4 #include <linux/kernel.h>
5 #include <linux/types.h>
6 #include <linux/init.h>
8 extern char *sparc_cpu_type;
9 extern char *sparc_fpu_type;
11 extern void __init per_cpu_patch(void);
12 extern void __init sun4v_patch(void);
13 extern void __init boot_cpu_id_too_large(int cpu);
14 extern unsigned int dcache_parity_tl1_occurred;
15 extern unsigned int icache_parity_tl1_occurred;
17 extern void timer_interrupt(int irq, struct pt_regs *regs);
19 extern asmlinkage void syscall_trace(struct pt_regs *regs,
22 extern void bad_trap_tl1(struct pt_regs *regs, long lvl);
24 extern void do_fpe_common(struct pt_regs *regs);
25 extern void do_fpieee(struct pt_regs *regs);
26 extern void do_fpother(struct pt_regs *regs);
27 extern void do_tof(struct pt_regs *regs);
28 extern void do_div0(struct pt_regs *regs);
29 extern void do_illegal_instruction(struct pt_regs *regs);
30 extern void mem_address_unaligned(struct pt_regs *regs,
33 extern void sun4v_do_mna(struct pt_regs *regs,
35 unsigned long type_ctx);
36 extern void do_privop(struct pt_regs *regs);
37 extern void do_privact(struct pt_regs *regs);
38 extern void do_cee(struct pt_regs *regs);
39 extern void do_cee_tl1(struct pt_regs *regs);
40 extern void do_dae_tl1(struct pt_regs *regs);
41 extern void do_iae_tl1(struct pt_regs *regs);
42 extern void do_div0_tl1(struct pt_regs *regs);
43 extern void do_fpdis_tl1(struct pt_regs *regs);
44 extern void do_fpieee_tl1(struct pt_regs *regs);
45 extern void do_fpother_tl1(struct pt_regs *regs);
46 extern void do_ill_tl1(struct pt_regs *regs);
47 extern void do_irq_tl1(struct pt_regs *regs);
48 extern void do_lddfmna_tl1(struct pt_regs *regs);
49 extern void do_stdfmna_tl1(struct pt_regs *regs);
50 extern void do_paw(struct pt_regs *regs);
51 extern void do_paw_tl1(struct pt_regs *regs);
52 extern void do_vaw(struct pt_regs *regs);
53 extern void do_vaw_tl1(struct pt_regs *regs);
54 extern void do_tof_tl1(struct pt_regs *regs);
55 extern void do_getpsr(struct pt_regs *regs);
57 extern void spitfire_insn_access_exception(struct pt_regs *regs,
60 extern void spitfire_insn_access_exception_tl1(struct pt_regs *regs,
63 extern void spitfire_data_access_exception(struct pt_regs *regs,
66 extern void spitfire_data_access_exception_tl1(struct pt_regs *regs,
69 extern void spitfire_access_error(struct pt_regs *regs,
70 unsigned long status_encoded,
73 extern void cheetah_fecc_handler(struct pt_regs *regs,
76 extern void cheetah_cee_handler(struct pt_regs *regs,
79 extern void cheetah_deferred_handler(struct pt_regs *regs,
82 extern void cheetah_plus_parity_error(int type, struct pt_regs *regs);
84 extern void sun4v_insn_access_exception(struct pt_regs *regs,
86 unsigned long type_ctx);
87 extern void sun4v_insn_access_exception_tl1(struct pt_regs *regs,
89 unsigned long type_ctx);
90 extern void sun4v_data_access_exception(struct pt_regs *regs,
92 unsigned long type_ctx);
93 extern void sun4v_data_access_exception_tl1(struct pt_regs *regs,
95 unsigned long type_ctx);
96 extern void sun4v_resum_error(struct pt_regs *regs,
97 unsigned long offset);
98 extern void sun4v_resum_overflow(struct pt_regs *regs);
99 extern void sun4v_nonresum_error(struct pt_regs *regs,
100 unsigned long offset);
101 extern void sun4v_nonresum_overflow(struct pt_regs *regs);
103 extern unsigned long sun4v_err_itlb_vaddr;
104 extern unsigned long sun4v_err_itlb_ctx;
105 extern unsigned long sun4v_err_itlb_pte;
106 extern unsigned long sun4v_err_itlb_error;
108 extern void sun4v_itlb_error_report(struct pt_regs *regs, int tl);
110 extern unsigned long sun4v_err_dtlb_vaddr;
111 extern unsigned long sun4v_err_dtlb_ctx;
112 extern unsigned long sun4v_err_dtlb_pte;
113 extern unsigned long sun4v_err_dtlb_error;
115 extern void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);
116 extern void hypervisor_tlbop_error(unsigned long err,
118 extern void hypervisor_tlbop_error_xcall(unsigned long err,
121 /* WARNING: The error trap handlers in assembly know the precise
122 * layout of the following structure.
124 * C-level handlers in traps.c use this information to log the
125 * error and then determine how to recover (if possible).
127 struct cheetah_err_info {
132 /*0x10*/u64 dcache_data[4]; /* The actual data */
133 /*0x30*/u64 dcache_index; /* D-cache index */
134 /*0x38*/u64 dcache_tag; /* D-cache tag/valid */
135 /*0x40*/u64 dcache_utag; /* D-cache microtag */
136 /*0x48*/u64 dcache_stag; /* D-cache snooptag */
139 /*0x50*/u64 icache_data[8]; /* The actual insns + predecode */
140 /*0x90*/u64 icache_index; /* I-cache index */
141 /*0x98*/u64 icache_tag; /* I-cache phys tag */
142 /*0xa0*/u64 icache_utag; /* I-cache microtag */
143 /*0xa8*/u64 icache_stag; /* I-cache snooptag */
144 /*0xb0*/u64 icache_upper; /* I-cache upper-tag */
145 /*0xb8*/u64 icache_lower; /* I-cache lower-tag */
148 /*0xc0*/u64 ecache_data[4]; /* 32 bytes from staging registers */
149 /*0xe0*/u64 ecache_index; /* E-cache index */
150 /*0xe8*/u64 ecache_tag; /* E-cache tag/state */
152 /*0xf0*/u64 __pad[32 - 30];
154 #define CHAFSR_INVALID ((u64)-1L)
156 /* This is allocated at boot time based upon the largest hardware
157 * cpu ID in the system. We allocate two entries per cpu, one for
158 * TL==0 logging and one for TL >= 1 logging.
160 extern struct cheetah_err_info *cheetah_error_log;
162 /* UPA nodes send interrupt packet to UltraSparc with first data reg
163 * value low 5 (7 on Starfire) bits holding the IRQ identifier being
164 * delivered. We must translate this into a non-vector IRQ so we can
165 * set the softint on this cpu.
167 * To make processing these packets efficient and race free we use
168 * an array of irq buckets below. The interrupt vector handler in
169 * entry.S feeds incoming packets into per-cpu pil-indexed lists.
171 * If you make changes to ino_bucket, please update hand coded assembler
172 * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S
175 /*0x00*/unsigned long __irq_chain_pa;
177 /* Virtual interrupt number assigned to this INO. */
178 /*0x08*/unsigned int __virt_irq;
179 /*0x0c*/unsigned int __pad;
182 extern struct ino_bucket *ivector_table;
183 extern unsigned long ivector_table_pa;
185 extern void handler_irq(int irq, struct pt_regs *regs);
186 extern void init_irqwork_curcpu(void);
187 extern void __cpuinit sun4v_register_mondo_queues(int this_cpu);
189 #endif /* _ENTRY_H */