Gitiles
Code Review Sign In
review.evervolv.com / android_kernel_oneplus_msm8996 / 207ddd0a3a42e6273e3a26447b52e9d6d90d579d / . / arch / sparc64 / kernel / entry.h
blob: 129a2f133d6737fc2fd6142015e2a260cea5cad3 [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. Miller207ddd02008-03-26 01:43:29 -0700[diff] [blame^]17extern asmlinkage void update_perfctrs(void);
18extern asmlinkage void sparc_breakpoint(struct pt_regs *regs);
David S. Millercf3d7c12008-03-26 01:11:55 -0700[diff] [blame]19extern void timer_interrupt(int irq, struct pt_regs *regs);
20
David S. Millerbfdf9eb2008-03-26 00:46:21 -0700[diff] [blame]21extern asmlinkage void syscall_trace(struct pt_regs *regs,
22 int syscall_exit_p);
23
David S. Miller99cd2202008-03-26 00:19:43 -0700[diff] [blame]24extern void bad_trap_tl1(struct pt_regs *regs, long lvl);
25
26extern void do_fpe_common(struct pt_regs *regs);
27extern void do_fpieee(struct pt_regs *regs);
28extern void do_fpother(struct pt_regs *regs);
29extern void do_tof(struct pt_regs *regs);
30extern void do_div0(struct pt_regs *regs);
31extern void do_illegal_instruction(struct pt_regs *regs);
32extern void mem_address_unaligned(struct pt_regs *regs,
33 unsigned long sfar,
34 unsigned long sfsr);
35extern void sun4v_do_mna(struct pt_regs *regs,
36 unsigned long addr,
37 unsigned long type_ctx);
38extern void do_privop(struct pt_regs *regs);
39extern void do_privact(struct pt_regs *regs);
40extern void do_cee(struct pt_regs *regs);
41extern void do_cee_tl1(struct pt_regs *regs);
42extern void do_dae_tl1(struct pt_regs *regs);
43extern void do_iae_tl1(struct pt_regs *regs);
44extern void do_div0_tl1(struct pt_regs *regs);
45extern void do_fpdis_tl1(struct pt_regs *regs);
46extern void do_fpieee_tl1(struct pt_regs *regs);
47extern void do_fpother_tl1(struct pt_regs *regs);
48extern void do_ill_tl1(struct pt_regs *regs);
49extern void do_irq_tl1(struct pt_regs *regs);
50extern void do_lddfmna_tl1(struct pt_regs *regs);
51extern void do_stdfmna_tl1(struct pt_regs *regs);
52extern void do_paw(struct pt_regs *regs);
53extern void do_paw_tl1(struct pt_regs *regs);
54extern void do_vaw(struct pt_regs *regs);
55extern void do_vaw_tl1(struct pt_regs *regs);
56extern void do_tof_tl1(struct pt_regs *regs);
57extern void do_getpsr(struct pt_regs *regs);
58
59extern void spitfire_insn_access_exception(struct pt_regs *regs,
60 unsigned long sfsr,
61 unsigned long sfar);
62extern void spitfire_insn_access_exception_tl1(struct pt_regs *regs,
63 unsigned long sfsr,
64 unsigned long sfar);
65extern void spitfire_data_access_exception(struct pt_regs *regs,
66 unsigned long sfsr,
67 unsigned long sfar);
68extern void spitfire_data_access_exception_tl1(struct pt_regs *regs,
69 unsigned long sfsr,
70 unsigned long sfar);
71extern void spitfire_access_error(struct pt_regs *regs,
72 unsigned long status_encoded,
73 unsigned long afar);
74
75extern void cheetah_fecc_handler(struct pt_regs *regs,
76 unsigned long afsr,
77 unsigned long afar);
78extern void cheetah_cee_handler(struct pt_regs *regs,
79 unsigned long afsr,
80 unsigned long afar);
81extern void cheetah_deferred_handler(struct pt_regs *regs,
82 unsigned long afsr,
83 unsigned long afar);
84extern void cheetah_plus_parity_error(int type, struct pt_regs *regs);
85
86extern void sun4v_insn_access_exception(struct pt_regs *regs,
87 unsigned long addr,
88 unsigned long type_ctx);
89extern void sun4v_insn_access_exception_tl1(struct pt_regs *regs,
90 unsigned long addr,
91 unsigned long type_ctx);
92extern void sun4v_data_access_exception(struct pt_regs *regs,
93 unsigned long addr,
94 unsigned long type_ctx);
95extern void sun4v_data_access_exception_tl1(struct pt_regs *regs,
96 unsigned long addr,
97 unsigned long type_ctx);
98extern void sun4v_resum_error(struct pt_regs *regs,
99 unsigned long offset);
100extern void sun4v_resum_overflow(struct pt_regs *regs);
101extern void sun4v_nonresum_error(struct pt_regs *regs,
102 unsigned long offset);
103extern void sun4v_nonresum_overflow(struct pt_regs *regs);
104
105extern unsigned long sun4v_err_itlb_vaddr;
106extern unsigned long sun4v_err_itlb_ctx;
107extern unsigned long sun4v_err_itlb_pte;
108extern unsigned long sun4v_err_itlb_error;
109
110extern void sun4v_itlb_error_report(struct pt_regs *regs, int tl);
111
112extern unsigned long sun4v_err_dtlb_vaddr;
113extern unsigned long sun4v_err_dtlb_ctx;
114extern unsigned long sun4v_err_dtlb_pte;
115extern unsigned long sun4v_err_dtlb_error;
116
117extern void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);
118extern void hypervisor_tlbop_error(unsigned long err,
119 unsigned long op);
120extern void hypervisor_tlbop_error_xcall(unsigned long err,
121 unsigned long op);
122
123/* WARNING: The error trap handlers in assembly know the precise
124 * layout of the following structure.
125 *
126 * C-level handlers in traps.c use this information to log the
127 * error and then determine how to recover (if possible).
128 */
129struct cheetah_err_info {
130/*0x00*/u64 afsr;
131/*0x08*/u64 afar;
132
133 /* D-cache state */
134/*0x10*/u64 dcache_data[4]; /* The actual data */
135/*0x30*/u64 dcache_index; /* D-cache index */
136/*0x38*/u64 dcache_tag; /* D-cache tag/valid */
137/*0x40*/u64 dcache_utag; /* D-cache microtag */
138/*0x48*/u64 dcache_stag; /* D-cache snooptag */
139
140 /* I-cache state */
141/*0x50*/u64 icache_data[8]; /* The actual insns + predecode */
142/*0x90*/u64 icache_index; /* I-cache index */
143/*0x98*/u64 icache_tag; /* I-cache phys tag */
144/*0xa0*/u64 icache_utag; /* I-cache microtag */
145/*0xa8*/u64 icache_stag; /* I-cache snooptag */
146/*0xb0*/u64 icache_upper; /* I-cache upper-tag */
147/*0xb8*/u64 icache_lower; /* I-cache lower-tag */
148
149 /* E-cache state */
150/*0xc0*/u64 ecache_data[4]; /* 32 bytes from staging registers */
151/*0xe0*/u64 ecache_index; /* E-cache index */
152/*0xe8*/u64 ecache_tag; /* E-cache tag/state */
153
154/*0xf0*/u64 __pad[32 - 30];
155};
156#define CHAFSR_INVALID ((u64)-1L)
157
158/* This is allocated at boot time based upon the largest hardware
159 * cpu ID in the system. We allocate two entries per cpu, one for
160 * TL==0 logging and one for TL >= 1 logging.
161 */
162extern struct cheetah_err_info *cheetah_error_log;
163
David S. Millerd91aa122008-03-26 00:37:51 -0700[diff] [blame]164/* UPA nodes send interrupt packet to UltraSparc with first data reg
165 * value low 5 (7 on Starfire) bits holding the IRQ identifier being
166 * delivered. We must translate this into a non-vector IRQ so we can
167 * set the softint on this cpu.
168 *
169 * To make processing these packets efficient and race free we use
170 * an array of irq buckets below. The interrupt vector handler in
171 * entry.S feeds incoming packets into per-cpu pil-indexed lists.
172 *
173 * If you make changes to ino_bucket, please update hand coded assembler
174 * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S
175 */
176struct ino_bucket {
177/*0x00*/unsigned long __irq_chain_pa;
178
179 /* Virtual interrupt number assigned to this INO. */
180/*0x08*/unsigned int __virt_irq;
181/*0x0c*/unsigned int __pad;
182};
183
184extern struct ino_bucket *ivector_table;
185extern unsigned long ivector_table_pa;
186
187extern void handler_irq(int irq, struct pt_regs *regs);
188extern void init_irqwork_curcpu(void);
189extern void __cpuinit sun4v_register_mondo_queues(int this_cpu);
190
David S. Miller3d5ae6b2008-03-25 21:51:40 -0700[diff] [blame]191#endif /* _ENTRY_H */