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