1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
/* $NetBSD: alpha.h,v 1.47 2021/07/23 03:50:32 thorpej Exp $ */
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1982, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Utah $Hdr: cpu.h 1.16 91/03/25$
*
* @(#)cpu.h 8.4 (Berkeley) 1/5/94
*/
#ifndef _ALPHA_H_
#define _ALPHA_H_
typedef union alpha_f_float {
uint32_t i;
uint32_t frac_hi: 7,
exp: 8,
sign: 1,
frac_lo: 16;
} f_float;
typedef union alpha_s_float {
uint32_t i;
uint32_t frac: 23,
exp: 8,
sign: 1;
} s_float;
typedef union alpha_t_float {
uint64_t i;
uint64_t frac: 52,
exp: 11,
sign: 1;
} t_float;
#ifdef _KERNEL
#include <sys/bus.h>
#include <sys/pcu.h>
struct pcb;
struct lwp;
struct reg;
struct rpb;
struct trapframe;
extern bool alpha_is_qemu;
extern int alpha_use_cctr;
extern u_long cpu_implver; /* from IMPLVER instruction */
extern u_long cpu_amask; /* from AMASK instruction */
extern int bootdev_debug;
extern int alpha_fp_sync_complete;
extern int alpha_fp_complete_debug;
extern int alpha_unaligned_print, alpha_unaligned_fix, alpha_unaligned_sigbus;
extern void (*alpha_delay_fn)(unsigned long);
void XentArith(uint64_t, uint64_t, uint64_t); /* MAGIC */
void XentIF(uint64_t, uint64_t, uint64_t); /* MAGIC */
void XentInt(uint64_t, uint64_t, uint64_t); /* MAGIC */
void XentMM(uint64_t, uint64_t, uint64_t); /* MAGIC */
void XentRestart(void); /* MAGIC */
void XentSys(uint64_t, uint64_t, uint64_t); /* MAGIC */
void XentUna(uint64_t, uint64_t, uint64_t); /* MAGIC */
void alpha_init(u_long, u_long, u_long, u_long, u_long);
void alpha_page_physload_sheltered(u_long, u_long, u_long, u_long);
void ast(struct trapframe *);
int badaddr(void *, size_t);
int badaddr_read(void *, size_t, void *);
uint64_t console_restart(struct trapframe *);
void do_sir(void);
void exception_return(void); /* MAGIC */
void alpha_kthread_backstop(void); /* MAGIC */
void frametoreg(const struct trapframe *, struct reg *);
void init_bootstrap_console(void);
void init_prom_interface(unsigned long, struct rpb *);
void interrupt(unsigned long, unsigned long, unsigned long,
struct trapframe *);
void machine_check(unsigned long, struct trapframe *, unsigned long,
unsigned long);
uint64_t hwrpb_checksum(void);
void hwrpb_restart_setup(void);
void regdump(struct trapframe *);
void regtoframe(const struct reg *, struct trapframe *);
void savectx(struct pcb *);
void trap(unsigned long, unsigned long, unsigned long, unsigned long,
struct trapframe *);
void trap_init(void);
void enable_nsio_ide(bus_space_tag_t);
extern const pcu_ops_t fpu_ops;
void fpu_state_load(struct lwp *, u_int);
void fpu_state_save(struct lwp *);
void fpu_state_release(struct lwp *);
static __inline bool
fpu_valid_p(struct lwp *l)
{
return pcu_valid_p(&fpu_ops, l);
}
static __inline void
fpu_load(void)
{
pcu_load(&fpu_ops);
}
static __inline void
fpu_save(lwp_t *l)
{
pcu_save(&fpu_ops, l);
}
static __inline void
fpu_discard(lwp_t *l, bool valid_p)
{
pcu_discard(&fpu_ops, l, valid_p);
}
void alpha_patch(bool);
/* Multiprocessor glue; cpu.c */
struct cpu_info;
int cpu_iccb_send(long, const char *);
void cpu_iccb_receive(void);
void cpu_hatch(struct cpu_info *);
void cpu_halt(void) __attribute__((__noreturn__));
void cpu_spinup_trampoline(void); /* MAGIC */
void cpu_pause(unsigned long);
void cpu_resume(unsigned long);
#if defined(DDB)
void cpu_debug_dump(void);
#endif
/* IEEE and VAX FP completion */
void alpha_sts(int, s_float *); /* MAGIC */
void alpha_stt(int, t_float *); /* MAGIC */
void alpha_lds(int, s_float *); /* MAGIC */
void alpha_ldt(int, t_float *); /* MAGIC */
uint64_t alpha_read_fpcr(void); /* MAGIC */
void alpha_write_fpcr(uint64_t); /* MAGIC */
uint64_t alpha_read_fp_c(struct lwp *);
void alpha_write_fp_c(struct lwp *, uint64_t);
int alpha_fp_complete(u_long, u_long, struct lwp *, uint64_t *);
int alpha_fp_complete_at(u_long, struct lwp *, uint64_t *);
/* Security sensitive rate limiting printf */
void rlprintf(struct timeval *t, const char *fmt, ...);
#endif /* _KERNEL */
#endif /* _ALPHA_H_ */
|