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 | 7 | |
81265fd9 SR |
8 | /* irq */ |
9 | extern void handler_irq(int irq, struct pt_regs *regs); | |
10 | ||
8d74e32a SR |
11 | #ifdef CONFIG_SPARC32 |
12 | /* traps */ | |
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); | |
16 | ||
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, | |
20 | unsigned long npc, | |
21 | unsigned long psr); | |
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); | |
36 | ||
37 | ||
38 | ||
39 | /* entry.S */ | |
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); | |
43 | ||
44 | #else /* CONFIG_SPARC32 */ | |
0b64120c DM |
45 | |
46 | #include <asm/trap_block.h> | |
47 | ||
ef7c4d46 DM |
48 | struct popc_3insn_patch_entry { |
49 | unsigned int addr; | |
50 | unsigned int insns[3]; | |
51 | }; | |
52 | extern struct popc_3insn_patch_entry __popc_3insn_patch, | |
53 | __popc_3insn_patch_end; | |
54 | ||
56d205cc DM |
55 | struct popc_6insn_patch_entry { |
56 | unsigned int addr; | |
57 | unsigned int insns[6]; | |
58 | }; | |
59 | extern struct popc_6insn_patch_entry __popc_6insn_patch, | |
60 | __popc_6insn_patch_end; | |
61 | ||
3d5ae6b6 | 62 | extern void __init per_cpu_patch(void); |
0b64120c DM |
63 | extern void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *, |
64 | struct sun4v_1insn_patch_entry *); | |
65 | extern void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *, | |
66 | struct sun4v_2insn_patch_entry *); | |
3d5ae6b6 DM |
67 | extern void __init sun4v_patch(void); |
68 | extern void __init boot_cpu_id_too_large(int cpu); | |
69 | extern unsigned int dcache_parity_tl1_occurred; | |
70 | extern unsigned int icache_parity_tl1_occurred; | |
71 | ||
207ddd0a | 72 | extern asmlinkage void sparc_breakpoint(struct pt_regs *regs); |
cf3d7c1e DM |
73 | extern void timer_interrupt(int irq, struct pt_regs *regs); |
74 | ||
062ea6d3 DM |
75 | extern void do_notify_resume(struct pt_regs *regs, |
76 | unsigned long orig_i0, | |
062ea6d3 DM |
77 | unsigned long thread_info_flags); |
78 | ||
fe06ccaa DM |
79 | extern asmlinkage int syscall_trace_enter(struct pt_regs *regs); |
80 | extern asmlinkage void syscall_trace_leave(struct pt_regs *regs); | |
bfdf9ebc | 81 | |
99cd2201 DM |
82 | extern void bad_trap_tl1(struct pt_regs *regs, long lvl); |
83 | ||
84 | extern void do_fpe_common(struct pt_regs *regs); | |
85 | extern void do_fpieee(struct pt_regs *regs); | |
86 | extern void do_fpother(struct pt_regs *regs); | |
87 | extern void do_tof(struct pt_regs *regs); | |
88 | extern void do_div0(struct pt_regs *regs); | |
89 | extern void do_illegal_instruction(struct pt_regs *regs); | |
90 | extern void mem_address_unaligned(struct pt_regs *regs, | |
91 | unsigned long sfar, | |
92 | unsigned long sfsr); | |
93 | extern void sun4v_do_mna(struct pt_regs *regs, | |
94 | unsigned long addr, | |
95 | unsigned long type_ctx); | |
96 | extern void do_privop(struct pt_regs *regs); | |
97 | extern void do_privact(struct pt_regs *regs); | |
98 | extern void do_cee(struct pt_regs *regs); | |
99 | extern void do_cee_tl1(struct pt_regs *regs); | |
100 | extern void do_dae_tl1(struct pt_regs *regs); | |
101 | extern void do_iae_tl1(struct pt_regs *regs); | |
102 | extern void do_div0_tl1(struct pt_regs *regs); | |
103 | extern void do_fpdis_tl1(struct pt_regs *regs); | |
104 | extern void do_fpieee_tl1(struct pt_regs *regs); | |
105 | extern void do_fpother_tl1(struct pt_regs *regs); | |
106 | extern void do_ill_tl1(struct pt_regs *regs); | |
107 | extern void do_irq_tl1(struct pt_regs *regs); | |
108 | extern void do_lddfmna_tl1(struct pt_regs *regs); | |
109 | extern void do_stdfmna_tl1(struct pt_regs *regs); | |
110 | extern void do_paw(struct pt_regs *regs); | |
111 | extern void do_paw_tl1(struct pt_regs *regs); | |
112 | extern void do_vaw(struct pt_regs *regs); | |
113 | extern void do_vaw_tl1(struct pt_regs *regs); | |
114 | extern void do_tof_tl1(struct pt_regs *regs); | |
115 | extern void do_getpsr(struct pt_regs *regs); | |
116 | ||
117 | extern void spitfire_insn_access_exception(struct pt_regs *regs, | |
118 | unsigned long sfsr, | |
119 | unsigned long sfar); | |
120 | extern void spitfire_insn_access_exception_tl1(struct pt_regs *regs, | |
121 | unsigned long sfsr, | |
122 | unsigned long sfar); | |
123 | extern void spitfire_data_access_exception(struct pt_regs *regs, | |
124 | unsigned long sfsr, | |
125 | unsigned long sfar); | |
126 | extern void spitfire_data_access_exception_tl1(struct pt_regs *regs, | |
127 | unsigned long sfsr, | |
128 | unsigned long sfar); | |
129 | extern void spitfire_access_error(struct pt_regs *regs, | |
130 | unsigned long status_encoded, | |
131 | unsigned long afar); | |
132 | ||
133 | extern void cheetah_fecc_handler(struct pt_regs *regs, | |
134 | unsigned long afsr, | |
135 | unsigned long afar); | |
136 | extern void cheetah_cee_handler(struct pt_regs *regs, | |
137 | unsigned long afsr, | |
138 | unsigned long afar); | |
139 | extern void cheetah_deferred_handler(struct pt_regs *regs, | |
140 | unsigned long afsr, | |
141 | unsigned long afar); | |
142 | extern void cheetah_plus_parity_error(int type, struct pt_regs *regs); | |
143 | ||
144 | extern void sun4v_insn_access_exception(struct pt_regs *regs, | |
145 | unsigned long addr, | |
146 | unsigned long type_ctx); | |
147 | extern void sun4v_insn_access_exception_tl1(struct pt_regs *regs, | |
148 | unsigned long addr, | |
149 | unsigned long type_ctx); | |
150 | extern void sun4v_data_access_exception(struct pt_regs *regs, | |
151 | unsigned long addr, | |
152 | unsigned long type_ctx); | |
153 | extern void sun4v_data_access_exception_tl1(struct pt_regs *regs, | |
154 | unsigned long addr, | |
155 | unsigned long type_ctx); | |
156 | extern void sun4v_resum_error(struct pt_regs *regs, | |
157 | unsigned long offset); | |
158 | extern void sun4v_resum_overflow(struct pt_regs *regs); | |
159 | extern void sun4v_nonresum_error(struct pt_regs *regs, | |
160 | unsigned long offset); | |
161 | extern void sun4v_nonresum_overflow(struct pt_regs *regs); | |
162 | ||
163 | extern unsigned long sun4v_err_itlb_vaddr; | |
164 | extern unsigned long sun4v_err_itlb_ctx; | |
165 | extern unsigned long sun4v_err_itlb_pte; | |
166 | extern unsigned long sun4v_err_itlb_error; | |
167 | ||
168 | extern void sun4v_itlb_error_report(struct pt_regs *regs, int tl); | |
169 | ||
170 | extern unsigned long sun4v_err_dtlb_vaddr; | |
171 | extern unsigned long sun4v_err_dtlb_ctx; | |
172 | extern unsigned long sun4v_err_dtlb_pte; | |
173 | extern unsigned long sun4v_err_dtlb_error; | |
174 | ||
175 | extern void sun4v_dtlb_error_report(struct pt_regs *regs, int tl); | |
176 | extern void hypervisor_tlbop_error(unsigned long err, | |
177 | unsigned long op); | |
178 | extern void hypervisor_tlbop_error_xcall(unsigned long err, | |
179 | unsigned long op); | |
180 | ||
181 | /* WARNING: The error trap handlers in assembly know the precise | |
182 | * layout of the following structure. | |
183 | * | |
184 | * C-level handlers in traps.c use this information to log the | |
185 | * error and then determine how to recover (if possible). | |
186 | */ | |
187 | struct cheetah_err_info { | |
188 | /*0x00*/u64 afsr; | |
189 | /*0x08*/u64 afar; | |
190 | ||
191 | /* D-cache state */ | |
192 | /*0x10*/u64 dcache_data[4]; /* The actual data */ | |
193 | /*0x30*/u64 dcache_index; /* D-cache index */ | |
194 | /*0x38*/u64 dcache_tag; /* D-cache tag/valid */ | |
195 | /*0x40*/u64 dcache_utag; /* D-cache microtag */ | |
196 | /*0x48*/u64 dcache_stag; /* D-cache snooptag */ | |
197 | ||
198 | /* I-cache state */ | |
199 | /*0x50*/u64 icache_data[8]; /* The actual insns + predecode */ | |
200 | /*0x90*/u64 icache_index; /* I-cache index */ | |
201 | /*0x98*/u64 icache_tag; /* I-cache phys tag */ | |
202 | /*0xa0*/u64 icache_utag; /* I-cache microtag */ | |
203 | /*0xa8*/u64 icache_stag; /* I-cache snooptag */ | |
204 | /*0xb0*/u64 icache_upper; /* I-cache upper-tag */ | |
205 | /*0xb8*/u64 icache_lower; /* I-cache lower-tag */ | |
206 | ||
207 | /* E-cache state */ | |
208 | /*0xc0*/u64 ecache_data[4]; /* 32 bytes from staging registers */ | |
209 | /*0xe0*/u64 ecache_index; /* E-cache index */ | |
210 | /*0xe8*/u64 ecache_tag; /* E-cache tag/state */ | |
211 | ||
212 | /*0xf0*/u64 __pad[32 - 30]; | |
213 | }; | |
214 | #define CHAFSR_INVALID ((u64)-1L) | |
215 | ||
216 | /* This is allocated at boot time based upon the largest hardware | |
217 | * cpu ID in the system. We allocate two entries per cpu, one for | |
218 | * TL==0 logging and one for TL >= 1 logging. | |
219 | */ | |
220 | extern struct cheetah_err_info *cheetah_error_log; | |
221 | ||
d91aa123 DM |
222 | /* UPA nodes send interrupt packet to UltraSparc with first data reg |
223 | * value low 5 (7 on Starfire) bits holding the IRQ identifier being | |
224 | * delivered. We must translate this into a non-vector IRQ so we can | |
225 | * set the softint on this cpu. | |
226 | * | |
227 | * To make processing these packets efficient and race free we use | |
228 | * an array of irq buckets below. The interrupt vector handler in | |
229 | * entry.S feeds incoming packets into per-cpu pil-indexed lists. | |
230 | * | |
231 | * If you make changes to ino_bucket, please update hand coded assembler | |
232 | * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S | |
233 | */ | |
234 | struct ino_bucket { | |
235 | /*0x00*/unsigned long __irq_chain_pa; | |
236 | ||
fe41493f SR |
237 | /* Interrupt number assigned to this INO. */ |
238 | /*0x08*/unsigned int __irq; | |
d91aa123 DM |
239 | /*0x0c*/unsigned int __pad; |
240 | }; | |
241 | ||
242 | extern struct ino_bucket *ivector_table; | |
243 | extern unsigned long ivector_table_pa; | |
244 | ||
d91aa123 DM |
245 | extern void init_irqwork_curcpu(void); |
246 | extern void __cpuinit sun4v_register_mondo_queues(int this_cpu); | |
247 | ||
8d74e32a | 248 | #endif /* CONFIG_SPARC32 */ |
3d5ae6b6 | 249 | #endif /* _ENTRY_H */ |