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review.evervolv.com / android_kernel_oneplus_msm8996 / cf3d7c1ef418863376d556c48c214cb828623584 / . / arch / sparc64 / kernel / entry.h
blob: 4e238a11bdfe1afd711c9901741b95c41fc8ce34 [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. Millercf3d7c12008-03-26 01:11:55 -0700[diff] [blame^]17extern void timer_interrupt(int irq, struct pt_regs *regs);
18
David S. Millerbfdf9eb2008-03-26 00:46:21 -0700[diff] [blame]19extern asmlinkage void syscall_trace(struct pt_regs *regs,
20 int syscall_exit_p);
21
David S. Miller99cd2202008-03-26 00:19:43 -0700[diff] [blame]22extern void bad_trap_tl1(struct pt_regs *regs, long lvl);
23
24extern void do_fpe_common(struct pt_regs *regs);
25extern void do_fpieee(struct pt_regs *regs);
26extern void do_fpother(struct pt_regs *regs);
27extern void do_tof(struct pt_regs *regs);
28extern void do_div0(struct pt_regs *regs);
29extern void do_illegal_instruction(struct pt_regs *regs);
30extern void mem_address_unaligned(struct pt_regs *regs,
31 unsigned long sfar,
32 unsigned long sfsr);
33extern void sun4v_do_mna(struct pt_regs *regs,
34 unsigned long addr,
35 unsigned long type_ctx);
36extern void do_privop(struct pt_regs *regs);
37extern void do_privact(struct pt_regs *regs);
38extern void do_cee(struct pt_regs *regs);
39extern void do_cee_tl1(struct pt_regs *regs);
40extern void do_dae_tl1(struct pt_regs *regs);
41extern void do_iae_tl1(struct pt_regs *regs);
42extern void do_div0_tl1(struct pt_regs *regs);
43extern void do_fpdis_tl1(struct pt_regs *regs);
44extern void do_fpieee_tl1(struct pt_regs *regs);
45extern void do_fpother_tl1(struct pt_regs *regs);
46extern void do_ill_tl1(struct pt_regs *regs);
47extern void do_irq_tl1(struct pt_regs *regs);
48extern void do_lddfmna_tl1(struct pt_regs *regs);
49extern void do_stdfmna_tl1(struct pt_regs *regs);
50extern void do_paw(struct pt_regs *regs);
51extern void do_paw_tl1(struct pt_regs *regs);
52extern void do_vaw(struct pt_regs *regs);
53extern void do_vaw_tl1(struct pt_regs *regs);
54extern void do_tof_tl1(struct pt_regs *regs);
55extern void do_getpsr(struct pt_regs *regs);
56
57extern void spitfire_insn_access_exception(struct pt_regs *regs,
58 unsigned long sfsr,
59 unsigned long sfar);
60extern void spitfire_insn_access_exception_tl1(struct pt_regs *regs,
61 unsigned long sfsr,
62 unsigned long sfar);
63extern void spitfire_data_access_exception(struct pt_regs *regs,
64 unsigned long sfsr,
65 unsigned long sfar);
66extern void spitfire_data_access_exception_tl1(struct pt_regs *regs,
67 unsigned long sfsr,
68 unsigned long sfar);
69extern void spitfire_access_error(struct pt_regs *regs,
70 unsigned long status_encoded,
71 unsigned long afar);
72
73extern void cheetah_fecc_handler(struct pt_regs *regs,
74 unsigned long afsr,
75 unsigned long afar);
76extern void cheetah_cee_handler(struct pt_regs *regs,
77 unsigned long afsr,
78 unsigned long afar);
79extern void cheetah_deferred_handler(struct pt_regs *regs,
80 unsigned long afsr,
81 unsigned long afar);
82extern void cheetah_plus_parity_error(int type, struct pt_regs *regs);
83
84extern void sun4v_insn_access_exception(struct pt_regs *regs,
85 unsigned long addr,
86 unsigned long type_ctx);
87extern void sun4v_insn_access_exception_tl1(struct pt_regs *regs,
88 unsigned long addr,
89 unsigned long type_ctx);
90extern void sun4v_data_access_exception(struct pt_regs *regs,
91 unsigned long addr,
92 unsigned long type_ctx);
93extern void sun4v_data_access_exception_tl1(struct pt_regs *regs,
94 unsigned long addr,
95 unsigned long type_ctx);
96extern void sun4v_resum_error(struct pt_regs *regs,
97 unsigned long offset);
98extern void sun4v_resum_overflow(struct pt_regs *regs);
99extern void sun4v_nonresum_error(struct pt_regs *regs,
100 unsigned long offset);
101extern void sun4v_nonresum_overflow(struct pt_regs *regs);
102
103extern unsigned long sun4v_err_itlb_vaddr;
104extern unsigned long sun4v_err_itlb_ctx;
105extern unsigned long sun4v_err_itlb_pte;
106extern unsigned long sun4v_err_itlb_error;
107
108extern void sun4v_itlb_error_report(struct pt_regs *regs, int tl);
109
110extern unsigned long sun4v_err_dtlb_vaddr;
111extern unsigned long sun4v_err_dtlb_ctx;
112extern unsigned long sun4v_err_dtlb_pte;
113extern unsigned long sun4v_err_dtlb_error;
114
115extern void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);
116extern void hypervisor_tlbop_error(unsigned long err,
117 unsigned long op);
118extern void hypervisor_tlbop_error_xcall(unsigned long err,
119 unsigned long op);
120
121/* WARNING: The error trap handlers in assembly know the precise
122 * layout of the following structure.
123 *
124 * C-level handlers in traps.c use this information to log the
125 * error and then determine how to recover (if possible).
126 */
127struct cheetah_err_info {
128/*0x00*/u64 afsr;
129/*0x08*/u64 afar;
130
131 /* D-cache state */
132/*0x10*/u64 dcache_data[4]; /* The actual data */
133/*0x30*/u64 dcache_index; /* D-cache index */
134/*0x38*/u64 dcache_tag; /* D-cache tag/valid */
135/*0x40*/u64 dcache_utag; /* D-cache microtag */
136/*0x48*/u64 dcache_stag; /* D-cache snooptag */
137
138 /* I-cache state */
139/*0x50*/u64 icache_data[8]; /* The actual insns + predecode */
140/*0x90*/u64 icache_index; /* I-cache index */
141/*0x98*/u64 icache_tag; /* I-cache phys tag */
142/*0xa0*/u64 icache_utag; /* I-cache microtag */
143/*0xa8*/u64 icache_stag; /* I-cache snooptag */
144/*0xb0*/u64 icache_upper; /* I-cache upper-tag */
145/*0xb8*/u64 icache_lower; /* I-cache lower-tag */
146
147 /* E-cache state */
148/*0xc0*/u64 ecache_data[4]; /* 32 bytes from staging registers */
149/*0xe0*/u64 ecache_index; /* E-cache index */
150/*0xe8*/u64 ecache_tag; /* E-cache tag/state */
151
152/*0xf0*/u64 __pad[32 - 30];
153};
154#define CHAFSR_INVALID ((u64)-1L)
155
156/* This is allocated at boot time based upon the largest hardware
157 * cpu ID in the system. We allocate two entries per cpu, one for
158 * TL==0 logging and one for TL >= 1 logging.
159 */
160extern struct cheetah_err_info *cheetah_error_log;
161
David S. Millerd91aa122008-03-26 00:37:51 -0700[diff] [blame]162/* UPA nodes send interrupt packet to UltraSparc with first data reg
163 * value low 5 (7 on Starfire) bits holding the IRQ identifier being
164 * delivered. We must translate this into a non-vector IRQ so we can
165 * set the softint on this cpu.
166 *
167 * To make processing these packets efficient and race free we use
168 * an array of irq buckets below. The interrupt vector handler in
169 * entry.S feeds incoming packets into per-cpu pil-indexed lists.
170 *
171 * If you make changes to ino_bucket, please update hand coded assembler
172 * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S
173 */
174struct ino_bucket {
175/*0x00*/unsigned long __irq_chain_pa;
176
177 /* Virtual interrupt number assigned to this INO. */
178/*0x08*/unsigned int __virt_irq;
179/*0x0c*/unsigned int __pad;
180};
181
182extern struct ino_bucket *ivector_table;
183extern unsigned long ivector_table_pa;
184
185extern void handler_irq(int irq, struct pt_regs *regs);
186extern void init_irqwork_curcpu(void);
187extern void __cpuinit sun4v_register_mondo_queues(int this_cpu);
188
David S. Miller3d5ae6b2008-03-25 21:51:40 -0700[diff] [blame]189#endif /* _ENTRY_H */