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 extern void __init per_cpu_patch(void);
46 extern void __init sun4v_patch(void);
47 extern void __init boot_cpu_id_too_large(int cpu);
48 extern unsigned int dcache_parity_tl1_occurred;
49 extern unsigned int icache_parity_tl1_occurred;
51 extern asmlinkage void update_perfctrs(void);
52 extern asmlinkage void sparc_breakpoint(struct pt_regs *regs);
53 extern void timer_interrupt(int irq, struct pt_regs *regs);
55 extern void do_notify_resume(struct pt_regs *regs,
56 unsigned long orig_i0,
57 unsigned long thread_info_flags);
59 extern asmlinkage int syscall_trace_enter(struct pt_regs *regs);
60 extern asmlinkage void syscall_trace_leave(struct pt_regs *regs);
62 extern void bad_trap_tl1(struct pt_regs *regs, long lvl);
64 extern void do_fpe_common(struct pt_regs *regs);
65 extern void do_fpieee(struct pt_regs *regs);
66 extern void do_fpother(struct pt_regs *regs);
67 extern void do_tof(struct pt_regs *regs);
68 extern void do_div0(struct pt_regs *regs);
69 extern void do_illegal_instruction(struct pt_regs *regs);
70 extern void mem_address_unaligned(struct pt_regs *regs,
73 extern void sun4v_do_mna(struct pt_regs *regs,
75 unsigned long type_ctx);
76 extern void do_privop(struct pt_regs *regs);
77 extern void do_privact(struct pt_regs *regs);
78 extern void do_cee(struct pt_regs *regs);
79 extern void do_cee_tl1(struct pt_regs *regs);
80 extern void do_dae_tl1(struct pt_regs *regs);
81 extern void do_iae_tl1(struct pt_regs *regs);
82 extern void do_div0_tl1(struct pt_regs *regs);
83 extern void do_fpdis_tl1(struct pt_regs *regs);
84 extern void do_fpieee_tl1(struct pt_regs *regs);
85 extern void do_fpother_tl1(struct pt_regs *regs);
86 extern void do_ill_tl1(struct pt_regs *regs);
87 extern void do_irq_tl1(struct pt_regs *regs);
88 extern void do_lddfmna_tl1(struct pt_regs *regs);
89 extern void do_stdfmna_tl1(struct pt_regs *regs);
90 extern void do_paw(struct pt_regs *regs);
91 extern void do_paw_tl1(struct pt_regs *regs);
92 extern void do_vaw(struct pt_regs *regs);
93 extern void do_vaw_tl1(struct pt_regs *regs);
94 extern void do_tof_tl1(struct pt_regs *regs);
95 extern void do_getpsr(struct pt_regs *regs);
97 extern void spitfire_insn_access_exception(struct pt_regs *regs,
100 extern void spitfire_insn_access_exception_tl1(struct pt_regs *regs,
103 extern void spitfire_data_access_exception(struct pt_regs *regs,
106 extern void spitfire_data_access_exception_tl1(struct pt_regs *regs,
109 extern void spitfire_access_error(struct pt_regs *regs,
110 unsigned long status_encoded,
113 extern void cheetah_fecc_handler(struct pt_regs *regs,
116 extern void cheetah_cee_handler(struct pt_regs *regs,
119 extern void cheetah_deferred_handler(struct pt_regs *regs,
122 extern void cheetah_plus_parity_error(int type, struct pt_regs *regs);
124 extern void sun4v_insn_access_exception(struct pt_regs *regs,
126 unsigned long type_ctx);
127 extern void sun4v_insn_access_exception_tl1(struct pt_regs *regs,
129 unsigned long type_ctx);
130 extern void sun4v_data_access_exception(struct pt_regs *regs,
132 unsigned long type_ctx);
133 extern void sun4v_data_access_exception_tl1(struct pt_regs *regs,
135 unsigned long type_ctx);
136 extern void sun4v_resum_error(struct pt_regs *regs,
137 unsigned long offset);
138 extern void sun4v_resum_overflow(struct pt_regs *regs);
139 extern void sun4v_nonresum_error(struct pt_regs *regs,
140 unsigned long offset);
141 extern void sun4v_nonresum_overflow(struct pt_regs *regs);
143 extern unsigned long sun4v_err_itlb_vaddr;
144 extern unsigned long sun4v_err_itlb_ctx;
145 extern unsigned long sun4v_err_itlb_pte;
146 extern unsigned long sun4v_err_itlb_error;
148 extern void sun4v_itlb_error_report(struct pt_regs *regs, int tl);
150 extern unsigned long sun4v_err_dtlb_vaddr;
151 extern unsigned long sun4v_err_dtlb_ctx;
152 extern unsigned long sun4v_err_dtlb_pte;
153 extern unsigned long sun4v_err_dtlb_error;
155 extern void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);
156 extern void hypervisor_tlbop_error(unsigned long err,
158 extern void hypervisor_tlbop_error_xcall(unsigned long err,
161 /* WARNING: The error trap handlers in assembly know the precise
162 * layout of the following structure.
164 * C-level handlers in traps.c use this information to log the
165 * error and then determine how to recover (if possible).
167 struct cheetah_err_info {
172 /*0x10*/u64 dcache_data[4]; /* The actual data */
173 /*0x30*/u64 dcache_index; /* D-cache index */
174 /*0x38*/u64 dcache_tag; /* D-cache tag/valid */
175 /*0x40*/u64 dcache_utag; /* D-cache microtag */
176 /*0x48*/u64 dcache_stag; /* D-cache snooptag */
179 /*0x50*/u64 icache_data[8]; /* The actual insns + predecode */
180 /*0x90*/u64 icache_index; /* I-cache index */
181 /*0x98*/u64 icache_tag; /* I-cache phys tag */
182 /*0xa0*/u64 icache_utag; /* I-cache microtag */
183 /*0xa8*/u64 icache_stag; /* I-cache snooptag */
184 /*0xb0*/u64 icache_upper; /* I-cache upper-tag */
185 /*0xb8*/u64 icache_lower; /* I-cache lower-tag */
188 /*0xc0*/u64 ecache_data[4]; /* 32 bytes from staging registers */
189 /*0xe0*/u64 ecache_index; /* E-cache index */
190 /*0xe8*/u64 ecache_tag; /* E-cache tag/state */
192 /*0xf0*/u64 __pad[32 - 30];
194 #define CHAFSR_INVALID ((u64)-1L)
196 /* This is allocated at boot time based upon the largest hardware
197 * cpu ID in the system. We allocate two entries per cpu, one for
198 * TL==0 logging and one for TL >= 1 logging.
200 extern struct cheetah_err_info *cheetah_error_log;
202 /* UPA nodes send interrupt packet to UltraSparc with first data reg
203 * value low 5 (7 on Starfire) bits holding the IRQ identifier being
204 * delivered. We must translate this into a non-vector IRQ so we can
205 * set the softint on this cpu.
207 * To make processing these packets efficient and race free we use
208 * an array of irq buckets below. The interrupt vector handler in
209 * entry.S feeds incoming packets into per-cpu pil-indexed lists.
211 * If you make changes to ino_bucket, please update hand coded assembler
212 * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S
215 /*0x00*/unsigned long __irq_chain_pa;
217 /* Virtual interrupt number assigned to this INO. */
218 /*0x08*/unsigned int __virt_irq;
219 /*0x0c*/unsigned int __pad;
222 extern struct ino_bucket *ivector_table;
223 extern unsigned long ivector_table_pa;
225 extern void init_irqwork_curcpu(void);
226 extern void __cpuinit sun4v_register_mondo_queues(int this_cpu);
228 #endif /* CONFIG_SPARC32 */
229 #endif /* _ENTRY_H */