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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 __init per_cpu_patch(void);
69void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *,
70 struct sun4v_1insn_patch_entry *);
71void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *,
72 struct sun4v_2insn_patch_entry *);
73void __init sun4v_patch(void);
74void __init boot_cpu_id_too_large(int cpu);
3d5ae6b6
DM		 75extern unsigned int dcache_parity_tl1_occurred;
76extern unsigned int icache_parity_tl1_occurred;
77
2e74a74f
SR		 78asmlinkage void sparc_breakpoint(struct pt_regs *regs);
79void timer_interrupt(int irq, struct pt_regs *regs);
80
81void do_notify_resume(struct pt_regs *regs,
82 unsigned long orig_i0,
83 unsigned long thread_info_flags);
84
85asmlinkage int syscall_trace_enter(struct pt_regs *regs);
86asmlinkage void syscall_trace_leave(struct pt_regs *regs);
87
88void bad_trap_tl1(struct pt_regs *regs, long lvl);
89
90void do_fpieee(struct pt_regs *regs);
91void do_fpother(struct pt_regs *regs);
92void do_tof(struct pt_regs *regs);
93void do_div0(struct pt_regs *regs);
94void do_illegal_instruction(struct pt_regs *regs);
95void mem_address_unaligned(struct pt_regs *regs,
96 unsigned long sfar,
97 unsigned long sfsr);
98void sun4v_do_mna(struct pt_regs *regs,
99 unsigned long addr,
100 unsigned long type_ctx);
101void do_privop(struct pt_regs *regs);
102void do_privact(struct pt_regs *regs);
103void do_cee(struct pt_regs *regs);
104void do_cee_tl1(struct pt_regs *regs);
105void do_dae_tl1(struct pt_regs *regs);
106void do_iae_tl1(struct pt_regs *regs);
107void do_div0_tl1(struct pt_regs *regs);
108void do_fpdis_tl1(struct pt_regs *regs);
109void do_fpieee_tl1(struct pt_regs *regs);
110void do_fpother_tl1(struct pt_regs *regs);
111void do_ill_tl1(struct pt_regs *regs);
112void do_irq_tl1(struct pt_regs *regs);
113void do_lddfmna_tl1(struct pt_regs *regs);
114void do_stdfmna_tl1(struct pt_regs *regs);
115void do_paw(struct pt_regs *regs);
116void do_paw_tl1(struct pt_regs *regs);
117void do_vaw(struct pt_regs *regs);
118void do_vaw_tl1(struct pt_regs *regs);
119void do_tof_tl1(struct pt_regs *regs);
120void do_getpsr(struct pt_regs *regs);
121
122void spitfire_insn_access_exception(struct pt_regs *regs,
123 unsigned long sfsr,
124 unsigned long sfar);
125void spitfire_insn_access_exception_tl1(struct pt_regs *regs,
126 unsigned long sfsr,
127 unsigned long sfar);
128void spitfire_data_access_exception(struct pt_regs *regs,
129 unsigned long sfsr,
130 unsigned long sfar);
131void spitfire_data_access_exception_tl1(struct pt_regs *regs,
132 unsigned long sfsr,
133 unsigned long sfar);
134void spitfire_access_error(struct pt_regs *regs,
135 unsigned long status_encoded,
136 unsigned long afar);
137
138void cheetah_fecc_handler(struct pt_regs *regs,
139 unsigned long afsr,
140 unsigned long afar);
141void cheetah_cee_handler(struct pt_regs *regs,
142 unsigned long afsr,
143 unsigned long afar);
144void cheetah_deferred_handler(struct pt_regs *regs,
145 unsigned long afsr,
146 unsigned long afar);
147void cheetah_plus_parity_error(int type, struct pt_regs *regs);
148
149void sun4v_insn_access_exception(struct pt_regs *regs,
150 unsigned long addr,
151 unsigned long type_ctx);
152void sun4v_insn_access_exception_tl1(struct pt_regs *regs,
153 unsigned long addr,
154 unsigned long type_ctx);
155void sun4v_data_access_exception(struct pt_regs *regs,
156 unsigned long addr,
157 unsigned long type_ctx);
158void sun4v_data_access_exception_tl1(struct pt_regs *regs,
159 unsigned long addr,
160 unsigned long type_ctx);
161void sun4v_resum_error(struct pt_regs *regs,
162 unsigned long offset);
163void sun4v_resum_overflow(struct pt_regs *regs);
164void sun4v_nonresum_error(struct pt_regs *regs,
165 unsigned long offset);
166void sun4v_nonresum_overflow(struct pt_regs *regs);
99cd2201
DM		 167
168extern unsigned long sun4v_err_itlb_vaddr;
169extern unsigned long sun4v_err_itlb_ctx;
170extern unsigned long sun4v_err_itlb_pte;
171extern unsigned long sun4v_err_itlb_error;
172
2e74a74f 173void sun4v_itlb_error_report(struct pt_regs *regs, int tl);
99cd2201
DM		 174
175extern unsigned long sun4v_err_dtlb_vaddr;
176extern unsigned long sun4v_err_dtlb_ctx;
177extern unsigned long sun4v_err_dtlb_pte;
178extern unsigned long sun4v_err_dtlb_error;
179
2e74a74f
SR		 180void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);
181void hypervisor_tlbop_error(unsigned long err,
182 unsigned long op);
183void hypervisor_tlbop_error_xcall(unsigned long err,
184 unsigned long op);
99cd2201
DM		 185
186/* WARNING: The error trap handlers in assembly know the precise
187 * layout of the following structure.
188 *
189 * C-level handlers in traps.c use this information to log the
190 * error and then determine how to recover (if possible).
191 */
192struct cheetah_err_info {
193/*0x00*/u64 afsr;
194/*0x08*/u64 afar;
195
196 /* D-cache state */
197/*0x10*/u64 dcache_data[4]; /* The actual data */
198/*0x30*/u64 dcache_index; /* D-cache index */
199/*0x38*/u64 dcache_tag; /* D-cache tag/valid */
200/*0x40*/u64 dcache_utag; /* D-cache microtag */
201/*0x48*/u64 dcache_stag; /* D-cache snooptag */
202
203 /* I-cache state */
204/*0x50*/u64 icache_data[8]; /* The actual insns + predecode */
205/*0x90*/u64 icache_index; /* I-cache index */
206/*0x98*/u64 icache_tag; /* I-cache phys tag */
207/*0xa0*/u64 icache_utag; /* I-cache microtag */
208/*0xa8*/u64 icache_stag; /* I-cache snooptag */
209/*0xb0*/u64 icache_upper; /* I-cache upper-tag */
210/*0xb8*/u64 icache_lower; /* I-cache lower-tag */
211
212 /* E-cache state */
213/*0xc0*/u64 ecache_data[4]; /* 32 bytes from staging registers */
214/*0xe0*/u64 ecache_index; /* E-cache index */
215/*0xe8*/u64 ecache_tag; /* E-cache tag/state */
216
217/*0xf0*/u64 __pad[32 - 30];
218};
219#define CHAFSR_INVALID ((u64)-1L)
220
221/* This is allocated at boot time based upon the largest hardware
222 * cpu ID in the system. We allocate two entries per cpu, one for
223 * TL==0 logging and one for TL >= 1 logging.
224 */
225extern struct cheetah_err_info *cheetah_error_log;
226
d91aa123
DM		 227/* UPA nodes send interrupt packet to UltraSparc with first data reg
228 * value low 5 (7 on Starfire) bits holding the IRQ identifier being
229 * delivered. We must translate this into a non-vector IRQ so we can
230 * set the softint on this cpu.
231 *
232 * To make processing these packets efficient and race free we use
233 * an array of irq buckets below. The interrupt vector handler in
234 * entry.S feeds incoming packets into per-cpu pil-indexed lists.
235 *
236 * If you make changes to ino_bucket, please update hand coded assembler
237 * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S
238 */
239struct ino_bucket {
240/*0x00*/unsigned long __irq_chain_pa;
241
fe41493f
SR		 242 /* Interrupt number assigned to this INO. */
243/*0x08*/unsigned int __irq;
d91aa123
DM		 244/*0x0c*/unsigned int __pad;
245};
246
247extern struct ino_bucket *ivector_table;
248extern unsigned long ivector_table_pa;
249
2e74a74f
SR		 250void init_irqwork_curcpu(void);
251void sun4v_register_mondo_queues(int this_cpu);
d91aa123 252
8d74e32a 253#endif /* CONFIG_SPARC32 */
3d5ae6b6 254#endif /* _ENTRY_H */
Linux kernel - Deliverables
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