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review.evervolv.com / android_kernel_oneplus_msm8996 / bfdf9ebc396a2373af2f1d117491dc6bbdc9ee75 / . / arch / sparc64 / kernel / entry.h
blob: 0d0de9c32a8020950272fe01aeed55ffde83a3ea [file] [log] [blame]
David S. Miller3d5ae6b2008-03-25 21:51:40 -0700[diff] [blame]1#ifndef _ENTRY_H
2#define _ENTRY_H
3
David S. Millerbfdf9eb2008-03-26 00:46:21 -0700[diff] [blame^]4#include <linux/kernel.h>
David S. Miller99cd2202008-03-26 00:19:43 -0700[diff] [blame]5#include <linux/types.h>
David S. Millerbfdf9eb2008-03-26 00:46:21 -0700[diff] [blame^]6#include <linux/init.h>
David S. Miller3d5ae6b2008-03-25 21:51:40 -0700[diff] [blame]7
8extern char *sparc_cpu_type;
9extern char *sparc_fpu_type;
10
11extern void __init per_cpu_patch(void);
12extern void __init sun4v_patch(void);
13extern void __init boot_cpu_id_too_large(int cpu);
14extern unsigned int dcache_parity_tl1_occurred;
15extern unsigned int icache_parity_tl1_occurred;
16
David S. Millerbfdf9eb2008-03-26 00:46:21 -0700[diff] [blame^]17extern asmlinkage void syscall_trace(struct pt_regs *regs,
18 int syscall_exit_p);
19
David S. Miller99cd2202008-03-26 00:19:43 -0700[diff] [blame]20extern void bad_trap_tl1(struct pt_regs *regs, long lvl);
21
22extern void do_fpe_common(struct pt_regs *regs);
23extern void do_fpieee(struct pt_regs *regs);
24extern void do_fpother(struct pt_regs *regs);
25extern void do_tof(struct pt_regs *regs);
26extern void do_div0(struct pt_regs *regs);
27extern void do_illegal_instruction(struct pt_regs *regs);
28extern void mem_address_unaligned(struct pt_regs *regs,
29 unsigned long sfar,
30 unsigned long sfsr);
31extern void sun4v_do_mna(struct pt_regs *regs,
32 unsigned long addr,
33 unsigned long type_ctx);
34extern void do_privop(struct pt_regs *regs);
35extern void do_privact(struct pt_regs *regs);
36extern void do_cee(struct pt_regs *regs);
37extern void do_cee_tl1(struct pt_regs *regs);
38extern void do_dae_tl1(struct pt_regs *regs);
39extern void do_iae_tl1(struct pt_regs *regs);
40extern void do_div0_tl1(struct pt_regs *regs);
41extern void do_fpdis_tl1(struct pt_regs *regs);
42extern void do_fpieee_tl1(struct pt_regs *regs);
43extern void do_fpother_tl1(struct pt_regs *regs);
44extern void do_ill_tl1(struct pt_regs *regs);
45extern void do_irq_tl1(struct pt_regs *regs);
46extern void do_lddfmna_tl1(struct pt_regs *regs);
47extern void do_stdfmna_tl1(struct pt_regs *regs);
48extern void do_paw(struct pt_regs *regs);
49extern void do_paw_tl1(struct pt_regs *regs);
50extern void do_vaw(struct pt_regs *regs);
51extern void do_vaw_tl1(struct pt_regs *regs);
52extern void do_tof_tl1(struct pt_regs *regs);
53extern void do_getpsr(struct pt_regs *regs);
54
55extern void spitfire_insn_access_exception(struct pt_regs *regs,
56 unsigned long sfsr,
57 unsigned long sfar);
58extern void spitfire_insn_access_exception_tl1(struct pt_regs *regs,
59 unsigned long sfsr,
60 unsigned long sfar);
61extern void spitfire_data_access_exception(struct pt_regs *regs,
62 unsigned long sfsr,
63 unsigned long sfar);
64extern void spitfire_data_access_exception_tl1(struct pt_regs *regs,
65 unsigned long sfsr,
66 unsigned long sfar);
67extern void spitfire_access_error(struct pt_regs *regs,
68 unsigned long status_encoded,
69 unsigned long afar);
70
71extern void cheetah_fecc_handler(struct pt_regs *regs,
72 unsigned long afsr,
73 unsigned long afar);
74extern void cheetah_cee_handler(struct pt_regs *regs,
75 unsigned long afsr,
76 unsigned long afar);
77extern void cheetah_deferred_handler(struct pt_regs *regs,
78 unsigned long afsr,
79 unsigned long afar);
80extern void cheetah_plus_parity_error(int type, struct pt_regs *regs);
81
82extern void sun4v_insn_access_exception(struct pt_regs *regs,
83 unsigned long addr,
84 unsigned long type_ctx);
85extern void sun4v_insn_access_exception_tl1(struct pt_regs *regs,
86 unsigned long addr,
87 unsigned long type_ctx);
88extern void sun4v_data_access_exception(struct pt_regs *regs,
89 unsigned long addr,
90 unsigned long type_ctx);
91extern void sun4v_data_access_exception_tl1(struct pt_regs *regs,
92 unsigned long addr,
93 unsigned long type_ctx);
94extern void sun4v_resum_error(struct pt_regs *regs,
95 unsigned long offset);
96extern void sun4v_resum_overflow(struct pt_regs *regs);
97extern void sun4v_nonresum_error(struct pt_regs *regs,
98 unsigned long offset);
99extern void sun4v_nonresum_overflow(struct pt_regs *regs);
100
101extern unsigned long sun4v_err_itlb_vaddr;
102extern unsigned long sun4v_err_itlb_ctx;
103extern unsigned long sun4v_err_itlb_pte;
104extern unsigned long sun4v_err_itlb_error;
105
106extern void sun4v_itlb_error_report(struct pt_regs *regs, int tl);
107
108extern unsigned long sun4v_err_dtlb_vaddr;
109extern unsigned long sun4v_err_dtlb_ctx;
110extern unsigned long sun4v_err_dtlb_pte;
111extern unsigned long sun4v_err_dtlb_error;
112
113extern void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);
114extern void hypervisor_tlbop_error(unsigned long err,
115 unsigned long op);
116extern void hypervisor_tlbop_error_xcall(unsigned long err,
117 unsigned long op);
118
119/* WARNING: The error trap handlers in assembly know the precise
120 * layout of the following structure.
121 *
122 * C-level handlers in traps.c use this information to log the
123 * error and then determine how to recover (if possible).
124 */
125struct cheetah_err_info {
126/*0x00*/u64 afsr;
127/*0x08*/u64 afar;
128
129 /* D-cache state */
130/*0x10*/u64 dcache_data[4]; /* The actual data */
131/*0x30*/u64 dcache_index; /* D-cache index */
132/*0x38*/u64 dcache_tag; /* D-cache tag/valid */
133/*0x40*/u64 dcache_utag; /* D-cache microtag */
134/*0x48*/u64 dcache_stag; /* D-cache snooptag */
135
136 /* I-cache state */
137/*0x50*/u64 icache_data[8]; /* The actual insns + predecode */
138/*0x90*/u64 icache_index; /* I-cache index */
139/*0x98*/u64 icache_tag; /* I-cache phys tag */
140/*0xa0*/u64 icache_utag; /* I-cache microtag */
141/*0xa8*/u64 icache_stag; /* I-cache snooptag */
142/*0xb0*/u64 icache_upper; /* I-cache upper-tag */
143/*0xb8*/u64 icache_lower; /* I-cache lower-tag */
144
145 /* E-cache state */
146/*0xc0*/u64 ecache_data[4]; /* 32 bytes from staging registers */
147/*0xe0*/u64 ecache_index; /* E-cache index */
148/*0xe8*/u64 ecache_tag; /* E-cache tag/state */
149
150/*0xf0*/u64 __pad[32 - 30];
151};
152#define CHAFSR_INVALID ((u64)-1L)
153
154/* This is allocated at boot time based upon the largest hardware
155 * cpu ID in the system. We allocate two entries per cpu, one for
156 * TL==0 logging and one for TL >= 1 logging.
157 */
158extern struct cheetah_err_info *cheetah_error_log;
159
David S. Millerd91aa122008-03-26 00:37:51 -0700[diff] [blame]160/* UPA nodes send interrupt packet to UltraSparc with first data reg
161 * value low 5 (7 on Starfire) bits holding the IRQ identifier being
162 * delivered. We must translate this into a non-vector IRQ so we can
163 * set the softint on this cpu.
164 *
165 * To make processing these packets efficient and race free we use
166 * an array of irq buckets below. The interrupt vector handler in
167 * entry.S feeds incoming packets into per-cpu pil-indexed lists.
168 *
169 * If you make changes to ino_bucket, please update hand coded assembler
170 * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S
171 */
172struct ino_bucket {
173/*0x00*/unsigned long __irq_chain_pa;
174
175 /* Virtual interrupt number assigned to this INO. */
176/*0x08*/unsigned int __virt_irq;
177/*0x0c*/unsigned int __pad;
178};
179
180extern struct ino_bucket *ivector_table;
181extern unsigned long ivector_table_pa;
182
183extern void handler_irq(int irq, struct pt_regs *regs);
184extern void init_irqwork_curcpu(void);
185extern void __cpuinit sun4v_register_mondo_queues(int this_cpu);
186
David S. Miller3d5ae6b2008-03-25 21:51:40 -0700[diff] [blame]187#endif /* _ENTRY_H */