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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[deliverable/linux.git] / arch / sparc / kernel / entry.h
CommitLineData
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 8/* irq */
2e74a74f 9void handler_irq(int irq, struct pt_regs *regs);
81265fd9 10
8d74e32a
SR		 11#ifdef CONFIG_SPARC32
12/* traps */
2e74a74f
SR		 13void do_hw_interrupt(struct pt_regs *regs, unsigned long type);
14void do_illegal_instruction(struct pt_regs *regs, unsigned long pc,
15 unsigned long npc, unsigned long psr);
16
17void do_priv_instruction(struct pt_regs *regs, unsigned long pc,
18 unsigned long npc, unsigned long psr);
19void do_memaccess_unaligned(struct pt_regs *regs, unsigned long pc,
20 unsigned long npc, unsigned long psr);
21void do_fpd_trap(struct pt_regs *regs, unsigned long pc,
22 unsigned long npc, unsigned long psr);
23void do_fpe_trap(struct pt_regs *regs, unsigned long pc,
24 unsigned long npc, unsigned long psr);
25void handle_tag_overflow(struct pt_regs *regs, unsigned long pc,
26 unsigned long npc, unsigned long psr);
27void handle_watchpoint(struct pt_regs *regs, unsigned long pc,
28 unsigned long npc, unsigned long psr);
29void handle_reg_access(struct pt_regs *regs, unsigned long pc,
30 unsigned long npc, unsigned long psr);
31void handle_cp_disabled(struct pt_regs *regs, unsigned long pc,
8d74e32a 32 unsigned long npc, unsigned long psr);
2e74a74f
SR		 33void handle_cp_exception(struct pt_regs *regs, unsigned long pc,
34 unsigned long npc, unsigned long psr);
8d74e32a
SR		 35
36
37
38/* entry.S */
2e74a74f
SR		 39void fpsave(unsigned long *fpregs, unsigned long *fsr,
40 void *fpqueue, unsigned long *fpqdepth);
41void fpload(unsigned long *fpregs, unsigned long *fsr);
8d74e32a
SR		 42
43#else /* CONFIG_SPARC32 */
0b64120c
DM		 44
45#include <asm/trap_block.h>
46
ef7c4d46
DM		 47struct popc_3insn_patch_entry {
48 unsigned int addr;
49 unsigned int insns[3];
50};
51extern struct popc_3insn_patch_entry __popc_3insn_patch,
52 __popc_3insn_patch_end;
53
56d205cc
DM		 54struct popc_6insn_patch_entry {
55 unsigned int addr;
56 unsigned int insns[6];
57};
58extern struct popc_6insn_patch_entry __popc_6insn_patch,
59 __popc_6insn_patch_end;
60
e9b9eb59
DM		 61struct pause_patch_entry {
62 unsigned int addr;
63 unsigned int insns[3];
64};
187818cd
DM		 65extern struct pause_patch_entry __pause_3insn_patch,
66 __pause_3insn_patch_end;
e9b9eb59 67
2e74a74f
SR		 68void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *,
69 struct sun4v_1insn_patch_entry *);
70void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *,
71 struct sun4v_2insn_patch_entry *);
3d5ae6b6
DM		 72extern unsigned int dcache_parity_tl1_occurred;
73extern unsigned int icache_parity_tl1_occurred;
74
2e74a74f
SR		 75asmlinkage void sparc_breakpoint(struct pt_regs *regs);
76void timer_interrupt(int irq, struct pt_regs *regs);
77
78void do_notify_resume(struct pt_regs *regs,
79 unsigned long orig_i0,
80 unsigned long thread_info_flags);
81
82asmlinkage int syscall_trace_enter(struct pt_regs *regs);
83asmlinkage void syscall_trace_leave(struct pt_regs *regs);
84
85void bad_trap_tl1(struct pt_regs *regs, long lvl);
86
87void do_fpieee(struct pt_regs *regs);
88void do_fpother(struct pt_regs *regs);
89void do_tof(struct pt_regs *regs);
90void do_div0(struct pt_regs *regs);
91void do_illegal_instruction(struct pt_regs *regs);
92void mem_address_unaligned(struct pt_regs *regs,
93 unsigned long sfar,
94 unsigned long sfsr);
95void sun4v_do_mna(struct pt_regs *regs,
96 unsigned long addr,
97 unsigned long type_ctx);
98void do_privop(struct pt_regs *regs);
99void do_privact(struct pt_regs *regs);
100void do_cee(struct pt_regs *regs);
101void do_cee_tl1(struct pt_regs *regs);
102void do_dae_tl1(struct pt_regs *regs);
103void do_iae_tl1(struct pt_regs *regs);
104void do_div0_tl1(struct pt_regs *regs);
105void do_fpdis_tl1(struct pt_regs *regs);
106void do_fpieee_tl1(struct pt_regs *regs);
107void do_fpother_tl1(struct pt_regs *regs);
108void do_ill_tl1(struct pt_regs *regs);
109void do_irq_tl1(struct pt_regs *regs);
110void do_lddfmna_tl1(struct pt_regs *regs);
111void do_stdfmna_tl1(struct pt_regs *regs);
112void do_paw(struct pt_regs *regs);
113void do_paw_tl1(struct pt_regs *regs);
114void do_vaw(struct pt_regs *regs);
115void do_vaw_tl1(struct pt_regs *regs);
116void do_tof_tl1(struct pt_regs *regs);
117void do_getpsr(struct pt_regs *regs);
118
119void spitfire_insn_access_exception(struct pt_regs *regs,
120 unsigned long sfsr,
121 unsigned long sfar);
122void spitfire_insn_access_exception_tl1(struct pt_regs *regs,
123 unsigned long sfsr,
124 unsigned long sfar);
125void spitfire_data_access_exception(struct pt_regs *regs,
126 unsigned long sfsr,
127 unsigned long sfar);
128void spitfire_data_access_exception_tl1(struct pt_regs *regs,
129 unsigned long sfsr,
130 unsigned long sfar);
131void spitfire_access_error(struct pt_regs *regs,
132 unsigned long status_encoded,
133 unsigned long afar);
134
135void cheetah_fecc_handler(struct pt_regs *regs,
136 unsigned long afsr,
137 unsigned long afar);
138void cheetah_cee_handler(struct pt_regs *regs,
139 unsigned long afsr,
140 unsigned long afar);
141void cheetah_deferred_handler(struct pt_regs *regs,
142 unsigned long afsr,
143 unsigned long afar);
144void cheetah_plus_parity_error(int type, struct pt_regs *regs);
145
146void sun4v_insn_access_exception(struct pt_regs *regs,
147 unsigned long addr,
148 unsigned long type_ctx);
149void sun4v_insn_access_exception_tl1(struct pt_regs *regs,
150 unsigned long addr,
151 unsigned long type_ctx);
152void sun4v_data_access_exception(struct pt_regs *regs,
153 unsigned long addr,
154 unsigned long type_ctx);
155void sun4v_data_access_exception_tl1(struct pt_regs *regs,
156 unsigned long addr,
157 unsigned long type_ctx);
158void sun4v_resum_error(struct pt_regs *regs,
159 unsigned long offset);
160void sun4v_resum_overflow(struct pt_regs *regs);
161void sun4v_nonresum_error(struct pt_regs *regs,
162 unsigned long offset);
163void sun4v_nonresum_overflow(struct pt_regs *regs);
99cd2201
DM		 164
165extern unsigned long sun4v_err_itlb_vaddr;
166extern unsigned long sun4v_err_itlb_ctx;
167extern unsigned long sun4v_err_itlb_pte;
168extern unsigned long sun4v_err_itlb_error;
169
2e74a74f 170void sun4v_itlb_error_report(struct pt_regs *regs, int tl);
99cd2201
DM		 171
172extern unsigned long sun4v_err_dtlb_vaddr;
173extern unsigned long sun4v_err_dtlb_ctx;
174extern unsigned long sun4v_err_dtlb_pte;
175extern unsigned long sun4v_err_dtlb_error;
176
2e74a74f
SR		 177void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);
178void hypervisor_tlbop_error(unsigned long err,
179 unsigned long op);
180void hypervisor_tlbop_error_xcall(unsigned long err,
181 unsigned long op);
99cd2201
DM		 182
183/* WARNING: The error trap handlers in assembly know the precise
184 * layout of the following structure.
185 *
186 * C-level handlers in traps.c use this information to log the
187 * error and then determine how to recover (if possible).
188 */
189struct cheetah_err_info {
190/*0x00*/u64 afsr;
191/*0x08*/u64 afar;
192
193 /* D-cache state */
194/*0x10*/u64 dcache_data[4]; /* The actual data */
195/*0x30*/u64 dcache_index; /* D-cache index */
196/*0x38*/u64 dcache_tag; /* D-cache tag/valid */
197/*0x40*/u64 dcache_utag; /* D-cache microtag */
198/*0x48*/u64 dcache_stag; /* D-cache snooptag */
199
200 /* I-cache state */
201/*0x50*/u64 icache_data[8]; /* The actual insns + predecode */
202/*0x90*/u64 icache_index; /* I-cache index */
203/*0x98*/u64 icache_tag; /* I-cache phys tag */
204/*0xa0*/u64 icache_utag; /* I-cache microtag */
205/*0xa8*/u64 icache_stag; /* I-cache snooptag */
206/*0xb0*/u64 icache_upper; /* I-cache upper-tag */
207/*0xb8*/u64 icache_lower; /* I-cache lower-tag */
208
209 /* E-cache state */
210/*0xc0*/u64 ecache_data[4]; /* 32 bytes from staging registers */
211/*0xe0*/u64 ecache_index; /* E-cache index */
212/*0xe8*/u64 ecache_tag; /* E-cache tag/state */
213
214/*0xf0*/u64 __pad[32 - 30];
215};
216#define CHAFSR_INVALID ((u64)-1L)
217
218/* This is allocated at boot time based upon the largest hardware
219 * cpu ID in the system. We allocate two entries per cpu, one for
220 * TL==0 logging and one for TL >= 1 logging.
221 */
222extern struct cheetah_err_info *cheetah_error_log;
223
d91aa123
DM		 224/* UPA nodes send interrupt packet to UltraSparc with first data reg
225 * value low 5 (7 on Starfire) bits holding the IRQ identifier being
226 * delivered. We must translate this into a non-vector IRQ so we can
227 * set the softint on this cpu.
228 *
229 * To make processing these packets efficient and race free we use
230 * an array of irq buckets below. The interrupt vector handler in
231 * entry.S feeds incoming packets into per-cpu pil-indexed lists.
232 *
233 * If you make changes to ino_bucket, please update hand coded assembler
234 * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S
235 */
236struct ino_bucket {
237/*0x00*/unsigned long __irq_chain_pa;
238
fe41493f
SR		 239 /* Interrupt number assigned to this INO. */
240/*0x08*/unsigned int __irq;
d91aa123
DM		 241/*0x0c*/unsigned int __pad;
242};
243
244extern struct ino_bucket *ivector_table;
245extern unsigned long ivector_table_pa;
246
2e74a74f
SR		 247void init_irqwork_curcpu(void);
248void sun4v_register_mondo_queues(int this_cpu);
d91aa123 249
8d74e32a 250#endif /* CONFIG_SPARC32 */
3d5ae6b6 251#endif /* _ENTRY_H */
Linux kernel - Deliverables
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