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-rw-r--r--arch/sparc/kernel/entry.h195
1 files changed, 195 insertions, 0 deletions
diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h
new file mode 100644
index 000000000000..34d7ab5e10d2
--- /dev/null
+++ b/arch/sparc/kernel/entry.h
@@ -0,0 +1,195 @@
1#ifndef _ENTRY_H
2#define _ENTRY_H
3
4#include <linux/kernel.h>
5#include <linux/types.h>
6#include <linux/init.h>
7
8extern const char *sparc_cpu_type;
9extern const 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
17extern asmlinkage void update_perfctrs(void);
18extern asmlinkage void sparc_breakpoint(struct pt_regs *regs);
19extern void timer_interrupt(int irq, struct pt_regs *regs);
20
21extern void do_notify_resume(struct pt_regs *regs,
22 unsigned long orig_i0,
23 unsigned long thread_info_flags);
24
25extern asmlinkage int syscall_trace_enter(struct pt_regs *regs);
26extern asmlinkage void syscall_trace_leave(struct pt_regs *regs);
27
28extern void bad_trap_tl1(struct pt_regs *regs, long lvl);
29
30extern void do_fpe_common(struct pt_regs *regs);
31extern void do_fpieee(struct pt_regs *regs);
32extern void do_fpother(struct pt_regs *regs);
33extern void do_tof(struct pt_regs *regs);
34extern void do_div0(struct pt_regs *regs);
35extern void do_illegal_instruction(struct pt_regs *regs);
36extern void mem_address_unaligned(struct pt_regs *regs,
37 unsigned long sfar,
38 unsigned long sfsr);
39extern void sun4v_do_mna(struct pt_regs *regs,
40 unsigned long addr,
41 unsigned long type_ctx);
42extern void do_privop(struct pt_regs *regs);
43extern void do_privact(struct pt_regs *regs);
44extern void do_cee(struct pt_regs *regs);
45extern void do_cee_tl1(struct pt_regs *regs);
46extern void do_dae_tl1(struct pt_regs *regs);
47extern void do_iae_tl1(struct pt_regs *regs);
48extern void do_div0_tl1(struct pt_regs *regs);
49extern void do_fpdis_tl1(struct pt_regs *regs);
50extern void do_fpieee_tl1(struct pt_regs *regs);
51extern void do_fpother_tl1(struct pt_regs *regs);
52extern void do_ill_tl1(struct pt_regs *regs);
53extern void do_irq_tl1(struct pt_regs *regs);
54extern void do_lddfmna_tl1(struct pt_regs *regs);
55extern void do_stdfmna_tl1(struct pt_regs *regs);
56extern void do_paw(struct pt_regs *regs);
57extern void do_paw_tl1(struct pt_regs *regs);
58extern void do_vaw(struct pt_regs *regs);
59extern void do_vaw_tl1(struct pt_regs *regs);
60extern void do_tof_tl1(struct pt_regs *regs);
61extern void do_getpsr(struct pt_regs *regs);
62
63extern void spitfire_insn_access_exception(struct pt_regs *regs,
64 unsigned long sfsr,
65 unsigned long sfar);
66extern void spitfire_insn_access_exception_tl1(struct pt_regs *regs,
67 unsigned long sfsr,
68 unsigned long sfar);
69extern void spitfire_data_access_exception(struct pt_regs *regs,
70 unsigned long sfsr,
71 unsigned long sfar);
72extern void spitfire_data_access_exception_tl1(struct pt_regs *regs,
73 unsigned long sfsr,
74 unsigned long sfar);
75extern void spitfire_access_error(struct pt_regs *regs,
76 unsigned long status_encoded,
77 unsigned long afar);
78
79extern void cheetah_fecc_handler(struct pt_regs *regs,
80 unsigned long afsr,
81 unsigned long afar);
82extern void cheetah_cee_handler(struct pt_regs *regs,
83 unsigned long afsr,
84 unsigned long afar);
85extern void cheetah_deferred_handler(struct pt_regs *regs,
86 unsigned long afsr,
87 unsigned long afar);
88extern void cheetah_plus_parity_error(int type, struct pt_regs *regs);
89
90extern void sun4v_insn_access_exception(struct pt_regs *regs,
91 unsigned long addr,
92 unsigned long type_ctx);
93extern void sun4v_insn_access_exception_tl1(struct pt_regs *regs,
94 unsigned long addr,
95 unsigned long type_ctx);
96extern void sun4v_data_access_exception(struct pt_regs *regs,
97 unsigned long addr,
98 unsigned long type_ctx);
99extern void sun4v_data_access_exception_tl1(struct pt_regs *regs,
100 unsigned long addr,
101 unsigned long type_ctx);
102extern void sun4v_resum_error(struct pt_regs *regs,
103 unsigned long offset);
104extern void sun4v_resum_overflow(struct pt_regs *regs);
105extern void sun4v_nonresum_error(struct pt_regs *regs,
106 unsigned long offset);
107extern void sun4v_nonresum_overflow(struct pt_regs *regs);
108
109extern unsigned long sun4v_err_itlb_vaddr;
110extern unsigned long sun4v_err_itlb_ctx;
111extern unsigned long sun4v_err_itlb_pte;
112extern unsigned long sun4v_err_itlb_error;
113
114extern void sun4v_itlb_error_report(struct pt_regs *regs, int tl);
115
116extern unsigned long sun4v_err_dtlb_vaddr;
117extern unsigned long sun4v_err_dtlb_ctx;
118extern unsigned long sun4v_err_dtlb_pte;
119extern unsigned long sun4v_err_dtlb_error;
120
121extern void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);
122extern void hypervisor_tlbop_error(unsigned long err,
123 unsigned long op);
124extern void hypervisor_tlbop_error_xcall(unsigned long err,
125 unsigned long op);
126
127/* WARNING: The error trap handlers in assembly know the precise
128 * layout of the following structure.
129 *
130 * C-level handlers in traps.c use this information to log the
131 * error and then determine how to recover (if possible).
132 */
133struct cheetah_err_info {
134/*0x00*/u64 afsr;
135/*0x08*/u64 afar;
136
137 /* D-cache state */
138/*0x10*/u64 dcache_data[4]; /* The actual data */
139/*0x30*/u64 dcache_index; /* D-cache index */
140/*0x38*/u64 dcache_tag; /* D-cache tag/valid */
141/*0x40*/u64 dcache_utag; /* D-cache microtag */
142/*0x48*/u64 dcache_stag; /* D-cache snooptag */
143
144 /* I-cache state */
145/*0x50*/u64 icache_data[8]; /* The actual insns + predecode */
146/*0x90*/u64 icache_index; /* I-cache index */
147/*0x98*/u64 icache_tag; /* I-cache phys tag */
148/*0xa0*/u64 icache_utag; /* I-cache microtag */
149/*0xa8*/u64 icache_stag; /* I-cache snooptag */
150/*0xb0*/u64 icache_upper; /* I-cache upper-tag */
151/*0xb8*/u64 icache_lower; /* I-cache lower-tag */
152
153 /* E-cache state */
154/*0xc0*/u64 ecache_data[4]; /* 32 bytes from staging registers */
155/*0xe0*/u64 ecache_index; /* E-cache index */
156/*0xe8*/u64 ecache_tag; /* E-cache tag/state */
157
158/*0xf0*/u64 __pad[32 - 30];
159};
160#define CHAFSR_INVALID ((u64)-1L)
161
162/* This is allocated at boot time based upon the largest hardware
163 * cpu ID in the system. We allocate two entries per cpu, one for
164 * TL==0 logging and one for TL >= 1 logging.
165 */
166extern struct cheetah_err_info *cheetah_error_log;
167
168/* UPA nodes send interrupt packet to UltraSparc with first data reg
169 * value low 5 (7 on Starfire) bits holding the IRQ identifier being
170 * delivered. We must translate this into a non-vector IRQ so we can
171 * set the softint on this cpu.
172 *
173 * To make processing these packets efficient and race free we use
174 * an array of irq buckets below. The interrupt vector handler in
175 * entry.S feeds incoming packets into per-cpu pil-indexed lists.
176 *
177 * If you make changes to ino_bucket, please update hand coded assembler
178 * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S
179 */
180struct ino_bucket {
181/*0x00*/unsigned long __irq_chain_pa;
182
183 /* Virtual interrupt number assigned to this INO. */
184/*0x08*/unsigned int __virt_irq;
185/*0x0c*/unsigned int __pad;
186};
187
188extern struct ino_bucket *ivector_table;
189extern unsigned long ivector_table_pa;
190
191extern void handler_irq(int irq, struct pt_regs *regs);
192extern void init_irqwork_curcpu(void);
193extern void __cpuinit sun4v_register_mondo_queues(int this_cpu);
194
195#endif /* _ENTRY_H */
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