Commit | Line | Data |
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3d5ae6b6 DM |
1 | #ifndef _ENTRY_H |
2 | #define _ENTRY_H | |
3 | ||
bfdf9ebc | 4 | #include <linux/kernel.h> |
99cd2201 | 5 | #include <linux/types.h> |
bfdf9ebc | 6 | #include <linux/init.h> |
3d5ae6b6 DM |
7 | |
8 | extern char *sparc_cpu_type; | |
9 | extern char *sparc_fpu_type; | |
10 | ||
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; | |
16 | ||
207ddd0a DM |
17 | extern asmlinkage void update_perfctrs(void); |
18 | extern asmlinkage void sparc_breakpoint(struct pt_regs *regs); | |
cf3d7c1e DM |
19 | extern void timer_interrupt(int irq, struct pt_regs *regs); |
20 | ||
062ea6d3 DM |
21 | extern void do_notify_resume(struct pt_regs *regs, |
22 | unsigned long orig_i0, | |
062ea6d3 DM |
23 | unsigned long thread_info_flags); |
24 | ||
73ccefab | 25 | extern asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p); |
bfdf9ebc | 26 | |
99cd2201 DM |
27 | extern void bad_trap_tl1(struct pt_regs *regs, long lvl); |
28 | ||
29 | extern void do_fpe_common(struct pt_regs *regs); | |
30 | extern void do_fpieee(struct pt_regs *regs); | |
31 | extern void do_fpother(struct pt_regs *regs); | |
32 | extern void do_tof(struct pt_regs *regs); | |
33 | extern void do_div0(struct pt_regs *regs); | |
34 | extern void do_illegal_instruction(struct pt_regs *regs); | |
35 | extern void mem_address_unaligned(struct pt_regs *regs, | |
36 | unsigned long sfar, | |
37 | unsigned long sfsr); | |
38 | extern void sun4v_do_mna(struct pt_regs *regs, | |
39 | unsigned long addr, | |
40 | unsigned long type_ctx); | |
41 | extern void do_privop(struct pt_regs *regs); | |
42 | extern void do_privact(struct pt_regs *regs); | |
43 | extern void do_cee(struct pt_regs *regs); | |
44 | extern void do_cee_tl1(struct pt_regs *regs); | |
45 | extern void do_dae_tl1(struct pt_regs *regs); | |
46 | extern void do_iae_tl1(struct pt_regs *regs); | |
47 | extern void do_div0_tl1(struct pt_regs *regs); | |
48 | extern void do_fpdis_tl1(struct pt_regs *regs); | |
49 | extern void do_fpieee_tl1(struct pt_regs *regs); | |
50 | extern void do_fpother_tl1(struct pt_regs *regs); | |
51 | extern void do_ill_tl1(struct pt_regs *regs); | |
52 | extern void do_irq_tl1(struct pt_regs *regs); | |
53 | extern void do_lddfmna_tl1(struct pt_regs *regs); | |
54 | extern void do_stdfmna_tl1(struct pt_regs *regs); | |
55 | extern void do_paw(struct pt_regs *regs); | |
56 | extern void do_paw_tl1(struct pt_regs *regs); | |
57 | extern void do_vaw(struct pt_regs *regs); | |
58 | extern void do_vaw_tl1(struct pt_regs *regs); | |
59 | extern void do_tof_tl1(struct pt_regs *regs); | |
60 | extern void do_getpsr(struct pt_regs *regs); | |
61 | ||
62 | extern void spitfire_insn_access_exception(struct pt_regs *regs, | |
63 | unsigned long sfsr, | |
64 | unsigned long sfar); | |
65 | extern void spitfire_insn_access_exception_tl1(struct pt_regs *regs, | |
66 | unsigned long sfsr, | |
67 | unsigned long sfar); | |
68 | extern void spitfire_data_access_exception(struct pt_regs *regs, | |
69 | unsigned long sfsr, | |
70 | unsigned long sfar); | |
71 | extern void spitfire_data_access_exception_tl1(struct pt_regs *regs, | |
72 | unsigned long sfsr, | |
73 | unsigned long sfar); | |
74 | extern void spitfire_access_error(struct pt_regs *regs, | |
75 | unsigned long status_encoded, | |
76 | unsigned long afar); | |
77 | ||
78 | extern void cheetah_fecc_handler(struct pt_regs *regs, | |
79 | unsigned long afsr, | |
80 | unsigned long afar); | |
81 | extern void cheetah_cee_handler(struct pt_regs *regs, | |
82 | unsigned long afsr, | |
83 | unsigned long afar); | |
84 | extern void cheetah_deferred_handler(struct pt_regs *regs, | |
85 | unsigned long afsr, | |
86 | unsigned long afar); | |
87 | extern void cheetah_plus_parity_error(int type, struct pt_regs *regs); | |
88 | ||
89 | extern void sun4v_insn_access_exception(struct pt_regs *regs, | |
90 | unsigned long addr, | |
91 | unsigned long type_ctx); | |
92 | extern void sun4v_insn_access_exception_tl1(struct pt_regs *regs, | |
93 | unsigned long addr, | |
94 | unsigned long type_ctx); | |
95 | extern void sun4v_data_access_exception(struct pt_regs *regs, | |
96 | unsigned long addr, | |
97 | unsigned long type_ctx); | |
98 | extern void sun4v_data_access_exception_tl1(struct pt_regs *regs, | |
99 | unsigned long addr, | |
100 | unsigned long type_ctx); | |
101 | extern void sun4v_resum_error(struct pt_regs *regs, | |
102 | unsigned long offset); | |
103 | extern void sun4v_resum_overflow(struct pt_regs *regs); | |
104 | extern void sun4v_nonresum_error(struct pt_regs *regs, | |
105 | unsigned long offset); | |
106 | extern void sun4v_nonresum_overflow(struct pt_regs *regs); | |
107 | ||
108 | extern unsigned long sun4v_err_itlb_vaddr; | |
109 | extern unsigned long sun4v_err_itlb_ctx; | |
110 | extern unsigned long sun4v_err_itlb_pte; | |
111 | extern unsigned long sun4v_err_itlb_error; | |
112 | ||
113 | extern void sun4v_itlb_error_report(struct pt_regs *regs, int tl); | |
114 | ||
115 | extern unsigned long sun4v_err_dtlb_vaddr; | |
116 | extern unsigned long sun4v_err_dtlb_ctx; | |
117 | extern unsigned long sun4v_err_dtlb_pte; | |
118 | extern unsigned long sun4v_err_dtlb_error; | |
119 | ||
120 | extern void sun4v_dtlb_error_report(struct pt_regs *regs, int tl); | |
121 | extern void hypervisor_tlbop_error(unsigned long err, | |
122 | unsigned long op); | |
123 | extern void hypervisor_tlbop_error_xcall(unsigned long err, | |
124 | unsigned long op); | |
125 | ||
126 | /* WARNING: The error trap handlers in assembly know the precise | |
127 | * layout of the following structure. | |
128 | * | |
129 | * C-level handlers in traps.c use this information to log the | |
130 | * error and then determine how to recover (if possible). | |
131 | */ | |
132 | struct cheetah_err_info { | |
133 | /*0x00*/u64 afsr; | |
134 | /*0x08*/u64 afar; | |
135 | ||
136 | /* D-cache state */ | |
137 | /*0x10*/u64 dcache_data[4]; /* The actual data */ | |
138 | /*0x30*/u64 dcache_index; /* D-cache index */ | |
139 | /*0x38*/u64 dcache_tag; /* D-cache tag/valid */ | |
140 | /*0x40*/u64 dcache_utag; /* D-cache microtag */ | |
141 | /*0x48*/u64 dcache_stag; /* D-cache snooptag */ | |
142 | ||
143 | /* I-cache state */ | |
144 | /*0x50*/u64 icache_data[8]; /* The actual insns + predecode */ | |
145 | /*0x90*/u64 icache_index; /* I-cache index */ | |
146 | /*0x98*/u64 icache_tag; /* I-cache phys tag */ | |
147 | /*0xa0*/u64 icache_utag; /* I-cache microtag */ | |
148 | /*0xa8*/u64 icache_stag; /* I-cache snooptag */ | |
149 | /*0xb0*/u64 icache_upper; /* I-cache upper-tag */ | |
150 | /*0xb8*/u64 icache_lower; /* I-cache lower-tag */ | |
151 | ||
152 | /* E-cache state */ | |
153 | /*0xc0*/u64 ecache_data[4]; /* 32 bytes from staging registers */ | |
154 | /*0xe0*/u64 ecache_index; /* E-cache index */ | |
155 | /*0xe8*/u64 ecache_tag; /* E-cache tag/state */ | |
156 | ||
157 | /*0xf0*/u64 __pad[32 - 30]; | |
158 | }; | |
159 | #define CHAFSR_INVALID ((u64)-1L) | |
160 | ||
161 | /* This is allocated at boot time based upon the largest hardware | |
162 | * cpu ID in the system. We allocate two entries per cpu, one for | |
163 | * TL==0 logging and one for TL >= 1 logging. | |
164 | */ | |
165 | extern struct cheetah_err_info *cheetah_error_log; | |
166 | ||
d91aa123 DM |
167 | /* UPA nodes send interrupt packet to UltraSparc with first data reg |
168 | * value low 5 (7 on Starfire) bits holding the IRQ identifier being | |
169 | * delivered. We must translate this into a non-vector IRQ so we can | |
170 | * set the softint on this cpu. | |
171 | * | |
172 | * To make processing these packets efficient and race free we use | |
173 | * an array of irq buckets below. The interrupt vector handler in | |
174 | * entry.S feeds incoming packets into per-cpu pil-indexed lists. | |
175 | * | |
176 | * If you make changes to ino_bucket, please update hand coded assembler | |
177 | * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S | |
178 | */ | |
179 | struct ino_bucket { | |
180 | /*0x00*/unsigned long __irq_chain_pa; | |
181 | ||
182 | /* Virtual interrupt number assigned to this INO. */ | |
183 | /*0x08*/unsigned int __virt_irq; | |
184 | /*0x0c*/unsigned int __pad; | |
185 | }; | |
186 | ||
187 | extern struct ino_bucket *ivector_table; | |
188 | extern unsigned long ivector_table_pa; | |
189 | ||
190 | extern void handler_irq(int irq, struct pt_regs *regs); | |
191 | extern void init_irqwork_curcpu(void); | |
192 | extern void __cpuinit sun4v_register_mondo_queues(int this_cpu); | |
193 | ||
3d5ae6b6 | 194 | #endif /* _ENTRY_H */ |