig_i0,
54 unsigned long thread_info_flags);
56 extern asmlinkage int syscall_trace_enter(struct pt_regs *regs);
57 extern asmlinkage void syscall_trace_leave(struct pt_regs *regs);
59 extern void bad_trap_tl1(struct pt_regs *regs, long lvl);
61 extern void do_fpe_common(struct pt_regs *regs);
62 extern void do_fpieee(struct pt_regs *regs);
63 extern void do_fpother(struct pt_regs *regs);
64 extern void do_tof(struct pt_regs *regs);
65 extern void do_div0(struct pt_regs *regs);
66 extern void do_illegal_instruction(struct pt_regs *regs);
67 extern void mem_address_unaligned(struct pt_regs *regs,
70 extern void sun4v_do_mna(struct pt_regs *regs,
72 unsigned long type_ctx);
73 extern void do_privop(struct pt_regs *regs);
74 extern void do_privact(struct pt_regs *regs);
75 extern void do_cee(struct pt_regs *regs);
76 extern void do_cee_tl1(struct pt_regs *regs);
77 extern void do_dae_tl1(struct pt_regs *regs);
78 extern void do_iae_tl1(struct pt_regs *regs);
79 extern void do_div0_tl1(struct pt_regs *regs);
80 extern void do_fpdis_tl1(struct pt_regs *regs);
81 extern void do_fpieee_tl1(struct pt_regs *regs);
82 extern void do_fpother_tl1(struct pt_regs *regs);
83 extern void do_ill_tl1(struct pt_regs *regs);
84 extern void do_irq_tl1(struct pt_regs *regs);
85 extern void do_lddfmna_tl1(struct pt_regs *regs);
86 extern void do_stdfmna_tl1(struct pt_regs *regs);
87 extern void do_paw(struct pt_regs *regs);
88 extern void do_paw_tl1(struct pt_regs *regs);
89 extern void do_vaw(struct pt_regs *regs);
90 extern void do_vaw_tl1(struct pt_regs *regs);
91 extern void do_tof_tl1(struct pt_regs *regs);
92 extern void do_getpsr(struct pt_regs *regs);
94 extern void spitfire_insn_access_exception(struct pt_regs *regs,
97 extern void spitfire_insn_access_exception_tl1(struct pt_regs *regs,
100 extern void spitfire_data_access_exception(struct pt_regs *regs,
103 extern void spitfire_data_access_exception_tl1(struct pt_regs *regs,
106 extern void spitfire_access_error(struct pt_regs *regs,
107 unsigned long status_encoded,
110 extern void cheetah_fecc_handler(struct pt_regs *regs,
113 extern void cheetah_cee_handler(struct pt_regs *regs,
116 extern void cheetah_deferred_handler(struct pt_regs *regs,
119 extern void cheetah_plus_parity_error(int type, struct pt_regs *regs);
121 extern void sun4v_insn_access_exception(struct pt_regs *regs,
123 unsigned long type_ctx);
124 extern void sun4v_insn_access_exception_tl1(struct pt_regs *regs,
126 unsigned long type_ctx);
127 extern void sun4v_data_access_exception(struct pt_regs *regs,
129 unsigned long type_ctx);
130 extern void sun4v_data_access_exception_tl1(struct pt_regs *regs,
132 unsigned long type_ctx);
133 extern void sun4v_resum_error(struct pt_regs *regs,
134 unsigned long offset);
135 extern void sun4v_resum_overflow(struct pt_regs *regs);
136 extern void sun4v_nonresum_error(struct pt_regs *regs,
137 unsigned long offset);
138 extern void sun4v_nonresum_overflow(struct pt_regs *regs);
140 extern unsigned long sun4v_err_itlb_vaddr;
141 extern unsigned long sun4v_err_itlb_ctx;
142 extern unsigned long sun4v_err_itlb_pte;
143 extern unsigned long sun4v_err_itlb_error;
145 extern void sun4v_itlb_error_report(struct pt_regs *regs, int tl);
147 extern unsigned long sun4v_err_dtlb_vaddr;
148 extern unsigned long sun4v_err_dtlb_ctx;
149 extern unsigned long sun4v_err_dtlb_pte;
150 extern unsigned long sun4v_err_dtlb_error;
152 extern void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);
153 extern void hypervisor_tlbop_error(unsigned long err,
155 extern void hypervisor_tlbop_error_xcall(unsigned long err,
158 /* WARNING: The error trap handlers in assembly know the precise
159 * layout of the following structure.
161 * C-level handlers in traps.c use this information to log the
162 * error and then determine how to recover (if possible).
164 struct cheetah_err_info {
169 /*0x10*/u64 dcache_data[4]; /* The actual data */
170 /*0x30*/u64 dcache_index; /* D-cache index */
171 /*0x38*/u64 dcache_tag; /* D-cache tag/valid */
172 /*0x40*/u64 dcache_utag; /* D-cache microtag */
173 /*0x48*/u64 dcache_stag; /* D-cache snooptag */
176 /*0x50*/u64 icache_data[8]; /* The actual insns + predecode */
177 /*0x90*/u64 icache_index; /* I-cache index */
178 /*0x98*/u64 icache_tag; /* I-cache phys tag */
179 /*0xa0*/u64 icache_utag; /* I-cache microtag */
180 /*0xa8*/u64 icache_stag; /* I-cache snooptag */
181 /*0xb0*/u64 icache_upper; /* I-cache upper-tag */
182 /*0xb8*/u64 icache_lower; /* I-cache lower-tag */
185 /*0xc0*/u64 ecache_data[4]; /* 32 bytes from staging registers */
186 /*0xe0*/u64 ecache_index; /* E-cache index */
187 /*0xe8*/u64 ecache_tag; /* E-cache tag/state */
189 /*0xf0*/u64 __pad[32 - 30];
191 #define CHAFSR_INVALID ((u64)-1L)
193 /* This is allocated at boot time based upon the largest hardware
194 * cpu ID in the system. We allocate two entries per cpu, one for
195 * TL==0 logging and one for TL >= 1 logging.
197 extern struct cheetah_err_info *cheetah_error_log;
199 /* UPA nodes send interrupt packet to UltraSparc with first data reg
200 * value low 5 (7 on Starfire) bits holding the IRQ identifier being
201 * delivered. We must translate this into a non-vector IRQ so we can
202 * set the softint on this cpu.
204 * To make processing these packets efficient and race free we use
205 * an array of irq buckets below. The interrupt vector handler in
206 * entry.S feeds incoming packets into per-cpu pil-indexed lists.
208 * If you make changes to ino_bucket, please update hand coded assembler
209 * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S
212 /*0x00*/unsigned long __irq_chain_pa;
214 /* Virtual interrupt number assigned to this INO. */
215 /*0x08*/unsigned int __virt_irq;
216 /*0x0c*/unsigned int __pad;
219 extern struct ino_bucket *ivector_table;
220 extern unsigned long ivector_table_pa;
222 extern void handler_irq(int irq, struct pt_regs *regs);
223 extern void init_irqwork_curcpu(void);
224 extern void __cpuinit sun4v_register_mondo_queues(int this_cpu);
226 #endif /* CONFIG_SPARC32 */
227 #endif /* _ENTRY_H */